CN111006111A - Portable multimedia mobile teaching device - Google Patents
Portable multimedia mobile teaching device Download PDFInfo
- Publication number
- CN111006111A CN111006111A CN201911215482.1A CN201911215482A CN111006111A CN 111006111 A CN111006111 A CN 111006111A CN 201911215482 A CN201911215482 A CN 201911215482A CN 111006111 A CN111006111 A CN 111006111A
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- China
- Prior art keywords
- install
- rotating shaft
- installation
- install bin
- pivot
- 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
- 238000009434 installation Methods 0.000 claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000004140 cleaning Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000003028 elevating effect Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Educational Technology (AREA)
- Educational Administration (AREA)
- Business, Economics & Management (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cleaning In General (AREA)
- Toys (AREA)
Abstract
The invention discloses a portable multimedia mobile teaching device, which comprises a base, wherein an installation box is arranged above the base, the installation box is connected with the base through a steering mechanism, a lifting mechanism is arranged in the installation box, and the lifting mechanism comprises: the motor, first pivot, the second pivot, the synchronizing wheel, the action wheel, the hold-in range, the third pivot, from the driving wheel, gear and drive belt, the motor links to each other with first pivot, the second pivot is installed to the inside right-hand member of install bin, all install the synchronizing wheel in first pivot and the second pivot, two synchronizing wheels pass through the hold-in range and rotate the connection, all install an action wheel in first pivot and the second pivot, three third pivot is installed respectively to first pivot and second pivot top, all install one in the six third pivots from driving wheel and gear, the action wheel passes through the drive belt rotation with following driving wheel and connects, install the installation frame in the install frame, install the display in the installation frame. The height and the orientation of the display are convenient to adjust, and the dustproof performance is good.
Description
Technical Field
The invention relates to the field of multimedia teaching devices, in particular to a portable multimedia mobile teaching device.
Background
Multimedia computer aided teaching is that multimedia computer is used to process and control various media information, such as symbol, language, text, sound, figure, image, etc. comprehensively, to combine the multimedia elements according to teaching requirement and display them via screen or projector, and to add sound cooperation and man-machine interaction between user and computer to complete teaching or training process.
The height and orientation of the display of the existing multimedia mobile teaching device are inconvenient to adjust, dust is easy to accumulate on the display, and the display is inconvenient to clean.
Disclosure of Invention
The present invention is directed to a portable multimedia mobile teaching device, which solves the problems set forth in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a portable multimedia removes teaching device, includes the base, the install bin is installed to the base top, the install bin passes through steering mechanism and is connected with the base rotation, install elevating system in the install bin, elevating system includes: the motor is installed at the left end inside the installation box, the output shaft of the motor is connected with the first rotating shaft through a coupler, the second rotating shaft is installed at the right end inside the installation box, one synchronizing wheel is installed on each of the first rotating shaft and the second rotating shaft, two synchronizing wheels are connected through the synchronous belt in a rotating mode, the driving wheel is installed on each of the first rotating shaft and the second rotating shaft, three third rotating shafts are installed above the first rotating shaft and the second rotating shaft in the installation box respectively, a driven wheel and a gear are installed on six third rotating shafts, the driving wheel and the driven wheel are connected through the transmission belt in a rotating mode, an installation frame is installed in the installation box, and the bottom of the installation frame is connected with the installation box through a plurality of springs, the utility model discloses a dustproof roof, including installation frame, gear running fit's tooth's socket is seted up to the left and right sides of installation frame, install the display in the installation frame, the top demountable installation of install bin has and is used for dirt-proof top cap, the top left end of install bin rotates and is connected with switching structure, switching structure links to each other with the clean mechanism that is used for cleaning the top cap, install the host computer in the install bin, the controller is installed in the install bin on the right side of host computer.
As a further scheme of the invention: the steering mechanism includes: first bracing piece, bearing, ratchet, end commentaries on classics ware and second bracing piece, the bottom of first bracing piece is passed through the bearing and is connected with the base rotation, the top of first bracing piece links to each other with the install bin, install the ratchet on the first bracing piece, the ware is only changeed to the right side of ratchet is installed, it links to each other with the base through the second bracing piece to end the commentaries on classics ware.
As a further scheme of the invention: the switching structure includes: the mounting device comprises mounting blocks, a first pin shaft, a connecting rod, two wheel sets and an elastic belt, wherein the mounting blocks are respectively mounted on two sides of a mounting box, the mounting blocks are rotatably connected with the mounting box through the first pin shaft and are connected with the mounting box through the connecting rod, the two wheel sets are mounted on the connecting rod, and the elastic belt is wound on the wheel sets.
As a further scheme of the invention: the cleaning mechanism includes: the novel electric toothbrush comprises a main body plate, a handle and a brush, wherein the main body plate is connected with an elastic belt, the handle is installed at the top end of the main body plate, and the brush is installed at the bottom of the main body plate.
As a further scheme of the invention: the handle is installed to the right-hand member of install bin, the handle rotates with the install bin through second round pin axle and is connected, set up the groove of accomodating that is used for depositing the handle on the install bin.
As a further scheme of the invention: the display and the host are electrically connected with the controller.
As a further scheme of the invention: the mounting box is provided with a heat dissipation groove.
Compared with the prior art, the invention has the beneficial effects that: when the portable multimedia mobile teaching device is used, the motor drives the first rotating shaft and the second rotating shaft to rotate, the first rotating shaft and the second rotating shaft drive the driving wheel to rotate, the driving wheel drives the driven wheel to rotate, the driven wheel drives the third rotating shaft and the gear to rotate, and the gear rotates to drive the mounting frame and the display to move upwards, so that the height of the display can be adjusted; the display and the first supporting rod are driven to rotate by rotating the installation box, the ratchet wheel is driven to rotate by rotating the first supporting rod, and the rotation of the ratchet wheel is limited by the rotation stopper, so that the orientation of the display can be adjusted; when the top cover needs to be cleaned, the switching structure is rotated to the position above the top cover, the handle is pulled to drive the main body plate and the hairbrush to move, and the top cover is cleaned through the hairbrush, so that the top cover is cleaned conveniently; when the handle is not used, the handle is rotated into the accommodating groove, so that the occupied space of the whole device is reduced. In conclusion, the height and the orientation of the display are convenient to adjust, the dustproof performance is good, and the cleaning is convenient.
Drawings
Fig. 1 is a front sectional view of the present invention.
Fig. 2 is a partial sectional view taken along line a-a in the front sectional view of the present invention.
Fig. 3 is a partial sectional view taken along line B-B in the front sectional view of the present invention.
Fig. 4 is a schematic perspective view of the present invention.
In the figure: 1-base, 2-caster, 3-steering mechanism, 301-first supporting rod, 302-bearing, 303-ratchet, 304-rotation stopper, 305-second supporting rod, 4-mounting box, 401-accommodating groove, 402-radiating groove, 5-top cover, 6-lifting mechanism, 601-motor, 602-first rotating shaft, 603-second rotating shaft, 604-synchronizing wheel, 605-driving wheel, 606-synchronizing belt, 607-third rotating shaft, 608-driven wheel, 609-gear, 610-driving belt, 7-mounting frame, 8-display, 9-spring, 10-handle, 11-switching structure, 111-mounting block, 112-first pin shaft, 113-connecting rod, 114-wheel set, 115-elastic band, 12-cleaning mechanism, 121-main body plate, 122-handle, 123-brush, 13-main machine, 14-controller, 15-second pin shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Referring to fig. 1 to 4, in an embodiment of the present invention, a portable multimedia mobile teaching device includes a base 1, an installation box 4 is installed above the base 1, the installation box 4 is rotatably connected to the base 1 through a steering mechanism 3, a lifting mechanism 6 is installed in the installation box 4, and the lifting mechanism 6 includes: the motor 601, the first rotating shaft 602, the second rotating shaft 603, the synchronizing wheel 604, the driving wheel 605, the synchronous belt 606, the third rotating shaft 607, the driven wheel 608, the gear 609 and the transmission belt 610, wherein the motor 601 is installed at the left end inside the installation box 4, the output shaft of the motor 601 is connected with the first rotating shaft 602 through the coupling, the second rotating shaft 603 is installed at the right end inside the installation box 4, the synchronizing wheel 604 is installed on the first rotating shaft 602 and the second rotating shaft 603, the two synchronizing wheels 604 are rotatably connected through the synchronous belt 606, the driving wheel 605 is installed on each of the first rotating shaft 602 and the second rotating shaft 603, the three third rotating shafts 607 are respectively installed in the installation box 4 above the first rotating shaft 602 and the second rotating shaft 603, the six third rotating shafts 607 are respectively installed with the driven wheel 608 and the gear 609, and the driving wheel 605 is rotatably connected with the driven wheel 608 through the transmission belt 610, install installation frame 7 in install bin 4, the bottom of installation frame 7 links to each other with install bin 4 through a plurality of springs 9, install the left and right sides of installation frame 7 seted up with gear 609 normal running fit's tooth's socket, install display 8 in the installation frame 7, install bin 4's top demountable installation has and is used for dirt-proof top cap 5, install bin 4's top left end is rotated and is connected with adapting structure 11, adapting structure 11 includes: installation piece 111, first round pin axle 112, connecting rod 113, wheelset 114 and elastic webbing 115, an installation piece 111 is installed respectively to the both sides of install bin 4, installation piece 111 rotates with install bin 4 through first round pin axle 112 to be connected, two installation piece 111 passes through connecting rod 113 and links to each other, install two wheelsets 114 on the connecting rod 113, the winding has elastic webbing 115 on the wheelset 114, switching structure 11 links to each other with clean mechanism 12 that is used for cleaning top cap 5, clean mechanism 12 includes: main part board 121, handle 122 and brush 123, main part board 121 links to each other with elastic webbing 115, handle 122 is installed on the top of main part board 121, brush 123 is installed to the bottom of main part board 121, handle 10 is installed to the right-hand member of install bin 4, handle 10 rotates with install bin 4 through second round pin axle 15 and is connected, set up the groove 401 of accomodating that is used for depositing handle 10 on the install bin 4, install host computer 13 in the install bin 4, controller 14 is installed in install bin 4 on the right side of host computer 13, display 8 and host computer 13 and controller 14 electric connection, radiating groove 402 has been seted up on the install bin 4, a plurality of truckles 2 that have the footbrake are installed to the bottom of base 1.
Example 2
Referring to fig. 1-2, in the embodiment of the present invention, the steering mechanism 3 includes: first bracing piece 301, bearing 302, ratchet 303, rotation stopping ware 304 and second bracing piece 305, bearing 302 is passed through to the bottom of first bracing piece 301 and is connected with base 1 rotation, the top of first bracing piece 301 links to each other with install bin 4, install ratchet 303 on the first bracing piece 301, rotation stopping ware 304 is installed on the right side of ratchet 303, rotation stopping ware 304 links to each other with base 1 through second bracing piece 305.
When the portable multimedia mobile teaching device is used, the motor 601 drives the first rotating shaft 602 and the second rotating shaft 603 to rotate, the first rotating shaft 602 and the second rotating shaft 603 rotate to drive the driving wheel 605 to rotate, the driving wheel 605 rotates to drive the driven wheel 608 to rotate, the driven wheel 608 rotates to drive the third rotating shaft 607 and the gear 609 to rotate, and the gear 609 rotates to drive the mounting frame 7 and the display 8 to move upwards, so that the height of the display 8 can be adjusted; the display 8 and the first supporting rod 301 are driven to rotate by rotating the installation box 4, the ratchet wheel 303 is driven to rotate by rotating the first supporting rod 301, and the rotation of the ratchet wheel 303 is limited by the rotation stopper 304, so that the orientation of the display 8 can be adjusted; when the top cover 5 needs to be cleaned, the adapter structure 11 is rotated to the position above the top cover 5, the handle 122 is pulled to drive the main body plate 121 and the hairbrush 123 to move, the top cover 5 is cleaned through the hairbrush 123, and the top cover 5 is cleaned conveniently; when the handle 10 is not in use, it is rotated into the receiving groove 401, which is advantageous to reduce the occupied space of the entire apparatus.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a portable multimedia removes teaching device, includes base (1), its characterized in that, install bin (4) above base (1), install bin (4) and rotate with base (1) through steering mechanism (3) and be connected, install elevating system (6) in install bin (4), elevating system (6) include: the automatic transmission device comprises a motor (601), a first rotating shaft (602), a second rotating shaft (603), synchronizing wheels (604), a driving wheel (605), a synchronizing belt (606), a third rotating shaft (607), a driven wheel (608), a gear (609) and a transmission belt (610), wherein the motor (601) is installed at the left end inside an installation box (4), an output shaft of the motor (601) is connected with the first rotating shaft (602) through a coupler, the second rotating shaft (603) is installed at the right end inside the installation box (4), the synchronizing wheels (604) are installed on the first rotating shaft (602) and the second rotating shaft (603), the two synchronizing wheels (604) are rotatably connected through the synchronizing belt (606), the driving wheel (605) is installed on the first rotating shaft (602) and the second rotating shaft (603), and three third rotating shafts (607) are installed in the installation box (4) above the first rotating shaft (602) and the second rotating shaft (603), all install one on six third pivot (607) and follow driving wheel (608) and gear (609), action wheel (605) and follow driving wheel (608) rotate through drive belt (610) and be connected, install installation frame (7) in install bin (4), the bottom of installation frame (7) links to each other with install bin (4) through a plurality of springs (9), the tooth's socket with gear (609) normal running fit is seted up to the left and right sides of installation frame (7), install display (8) in the installation frame (7), the top demountable installation of install bin (4) has top cap (5) that are used for dirt-proof, the top left end of install bin (4) rotates and is connected with switching structure (11), switching structure (11) link to each other with cleaning mechanism (12) that are used for cleaning top cap (5), install host computer (13) in install bin (4), and a controller (14) is arranged in the installation box (4) on the right side of the main machine (13).
2. Portable multimedia mobile educational device according to claim 1, characterized in that the steering mechanism (3) comprises: first bracing piece (301), bearing (302), ratchet (303), rotation stopping ware (304) and second bracing piece (305), the bottom of first bracing piece (301) is passed through bearing (302) and is connected with base (1) rotation, the top and the install bin (4) of first bracing piece (301) link to each other, install ratchet (303) on first bracing piece (301), rotation stopping ware (304) are installed on the right side of ratchet (303), rotation stopping ware (304) link to each other with base (1) through second bracing piece (305).
3. Portable multimedia mobile instructional device according to claim 1, characterized in that said adapting structure (11) comprises: installation piece (111), first round pin axle (112), connecting rod (113), wheelset (114) and elastic webbing (115), an installation piece (111) is installed respectively to the both sides of install bin (4), installation piece (111) are rotated with install bin (4) through first round pin axle (112) and are connected, two installation piece (111) link to each other through connecting rod (113), install two wheelset (114) on connecting rod (113), the winding has elastic webbing (115) on wheelset (114).
4. The portable multimedia mobile instructional device of claim 3, wherein the cleaning mechanism (12) comprises: main part board (121), handle (122) and brush (123), main part board (121) link to each other with elastic webbing (115), handle (122) are installed to the top of main part board (121), brush (123) are installed to the bottom of main part board (121).
5. The portable multimedia mobile teaching device according to claim 1, wherein a handle (10) is mounted at the right end of the mounting box (4), the handle (10) is rotatably connected with the mounting box (4) through a second pin shaft (15), and a storage groove (401) for storing the handle (10) is formed in the mounting box (4).
6. Portable multimedia mobile educational device according to claim 1, wherein the display (8) and the host (13) are electrically connected to a controller (14).
7. The portable multimedia mobile teaching device according to claim 5, wherein the mounting box (4) is provided with a heat sink (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911215482.1A CN111006111B (en) | 2019-12-02 | 2019-12-02 | Portable multimedia mobile teaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911215482.1A CN111006111B (en) | 2019-12-02 | 2019-12-02 | Portable multimedia mobile teaching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111006111A true CN111006111A (en) | 2020-04-14 |
| CN111006111B CN111006111B (en) | 2021-06-01 |
Family
ID=70113581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911215482.1A Active CN111006111B (en) | 2019-12-02 | 2019-12-02 | Portable multimedia mobile teaching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111006111B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111447778A (en) * | 2020-04-27 | 2020-07-24 | 芜湖乐知智能科技有限公司 | Communication and information storage system based on industrial internet protocol architecture |
| CN113074302A (en) * | 2021-03-31 | 2021-07-06 | 山东交通职业学院 | Touch english pronunciation device is used in english teaching |
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| JP3179391U (en) * | 2011-12-22 | 2012-11-01 | 吉南企業有限公司 | Chain type lift adjustment device |
| CN204215589U (en) * | 2014-12-04 | 2015-03-18 | 齐齐哈尔大学 | A kind of teaching multimedia device |
| CN206672392U (en) * | 2017-03-28 | 2017-11-24 | 天津市光星电子科技有限公司 | A kind of electronic information teaching Display Rack |
| CN109935112A (en) * | 2017-12-19 | 2019-06-25 | 董峰娟 | A kind of apparatus for demonstrating for network system integration |
| CN109973771A (en) * | 2019-03-25 | 2019-07-05 | 韩薏菲 | A kind of human body biological characteristics acquisition device |
| CN209471578U (en) * | 2019-01-04 | 2019-10-08 | 江苏联庆教育科技有限公司 | A kind of interactive teaching platform device |
| CN209705588U (en) * | 2019-04-09 | 2019-11-29 | 福州华腾易达信息科技有限责任公司 | A kind of computer fittings support construction with lifting locking function |
-
2019
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|---|---|---|---|---|
| JP3179391U (en) * | 2011-12-22 | 2012-11-01 | 吉南企業有限公司 | Chain type lift adjustment device |
| CN204215589U (en) * | 2014-12-04 | 2015-03-18 | 齐齐哈尔大学 | A kind of teaching multimedia device |
| CN206672392U (en) * | 2017-03-28 | 2017-11-24 | 天津市光星电子科技有限公司 | A kind of electronic information teaching Display Rack |
| CN109935112A (en) * | 2017-12-19 | 2019-06-25 | 董峰娟 | A kind of apparatus for demonstrating for network system integration |
| CN209471578U (en) * | 2019-01-04 | 2019-10-08 | 江苏联庆教育科技有限公司 | A kind of interactive teaching platform device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111447778A (en) * | 2020-04-27 | 2020-07-24 | 芜湖乐知智能科技有限公司 | Communication and information storage system based on industrial internet protocol architecture |
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| CN113074302A (en) * | 2021-03-31 | 2021-07-06 | 山东交通职业学院 | Touch english pronunciation device is used in english teaching |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111006111B (en) | 2021-06-01 |
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