CN111955909A - Multimedia teaching device that chinese teaching used - Google Patents
Multimedia teaching device that chinese teaching used Download PDFInfo
- Publication number
- CN111955909A CN111955909A CN202010872108.5A CN202010872108A CN111955909A CN 111955909 A CN111955909 A CN 111955909A CN 202010872108 A CN202010872108 A CN 202010872108A CN 111955909 A CN111955909 A CN 111955909A
- Authority
- CN
- China
- Prior art keywords
- multimedia
- display screen
- display
- multimedia platform
- lead screw
- 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
Links
- 230000001808 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B19/00—Reading-desks; Lecterns; Pulpits, i.e. free-standing
-
- 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 provides a multimedia teaching device for Chinese teaching, which belongs to the technical field of teaching equipment and comprises a multimedia platform, a multimedia host, a controller, a front display device and two side display devices, wherein the front display device is connected with the multimedia platform; the first display screen of the front display device is arranged on the front surface of the multimedia platform, and the first driving device is arranged in the multimedia platform and drives the first display screen to move up and down; the two side display devices have the same structure and are symmetrically arranged on two sides of the multimedia platform, a second display screen of each side display device is arranged on the side surface of the multimedia platform, and a second driving device is arranged in the multimedia platform and drives the second display screen to lift and rotate; the first display screen and the second display screen are electrically connected with the multimedia host, and the first driving device and the second driving device are electrically connected with the controller. The display screen of the device replaces the original projection screen, the problem that the occupied area of the projection screen is large is solved, and the display range is enlarged.
Description
Technical Field
The invention belongs to the technical field of teaching equipment, and particularly relates to a multimedia teaching device for Chinese teaching.
Background
Chinese (Chinese) is a Chinese language character, especially a Chinese language character. In the Chinese character culture circle and overseas Chinese communities, Chinese is also called Chinese and Chinese, and Chinese is also one of six working languages of the united nations. It can be seen that Chinese has gained importance in the world as English.
In the learning of each stage, Chinese teaching is indispensable, and especially, many Chinese-related professions are established in colleges and universities at present. The Chinese teaching process is not only to learn the characters, but also to learn the sources of the characters and the Chinese history culture related to the characters. In order to make learners more vividly understand the contents of learning, teaching is usually assisted by a multimedia teaching device in addition to teacher writing. The existing multimedia teaching device usually projects and plays the teaching content through a projector through a projection curtain. But this kind of mode often is installed the projection curtain in teaching blackboard top, when carrying out the projection, needs put down the projection curtain, and the projection curtain just can shelter from the blackboard this moment, can't impart knowledge to students on the blackboard simultaneously and write, has influenced the utilization ratio of blackboard greatly, also can not adjust the area and the angle of projection curtain as required simultaneously.
Therefore, the application provides a multimedia teaching device for Chinese teaching.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a multimedia teaching device for Chinese teaching.
In order to achieve the above purpose, the invention provides the following technical scheme:
a multimedia teaching device for Chinese teaching comprises a multimedia platform, a multimedia host, a controller, a front display device and two side display devices;
the multimedia host and the controller are both arranged in the multimedia platform;
the front display device comprises a first display screen and a first driving device, the first display screen is arranged on the front surface of the multimedia platform, and the first driving device is arranged in the multimedia platform and drives the first display screen to move up and down; the two side display devices are identical in structure and symmetrically arranged on two sides of the multimedia platform, each side display device comprises a second display screen and a second driving device, the second display screens are arranged on the side surfaces of the multimedia platform, and the second driving devices are arranged in the multimedia platform and drive the second display screens to lift and rotate;
the first display screen and the second display screen are electrically connected with the multimedia host, and the first driving device and the second driving device are electrically connected with the controller.
Preferably, a group of first through grooves is formed in the front face of the multimedia platform along the height direction, the first driving device comprises a first motor, a first lead screw and a polished rod, the first lead screw and the polished rod are respectively arranged over against one first through groove, the first motor is arranged on the bottom plate of the multimedia platform, the lower end of the first lead screw is connected with an output shaft of the first motor through a first coupler, the upper end of the first lead screw is rotatably connected with the top plate of the multimedia platform, and two ends of the polished rod are respectively fixedly connected with the bottom plate and the top plate of the multimedia platform; the first screw rod is connected with a first screw nut in a threaded manner, the first screw nut is fixedly sleeved with a connecting block, the polished rod is sleeved with a sliding block which is connected with the polished rod in a sliding manner, the connecting block and the sliding block respectively penetrate through one first through groove and are fixedly connected with the back plate of the first display screen, and the first motor is electrically connected with the controller.
Preferably, a second through groove is formed in the side wall of the multimedia platform along the height direction, the second driving device comprises an electric push rod, a second motor and a second lead screw which is arranged opposite to the second through groove, the second motor is arranged on the bottom plate of the multimedia platform, the lower end of the second lead screw is connected with an output shaft of the second motor through a second coupling, the upper end of the second lead screw is rotatably connected with the top plate of the multimedia platform, a second lead screw nut is screwed on the second lead screw, a supporting plate is fixedly sleeved on the second lead screw nut, and the electric push rod is arranged on the supporting plate; the end of a push rod of the electric push rod penetrates through the second through groove and is fixedly connected with a vertical rod, a horizontally arranged telescopic rod is arranged at the top of the vertical rod, one end of the telescopic rod is rotatably connected with the top of the vertical rod, the other end of the telescopic rod is fixedly connected with a back plate of the second display screen, and the second motor is electrically connected with the controller.
Preferably, a limiting column is arranged at the bottom of one end of the telescopic rod, a limiting long groove matched with the limiting column is arranged at the top of the upright rod, and the limiting column is arranged in the limiting long groove and is rotatably connected with the limiting long groove.
Preferably, a control key for controlling the first motor and the second motor is arranged at the top of the multimedia platform, and the control key is electrically connected with the controller.
Preferably, the fixing points of the connecting block and the sliding block to the first display screen are close to the bottom of the first display screen.
Preferably, when the first display screen and the second display screen are lifted and arranged in parallel, the first display screen and the second display screen are combined into a third display screen.
The invention provides a multimedia teaching device for Chinese teaching, which comprises a multimedia platform, a multimedia host, a controller, a front display device and two side display devices, wherein the front display device is connected with the multimedia platform; the front display device comprises a first display screen arranged on the front side of the multimedia platform and a first driving device for driving the first display screen to move up and down; the two side display devices are identical in structure and symmetrically arranged on two sides of the multimedia platform, second display screens of the side display devices are arranged on the side faces of the multimedia platform, the second display screens are driven to lift and rotate through a second driving device, and the height and the angle of the display panel are adjusted according to requirements; each display screen can be used independently or combined into a whole for use, and the use is flexible; replace original projection curtain through the display screen, save space, solved the big problem of projection curtain area, increased the display range simultaneously, satisfied the student of sitting at different angles, height and watch, use, save space, use in a flexible way, improve the initiative and the enthusiasm of student's study, help improving teaching quality and efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a multimedia teaching apparatus for Chinese teaching according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a use state of a multimedia teaching apparatus for Chinese teaching according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of another usage state of a multimedia teaching apparatus for Chinese teaching according to an embodiment of the present invention;
FIG. 4 is a schematic view of the front display device;
fig. 5 is a schematic structural view of the side display device.
Description of reference numerals:
multimedia platform 1, first display screen 2, second display screen 3, first logical groove 4, first motor 5, first lead screw 6, polished rod 7, first lead screw nut 8, connecting block 9, slider 10, electric putter 11, second motor 12, second lead screw 13, second lead screw nut 14, backup pad 15, pole setting 16, telescopic link 17, spacing post 18, spacing elongated slot 19, control button 20, second logical groove 21.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention and can practice the same, the present invention will be described in detail with reference to the accompanying drawings and specific examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing technical solutions of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. In the description of the present invention, unless otherwise specified, "a plurality" means two or more, and will not be described in detail herein.
Examples
The invention provides a multimedia teaching device for Chinese teaching, which is specifically shown in figures 1 to 5 and comprises a multimedia platform 1, a multimedia host, a controller, a front display device and two side display devices; multimedia platform 1 is common cuboid structure, and relevant device is placed to inside, and the top is the teaching platform, is provided with display, the teaching tool etc. that the teacher used of making a lesson. Specifically, the multimedia host and the controller are both arranged in the multimedia platform 1.
The front display device comprises a first display screen 2 and a first driving device, the first display screen 2 is arranged on the front surface of the multimedia platform 1, and the first driving device is arranged in the multimedia platform 1 and drives the first display screen 2 to move up and down; the two side display devices have the same structure and are symmetrically arranged at two sides of the multimedia platform 1, each side display device comprises a second display screen 3 and a second driving device, each second display screen 3 is arranged on one side of the multimedia platform 1, and each second driving device is arranged in the multimedia platform 1 and drives each second display screen 3 to lift and rotate; when not in use, the first display screen 2 and the second display screen 3 are respectively accommodated on the front wall and the side wall of the multimedia platform 1, and when in use, the first driving device can control the lifting height of the first display screen 2 according to use requirements, and the second driving device can control the lifting height and the placement angle of the second display screen 3 according to use requirements.
The first display screen 2 and the second display screen 3 are both electrically connected with the multimedia host, and the first driving device and the second driving device are both electrically connected with the controller. And sending instructions to the first driving device and the second driving device through the controller, and adjusting the height or the angle of the first display screen 2 and the second display screen 3.
Further, as shown in fig. 4, in this embodiment, a set of first through grooves 4 is formed in the front surface of the multimedia platform 1 along the height direction, the first driving device includes a first motor 5, and a first lead screw 6 and a polish rod 7 which are respectively disposed opposite to one of the first through grooves 4, the first motor 5 is disposed on the bottom plate of the multimedia platform 1, the lower end of the first lead screw 6 is connected to an output shaft of the first motor 5 through a first coupling, the upper end of the first lead screw is rotatably connected to the top plate of the multimedia platform 1, and two ends of the polish rod 7 are respectively fixedly connected to the bottom plate and the top plate of the multimedia platform 1; first lead screw 6 is gone up the spiro union and is had first lead screw nut 8, and the fixed cover of first lead screw nut 8 has connect connecting block 9, has cup jointed on the polished rod 7 with polished rod 7 sliding connection's slider 10, and connecting block 9 and slider 10 pass a first logical groove 4 respectively and with the backplate fixed connection of first display screen 2, and first motor 5 is connected with the controller electricity. First motor 5 drives first lead screw 6 and rotates, and first lead screw nut 8 encircles first lead screw 6 and reciprocates, and then drives connecting block 9 and reciprocates, reaches to drive first display screen 2 and reciprocates along first lead screw 6 and polished rod 7. When the first display screen 2 is positioned on the front surface of the multimedia platform 1, the first display screen 2 can be directly used, and the first display screen 2 can be used after being heightened according to requirements. Either alone or in combination with the second display 3.
Further, as shown in fig. 5, in this embodiment, a second through slot 21 is formed in the side wall of the multimedia platform 1 along the height direction, the second driving device includes an electric push rod 11, a second motor 12 and a second lead screw 13 facing the second through slot 21, the second motor 12 is disposed on the bottom plate of the multimedia platform 1, the lower end of the second lead screw 13 is connected to an output shaft of the second motor 12 through a second coupling, the upper end of the second lead screw is rotatably connected to the top plate of the multimedia platform 1, the second lead screw 13 is screwed with a second lead screw nut 14, the second lead screw nut 14 is fixedly sleeved with a support plate 15, and the electric push rod 11 is disposed on the support plate 15; the push rod end of the electric push rod 11 penetrates through the second through groove 21 and is fixedly connected with the vertical rod 16, the top of the vertical rod 16 is provided with a telescopic rod 17 horizontally arranged, one end of the telescopic rod 17 is rotatably connected with the top of the vertical rod 16, the other end of the telescopic rod is fixedly connected with the back plate of the second display screen 3, and the second motor 12 is electrically connected with the controller. The telescopic adjustable second display screen 3 of the electric push rod 11 is close to or far away from the multimedia platform 1, the second motor 12 drives the second lead screw 13 to rotate, the second lead screw nut 14 surrounds the second lead screw 13 to move up and down, and then the support plate 15 is driven to move up and down, so that the purpose of adjusting the height of the second display screen 3 is achieved. Meanwhile, the display angle of the second display screen 3 can be adjusted by rotating the telescopic rod 17, and the distance of further forward extension after the second display screen 3 is lifted can be adjusted by the telescopic rod 17. The two second display screens 3 can be directly used independently or simultaneously, and the first display screen 2 and the second display screen 3 can be adjusted to a plane according to requirements and combined for use, so that the display area is increased.
Specifically, in this embodiment, the bottom of one end of the telescopic rod 17 is provided with a limiting column 18, the top of the upright rod 16 is provided with a limiting long groove 19 matched with the limiting column 18, and the limiting column 18 is arranged in the limiting long groove 19 and is rotatably connected with the limiting long groove 19. The limiting column 18 rotates in the limiting long groove 19, and then the second display screen 3 is driven to rotate.
In order to improve the convenience of operation, in the present embodiment, the multimedia platform 1 is provided with a control button 20 on the top thereof for controlling the first motor 5 and the second motor 12, and the control button 20 is electrically connected to the controller.
Further, in the embodiment, the fixing points of the connecting block 9 and the sliding block 10 to the first display screen 2 are close to the bottom of the first display screen 2, so that the height of the first display screen 2 is increased. When first display screen 2, second display screen 3 rise and arrange side by side, first display screen 2 and second display screen 3 merge into the third display screen, have increased the display range, have replaced original projection curtain, save space, the problem that projection curtain area is big has been solved, satisfy and sit at different angles, the student of height watches, use, save space, it is nimble to use, improve student's study initiative and enthusiasm, help improving teaching quality and efficiency.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and any simple modifications or equivalent substitutions of the technical solutions that can be obviously obtained by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (7)
1. A multimedia teaching device used for Chinese teaching is characterized by comprising a multimedia platform (1), a multimedia host, a controller, a front display device and two side display devices;
the multimedia host and the controller are both arranged in the multimedia platform (1);
the front display device comprises a first display screen (2) and a first driving device, the first display screen (2) is arranged on the front surface of the multimedia platform (1), and the first driving device is arranged in the multimedia platform (1) and drives the first display screen (2) to move up and down; the two lateral display devices are identical in structure and symmetrically arranged on two sides of the multimedia platform (1), each lateral display device comprises a second display screen (3) and a second driving device, the second display screens (3) are arranged on the lateral sides of the multimedia platform (1), and the second driving devices are arranged in the multimedia platform (1) and drive the second display screens (3) to lift and rotate;
the first display screen (2) and the second display screen (3) are electrically connected with the multimedia host, and the first driving device and the second driving device are electrically connected with the controller.
2. The multimedia teaching device for Chinese teaching according to claim 1, wherein the multimedia platform (1) has a set of first through slots (4) formed in the front surface thereof in the height direction, the first driving device comprises a first motor (5), and a first lead screw (6) and a polish rod (7) respectively facing one of the first through slots (4), the first motor (5) is disposed on the bottom plate of the multimedia platform (1), the lower end of the first lead screw (6) is connected to the output shaft of the first motor (5) through a first coupling, the upper end of the first lead screw is rotatably connected to the top plate of the multimedia platform (1), and the two ends of the polish rod (7) are respectively fixedly connected to the bottom plate and the top plate of the multimedia platform (1); first lead screw (6) are gone up the spiro union and are had first lead screw nut (8), fixed cover on first lead screw nut (8) has connect connecting block (9), polished rod (7) go up cup joint with polished rod (7) sliding connection's slider (10), connecting block (9) and slider (10) pass one respectively first logical groove (4) and with the backplate fixed connection of first display screen (2), first motor (5) with the controller electricity is connected.
3. The multimedia teaching apparatus for Chinese teaching according to claim 2, a second through groove (21) is arranged on the side wall of the multimedia platform (1) along the height direction, the second driving device comprises an electric push rod (11), a second motor (12) and a second lead screw (13) which is arranged right opposite to the second through groove (21), the second motor (12) is arranged on the bottom plate of the multimedia platform (1), the lower end of the second lead screw (13) is connected with the output shaft of the second motor (12) through a second coupler, the upper end of the second lead screw is rotationally connected with the top plate of the multimedia platform (1), a second screw nut (14) is screwed on the second screw (13), a supporting plate (15) is fixedly sleeved on the second screw nut (14), and the electric push rod (11) is arranged on the supporting plate (15); the push rod tip of electric putter (11) passes second logical groove (21) and fixedly connected with pole setting (16), pole setting (16) top is provided with telescopic link (17) that the level set up, telescopic link (17) one end with pole setting (16) top is rotated and is connected, the other end with the backplate fixed connection of second display screen (3), second motor (12) with the controller electricity is connected.
4. The multimedia teaching device for Chinese teaching according to claim 3, wherein a limiting column (18) is disposed at the bottom of one end of the telescopic rod (17), a limiting long groove (19) matched with the limiting column (18) is disposed at the top of the upright rod (16), and the limiting column (18) is disposed in the limiting long groove (19) and rotatably connected with the limiting long groove (19).
5. The multimedia teaching device for Chinese teaching according to claim 3, wherein the top of the multimedia platform (1) is provided with a control button (20) for controlling the first motor (5) and the second motor (12), and the control button (20) is electrically connected with the controller.
6. The multimedia teaching device for chinese teaching according to claim 2, characterized in that the fixing point of the connection block (9) and the slider (10) to the first display screen (2) is near the bottom of the first display screen (2).
7. The multimedia teaching device for Chinese teaching according to claim 6, wherein when the first display (2) and the second display (3) are raised and arranged side by side, the first display (2) and the second display (3) are combined into a third display.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010872108.5A CN111955909A (en) | 2020-08-26 | 2020-08-26 | Multimedia teaching device that chinese teaching used |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010872108.5A CN111955909A (en) | 2020-08-26 | 2020-08-26 | Multimedia teaching device that chinese teaching used |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111955909A true CN111955909A (en) | 2020-11-20 |
Family
ID=73391014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010872108.5A Pending CN111955909A (en) | 2020-08-26 | 2020-08-26 | Multimedia teaching device that chinese teaching used |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111955909A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112992011A (en) * | 2021-04-10 | 2021-06-18 | 甘肃民族师范学院 | Tourism english simulation show explanation platform |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0131296A2 (en) * | 1983-07-12 | 1985-01-16 | C.C. Creative Consulting S.A. | Foldable display stand, in particular for documents |
US20160367027A1 (en) * | 2013-03-15 | 2016-12-22 | Sv Tool Corporation | Ergonomic productivity workstation having coordinated and harmonized movement of head rest, backrest, seat, leg rest, arm rests, monitor support, and work trays through sitting, standing, and reclining configurations |
CN107067839A (en) * | 2017-06-02 | 2017-08-18 | 段桂英 | A kind of specialty is used for computer-assisted instruction device |
CN207070969U (en) * | 2017-01-30 | 2018-03-06 | 郭平 | A kind of English teaching dais |
CN210123595U (en) * | 2019-06-28 | 2020-03-03 | 吉林师范大学 | Oral english teaching uses multimedia display device based on debate system debate |
-
2020
- 2020-08-26 CN CN202010872108.5A patent/CN111955909A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0131296A2 (en) * | 1983-07-12 | 1985-01-16 | C.C. Creative Consulting S.A. | Foldable display stand, in particular for documents |
US20160367027A1 (en) * | 2013-03-15 | 2016-12-22 | Sv Tool Corporation | Ergonomic productivity workstation having coordinated and harmonized movement of head rest, backrest, seat, leg rest, arm rests, monitor support, and work trays through sitting, standing, and reclining configurations |
CN207070969U (en) * | 2017-01-30 | 2018-03-06 | 郭平 | A kind of English teaching dais |
CN107067839A (en) * | 2017-06-02 | 2017-08-18 | 段桂英 | A kind of specialty is used for computer-assisted instruction device |
CN210123595U (en) * | 2019-06-28 | 2020-03-03 | 吉林师范大学 | Oral english teaching uses multimedia display device based on debate system debate |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112992011A (en) * | 2021-04-10 | 2021-06-18 | 甘肃民族师范学院 | Tourism english simulation show explanation platform |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109674209A (en) | A kind of intelligent type computer educational aid | |
CN108447320A (en) | A kind of packaged type English-teaching aid | |
CN111955909A (en) | Multimedia teaching device that chinese teaching used | |
CN211653921U (en) | Chinese teaching presentation device | |
CN210865181U (en) | English teaching auxiliary device | |
CN210442990U (en) | Auxiliary equipment for university student career planning and innovation and entrepreneurship education | |
CN211149839U (en) | English translation demonstration board | |
CN111692473A (en) | Classroom interactive teaching presentation device | |
CN210405527U (en) | Experiment examination system | |
CN209785284U (en) | College english teaching is with interactive display device of teachers and students | |
CN208861495U (en) | A kind of computer teaching multifunctional assisting device | |
CN206893114U (en) | A kind of computer teaching multimedia adjusting means | |
CN214410292U (en) | Literacy auxiliary teaching aid for primary school Chinese teaching | |
CN216220623U (en) | Rehearsal device that building engineering cost was used | |
CN213550687U (en) | Primary school's chinese teaching is with show board | |
CN214335966U (en) | Display device for teaching foreign Chinese | |
CN210295492U (en) | Big data teaching training demonstration device | |
CN114617355B (en) | Multi-functional english teaching equipment | |
CN211237186U (en) | Computer multimedia teaching and training device | |
CN218032284U (en) | Projecting apparatus for mathematical education | |
CN210184939U (en) | Intelligent multimedia teaching equipment | |
CN216467055U (en) | Auxiliary display board for English teaching | |
CN214377124U (en) | Theory teaching show board with function of being convenient for to move is used in professorship teaching | |
CN216165939U (en) | Real standard platform of electronic information engineering | |
CN215117956U (en) | Teaching tool for primary school English auxiliary mouth shape pronunciation |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |