CN217060746U - Directional heat abstractor of LCD projecting apparatus - Google Patents
Directional heat abstractor of LCD projecting apparatus Download PDFInfo
- Publication number
- CN217060746U CN217060746U CN202220545878.3U CN202220545878U CN217060746U CN 217060746 U CN217060746 U CN 217060746U CN 202220545878 U CN202220545878 U CN 202220545878U CN 217060746 U CN217060746 U CN 217060746U
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- directional
- lcd
- dissipation device
- radiator
- 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.)
- Active
Links
Images
Landscapes
- Projection Apparatus (AREA)
Abstract
The utility model discloses a directional heat dissipation device of an LCD projector, wherein a directional heat dissipation device is fixedly arranged on a main body bracket of the directional heat dissipation device, a directional heat dissipation fan is arranged in a gap reserved in the main body bracket of the directional heat dissipation device, and a heat dissipation cover plate is fixedly arranged at the upper end of the directional heat dissipation fan of the directional heat dissipation device; a heat source radiator is also arranged in the directional heat dissipation device main body support, a gap is reserved between the directional heat dissipation device heat source radiator and the directional heat dissipation fan of the directional heat dissipation device, and one end of the directional heat dissipation device heat source radiator is fixedly connected with the light source heat dissipation substrate through a heat conduction rod; the directional heat dissipation device heat dissipation cover plate is provided with an auxiliary heat dissipation device, and the auxiliary heat dissipation device of the directional heat dissipation device is in adaptive connection with the projector body. The utility model discloses make the air inlet face relatively concentrate and the direction of air inlet also obtain the restraint, make the heat dissipation of projecting apparatus body more swift, compare prior art and effectively reduced radiator fan's quantity, reduced the manufacturing cost of projecting apparatus, reduced the space volume of projecting apparatus.
Description
Technical Field
The utility model relates to a projecting apparatus heat abstractor technical field especially relates to a directional heat abstractor of LCD projecting apparatus.
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 types such as CRT, LCD, DLP and the like according to different working modes.
The LCD projector utilizes the photoelectric effect of liquid crystal, namely the arrangement of liquid crystal molecules is changed under the action of an electric field to influence the light transmittance or the reflectivity of a liquid crystal unit, thereby influencing the optical property of the liquid crystal unit and generating images with different gray levels and colors; the highest supported resolution of LCD projector can be up to 1600X 1200(UXGA), its service time can be prolonged to above 8 hr, and it possesses high brightness and high fidelity image colour, and can conveniently access various video signals.
LCD projector can produce a large amount of heats in the use, and these heats can cause the influence to internal element if not in time dispel the heat, shorten LCD projector's life, and in prior art, carry out radiating mode to LCD projector and be fixed in near the heat source with the fan mostly, the air inlet face is more dispersed and does not retrain the direction of air inlet.
Therefore, the directional heat dissipation device for the LCD projector is designed, so that heat generated by the LCD projector in the using process is dissipated timely, and the LCD projector can be directionally dissipated, and the directional heat dissipation device becomes a further improvement direction.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a directional heat abstractor of LCD projecting apparatus.
The utility model provides a following technical scheme: a directional heat dissipation device of an LCD projector comprises a main body support, a directional heat dissipation device, an auxiliary heat dissipation device and a projector body, wherein the directional heat dissipation device is fixedly installed on the main body support and comprises a directional heat dissipation fan, a heat dissipation cover plate, a heat source radiator and a light source heat dissipation substrate; a heat source radiator is further arranged in the main body support, a gap is reserved between the heat source radiator and the directional heat dissipation fan, and one end of the heat source radiator is fixedly connected with the light source heat dissipation substrate through a heat conduction rod; and the heat dissipation cover plate is provided with an auxiliary heat dissipation device, and the auxiliary heat dissipation device is in adaptive connection with the projector body.
Preferably, the auxiliary heat dissipation device comprises an LCD air duct radiator, an internal circulation heat dissipation fan, a heat dissipation air duct, a heat dissipation rotary approach and an air guide shell, the internal circulation heat dissipation fan is arranged on the inner side of the LCD air duct radiator, the internal circulation heat dissipation fan is arranged in the projector body, the upper end of the internal circulation heat dissipation fan is communicated with the heat dissipation air duct through the air guide shell, and one end of the heat dissipation air duct is communicated with the heat dissipation rotary approach.
Preferably, the projector body comprises a projection housing, a light source assembly, a projection display module, a lens assembly, a lithium battery driving module and an image decoding board card, the upper end of the main body support is fixedly connected with the lower end of the projection housing, an installation cavity is arranged in the projection housing, the light source assembly and the projection display module are arranged in the installation cavity, an image reflector is obliquely arranged above the projection display module, the reflection end of the influence reflector is matched with the lens assembly, and the outer side of the lens assembly protrudes out of the outer surface of the projection housing; a battery driving module is arranged on one side of the projection shell opposite to the lens component; and an image decoding board card is fixedly arranged at the upper end of the projection shell.
Preferably, the periphery of the light source heat dissipation substrate is embedded on the projection shell, and the inner side of the light source heat dissipation substrate is in adaptive connection with the light source assembly.
Preferably, the lower end of the projection shell is provided with an opening, an internal circulation heat dissipation fan is installed in the opening, an air port of the internal circulation heat dissipation fan is communicated and sealed with the lower portion of the LCD air duct radiator through the opening, the lower end of the LCD air duct radiator is connected with the heat dissipation cover plate, and the upper end of the LCD air duct radiator is attached to the back side of the projection shell.
Preferably, a first boss is arranged on one side of the main body support, a second boss is arranged on one side of the heat dissipation cover plate, and the first boss and the second boss are connected in a matched mode and jointly wrap the outer surface of the heat source radiator.
Preferably, the projection display module is arranged at the upper end of the heat dissipation air duct.
Preferably, projection shell upper portion is equipped with the slope mesa, there is lithium cell drive module on the slope mesa through mounting fixed mounting.
Preferably, a lens focusing stroke monitoring mechanism is arranged at the lower end of the lens component.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model discloses a set up directional heat abstractor and auxiliary heat abstractor and cooperate, the heat that the different positions of projecting apparatus body distribute in the use is all dredged the heat dissipation in an orderly manner, only use directional heat dissipation fan and inner loop heat dissipation fan can realize the heat dissipation to whole projecting apparatus body, make the air inlet face relatively concentrate and the direction of air inlet also obtain the restraint, make things convenient for the heat dissipation of projecting apparatus body more swift, compared with the prior art and effectively reduced the quantity of heat dissipation fan, reduced the manufacturing cost of projecting apparatus, reduced the space volume of projecting apparatus;
(2) the utility model has the advantages that the directional heat dissipation device is arranged at the bottom, the directional heat dissipation fan blows the heat of the heat source radiator and then performs the blowing action to dissipate the heat of the heat source radiator, the heat of the heat source radiator is brought away by flowing, the bottom of the internal circulation heat dissipation fan is dissipated by the heat source radiator, the internal circulation heat dissipation fan blows the heat dissipation air channel and can also effectively dissipate the heat of the light source component, the air in the heat dissipation air channel dissipates the heat of the upper part of the installation cavity through the heat dissipation rotary approach, namely, the heat is dissipated to the inner sides of the projection display module and the lens component, the air fluidity in the installation cavity is higher, the heat dissipation efficiency is higher, the better heat dissipation is facilitated for the projector body needing heat dissipation, the integral sealing is arranged in the projector body, the external dust is prevented from falling into the projector body to influence the use effect, and the projector can stably run in the use process, the projector is more beneficial to protecting the elements in the projector body and prolonging the service life of the projector.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the structure of the present invention;
fig. 3 is a cross-sectional view of the present invention;
fig. 4 is a schematic structural view of the directional heat dissipation device of the present invention;
fig. 5 is a rear view of fig. 1 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
As shown in fig. 1 to 5, an LCD projector directional heat dissipation device includes a main body support 1, a directional heat dissipation device 2, a directional heat dissipation fan 201, a heat dissipation cover plate 202, a heat source heat sink 203, a light source heat dissipation substrate 204, a heat conduction rod 205, an auxiliary heat dissipation device 3, an LCD air duct heat sink 301, an internal circulation heat dissipation fan 302, a heat dissipation air duct 303, a heat dissipation rotary guide duct 304, an air guide casing 305, a projector body 4, a projection housing 401, a light source assembly 402, a projection display module 403, a lens assembly 404, a lithium battery driving module 405, an image decoding board card 406, an image mirror 407, a first boss 5, a second boss 6, a fixing member 7, and a lens focusing stroke monitoring mechanism 8.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
The directional heat dissipation device 2 is fixedly mounted on the main body support 1, the directional heat dissipation device 2 comprises a directional heat dissipation fan 201, a heat dissipation cover plate 202, a heat source radiator 203 and a light source heat dissipation substrate 204, the directional heat dissipation fan 201 is mounted in the main body support 1 in a clearance mode, and the heat dissipation cover plate 202 is fixedly mounted at the upper end of the directional heat dissipation fan 201; a heat source radiator 203 is further arranged in the main body support 1, a gap is reserved between the heat source radiator 203 and the directional heat dissipation fan 201, and one end of the heat source radiator 203 is fixedly connected with a light source heat dissipation substrate 204 through a heat conduction rod 205; an auxiliary heat dissipation device 3 is arranged on the heat dissipation cover plate 202, and the auxiliary heat dissipation device 3 is connected with the projector body 4 in an adaptive manner. Specifically, the auxiliary heat dissipation device 3 includes an LCD air duct heat sink 301, an internal circulation heat dissipation fan 302, a heat dissipation air duct 303, a heat dissipation rotary approach 304 and an air guide shell 305, the internal circulation heat dissipation fan 302 is disposed inside the LCD air duct heat sink 301, the internal circulation heat dissipation fan 302 is disposed inside the projector body 4, and the upper end of the internal circulation heat dissipation fan 302 is communicated with the heat dissipation air duct 303 through the air guide shell 305; specifically, a heat dissipation air duct 303 is further disposed in the projector body 4, and one end of the heat dissipation air duct 303 is communicated with a heat dissipation rotary approach 304, so as to facilitate quick heat dissipation of the inner circulation heat dissipation fan 302 to the inside of the projector body. In this embodiment, an opening is formed in the lower end of the projection housing 401, the internal circulation heat dissipation fan 302 is installed in the opening, an air port of the internal circulation heat dissipation fan 302 is communicated and sealed with the lower portion of the LCD air duct heat sink 301 through the opening, the lower end of the LCD air duct heat sink 301 is connected with the heat dissipation cover plate 202, and the upper end of the LCD air duct heat sink 301 is attached to the back side of the projection housing 401, so that the projector body 4 can be circularly cooled.
A first boss 5 is arranged on one side of the main body support 1, a second boss 6 is arranged on one side of the heat dissipation cover plate 202, and the first boss 5 and the second boss 6 are connected in a matched mode and cover the outer surface of the heat source radiator 203 together.
The projector body 4 comprises a projection shell 401, a light source assembly 402, a projection display module 403, a lens assembly 404, a lithium battery driving module 405 and an image decoding board card 406, the upper end of a main body support 1 is fixedly connected with the lower end of the projection shell 401, an installation cavity is arranged in the projection shell 401, the light source assembly 402 and the projection display module 403 are arranged in the installation cavity, an image reflector 407 is obliquely arranged above the projection display module 403, the reflecting end of the image reflector is matched with the lens assembly 404, and the outer side of the lens assembly 404 protrudes out of the outer surface of the projection shell 401; a battery driving module is arranged on one side of the projection shell 401 opposite to the lens component 404; an image decoding board card 406 is fixedly arranged at the upper end of the projection shell 401. The periphery of the light source heat dissipation substrate 204 is embedded in the projection housing 401, and the inner side of the light source heat dissipation substrate 204 is connected to the light source assembly 402. The projection display module 403 is disposed at the upper end of the heat dissipation air duct 303 for facilitating heat dissipation.
The lower end of the lens component 404 is provided with a lens focusing stroke monitoring mechanism 8, which is convenient for the lens component 404 to perform accurate focusing operation in a projection range.
The utility model discloses a theory of operation does: the directional heat dissipation fan 201 blows the heat of the heat source radiator 203 and then performs blowing action to dissipate the heat of the heat source radiator 203, the heat of the heat source radiator 203 is taken away in a flowing manner, the bottom of the internal circulation heat dissipation fan 302 is dissipated by the heat source radiator 203, the internal circulation heat dissipation fan 302 blows to the heat dissipation air duct 303 and can also effectively dissipate the heat of the light source assembly 402, the air in the heat dissipation air duct 403 dissipates the heat of the upper part of the installation cavity through the heat dissipation rotary guide duct 304, namely, the inner sides of the projection display module 403 and the lens assembly 404 are dissipated, the air fluidity in the installation cavity is higher, the heat dissipation efficiency is higher, the projector body 4 needing heat dissipation is favorably and better dissipated, the interior of the projector body 4 is integrally sealed, external dust is prevented from falling into the projector body 4 to influence the use effect, the projector runs stably in the use process, and the protection of elements in the projector body 4 is more favorable, the service life of the projector is prolonged.
The utility model discloses a set up directional heat abstractor 2 and supplementary heat abstractor 3 and cooperate, the heat that the different positions of projecting apparatus body 4 gived off in the use is all dredged the heat dissipation in an orderly manner, only use directional cooling fan 201 and inner loop cooling fan 302 to realize the heat dissipation to whole projecting apparatus body 4, make the air inlet face relatively concentrate and the direction of air inlet also obtain the restraint, make projecting apparatus body 4's heat dissipation more swift, compare prior art and effectively reduced cooling fan's quantity, the manufacturing cost of projecting apparatus has been reduced, the space volume of projecting apparatus body 4 has been reduced.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the right of the present invention should not be limited thereby, and therefore, modifications, equivalent variations, improvements, etc. made by the claims of the present invention are still included in the scope of the present invention.
Claims (9)
1. The directional heat dissipation device of the LCD projector is characterized in that: the projector comprises a main body support (1), a directional heat dissipation device (2), an auxiliary heat dissipation device (3) and a projector body (4), wherein the directional heat dissipation device (2) is fixedly installed on the main body support (1), the directional heat dissipation device (2) comprises a directional heat dissipation fan (201), a heat dissipation cover plate (202), a heat source radiator (203) and a light source heat dissipation substrate (204), the directional heat dissipation fan (201) is installed in the main body support (1) in a clearance mode, and the heat dissipation cover plate (202) is fixedly arranged at the upper end of the directional heat dissipation fan (201); a heat source radiator (203) is further arranged in the main body support (1), a gap is reserved between the heat source radiator (203) and the directional heat dissipation fan (201), and one end of the heat source radiator (203) is fixedly connected with a light source heat dissipation substrate (204) through a heat conduction rod (205); and an auxiliary heat dissipation device (3) is arranged on the heat dissipation cover plate (202), and the auxiliary heat dissipation device (3) is in adaptive connection with the projector body (4).
2. The LCD projector directional heat sink of claim 1, wherein: the auxiliary heat dissipation device (3) comprises an LCD air duct radiator (301), an internal circulation heat dissipation fan (302), a heat dissipation air duct (303), a heat dissipation rotary approach (304) and an air guide shell (305), wherein the internal circulation heat dissipation fan (302) is arranged on the inner side of the LCD air duct radiator (301), the internal circulation heat dissipation fan (302) is arranged in the projector body (4), the upper end of the internal circulation heat dissipation fan (302) is communicated with the heat dissipation air duct (303) through the air guide shell (305), and one end of the heat dissipation air duct (303) is communicated with the heat dissipation rotary approach (304).
3. An LCD projector directional heat sink according to claim 2, wherein: the projector body (4) comprises a projection shell (401), a light source assembly (402), a projection display module (403), a lens assembly (404), a lithium battery driving module (405) and an image decoding board card (406), the upper end of the main body support (1) is fixedly connected with the lower end of the projection shell (401), an installation cavity is arranged in the projection shell (401), the light source assembly (402) and the projection display module (403) are arranged in the installation cavity, an image reflector (407) is obliquely arranged above the projection display module (403), the reflecting end of the image reflector is matched with the lens assembly (404), and the outer side of the lens assembly (404) protrudes out of the outer surface of the projection shell (401); a battery driving module is arranged on one side of the projection shell (401) opposite to the lens component (404); an image decoding board card (406) is fixedly arranged at the upper end of the projection shell (401).
4. A directional heat sink for LCD projectors according to claim 3, wherein: the periphery of the light source heat dissipation substrate (204) is embedded on the projection shell (401), and the inner side of the light source heat dissipation substrate (204) is in adaptive connection with the light source assembly (402).
5. An LCD projector directional heat sink according to claim 3 or 4, wherein: projection shell (401) lower extreme is equipped with the opening, install inner loop cooling fan (302) in the opening, the wind gap department of inner loop cooling fan (302) passes through the opening with LCD wind channel radiator (301) lower part intercommunication is sealed, the lower extreme of LCD wind channel radiator (301) with radiating cover plate (202) are connected, subsides are located on LCD wind channel radiator (301) projection shell (401) dorsal part.
6. An LCD projector directional heat sink according to claim 1 or 2, wherein: the heat source radiator is characterized in that a first boss (5) is arranged on one side of the main body support (1), a second boss (6) is arranged on one side of the heat dissipation cover plate (202), and the first boss (5) and the second boss (6) are connected in an adaptive mode and wrap the outer surface of the heat source radiator (203) together.
7. A directional heat sink for LCD projectors according to claim 3, wherein: the projection display module (403) is arranged at the upper end of the heat dissipation air duct (303).
8. A directional heat sink for LCD projectors according to claim 3, wherein: projection shell (401) upper portion is equipped with the slope mesa, there is lithium cell drive module (405) through mounting (7) fixed mounting on the slope mesa.
9. An LCD projector directional heat sink according to claim 3 or 4, wherein: and a lens focusing stroke monitoring mechanism (8) is arranged at the lower end of the lens component (404).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220545878.3U CN217060746U (en) | 2022-03-14 | 2022-03-14 | Directional heat abstractor of LCD projecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220545878.3U CN217060746U (en) | 2022-03-14 | 2022-03-14 | Directional heat abstractor of LCD projecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217060746U true CN217060746U (en) | 2022-07-26 |
Family
ID=82489670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220545878.3U Active CN217060746U (en) | 2022-03-14 | 2022-03-14 | Directional heat abstractor of LCD projecting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217060746U (en) |
-
2022
- 2022-03-14 CN CN202220545878.3U patent/CN217060746U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9671681B2 (en) | Image projection apparatus | |
| JP4901595B2 (en) | Projection display | |
| JP4985865B1 (en) | Image display device | |
| KR100691056B1 (en) | Optical device and rear projector | |
| US7845804B2 (en) | Projection type image display apparatus | |
| JP2012181386A (en) | Reflection type optical element cooling device and reflection type optical element unit | |
| US20080094581A1 (en) | Projection type image display apparatus | |
| US20040257491A1 (en) | Cooling device and optical device and projector having the cooling device | |
| US7458697B2 (en) | Lamp cooling device and rear projection display apparatus | |
| US7990708B2 (en) | Blower for electronic device and electronic device | |
| JP2007219447A (en) | Rear projection display device | |
| JP3543584B2 (en) | Method for manufacturing optical unit and method for manufacturing projection display device | |
| CN217060746U (en) | Directional heat abstractor of LCD projecting apparatus | |
| CN209356835U (en) | Electronic equipment | |
| CN114527621A (en) | Directional heat abstractor of LCD projecting apparatus | |
| TW200422767A (en) | Cased electro-optical apparatus, projection display apparatus, and case | |
| JP4761004B1 (en) | Image display device | |
| JP4466147B2 (en) | Optical apparatus and projector | |
| CN219799963U (en) | Projector optical machine and projector | |
| CN217879957U (en) | Improved turbine fan for projector and projector | |
| CN220188845U (en) | Off-axis projector with sealing and heat dissipation functions | |
| JP3705287B2 (en) | Optical unit and projection display device | |
| CN216531508U (en) | Waterproof fog high definition POE camera | |
| CN220105503U (en) | LCD projector semi-closed type optical machine | |
| JP2011002612A (en) | Projector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |