CN104765229B - A kind of dustproof filter structure of projector and projector with the structure - Google Patents
A kind of dustproof filter structure of projector and projector with the structure Download PDFInfo
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- CN104765229B CN104765229B CN201410002635.5A CN201410002635A CN104765229B CN 104765229 B CN104765229 B CN 104765229B CN 201410002635 A CN201410002635 A CN 201410002635A CN 104765229 B CN104765229 B CN 104765229B
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- Prior art keywords
- air inlet
- projector
- bracket
- filter screen
- dustproof
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- 238000001914 filtration Methods 0.000 claims description 22
- 239000007787 solid Substances 0.000 claims description 8
- 239000004745 nonwoven fabric Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 23
- 230000000694 effects Effects 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 5
- 230000003287 optical effect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 49
- 238000010586 diagram Methods 0.000 description 11
- 238000009825 accumulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002355 dual-layer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2275/10—Multiple layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
- B01D2279/45—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for electronic devices, e.g. computers, hard-discs, mobile phones
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a kind of dustproof filter structures, comprising: outer filter net, spatially shape；Outer filter net bracket, spatially shape, the outer filter net bracket fix the outer filter net, and with air inlet；Internal layer filter screen, in planar, the internal layer filter screen is close to air inlet of projector；Internal layer filter screen stand is integrated with outer filter net bracket assembly, and connect with projector casing.The present invention uses three-dimensional dustproof construction; when air stream is by the filter screen of air inlet and three-dimensional shape; the particles such as dust, impurity in air stream can not be deposited on filter screen; a possibility that filter hole is plugged and area reduce; air can move smoothly through internal layer filter screen; and the dust filtered on internal layer filter screen can be many less; therefore dust-proof effect of the invention enhancing; the service life of filter screen can be extended; the workload of replacement and cleaning filter screen is reduced, while protecting the various electronic components and optical element of projector.
Description
Technical field
The present invention is related with projection arrangement, particularly belongs to a kind of dustproof filter structure of projector and the throwing with the structure
Shadow machine.
Background technique
Currently, either liquid crystal display (abbreviation LCD) projector, or digital light processing (abbreviation DLP) projector, base
In projector's image-forming principle, its internal moment requires and keeps good ventilation at work for projector, while again to using ring
There are relatively high requirement, especially internal optical component in border, is highly prone to the influence of the particles such as dust in air, impurity,
Cause imaging effect bad.When projector cools down fuselage with the air mass flow of several decaliters per minute, dust, impurity etc.
Particle just enters the inside of projector together with the air of circulation, if these particles are excessive in electronic component accumulated inside,
Induction sensitivity can be then reduced, causes electrical component temperature to increase even component and burns out, the performance of complete machine is influenced, if entered
Light-path part will directly result in picture quality decline even component damage, therefore, projector require have it is good
Good anti-dust performance.
Dust guard is arranged in existing projector usually at its air inlet, which generally comprises filtration members, consolidates
The fixed filtration members and the frame being connect with projector, wherein filtration members be mostly sponge or nonwoven cloth material filter screen or
Dust-proof guard, and frame is then flase floor or the plastic casing with several air inlets.The current most common dust guard is more
It is the filter screen that a layer plane type is set in flase floor or shell, such as CN202548514U, or two layers of filter screen is superimposed
It uses together.In use, it is influenced by air inlet wind-force and gravity, the particles such as dust, impurity are easy to accumulate
At the position of the filtering certain fixations of net surface, such as accumulation for a long time will reduce dust-proof effect without cleaning, and continually
The service life of anti-dust filter mesh can be accelerated to remove dust again by dismounting filter screen, while increase the workload of dismounting, therefore, mesh
The preceding dust guard filter effect applied in projector is poor, needs often to clean maintenance, structure is urgently improved.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of dustproof filter structure of projector and with the structure
Dust-proof effect can be enhanced in projector, avoids dust accretions in local location, extends cleaning cycle and service life.
In order to solve the above technical problems, a kind of dustproof filter structure of projector provided by the invention, the dustproof filter
Structure is mounted at the air inlet of projector, which includes filter screen and the bracket for fixing the filter screen, the filter screen
It is three-dimensional polyhedral structure with bracket, and there is air inlet on bracket；
When the air inlet of the projector is located at the top of projector, dustproof filter structure is located at the top of air inlet,
The air inlet is located at the side of bracket, and the cradle top surface opposite with air inlet is an inclined closure plane；
When the air inlet of the projector is located at the side of projector, dustproof filter structure is located at the outside of air inlet,
The air inlet is located at the side and bottom surface of bracket, and the top surface of bracket is an inclined closure plane；
Again alternatively, dustproof filter structure is located at air inlet when the air inlet of the projector is located at the bottom of projector
Lower section, the air inlet is located at the side and the bottom surface opposite with air inlet of bracket.
Additionally, the air inlet of the projector is located at the top of projector, and dustproof filter structure is located at the upper of air inlet
Side, the air inlet are located at trailing flank and the left and right sides of bracket, and the trailing flank of bracket is higher than the leading flank of bracket.
Further, the bracket includes inner housing and assembles the outer housing being integrated, the mistake with the inner housing
Strainer clamps between inner housing and outer housing and by inner housing and outer housing, and the inner housing and outer housing are with corresponding
Air inlet.
Wherein, the filter screen is made of sponge or filter paper or non-woven fabrics.
Another dustproof filter structure of projector provided by the invention, comprising:
Outer filter net, spatially shape；
Outer filter net bracket, spatially shape, the fixed outer filter net of the outer filter net bracket, and have
Air inlet；
Internal layer filter screen, in planar, the internal layer filter screen close to air inlet of projector, and the outer filter net and
A solid space is formed between internal layer filter screen；
Internal layer filter screen stand is integrated with outer filter net bracket assembly, and connect with projector casing.
In said structure, the internal layer filter screen stand is vane type or grating type.
Further, the outer filter net and outer filter net bracket are polyhedral structure.
Preferably, the air inlet of the projector is located at the top of projector, and dustproof filter structure is located at the upper of air inlet
Side, the air inlet of the outer filter net bracket are located at the side of bracket, and the cradle top surface opposite with air inlet is one inclined
Closure plane.
Additionally, the air inlet is located at trailing flank and the left and right sides of outer filter net bracket, the outer filter
The trailing flank of net bracket is higher than the leading flank of bracket.
Further, the outer filter net bracket includes inner housing and assembles the shell being integrated with the inner housing
Body, the outer filter net clamp between inner housing and outer housing and by inner housing and outer housing, the inner housing and outer
Shell has corresponding air inlet.
In the above-mentioned technical solutions, the internal layer filter screen and outer filter net are made of sponge or filter paper or non-woven fabrics.
According to another aspect of the present invention, a kind of projector is provided, comprising:
Camera lens, for projecting image；
Casing accommodates camera lens, and has the air inlet of the opening and corresponding cooling system corresponding to camera lens；And
Dustproof filtering device, for filtering the air stream for entering air inlet,
Wherein, the dustproof filtering device includes filter screen and the bracket for fixing the filter screen, the filter screen and branch
Frame is stereochemical structure, and has air inlet on bracket, and the bracket is connect with casing.
According to another aspect of the present invention, another projector is provided, comprising:
Camera lens, for projecting image；
Casing accommodates camera lens, and has the air inlet of the opening and corresponding cooling system corresponding to camera lens；And
Dustproof filtering device, for filtering the air stream for entering air inlet,
Wherein, the dustproof filtering device includes:
Outer filter net, spatially shape；
Outer filter net bracket, spatially shape, the fixed outer filter net of the outer filter net bracket, and have
Air inlet；
Internal layer filter screen, in planar, the internal layer filter screen is close to air inlet of projector；
Internal layer filter screen stand is integrated with outer filter net bracket assembly, and connect with projector casing.
The present invention is changed traditional plane formula dustproof filter mode and is passed through using three-dimensional dustproof construction in air stream
When the filter screen of air inlet and three-dimensional shape, the particles such as dust, impurity in air stream can not be deposited on three-dimensional filter screen.
Certainly, more preferably double-layer filter structure use three-dimensional outer filter net combination conventional planar internal layer filter screen, two
A solid space can be formed between person, dust can not be deposited in outer filter net, outer filter online filtering when air inlet
Hole can be substantially reduced by the area that dust is blocked, and air stream is empty by the solid between outer filter net and two layers of filter screen
Between after dust can be further reduced, allow air to move smoothly through internal layer filter screen, and the ash filtered on internal layer filter screen
Dirt can be many less.It can be seen that dust-proof effect of the invention significantly increases, dust is not easy to accumulate, therefore can extend filter screen
Service life, reduce replacement and cleaning filter screen workload, while protect projector various electronic components and optics member
Part extends the service life of projector.
Detailed description of the invention
Fig. 1 is the schematic diagram of the projector with dustproof filter structure of embodiment according to the present invention；
Fig. 2 is the decomposition diagram of the dustproof filter structure of embodiment according to the present invention；
Fig. 3 is the schematic diagram of the internal layer filter screen of embodiment according to the present invention；
Fig. 4 is the schematic diagram of the internal layer filter screen stand of embodiment according to the present invention；
Fig. 5 is the schematic diagram of inner housing in the outer filter net bracket of embodiment according to the present invention；
Fig. 6 is the schematic diagram of the outer filter net of embodiment according to the present invention；
Fig. 7 is the schematic diagram of outer housing in the outer filter net bracket of embodiment according to the present invention；
Fig. 8 is the stereoscopic schematic diagram of the dustproof filter structure of embodiment according to the present invention, wherein dustproof filter structure
Summit portion is upwardly oriented；
Fig. 9 is the stereoscopic schematic diagram of the dustproof filter structure of embodiment according to the present invention, wherein dustproof filter structure
Bottom surface portions are outwardly oriented；
Figure 10 is the outer layer dustproof filter structure of embodiment according to the present invention and the signal of internal layer filter screen stand assembling
Figure；
Figure 11 is the schematic diagram of the outer layer dustproof filter structure of embodiment according to the present invention.
Wherein the reference numerals are as follows:
10 camera lens, 20 casing
100 dustproof filtering device, 110 outer housing
112 outer housing of air inlet of 111 outer housings buckles
120 outer filter net, 121 through-hole
The air inlet of 130 inner housing, 131 inner housing
132 chuck, 133 inner housing buckle
140 internal layer filter screen stand, 141 connection buckle
142 gate hole, 143 fixture block
150 internal layer filter screens
Specific embodiment
Present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
Dustproof filter structure provided by the invention is mounted in projector, due to projector at work its internal request when
It carves and keeps good ventilation, therefore there is air inlet on the casing of projector, the air through dustproof filter structured filter passes through air inlet
Mouth enters casing internal and cools down to optical component and electronic component.Fig. 1 is that dustproof filter structure is mounted at the top of projector
Schematic diagram, in the following embodiments, previous-next direction is defined as the direction with horizontal plane, and front-rear direction is determined
Justice be the direction substantially parallel and vertical with previous-next direction with the direction of 10 projected light of camera lens, L-R direction be defined as with
Previous-next direction and the vertical direction of front-rear direction, in Fig. 1, the air inlet of projector be located at the top of projector (on
Side), therefore dustproof filter structure is mounted on the top of projector, camera lens 10 is stretched out from the front of casing 20.
Presently in connection with Fig. 2 to Figure 11 and specific embodiment the dustproof filter structure that the present invention will be described in detail.
Fig. 2 shows be dustproof filter structure using double medium filtration mode, comprising:
Outer filter net 120, spatially shape；
Outer filter net bracket, spatially shape, the outer filter net bracket fix the outer filter net 120, and
With air inlet；
Internal layer filter screen 150, the internal layer filter screen 150 is close to air inlet of projector；
Internal layer filter screen stand 140 is integrated with outer filter net bracket assembly, and is connected with projector casing 20
It connects.
Wherein, outer filter net 120 and outer filter net bracket are polyhedral structure, in the present embodiment substantially in side
The hood shape of shape.A solid space is formed between the outer filter net 120 and internal layer filter screen 150.
Further, as shown in Fig. 2, outer filter net bracket includes inner housing 130 and fills with the inner housing 130
With the outer housing 110 being integrated, the outer filter net 120 is between inner housing 130 and outer housing 110 and by inner housing
130 and outer housing 110 be fixedly clamped.
Fig. 3 is clearly shown internal layer filter screen 150 in planar.
As shown in figure 4, internal layer filter screen stand 140 is grating type, there is several gate hole 142, the width of the gate hole 142 thereon
Degree and length, which can according to need, is designed to same size or different size.
Fig. 4, Fig. 8 and Fig. 9 be clearly shown, internal layer filter screen stand 140 also has and the fixed company of projector casing 20
Buckle 141 is connect, convenient for installation of the dustproof filter structure on casing 20 and replacement cleaning filter screen etc..
Can be seen that 140 bottom of internal layer filter screen stand from Fig. 9 and Figure 10 has extension edge, has on extension edge multiple
Fixture block 143, these fixture blocks 143 have certain gap, internal layer filter screen between the face of gate hole 142 and the bottom surface of gate hole 142
150 are mounted in the bottom of internal layer filter screen stand 140, and between 142 bottom surface of fixture block 143 and gate hole.
In addition to this, internal layer filter screen stand 140 can also use vane type or other shapes.
Since the top surface of the outer housing 110 of outer filter net bracket is easiest to accumulation dust, therefore the top surface is designed to
Skewed closure plane, the trailing flank of outer housing 110 is higher than leading flank, therefore top surface is tilted down from rear to preceding, in this way can be with
Slide dust along sloped top face, as illustrated in figures 1 and 8.Fig. 7 clearly indicates that outer housing 110 in outer filter net bracket
Structure, medial surface have buckle 112, be designed as two outer housing fixture blocks 112 in the present embodiment.Meanwhile with the present embodiment
Subject to middle air inlet of projector is located at the top of projector, the left and right sides of outer housing 110 and trailing flank are provided with air inlet
111, these air inlets 111 are each perpendicular to horizontal plane.
As shown in fig. 6, there are two through-holes 121 for the top surface tool of outer filter net 120, the two through-holes 121 are for outer housing card
Button 112 passes through outer filter net 120.
Fig. 5 clearly gives the structure of inner housing 130 in outer filter net bracket, the inside mask of the inner housing 130
There is the chuck 132 matched with outer housing buckle 112, can be convenient and outer housing 110 and inner housing 130 are quickly assembled into one
Body, as shown in figure 11.Meanwhile inner housing 130 left and right sides and trailing flank be also provided with air inlet 131, these air inlets 131
It is corresponding with the air inlet 111 of outer housing.In addition, the medial surface of inner housing 130 also has several buckles 133, these buckles 133
Including the outer filter net bracket of assembly one can be quickly installed by the cooperation of gate hole 142 with internal layer filter screen stand 140
On layer filter screen stand 140, as shown in Figure 10.
In said structure, the shapes and sizes of the air inlet 111 of the air inlet 131 and outer housing 110 of inner housing 130 can
To design as needed.
The material of internal layer filter screen 150 and outer filter net 120 can be sponge or filter paper or non-woven fabrics etc..
Further, it is understood that between outer housing 110 and inner housing 130, internal layer filter screen stand 140 and casing 20
Between, can also be connected by other type structures between inner housing 130 and internal layer filter screen stand 140, such as groove coupling knot
Structure.
Certainly, it if the air inlet of projector is opened in the other positions of casing 20, can be installed according to specific location dust-proof
Filter structure, if air inlet is located at the side of casing 20, dustproof filter structure is located at the outside of air inlet, and air inlet is located at outer layer
The top surface of left side, leading flank, trailing flank and the bottom surface of filter screen stand, bracket is an inclined closure plane, and works as air inlet
When mouth is located at the bottom of casing 20, then dustproof filter structure may be provided at the bottom of casing, air inlet can then be located at outer layer
On each face (i.e. four sides and the bottom surface opposite with air inlet) of filter screen stand.
Above-mentioned dustproof filter structure is Dual-layer three-dimensional type, and the outer filter net of neutral body combines traditional plane internal layer mistake
Strainer, can form therebetween a solid space, and dust can not be deposited in outer filter net when air inlet, and outer filter is online
Filter hole can be substantially reduced by the area that dust is blocked, and air stream pass through between outer filter net and two layers of filter screen
Dust can be further reduced after solid space, allow air to move smoothly through internal layer filter screen, and mistake on internal layer filter screen
The dust of filter can be many less.
Certainly, which can split use, the i.e. three-dimensional dustproof filter knot of outer layer according to the actual situation
Structure can be used alone in projector, and internal layer plane formula dustproof filter structure can also be used alone in projector (at present
It is used in projector), as long as meeting the normal work requirement of projector.
On the basis of the said structure, outer layer dustproof filter structure can be further simplified, will such as only with single hull
Outer filter net is fixed in single hull in single hull, or using other fixing pieces by outer filter net with gluing knot
Etc., principle, function and effect are identical as double-layer shell structure, belong to common structure for a person skilled in the art, therefore
No longer illustrate.
The present invention has been described in detail through specific embodiments, which is only of the invention preferable
Embodiment not limits the invention.Without departing from the principles of the present invention, those skilled in the art is to branch
The structure and shape of frame, the distribution of air inlet, between bracket and the connection structure between bracket and casing etc. make it is equivalent
Displacement and improvement, are regarded as in the technology scope that the present invention is protected.
Claims (15)
1. a kind of dustproof filter structure of projector, the dustproof filter structure is mounted at the air inlet of projector, feature
It is, which includes filter screen and the bracket for fixing the filter screen, and the filter screen and bracket are three-dimensional polyhedron
Structure, and there is air inlet on bracket；The air inlet of projector is located at the top of projector, side or bottom；
When the air inlet of the projector is located at the top of projector, dustproof filter structure is located at the top of air inlet, described
Air inlet is located at the side of bracket, and the cradle top surface opposite with air inlet is an inclined closure plane；
When the air inlet of the projector is located at the side of projector, dustproof filter structure is located at the outside of air inlet, described
Air inlet is located at the side and bottom surface of bracket, and the top surface of bracket is an inclined closure plane；
When the air inlet of the projector is located at the bottom of projector, dustproof filter structure is located at the lower section of air inlet, described
Air inlet is located at the side and the bottom surface opposite with air inlet of bracket.
2. the dustproof filter structure of projector according to claim 1, which is characterized in that the air inlet position of the projector
In the top of projector, dustproof filter structure is located at the top of air inlet, and the air inlet is located at the trailing flank and left and right of bracket
Two sides, the trailing flank of bracket are higher than the leading flank of bracket.
3. the dustproof filter structure of projector according to claim 1, which is characterized in that the bracket include inner housing with
And assemble the outer housing that is integrated with the inner housing, the filter screen positioned at inner housing and outer housing between and by inner housing with
Outer housing clamps, and the inner housing and outer housing have corresponding air inlet.
4. the dustproof filter structure of projector according to claim 1, which is characterized in that the filter screen is by sponge or filter
Paper or non-woven fabrics are made.
5. the dustproof filter structure of projector according to claim 1, which is characterized in that the bracket is by buckle and throws
The casing of shadow machine connects.
6. a kind of dustproof filter structure of projector, the dustproof filter structure is mounted at the air inlet of projector, feature
It is, comprising:
Outer filter net, spatially shape；
Outer filter net bracket, spatially shape, the outer filter net bracket fix the outer filter net, and with air inlet
Mouthful；
Internal layer filter screen, in planar, the internal layer filter screen is close to air inlet of projector, and the outer filter net and internal layer
A solid space is formed between filter screen；
Internal layer filter screen stand is integrated with outer filter net bracket assembly, and connect with projector casing.
7. the dustproof filter structure of projector according to claim 6, which is characterized in that the internal layer filter screen stand is
Vane type or grating type.
8. the dustproof filter structure of projector according to claim 6, which is characterized in that the outer filter net and outer layer
Filter screen stand is polyhedral structure.
9. the dustproof filter structure of projector according to claim 8, which is characterized in that the air inlet position of the projector
In the top of projector, dustproof filter structure is located at the top of air inlet, and the air inlet of the outer filter net bracket is located at branch
The side of frame, the cradle top surface opposite with air inlet are an inclined closure plane.
10. the dustproof filter structure of projector according to claim 9, which is characterized in that the air inlet is located at outer layer
The trailing flank of filter screen stand and left and right sides, the trailing flank of the outer filter net bracket are higher than the leading flank of bracket.
11. the dustproof filter structure of projector according to claim 6, which is characterized in that the outer filter net bracket
The outer housing being integrated is assembled including inner housing and with the inner housing, the outer filter net is located at inner housing and outer housing
Between and clamped by inner housing and outer housing, the inner housing and outer housing have corresponding air inlet.
12. the dustproof filter structure of projector according to claim 6, which is characterized in that the internal layer filter screen and outer
Layer filter screen is made of sponge or filter paper or non-woven fabrics.
13. the dustproof filter structure of projector according to claim 6, which is characterized in that the internal layer filter screen stand
It is connect by buckling with casing, the outer filter net bracket is connect by buckle with internal layer filter screen stand.
14. a kind of projector characterized by comprising
Camera lens, for projecting image；
Casing accommodates camera lens, and has the air inlet of the opening and corresponding cooling system corresponding to camera lens；And
Dustproof filtering device, for filtering the air stream for entering air inlet,
Wherein, the dustproof filtering device includes filter screen and the bracket for fixing the filter screen, and the filter screen and bracket are equal
For three-dimensional polyhedral structure, and there is air inlet on bracket, the bracket is connect with casing；The air inlet of projector, which is located at, to be thrown
The top of shadow machine, side or bottom；
When the air inlet of the projector is located at the top of projector, dustproof filtering device is located at the top of air inlet, described
Air inlet is located at the side of bracket, and the cradle top surface opposite with air inlet is an inclined closure plane；
When the air inlet of the projector is located at the side of projector, dustproof filtering device is located at the outside of air inlet, described
Air inlet is located at the side and bottom surface of bracket, and the top surface of bracket is an inclined closure plane；
When the air inlet of the projector is located at the bottom of projector, dustproof filtering device is located at the lower section of air inlet, described
Air inlet is located at the side and the bottom surface opposite with air inlet of bracket.
15. a kind of projector characterized by comprising
Camera lens, for projecting image；
Casing accommodates camera lens, and has the air inlet of the opening and corresponding cooling system corresponding to camera lens；And
Dustproof filtering device, for filtering the air stream for entering air inlet,
Wherein, the dustproof filtering device includes:
Outer filter net, spatially shape；
Outer filter net bracket, spatially shape, the outer filter net bracket fix the outer filter net, and with air inlet
Mouthful；
Internal layer filter screen, in planar, the internal layer filter screen is close to air inlet of projector, and the outer filter net and internal layer
A solid space is formed between filter screen；
Internal layer filter screen stand is integrated with outer filter net bracket assembly, and connect with projector casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410002635.5A CN104765229B (en) | 2014-01-03 | 2014-01-03 | A kind of dustproof filter structure of projector and projector with the structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410002635.5A CN104765229B (en) | 2014-01-03 | 2014-01-03 | A kind of dustproof filter structure of projector and projector with the structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104765229A CN104765229A (en) | 2015-07-08 |
| CN104765229B true CN104765229B (en) | 2018-12-04 |
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| CN201410002635.5A Expired - Fee Related CN104765229B (en) | 2014-01-03 | 2014-01-03 | A kind of dustproof filter structure of projector and projector with the structure |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105704964A (en) * | 2016-05-04 | 2016-06-22 | 国网江苏省电力公司苏州供电公司 | Dust cover for electric power information switch |
| CN206115124U (en) * | 2016-09-05 | 2017-04-19 | 深圳市光峰光电技术有限公司 | Dustproof filtration and have its projection arrangement |
| CN110230625B (en) * | 2018-03-06 | 2021-09-21 | 深圳光峰科技股份有限公司 | Locking device, dustproof assembly and projection equipment |
| CN108828881A (en) * | 2018-09-06 | 2018-11-16 | 贵州新蒲几米电子科技有限公司 | A kind of laser-projector |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5766316A (en) * | 1996-05-21 | 1998-06-16 | Gates; Cassen L. | Electronic device cooling air filter and method thereof |
| CN101685244A (en) * | 2008-09-26 | 2010-03-31 | 松下电器产业株式会社 | Projection type image display device |
| CN103328071A (en) * | 2011-01-31 | 2013-09-25 | 松下电器产业株式会社 | Dust collection filter unit, projection image display device, and air cleaner |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007264247A (en) * | 2006-03-28 | 2007-10-11 | Seiko Epson Corp | Projector |
| WO2011027424A1 (en) * | 2009-09-02 | 2011-03-10 | Ｎｅｃディスプレイソリューションズ株式会社 | Dust collecting apparatus, electronic apparatus and projection display apparatus both having same, and dust collecting method |
| CN202548514U (en) * | 2012-03-23 | 2012-11-21 | 海信集团有限公司 | Dust-proof structure for projector and projector |
| CN203164588U (en) * | 2013-04-02 | 2013-08-28 | 河南中富康数显有限公司 | A novel projector dust cover |
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- 2014-01-03 CN CN201410002635.5A patent/CN104765229B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5766316A (en) * | 1996-05-21 | 1998-06-16 | Gates; Cassen L. | Electronic device cooling air filter and method thereof |
| CN101685244A (en) * | 2008-09-26 | 2010-03-31 | 松下电器产业株式会社 | Projection type image display device |
| CN103328071A (en) * | 2011-01-31 | 2013-09-25 | 松下电器产业株式会社 | Dust collection filter unit, projection image display device, and air cleaner |
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| CN104765229A (en) | 2015-07-08 |
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