CN110327711A - A kind of multimedia teaching synchronized dust removal dehumidifying projection screen - Google Patents
A kind of multimedia teaching synchronized dust removal dehumidifying projection screen Download PDFInfo
- Publication number
- CN110327711A CN110327711A CN201910489553.0A CN201910489553A CN110327711A CN 110327711 A CN110327711 A CN 110327711A CN 201910489553 A CN201910489553 A CN 201910489553A CN 110327711 A CN110327711 A CN 110327711A
- Authority
- CN
- China
- Prior art keywords
- dust
- projection screen
- shell
- multimedia teaching
- driven shaft
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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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Classifications
-
- 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
-
- 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
- G03B21/54—Accessories
Abstract
The present invention relates to projection screen technical fields, specifically a kind of multimedia teaching synchronized dust removal dehumidifying projection screen, including shell and dust filtering case, gear cavity and equipment cavity are respectively arranged at left and right sides of the inside of the shell, driven gear and driving gear are separately installed on driven shaft and driving shaft in gear cavity, the driving motor driving rotation that driving shaft is arranged by hull outside, cleaning brush and curtain are separately installed on driven shaft and driving shaft in equipment cavity, the bottom of shell is also provided with the strip-shaped hole passed through for curtain, the front and rear sides of strip-shaped hole offer several dried holes；One end of driven shaft is connect by rotary connector with exhaust column, and exhaust column also passes through exhaust fan and connect with dust filtering case, and several dried holes are connect by discharge pipe with dust filtering case.The present invention can be dusted and dehumidify to projection screen simultaneously, and energy conservation and environmental protection increases the quality of multimedia teaching.
Description
Technical field
The present invention relates to projection screen technical field, specifically a kind of multimedia teaching synchronized dust removal dehumidifying projection screen
Curtain.
Background technique
Projection screen is one of product most-often used in projector's peripheral equipment, and projection screen is the abbreviation of projection screen；
If projection screen and proper, the available good drop shadow effect of collocation, projector.Currently, multimedia teaching is often used
Projector and projection screen, common projection screen are fixed on metope or on blackboard, after present projection screen is used for multiple times,
The surface of curtain can accumulate full dust, and the prolonged dust that accumulates just will affect the clarity of curtain projection；In addition, curtain can also go out
The phenomenon that existing moist mildew, influences whether the quality of teaching.
Therefore, for the above status, there is an urgent need to develop one kind projection screen to be dusted and be dehumidified simultaneously, energy conservation
The multimedia teaching of environmental protection synchronized dust removal dehumidifying projection screen, to overcome the shortcomings of in currently practical application.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of multimedia teaching synchronized dust removal dehumidifying projection screen, to solve
The problems mentioned above in the background art.
To achieve the above object, the embodiment of the present invention provides the following technical solutions:
A kind of multimedia teaching synchronized dust removal dehumidifying projection screen, including shell and dust filtering case, the inside upper part of the shell
It is respectively arranged with driven shaft and driving shaft with lower part, is respectively arranged with gear cavity and equipment at left and right sides of the inside of the shell
Chamber is separately installed with driven gear and driving gear, and driven gear and master on the driven shaft and driving shaft in the gear cavity
Moving gear engagement connection, the driving motor driving that the driving shaft is arranged by hull outside rotates, driven in the equipment cavity
Cleaning brush and curtain are separately installed on axis and driving shaft, the bottom of the shell is also provided with the bar shaped passed through for curtain
Hole, the front and rear sides of the strip-shaped hole offer several dried holes；The dust filtration case is fixedly installed on the outside of shell, it is described from
One end of moving axis is connect by rotary connector with exhaust column, and exhaust column also passes through exhaust fan and connect with dust filtering case, several described
Dried hole is connect by discharge pipe with dust filtering case.
As a further solution of the present invention: the driven shaft and driving shaft are arranged in parallel, driven shaft and driving shaft and shell
Body is rotatablely connected by bearing.
As a further solution of the present invention: the inside upper part of the dust filtration case is equipped with the deflector that left end tilts down,
The lower inside of the dust filtration case is equipped with the acclivitous filter assemblies in left end, and the right end upside of the filter assemblies is in dust filtering case
Being horizontally disposed on right side wall has dust leg, and the right end of dust leg is provided with sealing cover.
As a further solution of the present invention: the left end of the deflector and 10~20cm of inner left wall interval of dust filtering case
Setting；The filter assemblies and deflector are identical as the corner dimension of horizontal plane, the left end of the deflector and hanging down for deflector
Straight distance is 5~10cm.
As a further solution of the present invention: the filter assemblies include the carbon fibre web set gradually from top to bottom,
HEPA high efficiency particulate air and rigid protection net.
As a further solution of the present invention: several dedusting holes are also provided on the driven shaft in the equipment cavity, it is several
The dedusting hole is connected to by rotary connector with exhaust column, and the other end of the exhaust column is connected to the air inlet of exhaust fan
On, exhaust fan is fixedly installed on the top of dust filtering case, and the air outlet of exhaust fan is connected to setting with the upside space right end of deflector.
As a further solution of the present invention: the bottom of the shell offers toroidal cavity on the outside of strip-shaped hole, several
The dried hole is connected to setting with toroidal cavity, and one end of the discharge pipe is connected to setting with toroidal cavity, discharge pipe it is another
One end is connected to the bottom of dust filtering case and is connected to setting with the lower side space of filter assemblies, is additionally provided on the inside of the discharge pipe
Spiral heating wire.
Compared with prior art, the beneficial effect of the embodiment of the present invention is:
Multimedia teaching synchronized dust removal dehumidifying projection screen, can drive driven shaft and active by a driving motor simultaneously
Axis rotation, i.e., while curtain folding and unfolding, clean curtain by cleaning brush；Pass through control exhaust fan work, cleaning brush
The dust that place cleans can be inhaled into dust filtering case by dedusting hole and exhaust column, can be to being mingled with by the deflector in dust filtering case
The air conducting of dust filters out the dust in air by filter assemblies, and is collected storage by dust leg, in dust filtering case
Extra air can be discharged by discharge pipe, and controllable spiral heating wire heats the air flowed through in discharge pipe, pass through annular
Cavity is discharged from each dried hole after distributing hot-air and dehumidifying is dried to curtain.
In conclusion the device can be dusted and dehumidify to projection screen simultaneously, energy conservation and environmental protection increases multimedia religion
Quality.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the embodiment of the present invention.
Fig. 2 is schematic diagram of main cross-sectional structure of the embodiment of the present invention.
Fig. 3 looks up schematic cross-sectional view for middle housing part of the embodiment of the present invention.
Fig. 4 is the schematic cross-sectional view of dust filtering box part in the embodiment of the present invention.
In figure: 1- driving motor, 2- shell, 3- discharge pipe, 4- rotary connector, 5- exhaust column, 6- exhaust fan, 7- dust
Pipe, 8- dust filtering case, 9- driven gear, 10- gear cavity, 11- driving gear, 12- driven shaft, 13- cleaning brush, 14- dedusting hole,
15- driving shaft, 16- curtain, 17- weight linear meter, 18- strip-shaped hole, 19- dried hole, 20- equipment cavity, 21- deflector, 22- filtering group
Part, 23- spiral heating wire, 24- toroidal cavity.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
The embodiment of this patent is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining this patent, and cannot be understood as a limitation of this patent.
In the description of this patent, it is to be understood that term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship, be merely for convenience of description this patent and simplify description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to this patent.
In the description of this patent, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection ", " setting " shall be understood in a broad sense, for example, it may be being fixedly linked, being arranged, may be a detachable connection, set
It sets, or is integrally connected, is arranged.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in this patent.
Embodiment 1
Please refer to Fig. 1-4, in the embodiment of the present invention, a kind of multimedia teaching is dehumidified projection screen, including shell 2 with synchronized dust removal
With dust filtering case 8, the inside upper part of the shell 2 and lower part are respectively arranged with driven shaft 12 and driving shaft 15, the driven shaft 12
It is arranged in parallel with driving shaft 15, driven shaft 12 and driving shaft 15 and shell 2 are rotatablely connected by bearing, the inside of the shell 2
The left and right sides is respectively arranged with gear cavity 10 and equipment cavity 20, on the driven shaft 12 and driving shaft 15 in the gear cavity 10 respectively
Driven gear 9 and driving gear 11 be installed, and driven gear 9 and the engagement connection of driving gear 11, the driving shaft 15 is by shell
The driving rotation of driving motor 1 being arranged on the outside of body 2, the output shaft of driving motor 1 is connect i.e. by shaft coupling with driving shaft 15
Can, cleaning brush 13 and curtain 16 are separately installed on the driven shaft 12 and driving shaft 15 in the equipment cavity 20, the shell 2
Bottom is also provided with the strip-shaped hole 18 passed through for curtain 16, and the front and rear sides of the strip-shaped hole 18 offer several dried holes
19, hot-air, which is discharged, by dried hole 19 dehumidifying is dried to curtain 16.
The dust filtration case 8 is fixedly installed on the outside of shell 2, one end of the driven shaft 12 by rotary connector 4 with
Exhaust column 5 connects, and exhaust column 5 is also connect by exhaust fan 6 with dust filtering case 8, and several dried holes 19 pass through discharge pipe 3 and filter
Dirt case 8 connects.
Further, in order to promote the stability of curtain 16, the outer end of the curtain 16 is additionally provided with weight linear meter 17.
Embodiment 2
Please refer to Fig. 1-4, the present embodiment difference from example 1 is that:
In the present embodiment, as shown in figure 3, the inside upper part of the dust filtration case 8 is equipped with the deflector 21 that left end tilts down, water conservancy diversion
10~20cm of inner left wall interval of the left end of plate 21 and dust filtering case 8 is arranged, the lower inside of the dust filtration case 8 be equipped with left end to
Upper inclined filter assemblies 22, and the filter assemblies 22 and deflector 21 are identical as the corner dimension of horizontal plane, the water conservancy diversion
The left end of plate 21 and the vertical range of deflector 21 are 5~10cm, and the right end upside of the filter assemblies 22 is in 8 right side of dust filtering case
Being horizontally disposed on wall has dust leg 7, and the right end of dust leg 7 is provided with sealing cover, and the collection of dust is used for by dust leg 7.
Further, the filter assemblies 22 include carbon fibre web, the HEPA high efficiency particulate air set gradually from top to bottom
With rigid protection net, HEPA high efficiency particulate air is its main feature is that air can pass through, but fine particle can not pass through, and pair radius is
0.15 micron or more particle removal efficiency is up to 99.5% or more.
In the present embodiment, the cleaning brush 13 installed on the driven shaft 12 wants that 16 surface of curtain can be cleaned, and
Curtain 16 will not be caused to damage, need to be made of soft material, be also provided on the driven shaft 12 in the equipment cavity 20
Several dedusting holes 14, several dedusting holes 14 are connected to by rotary connector 4 with exhaust column 5, the work of the rotary connector 4
With being to be connected to for realizing several dedusting holes 14 with the rotation between exhaust column 5, it is made of existing structure, it is described
The other end of exhaust column 5 is connected on the air inlet of exhaust fan 6, and exhaust fan 6 is fixedly installed on the top of dust filtering case 8, exhaust fan 6
Air outlet be connected to setting with the upside space right end of deflector 21.
In the present embodiment, the bottom of the shell 2 offers toroidal cavity 24, several dryings on the outside of strip-shaped hole 18
Hole 19 is connected to setting with toroidal cavity 24, and one end of the discharge pipe 3 is connected to setting with toroidal cavity 24, discharge pipe 3 it is another
One end is connected to the bottom of dust filtering case 8 and is connected to setting with the lower side space of filter assemblies 22, as shown in figure 3, the discharge pipe 3
Inside be additionally provided with spiral heating wire 23, the air flowed through in discharge pipe 3 can be heated by spiral heating wire 23, with
Drying effect of the air that promotion is discharged from dried hole 19 to curtain 16.
Multimedia teaching synchronized dust removal dehumidifying projection screen, can drive driven shaft by a driving motor 1 simultaneously
12 and driving shaft 15 rotate, i.e., while 16 folding and unfolding of curtain, curtain 16 is cleaned by cleaning brush 13；It is taken out by control
Blower 6 works, and the dust cleaned at cleaning brush 13 can be inhaled into dust filtering case 8 by dedusting hole 14 and exhaust column 5, passes through filter
Deflector 21 in dirt case 8 can filter out the dust in air by filter assemblies 22, and pass through to the air conducting for being mingled with dust
Dust leg 7 is collected storage, and extra air can be discharged by discharge pipe 3 in dust filtering case 8, can control spiral heating wire 23 right
The air heating flowed through in discharge pipe 3 is discharged from each dried hole 19 to curtain by toroidal cavity 24 to after hot-air distribution
16 are dried dehumidifying.
The above are merely the preferred embodiment of the present invention, it is noted that for those skilled in the art, not
Under the premise of being detached from present inventive concept, several modifications and improvements can also be made, these also should be considered as protection model of the invention
It encloses, these all will not influence the effect and patent practicability that the present invention is implemented.
Claims (7)
1. a kind of multimedia teaching synchronized dust removal dehumidifying projection screen, including shell (2) and dust filtering case (8), it is characterised in that:
The inside upper part of the shell (2) and lower part are respectively arranged with driven shaft (12) and driving shaft (15), the shell (2)
The internal left and right sides is respectively arranged with gear cavity (10) and equipment cavity (20), driven shaft (12) and master in the gear cavity (10)
Driven gear (9) and driving gear (11), and driven gear (9) and driving gear (11) engagement are separately installed on moving axis (15)
Connection, the driving shaft (15) drive rotation by the driving motor (1) being arranged on the outside of shell (2)；
It is separately installed with cleaning brush (13) and curtain (16) on driven shaft (12) and driving shaft (15) in the equipment cavity (20),
The bottom of the shell (2) is also provided with the strip-shaped hole (18) passed through for curtain (16), the front and back two of the strip-shaped hole (18)
Side offers several dried holes (19)；
The dust filtration case (8) is fixedly installed on the outside of shell (2), and one end of the driven shaft (12) passes through rotary connector
(4) it is connect with exhaust column (5), exhaust column (5) is also connect by exhaust fan (6) with dust filtering case (8), several dried holes (19)
It is connect by discharge pipe (3) with dust filtering case (8).
2. multimedia teaching according to claim 1 synchronized dust removal dehumidifying projection screen, which is characterized in that described driven
Axis (12) and driving shaft (15) are arranged in parallel, and driven shaft (12) and driving shaft (15) and shell (2) are rotatablely connected by bearing.
3. multimedia teaching according to claim 1 synchronized dust removal dehumidifying projection screen, which is characterized in that the dust filtration
The inside upper part of case (8) is equipped with the deflector (21) that tilts down of left end, the lower inside of the dust filtration case (8) be equipped with left end to
The right end upside of upper inclined filter assemblies (22), the filter assemblies (22) has in horizontally disposed on dust filtering case (8) right side wall
The right end of dust leg (7), dust leg (7) is provided with sealing cover.
4. multimedia teaching according to claim 3 synchronized dust removal dehumidifying projection screen, which is characterized in that the water conservancy diversion
The left end of plate (21) and the 10~20cm of inner left wall interval of dust filtering case (8) are arranged；The filter assemblies (22) and deflector
(21) identical as the corner dimension of horizontal plane, the vertical range of the left end of the deflector (21) and deflector (21) is 5~
10cm。
5. multimedia teaching according to claim 4 synchronized dust removal dehumidifying projection screen, which is characterized in that the filtering
Component (22) includes the carbon fibre web set gradually from top to bottom, HEPA high efficiency particulate air and rigid protection net.
6. multimedia teaching according to claim 3 synchronized dust removal dehumidifying projection screen, which is characterized in that the equipment
It is also provided with several dedusting holes (14) on driven shaft (12) in chamber (20), several dedusting holes (14) pass through rotary connector
(4) it is connected to exhaust column (5), the other end of the exhaust column (5) is connected on the air inlet of exhaust fan (6), and exhaust fan (6) is solid
Surely it is set to the top of dust filtering case (8), the air outlet of exhaust fan (6) is connected to setting with the upside space right end of deflector (21).
7. multimedia teaching according to claim 6 synchronized dust removal dehumidifying projection screen, which is characterized in that the shell
(2) bottom offers toroidal cavity (24) on the outside of the strip-shaped hole (18), and several dried holes (19) are and toroidal cavity
(24) connection setting, one end of the discharge pipe (3) are connected to setting, the other end connection of discharge pipe (3) with toroidal cavity (24)
In dust filtering case (8) bottom and be connected to setting with the lower side space of filter assemblies (22), also set up on the inside of the discharge pipe (3)
There are spiral heating wire (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910489553.0A CN110327711A (en) | 2019-06-06 | 2019-06-06 | A kind of multimedia teaching synchronized dust removal dehumidifying projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910489553.0A CN110327711A (en) | 2019-06-06 | 2019-06-06 | A kind of multimedia teaching synchronized dust removal dehumidifying projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110327711A true CN110327711A (en) | 2019-10-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910489553.0A Pending CN110327711A (en) | 2019-06-06 | 2019-06-06 | A kind of multimedia teaching synchronized dust removal dehumidifying projection screen |
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| CN (1) | CN110327711A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111367137A (en) * | 2020-05-06 | 2020-07-03 | 杭州庚复科技有限公司 | Projector fixing device based on special-shaped gear transmission principle |
| CN112188032A (en) * | 2020-10-09 | 2021-01-05 | 南京大翼航空科技有限公司 | Video synchronous projection system and method |
| WO2021109574A1 (en) * | 2019-12-05 | 2021-06-10 | 中海石油东营石化有限公司 | Self-rotating type dust suction apparatus for electrical installation |
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| CN105759551A (en) * | 2016-05-13 | 2016-07-13 | 江苏建筑职业技术学院 | Dust removal device for projection curtain and using method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021109574A1 (en) * | 2019-12-05 | 2021-06-10 | 中海石油东营石化有限公司 | Self-rotating type dust suction apparatus for electrical installation |
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| CN112188032A (en) * | 2020-10-09 | 2021-01-05 | 南京大翼航空科技有限公司 | Video synchronous projection system and method |
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Application publication date: 20191015 |