CN211427021U - Projector with dust removal function - Google Patents
Projector with dust removal function Download PDFInfo
- Publication number
- CN211427021U CN211427021U CN201922324573.0U CN201922324573U CN211427021U CN 211427021 U CN211427021 U CN 211427021U CN 201922324573 U CN201922324573 U CN 201922324573U CN 211427021 U CN211427021 U CN 211427021U
- Authority
- CN
- China
- Prior art keywords
- air
- liquid crystal
- disposed
- crystal module
- projector
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Projection Apparatus (AREA)
Abstract
The utility model provides a projector with dust removal function, it includes the casing, has the installation cavity in the casing, be equipped with on the casing with the air intake and the air outlet of installation cavity intercommunication, be equipped with the wind channel in the installation cavity, be used for with the air intake fan in the air suction wind channel of air intake department and be used for blowing the air in the wind channel to the air-out fan of air outlet, the bottom surface upper berth in wind channel is equipped with the dust adsorbed layer that is used for adsorbing the dust. The utility model discloses a lay the dust adsorbed layer on the bottom surface in wind channel, adsorb the dust in the air in the wind channel of flowing through the dust adsorbed layer, compare with prior art, the dust is difficult for adhering to on the inside component of projector, effectively reduces the dust adhesion volume on the inside component of projector.
Description
Technical Field
The utility model relates to an electron device, especially a projector with dust removal function.
Background
Generally, a fan is provided in a projector to blow outside air into the projector and then blow the air out of the projector, so as to cool and dissipate heat of components inside the projector through the flowing air.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a projector with dust removal function to solve the problem that the dust that prior art exists falls on the inside component of projector very easily.
In order to achieve the above object, the utility model provides a projector with dust removal function, it includes the casing, the installation cavity has in the casing, be equipped with on the casing with air intake and the air outlet of installation cavity intercommunication, be equipped with the wind channel in the installation cavity, be used for with the air suction of air intake department air inlet fan in the wind channel and be used for with air in the wind channel blows to the air-out fan of air outlet, the bottom surface upper berth in wind channel is equipped with the dust adsorbed layer that is used for adsorbing the dust.
The projector with the dust removing function as described above, wherein the dust adsorbing layer is an adhesive layer.
The projector with the dust removing function as described above, wherein the adhesive layer is a non-drying adhesive layer.
The projector with the dust removal function is characterized in that a liquid crystal module and a glass spacer are arranged in the installation cavity, the liquid crystal module and the glass spacer are opposite and arranged at intervals, a rear polarizer is attached to the side surface, facing the liquid crystal module, of the glass spacer, the liquid crystal module and the rear polarizer form an LCD (liquid crystal display) screen, the air duct penetrates through the space between the liquid crystal module and the glass spacer, and air entering the air duct flows through the liquid crystal module and the rear polarizer and cools the liquid crystal module and the rear polarizer.
The projector with the dust removal function is characterized in that a light source module, a front lens, a rear lens and a reflector are further arranged in the installation cavity, the shell is provided with a lens, the light source module is located on one side, back to the liquid crystal module, of the glass spacer, the rear lens is located between the glass spacer and the light source module, the reflector is located on one side, back to the glass spacer, of the liquid crystal module, the front lens is located between the reflector and the liquid crystal module, and the reflector is inclined by 45 degrees relative to the lens and the front lens.
The projector with the dust removal function as described above, wherein a reflection cover is further disposed in the mounting cavity, the reflection cover covers the light source module, and an opening of the reflection cover faces the rear lens.
The projector with the dust removal function as described above, wherein the front lens and the rear lens are both fresnel lenses.
The projector with the dust removal function, wherein the liquid crystal module and the air inlet fan are arranged at intervals, the glass spacer and the air inlet fan are arranged at intervals, baffle plates are arranged between the liquid crystal module and the air inlet fan and between the glass spacer and the air inlet fan, and the baffle plates, the liquid crystal module and the glass spacer form a side wall plate of the air channel.
The projector with the dust removal function is characterized in that a radiator is further arranged in the mounting cavity, the radiator is arranged at the air outlet and faces the radiator, the air outlet fan is spaced from the radiator, a channel is arranged between the air outlet fan and the radiator, and the air outlet fan can blow air in the air channel to the radiator through the channel.
The projector with the dust removal function comprises a shell, wherein the shell comprises a front side plate, a rear side plate, a left side plate and a right side plate, the front side plate is opposite to the rear side plate, the left side plate is opposite to the right side plate, an air inlet is formed in the rear side plate, an air inlet fan is located on the inner side of the rear side plate and close to the air inlet, an air outlet is formed in the right side plate, an air outlet fan is located on the inner side of the front side plate and faces the air outlet, and an air channel is formed by extending the air inlet fan to the air outlet fan.
The utility model discloses a projector with dust removal function's characteristics and advantage are:
1. compared with the prior art, the dust adsorption layer adsorbs dust in air flowing through the air duct, and the dust is not easy to attach to elements inside the projector, so that the dust attachment amount on the elements inside the projector is effectively reduced;
2. the utility model discloses through pasting the back polaroid on the glass spacer, make back polaroid and liquid crystal module separation, therefore the heat that the back polaroid produced can not transmit the liquid crystal module, can reduce the temperature rise of liquid crystal module compared with prior art, thereby reduce the temperature rise of whole LCD screen;
3. the utility model discloses a regard liquid crystal module and glass spacer as the side wall board in wind channel for the air in entering wind channel blows through from the surface of liquid crystal module and glass spacer, directly takes away the heat that the back polaroid on liquid crystal module and the glass spacer produced, and the radiating effect is good, simultaneously, because the dust adsorbed layer has been laid to wind channel inside, the dust is difficult for falling on the back polaroid on liquid crystal module and the glass spacer, consequently both improved the radiating effect, has reduced the attached probability of dust on the LCD liquid crystal screen again.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
fig. 1 is a schematic diagram of an internal structure of a projector with a dust removal function according to an embodiment of the present invention.
Main element number description:
1. a housing; 2. an air inlet; 3. an air outlet; 4. an air duct; 5. an air intake fan; 6. an air outlet fan; 7. a dust-adsorbing layer; 8. a liquid crystal module; 9. a glass spacer; 10. a front lens; 11. a rear lens; 12. a mirror; 13. a lens; 14. a reflector; 15. a baffle plate; 16. a heat sink; 17. a channel; 18. a base plate; 19. a front side plate; 20. a rear side plate; 21. a left side plate; 22. and a right side plate.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings. Where adjective or adverbial modifiers "center," "front" and "back," "left" and "right," "top" and "bottom," "inner" and "outer" are used merely to facilitate relative reference between groups of terms, and do not describe any particular directional limitation on the modified terms.
As shown in fig. 1, the utility model provides a projector with dust removal function, it includes casing 1, the installation cavity has in casing 1, be equipped with air intake 2 and air outlet 3 with the installation cavity intercommunication on casing 1, be equipped with the wind channel 4 that supplies the circulation of air in the installation cavity, an air intake fan 5 for in the air suction wind channel 4 with air intake 2 department, and be used for blowing the air in wind channel 4 to the air-out fan 6 of air outlet 3, the bottom surface upper berth in wind channel 4 is equipped with the dust adsorbed layer 7 that is used for adsorbing the dust, dust in the air in wind channel 4 can be adsorbed to dust adsorbed layer 7 and flows through, make the dust be difficult for on the inside component of projector, effectively reduce the dust adhesion volume on the projector internal element.
Further, the air inlet fan 5 and the air outlet fan 6 are respectively located at two opposite ends of the air duct 4, so that air can pass through the air duct 4.
In one embodiment, the dust adsorbing layer 7 is an adhesive layer to adsorb dust through the adhesive layer. However, the present invention is not limited to this, and the dust adsorbing layer 7 may also be another dust adsorbing layer capable of adsorbing dust, such as dust removing paper.
Furthermore, the adhesive layer is a non-drying adhesive layer to adsorb dust through the non-drying adhesive layer, and the adhesive layer is simple in structure and low in cost.
As shown in fig. 1, in an embodiment, the projector is an LCD projector, a liquid crystal module 8 and a glass spacer 9 are disposed in the installation cavity, the liquid crystal module 8 and the glass spacer 9 are disposed opposite to each other at an interval, a rear polarizer is attached to a side surface of the glass spacer 9 facing the liquid crystal module 8, the liquid crystal module 8 and the rear polarizer form an LCD liquid crystal screen, the air duct 4 passes through between the liquid crystal module 8 and the glass spacer 9, or the liquid crystal module 8 and the glass spacer 9 serve as a side wall plate of the air duct, and air flowing into the air duct 4 passes through the liquid crystal module 8 and the rear polarizer and cools the liquid crystal module 8 and the rear polarizer.
In the existing LCD projector, the rear polarizer of the LCD liquid crystal screen is attached to the liquid crystal module, when in use, the polarizer absorbs polarized light to cause the temperature of the polarizer to rise, and the temperature of the polarizer is directly transmitted to the liquid crystal module, so that the temperature of the whole LCD liquid crystal screen rises, and heat dissipation is not facilitated;
in addition, the liquid crystal module 8 and the glass spacer 9 are used as side wall plates of the air duct, so that air entering the air duct 4 is blown through the surfaces of the liquid crystal module 8 and the glass spacer 9, heat generated by rear polarizers on the liquid crystal module 8 and the glass spacer 9 is directly taken away, and the heat dissipation effect is better;
in addition, because the dust adsorption layer 7 is laid in the air duct 4, dust is not easy to fall on the rear polarizer on the liquid crystal module 8 and the glass spacer 9, so that the heat dissipation effect is improved, and the attachment probability of the dust on the LCD screen is reduced.
The LCD panel in this embodiment has the same structure as the conventional LCD panel except that the rear polarizer is separated from the liquid crystal module 8. Specifically, the liquid crystal module 8 includes a light transmitting component containing a liquid crystal material and a front polarizer, the light transmitting component is disposed facing the rear polarizer, and the front polarizer is attached to a side of the light transmitting component facing away from the rear polarizer.
The glass spacers 9 in this embodiment serve both as carriers for the rear polarizers and as side wall panels for the air ducts 4.
Further, the liquid crystal module 8 and the glass spacer 9 are provided in the middle of the installation chamber, and thus the air duct 4 also passes through the middle of the installation chamber.
As shown in fig. 1, in one embodiment, a light source module (not shown), a front lens 10, a rear lens 11 and a reflector 12 are further disposed in the mounting cavity, a lens 13 is disposed on the housing 1, the light source module is disposed on a side of the glass spacer 9 facing away from the liquid crystal module 8, for example, the light source module is an LED lamp, the rear lens 11 is disposed between the glass spacer 9 and the light source module, that is, the rear lens 11 is disposed on a side of the glass spacer 9 facing away from the liquid crystal module 8, the rear lens 11 is spaced apart from the glass spacer 9, the reflector 12 is disposed on a side of the liquid crystal module 8 facing away from the glass spacer 9, the front lens 10 is disposed between the reflector 12 and the liquid crystal module 8, that is, the front lens 10 is disposed on a side of the liquid crystal module 8 facing away from the glass spacer 9, the front lens 10 is spaced apart from the liquid crystal module 8, and the reflector 12.
When the projection type liquid crystal display screen is used, light emitted by the light source module sequentially passes through the rear lens 11, the glass spacer 9, the rear polarizer, the liquid crystal module 8 and the front lens 10 to form a projection light path, and then is projected onto the screen through the lens 13.
As shown in fig. 1, a reflective cover 14 is further disposed in the mounting cavity, the reflective cover 14 covers the light source module, one end of the reflective cover 14 is open, and the opening of the reflective cover 14 faces the rear lens 11, so that light emitted from the light source module can irradiate on the rear lens 11.
Further, the front lens 10 and the rear lens 11 are both fresnel lenses.
As shown in fig. 1, in one embodiment, the liquid crystal module 8 and the intake fan 5 are disposed at an interval, the glass spacer 9 and the intake fan 5 are disposed at an interval, baffles 15 are disposed between the liquid crystal module 8 and the intake fan 5 and between the glass spacer 9 and the intake fan 5, these baffles 15, the liquid crystal module 8 and the glass spacer 9 together form a side wall plate of the air duct 4, for example, the liquid crystal module 8 and the baffle between the liquid crystal module 8 and the intake fan 5 form a left side wall plate of the air duct 4, and the glass spacer 9 and the baffle between the glass spacer 9 and the intake fan 5 form a right side wall plate of the air duct 4.
As shown in fig. 1, in an embodiment, a heat sink 16 is further disposed in the mounting cavity, the heat sink 16 is disposed at the air outlet 3, the air outlet fan 6 faces the heat sink 16, the air outlet fan 6 is spaced apart from the heat sink 16, a channel 17 is disposed between the air outlet fan 6 and the heat sink 16, the air outlet fan 6 can blow air in the air duct 4 to the heat sink 16 through the channel 17, and then the heat is timely exhausted out of the housing 1 by the heat sink 16.
As shown in fig. 1, in one embodiment, the casing 1 includes a bottom plate 18, a top plate (not shown), a front plate 19, a rear plate 20, a left plate 21 and a right plate 22, the front plate 19, the rear plate 20, the left plate 21 and the right plate 22 enclose a side wall plate of the casing 1, the bottom plate 18 and the top plate are respectively disposed on the top and the bottom of the side wall plate to form the casing 1 with a substantially rectangular parallelepiped shape, the bottom plate 18 and the top plate are opposite, the front plate 19 and the rear plate 20 are opposite, the left plate 21 and the right plate 22 are opposite, the air inlet 2 is disposed on the rear plate 20, the air inlet fan 5 is disposed inside the rear plate 20 and adjacent to the air inlet 2, the air outlet 3 is disposed on the right plate 22, the air outlet fan 6 is disposed inside the front plate 19 and facing the air outlet 3, the air duct 4 extends from the air inlet fan 5 to the air outlet fan 6, or the air duct 4 extends from, the radiator 16 is positioned on the inner side of the right side plate 22 and is adjacent to the air outlet 3, the side wall plate of the air duct 4 is fixed on the bottom plate 18 of the shell 1, the top plate of the shell 1 covers the side wall plate of the air duct 4, the inner surface of the bottom plate 18 serves as the bottom surface of the air duct 4, and the dust adsorption layer 7 is paved on the inner surface of the bottom plate 18.
The air duct 4 is a substantially straight duct, and has a smaller wind resistance and is advantageous for heat dissipation compared with a U-shaped duct commonly used in the prior art.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention. Moreover, it should be noted that the components of the present invention are not limited to the above-mentioned integral application, and various technical features described in the present invention can be selected to be used alone or in combination according to actual needs, so that the present invention naturally covers other combinations and specific applications related to the invention of the present invention.
Claims (10)
1. The utility model provides a projector with dust removal function, its characterized in that, projector with dust removal function includes the casing, the installation cavity has in the casing, be equipped with on the casing with air intake and the air outlet of installation cavity intercommunication, be equipped with the wind channel in the installation cavity, be used for with the air suction of air intake department air inlet fan in the wind channel and be used for with air in the wind channel blows to the air-out fan of air outlet, the bottom surface upper berth in wind channel is equipped with the dust adsorbed layer that is used for adsorbing the dust.
2. The projector according to claim 1, wherein the dust-adsorbing layer is an adhesive layer.
3. The projector according to claim 2, wherein the adhesive layer is a non-drying adhesive layer.
4. The projector according to claim 1, wherein a liquid crystal module and a glass spacer are disposed in the mounting cavity, the liquid crystal module and the glass spacer are disposed opposite to each other at an interval, a rear polarizer is attached to a side surface of the glass spacer facing the liquid crystal module, the liquid crystal module and the rear polarizer form an LCD liquid crystal panel, the air duct passes through a space between the liquid crystal module and the glass spacer, and air entering the air duct flows through the liquid crystal module and the rear polarizer and cools the liquid crystal module and the rear polarizer.
5. The projector with dust removing function according to claim 4, wherein a light source module, a front lens, a rear lens and a reflector are further disposed in the mounting chamber, a lens is disposed on the housing, the light source module is disposed on a side of the glass spacer facing away from the liquid crystal module, the rear lens is disposed between the glass spacer and the light source module, the reflector is disposed on a side of the liquid crystal module facing away from the glass spacer, the front lens is disposed between the reflector and the liquid crystal module, and the reflector is inclined by 45 ° with respect to the lens and the front lens.
6. The projector with dust removing function as claimed in claim 5, wherein a reflective cover is further disposed in the mounting chamber, the reflective cover is disposed outside the light source module, and an opening of the reflective cover faces the rear lens.
7. The projector with dust removing function as claimed in claim 5, wherein the front lens and the rear lens are both Fresnel lenses.
8. The projector according to claim 4, wherein the liquid crystal module and the air inlet fan are disposed at an interval, the glass spacer and the air inlet fan are disposed at an interval, a baffle is disposed between the liquid crystal module and the air inlet fan and between the glass spacer and the air inlet fan, and the baffle, the liquid crystal module and the glass spacer constitute a side wall plate of the air duct.
9. The projector as claimed in any one of claims 1 to 8, wherein a heat sink is further disposed in the mounting cavity, the heat sink is disposed at the air outlet, the air outlet fan faces the heat sink, the air outlet fan is spaced from the heat sink, a channel is disposed between the air outlet fan and the heat sink, and the air outlet fan can blow air in the air duct toward the heat sink through the channel.
10. The projector according to any one of claims 1 to 8, wherein the housing includes a front plate, a rear plate, a left plate and a right plate, the front plate is opposite to the rear plate, the left plate is opposite to the right plate, the air inlet is disposed on the rear plate, the air inlet fan is disposed inside the rear plate and adjacent to the air inlet, the air outlet is disposed on the right plate, the air outlet fan is disposed inside the front plate and faces the air outlet, and the air duct extends from the air inlet fan to the air outlet fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922324573.0U CN211427021U (en) | 2019-12-20 | 2019-12-20 | Projector with dust removal function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922324573.0U CN211427021U (en) | 2019-12-20 | 2019-12-20 | Projector with dust removal function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211427021U true CN211427021U (en) | 2020-09-04 |
Family
ID=72244961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922324573.0U Expired - Fee Related CN211427021U (en) | 2019-12-20 | 2019-12-20 | Projector with dust removal function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211427021U (en) |
-
2019
- 2019-12-20 CN CN201922324573.0U patent/CN211427021U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100196681B1 (en) | Optical apparatus and cooling method thereof | |
| US7815315B2 (en) | Cooling device and projector | |
| US7828445B2 (en) | Heat dissipation device for a display projector lamp module | |
| WO2009150850A1 (en) | Image display device | |
| JP2005134858A (en) | Optical device and rear projector | |
| CN104280991A (en) | Projector | |
| CN212255995U (en) | Heat radiation structure and projector | |
| JP4240095B2 (en) | Sealed lamp device and projector | |
| CN211427021U (en) | Projector with dust removal function | |
| CN211427015U (en) | Projector convenient to remove dust | |
| CN211427020U (en) | Projector beneficial to heat dissipation | |
| CN112782916A (en) | Totally-enclosed optical machine with vertical heat dissipation and projector thereof | |
| CN211427019U (en) | Noise-reducing and shock-absorbing projector | |
| CN211979402U (en) | Vertical projector | |
| CN212276202U (en) | Projector | |
| JP2500741B2 (en) | LCD projector | |
| US7866825B2 (en) | Blind for a projector | |
| JP2702868B2 (en) | LCD projector | |
| JP4911653B2 (en) | Projection display device | |
| CN217443724U (en) | Projection optical machine and projection equipment | |
| CN212694230U (en) | Projector with a light source | |
| JP2004279778A (en) | Projector | |
| JP2678818B2 (en) | LCD projector | |
| JPH0667143A (en) | Liquid crystal type projector | |
| CN220121133U (en) | Single-chip LCD projection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200904 Termination date: 20201220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |