CN216434657U - Dustproof construction of projecting apparatus - Google Patents
Dustproof construction of projecting apparatus Download PDFInfo
- Publication number
- CN216434657U CN216434657U CN202123272460.4U CN202123272460U CN216434657U CN 216434657 U CN216434657 U CN 216434657U CN 202123272460 U CN202123272460 U CN 202123272460U CN 216434657 U CN216434657 U CN 216434657U
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- CN
- China
- Prior art keywords
- dust
- imaging device
- optical imaging
- dust removal
- projecting apparatus
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- 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.)
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- 238000010276 construction Methods 0.000 title claims abstract description 11
- 239000000428 dust Substances 0.000 claims abstract description 94
- 238000012634 optical imaging Methods 0.000 claims abstract description 30
- 239000004973 liquid crystal related substance Substances 0.000 claims description 13
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 230000004907 flux Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 230000015572 biosynthetic process Effects 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 description 16
- 239000003292 glue Substances 0.000 description 5
- 230000006872 improvement Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Projection Apparatus (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model discloses a dustproof construction of projecting apparatus, this dustproof construction of projecting apparatus are including the casing that is used for installing optical imaging device, the casing has a plurality of through-holes with external intercommunication, locates the dust screen of each through-hole department of a plurality of through-holes locates the mesochite of optical imaging device top, is located dust removal groove on the mesochite, and locates dust removal groove top with the dust removal apron that the mesochite is connected. According to the dustproof structure of the projector, the dustproof net arranged at the through hole can prevent external dust from entering the projector; the optical imaging device is sealed by a middle shell arranged above the optical imaging device, so that dust is further prevented from entering the optical imaging device; can carry out the dust removal operation to optical imaging device through the dust removal groove that sets up on the mesochite, further ensure the formation of image effect of projecting apparatus.
Description
Technical Field
The utility model relates to a projecting apparatus field especially relates to a dustproof construction of projecting apparatus.
Background
A projector, also called a projector, is a device that can project images or videos onto a curtain, and is widely used in homes, offices, schools, and entertainment places, and there are different types such as CRT, LCD, and DLP according to different working modes. The LCD projector has the advantages of small volume, light weight, high brightness and contrast, moderate resolution, and market share of the LCD projector which accounts for more than 70% of the total market share, is the projector with the highest market share and the most wide application. The LCD screen is as the important formation of image part in the LCD projecting apparatus, but the dust keeper of current projecting apparatus leads to the dust to enter into the inside formation of image that influences the LCD screen of projecting apparatus easily, leads to the projecting image of projecting apparatus to appear the dirt point, and on the other hand is difficult to handle the dust in the projecting apparatus after the dust gets into the projecting apparatus, influences the formation of image effect of projecting apparatus, and user experience is not good.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dustproof construction of projecting apparatus that is effectual, and can conveniently clear up the inside dust of projecting apparatus.
The utility model discloses a following technical scheme realizes: the utility model provides a dustproof construction of projecting apparatus, dustproof construction of projecting apparatus is including the casing that is used for installing optical imaging device, the casing has a plurality of through-holes with external intercommunication, locates the dust screen of each through-hole department of a plurality of through-holes locates the mesochite of optical imaging device top, is located dust removal groove on the mesochite, and locates dust removal groove top with the dust removal apron that the mesochite is connected.
As a further improvement of the technical scheme, the optical imaging device comprises a light source, a light flux, a phenanthrene mirror, an LCD (liquid crystal display) screen and a reflector, and the dust removal groove is positioned above the LCD screen.
As a further improvement of the technical scheme, a dust absorption area is arranged on the shell, dust absorption glue is arranged on the dust absorption area, and the dust absorption area is located below the dust removal groove.
As a further improvement of the technical scheme, the dust removal cover plate is fixed on the middle shell through screws.
The beneficial effects of the utility model include at least:
(1) the dust screen arranged at the through hole prevents external dust from entering the projector;
(2) the optical imaging device is sealed by a middle shell arranged above the optical imaging device, so that dust is further prevented from entering the optical imaging device;
(3) can carry out the dust removal operation to optical imaging device through the dust removal groove that sets up on the mesochite, further ensure the formation of image effect of projecting apparatus.
Drawings
Fig. 1 is an exploded schematic view of a projector employing a dustproof structure of a projector according to an embodiment of the present invention;
fig. 2 is a partial perspective view of a projector adopting a dustproof structure of the projector according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a middle case of a dustproof structure of a projector according to an embodiment of the present invention;
fig. 4 is a schematic top view of a part of a projector adopting a dustproof structure of a projector according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a housing of a dustproof structure of a projector according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 2, the dustproof structure of the projector includes a housing 1 for mounting an optical imaging device 5, the housing 1 has a plurality of through holes communicating with the outside, a dustproof mesh 4 disposed at each of the plurality of through holes, a middle case 2 disposed above the optical imaging device 5, a dust removing groove 21 disposed on the middle case 2, and a dust removing cover plate 3 disposed above the dust removing groove 21 and connected to the middle case 2. A plurality of through-holes go out the sound hole including the loudspeaker that is used for radiating vent and projecting apparatus, according to the model of projecting apparatus and the difference of design, the quantity of through-hole is also different, consequently is in the utility model discloses it is right in the quantity of dust screen 4 does not do the injecing.
Referring to fig. 5, in the utility model discloses in, the dust screen 4 is used for preventing that external dust from passing through the through-hole on the casing 1 from getting into inside the projecting apparatus, the dust screen 4 can be fixed through the draw-in groove, also can fix in through-hole department through the adhesive, does not do the injecion here. It is understood that the dust-proof net 4 provided at the through hole may be replaced with a dust-proof member having a dust-proof function, such as dust-proof cotton or nonwoven fabric.
After the optical imaging device 5 is installed in the housing 1, the middle shell 2 is fixedly installed above the optical imaging device 5, and the optical imaging device 5 is sealed by the middle shell 2, so that dust is effectively prevented from entering the optical imaging system.
As shown in fig. 3 and 4, the optical imaging device 5 includes a light source, a light flux, a film mirror, an LCD liquid crystal screen, and a reflective mirror, and the dust removing groove 21 is located above the LCD liquid crystal screen. The LCD screen is as the important formation of image part in the LCD projecting apparatus, and LCD screen high temperature can lead to appearing flowing luminance reduction, phenomenon such as black screen, seriously influences the result of use and the life of projecting apparatus, consequently, need dispel the heat to the LCD screen in the LCD projecting apparatus. Therefore, dust can enter the LCD liquid crystal screen along with the heat dissipation airflow, and if the dust is accumulated on the display screen, dust spots appear on a projected image, so that the use effect is influenced. Through the dust removal groove 21 that is located LCD screen top can carry out the dust removal operation to the LCD screen when the dust enters into LCD screen department, further assurance projecting apparatus's formation of image effect.
Referring to fig. 4, a dust suction area 11 is disposed on the housing 1, and the dust suction area 11 is located below the dust removing groove 21. Dust absorption district 11 is arranged in the both sides of LCD liquid crystal screen, and is concrete, and the LCD liquid crystal screen is fixed in casing 1, and the both sides of LCD liquid crystal screen are preceding phenanthrene mirror and back phenanthrene mirror respectively, and when dispelling the heat to the LCD liquid crystal screen, the heat dissipation air current can pass through the both sides of LCD liquid crystal screen, and the dust of passing through the LCD liquid crystal screen both sides can be adsorbed effectively in the dust absorption district 11 of locating LCD liquid crystal screen both sides.
Dust absorption glue is arranged on the dust absorption area 11. Dust is adsorbed on the dust absorption area 11 through dust absorption glue, and the projection effect is prevented from being influenced by the dust. The utility model discloses in, the dust absorption is glued to be meant to have stickness and be difficult for solidifying or can keep the gluing agent of stickness for a long time, can adopt the non-setting adhesive to paint as the dust absorption glue for example the dust absorption district 11. It is understood that the adhesive can be used as a dust-absorbing adhesive as long as the adhesive can meet the above requirements.
The dust removal cover plate 3 is fixed on the middle shell 2 through screws. The dustproof cover plate is fixed on the middle shell 2 in a detachable mode, and is matched with the middle shell 2 to seal the optical imaging device 5 at ordinary times. When removing dust, open dust removal apron 3 and remove dust through the dust of blowing or the mode that induced drafts to display screen department, blow and blow the dust of display screen department to dust absorption district 11, glue through the dust absorption that sets up at dust absorption district 11 and adsorb the dust, reach the effect of dust removal, can also reach the effect of dust removal through the mode that induced drafts with the dust suction in addition.
The dustproof construction of projecting apparatus prevents the entering of dust through setting up the dust screen 4 in through-hole department on the one hand and influences electronic component's work, seals optical imaging device 5 through mesochite 2, prevents the influence of dust to optical imaging device 5, and on the other hand can open the dust removal apron 3 that is located on dust removal groove 21 and remove dust to the dust of display screen department, further assurance the normal work of projecting apparatus.
The beneficial effects of the utility model include at least:
(1) the dust screen 4 arranged at the through hole prevents external dust from entering the projector;
(2) the optical imaging device 5 is sealed by the middle shell 2 arranged above the optical imaging device 5, and dust is further prevented from entering the optical imaging device 5;
(3) the dust removal operation can be performed on the optical imaging device 5 through the dust removal groove 21 arranged on the middle shell 2, and the imaging effect of the projector is further guaranteed.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the embodiments of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the embodiments of the present invention.
In the description of the present specification, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (4)
1. The utility model provides a dustproof construction of projecting apparatus, its characterized in that, dustproof construction of projecting apparatus is including the casing that is used for installing optical imaging device, the casing has a plurality of through-holes with external intercommunication, locates the dust screen of each through-hole department of a plurality of through-holes locates the mesochite of optical imaging device top, is located dust removal groove on the mesochite, and locate dust removal groove top with the dust removal apron that the mesochite is connected.
2. The dustproof structure of a projector according to claim 1, wherein the optical imaging device includes a light source, a light flux, a phenanthrene mirror, an LCD liquid crystal screen, and a reflective mirror, and the dust removal groove is located above the LCD liquid crystal screen.
3. The dustproof structure of a projector according to claim 2, wherein a dust suction area is provided on the housing, a dust suction adhesive is provided on the dust suction area, and the dust suction area is located below the dust removal groove.
4. The dustproof structure of a projector according to claim 1, wherein the dust-removing cover plate is fixed to the middle case by screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123272460.4U CN216434657U (en) | 2021-12-23 | 2021-12-23 | Dustproof construction of projecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123272460.4U CN216434657U (en) | 2021-12-23 | 2021-12-23 | Dustproof construction of projecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216434657U true CN216434657U (en) | 2022-05-03 |
Family
ID=81318873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123272460.4U Active CN216434657U (en) | 2021-12-23 | 2021-12-23 | Dustproof construction of projecting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216434657U (en) |
-
2021
- 2021-12-23 CN CN202123272460.4U patent/CN216434657U/en active Active
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