CN111833673A - Teaching display device for professional education informatization - Google Patents
Teaching display device for professional education informatization Download PDFInfo
- Publication number
- CN111833673A CN111833673A CN202010777728.0A CN202010777728A CN111833673A CN 111833673 A CN111833673 A CN 111833673A CN 202010777728 A CN202010777728 A CN 202010777728A CN 111833673 A CN111833673 A CN 111833673A
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- China
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- teaching
- writing board
- eraser
- front surface
- display screen
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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
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/04—Wiper holders
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electrically Operated Instructional Devices (AREA)
Abstract
The invention relates to the technical field of teaching display devices, in particular to a teaching display device for vocational education informatization, which comprises a teaching display writing board, wherein a cleaning fluid output component is welded on the outer surface of one side of the teaching display writing board, a display screen is slidably mounted on the other side of the interior of the teaching display writing board, a control box is welded on the outer surface of one side of the display screen, an eraser is slidably mounted on the front surface of the teaching display writing board, a sliding plate is welded on one side of the front surface of the teaching display writing board, a cleaning fluid box is mounted at the lower end of the cleaning fluid output component, and a through window is mounted on the front surface of the cleaning fluid box. The invention relates to a teaching display board for a marking pen during writing, which is provided with a sliding push-pull type eraser, wherein the upper end of the front surface of a writing board is provided with a spray head, alcohol is sprayed out through the spray head, so that the eraser is cleaned, and a video picture player is arranged for displaying data information.
Description
Technical Field
The invention relates to the technical field of teaching display devices, in particular to a teaching display device for professional education informatization.
Background
The teaching is a unique talent culture activity of human beings, which is formed by the teaching of teachers and the learning of students, through the activity, the teachers purposefully, planningly and organically guide the students to learn and master the cultural scientific knowledge and skills, the quality of the students is improved, the students become people needed by the society, the teaching contents need to be written in the teaching process to carry out the teaching of the contents, and therefore, a teaching display device for information display appears.
However, teaching display device on the existing market writes or writes for the chalk mostly, because the chalk writes, the chalk ash is more, influence service environment's cleanliness factor, the chalk is write and is eliminated gradually, the content of writing on the teaching show board when the marker pen writes is erased unclean, the face is unclean when leading to writing next time, be unfavorable for writing watching of content, general device does not have video picture broadcast structure, be unfavorable for the show of data ization information, most device function is comparatively single, be unfavorable for teaching show. Therefore, the technical personnel in the field provide a teaching display device for professional education informatization, so as to solve the problems in the background technology.
Disclosure of Invention
The invention aims to provide a teaching display device for professional education informatization, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a teaching display device for vocational education informatization comprises a teaching display writing board, wherein a cleaning solution output component is welded on the outer surface of one side of the teaching display writing board, a display screen is slidably mounted on the other side of the interior of the teaching display writing board, a control box is welded on the outer surface of one side of the display screen, an eraser is slidably mounted on the front surface of the teaching display writing board, a sliding plate is welded on one side of the front surface of the teaching display writing board, a cleaning solution box is mounted at the lower end of the cleaning solution output component, a transparent window is mounted on the front surface of the cleaning solution box, a liquid inlet is penetratingly welded on the outer surface of one side of the cleaning solution box, a liquid supply pipe is penetratingly mounted on the upper surface of the cleaning solution output component, a spray head is mounted on the upper end of the front surface of the teaching display writing board, the upper surface welding of teaching show clipboard has the fixed plate.
As a further scheme of the invention: the inside upper surface position department that is located the cleaning solution case of cleaning solution output member installs the water pump, the solenoid valve is installed to the one end position department of the top feed pipe of water pump, audio and video interface is installed to the inside lower extreme of control box, loudspeaker are installed to the inside position department of the top control box of audio and video interface, surface mounting has the singlechip behind the inside of control box, the control button is installed to one side surface lower extreme of control box, the rear surface mounting of control box has the power cord.
As a still further scheme of the invention: the blackboard eraser is characterized in that the rear surface of the blackboard eraser is bonded with an eraser strip, the outer surface of one side of the sliding plate is provided with an eraser sliding groove, the outer surface of one side of the blackboard eraser is welded with an eraser sliding rod, the upper surface of the display screen is provided with a display screen sliding groove, and the inner side of the teaching and displaying writing board is welded with a sliding rail at the position inside the display screen sliding groove.
As a still further scheme of the invention: the upper and lower surface of teaching show clipboard all welds there is the fixed plate, the teaching show clipboard is fixed in service position department through the fixed plate, blackboard eraser slidable mounting is in the inboard position department of the front surface slide of teaching show clipboard.
As a still further scheme of the invention: the teaching show clipboard is the component of a stainless steel material, the department embedding has the toughened glass layer is write to the front surface of teaching show clipboard, and the rear surface spraying on toughened glass layer has white priming paint.
As a still further scheme of the invention: the lower extreme of feed pipe runs through to be installed in the inside lower extreme position department of cleaning solution case, the output through connection shower nozzle's of feed pipe input, the shower nozzle is located the front surface upper end of teaching show clipboard and sets up one every 30 cm.
As a still further scheme of the invention: the liquid supply pipe of cleaning fluid incasement portion passes through water pump and solenoid valve and the input through connection of shower nozzle, the output electrode connection singlechip's of power cord output, the output electrode connection audio and video interface of singlechip, control button, loudspeaker, the input of solenoid valve and water pump.
As a still further scheme of the invention: the lower extreme all welds there is the slide rail in the inboard of teaching show clipboard, the display screen spout has all been seted up to the upper and lower surface of display screen, cleaning solution output member passes through the display screen spout and slide rail slidable mounting in the inside position department of teaching show clipboard.
As a still further scheme of the invention: the blackboard eraser is characterized in that sliding plates are welded at two sides of the front surface of the teaching display writing board, the eraser sliding rod is slidably mounted at the inner position of the eraser sliding groove, the eraser is slidably mounted at the inner side position of the sliding plate through the eraser sliding rod and the eraser sliding groove, the eraser strip is made of pure cotton felt materials, and the eraser strip is extruded at the front surface position of the teaching display writing board through the eraser.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a teaching display board for a marker pen during writing, which is provided with a sliding push-pull type eraser, wherein the upper end of the front surface of the writing board is provided with a spray head, alcohol is sprayed out through the spray head to moisten characters on the front surface of the device, so that the eraser is cleaned more, the cleanness of the board surface during the next writing is facilitated, the watching of writing contents is facilitated, a video picture player is arranged, the display of digitalized information is facilitated, the video picture player can slide into the sliding-out device, the structure of the board surface is compact when the video picture player is not used, and the data information can be displayed when the video picture player is pulled out without hindering the writing of the contents when the video picture player is used.
Drawings
FIG. 1 is a schematic structural diagram of a teaching display device for professional education informatization;
FIG. 2 is a perspective view of a teaching display for professional educational informatization;
FIG. 3 is a partial perspective view of a teaching display for professional educational informatization;
FIG. 4 is a schematic view of a partial connection structure of a teaching display writing board and a display screen in a teaching display device for professional education informatization;
fig. 5 is a partial perspective view of a teaching display for professional educational informatization.
In the figure: 1. a teaching display writing board; 2. a cleaning liquid output member; 3. a control box; 4. erasing the blackboard; 5. a display screen; 6. a slide plate; 7. a spray head; 8. a liquid supply tube; 9. a fixing plate; 10. a liquid inlet; 11. a window is penetrated; 12. a cleaning liquid tank; 13. a water pump; 14. an electromagnetic valve; 15. rubbing the strips; 16. a board eraser chute; 17. a board eraser slide bar; 18. a display screen chute; 19. a slide rail; 20. receiving a plate; 21. a horn; 22. an audio/video interface; 23. a control key; 24. a power line; 25. and a single chip microcomputer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, in the embodiment of the invention, a teaching and displaying device for vocational education informatization comprises a teaching and displaying writing board 1, a cleaning fluid output member 2 is welded on the outer surface of one side of the teaching and displaying writing board 1, a display screen 5 is slidably mounted on the other side inside the teaching and displaying writing board 1, a control box 3 is welded on the outer surface of one side of the display screen 5, a blackboard eraser 4 is slidably mounted on the front surface of the teaching and displaying writing board 1, a sliding plate 6 is welded on one side of the front surface of the teaching and displaying writing board 1, a cleaning fluid box 12 is mounted at the lower end of the cleaning fluid output member 2, a through window 11 is mounted on the front surface of the cleaning fluid box 12, a fluid inlet 10 is penetratingly welded on the upper end of the outer surface of one side of the cleaning fluid box 12, a fluid supply pipe 8 is penetratingly mounted, the lower end of the front surface of a teaching display writing board 1 is welded with a flange 20, the upper surface of the teaching display writing board 1 is welded with a fixing plate 9, the upper and lower outer surfaces of the teaching display writing board 1 are welded with the fixing plates 9, the teaching display writing board 1 is fixed at a use position through the fixing plates 9, a eraser 4 is slidably mounted at the inner side position of a front surface sliding plate 6 of the teaching display writing board 1, the teaching display writing board 1 is a stainless steel component, a toughened glass layer is embedded at the front surface writing position of the teaching display writing board 1, white primer is sprayed on the rear surface of the toughened glass layer, the lower end of a liquid supply pipe 8 is penetratingly mounted at the inner lower end position of a cleaning liquid box 12, the output end of the liquid supply pipe 8 is penetratingly connected with the input end of a spray head 7, the spray head 7 is arranged at the upper end of the front surface of the teaching display, the device is fixed at the position of a using wall surface through a fixing plate 9, the device is connected with a power supply, cleaning alcohol is filled into the cleaning liquid box 12 through a liquid inlet 10, then the device is used, a marker pen is taken out to write teaching contents at the front surface writing position of the teaching display writing board 1, when audio and video display is needed, the control box 3 is pulled through a handle at one side of the control box 3, the display screen 5 is taken out, the audio and video output connecting device is used for playing video pictures through a screen on the display screen 5, audio is played through the control box 3, the display screen 5 can not be taken out when the audio and video is played singly, finally, the use is finished, the display screen 5 is pushed into the inside of the teaching display writing board 1 through the handle at one side of the control box 3, cleaning liquid in the cleaning liquid box 12 enters the inside of a spray head 7 through a liquid supply pipe 8, and the cleaning liquid is sprayed to the front surface of the, the moist writing content, reciprocate the blackboard eraser 4, erase the writing content of teaching show clipboard 1 front surface, observe the inside liquid level of cleaning solution case 12 through passing through window 11, when the liquid level is lower, carry out the fluid infusion to cleaning solution case 12 through inlet 10.
In fig. 3, 5: a water pump 13 is arranged in the cleaning liquid output component 2 and on the upper surface of the cleaning liquid box 12, an electromagnetic valve 14 is arranged at one end of a liquid supply pipe 8 above the water pump 13, an audio/video interface 22 is arranged at the lower end of the inside of the control box 3, a loudspeaker 21 is arranged in the inside of the control box 3 above the audio/video interface 22, a single chip microcomputer 25 is arranged on the rear surface of the inside of the control box 3, a control button 23 is arranged at the lower end of the outer surface of one side of the control box 3, a power cord 24 is arranged on the rear surface of the control box 3, the liquid supply pipe 8 in the cleaning liquid box 12 is communicated with the input end of the spray head 7 through the water pump 13 and the electromagnetic valve 14, the output end electrode of the power cord 24 is connected with the output end of the single chip microcomputer 25, the output end electrode of the single chip microcomputer 25 is connected, cleaning alcohol is filled into the cleaning liquid box 12 through the liquid inlet 10, then the use is started, a marker pen is taken out to write teaching contents at the front surface writing position of the teaching display writing board 1, when audio and video display is needed, the control box 3 is pulled through the handle at one side of the control box 3, the display screen 5 is taken out, audio and video output is inserted into the jack on the audio and video interface 22 through a data line, a control button 23 is pressed to play video pictures through the screen on the display screen 5 through the control information of the single chip microcomputer 25, audio is played through the loudspeaker 21, the display screen 5 can not be taken out when the audio is played singly, finally, the use is finished, the display screen 5 is pushed into the teaching display writing board 1 through the handle at one side of the control box 3, the electromagnetic valve 14 is used for starting the water pump 13, cleaning liquid in the cleaning liquid box 12 enters the spray head 7 through the liquid supply pipe 8, and sprays the cleaning liquid to the front surface of the teaching demonstration writing board 1 through the spray head 7.
In fig. 4: the rear surface of the blackboard eraser 4 is adhered with an eraser strip 15, the outer surface of one side of the sliding plate 6 is provided with an eraser sliding groove 16, the outer surface of one side of the blackboard eraser 4 is welded with an eraser sliding rod 17, the upper surface of the display screen 5 is provided with a display screen sliding groove 18, the inner side of the teaching and displaying writing board 1 is welded with a sliding rail 19 at the inner position of the display screen sliding groove 18, the upper and lower ends of the inner side of the teaching and displaying writing board 1 are welded with sliding rails 19, the upper and lower outer surfaces of the display screen 5 are both provided with display screen sliding grooves 18, the cleaning solution output component 2 is slidably mounted at the inner position of the teaching and displaying writing board 1 through the display screen sliding grooves 18 and the sliding rails 19, the sliding plates 6 are welded at the positions at the two sides of the front surface of the teaching and displaying writing board 1, the eraser sliding rod 17 is slidably mounted at the inner position of the, the wiping strip 15 is a component made of a pure cotton felt material, the wiping strip 15 is extruded at the position of the front surface of the teaching display writing board 1 through the eraser 4, when audio and video display is needed, a handle is arranged on one side of the control box 3, the control box 3 is pulled, the display screen 5 is taken out by the sliding of the display screen sliding groove 18 on the display screen 5 on the outer surface of the sliding rail 19 on the inner side of the teaching display writing board 1, the cleaning liquid inside the cleaning liquid box 12 enters the spray head 7 through the liquid supply pipe 8, the cleaning liquid is sprayed out of the front surface of the teaching display writing board 1 through the spray head 7, the content of writing is moistened, the eraser 4 is moved up and down through the sliding of the eraser sliding rod 17 in the inner part of the eraser sliding groove 16, and the content of writing on the front surface of.
It should be noted that: the water pump 13 (model WUY200), the solenoid valve 14 (model UDC-20), loudspeaker 21 (model TD201), singlechip 25 (model VS 1053).
The working principle of the invention is as follows: firstly, a device is taken out, the device is fixed at a using wall surface through a fixing plate 9, the device is connected with a power supply through a power line 24, clean alcohol is filled into a cleaning liquid box 12 through a liquid inlet 10, then, the device is used, a marker pen is taken out to write teaching contents at the front surface writing position of a teaching display writing board 1, when audio and video display is needed, the control box 3 is pulled through a handle at one side of the control box 3, a display screen chute 18 on the display screen 5 slides on the outer surface of a sliding rail 19 at the inner side of the teaching display writing board 1 to take out the display screen 5, audio and video output is inserted into the inner part of a jack on an audio and video interface 22 through a data line, a control key 23 is pressed to play video pictures through a screen on the display screen 5 through a single chip microcomputer 25, audio is played through a loudspeaker 21, when the audio is played singly, use the completion, handle through 3 one sides of control box, push the inside of teaching show clipboard 1 to display screen 5, solenoid valve 14 opens the operation of water pump 13, the inside cleaning solution of cleaning solution case 12 passes through the inside that feed pipe 8 got into shower nozzle 7, and through the front surface of shower nozzle 7 blowout cleaning solution to teaching show clipboard 1, moist writing content, slide bar 17 through the blackboard eraser and reciprocate blackboard eraser 4 in the inside slip of blackboard eraser spout 16, the writing content of teaching show clipboard 1 front surface is erased through wiping strip 15, observe the inside liquid level of cleaning solution case 12 through penetrating window 11, when the liquid level is lower, carry out the fluid infusion to cleaning solution case 12 through inlet 10.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a teaching display device for professional education informatization, includes teaching show clipboard (1), its characterized in that, one side skin weld of teaching show clipboard (1) has cleaning solution output member (2), the inside opposite side slidable mounting of teaching show clipboard (1) has display screen (5), one side skin weld of display screen (5) has control box (3), the front surface slidable mounting of teaching show clipboard (1) has board eraser (4), the front surface one side welding of teaching show clipboard (1) has slide (6), cleaning solution tank (12) is installed to the lower extreme of cleaning solution output member (2), the front surface mounting of cleaning solution tank (12) has through window (11), the one side skin weld of cleaning solution tank (12) has link up inlet (10), the upper surface of cleaning solution output member (2) runs through and installs feed pipe (8), shower nozzle (7) are installed to the front surface upper end of teaching show clipboard (1), the front surface lower extreme welding of teaching show clipboard (1) has flange (20), the last surface welding of teaching show clipboard (1) has fixed plate (9).
2. The teaching display device for vocational education informatization according to claim 1, characterized in that, the inside of cleaning solution output member (2) is located the upper surface position department of cleaning solution case (12) and installs water pump (13), solenoid valve (14) are installed to the one end position department of the top feed pipe (8) of water pump (13), audio and video interface (22) are installed to the inside lower extreme of control box (3), loudspeaker (21) are installed to the inside position department of the top control box (3) of audio and video interface (22), the inside rear surface mounting of control box (3) has singlechip (25), control button (23) are installed to one side surface lower extreme of control box (3), the rear surface mounting of control box (3) has power cord (24).
3. The teaching and displaying device for vocational education informatization according to claim 1, wherein a wiping strip (15) is bonded on the rear surface of the blackboard eraser (4), a blackboard eraser sliding groove (16) is formed in the outer surface of one side of the sliding plate (6), a blackboard eraser sliding rod (17) is welded on the outer surface of one side of the blackboard eraser (4), a display screen sliding groove (18) is formed in the upper surface of the display screen (5), and a sliding rail (19) is welded on the inner side of the teaching and displaying writing board (1) at the position inside the display screen sliding groove (18).
4. The teaching and demonstration device for vocational education informatization according to claim 1, wherein fixing plates (9) are welded on the upper outer surface and the lower outer surface of the teaching and demonstration writing board (1), the teaching and demonstration writing board (1) is fixed at a use position through the fixing plates (9), and the blackboard eraser (4) is slidably installed at the inner side position of the front surface sliding plate (6) of the teaching and demonstration writing board (1).
5. The teaching display device for vocational education informatization according to claim 1, wherein the teaching display writing board (1) is a stainless steel component, a toughened glass layer is embedded at the writing position of the front surface of the teaching display writing board (1), and a white primer is sprayed on the rear surface of the toughened glass layer.
6. The teaching and displaying device for vocational education informatization according to claim 1, wherein the lower end of the liquid supply pipe (8) is installed at the inner lower end position of the cleaning liquid tank (12) in a penetrating manner, the output end of the liquid supply pipe (8) is connected with the input end of the spray head (7) in a penetrating manner, and the spray heads (7) are arranged at the upper end of the front surface of the teaching and displaying writing board (1) at intervals of 30 cm.
7. The teaching and displaying device for vocational education informatization according to claim 2, wherein a liquid supply pipe (8) inside the cleaning liquid tank (12) is connected with input ends of the electromagnetic valve (14) and the spray head (7) through a water pump (13), an output end electrode of the power line (24) is connected with an output end of the single chip microcomputer (25), and an output end electrode of the single chip microcomputer (25) is connected with input ends of an audio and video interface (22), a control key (23), a loudspeaker (21), the electromagnetic valve (14) and the water pump (13).
8. The teaching display device for vocational education informatization according to claim 3, wherein sliding rails (19) are welded at the upper and lower ends of the inner side of the teaching display writing board (1), display screen sliding grooves (18) are formed in the upper and lower outer surfaces of the display screen (5), and the cleaning solution output component (2) is slidably mounted at the inner position of the teaching display writing board (1) through the display screen sliding grooves (18) and the sliding rails (19).
9. The teaching and displaying device for vocational education informatization according to claim 3, wherein sliding plates (6) are welded at the positions of two sides of the front surface of the teaching and displaying writing board (1), the eraser sliding rod (17) is slidably mounted at the inner position of the eraser sliding groove (16), the eraser (4) is slidably mounted at the inner side position of the sliding plate (6) through the eraser sliding rod (17) and the eraser sliding groove (16), the eraser strip (15) is a component made of pure cotton felt, and the eraser strip (15) is extruded at the position of the front surface of the teaching and displaying writing board (1) through the eraser (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010777728.0A CN111833673A (en) | 2020-08-05 | 2020-08-05 | Teaching display device for professional education informatization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010777728.0A CN111833673A (en) | 2020-08-05 | 2020-08-05 | Teaching display device for professional education informatization |
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| CN111833673A true CN111833673A (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010777728.0A Pending CN111833673A (en) | 2020-08-05 | 2020-08-05 | Teaching display device for professional education informatization |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519454A (en) * | 2020-12-07 | 2021-03-19 | 河北华发教育科技股份有限公司 | Data acquisition type multifunctional intelligent blackboard |
| CN113103807A (en) * | 2021-05-07 | 2021-07-13 | 邵逸添 | Teaching blackboard for Chinese language and literature teaching and use method thereof |
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| CN203637397U (en) * | 2014-01-16 | 2014-06-11 | 齐齐哈尔大学 | Chalkboard for English teaching |
| CN107187249A (en) * | 2017-07-07 | 2017-09-22 | 高翊宸 | A kind of blackboard eraser washing/drying device |
| CN209729153U (en) * | 2019-01-30 | 2019-12-03 | 黄河科技学院 | A kind of mathematical education display board |
| CN209842917U (en) * | 2019-02-28 | 2019-12-24 | 重庆三峡学院 | Teaching aid for teaching career planning course |
| CN210244653U (en) * | 2019-03-14 | 2020-04-03 | 焦莉莉 | Teaching of management science is with multi-functional show board |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5607312A (en) * | 1994-01-19 | 1997-03-04 | Zhou; Jie-Zhang | Writing board with an automatic erase device |
| CN203637397U (en) * | 2014-01-16 | 2014-06-11 | 齐齐哈尔大学 | Chalkboard for English teaching |
| CN107187249A (en) * | 2017-07-07 | 2017-09-22 | 高翊宸 | A kind of blackboard eraser washing/drying device |
| CN209729153U (en) * | 2019-01-30 | 2019-12-03 | 黄河科技学院 | A kind of mathematical education display board |
| CN209842917U (en) * | 2019-02-28 | 2019-12-24 | 重庆三峡学院 | Teaching aid for teaching career planning course |
| CN210244653U (en) * | 2019-03-14 | 2020-04-03 | 焦莉莉 | Teaching of management science is with multi-functional show board |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519454A (en) * | 2020-12-07 | 2021-03-19 | 河北华发教育科技股份有限公司 | Data acquisition type multifunctional intelligent blackboard |
| CN113103807A (en) * | 2021-05-07 | 2021-07-13 | 邵逸添 | Teaching blackboard for Chinese language and literature teaching and use method thereof |
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Application publication date: 20201027 |