CN109658749A - Multifunction travelling management drop loss device - Google Patents
Multifunction travelling management drop loss device Download PDFInfo
- Publication number
- CN109658749A CN109658749A CN201910107584.5A CN201910107584A CN109658749A CN 109658749 A CN109658749 A CN 109658749A CN 201910107584 A CN201910107584 A CN 201910107584A CN 109658749 A CN109658749 A CN 109658749A
- Authority
- CN
- China
- Prior art keywords
- seat portion
- supporting table
- rack
- gear
- rotation axis
- 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.)
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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
Abstract
The present invention relates to teaching equipment technical fields, specifically disclose Multifunction travelling management drop loss device, including rack, rack is equipped with the first seat portion, second seat portion, first gear and support rod, first seat portion and second seat portion slide vertically connection on the rack, first gear is rotatablely connected on the rack, and the first seat portion and second seat portion are along the central axes of first gear bilateral symmetry；First seat portion and second seat portion include supporting table and the chair lift that is arranged in supporting table, and supporting table is equipped with vertical rack close to the side of first gear, and vertical rack with first gear for engaging；Supporting table is equipped with flange, and support rod is capable of forming the support to supporting table, is fixedly connected with elastic component between supporting table bottom and rack.By the device seating area of teaching is gone up and down as stage or dais, to solve the problems, such as that teaching efficiency difference and teaching classroom do not have interest in existing Tourism teaching.
Description
Technical field
The present invention relates to teaching equipment technical fields, specifically Multifunction travelling management drop loss device.
Background technique
The research range of Destination Management subject lay particular emphasis on the management of research tourist enterprise, tourism development and tourism market marketing,
The business scopes such as exhibitions service and management, thus Destination Management is related to the subject of multiple and different aspects.
During traditional Destination Management course teaching, the teacher of nearly all subject is to pass through in teaching
Projector in classroom is listened and looked to raw be sitting in the fixing seat in classroom or the content on blackboard is learnt, on the one hand, no
It is not identical with demand of the subject for classroom instruction equipment, but be limited to the limitation of teaching equipment and be unable to reach due teaching
Quality；On the other hand, student carries out study of listening to the teacher in the same way daily, and teaching efficiency is poor, without interest, Xue Shengxue
It is not high to practise enthusiasm.
Summary of the invention
The invention is intended to provide Multifunction travelling management drop loss device, to solve only to pass through existing fixation in the prior art
The teaching efficiency difference and teaching classroom that seat and cooperation blackboard or projector carry out do not have the problem of interest.
In order to achieve the above object, base case of the invention is as follows:
Multifunction travelling management drop loss device, including rack, the rack be equipped with the first seat portion, second seat portion,
First gear and support rod, first seat portion and second seat portion slide vertically connection on the rack, the first gear
On the rack, first seat portion and second seat portion are and described along the central axes of first gear bilateral symmetry for rotation connection
The symmetrical configuration of first seat portion and second seat portion；First seat portion and second seat portion include supporting table and setting
Chair lift in supporting table, the supporting table are equipped with vertical rack close to the side of first gear, and the vertical rack is used
It is engaged in first gear；The supporting table is equipped with flange far from the side of first gear, and the support rod can be moved to
Flange bottom forms the support to supporting table, is fixedly connected with elastic component between the supporting table bottom and rack.
Compared with the prior art the utility model has the advantages that
First, by the way that the seating area that can be gone up and down is arranged, teacher can choose at random any one region as dais
Or stage, so that the rearmost chair lift in classroom forms uncertainty, on the one hand, avoiding certain students is to attend class steathily
Lazy and generation the case where be specially sitting in classroom heel row；On the other hand, but also student reinforces the curiosity in classroom, be conducive to
Excite expectation of the student for classroom.
Second, teacher can learn to need and determine that any one region becomes the stage that student shows, gives according to subject
The more display machine meetings of student are given, the desire that shows for the student that appears on the stage can be excited, while can also not rise seating area
The energy of other students is more concentrated, and the interest of study increases, and learning efficiency is higher.
Further, the bracket being fixedly connected with supporting table is equipped with below the supporting table；First seat portion and second
Seat portion further includes lifting unit, the lifting unit include the through-hole being arranged in supporting table and be connected on bracket the
One rotation axis, the chair lift, which slides vertically, to be connected in through-hole；First rotation axis is equipped with thread segment, the chair lift
Equipped with downward opening blind hole, internal screw thread is equipped in the blind hole, the chair lift is connected by blind hole and the first rotation axle thread
It connects.
The utility model has the advantages that needing to lead to using the first seat portion or the supporting table in second seat portion as when stage or dais
It crosses lifting unit to drop to chair lift in through-hole, so that stage or dais that supporting table is formed do not have shelter, facilitates student
Displaying or teacher teaching.
Further, the lifting unit further include covering plate, sliding plug, the second rotation axis and be arranged in supporting table
One closed chamber, the covering plate, which slides laterally, to be connected in the first closed chamber, and the center of the sliding plug is equipped with screw thread
Hole, second rotation axis are equipped with thread segment, and the sliding plug is threaded in the second shaft by threaded hole, the cunning
Dynamic plug, which slides vertically, to be connected in the first closed chamber.
The utility model has the advantages that the second rotation axis of rotation, so that sliding plug slides vertically, so that the volume in the first closed chamber
It changes, pressure also changes, and the movement of covering plate is controlled by the variation of pressure；Promote when sliding plug moves up
When first closed chamber pressure increases, covering plate is released by the High Voltage in the first closed chamber, and covering plate hides the top of chair lift
Firmly, the case where avoiding student from directly stepping down in the top of chair lift and make chair lift dirty generation.
Further, the lifting unit further includes servo motor, and the output shaft of the servo motor and the first rotation axis are solid
It is fixed to connect, second gear, two second gears engagements are equipped in first rotation axis and the second rotation axis.
The utility model has the advantages that driving the first rotation axis and the rotation of the second rotation axis simultaneously by a servo motor, improves and watch
Take the utilization rate of motor.
Further, sealing plug is also cased in first rotation axis, the sealing plug is located in through-hole, the sealing plug position
Through-hole space between the underface of chair lift, the sealing plug and chair lift forms the second closed chamber, and described second is closed
Chamber and the connection of the first closed chamber.
The utility model has the advantages that be connected to the first closed chamber by the second closed chamber of formation, so that the first closed chamber and second close
The variation of pressure is bigger in the closed containing cavity that closed chamber is formed, and is more advantageous to the lateral of covering plate and releases.
Further, the upper surface of the covering plate is equipped with buffering cotton.
The utility model has the advantages that student can perceive screening of whether having stepped on by sole when student shows on the stage of rising
Cover board, and then make and move the decision that foot leaves covering plate, the case where relative to buffering cotton is not provided with, the buffering cotton one that is equipped with
Aspect can mitigate generated sense of discomfort when student steps in the pit left into the chair lift of sinking；On the other hand, it also reminds
Student steps on covering plate less, to extend the service life of device.
Further, the Multifunction travelling management drop loss device further includes the linear motor being fixedly connected on the rack, institute
The output shaft for stating linear motor is fixedly connected with support rod.
The utility model has the advantages that linear motor directly can drive support rod to move up and down, so that support rod is formed to supporting table
Support.
Further, several projection screens are also fixedly connected in the rack.
The utility model has the advantages that entire classroom is become a showroom by projection screen at this time when projection screen is all unfolded, lead to
Cross the different content of projection screen presentation, on the one hand, can Teaching Circumstances be drawn, compared with the prior art in an only small page
The case where PPT, periscian's curtain can allow student in learning process, generate feeling on the spot in person, and interest increases, makes
The thinking for obtaining student is more opened up；On the other hand, the content that can be also shown according to different projection screens, the tourism to student
Product design ability carries out scene PK, is conducive to improve the quality of teaching.
Detailed description of the invention
Fig. 1 is the top view of the embodiment of the present invention；
Fig. 2 is the A-A half sectional view in Fig. 1；
Fig. 3 is enlarged diagram at the B in Fig. 2.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: rack 1, linear motor 2, the first seat portion 3, second seat portion 4,
One gear 5, supporting table 7, chair lift 8, lifting unit 9, bracket 10, vertical rack 11, flange 12, spring 13, leads to support rod 6
Hole 14, the first rotation axis 15, covering plate 16, sliding plug 17, the second rotation axis 18, the first closed chamber 19, servo motor 20, blind hole
21, sealing plug 22, the second closed chamber 23, projection screen 24, second gear 25, channel 26, support slot 27, disconnection switch 28.
Embodiment is substantially as shown in Fig. 1:
Multifunction travelling management drop loss device combined with Figure 1 and Figure 2, including rack 1 and linear motor 2, linear motor 2 are solid
Surely it is connected in rack 1；Rack 1 is equipped with the first seat portion 3, second seat portion 4, first gear 5 and vertical support rod 6,
First seat portion 3 and second seat portion 4, which slide vertically, to be connected in rack 1, and first gear 5 is rotatably connected in rack 1, and first
Seat portion 3 and second seat portion 4 are along the central axes of first gear 5 bilateral symmetry, and the first seat portion 3 and second seat portion 4
Symmetrical configuration；Projection screen 24 is also bolted to connection in rack 1, projection screen 24 is located at the first seat portion 3 and
The side of two seat portions 4.
In conjunction with Fig. 2 and Fig. 3, the first seat portion 3 and second seat portion 4 include supporting table 7, vertically movable are connected to support
The lifting unit 9 that chair lift 8 and drive chair lift 8 on platform 7 are gone up and down；The bottom of supporting table 7 has been bolted to connection
Bracket 10, supporting table 7 are fixedly connected with vertical rack 11,11 energy of vertical rack by screw on the side of first gear 5
It is enough to be engaged with first gear 5；Supporting table 7 is equipped with flange 12 far from the side of first gear 5；The output shaft of linear motor 2 with
Support rod 6 is fixedly connected, and support rod 6 can be moved upward to 12 bottom of flange and then formation pair under the drive of linear motor 2
The support of supporting table 7；Spring 13 is fixedly connected between 7 bottom of supporting table and rack 1.
In conjunction with Fig. 1 to Fig. 3, lifting unit 9 includes the through-hole 14 being arranged in supporting table 7, is rotatablely connected over the mount 10
The first rotation axis 15, covering plate 16, sliding plug 17, the second rotation axis 18,19 and of the first closed chamber being arranged in supporting table 7
Servo motor 20, chair lift 8, which slides vertically, to be connected in through-hole 14, and the first rotation axis 15 is equipped with thread segment, and chair lift 8 is equipped with
Downward opening blind hole 21, blind hole 21 is interior to be equipped with internal screw thread, and chair lift 8 is threadedly coupled by blind hole 21 with the first rotation axis 15,
Through-hole 14 is cylindrical hole 14, and the outer profile of chair lift 8 is cylindrical.
Covering plate 16, which slides laterally, to be connected in the first closed chamber 19, and the center of sliding plug 17 is equipped with threaded hole,
Second rotation axis 18 is equipped with thread segment, and sliding plug 17 is threaded in the second rotation axis 18 by threaded hole, sliding plug 17
It slides vertically and is connected in the first closed chamber 19.
The output shaft of servo motor 20 is fixedly connected with the first rotation axis 15, in the first rotation axis 15 and the second rotation axis 18
Key connection has second gear 25, and two second gears 25 engage.
Sealing plug 22 is also cased in first rotation axis 15, sealing plug 22 is located in through-hole 14, and sealing plug 22 is located at chair lift 8
Underface, 14 space of through-hole between sealing plug 22 and chair lift 8 forms the second closed chamber 23, the second closed chamber 23 and first
Closed chamber 19 passes through the channel 26 being equipped with and is connected to.
The upper surface of covering plate 16 is equipped with sponge, is also provided with support slot 27 in supporting table 7, covering plate 16 can slide laterally
To support slot 27, the disconnection switch 28 that control 20 power supply of servo motor disconnects is installed in support slot 27.20 He of servo motor
The power switch control knob of linear motor 2 is located in the rack 1 of projection screen 24.
Specific implementation process is as follows:
The Multifunction travelling management drop loss device is installed.
After student enters classroom, teacher selects to need to rise by the power switch control knob of control linear motor 2
The first seat portion 3 or second seat portion 4, for rising First position portion 3, teacher requires student to leave the first seat portion 3,
Student sits on the chair lift 8 in second seat portion 4, the gravity for the student that second seat portion 4 is subject to.
In conjunction with Fig. 2 and Fig. 3, teacher presses the power switch control knob of the linear motor 2 in second seat portion 4, support the
The support rod 6 of two seat portions 4 moves down, and the gravity of student promotes the supporting table 7 in second seat portion 4 to move down (at this point,
The spring 13 of two seat portions, 4 lower section is under pressure and compresses, which accumulates elastic potential energy), and then drive first gear 5 suitable
Hour hands rotation, first gear 5 drive the supporting table 7 of the first seat portion 3 to move up, and say so that the first seat portion 3 rises to become
Platform or stage (spring 13 of 3 lower section of the first seat portion receives pulling force and stretches).
Teacher presses the power switch control knob of the servo motor 20 in the first seat portion 3, and servo motor 20 rotates, band
Dynamic first rotation axis 15 rotation, chair lift 8 are moved down with the rotation of the first rotation axis 15, what chair lift 8 moved down
In the process, the volume of the second closed chamber 23 become smaller pressure increase；At the same time, effect of second rotation axis 18 in second gear 25
Lower rotation, the rotation direction of the rotation direction of the second rotation axis 18 and the first rotation axis 15 on the contrary, thus be threaded in second
Sliding plug 17 in rotation axis 18 moves up, and during sliding plug 17 moves up, the volume in the first closed chamber 19 subtracts
Few, pressure is gradually increased；The first closed chamber 19 is connected to the second closed chamber 23 by channel 26 simultaneously, thus the first closed chamber 19
The closed containing cavity being connected to is formed with the second closed chamber 23；When chair lift 8 is moved down into 16 or less covering plate, covering plate 16 exists
It is released rapidly under the High Voltage of closed containing cavity, and then covering plate 16 covers the top of chair lift 8；Covering plate 16 is released to support
When in slot 27, the disconnection switch 28 in support slot 27 is pressed, and servo motor 20 stops operating.
When needing to restore the height of the first seat portion 3 and second seat portion 4, it is only necessary to which student leaves the first seat portion 3
With second seat portion 4, the spring 13 under the first seat portion 3 pulls the supporting table 7 of the first seat portion 3 to move down, and second
The spring 13 of 4 lower section of position portion loses the gravity of student in corresponding supporting table 7, thus spring 13 pushes the branch in second seat portion 4
Support platform 7 moves up；First seat portion 3 moves down, and second seat portion 4 moves up, and first gear 5 is driven to turn counterclockwise
It is dynamic, until the supporting table 7 of the first seat portion 3 and second seat portion 4 is restored to initial fair height.Teacher controls second seat
The starting of the linear motor 2 in portion 4, so that the support rod 6 in second seat portion 4 rises and then continues to support second seat portion 4.
First seat portion 3 and second seat portion 4 there are two being set in the present apparatus, thus the area that student in device can be taken a seat
Domain is divided into four pieces, and teacher can choose at random any one region as dais or stage, and lecture content is passed through projection
Instrument is presented on corresponding projection screen 24, so that the rearmost chair lift 8 in classroom forms uncertainty, on the one hand,
Avoiding certain students is lazy and generation the case where be specially sitting in classroom heel row of attending class；On the other hand, but also student for
The curiosity in classroom is reinforced, and the expectation for exciting student for classroom is conducive to.
In addition, teacher can learn to need and determine that any one region becomes the stage that student shows, gives according to subject
The more display machine meetings of student are given, the desire that shows for the student that appears on the stage can be excited, while can also not rise seating area
The energy of other students is more concentrated, and the interest of study increases, and learning efficiency is higher.
In the projection screen 24 of the first seat portion 3 and second seat portion 4 being circumferentially with, when all projection screens 24 are opened up
When opening, entire classroom is become a showroom, the different content presented by projection screen 24, a side by projection screen 24 at this time
Face can make Teaching Circumstances draw, and can allow student in learning process, generate feeling on the spot in person, and interest increases, so that
The thinking of student is more opened up；On the other hand, the content that can be also shown according to different projection screens 24, the tourism to student
Product design ability carries out scene PK, is conducive to improve the quality of teaching.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific embodiment can be used for explaining the content of claim.
Claims (8)
1. Multifunction travelling management drop loss device, it is characterised in that: including rack, the rack is equipped with the first seat portion, the
Two seat portions, first gear and support rod, first seat portion and second seat portion slide vertically connection on the rack, described
First gear is rotatablely connected on the rack, and first seat portion and second seat portion are along central axes of first gear or so pair
Claim, and the symmetrical configuration of first seat portion and second seat portion；First seat portion and second seat portion include branch
Support platform and the chair lift being arranged in supporting table, the supporting table is equipped with vertical rack close to the side of first gear, described
Vertical rack with first gear for engaging；The supporting table is equipped with flange, the support rod far from the side of first gear
Flange bottom can be moved to and form support to supporting table, be fixedly connected between the supporting table bottom and rack flexible
Part.
2. Multifunction travelling management drop loss device according to claim 1, it is characterised in that: be equipped with below the supporting table
The bracket being fixedly connected with supporting table；First seat portion and second seat portion further include lifting unit, and the lifting is single
Member includes the through-hole being arranged in supporting table and the first rotation axis being connected on bracket, and the chair lift, which slides vertically, to be connected to
In through-hole；First rotation axis is equipped with thread segment, and the chair lift is equipped with downward opening blind hole, is equipped in the blind hole
Internal screw thread, the chair lift are threadedly coupled by blind hole with the first rotation axis.
3. Multifunction travelling management drop loss device according to claim 2, it is characterised in that: the lifting unit further includes
Covering plate, sliding plug, the second rotation axis and the first closed chamber being arranged in supporting table, the covering plate, which slides laterally, to be connected to
In first closed chamber, the center of the sliding plug is equipped with threaded hole, and second rotation axis is equipped with thread segment, described
Sliding plug is threaded in the second shaft by threaded hole, and the sliding plug, which slides vertically, to be connected in the first closed chamber.
4. Multifunction travelling management drop loss device according to claim 3, it is characterised in that: the lifting unit further includes
Servo motor, the output shaft of the servo motor are fixedly connected with the first rotation axis, first rotation axis and the second rotation axis
On be equipped with second gear, two second gears engagements.
5. Multifunction travelling management drop loss device according to claim 4, it is characterised in that: in first rotation axis also
It is cased with sealing plug, the sealing plug is located in through-hole, and the sealing plug is located at the underface of chair lift, the sealing plug and lifting
Through-hole space between chair forms the second closed chamber, and second closed chamber is connected to the first closed chamber.
6. Multifunction travelling management drop loss device according to claim 5, it is characterised in that: the upper surface of the covering plate
Equipped with buffering cotton.
7. Multifunction travelling management drop loss device according to claim 6, it is characterised in that: the Multifunction travelling management
Instructional device further includes the linear motor being fixedly connected on the rack, and the output shaft and support rod of the linear motor are fixed to be connected
It connects.
8. Multifunction travelling management drop loss device according to claim 7, it is characterised in that: also fixed in the rack to connect
It is connected to several projection screens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910107584.5A CN109658749B (en) | 2019-01-18 | 2019-01-18 | Multifunctional tourism management teaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910107584.5A CN109658749B (en) | 2019-01-18 | 2019-01-18 | Multifunctional tourism management teaching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109658749A true CN109658749A (en) | 2019-04-19 |
| CN109658749B CN109658749B (en) | 2020-11-03 |
Family
ID=66122098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910107584.5A Active CN109658749B (en) | 2019-01-18 | 2019-01-18 | Multifunctional tourism management teaching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109658749B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4288195A (en) * | 1979-06-07 | 1981-09-08 | Southworth, Incorporated | Roll-away wheel truck and lift table assembly |
| CN2137106Y (en) * | 1990-07-31 | 1993-06-30 | 金星 | Multi-function teacher's table being able to adjust its height |
| CN101923409A (en) * | 2009-06-12 | 2010-12-22 | 洪立业 | Electric lifting interactive electronic white board |
| CN103422686A (en) * | 2013-08-08 | 2013-12-04 | 彭爽 | Intelligent classroom |
| CN104047446A (en) * | 2013-03-15 | 2014-09-17 | 上海秀域文化科技有限公司 | Stage capable of changing stage region and stage state by rotation of auditorium |
| CN104127039A (en) * | 2014-07-29 | 2014-11-05 | 东北大学 | Novel modularized classroom system |
| KR20150083556A (en) * | 2014-01-10 | 2015-07-20 | 인하공업전문대학산학협력단 | Multimedia Smart Podium For Auto Adjustment of Height |
| CN105520365A (en) * | 2016-01-13 | 2016-04-27 | 成都佳美嘉科技有限公司 | Class teaching platform |
| CN206227942U (en) * | 2016-08-26 | 2017-06-09 | 杜嘉威 | A kind of adjustable study table |
| CN107784876A (en) * | 2017-10-12 | 2018-03-09 | 红安艾伯尔机械科技有限公司 | A kind of board of education of Destination Management teaching |
| CN207761346U (en) * | 2017-12-29 | 2018-08-24 | 四川农业大学 | A kind of annular classroom that expansion is freely combined |
| CN108922320A (en) * | 2018-08-03 | 2018-11-30 | 苏州承儒信息科技有限公司 | A kind of automated teaching optical projection system based on artificial intelligence |
-
2019
- 2019-01-18 CN CN201910107584.5A patent/CN109658749B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4288195A (en) * | 1979-06-07 | 1981-09-08 | Southworth, Incorporated | Roll-away wheel truck and lift table assembly |
| CN2137106Y (en) * | 1990-07-31 | 1993-06-30 | 金星 | Multi-function teacher's table being able to adjust its height |
| CN101923409A (en) * | 2009-06-12 | 2010-12-22 | 洪立业 | Electric lifting interactive electronic white board |
| CN104047446A (en) * | 2013-03-15 | 2014-09-17 | 上海秀域文化科技有限公司 | Stage capable of changing stage region and stage state by rotation of auditorium |
| CN103422686A (en) * | 2013-08-08 | 2013-12-04 | 彭爽 | Intelligent classroom |
| KR20150083556A (en) * | 2014-01-10 | 2015-07-20 | 인하공업전문대학산학협력단 | Multimedia Smart Podium For Auto Adjustment of Height |
| CN104127039A (en) * | 2014-07-29 | 2014-11-05 | 东北大学 | Novel modularized classroom system |
| CN105520365A (en) * | 2016-01-13 | 2016-04-27 | 成都佳美嘉科技有限公司 | Class teaching platform |
| CN206227942U (en) * | 2016-08-26 | 2017-06-09 | 杜嘉威 | A kind of adjustable study table |
| CN107784876A (en) * | 2017-10-12 | 2018-03-09 | 红安艾伯尔机械科技有限公司 | A kind of board of education of Destination Management teaching |
| CN207761346U (en) * | 2017-12-29 | 2018-08-24 | 四川农业大学 | A kind of annular classroom that expansion is freely combined |
| CN108922320A (en) * | 2018-08-03 | 2018-11-30 | 苏州承儒信息科技有限公司 | A kind of automated teaching optical projection system based on artificial intelligence |
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| Publication number | Publication date |
|---|---|
| CN109658749B (en) | 2020-11-03 |
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