CN112987466A - Novel optical imaging internal circulation heat dissipation single-chip LCD projector - Google Patents
Novel optical imaging internal circulation heat dissipation single-chip LCD projector Download PDFInfo
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- CN112987466A CN112987466A CN202110370562.5A CN202110370562A CN112987466A CN 112987466 A CN112987466 A CN 112987466A CN 202110370562 A CN202110370562 A CN 202110370562A CN 112987466 A CN112987466 A CN 112987466A
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- imaging
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- cooling
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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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Abstract
The invention relates to the technical field of single-chip LCD projectors, in particular to a novel optical imaging inner circulation heat dissipation single-chip LCD projector, which comprises a closed optical engine, a right upper cover, a left upper cover, a right lower cover and a left lower cover, wherein the left upper cover is arranged on one side of the right upper cover, the right lower cover is arranged below the right upper cover, and the left lower cover is arranged below the left upper cover, the light equalizing channels are arranged among the four cover bodies, the lens fixing support is arranged in the right upper cover, the lens connecting piece is sleeved in the lens fixing support, the lens knob is sleeved in the lens connecting piece, the novel imaging cooling unit is used for reducing the temperature generated when the liquid crystal screen penetrates through the high-intensity light source, the polarization heat dissipation glass unit and the brightening polarization heat insulation glass unit are used for reducing the temperature generated when the liquid crystal screen penetrates through the liquid crystal screen impedance of the high-intensity light source, the light source utilization rate is increased, and the service life of the LCD liquid crystal display unit is prolonged.
Description
Technical Field
The invention relates to the technical field of single-chip LCD projectors, in particular to a novel optical imaging internal circulation heat dissipation single-chip LCD projector.
Background
A projector, also called a projector, is a device that can project images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, etc. through different interfaces to play corresponding video signals.
Projectors are widely used in homes, offices, schools and entertainment places, and there are different imaging optical engine types such as LCoS, LCD, DLP and the like according to different working modes.
The conventional single-chip projection optical engine has a consistent defect of dust falling of an imaging channel in the use of market customers, and the aging time of an LED light source and an LCD screen is accelerated due to the poor heat dissipation system.
Disclosure of Invention
The present invention is directed to a novel single-chip LCD projector with optical imaging and internal circulation for heat dissipation, so as to solve the above problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a novel single-chip LCD projector with optical imaging internal circulation heat dissipation comprises a closed optical engine, a right upper cover, a left upper cover, a right lower cover and a left lower cover, wherein the left upper cover is arranged on one side of the right upper cover, the right lower cover is arranged below the right upper cover, the left lower cover is arranged below the left upper cover, a light homogenizing channel is arranged between the four cover bodies, a lens fixing support is arranged in the right upper cover, a lens connecting piece is sleeved in the lens fixing support, a lens knob is sleeved in the lens connecting piece, a lens is arranged in the lens knob, a heat dissipation sheet and a reflector are arranged between the right upper cover and the left upper cover, a reflector is arranged on one side of the right upper cover, a heat dissipation sheet is arranged on one side of the reflector, which is back to the right upper cover, an imaging cooling fixing frame is arranged above the light homogenizing channel, and an air blower is arranged on one side of the imaging cooling fixing frame, imaging fresnel lens, polarization cooling glass and LED display element are provided with to the top of formation of image cooling mount polarization cooling glass's top is provided with imaging fresnel lens, and polarization cooling glass's below is provided with LED display element, be provided with blast polarization insulating glass between formation of image cooling mount and the equal light passageway, be provided with fresnel lens in a poor light between blast polarization insulating glass and the equal light passageway, the below of equal light passageway is provided with the radiator subassembly, and is provided with the LED lamp plate between equal light passageway and the radiator subassembly, the both sides of radiator subassembly respectively are provided with an axial fan, the radiator subassembly sets up between right lower cover and left lower cover.
Preferably, the enclosed optical engine includes a backlight module unit, a development cooling module unit and an imaging module unit.
Preferably, the backlight module unit includes an LED light source module, a heat dissipation module, a rear fresnel lens, a diffuse reflection light channel, an axial flow heat dissipation fan, and a backlight unit casing to form the backlight module unit.
Preferably, the development cooling module unit comprises a polarized light heat dissipation glass unit, a liquid crystal display unit, a brightening polarized heat insulation glass unit, a blast cooling fan and an imaging cooling shell to form the development cooling module unit.
Preferably, the imaging module unit comprises an optical imaging lens, high-reflectivity glass, a front-end fresnel lens, a high-thermal-conductivity heat dissipation module, and an imaging shell to form the imaging module unit.
Preferably, the lens connecting piece and the lens fixing support are arranged in an integrally formed structure.
Preferably, the radiator assembly is a noise reduction type air-cooled radiator.
Preferably, the closed optical engine forms an imaging end dust-free closed internal circulation heat dissipation cooling air duct.
Preferably, the projector adopts an integral stacking mode to form the backlight module stacking and developing module stacking imaging module.
Compared with the prior art, the invention has the beneficial effects that:
1. the modular stack structure can reduce the manufacturing time, reduce the labor cost and increase the productivity;
2. the novel imaging cooling unit is used for reducing the temperature generated when the liquid crystal screen penetrates through a high-intensity light source, and the polarization heat dissipation glass unit and the brightening polarization heat insulation glass unit reduce the temperature generated when the liquid crystal screen penetrates through the liquid crystal screen impedance of the high-intensity light source, so that the utilization rate of the light source is increased, and the service life of the LCD liquid crystal display unit is prolonged;
3. the closed internal circulation heat dissipation and cooling air duct is used to eliminate the optical channel dust points caused by the environmental floating dust during the production and use of the client, and to eliminate the optical channel dust points caused by the environmental floating dust during the production and use of the client.
Drawings
FIG. 1 is a schematic diagram of an explosive structure according to the present invention;
FIG. 2 is a schematic view of a lens structure;
fig. 3 is a schematic diagram of a light-equalizing channel structure.
In the figure: the LED backlight module comprises a lens 1, a lens knob 2, a lens connecting piece 3, a lens fixing support 4, a right upper cover 5, a radiating fin 6, a reflector 7, a left upper cover 8, an imaging Fresnel lens 9, polarization cooling glass 10, an LED display unit 11, an imaging cooling fixing frame 12, brightening polarization heat insulation glass 13, a backlight Fresnel lens 14, a light equalizing channel 15, an LED lamp panel 16, a radiator assembly 17, an axial flow fan 18, a left lower cover 19, an air blower 20 and a right lower cover 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art without creative efforts based on the technical solutions of the present invention belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a novel optical imaging single-chip LCD projector with internal circulation heat dissipation, including a closed optical engine, a right upper cover 5, a left upper cover 8, a right lower cover 21 and a left lower cover 19, wherein the left upper cover 8 is disposed on one side of the right upper cover 5, the right lower cover 21 is disposed below the right upper cover 5, the left lower cover 19 is disposed below the left upper cover 8, a light-equalizing channel 15 is disposed between the four covers, and a lens fixing support 4 is disposed in the right upper cover 5. Lens connecting piece 3, camera lens fixed bolster 4 all adopt integrated into one piece's structure setting, can improve holistic stability, and the two all can adopt the thermosetting working of plastics.
The camera lens connecting piece 3 is sleeved in the camera lens fixing support 4, the camera lens knob 2 is sleeved in the camera lens connecting piece 3, the camera lens 1 is arranged in the camera lens knob 2, the radiating fin 6 and the reflecting mirror 7 are arranged between the right upper cover 5 and the left upper cover 8, the reflecting mirror 7 is arranged on one side of the right upper cover 5, the radiating fin 6 is arranged on one side of the reflecting mirror 7 back to the right upper cover 5, the radiating fin 6 plays a role in heat conduction and radiation of the whole body, and the camera lens belongs to an indispensable structure during actual use.
An imaging cooling fixing frame 12 is arranged above the light equalizing channel 15, an air blower 20 is arranged on one side of the imaging cooling fixing frame 12, an imaging Fresnel lens 9 is arranged above the polarization cooling glass 10 and the LED display unit 11, the polarization cooling glass 10 is arranged above the polarization cooling glass 10, the LED display unit 11 is arranged below the polarization cooling glass 10, a brightening polarization heat insulation glass 13 is arranged between the imaging cooling fixing frame 12 and the light equalizing channel 15, and a backlight Fresnel lens 14 is arranged between the brightening polarization heat insulation glass 13 and the light equalizing channel 15.
A radiator assembly 17 is arranged below the light-equalizing channel 15, an LED lamp panel 16 is arranged between the light-equalizing channel 15 and the radiator assembly 17, two axial fans 18 are respectively arranged on two sides of the radiator assembly 17, the radiator assembly 17 is arranged between a right lower cover 21 and a left lower cover 19, and the spatial position relationship of each part can be understood by referring to fig. 1.
The novel imaging cooling unit is used for reducing the temperature generated when the liquid crystal screen penetrates through a high-intensity light source, and the polarization heat dissipation glass unit and the brightening polarization heat insulation glass unit reduce the temperature generated when the liquid crystal screen penetrates through the liquid crystal screen impedance of the high-intensity light source, so that the utilization rate of the light source is increased, and the service life of the LCD liquid crystal display unit is prolonged;
the radiator assembly is an air-cooled radiator, and the low-frequency and low-noise air-cooled radiator is adopted, so that the use body feeling of the device can be improved to a great extent.
The closed optical engine comprises a backlight module unit, a development cooling module unit and an imaging module unit.
The closed optical engine forms a closed internal circulation heat dissipation and cooling air duct, so that the improvement of an optical structure, a heat dissipation system and a dustproof structure is realized.
The backlight module unit comprises an LED lamp source module, a heat dissipation module, a rear Fresnel lens, a diffuse reflection light channel, an axial flow heat dissipation fan and a backlight unit shell to form the backlight module unit.
The imaging cooling module unit comprises a polarized light heat dissipation glass unit, a liquid crystal display unit, a brightening polarized heat insulation glass unit, a blast cooling fan and an imaging cooling shell to form the imaging cooling module unit.
The imaging module unit comprises an optical imaging lens, high-reflectivity glass, a front Fresnel lens, a high-thermal-conductivity heat dissipation module and an imaging shell to form the imaging module unit.
The closed optical engine forms an imaging end dust-free closed internal circulation heat dissipation cooling air duct. The imaging end that forms does not advance the function of dirt, can improve the use quality of projecting apparatus to a great extent to reduce the cost that later stage need be maintained the projecting apparatus very much.
The projector adopts the integral stacking mode to form the backlight module stacking imaging module. The overall stacked assembly can improve the integrity of the device and reduce the probability of scattering internal parts.
The modular stacking structure can reduce the manufacturing working hours, reduce the labor cost and increase the productivity.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A novel optical imaging inner circulation heat dissipation single-chip LCD projector is characterized in that: comprises a closed optical engine, a right upper cover (5), a left upper cover (8), a right lower cover (21) and a left lower cover (19), wherein the left upper cover (8) is arranged on one side of the right upper cover (5), the right lower cover (21) is arranged below the right upper cover (5), the left lower cover (19) is arranged below the left upper cover (8), a light equalizing channel (15) is arranged among the four cover bodies, a lens fixing bracket (4) is arranged in the right upper cover (5), a lens connecting piece (3) is sleeved in the lens fixing bracket (4), a lens knob (2) is sleeved in the lens connecting piece (3), a lens (1) is arranged in the lens knob (2), a radiating fin (6) and a reflecting mirror (7) are arranged between the right upper cover (5) and the left upper cover (8), the reflecting mirror (7) is arranged on one side of the right upper cover (5), and the radiating fin (6) is arranged on one side of the reflecting mirror (7) back to the right upper cover (5), an imaging cooling fixing frame (12) is arranged above the light equalizing channel (15), an air blower (20) is arranged on one side of the imaging cooling fixing frame (12), an imaging Fresnel lens (9), polarization cooling glass (10) and an LED display unit (11) are arranged above the imaging cooling fixing frame (12), the imaging Fresnel lens (9) is arranged above the polarization cooling glass (10), the LED display unit (11) is arranged below the polarization cooling glass (10), brightening polarization heat-insulating glass (13) is arranged between the imaging cooling fixing frame (12) and the light equalizing channel (15), a backlight Fresnel lens (14) is arranged between the brightening polarization heat-insulating glass (13) and the light equalizing channel (15), a heat radiator assembly (17) is arranged below the light equalizing channel (15), and an LED lamp panel (16) is arranged between the light equalizing channel (15) and the heat radiator assembly (17), two sides of the radiator component (17) are respectively provided with an axial flow fan (18), and the radiator component (17) is arranged between the right lower cover (21) and the left lower cover (19).
2. The novel optical imaging internal circulation heat dissipation monolithic LCD projector as recited in claim 1, wherein: the closed optical engine comprises a backlight module unit, a development cooling module unit and an imaging module unit.
3. The novel optical imaging internal circulation heat dissipation monolithic LCD projector as recited in claim 2, wherein: the backlight module unit comprises an LED lamp source module, a heat dissipation module, a rear Fresnel lens, a diffuse reflection light channel, an axial flow heat dissipation fan and a backlight unit shell to form the backlight module unit.
4. The novel optical imaging internal circulation heat dissipation monolithic LCD projector as recited in claim 2, wherein: the imaging cooling module unit comprises a polarized light heat dissipation glass unit, a liquid crystal display unit, a brightening polarized heat insulation glass unit, a blast cooling fan and an imaging cooling shell to form the imaging cooling module unit.
5. The novel optical imaging internal circulation heat dissipation monolithic LCD projector as recited in claim 2, wherein: the imaging module unit comprises an optical imaging lens, high-reflectivity glass, a front-end Fresnel lens, a high-thermal-conductivity-coefficient heat dissipation module and an imaging shell to form the imaging module unit.
6. The novel optical imaging internal circulation heat dissipation monolithic LCD projector as recited in claim 1, wherein: the lens (1), the lens connecting piece (3) and the lens fixing support (4) are arranged in a sectional type projection imaging structure.
7. The novel optical imaging internal circulation heat dissipation monolithic LCD projector as recited in claim 1, wherein: the radiator assembly (17) and the axial flow fan (18) form a noise reduction type air cooling radiator.
8. The novel optical imaging internal circulation heat dissipation monolithic LCD projector as recited in claim 2, wherein: the closed optical engine is provided with an imaging end dust-free closed type internal circulation imaging heat dissipation cooling air channel formed by the imaging cooling module unit and the imaging module unit.
9. The novel optical imaging internal circulation heat dissipation monolithic LCD projector as recited in claim 8, wherein: the whole closed optical engine is formed by stacking a backlight module unit, a development cooling module unit and an imaging module unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110370562.5A CN112987466A (en) | 2021-04-07 | 2021-04-07 | Novel optical imaging internal circulation heat dissipation single-chip LCD projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110370562.5A CN112987466A (en) | 2021-04-07 | 2021-04-07 | Novel optical imaging internal circulation heat dissipation single-chip LCD projector |
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| Publication Number | Publication Date |
|---|---|
| CN112987466A true CN112987466A (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110370562.5A Pending CN112987466A (en) | 2021-04-07 | 2021-04-07 | Novel optical imaging internal circulation heat dissipation single-chip LCD projector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113900327A (en) * | 2021-10-20 | 2022-01-07 | 深圳怡趣科技有限公司 | Projector optical device box convenient to install |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5683160A (en) * | 1995-06-05 | 1997-11-04 | Elmo Co., Ltd. | Overhead projector with high illuminance lamp as light source |
| US20120063116A1 (en) * | 2010-03-15 | 2012-03-15 | Baxter Kevin C | Led fresnel lighting system including active cooling |
| CN210442628U (en) * | 2019-10-23 | 2020-05-01 | 深圳万拓科技创新有限公司 | Projection device |
| CN210605334U (en) * | 2019-10-29 | 2020-05-22 | 深圳市稻兴实业有限公司 | Optical engine for projector |
| CN212276202U (en) * | 2020-07-01 | 2021-01-01 | 高胜利 | Projector |
-
2021
- 2021-04-07 CN CN202110370562.5A patent/CN112987466A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5683160A (en) * | 1995-06-05 | 1997-11-04 | Elmo Co., Ltd. | Overhead projector with high illuminance lamp as light source |
| US20120063116A1 (en) * | 2010-03-15 | 2012-03-15 | Baxter Kevin C | Led fresnel lighting system including active cooling |
| CN210442628U (en) * | 2019-10-23 | 2020-05-01 | 深圳万拓科技创新有限公司 | Projection device |
| CN210605334U (en) * | 2019-10-29 | 2020-05-22 | 深圳市稻兴实业有限公司 | Optical engine for projector |
| CN212276202U (en) * | 2020-07-01 | 2021-01-01 | 高胜利 | Projector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113900327A (en) * | 2021-10-20 | 2022-01-07 | 深圳怡趣科技有限公司 | Projector optical device box convenient to install |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210618 |
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| RJ01 | Rejection of invention patent application after publication |