CN206421604U - A kind of Mobile multimedia teaching equipment - Google Patents
A kind of Mobile multimedia teaching equipment Download PDFInfo
- Publication number
- CN206421604U CN206421604U CN201621277351.8U CN201621277351U CN206421604U CN 206421604 U CN206421604 U CN 206421604U CN 201621277351 U CN201621277351 U CN 201621277351U CN 206421604 U CN206421604 U CN 206421604U
- Authority
- CN
- China
- Prior art keywords
- platform
- teaching equipment
- multimedia teaching
- mobile multimedia
- sliding block
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of Mobile multimedia teaching equipment, including support meanss, the support meanss include being provided with the support frame of chute, support frame as described above is provided with rack on one side, the sliding block moved horizontally along chute is provided with chute, the sliding block upper surface is provided with platform, the platform is connected with display screen by support bar, the sliding block is connected by drive device with gear, the drive device is used to provide power for gear, the wheel and rack engagement, teacher can be as needed, the position of convenient regulation display screen, facilitate teacher's writing on the blackboard, so that teacher is not limited in front of multimedia equipment.
Description
Technical field
The utility model is related to a kind of intelligent multimedia for teaching and follows the trail of platform, and in particular to one kind is removable more
Multi media for teaching equipment.
Background technology
At present, no matter in University classroom or in the classroom of middle and primary schools, teacher can use many during giving lessons
Multi media for teaching, the multimedia equipment almost generally existing in the classroom of China.Recognize by inquiry, multimedia device
General to be all placed on the one side in the middle of dais or dais, so, teacher usually travels to and fro between blackboard and many during giving lessons
Between media, the burden of teacher is added, the writing on the blackboard of teacher and PPT can not accomplish effective interaction.
The content of the invention
To solve the above problems, the utility model provides Mobile multimedia teaching equipment, the utility model design is closed
Reason, by setting the display screen that can be moved easily both to adjust display screen and the distance of teacher in real time, can make teacher give lessons
Both the position of display screen can be adjusted in journey as needed, writing on the blackboard can be easily write again so that blackboard and multimedia are effectively tied
Altogether, maximum effect is played.
To reach above-mentioned purpose, Mobile multimedia teaching equipment described in the utility model includes support meanss, the branch
Support arrangement, which includes being provided with rack, chute on the support frame for being provided with chute, one side of support frame as described above, to be provided with along chute
The sliding block moved horizontally, the sliding block upper surface is provided with platform, and the platform is connected with display screen, the cunning by support bar
Block is connected by drive device with gear, and the drive device is used to provide power, the wheel and rack engagement for gear.
The support bar includes first connecting rod and second connecting rod, and first connecting rod one end is hinged with platform, and the other end passes through the
One bearing pin is connected with the first connecting seat, described second connecting rod one end by the second bearing pin be connected to connecting seat side, the other end with
Display screen is hinged, and first bearing pin is mutually perpendicular to the second bearing pin.
Also include spring, the spring one end is fixed on connecting seat, and the other end is connected with second connecting rod.
The two ends of the platform are respectively arranged with travel switch.
Being provided with to offer on the guide rail for limiting sliding block mobile route, sliding block on support frame as described above is available for guide rail to pass through
Pilot hole.
The drive device is stepper motor.
Also include ultrasonic sensor and single-chip microcomputer, the drive device is rotated for drive gear, and the ultrasonic wave is passed
Sensor is used to measure distance between people and platform, and by the distance between people and platform information transmission to single-chip microcomputer, the monolithic
Machine is used for the range information for receiving ultrasonic sensor transmission, and the information and pre-determined distance are compared, and according to comparing knot
Fruit controls the start and stop of drive device.
Also include being used for detecting on dais whether the infrared sensor of someone.
Compared with prior art, the utility model at least has following beneficial technique effect, and the utility model is provided with can
Display screen is connected with mobile platform, platform, teacher can easily adjust position of the display screen on dais as needed,
Facilitate teacher's writing on the blackboard so that teacher is not limited in front of multimedia equipment, can make teacher while multimedia presentation,
The writing of teacher's writing on the blackboard can be facilitated, increase efficiency of giving lessons, improve the quality of teaching.
The support bar includes first connecting rod and second connecting rod, and first connecting rod one end is hinged with platform, and the other end passes through the
One bearing pin is connected with the first connecting seat, described second connecting rod one end by the second bearing pin be connected to connecting seat side, the other end with
Display screen is hinged, and first bearing pin is mutually perpendicular to the second bearing pin, and teacher can be aobvious according to the height of oneself and hobby regulation
The angle of pitch and height of display screen, when not in use, display screen can be embedded in wall, saved floor space, avoided simultaneously
The accidental damage that display screen occurs outside by exposure.
Also include spring, the spring one end is fixed on connecting seat, and the other end is connected with second connecting rod, passes through spring 19
Pretightning force is applied to connecting rod, connecting rod can be made to stop at an arbitrary position, so as to realize that display screen can be static at an arbitrary position.
The two ends of the platform are respectively arranged with travel switch, when encountering barrier, at once stop motion, it is to avoid driving dress
Put and damaged because caused by working long hours.
Being provided with to offer on the guide rail for limiting sliding block mobile route, sliding block on support frame as described above is available for guide rail to pass through
Pilot hole, can specification sliding block movement path, make sliding block band moving platform and display screen steadily move.
The drive device is stepper motor, high with precision, responds fast advantage.
Also include ultrasonic sensor and single-chip microcomputer, the drive device is rotated for drive gear, and the ultrasonic wave is passed
Sensor is used to measure distance between people and platform, and by the distance between people and platform information transmission to single-chip microcomputer, the monolithic
Machine is used for the range information for receiving ultrasonic sensor transmission, and the information and pre-determined distance are compared, and according to comparing knot
Fruit controls the start and stop of drive device, can measuring table and teacher in real time distance, as the sonac measurement present apparatus and people
After distance, the distance for being judged the distance of people and device by SCM program and being set before is compared, and is driven and filled by single-chip microcomputer control
Put 10 and realize that device is moved in real time, so that follow the trail of platform keeps constant distance with people.
Also include being used for detecting on dais whether the infrared sensor of someone, when detect someone when, restart ultrasound
Wave sensor, saves the energy.
Brief description of the drawings
Fig. 1 is the utility model application scenario；
Fig. 2 is the utility model apparatus structure schematic diagram；
Fig. 3 is the original state figure when present apparatus does not work；
Fig. 4 is removable follow-up mechanism structure chart (front)；
Fig. 5 is removable follow-up mechanism structure chart (back side)；
Fig. 6 is removable follow-up mechanism (front)；
Fig. 7 is removable follow-up mechanism (back side)；
Fig. 8 is can the lever apparatus schematic diagram of self-locking four；
Fig. 9 is support device structure figure.
Figure 10 is the drive device position view for following the trail of platform；
Figure 11 is platform top view；
In accompanying drawing：1st, blackboard, 2, follow-up mechanism, 3, support meanss, 4, dais, 5, display screen, 6, support bar, 61, first
Connecting rod, the 62, first bearing pin, the 63, first connecting seat, the 64, second bearing pin, 65, second connecting rod, the 66, second connecting seat, 7, platform,
8th, sliding block, 9, gear, 10, drive device, 11, pilot hole, 12, infrared sensor, 13, ultrasonic sensor, the 14, first stroke
Switch, the 15, second travel switch, 16, support frame, 17, rack, 18, guide rail, 19, spring, 20, supervisory control desk.
Embodiment
The utility model is further described with reference to the accompanying drawings and detailed description.
Referring to Fig. 1 to Fig. 2, the utility model is given lessons for teacher in classroom, including dynamic follow-up mechanism 2 and support meanss
3, support meanss 3 are used to support removable follow-up mechanism 2, and support meanss 3 are arranged on the top of dais 4, the front position of blackboard 1
Put.
Reference picture 4 to Fig. 7, follow-up mechanism 2 includes display screen 5, and display screen 5 is hinged on platform 7 by support bar 6, is put down
The lower surface of platform 7 is provided with sliding block 8, and the lower end of sliding block 8 is provided with the stepper motor rotated for drive gear 9, and stepper motor is passed through
Chute is connected with gear 9 by bearing, under the drive of stepper motor, and gear 9 can be moved horizontally with movable slider 8 along chute, step
Stepper motor has precision high, responds fast advantage, and teacher can move the forward, reverse or stop of remote control control stepper motor
Only, and then the direction of motion and start and stop of the control slide block 8 in chute.
Referring to Fig. 8, support bar 6 for can the lever apparatus of self-locking four, including first connecting rod 61, one end of first connecting rod 61 is hinged on
On platform 7, first connecting rod is set to horizontally rotate around jointed shaft, so as to adjust the horizontal level of display screen, the other end passes through perpendicular
The first bearing pin 62 directly set is connected with the first connecting seat 63, and the connecting seat passes through horizontally disposed second bearing pin 64 and second
The one end of connecting rod 65 is hinged, and second connecting rod is rotated around the second bearing pin, so that the height of display screen is adjusted, second connecting rod 65
The other end is hinged with display screen 5 by the second connecting seat 66, and teacher can adjust the angle of pitch of display screen according to actual needs, no
When needing to use the display screen to be demonstrated, display screen can be embedded in wall, saved also solid on floor space, connecting seat 63
Surely there is one end of spring 19, the other end of spring 19 is connected with second connecting rod 65, pretightning force is applied to connecting rod by spring 19, can
So that connecting rod is stopped at an arbitrary position, so as to realize that display screen can be static at an arbitrary position.
Referring to Fig. 3, further preferred scheme, in addition to infrared sensor 12, ultrasonic sensor 13 and list are used as
Piece machine (model：STM32), the single-chip microcomputer and host computer are arranged in supervisory control desk 20, and supervisory control desk 20 is arranged on dais
Side, due to the multimedia device in present multi-media classroom be typically all placed on classroom middle or partially a bit, so
Writing on the blackboard should be write during causing teacher at school and sees computer multi-media again, the utility model is by the display in multimedia
Separated with other multimedia equipments, and supervisory control desk 20 is arranged on corner, display can follow the shifting of teacher
Move and move.Infrared sensor 12 and ultrasonic sensor 13 are arranged at the side of platform 7, and infrared sensor 12 is said for detection
On platform whether someone, when detect someone when, by the information transmission to single-chip microcomputer, ultrasonic sensor is started by single-chip microcomputer
13, the energy can be so saved, ultrasonic sensor 13 is used to measure distance between people and platform 7, and by between people and platform
Range information be transferred to single-chip microcomputer, single-chip microcomputer is used for the range information for receiving the transmission of ultrasonic sensor 13, by the information with
Pre-determined distance is compared, and controls the start and stop of drive device according to comparative result, and follow-up mechanism and teacher can be measured in real time
Distance, after sonac measures the distance of the present apparatus and people, the distance and before of people and device is judged by SCM program
The distance of setting compares, by single-chip microcomputer control drive device 10 realize that device is moved in real time so that follow the trail of platform automatically with
People keeps constant distance, while teacher can easily adjust position of the display screen on dais as needed, facilitates religion
Teacher's writing on the blackboard so that teacher is not limited in front of multimedia equipment, can be made teacher while multimedia presentation, can also be facilitated
The writing of teacher's writing on the blackboard, increases efficiency of giving lessons, improves the quality of teaching.
Reference picture 9 and Figure 10, support meanss 3 include support frame 16, support frame 16 by an evolution openings rectangle and
Support its four supporting legs to constitute, guide rail 18 and the rack 17 engaged with gear 9, follow-up mechanism 2 are provided with support frame 16
It can move back and forth in support meanss 3, the guide rail 18 for limiting follow-up mechanism motion path is provided with support meanss 3,
The pilot hole 11 for being available for guide rail 18 to pass through is offered on sliding block 8, can specification follow-up mechanism path, while making follow-up mechanism steady
It is mobile.
Reference picture 11, the left and right ends of the platform 7 are respectively arranged with the first travel switch 14 and the second travel switch 15,
Follow-up mechanism encounter support frame end or barrier constantly, can stop motion at once, can anti-limited slip block or platform run into barrier
When hindering thing to continue motion, and the damage of motor caused by motor still continuous firing.
The utility model is as follows using process：
Supervisory control desk 20 preset teacher and follow-up mechanism apart from initial distance, (system has preset value, Lao Shiye
Can be self-defined according to own situation) when infrared sensor 12 detects someone at dais, by the information transmission to single-chip microcomputer,
Sonac 13 is started by single-chip microcomputer, the distance between follow-up mechanism and teacher are measured by sonac 13, and should
Range information is transferred to single-chip microcomputer, is compared the distance with default distance by single-chip microcomputer, and electricity is controlled according to comparative result
The rotating or closing of machine, if apart from the initial value more than setting, just control stepper motor output shaft is rotated forward；If apart from small
In the initial value of setting, motor output shaft is inverted, stepper motor output shaft band moving gear 9 is rotated or stopped on rack, is led to
Cross gear 9 and rack 17 is engaged so that follow-up mechanism 2 is moved, the distance between holding follow-up mechanism 2 and people are in OK range
It is interior, the personnel of giving lessons so are ensured that in the moving process of dais, and intelligent multimedia, which follows the trail of platform, can accomplish real-time tracking.Under
After class, follow-up mechanism is pushed into initial position, and display screen gone to parallel with blackboard, it is to avoid display screen is damaged.
Claims (8)
1. a kind of Mobile multimedia teaching equipment, it is characterised in that including support meanss (3), the support meanss (3) include
It is provided with to be provided with rack (17), chute on the support frame (16) of chute, (16) sides of support frame as described above and is provided with along cunning
The sliding block (8) that groove is moved horizontally, sliding block (8) upper surface is provided with platform (7), and the platform (7) is connected by support bar (6)
Display screen (5) is connected to, the sliding block (8) is connected by drive device (10) with gear (9), the drive device (10) is for being
Gear provides power, and the gear (9) is engaged with rack (17).
2. Mobile multimedia teaching equipment according to claim 1, it is characterised in that the support bar (6) includes the
One connecting rod (61) and second connecting rod (65), first connecting rod (61) one end are hinged with platform (7), and the other end passes through the first bearing pin (62)
It is connected with the first connecting seat (63), described second connecting rod (65) one end is connected to connecting seat (63) side by the second bearing pin (64)
Face, the other end is hinged with display screen (5), and first bearing pin (62) is mutually perpendicular to the second bearing pin (64).
3. Mobile multimedia teaching equipment according to claim 2, it is characterised in that described also including spring (19)
Spring (19) one end is fixed on connecting seat (63), and the other end is connected with second connecting rod (65).
4. Mobile multimedia teaching equipment according to claim 1, it is characterised in that platform (7) the two ends difference
It is provided with travel switch.
5. Mobile multimedia teaching equipment according to claim 1, it is characterised in that set on support frame as described above (16)
Have and offer the pilot hole for being available for guide rail (18) to pass through on the guide rail (18) for limiting sliding block (8) mobile route, sliding block (8)
(11)。
6. Mobile multimedia teaching equipment according to claim 1, it is characterised in that the drive device (10) is step
Stepper motor.
7. Mobile multimedia teaching equipment according to claim 1, it is characterised in that also including ultrasonic sensor
(13) and single-chip microcomputer, the drive device (10) rotates for drive gear, and the ultrasonic sensor (13) is used to measure people
The distance between platform (7), and by the distance between people and platform (7) information transmission to single-chip microcomputer, the single-chip microcomputer is used to connect
The range information of ultrasonic sensor (13) transmission is received, the information and pre-determined distance are compared, and according to comparative result control
The start and stop of drive device (10) processed.
8. Mobile multimedia teaching equipment according to claim 1, it is characterised in that also including for detecting dais
Whether the infrared sensor (12) of someone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621277351.8U CN206421604U (en) | 2016-11-25 | 2016-11-25 | A kind of Mobile multimedia teaching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621277351.8U CN206421604U (en) | 2016-11-25 | 2016-11-25 | A kind of Mobile multimedia teaching equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206421604U true CN206421604U (en) | 2017-08-18 |
Family
ID=59578489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621277351.8U Expired - Fee Related CN206421604U (en) | 2016-11-25 | 2016-11-25 | A kind of Mobile multimedia teaching equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206421604U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108376517A (en) * | 2017-12-26 | 2018-08-07 | 安徽新视野科教文化股份有限公司 | A kind of correct addressing apparatus for demonstrating of building |
| CN110910711A (en) * | 2019-10-31 | 2020-03-24 | 安徽踏极智能科技有限公司 | Remote observation system for piano teaching |
| CN112365775A (en) * | 2020-12-23 | 2021-02-12 | 张振威 | Convenient statistical chart demonstration teaching board who adjusts |
-
2016
- 2016-11-25 CN CN201621277351.8U patent/CN206421604U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108376517A (en) * | 2017-12-26 | 2018-08-07 | 安徽新视野科教文化股份有限公司 | A kind of correct addressing apparatus for demonstrating of building |
| CN110910711A (en) * | 2019-10-31 | 2020-03-24 | 安徽踏极智能科技有限公司 | Remote observation system for piano teaching |
| CN112365775A (en) * | 2020-12-23 | 2021-02-12 | 张振威 | Convenient statistical chart demonstration teaching board who adjusts |
| CN112365775B (en) * | 2020-12-23 | 2022-09-09 | 佛山市天诚工程造价咨询有限公司 | Convenient statistical chart demonstration teaching board who adjusts |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170818 Termination date: 20171125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |