CN211427020U - Projector beneficial to heat dissipation - Google Patents
Projector beneficial to heat dissipation Download PDFInfo
- Publication number
- CN211427020U CN211427020U CN201922323760.7U CN201922323760U CN211427020U CN 211427020 U CN211427020 U CN 211427020U CN 201922323760 U CN201922323760 U CN 201922323760U CN 211427020 U CN211427020 U CN 211427020U
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- liquid crystal
- crystal module
- air
- disposed
- glass spacer
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Abstract
The utility model provides a do benefit to radiating projector, which comprises a housin, the installation cavity has in the casing, be equipped with air intake and air outlet with the installation cavity intercommunication on the casing, be equipped with the wind channel in the installation cavity, be used for the air inlet fan in the air suction wind channel with 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 liquid crystal module and glass spacer in the installation cavity, liquid crystal module and glass spacer are relative and the interval sets up, the glass spacer is equipped with back polaroid towards the side facing liquid crystal module facing, liquid crystal module and back polaroid constitute the LCD liquid crystal screen, the wind channel passes between liquid crystal module and the glass spacer, the air current that gets into the wind channel is through liquid crystal module and back polaroid and is cooled down to liquid crystal module and. The utility model discloses a with back polaroid and liquid crystal module separation, can reduce liquid crystal module's temperature rise to reduce the temperature rise of whole LCD screen, improve the radiating effect.
Description
Technical Field
The utility model relates to an electron device, especially a do benefit to radiating projector.
Background
The LCD screen that present LCD projector used includes two polaroids and printing opacity subassemblies in front and back, the inside liquid crystal material that is equipped with of printing opacity subassembly, two polaroids are pasted and are established on the relative both sides face of printing opacity subassembly, for the convenience of description, the polaroid that wherein is close to light source one side is called the back polaroid, the polaroid that will keep away from light source one side is called preceding polaroid, during the use, the light that the light source sent shines on the polaroid of back earlier, back polaroid can generate heat under the long-time irradiation of light source, the back polaroid that the temperature rose can give printing opacity subassembly with heat direct transfer, thereby make the temperature rise of whole LCD.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a do benefit to radiating projector to solve the back polaroid that current LCD projector exists and directly transmit the heat for printing opacity subassembly, lead to the problem that whole LCD screen temperature rises.
In order to achieve the above object, the present invention provides a projector with heat dissipation function, which comprises a housing, the shell is internally provided with an installation cavity, the shell is provided with an air inlet and an air outlet which are communicated with the installation cavity, an air duct, an air inlet fan for sucking air at the air inlet into the air duct, and an air outlet fan for blowing the air in the air duct to the air outlet are arranged in the mounting cavity, a liquid crystal module and a glass spacer are also arranged in the mounting cavity, the liquid crystal module and the glass spacer are arranged oppositely and at intervals, a rear polarizer is adhered to the 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) 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 beneficial to heat dissipation comprises a liquid crystal module, a light-transmitting component and a front polaroid, wherein the front polaroid is attached to the side face, back to the glass spacer, of the light-transmitting component.
Do benefit to radiating projector as above, wherein, the liquid crystal module with the air inlet fan interval sets up, the glass spacer with the air inlet fan interval sets up, the liquid crystal module with between the air inlet fan, and the glass spacer with all be equipped with the baffle between the air inlet fan, the baffle the liquid crystal module with the glass spacer constitutes the lateral wall board in wind channel.
Do benefit to radiating projector as above, wherein, still be equipped with light source module, front lens, rear lens and speculum in the installation cavity, be equipped with the camera lens on the casing, light source module is located glass spacer's one side of liquid crystal module dorsad, rear lens is located glass spacer with between the light source module, the speculum is located liquid crystal module's dorsad one side of glass spacer, front lens is located the speculum with between the liquid crystal module, the speculum is for the camera lens with front lens slope 45.
The projector beneficial to heat dissipation 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 beneficial to heat dissipation as described above, wherein the front lens and the rear lens are both phenanthrene mirrors.
The projector beneficial to heat dissipation is characterized in that the light source module is an LED lamp.
The projector beneficial to heat dissipation is characterized in that a radiator is further arranged in the mounting cavity, the radiator is arranged at the air outlet, the air outlet fan faces the radiator, the air outlet fan and the radiator are spaced 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.
Do benefit to radiating projector as above, wherein, the casing includes preceding curb plate, posterior lateral plate, left side board and right side board, preceding curb plate with the posterior lateral plate is relative, the left side board with the right side board is relative, the air intake is located on the posterior lateral plate, air inlet fan is located posterior lateral plate inboard is close to the air intake, the air outlet is located on the right side board, air outlet fan is located the preceding curb plate is inboard and towards the air outlet, the wind channel by air inlet fan extends to air outlet fan.
The projector beneficial to heat dissipation is characterized in that the vertical distance between the side surface of the liquid crystal module facing the rear polarizer and the side surface of the rear polarizer facing the liquid crystal module is 10-30 mm.
The utility model discloses a do benefit to radiating projector's characteristics and advantage are:
the utility model discloses a paste the back polaroid and establish on the glass spacer, make back polaroid and liquid crystal module separation, during the use, the heat that the back polaroid produced can not directly be transmitted to the liquid crystal module, can reduce the temperature rise of liquid crystal module compared with prior art to reduce the temperature rise of whole LCD screen; in addition, the air is driven to flow through the air channel by the air inlet fan and the air outlet fan, the liquid crystal module and the glass spacer are used as side wall plates of the air channel, the air entering the air channel is blown over the surfaces of the liquid crystal module and the glass spacer, 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 further improved.
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 view of an internal structure of a projector facilitating heat dissipation 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 liquid crystal module; 8. a glass spacer; 9. a baffle plate; 10. a front lens; 11. a rear lens; 12. a mirror;
13. a lens; 14. a reflector; 15. a heat sink; 16. a base plate; 17. a front side plate; 18. a rear side plate;
19. a left side plate; 20. a right side plate; 21. a channel.
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 present invention provides a projector facilitating heat dissipation, which is an LCD projector, and includes a housing 1, a mounting cavity is provided in the housing 1, an air inlet 2 and an air outlet 3 are provided on the housing 1, the housing 1 is provided with an air duct 4, an air inlet fan 5 for sucking air at the air inlet 2 into the air duct 4, and an air outlet fan 6 for blowing air in the air duct 4 to the air outlet 3, for example, the air inlet fan 5 and the air outlet fan 6 are respectively located at opposite ends of the air duct 4, so that air can pass through the air duct 4, a liquid crystal module 7 and a glass spacer 8 are further provided in the mounting cavity, the liquid crystal module 7 and the glass spacer 8 are arranged opposite and spaced, a rear polarizer is attached to a side surface of the glass spacer 8 facing the liquid crystal module 7, the liquid crystal module 7 and the rear polarizer constitute an LCD screen, the air duct 4 passes through between the liquid crystal module 7 and the glass spacer 8, or the liquid crystal module 7 and the glass spacer 8 are used as side wall plates of the air duct 4, and the air entering the air duct 4 passes through the liquid crystal module 7 and the rear polarizer and cools the liquid crystal module 7 and the rear polarizer.
The utility model discloses a paste the back polaroid and establish on glass spacer 8, make back polaroid and liquid crystal module 7 separation, during the use, the heat that the back polaroid produced can not directly be transmitted to liquid crystal module 7, can reduce the temperature rise of liquid crystal module 7 compared with prior art to reduce the temperature rise of whole LCD screen; in addition, through setting up air inlet fan 5 and air outlet fan 6 drive air and flow through from wind channel 4 to regard liquid crystal module 7 and glass spacer 8 as the side wall board in wind channel 4, make the air that gets into wind channel 4 blow through from the surface of liquid crystal module 7 and glass spacer 8, directly take away the heat that liquid crystal module 7 and the back polaroid on the glass spacer 8 produced, further improve the radiating effect.
The glass spacer 8 is used as a carrier of the rear polarizer and also as a side wall plate of the air duct 4.
Further, the liquid crystal module 7 includes a light transmitting member and a front polarizer attached to a side of the light transmitting member facing away from the glass spacer 8. Therefore the utility model discloses a LCD screen, except that back polaroid and liquid crystal module 7 separation, other structures all are the same with current LCD screen.
As shown in fig. 1, in one embodiment, the liquid crystal module 7 and the intake fan 5 are disposed at an interval, the glass spacer 8 and the intake fan 5 are disposed at an interval, the baffle plates 9 are disposed between the liquid crystal module 7 and the intake fan 5 and between the glass spacer 8 and the intake fan 5, the baffle plates 9, the liquid crystal module 7 and the glass spacer 8 form a side wall plate of the air duct 4, for example, the liquid crystal module 7 and the baffle plate 9 between the liquid crystal module 7 and the intake fan 5 form a left side wall plate of the air duct 4, and the glass spacer 8 and the baffle plate 9 between the glass spacer 8 and the intake fan 5 form a right side wall plate of the air duct 4.
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 8 facing away from the liquid crystal module 7, for example, the light source module is an LED lamp, the rear lens 11 is disposed between the glass spacer 8 and the light source module, that is, the rear lens 11 is disposed on a side of the glass spacer 8 facing away from the liquid crystal module 7, the rear lens 11 is spaced apart from the glass spacer 8, the reflector 12 is disposed on a side of the liquid crystal module 7 facing away from the glass spacer 8, the front lens 10 is disposed between the reflector 12 and the liquid crystal module 7, that is, the front lens 10 is disposed on a side of the liquid crystal module 7 facing away from the glass spacer 8, the front lens 10 is spaced apart from the liquid crystal module 7, and the reflector 12.
When the projection type LED screen is used, light emitted by the light source module sequentially passes through the rear lens 11, the glass spacer 8, the rear polarizer, the liquid crystal module 7 and the front lens 10 to form a projection light path, and then is projected onto a 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 an embodiment, a heat sink 15 is further disposed in the mounting cavity, the heat sink 15 is disposed at the air outlet 3, the air outlet fan 6 faces the heat sink 15, the air outlet fan 6 is spaced apart from the heat sink 15, a channel 21 is disposed between the air outlet fan 6 and the heat sink 15, the air outlet fan 6 can blow air in the air duct 4 to the heat sink 15 through the channel 21, and then the heat is timely exhausted outside the housing 1 by the heat sink 15.
As shown in fig. 1, in one embodiment, the casing 1 includes a bottom plate 16, a top plate (not shown), a front side plate 17, a rear side plate 18, a left side plate 19 and a right side plate 20, the front side plate 17, the rear side plate 18, the left side plate 19 and the right side plate 20 enclose a side wall plate of the casing 1, the bottom plate 16 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 16 and the top plate are opposite, the front side plate 17 and the rear side plate 18 are opposite, the left side plate 19 and the right side plate 20 are opposite, the air inlet 2 is disposed on the rear side plate 18, the air inlet fan 5 is disposed inside the rear side plate 18 and adjacent to the air inlet 2, the air outlet 3 is disposed on the right side plate 20, the air outlet fan 6 is disposed inside the front side plate 17 and facing the air outlet 3, the air duct 4 extends from the, the radiator 15 is positioned on the inner side of the right side plate 20 and is adjacent to the air outlet 3, the side wall plate of the air duct 4 is fixed on the bottom plate 16 of the shell 1, the top plate of the shell 1 covers the side wall plate of the air duct 4, and the inner surface of the bottom plate 16 serves as the bottom surface of the air duct 4.
As shown in fig. 1, in one embodiment, the vertical spacing L between the side of the liquid crystal module 7 facing the rear polarizer and the side of the rear polarizer facing the liquid crystal module 7 is 10mm to 30mm, for example 10mm, 15mm, 20mm, 25mm or 30 mm.
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. A projector beneficial to heat dissipation is characterized in that the projector beneficial to heat dissipation comprises a shell, the shell is internally provided with an installation cavity, the shell is provided with an air inlet and an air outlet which are communicated with the installation cavity, an air duct, an air inlet fan for sucking air at the air inlet into the air duct, and an air outlet fan for blowing the air in the air duct to the air outlet are arranged in the mounting cavity, a liquid crystal module and a glass spacer are also arranged in the mounting cavity, the liquid crystal module and the glass spacer are arranged oppositely and at intervals, a rear polarizer is adhered to the 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) 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.
2. The projector as claimed in claim 1, wherein the liquid crystal module comprises a light-transmitting component and a front polarizer, and the front polarizer is attached to a side of the light-transmitting component facing away from the glass spacer.
3. The projector as claimed in claim 1, wherein the liquid crystal module and the air inlet fan are spaced apart, the glass spacer and the air inlet fan are spaced apart, and a baffle is disposed between the liquid crystal module and the air inlet fan and between the glass spacer and the air inlet fan, wherein the baffle, the liquid crystal module and the glass spacer form a sidewall of the air duct.
4. The projector as claimed in claim 1, wherein a light source module, a front lens, a rear lens and a reflector are further disposed in the mounting cavity, 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 tilted by 45 ° with respect to the lens and the front lens.
5. The projector as claimed in claim 4, wherein a reflector is disposed in the mounting cavity, the reflector is disposed outside the light source module, and an opening of the reflector faces the rear lens.
6. The projector as claimed in claim 4, wherein the front lens and the rear lens are both phenanthrene lenses.
7. The projector for facilitating heat dissipation of claim 4, wherein the light source module is an LED lamp.
8. The projector as claimed in claim 1, 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 to the heat sink through the channel.
9. The projector as claimed in claim 1, 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.
10. The projector as claimed in claim 1, wherein a vertical distance between a side of the liquid crystal module facing the rear polarizer and a side of the rear polarizer facing the liquid crystal module is 10mm to 30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922323760.7U CN211427020U (en) | 2019-12-20 | 2019-12-20 | Projector beneficial to heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922323760.7U CN211427020U (en) | 2019-12-20 | 2019-12-20 | Projector beneficial to heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211427020U true CN211427020U (en) | 2020-09-04 |
Family
ID=72244953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922323760.7U Expired - Fee Related CN211427020U (en) | 2019-12-20 | 2019-12-20 | Projector beneficial to heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211427020U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023004906A1 (en) * | 2021-07-26 | 2023-02-02 | 深圳市远古科技有限公司 | Projector with cyclic heat sink |
-
2019
- 2019-12-20 CN CN201922323760.7U patent/CN211427020U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023004906A1 (en) * | 2021-07-26 | 2023-02-02 | 深圳市远古科技有限公司 | Projector with cyclic heat sink |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200904 Termination date: 20201220 |