CN211427015U - Projector convenient to remove dust - Google Patents
Projector convenient to remove dust Download PDFInfo
- Publication number
- CN211427015U CN211427015U CN201922303827.0U CN201922303827U CN211427015U CN 211427015 U CN211427015 U CN 211427015U CN 201922303827 U CN201922303827 U CN 201922303827U CN 211427015 U CN211427015 U CN 211427015U
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- air
- liquid crystal
- dust
- crystal module
- air outlet
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Abstract
The utility model provides a projector convenient to remove dust, 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 intake fan in the air suction wind channel of air intake department and be used for blowing the air-out fan to the air outlet with the air in the wind channel, still be equipped with the deashing mouth on the casing, deashing mouth and wind channel intercommunication, the deashing mouth is covered by the apron, the apron is connected with casing detachably. The utility model discloses a set up the deashing mouth, when the surface of the component that is located the wind channel both sides falls on the dust, open the apron of deashing mouth department, clear away the dust that is located the component surface of wind channel both sides via the deashing mouth, dust removal easy operation, convenience, in addition, through setting up the deashing mouth, still be convenient for maintain the inside component of casing via the deashing mouth.
Description
Technical Field
The utility model relates to an electron device, especially a projector convenient to remove dust.
Background
Generally, a fan is provided in a projector, and blows external air into an air duct inside the projector, and then blows the air out of the projector, so as to cool and dissipate heat of elements inside the projector through the flowing air.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a projector convenient to remove dust to solve the problem that the dust that prior art exists falls on the component of wind channel both sides very easily.
In order to achieve the above object, the utility model provides a projector convenient to remove dust, 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, still be equipped with the deashing mouth on the casing, the deashing mouth with the wind channel intercommunication, the deashing mouth is covered by the apron, the apron with casing detachably connects.
The projector convenient for dust removal 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) liquid crystal screen, the air duct penetrates through the space between the liquid crystal module and the glass spacer, 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, and dust on the surfaces of the liquid crystal module and the rear polarizer is removed through the dust removal port.
The projector convenient for dust removal 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 inclines by 45 degrees relative to the lens and the front lens.
The projector convenient for dust removal as described above, wherein the dust removing opening extends from a position on the housing corresponding to the front lens to a position on the housing corresponding to the rear lens, and dust on the surfaces of the front lens and the rear lens is removed through the dust removing opening.
The projector convenient for dust removal is characterized in that a reflecting cover is further arranged in the mounting cavity, the reflecting cover covers the light source module, and an opening of the reflecting cover faces the rear lens.
The projector convenient for dust removal is characterized in that 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, baffles are arranged between the liquid crystal module and the air inlet fan and between the glass spacer and the air inlet fan, and the baffles, the liquid crystal module and the glass spacer form a side wall plate of the air channel.
The projector convenient for dust removal comprises a shell, a top plate and a bottom plate, wherein the top plate is arranged at the top of the side enclosing plate, the bottom plate is arranged at the bottom of the side enclosing plate, the air duct is arranged between the top plate and the bottom plate, the dust removing port is arranged on the bottom plate, and the cover plate is detachably connected with the bottom plate.
The projector convenient for dust removal, wherein the side enclosing plate 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, the air inlet is formed in the rear side plate, the air inlet fan is positioned on the inner side of the rear side plate and adjacent to the air inlet, the air outlet is formed in the right side plate, the air outlet fan is positioned on the inner side of the front side plate, the air outlet fan and the air outlet are arranged at intervals, the air outlet fan faces the air outlet, and the air channel is formed by extending the air inlet fan to the air outlet fan.
The projector convenient for dust removal 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 and the radiator are arranged at intervals, 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 convenient for dust removal is characterized in that a dust adsorption layer for adsorbing dust is paved on the bottom surface of the air duct.
The utility model discloses a projector convenient to remove dust's characteristics and advantage are:
1. the utility model discloses be equipped with the deashing mouth on the casing of projector, after the projector uses for a long time, when the surface of the component that is located the wind channel both sides falls on the dust, open the apron of deashing mouth department, clear away the dust that is located the component surface of wind channel both sides via the deashing mouth, for example adopt the cotton swab with the stick to stretch into the casing via the deashing mouth, clean the dust on component surface, or adopt the air gun to blow away the dust on component surface via the deashing mouth, therefore the utility model discloses a set up the deashing mouth, make the dust removal easy operation, convenient, in addition, through setting up the deashing mouth, still be convenient for maintain the component inside the casing via the deashing mouth;
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 uses the liquid crystal module and the glass spacer as the side wall board of the air duct, so that the air entering the air duct is blown over from the surfaces of the liquid crystal module and the glass spacer, and the heat generated by the rear polarizer on the liquid crystal module and the glass spacer is directly taken away, and the heat dissipation effect is good;
4. the utility model discloses a lay the dust adsorbed layer in the wind channel for on the difficult back polaroid that falls on liquid crystal module and glass spacer of dust, consequently can reduce the attached probability of dust on the LCD liquid crystal screen.
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 having a dust removing structure according to an embodiment of the present invention;
FIG. 2 is a schematic rear view of the projector of FIG. 1;
fig. 3 is a schematic diagram of an internal structure of a projector having a dust removing structure according to another 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. cleaning the ash hole; 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. a right side plate;
23. and a dust adsorption layer.
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 and 2, the utility model provides a projector convenient to remove dust, it includes casing 1, the installation cavity has in the casing 1, be equipped with air intake 2 and air outlet 3 with the installation cavity intercommunication on the casing 1, be equipped with wind channel 4 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, still be equipped with deashing mouth 7 on the casing 1, deashing mouth 7 and wind channel 4 intercommunication, deashing mouth 7 is covered by apron (not shown), the apron is connected with casing 1 detachably.
The utility model discloses be equipped with the deashing mouth on the casing of projector, after the projector uses for a long time, when the surface of the component that is located the wind channel both sides falls the dust, open the apron of deashing mouth department, clear away the dust that is located the component surface of wind channel both sides via the deashing mouth, for example adopt the cotton swab of taking the stick to stretch into the casing via the deashing mouth, clean the dust on component surface, perhaps adopt the air gun to blow away the dust on component surface via the deashing mouth, consequently the utility model discloses a set up the deashing mouth, can clear away the dust on component surface of wind channel both sides very conveniently, remove dust easy operation, convenience, in addition, through setting up the deashing mouth, still be convenient for maintain the inside component of casing via the deashing mouth.
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.
As shown in fig. 1 and 2, in an embodiment, the projector is an LCD projector, a liquid crystal module 8 and a glass spacer 9 are disposed in an 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, an air duct 4 passes through a space 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 4, 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, and dust on surfaces of the liquid crystal module 8 and the rear polarizer is removed through a dust removal opening 7, so that the liquid crystal module 8 and the rear polarizer cannot normally function due to dust falling thereon.
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 4, 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, by using the liquid crystal module 8 and the glass spacer 9 as the side wall plate of the air duct 4 and attaching the rear polarizer to the side surface of the glass spacer 9 facing the liquid crystal module 8, the dust on the surfaces of the liquid crystal module 8 and the rear polarizer can be conveniently cleaned through the dust cleaning port 7, and the dust removal operation is simple and convenient.
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 and 2, the dust removing opening 7 extends from a position corresponding to the front lens 10 on the housing 1 to a position corresponding to the rear lens 11 on the housing 1, and dust on the surfaces of the front lens 10 and the rear lens 11 is removed through the dust removing opening 7. Because the functions of the front lens 10 and the rear lens 11 are affected after dust falls on the front lens 10 and the rear lens 11, the dust cleaning opening 7 is extended to the positions of the front lens 10 and the rear lens 11, dust on the surfaces of the front lens 10 and the rear lens 11 can be conveniently cleaned through the dust cleaning opening 7, and the dust removing operation is simple and convenient. For example, the dust removing opening 7 is a square opening.
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, the baffle 15 is disposed between the liquid crystal module 8 and the intake fan 5 and between the glass spacer 9 and the intake fan 5, the baffle 15, the liquid crystal module 8 and the glass spacer 9 constitute a side wall plate of the air duct 4, for example, the liquid crystal module 8 and the baffle 15 disposed between the liquid crystal module 8 and the intake fan 5 constitute a left side wall plate of the air duct 4, and the glass spacer 9 and the baffle 15 disposed between the glass spacer 9 and the intake fan 5 constitute a right side wall plate of the air duct 4.
As shown in fig. 1 and 2, in an embodiment, the housing 1 includes a side enclosure, a top plate (not shown) disposed on the top of the side enclosure, and a bottom plate 18 disposed on the bottom of the side enclosure, the air duct 4 is located between the top plate and the bottom plate 18, that is, the top plate and the bottom plate 18 of the housing 1 are respectively used as the top plate and the bottom plate 18 of the air duct 4, the top plate and the bottom plate 18 of the housing 1 and the side wall plate of the air duct 4 together enclose the air duct 4, the dust removing opening 7 is disposed on the bottom plate 18, and the cover plate is detachably connected with the bottom plate 18, for example, the cover plate is detachably connected with.
As shown in fig. 1, the side panels include a front side panel 19, a rear side panel 20, a left side panel 21 and a right side panel 22, the front side panel 19, the rear side panel 20, the left side panel 21 and the right side panel 22 enclose the side panels to form the side panels of the casing 1, the bottom panel 18 and the top panel are respectively disposed at the top and the bottom of the side panels to form the casing 1 in a substantially rectangular shape, the front side panel 19 is opposite to the rear side panel 20, the left side panel 21 is opposite to the right side panel 22, the air inlet 2 is disposed on the rear side panel 20, the air inlet fan 5 is disposed at the inner side of the rear side panel 20 and adjacent to the air inlet 2, the air outlet 3 is disposed on the right side panel 22, the air outlet fan 6 is disposed at the inner side of the front side panel 19, the air outlet fan 6 and the air outlet 3 are spaced apart, the air outlet fan 6 faces the air outlet 3, the air duct 4 extends from the air inlet fan 5 to the air outlet fan 6, the top plate of the housing 1 covers the side wall plate of the air duct 4.
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.
As shown in fig. 1 and 2, in one embodiment, a heat sink 16 is further disposed in the mounting cavity, the heat sink 16 is disposed at the air outlet 3, or the heat sink 16 is located inside the right side plate 22 of the housing 1 and is adjacent to the air outlet 3, the air outlet fan 6 faces the heat sink 16, the air outlet fan 6 and the heat sink 16 are disposed at an interval, 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 outside the housing 1 by the heat sink 16.
As shown in fig. 3, in an embodiment, a dust adsorption layer 23 for adsorbing dust is laid on the bottom surface of the air duct 4, and the dust adsorption layer 23 can adsorb dust in the air flowing through the air duct 4, so that the dust is not easily attached to the components inside the projector, and the dust attachment amount on the components inside the projector is effectively reduced. Specifically, the dust adsorption layer 23 is laid on the inner surface of the bottom plate 18 as the bottom surface of the air path 4.
In the embodiment, the dust adsorption layer 23 is laid in the air duct 4, so that dust is not easy to fall on the rear polarizer on the liquid crystal module 8 and the glass spacer 9, and the attachment probability of dust on the LCD screen is reduced.
In one embodiment, the dust adsorbing layer 23 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 23 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.
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 convenient to remove dust, a serial communication port, projector convenient to remove dust 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 outlet fan of air outlet, still be equipped with the deashing mouth on the casing, the deashing mouth with the wind channel intercommunication, the deashing mouth is covered by the apron, the apron with casing detachably connects.
2. The projector convenient to remove dust according to claim 1, wherein a liquid crystal module and a glass spacer are arranged in the installation cavity, the liquid crystal module and the glass spacer are arranged oppositely and at intervals, 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 display), the air duct passes through the space between the liquid crystal module and the glass spacer, 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, and dust on the surfaces of the liquid crystal module and the rear polarizer is removed through the dust removing opening.
3. The projector convenient for removing dust of claim 2, wherein a light source module, a front lens, a rear lens and a reflector are further arranged in the mounting cavity, a lens is arranged on the housing, the light source module is positioned on a side of the glass spacer facing away from the liquid crystal module, the rear lens is positioned between the glass spacer and the light source module, the reflector is positioned on a side of the liquid crystal module facing away from the glass spacer, the front lens is positioned between the reflector and the liquid crystal module, and the reflector is inclined by 45 ° relative to the lens and the front lens.
4. The dust removal facilitating projector of claim 3, wherein the dust removal port extends from a position on the housing corresponding to the front lens to a position on the housing corresponding to the rear lens, and dust on surfaces of the front lens and the rear lens is removed through the dust removal port.
5. The projector convenient for removing dust of claim 3, wherein a reflective cover is further arranged in the mounting cavity, the reflective cover is covered outside the light source module, and an opening of the reflective cover faces the rear lens.
6. The projector convenient to remove dust of claim 2, 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 duct.
7. The projector convenient for dust removal of any one of claims 1 to 6, wherein the housing comprises a side enclosing plate, a top plate arranged at the top of the side enclosing plate, and a bottom plate arranged at the bottom of the side enclosing plate, the air duct is positioned between the top plate and the bottom plate, the dust removing port is arranged on the bottom plate, and the cover plate is detachably connected with the bottom plate.
8. The projector convenient to remove dust of claim 7, wherein the side panels comprise a front side panel, a rear side panel, a left side panel and a right side panel, the front side panel is opposite to the rear side panel, the left side panel is opposite to the right side panel, the air inlet is disposed on the rear side panel, the air inlet fan is disposed inside the rear side panel and adjacent to the air inlet, the air outlet is disposed on the right side panel, the air outlet fan is disposed inside the front side panel, the air outlet fan and the air outlet are spaced apart, the air outlet fan faces the air outlet, and the air duct extends from the air inlet fan to the air outlet fan.
9. The projector convenient to remove dust of any one of claims 1 to 6, 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 and the heat sink are spaced apart from each other, 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 to the heat sink through the channel.
10. The projector convenient for dust removal as claimed in any one of claims 1 to 6, wherein a dust adsorption layer for adsorbing dust is laid on a bottom surface of the air duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922303827.0U CN211427015U (en) | 2019-12-20 | 2019-12-20 | Projector convenient to remove dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922303827.0U CN211427015U (en) | 2019-12-20 | 2019-12-20 | Projector convenient to remove dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211427015U true CN211427015U (en) | 2020-09-04 |
Family
ID=72254651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922303827.0U Expired - Fee Related CN211427015U (en) | 2019-12-20 | 2019-12-20 | Projector convenient to remove dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211427015U (en) |
-
2019
- 2019-12-20 CN CN201922303827.0U patent/CN211427015U/en not_active Expired - Fee Related
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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 |
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| CF01 | Termination of patent right due to non-payment of annual fee |