CN107481555A - A kind of indoor distance learning equipment of multimedia teaching - Google Patents
A kind of indoor distance learning equipment of multimedia teaching Download PDFInfo
- Publication number
- CN107481555A CN107481555A CN201710682827.9A CN201710682827A CN107481555A CN 107481555 A CN107481555 A CN 107481555A CN 201710682827 A CN201710682827 A CN 201710682827A CN 107481555 A CN107481555 A CN 107481555A
- Authority
- CN
- China
- Prior art keywords
- threaded rod
- retainer ring
- fixed block
- rotating machine
- servomotor
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
-
- 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
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
-
- 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
Abstract
The invention discloses a kind of multimedia teaching with indoor distance learning equipment,Including projection cloth,First servomotor,Convex fixed block,First threaded rod,First retainer ring,First electric rotating machine,Second retainer ring,Rotating shaft,Projecting apparatus,First angle sensor,Second threaded rod,Fixed block,3rd threaded rod,Fixed sliding block,Second electric rotating machine,Output shaft,Threaded sleeve,Circular fixed block,Second servomotor,Second angle sensor,Electric cabinet,Control panel,PLC and battery,The opposite ends of first threaded rod are mounted on convex fixed block,The side of the convex fixed block is provided with the first servomotor,The first threaded rod opposite ends are respectively sleeved on the first retainer ring and the second retainer ring,Connected between first retainer ring and the second retainer ring by rotating shaft,Projection cloth is installed in the rotating shaft,The teaching equipment,Be advantageous to Intelligent adjustment position,Also help and save space.
Description
Technical field
The present invention relates to teaching equipment technical field, the indoor distance learning equipment of specially a kind of multimedia teaching.
Background technology
Chinese projector products consumption market is concentrated mainly on the big-and-middle-sized cities such as the more flourishing North China of economy, East China, south China
City.Education, commercial affairs, government, home entertaining are the four big main consumer groups for supporting Chinese projecting apparatus industry.Make a general survey of Chinese projection
Instrument market, either in terms of the quantity, quality or kind of product, certain maturity, the popularization of product are all reached
Using making psychological positioning of the projecting apparatus in user change from more professional display device to mass product, the marketing scale of industry
Constantly expand, 2010, Chinese projector market sales volume is 1,100,000, increases by 37.5% compared to 2009.From this 10 years
From the point of view of state's projector market development, Chinese projector market scale increases by 18 times, and its average growth rate per annum is 39.14%, OK
Industry is in high-speed development period.
From the point of view of following development form of industry, education is still industry future development pillar field.According to statistics,
The shared institute of kindergarten 12.91 ten thousand in the whole nation in 2010, institute of primary school 39.42 ten thousand, the institute of general high school 7.90 ten thousand, common medium universities and colleges 3047
Institute, institute of higher education school 1778, it is equipped with a projecting apparatus by each classroom and calculates, shows that China's only education is gone according to related data
Industry market capacity is just up to more than 11,000,000, and if being calculated according to projection occupation rate, projecting apparatus can account for 14%-28% or so
(not including market maintenance), and education market reality sales volume in 2010 is less than 500,000.
Projecting apparatus is more and more extensive in the use of education sector, but projecting apparatus has the drawback that inconvenient tune now
Section, when projected position changes, it is necessary to artificial de-regulation, so both waste of manpower resources, resource of losing time again, so designing
A kind of multimedia teaching is necessary with indoor distance learning equipment.
The content of the invention
It is an object of the invention to provide a kind of multimedia teaching with indoor distance learning equipment, to solve above-mentioned background
The problem of being proposed in technology.
In order to solve the above-mentioned technical problem, the present invention provides following technical scheme：A kind of indoor long distance of multimedia teaching
From teaching equipment, including projection cloth, the first servomotor, convex fixed block, the first threaded rod, the first retainer ring, the first rotation
Motor, the second retainer ring, rotating shaft, projecting apparatus, first angle sensor, the second threaded rod, fixed block, the 3rd threaded rod, fixation
It is sliding block, the second electric rotating machine, output shaft, threaded sleeve, circular fixed block, the second servomotor, second angle sensor, automatically controlled
Case, control panel, PLC and battery, the opposite ends of first threaded rod are mounted on convex fixed block, described convex
The side of shape fixed block is provided with the first servomotor, the first threaded rod opposite ends be respectively sleeved on the first retainer ring and
Second retainer ring, connected between first retainer ring and the second retainer ring by rotating shaft, projection cloth be installed in the rotating shaft,
The side of first retainer ring is provided with the first electric rotating machine, and the output shaft of the first electric rotating machine passes through shaft coupling and rotating shaft
Connection, the opposite ends of the 3rd threaded rod are mounted on fixed block, and the side of the fixed block is provided with the second servo electricity
Machine, fixed sliding block is socketed with the 3rd threaded rod, the bottom interior wall of the fixed sliding block has been bolted the second rotation
Rotating motor, the output shaft of second electric rotating machine pass through the bottom of fixed sliding block to be connected with the second threaded rod, the output shaft
On be socketed with threaded sleeve, and threaded sleeve is connected by the bottom welded with fixation sliding block, the bottom of second threaded rod
It is connected by bearing with circular fixed block, the bottom of the circular fixed block has been bolted projecting apparatus, the projecting apparatus
Bottom electric cabinet is installed, the side of the electric cabinet is provided with control panel, and the inside of the electric cabinet is provided with PLC controls
Device and battery, the side opposite ends of the projecting apparatus are separately installed with first angle sensor and second angle sensor,
The first angle sensor is electrically connected with the X0 inputs of PLC, and the Y0 output ends of the PLC are electrically connected with
Second servomotor, the second angle sensor are electrically connected with the X1 inputs of PLC, the Y1 of the PLC
Output end is electrically connected with the second electric rotating machine, and the control panel is electrically connected with the first electric rotating machine and the first servomotor.
Further, the PLC is a kind of SIMATIC S7-300PLC controllers.
Further, screwed hole is offered at the center of first retainer ring, the second retainer ring and fixed sliding block.
Further, the corresponding both sides of the projecting apparatus offer heat emission hole.
Compared with prior art, the beneficial effect that is reached of the present invention is：The teaching equipment, by manipulating control panel, make
First electric rotating machine works, and so as to drive axis of rotation, realizes the folding and unfolding of projection cloth, avoids projection cloth from taking up space, be advantageous to
The utilization rate of room for promotion；By manipulating control panel, the first servomotor is worked, drive the first threaded rod to rotate, so that
First retainer ring and the second retainer ring are moved on the first threaded rod, can complete the regulation of projection cloth right position；Pass through
One angular transducer monitors projecting apparatus and the angle value of projection cloth horizontal direction in real time, when angle value does not reach PLC
During preset value, PLC controls the work of the second servomotor, rotates the 3rd threaded rod, so as to drive fixed sliding block or so
Motion, realizes the regulation of the horizontal direction of projecting apparatus, is advantageous to the left and right adjusting of projected picture, while second angle sensor is real
When monitor the angle value of projecting apparatus and projection cloth vertical direction, when angle value does not reach the preset value of PLC, PLC controls
Device processed controls the work of the second electric rotating machine, drives the second threaded rod to rotate by output shaft, realizes the fortune of projecting apparatus vertical direction
It is dynamic, be advantageous to the regulation up and down of projected picture, projected picture can be made to be in the centre position of projection cloth in real time, complete intelligence and adjust
Section, improve operating efficiency.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the projection cloth overall structure diagram of the present invention；
Fig. 2 is the projection cloth overall structure diagram of the present invention；
Fig. 3 is the projecting apparatus overall structure diagram of the present invention；
Fig. 4 is the projecting apparatus overall structure diagram of the present invention；
Fig. 5 is the electric cabinet internal structure schematic diagram of the present invention；
In figure：1- projection cloths；The servomotors of 2- first；3- convex fixed blocks；The threaded rods of 4- first；The retainer rings of 5- first；
The electric rotating machines of 6- first；The retainer rings of 7- second；8- rotating shafts；9- projecting apparatus；10- first angle sensors；The threaded rods of 11- second；
12- fixed blocks；The threaded rods of 13- the 3rd；14- fixes sliding block；The electric rotating machines of 15- second；16- output shafts；17- threaded sleeves；18-
Circular fixed block；The servomotors of 19- second；20- second angle sensors；21- electric cabinets；22- control panels；23-PLC is controlled
Device；24- batteries.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-5 are referred to, the present invention provides a kind of technical scheme：A kind of multimedia teaching is set with indoor distance learning
It is standby, including projection cloth 1, the first servomotor 2, convex fixed block 3, the first threaded rod 4, the first retainer ring 5, the first electric rotating machine
6th, the second retainer ring 7, rotating shaft 8, projecting apparatus 9, first angle sensor 10, the second threaded rod 11, fixed block 12, the 3rd threaded rod
13rd, fixed sliding block 14, the second electric rotating machine 15, output shaft 16, threaded sleeve 17, circular fixed block 18, the second servomotor 19,
Second angle sensor 20, electric cabinet 21, control panel 22, PLC 23 and battery 24, the correspondence two of the first threaded rod 4
End is mounted on convex fixed block 3, and the side of convex fixed block 3 is provided with the first servomotor 2, the first threaded rod 4 corresponding two
End is respectively sleeved on the first retainer ring 5 and the second retainer ring 7, is connected between the first retainer ring 5 and the second retainer ring 7 by rotating shaft 8
Connect, projection cloth 1 is installed in rotating shaft 8, the side of the first retainer ring 5 is provided with the first electric rotating machine 6, and the first electric rotating machine 6
Output shaft be connected by shaft coupling with rotating shaft 8, the opposite ends of the 3rd threaded rod 13 are mounted on fixed block 12, fixed block 12
Side the second servomotor 19 is installed, fixed sliding block 14 is socketed with the 3rd threaded rod 13, in the bottom of fixed sliding block 14
Wall has been bolted the second electric rotating machine 15, the output shaft 16 of the second electric rotating machine 15 pass through the bottom of fixed sliding block 14 with
Second threaded rod 11 connects, and threaded sleeve 17 is socketed with output shaft 16, and threaded sleeve 17 passes through welding and fixed sliding block 14
Bottom connection, the bottom of the second threaded rod 11 is connected by bearing with circular fixed block 18, and the bottom of circular fixed block 18 leads to
To cross bolt and be fixed with projecting apparatus 9, the bottom of projecting apparatus 9 is provided with electric cabinet 21, and the side of electric cabinet 21 is provided with control panel 22,
The inside of electric cabinet 21 is provided with PLC 23 and battery 24, and the side opposite ends of projecting apparatus 9 are separately installed with first
Angular transducer 10 and second angle sensor 20, first angle sensor 10 are electrically connected with the X0 inputs of PLC 23,
The Y0 output ends of PLC 23 are electrically connected with the second servomotor 19, and second angle sensor 20 is electrically connected with PLC
23 X1 inputs, the Y1 output ends of PLC 23 are electrically connected with the second electric rotating machine 15, and control panel 22 is electrically connected with first
The servomotor 2 of electric rotating machine 6 and first.
Further, PLC 23 is a kind of SIMATIC S7-300PLC controllers, and stable performance, output end can be more
Connect.
Further, screwed hole is offered at the center of the first retainer ring 5, the second retainer ring 7 and fixed sliding block 14, just
In slip.
Further, the corresponding both sides of projecting apparatus 9 offer heat emission hole, are easy to radiate.
Operation principle：The side of electric cabinet 21 is provided with control panel 22, and projection cloth 1, the first retainer ring are provided with rotating shaft 8
5 side is provided with the first electric rotating machine 6, and the output shaft of the first electric rotating machine 6 is connected by shaft coupling with rotating shaft 8, is passed through
Control panel 22 is manipulated, the first electric rotating machine 6 is worked, so as to drive rotating shaft 8 to rotate, realizes the folding and unfolding of projection cloth 1, avoid projecting
Cloth 1 takes up space, and is advantageous to the utilization rate of room for promotion；The side of electric cabinet 21 is provided with control panel 22, convex fixed block 3
Side is provided with the first servomotor 2, and the opposite ends of the first threaded rod 4 are respectively sleeved on the first retainer ring 5 and the second retainer ring
7, by manipulating control panel 22, the first servomotor 2 is worked, drive the first threaded rod 4 to rotate, so that the first retainer ring 5
Moved with the second retainer ring 7 on the first threaded rod 4, the regulation of the right position of projection cloth 1 can be completed；The side of projecting apparatus 9
Opposite ends are separately installed with first angle sensor 10 and second angle sensor 20, and the side of fixed block 12 is provided with second
Servomotor 19, fixed sliding block 14 is socketed with the 3rd threaded rod 13, and the bottom interior wall of fixed sliding block 14 has been bolted
Second electric rotating machine 15, the output shaft 16 of the second electric rotating machine 15 pass through the bottom of fixed sliding block 14 to connect with the second threaded rod 11
Connect, threaded sleeve 17 is socketed with output shaft 16, and threaded sleeve 17 is connected by the bottom welded with fixed sliding block 14, second
The bottom of threaded rod 11 is connected by bearing with circular fixed block 18, and the bottom of circular fixed block 18 has been bolted projection
Instrument 9, the angle value of projecting apparatus 9 and the horizontal direction of projection cloth 1 is monitored in real time by first angle sensor 10, when angle value is not up to
To PLC 23 preset value when, PLC 23 control the second servomotor 19 work, rotate the 3rd threaded rod 13,
So as to drive the fixed side-to-side movement of sliding block 14, the regulation of the horizontal direction of projecting apparatus 9 is realized, the left and right for being advantageous to projected picture is adjusted
Section, while second angle sensor 20 monitors the angle value of projecting apparatus 9 and the vertical direction of projection cloth 1 in real time, when angle value is not up to
To PLC 23 preset value when, PLC 23 controls the second electric rotating machine 15 to work, and the is driven by output shaft 16
Two threaded rods 11 rotate, and realize the motion of the vertical direction of projecting apparatus 9, are advantageous to the regulation up and down of projected picture, can make projection
Picture is in the centre position of projection cloth 1 in real time, completes Intelligent adjustment, improves operating efficiency.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (4)
1. a kind of indoor distance learning equipment of multimedia teaching, including projection cloth (1), the first servomotor (2), convex are solid
Determine block (3), the first threaded rod (4), the first retainer ring (5), the first electric rotating machine (6), the second retainer ring (7), rotating shaft (8), throwing
Shadow instrument (9), first angle sensor (10), the second threaded rod (11), fixed block (12), the 3rd threaded rod (13), fixed sliding block
(14), the second electric rotating machine (15), output shaft (16), threaded sleeve (17), circular fixed block (18), the second servomotor
(19), second angle sensor (20), electric cabinet (21), control panel (22), PLC (23) and battery (24), it is special
Sign is：The opposite ends of first threaded rod (4) are mounted on convex fixed block (3), and the one of the convex fixed block (3)
Side is provided with the first servomotor (2), and the first threaded rod (4) opposite ends are respectively sleeved on the first retainer ring (5) and
Two retainer rings (7), connected between first retainer ring (5) and the second retainer ring (7) by rotating shaft (8), on the rotating shaft (8)
Projection cloth (1) is installed, the side of first retainer ring (5) is provided with the first electric rotating machine (6), and the first electric rotating machine
(6) output shaft is connected by shaft coupling with rotating shaft (8), and the opposite ends of the 3rd threaded rod (13) are mounted on fixed block
(12), the side of the fixed block (12) is provided with the second servomotor (19), is socketed with the 3rd threaded rod (13) solid
Fixed slider (14), the bottom interior wall of the fixed sliding block (14) have been bolted the second electric rotating machine (15), and described second
The output shaft (16) of electric rotating machine (15) passes through the bottom of fixed sliding block (14) to be connected with the second threaded rod (11), the output shaft
(16) threaded sleeve (17) is socketed with, and threaded sleeve (17) is connected by the bottom welded with fixed sliding block (14), it is described
The bottom of second threaded rod (11) is connected by bearing with circular fixed block (18), and the bottom of the circular fixed block (18) passes through
Bolt is fixed with projecting apparatus (9), and the bottom of the projecting apparatus (9) is provided with electric cabinet (21), the side of the electric cabinet (21)
Control panel (22) is installed, the inside of the electric cabinet (21) is provided with PLC (23) and battery (24), the projection
The side opposite ends of instrument (9) are separately installed with first angle sensor (10) and second angle sensor (20), and described first
Angular transducer (10) is electrically connected with the X0 inputs of PLC (23), and the Y0 output ends of the PLC (23) are electrical
The second servomotor (19) is connected, the second angle sensor (20) is electrically connected with the X1 inputs of PLC (23), institute
The Y1 output ends for stating PLC (23) are electrically connected with the second electric rotating machine (15), and the control panel (22) is electrically connected with first
Electric rotating machine (6) and the first servomotor (2).
A kind of 2. indoor distance learning equipment of multimedia teaching according to claim 1, it is characterised in that：It is described
PLC (23) is a kind of SIMATIC S7-300PLC controllers.
A kind of 3. indoor distance learning equipment of multimedia teaching according to claim 1, it is characterised in that：Described
Screwed hole is offered at the center of one retainer ring (5), the second retainer ring (7) and fixed sliding block (14).
A kind of 4. indoor distance learning equipment of multimedia teaching according to claim 1, it is characterised in that：The throwing
The corresponding both sides of shadow instrument (9) offer heat emission hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710682827.9A CN107481555A (en) | 2017-08-11 | 2017-08-11 | A kind of indoor distance learning equipment of multimedia teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710682827.9A CN107481555A (en) | 2017-08-11 | 2017-08-11 | A kind of indoor distance learning equipment of multimedia teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107481555A true CN107481555A (en) | 2017-12-15 |
Family
ID=60599238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710682827.9A Pending CN107481555A (en) | 2017-08-11 | 2017-08-11 | A kind of indoor distance learning equipment of multimedia teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107481555A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111489594A (en) * | 2020-05-09 | 2020-08-04 | 兰州石化职业技术学院 | Man-machine interaction platform |
| WO2022001853A1 (en) * | 2020-06-29 | 2022-01-06 | 海信视像科技股份有限公司 | Display device and screen correction method |
| CN113895851A (en) * | 2021-09-14 | 2022-01-07 | 浙江华眼视觉科技有限公司 | Supplementary equipment of selecting of light |
-
2017
- 2017-08-11 CN CN201710682827.9A patent/CN107481555A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111489594A (en) * | 2020-05-09 | 2020-08-04 | 兰州石化职业技术学院 | Man-machine interaction platform |
| CN111489594B (en) * | 2020-05-09 | 2022-02-18 | 兰州石化职业技术学院 | Man-machine interaction platform |
| WO2022001853A1 (en) * | 2020-06-29 | 2022-01-06 | 海信视像科技股份有限公司 | Display device and screen correction method |
| CN113895851A (en) * | 2021-09-14 | 2022-01-07 | 浙江华眼视觉科技有限公司 | Supplementary equipment of selecting of light |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171215 |