CN111369837A - Multifunctional display equipment for teaching of major for economic management - Google Patents
Multifunctional display equipment for teaching of major for economic management Download PDFInfo
- Publication number
- CN111369837A CN111369837A CN202010105417.XA CN202010105417A CN111369837A CN 111369837 A CN111369837 A CN 111369837A CN 202010105417 A CN202010105417 A CN 202010105417A CN 111369837 A CN111369837 A CN 111369837A
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- teaching
- panel
- display frame
- economic management
- screw rod
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Classifications
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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
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- 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
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/04—Easels or stands for blackboards or the like
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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
- B43L1/04—Blackboards
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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
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention belongs to the technical field of economic management teaching devices, and discloses a multifunctional teaching use display device, which comprises a device base, a teaching display frame, a first teaching panel and a second teaching panel, wherein the teaching display frame is arranged on the device base; a teaching display frame is arranged above the equipment base, a threaded screw rod is arranged at the top of the teaching display frame through a fixed block, and a screw rod sliding block is connected with a projector through a telescopic rod; electric putter is installed at the top in the equipment base both ends, the electric putter top is provided with first teaching panel through the fixing base installation. The height of the teaching display frame is adjusted through the hydraulic lifting rod; the first teaching panel is driven by an electric push rod to move up and down, and two sides of the first teaching panel slide up and down on slide rails on the inner side wall of the teaching display frame through pulleys; the first teaching panel and the lower writing blackboard can be used for teaching content writing of teachers in the economic management major; the dust collector is arranged to facilitate cleaning and reduce the dust content in the air.
Description
Technical Field
The invention relates to the technical field of economic management teaching devices, in particular to multifunctional display equipment for professional teaching for economic management.
Background
Economic management is a more important course in the university, and the teacher can use the blackboard usually when imparting knowledge to students, writes some theoretical knowledge on the blackboard to student's understanding or make notes etc. of being convenient for.
But present blackboard is functional comparatively single, all installs on the classroom wall usually, so be inconvenient for carry, and unable height-adjusting, if mr's height is shorter, then can not write in the eminence of blackboard to can not abundant utilization blackboard, and the blackboard is full of, when wiping with the blackboard eraser, can produce a large amount of dust, thereby can cause very big influence to the health, therefore we have proposed a multi-functional teaching and have used display device to solve above-mentioned problem.
Disclosure of Invention
The invention mainly aims to provide a multifunctional display device for professional teaching and use for economic management; the height of the teaching display frame is adjusted through a hydraulic lifting rod; the device is convenient to move by moving the caster; the first teaching panel is driven by an electric push rod to move up and down, and two sides of the first teaching panel slide up and down on slide rails on the inner side wall of the teaching display frame through slide wheels; the first teaching panel and the lower writing blackboard can be used for teaching content writing of teachers in the economic management major; the dust collector is arranged to facilitate the cleaning of people and reduce the dust content in the air; the protection effect is achieved for teachers; the projecting apparatus that sets up can the level (l) ing can conveniently carry out projection teaching operation, and the student of being convenient for is fast directly perceived carries out the absorption of the content of having lessons, also makes things convenient for the teacher to carry out the operation of imparting knowledge to students of electron courseware content simultaneously.
In order to achieve the purpose, the display equipment for professional teaching for multifunctional economic management comprises an equipment base, a teaching display frame, a hydraulic lifting rod, a first teaching panel, an electric push rod, a second teaching panel, a fixed block, a screw rod motor, a threaded screw rod, a projector, a dust collector and a controller, wherein the hydraulic lifting rod is arranged on the first teaching panel; the device comprises an equipment base, a hydraulic lifting rod, a teaching display frame, a threaded lead screw, a screw rod, a connecting seat, a screw rod fixing seat and a screw rod fixing seat, wherein the hydraulic lifting rod is arranged at the bottoms of two ends of the equipment base; the screw rod sliding block is connected with the projector through a telescopic rod;
electric push rods are mounted at the tops of the two ends of the equipment base, a first teaching panel is mounted at the top end of each electric push rod through a fixing seat, and pulleys are connected to the two sides of each first teaching panel through connecting rods; the inner side wall of the teaching display frame is provided with a slide rail, and two sides of the first teaching panel are connected with the slide rail in a sliding manner through pulleys; a second teaching panel is arranged on the back of the first teaching panel in the teaching display frame;
the equipment base internally mounted has the dust catcher, the equipment base top is provided with the dust absorption mouth that passes through the dust absorption union coupling with the dust catcher in first teaching panel and second teaching panel bottom department.
Optionally, the fixed blocks are fixedly installed at two ends of the top of the teaching display frame, threaded lead screws are installed on the fixed blocks through lead screw seats, lead screw sliders are arranged on the threaded lead screws in a threaded manner, telescopic rods are installed and fixedly installed at the bottoms of the lead screw sliders, and projectors are fixedly connected to telescopic ends below the telescopic rods; the projector is driven by the telescopic rod to move up and down on the screw rod sliding block.
Optionally, first teaching panel reciprocates through the electric putter drive, and slides from top to bottom through the pulley in the slide rail on teaching show frame inside wall in first teaching panel both sides.
Optionally, the second teaching panel comprises an upper projection panel and a lower writing blackboard.
Optionally, the projector drives the threaded screw rod to move left and right in the horizontal direction through the screw rod motor and the screw rod sliding block.
Optionally, a movable caster is installed and arranged at the bottom of the hydraulic lifting rod.
Optionally, a controller is installed on one side of the equipment base, and the controller is a PLC controller; the electric push rod, the screw rod motor and the telescopic rod are respectively electrically connected with the controller.
Optionally, a dust collecting groove is arranged at the bottom in the equipment base, and the dust collecting groove is arranged at the bottom of the dust collector.
Optionally, the controller is internally provided with a power supply, the controller is provided with a control panel and an indicator lamp, and the electric push rod, the lead screw motor and the telescopic rod are respectively electrically connected with the power supply.
Optionally, the electric push rod is an NH32-900 electric push rod; the telescopic link adopts the electric putter of JINGE model.
According to the technical scheme, hydraulic lifting rods are mounted at the bottoms of two ends of an equipment base, and the top ends of the lifting rods of the hydraulic lifting rods are fixedly connected with the bottom of the equipment base through connecting seats; the height of the teaching display frame can be adjusted by controlling the hydraulic lifting rod to lift up and down according to the requirements of teachers in the economic management major; and the casters are moved at the bottom of the hydraulic lifting rod, so that the device can be moved conveniently.
The first teaching panel can be used for teachers to write in teaching, the controller can control the electric push rod to start, and then the first teaching panel is driven upwards to move upwards; two sides of the first teaching panel slide up and down on slide rails on the inner side wall of the teaching display frame through pulleys; the lower writing blackboard below the second teaching panel on the back of the first teaching panel can be used for teaching content writing of teachers in the economic management profession.
The dust collector is arranged in the equipment base, and performs dust collection operation on a first teaching panel and a second teaching panel above the dust collector through a dust collection pipe through a dust collection port, and sucks dust into a dust collection groove; the cleaning of people is convenient, and the dust content in the air can be reduced; the protection effect is achieved for teachers.
The top of the teaching display frame is provided with a threaded screw rod through a fixed block, and one end of the threaded screw rod is in driving connection with a screw rod motor arranged on the top end of the teaching display frame; the screw rod sliding block is connected with the projector through a telescopic rod; the controller is connected the transmission with the projector with the network, through the projector with economic management electronic teaching content projection on the last projection panel of second teaching panel top, can conveniently carry out projection teaching operation, the student of being convenient for carries out the absorption of the content of having lessons fast directly perceived, also makes things convenient for the teacher to carry out the operation of imparting knowledge to students of electron courseware content simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a multifunctional display device for teaching professional use for economic management according to the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of a display device for professional teaching of multifunctional economic management according to the present invention;
FIG. 3 is a schematic structural view of a second teaching panel of the display device for professional teaching of multifunctional economic management according to the present invention;
the reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | Equipment base | 2 | |
| 3 | |
4 | |
| 5 | |
6 | Fixed seat |
| 7 | Connecting |
8 | |
| 9 | |
10 | |
| 11 | Fixed |
12 | |
| 13 | Screw |
14 | Screw |
| 15 | |
16 | Projector with a |
| 17 | |
18 | |
| 19 | |
20 | |
| 21 | |
101 | |
| 102 | Lower writing blackboard |
The implementation, functional features and advantages of the objects of the present invention will be further described with reference to the accompanying drawings.
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.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In the description of the present invention, it is to be understood that the terms "center", "centerline", "longitudinal", "lateral", "length", "width", "thickness", "depth", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the invention, also in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1-3, the present invention provides a multifunctional display device for economic management professional teaching, comprising a device base 1, a teaching display frame 2, a hydraulic lifting rod 3, a first teaching panel 4, an electric push rod 5, a second teaching panel 10, a fixing block 11, a screw motor 12, a threaded screw 13, a projector 16, a dust collector 17 and a controller 21; the device comprises an equipment base 1, a hydraulic lifting rod 3, a teaching display frame 2, a threaded screw rod 13 and a screw rod motor 12, wherein the hydraulic lifting rod 3 is arranged at the bottom of two ends of the equipment base 1, the top end of the lifting rod of the hydraulic lifting rod 3 is fixedly connected with the bottom of the equipment base 1 through a connecting seat, the teaching display frame 2 is arranged above the equipment base 1, the top of the teaching display frame 2 is provided with the threaded screw rod 13 through a fixing block 11, and one end of the threaded screw rod 13 is in driving connection with; a screw rod sliding block 14 is connected to the screw rod sliding block 14, and the screw rod sliding block 14 is connected with a projector 16 through a telescopic rod 15;
the inside of the equipment base 1 is provided with a dust collector 17, and the top of the equipment base 1 is provided with a dust collection port 18 connected with the dust collector 17 through a dust collection pipe at the bottoms of the first teaching panel 4 and the second teaching panel 10.
Specifically, the fixed block 11 is fixedly installed at two ends of the top of the teaching display frame 2, the fixed block 11 is provided with a threaded lead screw 13 through a lead screw seat, a lead screw slider 14 is threaded on the threaded lead screw 13, an expansion link 15 is fixedly installed at the bottom of the lead screw slider 14, and a projector 16 is fixedly connected to an expansion end below the expansion link 15; the projector 16 is driven by the telescopic rod 15 to move up and down on the screw rod sliding block 14.
Specifically, first teaching panel 4 reciprocates through the drive of electric putter 5, and slides from top to bottom through pulley 8 on the slide rail 9 on teaching show frame 2 inside wall in first teaching panel 4 both sides.
Specifically, the second teaching panel 10 includes an upper projection panel 101 and a lower writing blackboard 102.
Specifically, the projector 16 drives the threaded screw 13 to move left and right in the horizontal direction through the screw slider 14 by the screw motor 12.
Specifically, the bottom of the hydraulic lifting rod 3 is provided with a movable caster 20.
Specifically, a controller 21 is installed on one side of the equipment base 1, and the controller 21 is a PLC (programmable logic controller); the electric push rod 5, the screw rod motor 12 and the telescopic rod 15 are respectively electrically connected with the controller 21.
Specifically, the inner bottom of the equipment base 1 is provided with a dust collecting groove 19, and the dust collecting groove 19 is arranged at the bottom of the dust collector 17.
Specifically, the controller 21 is internally provided with a power supply, the controller 21 is provided with a control panel and an indicator light, and the electric push rod 5, the screw rod motor 12 and the telescopic rod 15 are respectively electrically connected with the power supply.
Specifically, the electric push rod 5 adopts an NH32-900 electric push rod; the telescopic rod 15 adopts an electric push rod of the JINGE model.
The working principle and the using process of the invention are as follows: when the multifunctional display device is used, a teacher in the economic management specialty moves the multifunctional display device for teaching and use in the economic management specialty to a teaching field through the movable trundles 20; firstly, a teacher in the economic management specialty carries out hydraulic lifting operation up and down by controlling a hydraulic lifting rod 3 according to the requirement of the teacher, so that the height of a teaching display frame 2 is adjusted; after the height of the teaching display frame 2 is adjusted, a teacher in the economic management department can perform professional teaching; in normal teaching use, a teacher can write on the first teaching panel 4; if the first teaching panel 4 does not meet the teaching writing requirement, the controller 21 can control the electric push rod 5 to start, and then the first teaching panel 4 is driven upwards to move upwards, and in the process that the first teaching panel 4 moves upwards, pulleys 8 are connected to the two sides of the first teaching panel 4 through connecting rods 7; a sliding rail 9 is arranged on the inner side wall of the teaching display frame 2, two sides of the first teaching panel 4 are connected with the sliding rail 9 in a sliding manner through pulleys 8, and two sides of the first teaching panel 4 slide up and down on the sliding rail 9 on the inner side wall of the teaching display frame 2 through the pulleys 8; after the first teaching panel 4 is moved to the upper part inside the teaching display frame 2, the lower writing blackboard 102 arranged below the second teaching panel 10 on the back of the first teaching panel 4 inside the teaching display frame 2 is exposed, and a teacher in the economic management major can write teaching contents on the lower writing blackboard 102;
after the teaching is finished, when the lower writing blackboard 102 below the first teaching panel 4 and the second teaching panel 10 is wiped, dust is generated, at this time, the controller 21 controls the dust collector 17 arranged inside the equipment base 1 to be started, the dust collection operation is carried out on the first teaching panel 4 and the second teaching panel 10 above through the dust collection pipe through the dust collection port 18, and the dust is sucked into the dust collection groove 19; the cleaning of people is convenient, and the dust content in the air can be reduced; the protection effect is achieved for teachers.
In addition, in the economic management teaching process, economic management professional teachers can also store economic management electronic teaching contents into the controller 21 in advance, the controller 21 is connected with the network and the projector 16 for transmission, the economic management electronic teaching contents are projected on the upper projection panel 101 above the second teaching panel 10 through the projector 16, projection teaching operation can be conveniently carried out, students can conveniently and visually absorb the teaching contents, and teachers can conveniently carry out teaching operation on the electronic courseware contents.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A multifunctional display device for teaching of major for economic management is characterized by comprising a device base (1), a teaching display frame (2), a hydraulic lifting rod (3), a first teaching panel (4), an electric push rod (5), a second teaching panel (10), a fixing block (11), a screw rod motor (12), a threaded screw rod (13), a projector (16), a dust collector (17) and a controller (21); the device comprises an equipment base (1), hydraulic lifting rods (3) are mounted at the bottoms of two ends of the equipment base (1), the top ends of the lifting rods of the hydraulic lifting rods (3) are fixedly connected with the bottom of the equipment base (1) through connecting seats, a teaching display frame (2) is mounted above the equipment base (1), a threaded screw rod (13) is mounted at the top of the teaching display frame (2) through a fixing block (11), and one end of the threaded screw rod (13) is in driving connection with a screw rod motor (12) mounted on the top end of the teaching display frame (2); the screw rod sliding block (14) is connected to the projection device, and the screw rod sliding block (14) is connected to the projector (16) through a telescopic rod (15);
electric push rods (5) are mounted at the tops of the two ends of the equipment base (1), a first teaching panel (4) is mounted at the top end of each electric push rod (5) through a fixing seat (6), and pulleys (8) are connected to the two sides of each first teaching panel (4) through connecting rods (7); a sliding rail (9) is arranged on the inner side wall of the teaching display frame (2), and two sides of the first teaching panel (4) are in sliding connection with the sliding rail (9) through pulleys (8); a second teaching panel (10) is arranged inside the teaching display frame (2) on the back of the first teaching panel (4);
the equipment base (1) internally mounted has dust catcher (17), equipment base (1) top is provided with dust absorption mouth (18) of being connected through the dust absorption pipe with dust catcher (17) in first teaching panel (4) and second teaching panel (10) bottom department.
2. The multifunctional display device for teaching and use of professions for economic management according to claim 1, wherein the fixed block (11) is fixedly installed at two ends of the top of the teaching display frame (2), the fixed block (11) is provided with a threaded lead screw (13) through a lead screw seat, the lead screw slider (14) is threaded on the threaded lead screw (13), the bottom of the lead screw slider (14) is fixedly provided with an expansion link (15), and the expansion end below the expansion link (15) is fixedly connected with a projector (16); the projector (16) is driven by the telescopic rod (15) to move up and down on the screw rod sliding block (14).
3. The multifunctional display device for teaching of professions for economic management according to claim 1, wherein the first teaching panel (4) is driven by an electric push rod (5) to move up and down, and two sides of the first teaching panel (4) slide up and down on slide rails (9) on the inner side wall of the teaching display frame (2) through pulleys (8).
4. The display apparatus for professional teaching use for multi-functional economic management according to claim 1, wherein the second teaching panel (10) comprises an upper projection panel (101) and a lower writing blackboard (102).
5. The multifunctional display device for professionally teaching and teaching used for economic management according to claim 1, wherein the projector (16) drives the threaded screw rod (13) to move left and right in the horizontal direction through the screw rod sliding block (14) by the screw rod motor (12).
6. The multifunctional display equipment for professionally teaching and teaching used for economic management according to claim 1, wherein the bottom of the hydraulic lifting rod (3) is provided with a movable caster (20).
7. The multifunctional display equipment for teaching and teaching of professions for economic management according to claim 1, wherein a controller (21) is installed on one side of the equipment base (1), and the controller (21) adopts a PLC (programmable logic controller); the electric push rod (5), the screw rod motor (12) and the telescopic rod (15) are respectively and electrically connected with the controller (21).
8. The multifunctional display device for profession and teaching use for economic management as claimed in claim 1, wherein the bottom of the device base (1) is provided with a dust collecting groove (19), and the dust collecting groove (19) is arranged at the bottom of the dust collector (17).
9. The multifunctional display device for teaching of professions and economic management according to claim 7, wherein a power supply is arranged inside the controller (21), a control panel and an indicator light are arranged on the controller (21), and the electric push rod (5), the lead screw motor (12) and the telescopic rod (15) are respectively electrically connected with the power supply.
10. The multifunctional display device for teaching and teaching of economic management professions according to claim 1, wherein the electric push rod (5) is an NH32-900 electric push rod; the telescopic rod (15) adopts an electric push rod of the JINGE model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010105417.XA CN111369837A (en) | 2020-02-20 | 2020-02-20 | Multifunctional display equipment for teaching of major for economic management |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010105417.XA CN111369837A (en) | 2020-02-20 | 2020-02-20 | Multifunctional display equipment for teaching of major for economic management |
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| Publication Number | Publication Date |
|---|---|
| CN111369837A true CN111369837A (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010105417.XA Pending CN111369837A (en) | 2020-02-20 | 2020-02-20 | Multifunctional display equipment for teaching of major for economic management |
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| Country | Link |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111833665A (en) * | 2020-07-31 | 2020-10-27 | 辽宁工程技术大学 | Special teaching display equipment of economic management convenient to teachers and students share |
| CN112170296A (en) * | 2020-08-27 | 2021-01-05 | 清远南玻节能新材料有限公司 | Cleaning device |
| CN112497972A (en) * | 2020-12-07 | 2021-03-16 | 安徽文香信息技术有限公司 | Portable wisdom blackboard dust collection device and system thereof |
| CN112669666A (en) * | 2020-12-25 | 2021-04-16 | 苏州富纳智能科技有限公司 | Servo drive mechanism for industrial vision teaching training display equipment |
| CN113160660A (en) * | 2021-02-04 | 2021-07-23 | 重庆工程职业技术学院 | Multifunctional learning assisting system for ideological and political education classroom |
| CN114654919A (en) * | 2021-05-20 | 2022-06-24 | 无锡科技职业学院 | Training demonstration device for human resource management |
| CN115407599A (en) * | 2022-09-28 | 2022-11-29 | 北京东方中原教育科技有限公司 | Integrated projection optical display system of self-adaptive teaching display panel |
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| CN113160660B (en) * | 2021-02-04 | 2022-08-02 | 重庆工程职业技术学院 | Multifunctional learning assisting system for ideological and political education classroom |
| CN114654919A (en) * | 2021-05-20 | 2022-06-24 | 无锡科技职业学院 | Training demonstration device for human resource management |
| CN115407599A (en) * | 2022-09-28 | 2022-11-29 | 北京东方中原教育科技有限公司 | Integrated projection optical display system of self-adaptive teaching display panel |
| CN115407599B (en) * | 2022-09-28 | 2024-08-09 | 东方中原(深圳)光显技术有限公司 | Self-adaptive teaching display panel integrated projection optical display system |
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