CN211427019U

CN211427019U - Noise-reducing and shock-absorbing projector

Info

Publication number: CN211427019U
Application number: CN201922303822.8U
Authority: CN
Inventors: 王伟
Original assignee: Beijing Star Times Software Technology Co ltd
Current assignee: Beijing Star Times Software Technology Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-09-04
Anticipated expiration: 2029-12-20

Abstract

The utility model provides a shock attenuation projector of making an uproar falls, 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 intake 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, be equipped with first shock pad between air intake fan and the casing, air intake fan and casing bond with first shock pad respectively, be equipped with the second shock pad between air-out fan and the casing, air-out fan and casing bond with the second shock pad respectively. The utility model discloses be the flexonics between well air inlet fan and the casing, between air outlet fan and the casing, do not have rigid connection spare transmission noise and vibrations, so the casing can not be transmitted in the vibrations of fan, can reduce the produced noise of fan vibrations by a wide margin to reach better noise reduction shock attenuation effect.

Description

Noise-reducing and shock-absorbing projector

Technical Field

The utility model relates to an electron device, especially a shock attenuation projector of making an uproar falls.

Background

The fan in the shell of the existing projector is generally locked and fixed by screws, and a rubber pad is usually added between the screws and the fan for reducing the noise and vibration of the fan.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a damping projector that makes an uproar falls to solve the problem that current projector has great noise and vibrations.

In order to achieve the above object, the utility model provides a shock attenuation projector of making an uproar falls, 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, air inlet fan with be equipped with first shock pad between the casing, air inlet fan with the casing respectively with first shock pad bonds, air-out fan with be equipped with the second shock pad between the casing, air-out fan with the casing respectively with the second shock pad bonds.

The noise-reducing and shock-absorbing projector is characterized in that two opposite surfaces of the first shock pad are respectively provided with a first adhesive layer, and the air inlet fan and the shell are respectively bonded with the first shock pad through the first adhesive layer.

The noise-reducing and shock-absorbing projector is characterized in that two opposite surfaces of the second shock pad are respectively provided with a second adhesive layer, and the air outlet fan and the shell are respectively bonded through the second adhesive layers and the second shock pad.

The projector with noise and vibration reduction as described above, wherein the first vibration reduction pad is a foam pad or a rubber pad.

The projector with noise and vibration reduction as described above, wherein the second vibration reduction pad is a foam pad or a rubber pad.

The noise-reducing and shock-absorbing projector comprises a liquid crystal module and a glass spacer, wherein the liquid crystal module and the 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, 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 noise-reducing and shock-absorbing projector as described above, wherein a light source module, a front lens, a rear lens and a reflector are further disposed in the mounting cavity, the housing is provided with a lens, the light source module is located on a side of the glass spacer facing away from the liquid crystal module, the rear lens is located between the glass spacer and the light source module, the reflector is located on a side of the liquid crystal module facing away from the glass spacer, the front lens is located between the reflector and the liquid crystal module, and the reflector is inclined by 45 ° with respect to the lens and the front lens.

The noise-reducing and shock-absorbing projector comprises a liquid crystal module, an air inlet fan, a glass spacer and baffles, 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, the 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 an air channel.

The noise-reducing and shock-absorbing projector as described above, 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 apart 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.

The projector with noise reduction and vibration reduction as described above, wherein the housing comprises a top plate, a bottom plate, a front side plate, a rear side plate, a left side plate and a right side plate, the top plate is opposite to the bottom 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 arranged on the rear side plate, the air inlet fan is positioned on the inner side of the rear side plate and is adjacent to the air inlet, the air inlet fan is separated from the top plate and the bottom plate by the first shock absorption pad, the top plate and the bottom plate are bonded with the first shock pad, the air outlet is arranged on the right side plate, the air outlet fan is located on the inner side of the front side plate and faces the air outlet, the air outlet fan is separated from the top plate and the bottom plate through the second shock pad, and the top plate and the bottom plate are bonded with the second shock pad.

The utility model discloses a damping projector that makes an uproar falls's characteristics and advantage are:

1. the utility model discloses be equipped with the shock pad between air inlet fan and casing, between air outlet fan and casing, and be connected with air inlet fan, air outlet fan and casing through the mode that bonds with the shock pad, make between air inlet fan and the casing, be flexible contact between air outlet fan and the casing, there is not rigid connection spare transmission noise and vibrations, therefore the vibrations of fan can not transmit to the casing, can reduce the noise that the fan vibrations produced by a wide margin, thereby reach better noise reduction shock attenuation effect;

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 that gets into the 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.

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 noise-reducing and shock-absorbing projector according to an embodiment of the present invention;

fig. 2 is a schematic view of the air outlet fan and the casing of the noise-reducing and shock-absorbing projector 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 second cushion pad; 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. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of such features.

As fig. 1, fig. 2 shows, the utility model provides a damping projector falls makes an uproar, 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 the wind channel 4 to the air-out fan 6 of air outlet 3, be equipped with first shock pad (not shown) between air intake fan 5 and the casing 1, air intake fan 5 and casing 1 bond with first shock pad respectively, be equipped with second shock pad 7 between air-out fan 6 and the casing 1, air-out fan 6 and casing 1 bond with second shock pad 7 respectively.

The utility model discloses between air inlet fan 5 and casing 1, be equipped with the shock pad between air outlet fan 6 and the casing 1, and pass through mode and air inlet fan 5 that bonds with the shock pad, air outlet fan 6 and casing 1 are connected, make between air inlet fan 5 and the casing 1, be the flexonics between air outlet fan 6 and the casing 1, there are not rigid connection spare transmission noise and vibrations, therefore casing 1 can not be given in the vibrations of fan, can reduce the produced noise of fan vibrations by a wide margin, thereby reach better noise reduction and shock attenuation effect.

Further, lay first gluing layer respectively on two relative surfaces of first shock pad, air inlet fan 5 and casing 1 are through two relative surface bonding of first gluing layer and first shock pad respectively. Wherein the first adhesive layer is formed by laying adhesive on two opposite surfaces of the first damping pad, and can firmly adhere the air inlet fan 5 and the shell 1 together.

Further, two opposite surfaces of the second cushion 7 are respectively paved with a second adhesive layer, and the air outlet fan 6 and the casing 1 are respectively bonded with the second cushion 7 through the second adhesive layer. The second adhesive layer is formed by laying an adhesive on two opposite surfaces of the second cushion 7, and can firmly adhere the air outlet fan 6 and the housing 1 together.

Furthermore, the first shock pad is a foam pad or a rubber pad, preferably, the foam pad is a foam pad with double-sided back glue, and the rubber pad is a rubber pad with double-sided back glue, namely, the first adhesive layer is arranged, so that the use is very convenient.

Further, the second cushion 7 is a foam pad or a rubber pad, preferably, the foam pad is a foam pad with double-sided back glue, and the rubber pad is a rubber pad with double-sided back glue, that is, the second adhesive layer is provided, so that the use is very convenient.

As shown in fig. 1, further, the air inlet fan 5 and the air outlet fan 6 are respectively located at two opposite ends of the air duct 4, or the air duct 4 extends from the air inlet fan 5 to the air outlet fan 6, so that air can pass through the air duct 4.

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 4, 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 the 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.

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 by 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 partition 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 partition 9 and the intake fan 5, these baffles 15, the liquid crystal module 8 and the glass partition 9 together form a side wall of the air duct 4, for example, the liquid crystal module 8 and the baffle 15 between the liquid crystal module 8 and the intake fan 5 form a left side wall of the air duct 4, and the glass partition 9 and the baffle 15 between the glass partition 9 and the intake fan 5 form a right side wall 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 side plate 19, a rear side plate 20, a left side plate 21 and a right side plate 22, the front side plate 19, the rear side plate 20, the left side plate 21 and the right side 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 top plate is opposite to the bottom plate 18, the front side plate 19 is opposite to the rear side plate 20, the left side plate 21 is opposite to the right side plate 22, the air inlet 2 is disposed on the rear side plate 20, the air inlet fan 5 is disposed inside the rear side plate 20 and adjacent to the air inlet 2, the air inlet fan 5 is spaced from the top plate, the air inlet fan 5 is spaced from the bottom plate 18 by a first cushion, both the top plate and the bottom plate 18 are bonded to the first cushion, the air, between air-out fan 6 and the roof, separate through second shock pad 7 between air-out fan 6 and the bottom plate 18, and roof and bottom plate 18 all bond with second shock pad 7.

As shown in fig. 1, further, the air duct 4 extends from the inner side of the rear side plate 20 of the casing 1 to the inner side of the front side plate 19 thereof, the heat sink 16 is located at the inner side of the right side plate 22 of the casing 1 and adjacent to the air outlet 3, the side wall plate of the air duct 4 is fixed on the bottom plate 18 of the casing 1, and the top plate of the casing 1 covers the side wall plate of the air duct 4.

As shown in fig. 1, the air duct 4 is a substantially straight duct, which has smaller wind resistance and is beneficial to heat dissipation compared with the 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

1. The utility model provides a damping projector of making an uproar, its characterized in that, damping projector of making an uproar 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, air inlet fan with be equipped with first shock pad between the casing, air inlet fan with the casing respectively with first shock pad bonds, air-out fan with be equipped with the second shock pad between the casing, air-out fan with the casing respectively with the second shock pad bonds.

2. The projector as claimed in claim 1, wherein a first adhesive layer is disposed on each of two opposite surfaces of the first cushion, and the inlet fan and the housing are adhered to the first cushion through the first adhesive layer.

3. The projector as claimed in claim 1, wherein a second adhesive layer is disposed on each of two opposite surfaces of the second cushion, and the outlet fan and the housing are bonded to the second cushion through the second adhesive layers.

4. The noise and vibration reducing projector of claim 1 wherein the first vibration reducing pad is a foam pad or a rubber pad.

5. The noise and vibration reducing projector of claim 1 wherein the second vibration reducing pad is a foam pad or a rubber pad.

6. The projector as claimed in 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 and spaced apart from each other, a rear polarizer is attached to a side of the glass spacer facing the liquid crystal module, the liquid crystal module and the rear polarizer form an LCD 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.

7. The projector as claimed in claim 6, 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 tilted by 45 ° with respect to the lens and the front lens.

8. The projector as claimed in claim 6, wherein the liquid crystal module and the air inlet fan are spaced apart from each other, the glass spacer and the air inlet fan are spaced apart from each other, 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 side wall plate of the air duct.

9. The projector as claimed in any 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 apart 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. A noise-reducing and vibration-damping projector as set forth in any one of claims 1 to 8, the shell comprises a top plate, a bottom plate, a front side plate, a rear side plate, a left side plate and a right side plate, the top plate is opposite to the bottom 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 arranged on the rear side plate, the air inlet fan is positioned on the inner side of the rear side plate and is adjacent to the air inlet, the air inlet fan is separated from the top plate and the bottom plate through the first shock absorption pad, the top plate and the bottom plate are bonded with the first shock pad, the air outlet is arranged on the right side plate, the air outlet fan is located on the inner side of the front side plate and faces the air outlet, the air outlet fan is separated from the top plate and the bottom plate through the second shock pad, and the top plate and the bottom plate are bonded with the second shock pad.