CN110209004B - Think political affairs education and use computer multimedia teaching device - Google Patents
Think political affairs education and use computer multimedia teaching device Download PDFInfo
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- CN110209004B CN110209004B CN201910418374.8A CN201910418374A CN110209004B CN 110209004 B CN110209004 B CN 110209004B CN 201910418374 A CN201910418374 A CN 201910418374A CN 110209004 B CN110209004 B CN 110209004B
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- lens
- cleaning device
- fixing frame
- connecting rod
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- 238000004140 cleaning Methods 0.000 claims abstract description 37
- 238000012423 maintenance Methods 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 230000017525 heat dissipation Effects 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 238000003384 imaging method Methods 0.000 claims description 26
- 239000003595 mist Substances 0.000 claims description 24
- 238000005507 spraying Methods 0.000 claims description 24
- 230000001681 protective effect Effects 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 18
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000007921 spray Substances 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000003897 fog Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 101150013030 FAN1 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 239000003665 fog water Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
- B08B1/143—Wipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- 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
-
- 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
- G03B21/145—Housing details, e.g. position adjustments thereof
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a computer multimedia teaching device for thinking and political affairs education, which structurally comprises a projector main body, a control panel, a power line connecting groove, a heat dissipation hole and a focal length adjusting knob, wherein the computer multimedia teaching device is combined with a pressurizing cleaning device through a lens maintenance device; meanwhile, after the lens is used, chalk dust stained on the surface of the lens is removed completely, the lens is stored in a sealing mode, the lens is prevented from being scratched, and the service life of the multimedia equipment is prolonged.
Description
Technical Field
The invention relates to the field of multimedia teaching equipment, in particular to a computer multimedia teaching device for thinking and political education.
Background
With the rapid development of society, multimedia equipment has been popularized in people's daily life, especially in the teaching industry, a teacher can reasonably select and use modern teaching media, and organically combine with traditional teaching means, show to students with multiple media information, reach the best teaching effect, in the multimedia teaching process, the projector is the indispensable equipment, but the present technical consideration is not perfect enough, has the following disadvantages: in the south of China, the temperature begins to rise again every year in spring, has a strand of warm and humid air current to blow from south sea, runs into behind the projecting apparatus lens, because the lens temperature is lower, and then leads to the surperficial steam liquefaction of lens to condense, leads to the lens of projecting apparatus to take place the diffuse reflection then, causes the video image projection to the curtain back fuzzy, produces the influence to the teacher teaching of going to class.
Disclosure of Invention
In view of the above problems, the present invention provides a computer multimedia teaching apparatus for thinking education.
In order to achieve the purpose, the invention is realized by the following technical scheme: a computer multimedia teaching device for thinking and political affairs education comprises a projector main body, a control panel, a power line connecting groove, heat dissipation holes and a focal length adjusting knob, wherein the projector main body is in a round-angle rectangular structure, the control panel is positioned on the upper surface of the projector main body and is electrically connected with the projector main body, the power line connecting groove is nested at the back of the projector main body, the heat dissipation holes are equidistantly and uniformly distributed at the right side of the projector main body, the focal length adjusting knob is in a cylindrical structure and is positioned above the projector main body, the projector main body comprises a multimedia wire socket, a heat dissipation fan, a projection imaging structure, a protective shell and a mirror surface cleaning device, the protective shell is in a hollow round-angle rectangular structure, the multimedia wire socket is vertically fixed at the leftmost side in the protective shell through bolts, the projection imaging structure is horizontally installed in, the mirror surface cleaning device is located on the right side of the protective shell, and the two cooling fans are arranged below the projection imaging structure from left to right respectively.
As a further improvement of the invention, the mirror surface cleaning device comprises a dustproof driving structure, a lens maintenance device and a pressurizing cleaning device, wherein the left end of the pressurizing cleaning device is closely attached to the right side of the projection imaging structure, the left side of the dustproof driving structure is buckled with the top of the pressurizing cleaning device, and the lens maintenance device is buckled with the dustproof driving structure and is in clearance fit with the pressurizing cleaning device.
As a further improvement of the invention, the dustproof driving structure comprises a dustproof sealing plate, a driving connecting rod, a connecting rod sliding rail, a spiral spring and a fixing shaft, wherein the fixing shaft is positioned at the top of the pressurized cleaning device, the top of the dustproof sealing plate is buckled with the fixing shaft, the connecting rod sliding rail is of a rectangular structure and is nested in the middle of the inside of the dustproof sealing plate, the right end of the driving connecting rod is in clearance fit with the connecting rod sliding rail, the left end of the driving connecting rod is buckled with the lens maintenance device, and the spiral spring is nested in the connecting rod sliding rail and is close to the connecting rod sliding rail.
As a further improvement of the invention, the lens maintenance device comprises a water mist scraper, a liquid homogenizing spraying plate, a driving wheel, a guide shaft wheel, a dedusting belt, a connecting shaft, a fixing frame and a liquid storage tank, wherein the fixing frame is positioned on the right side of the projection imaging structure, the connecting shaft is nested in the middle of the fixing frame, the guide shaft wheel is installed at the bottom of the fixing frame, the dedusting belt is nested on the bottom surface of the right side of the fixing frame, the driving wheel and the connecting shaft are mutually buckled and are simultaneously abutted against the dedusting belt, the water mist scraper is nested at the top of the left side in the fixing frame, the liquid homogenizing spraying plate is provided with two parts which are sequentially installed below the water mist scraper, and the liquid storage tank is positioned.
As a further improvement of the invention, the pressurizing cleaning device comprises a guide rod fixing frame, two gear guide rods, a pressurizing air bag, a spray head and an air flow guide pipe, wherein the guide rod fixing frame is of a hollow rectangular structure, the two gear guide rods are perpendicular to the guide rod fixing frame and are connected together through threads, the bottom of the pressurizing air bag is attached to the top of the lens maintenance device, the spray heads are uniformly distributed in the gear guide rods at equal intervals and close to one side of the projection imaging structure, and the air flow guide pipe is nested in the gear guide rods and is communicated with the pressurizing air bag and the spray head respectively.
As a further improvement of the invention, the left side of the liquid homogenizing spraying plate is of a cambered surface structure, small holes are uniformly distributed on the surface at equal intervals, the right side of the liquid homogenizing spraying plate is of a rectangular structure, and the part from the right side to the left side of the liquid homogenizing spraying plate is connected with the fixed frame through the shaft lever, so that when the fixed frame moves upwards along the gear guide rod, the liquid homogenizing spraying plate on the fixed frame rotates leftwards under the action of the lever and is in contact with the mirror surface of the projection imaging structure, and meanwhile, an antifogging agent is seeped through the small holes for spraying, and the fogging condition in the using.
As a further improvement of the invention, the water fog scraper adopts a conical structure which inclines from the middle to the left and the right, and when the water fog scraper demists the mirror surface of the projection imaging structure, the fog water can be condensed into small liquid drops which flow into the liquid storage tank along the inclined surface.
As a further improvement of the invention, the fixing frame adopts an equilateral triangle structure, so that the fixing frame can move up and down to be in contact with the mirror surface of the projection imaging structure through two different surfaces.
As a further improvement of the invention, the diameter of the spray head is smaller than that of the air flow guide pipe, and a spiral structure is adopted.
The invention has the beneficial effects that: the computer multimedia teaching device is combined with the pressurizing cleaning device through the lens maintenance device, dust on the surface of the lens is removed by utilizing pressurized airflow before the multimedia projector is used in spring in southern areas, then water mist condensed on the surface is scraped off, and an antifogging agent is coated on the surface of the lens, so that the situation that a teacher courseware is blurred after being projected to a curtain due to diffuse reflection after the lens of the projector is fogged is prevented, and the projection definition of multimedia equipment is improved; meanwhile, after the lens is used, chalk dust stained on the surface of the lens is removed completely, the lens is stored in a sealing mode, the lens is prevented from being scratched, and the service life of the multimedia equipment is prolonged.
1. The dustproof driving structure is combined with the pressurizing cleaning device, before the projector is started, the dustproof sealing plate rotates anticlockwise by taking the fixed shaft as a circle center, the connecting rod is driven to extrude the spiral spring and pull the lens maintenance device to move upwards along the pressurizing cleaning device, and the lens maintenance device pushes the pressurizing air bag to contract and blow air to the surface of the lens of the projection imaging structure through the air flow guide pipe and the spray head, so that dust and impurities on the surface of the lens are removed, dust in a water mist removing process is prevented from scraping the lens, and the service life of multimedia equipment is prolonged.
2. When the lens maintenance device works, when the driving connecting rod pulls the fixing frame to move upwards along the gear guide rod, the fixing frame rotates 120 degrees anticlockwise by taking the guide shaft wheel as a circle center, then the water mist scraper is attached to the lens surface and scrapes and gathers water mist on the surface into the liquid storage tank, and meanwhile, the uniform liquid spraying plate is attached to the lens surface and coats an antifogging agent on the lens surface, so that water vapor condensation on the lens surface when a projector works is prevented, and the definition of projecting the multimedia equipment to a curtain is improved; and after the use of the projector is finished, the dustproof sealing plate is closed, the driving connecting rod pushes the fixing frame to rotate clockwise 120 degrees by taking the guide shaft wheel as the circle center, then the dust removing belt is attached to the surface of the lens, and the gear guide rod drives the connecting shaft to rotate with the driving wheel along with the downward movement of the fixing frame, the driving wheel pulls the dust removing belt to synchronously rotate to remove the chalk dust adhered to the surface of the lens, the lens is stored in a sealed mode, and the lens is prevented from being scratched.
Drawings
Fig. 1 is a schematic structural view of a computer multimedia teaching apparatus for ideological and political education according to the present invention.
Fig. 2 is a schematic structural diagram of the projector main body according to the present invention.
FIG. 3 is a schematic view of the mirror cleaning apparatus according to the present invention.
Fig. 4 is a schematic structural diagram of the lens maintenance device of the present invention.
FIG. 5 is a schematic left-side view of the water mist scraper of FIG. 4 according to the present invention.
FIG. 6 is a schematic diagram of the pressurized cleaning apparatus of FIG. 3 shown from the right.
FIG. 7 is a side view of the gear guide of the present invention.
In the figure: the projector comprises a projector body-1, a control panel-2, a power line connecting groove-3, a heat dissipation hole-4, a focal length adjusting knob-5, a multimedia wire socket-1 a, a heat dissipation fan-1 b, a projection imaging structure-1 c, a protective shell-1 d, a mirror surface cleaning device-1 e, a dustproof driving structure-e 1, a lens maintenance device-e 2, a pressurizing cleaning device-e 3, a dustproof sealing plate-e 11, a driving connecting rod-e 12, a connecting rod sliding rail-e 13, a spiral spring-e 14, a fixed shaft-e 15, a water mist scraper-e 21, a uniform liquid spraying plate-e 22, a driving wheel-e 23, a guide shaft wheel-e 24, a dust removal belt-e 25, a connecting shaft-e 26, a fixed frame-e 27, a liquid storage tank-e 28, a guide rod fixed frame-e 31, Gear guide rod-e 32, pressurized air bag-e 33, spray head-e 34 and air flow conduit-e 35.
Detailed Description
In order to make the technical means, the creation features, the achievement objects and the effects of the present invention easy to understand, fig. 1 to 7 schematically show the structure of a computer multimedia teaching device according to an embodiment of the present invention, and the present invention will be further described with reference to the following detailed description.
Examples
Referring to fig. 1-2, the present invention provides a computer multimedia teaching device for thinking and political affairs education, the structure of which includes a projector body 1, a control panel 2, a power line connecting groove 3, heat dissipating holes 4, and a focal length adjusting knob 5, wherein the projector body 1 is a rounded rectangle structure, the control panel 2 is located on the upper surface of the projector body 1 and is electrically connected with the projector body 1, the power line connecting groove 3 is nested at the back of the projector body 1, the heat dissipating holes 4 are equidistantly and uniformly distributed on the right side of the projector body 1, the focal length adjusting knob 5 is a cylindrical structure and is located above the projector body 1, the projector body 1 is composed of a multimedia wire socket 1a, a heat dissipating fan 1b, a projection imaging structure 1c, a protective casing 1d, and a mirror surface cleaning device 1e, the protective casing 1d is a hollow rounded rectangle structure, the multimedia wire socket 1a is vertically fixed to the leftmost side in the protective shell 1d through a bolt, the projection imaging structure 1c is horizontally installed in the protective shell 1d, the mirror surface cleaning device 1e is located on the right side of the protective shell 1d, and the two cooling fans 1b are arranged below the projection imaging structure 1c from left to right respectively.
Referring to fig. 3-5, the mirror surface cleaning device 1e comprises a dust-proof driving structure e1, a lens maintenance device e2, and a pressurized cleaning device e3, wherein the left end of the pressurized cleaning device e3 is close to the right side of the projection imaging structure 1c, the left side of the dust-proof driving structure e1 is engaged with the top of the pressurized cleaning device e3, and the lens maintenance device e2 is engaged with the dust-proof driving structure e1 and is in clearance fit with the pressurized cleaning device e 3. The dustproof driving structure e1 is composed of a dustproof sealing plate e11, a driving connecting rod e12, a connecting rod sliding rail e13, a spiral spring e14 and a fixing shaft e15, the fixing shaft e15 is located at the top of the pressurized cleaning device e3, the top of the dustproof sealing plate e11 is buckled with the fixing shaft e15, the connecting rod sliding rail e13 is in a rectangular structure and is nested in the middle inside the dustproof sealing plate e11, the right end of the driving connecting rod e12 is in clearance fit with the connecting rod sliding rail e13, the left end of the driving connecting rod e12 is buckled with the lens maintenance device e2, and the spiral spring e14 is nested inside the connecting rod sliding rail e13 and is abutted against the connecting rod sliding rail e. The lens maintenance device e2 comprises a water mist scraper e21, a liquid homogenizing spraying plate e22, a driving wheel e23, a guide shaft wheel e24, a dust removing belt e25, a connecting shaft e26, a fixing frame e27 and a liquid storage tank e28, wherein the fixing frame e27 is located on the right side of the projection imaging structure 1c, the connecting shaft e26 is nested in the middle of the fixing frame e27, the guide shaft wheel e24 is mounted at the bottom of the fixing frame e27, the dust removing belt e25 is nested on the right bottom face of the fixing frame e27, the driving wheel e23 and the connecting shaft e26 are mutually buckled and are abutted against the dust removing belt e25, the water mist scraper e21 is nested on the top of the left side in the fixing frame e27, the liquid homogenizing spraying plate e22 is provided with two water mist scrapers which are sequentially mounted below the water mist scraper e21, and the liquid storage tanks e 28. The left side of the liquid-equalizing spraying plate e22 is of an arc-shaped structure, small holes are uniformly distributed in the surface at equal intervals, the right side of the liquid-equalizing spraying plate e22 is of a rectangular structure, and the right side of the liquid-equalizing spraying plate e22 is connected with a fixing frame e27 through a shaft rod from the right side to the left third of the liquid-equalizing spraying plate e27, so that when the fixing frame e27 moves upwards along a gear guide rod e32, the liquid-equalizing spraying plate e22 on the fixing frame e27 rotates leftwards under the lever action and is in contact with the mirror surface of the projection imaging structure 1c, and meanwhile, an. The water mist scraper e21 adopts a tapered structure that inclines from the middle to the left and right sides, and when the water mist scraper e21 demists the mirror surface of the projection imaging structure 1c, the mist can be condensed into small droplets and flows into the liquid storage tank e28 along the inclined surface. The fixing frame e27 adopts an equilateral triangle structure, so that the fixing frame e27 can move up and down to contact with the mirror surface of the projection imaging structure 1c through two different surfaces.
Referring to fig. 6-7, the pressurized cleaning device e3 is composed of a guide rod fixing frame e31, a gear guide rod e32, a pressurized air bag e33, a nozzle e34 and an air flow guide tube e35, wherein the guide rod fixing frame e31 is a hollow rectangular structure, two gear guide rods e32 are provided and are perpendicular to the guide rod fixing frame e31 and are connected together through threads, the bottom of the pressurized air bag e33 is attached to the top of the lens maintenance device e2, the nozzles e34 are uniformly distributed in the gear guide rod e32 at equal intervals on one side close to the projection imaging structure 1c, and the air flow guide tube e35 is nested in the gear guide rod e32 and is communicated with the pressurized air bag e33 and the nozzle e 34. The diameter of the spray head e34 is smaller than that of the air flow guide pipe e35, the spiral structure is adopted, the air in the pressurizing air bag e33 is used for pressurizing and spraying the air to the surface of the lens, and dust and impurities of the lens are effectively removed.
Before the multimedia equipment is started, the dust-proof sealing plate e11 rotates anticlockwise around the fixed shaft e15, the driving connecting rod e12 presses the spiral spring e14 and pulls the lens maintenance device e2 to move upwards along the pressurizing cleaning device e3 after the dust-proof sealing plate e11 rotates, therefore, the lens maintenance device e2 pushes the pressurizing air bag e33 to contract and blow towards the lens surface through the air flow conduit e35 and the spray head e34, large particle dust on the lens surface is removed, the phenomenon that the lens is scratched due to the fact that the particle dust slides on the lens when water mist is scraped is avoided, the fixed frame e27 rotates 120 degrees anticlockwise around the guide shaft wheel e24 and is attached to the lens on the right side of the projection imaging structure 1c, the water mist scraper e21 scrapes the water mist condensed on the lens surface and gathers in the liquid storage tank e28, and the antifogging agent is smeared on the lens surface after the uniform liquid spraying plate e22 is attached to the lens, and the definition of the projector, when the projector is used, the dustproof sealing plate e11 is closed, the fixing frame e27 rotates 120 degrees clockwise by taking the guide shaft wheel e24 as a circle center, the dust removing belt e25 is attached to the lens, and simultaneously when the fixing frame e27 moves downwards in the pressurizing cleaning device e3, the gear guide rod e32 drives the driving wheel e23 to rotate, the driving wheel e23 drives the dust removing belt e25 to rotate to remove chalk dust on the surface of the lens, and meanwhile, the lens is protected in a sealing mode.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a think political affairs education and use computer multimedia teaching device, its structure includes projector main part (1), control panel (2), power cord spread groove (3), louvre (4), focus adjust knob (5), its characterized in that:
the projector main body (1) is of a round-corner rectangular structure, the control panel (2) is located on the upper surface of the projector main body (1), the power line connecting groove (3) is nested at the back of the projector main body (1), the heat dissipation holes (4) are evenly distributed on the right side of the projector main body (1) at equal intervals, and the focal length adjusting knob (5) is located above the projector main body (1);
the projector main body (1) is composed of a multimedia wire socket (1a), a cooling fan (1b), a projection imaging structure (1c), a protective shell (1d) and a mirror surface cleaning device (1e), wherein the protective shell (1d) is of a hollow round-corner rectangular structure, the multimedia wire socket (1a) is fixed on the left side in the protective shell (1d) through bolts, the projection imaging structure (1c) is installed in the protective shell (1d), the mirror surface cleaning device (1e) is located on the right side of the protective shell (1d), and the cooling fan (1b) is installed below the projection imaging structure (1 c);
the mirror surface cleaning device (1e) consists of a dust-proof driving structure (e1), a lens maintenance device (e2) and a pressurizing cleaning device (e3), wherein the pressurizing cleaning device (e3) is abutted to the projection imaging structure (1c), the dust-proof driving structure (e1) is buckled with the pressurizing cleaning device (e3), and the lens maintenance device (e2) is in clearance fit with the pressurizing cleaning device (e 3);
the dustproof driving structure (e1) comprises a dustproof sealing plate (e11), a driving connecting rod (e12), a connecting rod sliding rail (e13), a spiral spring (e14) and a fixed shaft (e15), wherein the fixed shaft (e15) is positioned at the top of the pressurization cleaning device (e3), the dustproof sealing plate (e11) is buckled with the fixed shaft (e15), the connecting rod sliding rail (e13) is nested inside the dustproof sealing plate (e11), the driving connecting rod (e12) and the connecting rod sliding rail (e13) are in clearance fit, and the spiral spring (e14) is nested inside the connecting rod sliding rail (e 13);
the lens maintenance device (e2) comprises a water mist scraper (e21), a liquid homogenizing spraying plate (e22), a driving wheel (e23), a guide shaft wheel (e24), a dedusting belt (e25), a connecting shaft (e26), a fixing frame (e27) and a liquid storage tank (e28), wherein the fixing frame (e27) is located on the right side of the projection imaging structure (1c), the connecting shaft (e26) is nested in the middle of the fixing frame (e27), the guide shaft wheel (e24) is mounted at the bottom of the fixing frame (e27), the dedusting belt (e25) is nested on the right side of the fixing frame (e27), the driving wheel (e23) and the dedusting belt (e25) are abutted together, the water mist scraper (e21) is nested on the left side in the fixing frame (e27), the liquid homogenizing spraying plate (e22) is located below the water mist scraper (e21), and the water mist scraper (e28) is located on the left side and right side of the water mist liquid storage tank (e 21).
2. The computer multimedia teaching apparatus for ideological and political education of claim 1, wherein: pressure boost cleaning device (e3) comprises the fixed frame of guide arm (e31), gear guide (e32), pressure boost gasbag (e33), shower nozzle (e34), air current pipe (e35), the fixed frame of guide arm (e31) is hollow rectangle structure, gear guide (e32) and the fixed frame of guide arm (e31) are in the same place through threaded connection, pressure boost gasbag (e33) and lens maintenance device (e2) laminating together, shower nozzle (e34) equidistance evenly distributed is in gear guide (e32), air current pipe (e35) link up each other with pressure boost gasbag (e33), shower nozzle (e34) respectively.
3. The computer multimedia teaching apparatus for ideological and political education of claim 1, wherein: the left side of the liquid homogenizing spraying plate (e22) is of an arc surface structure, small holes are uniformly distributed on the surface of the liquid homogenizing spraying plate at equal intervals, the right side of the liquid homogenizing spraying plate is of a rectangular structure, and the liquid homogenizing spraying plate is connected with a fixing frame (e27) through a shaft rod from the right side to one third of the left side.
4. The computer multimedia teaching apparatus for ideological and political education of claim 1, wherein: the water fog scraper (e21) adopts a conical structure which inclines from the middle to the left and right sides.
5. The computer multimedia teaching apparatus for ideological and political education of claim 1, wherein: the fixing frame (e27) adopts an equilateral triangle structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910418374.8A CN110209004B (en) | 2019-05-20 | 2019-05-20 | Think political affairs education and use computer multimedia teaching device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910418374.8A CN110209004B (en) | 2019-05-20 | 2019-05-20 | Think political affairs education and use computer multimedia teaching device |
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| CN110209004A CN110209004A (en) | 2019-09-06 |
| CN110209004B true CN110209004B (en) | 2021-02-09 |
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| CN201910418374.8A Expired - Fee Related CN110209004B (en) | 2019-05-20 | 2019-05-20 | Think political affairs education and use computer multimedia teaching device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112837586B (en) * | 2021-01-20 | 2022-12-13 | 焦作大学 | Chinese language and literature vocabulary division show shelf |
| CN113455754A (en) * | 2021-05-11 | 2021-10-01 | 严妹妹 | Waterproof ventilative type protective clothing |
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| CN207491077U (en) * | 2017-11-28 | 2018-06-12 | 天津易华录信息技术有限公司 | A kind of multispectral early warning monitoring holder integrated camera |
| CN208126091U (en) * | 2018-05-16 | 2018-11-20 | 深圳市中视同创科技有限公司 | Laser projection device is used in a kind of teaching of electronic information |
| CN109212870A (en) * | 2017-09-08 | 2019-01-15 | 邯郸学院 | A kind of Multifunctional camera instructional device |
| CN109525758A (en) * | 2018-11-15 | 2019-03-26 | 贵州创世科技有限公司 | A kind of self-cleaning monitoring device |
| CN208780907U (en) * | 2018-06-26 | 2019-04-23 | 福建省简明健康科技有限公司 | A kind of VR glasses of good dedusting effect |
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| CN207443019U (en) * | 2017-12-08 | 2018-06-01 | 四川东鼎里智信息技术有限责任公司 | A kind of smart city dust-proof camera |
| CN207573484U (en) * | 2017-12-25 | 2018-07-03 | 天津埃特维科技有限公司 | Video camera with windscreen wiper |
| CN207835603U (en) * | 2017-12-29 | 2018-09-07 | 南京点耐特信息科技有限公司 | A kind of monitoring camera water proof and dust proof shell |
| CN207820063U (en) * | 2018-02-08 | 2018-09-04 | 天津开发区中环系统电子工程股份有限公司 | A kind of dust-proof monitoring arrangement of road |
| CN109407449A (en) * | 2018-10-24 | 2019-03-01 | 常州信息职业技术学院 | A kind of energy-saving digital medica projection device |
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| CN107199195A (en) * | 2017-06-30 | 2017-09-26 | 苏州华徕光电仪器有限公司 | A kind of camera with rain-proof and cleaning device |
| CN109212870A (en) * | 2017-09-08 | 2019-01-15 | 邯郸学院 | A kind of Multifunctional camera instructional device |
| CN207491077U (en) * | 2017-11-28 | 2018-06-12 | 天津易华录信息技术有限公司 | A kind of multispectral early warning monitoring holder integrated camera |
| CN208126091U (en) * | 2018-05-16 | 2018-11-20 | 深圳市中视同创科技有限公司 | Laser projection device is used in a kind of teaching of electronic information |
| CN208780907U (en) * | 2018-06-26 | 2019-04-23 | 福建省简明健康科技有限公司 | A kind of VR glasses of good dedusting effect |
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