CN110209004A - A kind of ideological and political education computer multimedia teaching apparatus - Google Patents
A kind of ideological and political education computer multimedia teaching apparatus Download PDFInfo
- Publication number
- CN110209004A CN110209004A CN201910418374.8A CN201910418374A CN110209004A CN 110209004 A CN110209004 A CN 110209004A CN 201910418374 A CN201910418374 A CN 201910418374A CN 110209004 A CN110209004 A CN 110209004A
- Authority
- CN
- China
- Prior art keywords
- fixed frame
- projector
- ideological
- dust
- multimedia teaching
- Prior art date
- 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.)
- Granted
Links
- 239000000428 dust Substances 0.000 claims abstract description 39
- 239000003595 mist Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000003384 imaging method Methods 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims 1
- 238000011109 contamination Methods 0.000 abstract description 2
- 238000004321 preservation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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 kind of ideological and political education computer multimedia teaching apparatus, its structure includes projector's main body, control panel, power supply line link slot, heat release hole, focus adjustment knob, computer multimedia teaching device is combined by lens care device with pressurised clean device, southern area spring multimedia projector is before use, the dust on camera lens surface is removed first with pressurized air stream, then the water mist that surface condenses is struck off, and antifoggant is smeared in lens surface, it prevents smudgy after causing teacher's courseware to project to curtain there is a situation where diffusing reflection after the eyeglass fogging of projector, promote the clarity of multimedia equipment projection；The chalk dust of camera lens surface contamination is removed completely after use simultaneously, preservation is sealed to camera lens, camera lens is avoided to scratch, extends multimedia equipment service life.
Description
Technical field
The present invention relates to multimedia teaching facility fields, are a kind of ideological and political education computer multimedia teachings particularly
Device.
Background technique
With the rapid development of society, multimedia equipment has been spread in daily life, is especially being imparted knowledge to students
In cause, teacher can reasonably select and use Modern Teaching Medium, and with Traditional teaching means organic assembling, with media
Information is presented to student, reaches optimal teaching efficiency, and in Multimedia Teaching, projector is essential equipment,
But current technology consideration is incomplete, has the disadvantages that area, annual spring temperature bottom out have one in south China
Stock warm moist air is blown from the South Sea, after encountering projector eyeglass, since eyeglass temperature is lower, and then leads to lens surface steam liquid
Change condensation, then cause the eyeglass of projector that diffusing reflection occurs, cause it is smudgy after projecting video image to curtain, to teacher
Upper teaching has an impact.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of ideological and political education computer multimedia teaching apparatus.
To achieve the goals above, the present invention is to realize by the following technical solutions: a kind of ideological and political education calculates
Machine multimedia teaching apparatus, structure include projector's main body, control panel, power supply line link slot, heat release hole, focus adjustment rotation
Button, projector's main body be round rectangle structure, the control panel be located at projector's body upper surface and with project owner
Body is nested in projector's main body back using electrical connection, the power supply line link slot, and the heat release hole is equidistantly uniformly distributed in throwing
On the right side of shadow owner body, the focus adjustment knob is cylindrical structure and is located above projector's main body, projector's main body
It is made of multimedia guide line socket, radiator fan, projection imaging structure, guard shield, mirror surface cleaning device, the guard shield
For hollow round rectangle structure, the multimedia guide line socket is fixed on the leftmost side in guard shield by bolt vertically, described
Projection imaging structure level is installed in guard shield, and the mirror surface cleaning device is located on the right side of guard shield, the radiation air
Fan is from left to right arranged in below projection imaging structure respectively there are two setting.
As a further improvement of the present invention, the mirror surface cleaning device is by dust-proof driving structure, lens care device, increasing
Cleaning device composition is pressed, is closely packed together on the right side of pressurised clean device left end and projection imaging structure, the dust-proof driving
On the left of structure with mutually fastened at the top of pressurised clean device, the lens care device and dust-proof driving structure mutually fasten and with
Pressurised clean device is gap-matched.
As a further improvement of the present invention, the dust-proof driving structure is sliding by dust seal plate, drive link, connecting rod
Rail, helical spring, fixing axle composition, the fixing axle are located at the top of pressurised clean device, at the top of the dust seal plate and admittedly
Dead axle snaps together, and the connecting rod sliding rail is rectangular configuration and is nested among dust seal intralamellar part, the drive link
Right end is gap-matched with connecting rod sliding rail, and left end is mutually fastened with lens care device, and the helical spring is nested in connecting rod
It is closely packed together inside sliding rail and with connecting rod sliding rail.
As a further improvement of the present invention, the lens care device by water mist scraper plate, equal liquid spray coating plate, driving wheel,
Guiding axis wheel removes dust lane, connecting shaft, fixed frame, reservoir composition, and the fixed frame is located on the right side of projection imaging structure, described
Connecting shaft is nested among fixed frame, and the guiding axis wheel is installed on fixed frame bottom, described except dust lane is nested in the fixed frame right side
Side bottom surface, the driving wheel are mutually fastened with connecting shaft simultaneously and except dust lane is closely packed together, and the water mist scraper plate is nested in solid
Determine left side top in frame, the equal liquid spray coating plate sets there are two and is successively installed below water mist scraper plate, and the reservoir is located at
At left and right sides of water mist scraper plate.
As a further improvement of the present invention, the pressurised clean device is by guide rod fixed frame, gear guide rod, pressurization gas
Capsule, spray head, airflow duct composition, the guide rod fixed frame be hollow, rectangular structure, the gear guide rod set there are two and with lead
Bar fixed frame is vertical and is together by a threaded connection, and is fitted in one at the top of the pressurization air bag bottom and lens care device
It rises, the spray head is equidistantly uniformly distributed in the side in gear guide rod close to projection imaging structure, and the airflow duct is nested in
It is mutually communicated in gear guide rod and respectively with pressurization air bag, spray head.
It as a further improvement of the present invention, is globoidal structure on the left of the equal liquid spray coating plate, and surface is equidistantly uniformly divided
It is furnished with aperture, and right side is rectangular configuration, and turns left from the right side and connect by shaft with fixed frame from one third, therefore ought fixation
When frame is moved up along gear guide rod, the equal liquid spray coating plate on fixed frame turns left under leverage and and projection imaging
The mirror surface of structure contacts, while oozing out antifoggant by aperture and being sprayed, and prevents occurring the case where fogging in use process.
As a further improvement of the present invention, the water mist scraper plate is used by the intermediate inclined taper knot in two sides to the left and right
Structure, when water mist scraper plate carries out demisting to projection imaging structure mirror surface, fog can be condensed into droplet and flow into liquid storage along inclined-plane
Inside slot.
As a further improvement of the present invention, the fixed frame uses equilateral strip three-legged structure, therefore fixed frame moves up
It is that can be contacted by two different sides with the mirror surface of projection imaging structure with moving down.
As a further improvement of the present invention, the jet diameters are less than airflow duct diameter, and use helical structure.
The beneficial effects of the present invention are: computer multimedia teaching device passes through lens care device and pressurised clean device
It combines, southern area spring multimedia projector is before use, remove the dust on camera lens surface first with pressurized air stream, so
The water mist that surface condenses is struck off afterwards, and smears antifoggant in lens surface, occurs to overflow after preventing the eyeglass fogging of projector
Reflection situation smudgy after causing teacher's courseware to project to curtain, promotes the clarity of multimedia equipment projection；Make simultaneously
The chalk dust of camera lens surface contamination is removed completely after, preservation is sealed to camera lens, avoids camera lens from scratching, prolongs
Long multimedia equipment service life.
1, dust-proof driving structure of the invention is combined with pressurised clean device, before projector booting, by dust seal plate
It rotates counterclockwise taking the fixed axis as the center of a circle, and then drive link extrusion spiral spring and to draw lens care device clear along pressurization
Clean device moves up, and then lens care device pushes pressurization balloon contraction and is insufflated to projection by airflow duct and spray head
The dust impurities on camera lens surface are removed on imaging arrangement camera lens surface, prevent dust during removing water mist from prolonging scratch
Long multimedia equipment service life.
2, when lens care device of the invention work, when drive link traction fixation frame is moved up along gear guide rod
When, fixed frame rotates 120 ° as the center of circle using guiding axis wheel counterclockwise, and then water mist scraper plate is bonded and by the water mist on surface with mirror surface
It strikes off and converges in reservoir, while liquid spray coating plate is bonded with camera lens surface and antifoggant is applied to lens surface, prevents
Lens surface condensation vapor, promotion multimedia equipment project to the clarity of curtain to projector at work；And make in projector
After, dust seal plate is closed, drive link pushes fixed frame to rotate clockwise using guiding axis wheel as the center of circle at this time
120 °, and then be bonded with lens surface except dust lane, and when being moved down with fixed frame, gear guide rod drives connecting shaft and drives
Wheel rotation, and driving wheel traction removes the chalk dust of camera lens surface adhesion except dust lane rotates synchronously, and carries out to camera lens close
Envelope saves, and camera lens is avoided to be scratched.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of ideological and political education computer multimedia teaching apparatus of the present invention.
Fig. 2 is the structural schematic diagram of projector's main body of the present invention.
Fig. 3 is the structural schematic diagram of invention mirror cleaning device work.
Fig. 4 is the structural schematic diagram of lens care device of the present invention.
Fig. 5 is the structural schematic diagram of water mist scraper plate left view in Fig. 4 of the present invention.
Fig. 6 is the structural schematic diagram of the right view of pressurised clean device in Fig. 3 of the present invention.
Fig. 7 is the structural schematic diagram of gear guide rod side view of the present invention.
In figure: projector's main body -1, control panel -2, power supply line link slot -3, heat release hole -4, focus adjustment knob -5,
Multimedia guide line socket -1a, radiator fan -1b, projection imaging structure -1c, guard shield -1d, mirror surface cleaning device -1e, prevent
Dirt driving structure-e1, lens care device-e2, pressurised clean device-e3, dust seal plate-e11, drive link-e12, connect
Bar sliding rail-e13, it helical spring-e14, fixing axle-e15, water mist scraper plate-e21, equal liquid spray coating plate-e22, driving wheel-e23, leads
It is led to axis wheel-e24, except dust lane-e25, connecting shaft-e26, fixed frame-e27, reservoir-e28, guide rod fixed frame-e31, gear
Bar-e32, pressurization air bag-e33, spray head-e34, airflow duct-e35.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, FIG. 1 to FIG. 7
The structure for schematically showing the computer multimedia teaching device of embodiment of the present invention, below with reference to specific embodiment party
Formula, the present invention is further explained.
Embodiment
Fig. 1-Fig. 2 is please referred to, the present invention provides a kind of ideological and political education computer multimedia teaching apparatus, and structure includes
Projector's main body 1, control panel 2, power supply line link slot 3, heat release hole 4, focus adjustment knob 5, projector's main body 1 are circle
Angle rectangular configuration, the control panel 2 are located at 1 upper surface of projector's main body and with projector main body 1 using being electrically connected, the electricity
Source line link slot 3 is nested in 1 back of projector's main body, and the heat release hole 4 is equidistantly uniformly distributed in 1 right side of projector's main body, institute
It states focus adjustment knob 5 and is cylindrical structure and is located above projector's main body 1 that projector's main body 1 is by multimedia conducting wire
Socket 1a, radiator fan 1b, projection imaging structure 1c, guard shield 1d, mirror surface cleaning device 1e composition, the guard shield 1d
For hollow round rectangle structure, the multimedia guide line socket 1a is fixed on the leftmost side in guard shield 1d by bolt vertically,
The projection imaging structure 1c is horizontally installed in guard shield 1d, and it is right that the mirror surface cleaning device 1e is located at guard shield 1d
Side, the radiator fan 1b set that there are two be from left to right arranged in below projection imaging structure 1c respectively.
Fig. 3-Fig. 5 is please referred to, the mirror surface cleaning device 1e is by dust-proof driving structure e1, lens care device e2, pressurization
It is closely packed together on the right side of cleaning device e3 composition, the left end pressurised clean device e3 and projection imaging structure 1c, it is described dust-proof
It is fastened on the left of driving structure e1 with mutual at the top of pressurised clean device e3, the lens care device e2 and dust-proof driving structure e1
It mutually fastens and is gap-matched with pressurised clean device e3.The dust-proof driving structure e1 is by dust seal plate e11, driving
Connecting rod e12, connecting rod sliding rail e13, helical spring e14, fixing axle e15 composition, the fixing axle e15 are located at pressurised clean device e3
Top is snapped together with fixing axle e15 at the top of the dust seal plate e11, and the connecting rod sliding rail e13 is rectangular configuration and embedding
Be placed on dust seal plate e11 bosom, the drive link e12 right end is gap-matched with connecting rod sliding rail e13, left end with
Lens care device e2 is mutually fastened, and the helical spring e14 is nested in inside connecting rod sliding rail e13 and tight with connecting rod sliding rail e13
It is close together.The lens care device e2 by water mist scraper plate e21, equal liquid spray coating plate e22, driving wheel e23, guiding axis wheel e24,
Except dust lane e25, connecting shaft e26, fixed frame e27, reservoir e28 composition, it is right that the fixed frame e27 is located at projection imaging structure 1c
Side, the connecting shaft e26 are nested among fixed frame e27, and the guiding axis wheel e24 is installed on the bottom fixed frame e27, described to remove
Dust lane e25 is nested in fixed frame e27 right side bottom surface, and the driving wheel e23 and connecting shaft e26 are mutually fastened simultaneously and except dust lane
E25 is closely packed together, and the water mist scraper plate e21 is nested in left side top in fixed frame e27, and the equal liquid spray coating plate e22 is equipped with
It two and is successively installed below water mist scraper plate e21, the reservoir e28 is located at the left and right sides water mist scraper plate e21.The equal liquid
It is globoidal structure on the left of spray coating plate e22, and surface is equidistantly evenly distributed with aperture, and right side is rectangular configuration, and is turned left from the right side
It is connect by shaft with fixed frame e27 at one third, therefore when fixed frame e27 is moved up along gear guide rod e32, Gu
Determine the equal liquid spray coating plate e22 on frame e27 to turn left under leverage and contact with the mirror surface of projection imaging structure 1c, simultaneously
Antifoggant is oozed out by aperture to be sprayed, and prevents occurring the case where fogging in use process.The water mist scraper plate e21 use by
The intermediate inclined pyramidal structure in two sides to the left and right, when water mist scraper plate e21 carries out demisting to projection imaging structure 1c mirror surface, fog
Droplet can be condensed into flow into inside reservoir e28 along inclined-plane.The fixed frame e27 uses equilateral strip three-legged structure, because
It is that can be contacted by two different sides with the mirror surface of projection imaging structure 1c that this fixed frame e27, which is moved up and moved down,.
Fig. 6-Fig. 7 is please referred to, the pressurised clean device e3 is by guide rod fixed frame e31, gear guide rod e32, pressurization air bag
E33, spray head e34, airflow duct e35 composition, the guide rod fixed frame e31 is hollow, rectangular structure, and the gear guide rod e32 is set
There are two and it is vertical with guide rod fixed frame e31 and be together by a threaded connection, the pressurization bottom air bag e33 and lens care
It fits together at the top of device e2, the spray head e34 is equidistantly uniformly distributed in gear guide rod e32 close to projection imaging structure 1c
Side, the airflow duct e35 is nested in gear guide rod e32 and is mutually communicated respectively with pressurization air bag e33, spray head e34.
The spray head e34 diameter be less than airflow duct e35 diameter, and use helical structure, using pressurization air bag e33 in gas into
Row boosting jet effectively removes the dust impurities of camera lens to camera lens surface.
Multimedia equipment is rotated counterclockwise before booting, by dust seal plate e11 using fixing axle e15 as the center of circle, and is driven
Connecting rod e12 is with extrusion spiral spring e14 after dust seal plate e11 rotation and draws lens care device e2 along pressurised clean
Device e3 is moved up, therefore lens care device e2 pushes pressurization air bag e33 to shrink and pass through airflow duct e35 and spray head
E34 blows to lens surface, the large dust particle of lens surface is removed, granule dust slides on eyeglass when avoiding striking off water mist
Cause eyeglass to be scratched, and fixed frame e27 rotates counterclockwise 120 ° using guiding axis wheel e24 as the center of circle, and with projection imaging structure
The water mist that lens surface condenses is struck off and is converged to inside reservoir e28 by the eyeglass fitting on the right side of 1c, water mist scraper plate e21, together
When equal liquid spray coating plate e22 be bonded with eyeglass after antifoggant is applied to lens surface, guarantee the clarity of projector at work,
At the end of projector use, dust seal plate e11 is closed, and then fixed frame e27 is clockwise as the center of circle using guiding axis wheel e24
120 ° of rotation, at this time except dust lane e25 is bonded with eyeglass, while as fixed frame e27 is moved down in pressurised clean device e3
When, gear guide rod e32 drives driving wheel e23 rotation, and driving wheel e23 drives except dust lane e25 is rotated the chalk on camera lens surface
Dust is removed, while being sealed protection to camera lens.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this
The range of invention is indicated by the appended claims rather than the foregoing description, it is intended that the equivalent requirements of the claims will be fallen in
All changes in meaning and scope are included within the present invention.It should not treat any reference in the claims as limitation institute
The claim being related to.
Claims (8)
1. a kind of ideological and political education computer multimedia teaching apparatus, structure include projector's main body (1), control panel (2),
Power supply line link slot (3), heat release hole (4), focus adjustment knob (5), it is characterised in that:
Projector's main body (1) is round rectangle structure, and the control panel (2) is located at projector's main body (1) upper surface, institute
It states power supply line link slot (3) and is nested in projector's main body (1) back, the heat release hole (4) is equidistantly uniformly distributed in projection owner
On the right side of body (1), the focus adjustment knob (5) is located above projector's main body (1)；
Projector's main body (1) is by multimedia guide line socket (1a), radiator fan (1b), projection imaging structure (1c), protection
Shell (1d), mirror surface cleaning device (1e) composition, the guard shield (1d) are hollow round rectangle structure, the multimedia guide
Line socket (1a) is fixed by bolts in left side, the projection imaging structure (1c) in guard shield (1d) and is installed on guard shield
In (1d), the mirror surface cleaning device (1e) is located on the right side of guard shield (1d), and the radiator fan (1b), which is installed on, to be projected into
As below structure (1c).
2. a kind of ideological and political education computer multimedia teaching apparatus according to claim 1, it is characterised in that: the mirror
Face cleaning device (1e) is made of dust-proof driving structure (e1), lens care device (e2), pressurised clean device (e3), the increasing
Pressure cleaning device (e3) is closely packed together with projection imaging structure (1c), the dust-proof driving structure (e1) and pressurised clean device
(e3) it mutually fastens, the lens care device (e2) is gap-matched with pressurised clean device (e3).
3. a kind of ideological and political education computer multimedia teaching apparatus according to claim 2, it is characterised in that: described anti-
Dirt driving structure (e1) is by dust seal plate (e11), drive link (e12), connecting rod sliding rail (e13), helical spring (e14), solid
Dead axle (e15) composition, the fixing axle (e15) are located at the top of pressurised clean device (e3), the dust seal plate (e11) with consolidate
Dead axle (e15) snaps together, and the connecting rod sliding rail (e13) is nested in dust seal plate (e11) inside, the drive link
(e12) it is gap-matched with connecting rod sliding rail (e13), it is internal that the helical spring (e14) is nested in connecting rod sliding rail (e13).
4. a kind of ideological and political education computer multimedia teaching apparatus according to claim 2, it is characterised in that: the mirror
Piece maintenance device (e2) is by water mist scraper plate (e21), equal liquid spray coating plate (e22), driving wheel (e23), guiding axis wheel (e24), dedusting
Band (e25), connecting shaft (e26), fixed frame (e27), reservoir (e28) composition, the fixed frame (e27) are located at projection imaging knot
On the right side of structure (1c), the connecting shaft (e26) is nested among fixed frame (e27), and the guiding axis wheel (e24) is installed on fixed frame
(e27) bottom, it is described except dust lane (e25) is nested on the right side of fixed frame (e27), the driving wheel (e23) with except dust lane (e25) it is tight
It is close together, the water mist scraper plate (e21) is nested in left side, the equal liquid spray coating plate (e22) in fixed frame (e27) and is located at water mist
Below scraper plate (e21), the reservoir (e28) is located at left and right sides of water mist scraper plate (e21).
5. a kind of ideological and political education computer multimedia teaching apparatus according to claim 2, it is characterised in that: the increasing
Pressure cleaning device (e3) is led by guide rod fixed frame (e31), gear guide rod (e32), pressurization air bag (e33), spray head (e34), air-flow
(e35) composition is managed, the guide rod fixed frame (e31) is hollow, rectangular structure, the gear guide rod (e32) and guide rod fixed frame
(e31) it is together by a threaded connection, the pressurization air bag (e33) fits together with lens care device (e2), the spray
Head (e34) is equidistantly uniformly distributed in gear guide rod (e32), the airflow duct (e35) respectively with pressurization air bag (e33), spray
Head (e34) is mutually communicated.
6. a kind of ideological and political education computer multimedia teaching apparatus according to claim 4, it is characterised in that: described equal
It is globoidal structure on the left of liquid spray coating plate (e22), and surface is equidistantly evenly distributed with aperture, and right side is rectangular configuration, and from the right side
It is connect by shaft with fixed frame (e27) at one third of turning left.
7. a kind of ideological and political education computer multimedia teaching apparatus according to claim 4, it is characterised in that: the water
Mist scraper plate (e21) is using by the intermediate inclined pyramidal structure in two sides to the left and right.
8. a kind of ideological and political education computer multimedia teaching apparatus according to claim 4, it is characterised in that: described solid
Determine frame (e27) and uses equilateral strip three-legged 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110209004A true CN110209004A (en) | 2019-09-06 |
| CN110209004B CN110209004B (en) | 2021-02-09 |
Family
ID=67787767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910418374.8A Expired - Fee Related CN110209004B (en) | 2019-05-20 | 2019-05-20 | Think political affairs education and use computer multimedia teaching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110209004B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112837586A (en) * | 2021-01-20 | 2021-05-25 | 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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| CN201340510Y (en) * | 2008-12-22 | 2009-11-04 | 日立数字映像(中国)有限公司 | Multimedia liquid crystal projector with dustproof structure |
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| 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 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112837586A (en) * | 2021-01-20 | 2021-05-25 | 焦作大学 | Chinese language and literature vocabulary division show shelf |
| 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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