CN112085978A - Foreign language training display service system - Google Patents

Foreign language training display service system Download PDF

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Publication number
CN112085978A
CN112085978A CN202011031404.9A CN202011031404A CN112085978A CN 112085978 A CN112085978 A CN 112085978A CN 202011031404 A CN202011031404 A CN 202011031404A CN 112085978 A CN112085978 A CN 112085978A
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CN
China
Prior art keywords
fixed mounting
display screen
foreign language
box
service system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011031404.9A
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Chinese (zh)
Inventor
叶勋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Multilingual Culture Technology Co ltd
Original Assignee
Shanghai Multilingual Culture Technology Co ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Shanghai Multilingual Culture Technology Co ltd filed Critical Shanghai Multilingual Culture Technology Co ltd
Priority to CN202011031404.9A priority Critical patent/CN112085978A/en
Publication of CN112085978A publication Critical patent/CN112085978A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00Electrically-operated educational appliances
    • G09B5/02Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0217Mechanical details of casings
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0217Mechanical details of casings
    • H05K5/0234Feet; Stands; Pedestals, e.g. wheels for moving casing on floor

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (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 discloses a foreign language training display service system which comprises a base and a box body, wherein the box body is fixedly arranged at the top of the base, first sliding groove plates are fixedly arranged at the lower parts of two sides of an inner cavity of the box body, sliding rods are connected inside the first sliding groove plates in a sliding manner, and a lifting frame is fixedly arranged between the two sliding rods. This foreign language training show service system, divide into main vice display screen with the display screen, the main display screen is used for the teaching, vice display screen is used for the interdynamic, mr can give each student terminal with the quick issue of task, after student's completion, can random extraction student's the task condition of accomplishing and throw the line analysis on the display screen, student also can give mr's leave a message question simultaneously, and will ask a question and show on mr's display screen, can provide fine service for student and teaching, to a great extent has improved training quality and efficiency.

Description

Foreign language training display service system
Technical Field
The invention relates to the technical field of teaching equipment, in particular to a foreign language training display service system.
Background
Foreign languages refer to foreign languages, i.e., languages used by non-native people. It refers to a language that is not used by the resident in a certain area, and it also refers to a language that is not used by the country to which a person belongs, for example, english is a foreign language in china, and english is widely used particularly in countries such as europe and the united states because of its international versatility. English is the primary course in most countries. The local people learn english mainly for the purpose of communicating with foreigners, and with the development of society and good open ideas to the outside, people pay more and more attention to foreign languages other than english and participate in various foreign language training.
At present, when foreign language training is carried out, a teacher teaches through a traditional teaching mode, most teachers give lessons unilaterally, interaction is rarely carried out with students, the students lose learning interest, training effects are not ideal enough, and training and teaching are not combined with real objects during teaching and training, so that the students do not understand thoroughly, and teaching quality cannot be achieved.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a foreign language training display service system, which solves the problems that a teacher does not have good teaching interaction with a student during foreign language training at present, and the student does not understand foreign language thoroughly.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a foreign language training display service system comprises a base and a box body, wherein the box body is fixedly arranged at the top of the base, the lower parts of two sides of an inner cavity of the box body are fixedly provided with a first chute plate, and the inside of the first chute plate is connected with a slide bar in a sliding way, a lifting frame is fixedly arranged between the two slide bars, a first driving motor is fixedly arranged at the two sides of the inner cavity of the box body and above the first chute plate through a connecting plate, a rotating gear is fixedly arranged on an output shaft of the first driving motor, teeth matched with the rotating gear for use are fixedly arranged on two sides of the lifting frame, the right side of the top of the lifting frame is fixedly provided with an auxiliary display screen through a connecting plate, the left side of the top of the lifting frame is fixedly provided with a main display screen through a connecting plate, the both sides at box top all seted up with vice display screen and main display screen cooperation use the opening.
Preferably, the bottom of the inner cavity of the box body is fixedly provided with a placing rack, and two sides of the inner wall of the placing rack are fixedly provided with placing plates.
Preferably, the bottom of the inner cavity of the box body and the inside of the placing frame are fixedly provided with a second sliding groove plate, the two sides of the top of the second sliding groove plate are respectively connected with a sliding block in a sliding mode, a transverse plate is fixedly arranged at the top of the sliding block, a second driving motor is fixedly arranged at the top of the transverse plate through a connecting plate, and an output shaft of the second driving motor is fixedly provided with a rotating plate through a connecting block.
Preferably, the two sides of the bottom of the rotating plate are fixedly connected with first universal wheels through connecting rods, the bottoms of the first universal wheels are in contact with the top of the transverse plate, an electric telescopic rod is fixedly mounted in the middle of the bottom of the transverse plate, and supporting wheels are fixedly mounted at the bottom end of the electric telescopic rod.
Preferably, the four corners of the bottom of the base are fixedly provided with second universal wheels, and the side surface of the box body is fixedly provided with a control key.
Preferably, the upper part of the surface of the box body is fixedly provided with a writing board, and the bottom of the rotating board is fixedly provided with a central processing unit.
Preferably, the output end of the main display screen is connected with the input end of the central processing unit, the central processing unit is in bidirectional connection with the wireless transceiver module, the wireless transceiver module is in bidirectional connection with the student mobile terminal, the output end of the main display screen is respectively connected with the input ends of the task issuing module and the random selection module, and the output ends of the task issuing module and the random selection module are both connected with the input end of the central processing unit.
Preferably, the output end of the central processing unit is connected with the output end of the auxiliary display screen, the output end of the auxiliary display screen is connected with the input end of the question answering module, the output end of the question answering module is connected with the input end of the central processing unit, the output end of the student mobile terminal is connected with the input end of the on-line question answering module, and the output end of the on-line question answering module is connected with the input end of the central processing unit.
(III) advantageous effects
The invention provides a foreign language training display service system. The method has the following beneficial effects:
(1) the foreign language training display service system is connected with the input end of a central processing unit through the output end of a main display screen, the central processing unit is in two-way connection with a wireless transceiver module, the wireless transceiver module is in two-way connection with a student mobile terminal, the output end of the main display screen is respectively connected with the input ends of a task issuing module and a random selection module, the output ends of the task issuing module and the random selection module are both connected with the input end of the central processing unit, the display screen is divided into a main display screen and a secondary display screen when training and learning are carried out, the main display screen is used for teaching, the secondary display screen is used for interaction, a teacher can rapidly issue tasks to each student terminal, after the students finish, the task completion conditions of the students can be randomly extracted and projected on the secondary display screen for analysis, meanwhile, the students can also leave questions for the teacher and display the questions on the display screen of the teacher, can provide good service for students and teaching, and improve training quality and efficiency to a great extent.
(2) This foreign language training show service system, the inside fixed mounting that just is located the rack through the bottom of box inner chamber has the second spout board, the equal sliding connection in both sides at second spout board top has the slider, and the top fixed mounting of slider has the diaphragm, there is second driving motor at the top of diaphragm through connecting plate fixed mounting, there is the rotor plate second driving motor's output shaft through connecting block fixed mounting, when carrying out foreign language training, can carry out fine show to the material object that needs to use in the training content, make the student can carry out better understanding to the learning content, when needs use, can be fine accomodating of show mechanism teaching.
(3) This foreign language training show service system has the rack through the bottom fixed mounting of box inner chamber to the equal fixed mounting in both sides of rack inner wall has places the board, and the equal fixed mounting in four turnings of base bottom has the second universal wheel, can be to the fine storage of teaching articles for use teaching, and this equipment can be very convenient removes simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the case structure of the present invention;
FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 2;
FIG. 4 is a side view of a first drive motor and rotating gear arrangement of the present invention;
fig. 5 is a schematic block diagram of the architecture of the system of the present invention.
In the figure, 1, a base; 2. a box body; 3. a first chute plate; 4. a slide bar; 5. a lifting frame; 6. a first drive motor; 7. a rotating gear; 8. teeth; 9. a secondary display screen; 10. a main display screen; 11. an opening; 12. placing a rack; 13. placing the plate; 14. a slider; 15. a transverse plate; 16. a rotating plate; 17. a first universal wheel; 18. an electric telescopic rod; 19. a support wheel; 20. a second universal wheel; 21. a control key; 22. a writing board; 23. a central processing unit; 24. a wireless transceiver module; 25. a student mobile terminal; 26. a task issuing module; 27. a random selection module; 28. a question answering module; 29. an online question-answering module; 30. a second chute plate; 31. a second drive motor; 32. and (4) a box door.
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. 1-5, an embodiment of the present invention provides a technical solution: a foreign language training display service system comprises a base 1 and a box body 2, wherein the box body 2 is fixedly arranged at the top of the base 1, the lower parts of the two sides of the inner cavity of the box body 2 are fixedly provided with a first chute plate 3, and the inside sliding connection of first chute board 3 has slide bar 4, fixed mounting has crane 5 between two slide bars 4, the both sides of 2 inner chambers of box and the top that is located first chute board 3 have first driving motor 6 through connecting plate fixed mounting, the output shaft fixed mounting of first driving motor 6 has rotating gear 7, the equal fixed mounting in both sides of crane 5 has tooth 8 that cooperatees and use with rotating gear 7, there is vice display screen 9 on the right side at crane 5 top through connecting plate fixed mounting, there is main display screen 10 on the left side at crane 5 top through connecting plate fixed mounting, opening 11 with vice display screen 9 and main display screen 10 matched with and used has all been seted up to the both sides at box 2 top.
In the invention, the bottom of the inner cavity of the box body 2 is fixedly provided with a placing rack 12, and two sides of the inner wall of the placing rack 12 are both fixedly provided with placing plates 13.
In the invention, a second chute plate 30 is fixedly arranged at the bottom of the inner cavity of the box body 2 and inside the placing frame 12, two sides of the top of the second chute plate 30 are both connected with a sliding block 14 in a sliding manner, a transverse plate 15 is fixedly arranged at the top of the sliding block 14, a second driving motor 31 is fixedly arranged at the top of the transverse plate 15 through a connecting plate, the first driving motor 6 and the second driving motor 31 are both servo motors, and a rotating plate 16 is fixedly arranged on an output shaft of the second driving motor 31 through a connecting block.
In the invention, two sides of the bottom of the rotating plate 16 are fixedly connected with first universal wheels 17 through connecting rods, the bottoms of the first universal wheels 17 are contacted with the top of the transverse plate 15, the middle part of the bottom of the transverse plate 15 is fixedly provided with an electric telescopic rod 18, and the bottom end of the electric telescopic rod 18 is fixedly provided with a supporting wheel 19.
In the invention, the four corners of the bottom of the base 1 are all fixedly provided with the second universal wheels 20, and the side surface of the box body 2 is fixedly provided with the control key 21.
In the invention, the upper part of the surface of the box body 2 is fixedly provided with a writing board 22, the bottom of the rotating board 16 is fixedly provided with a central processing unit 23, the model of the central processing unit 23 is ARM9, and the lower part of the surface of the box body 2 is hinged with a box door 32 through a hinge.
In the invention, the output end of the main display screen 10 is connected with the input end of the central processing unit 23, the central processing unit 23 is bidirectionally connected with the wireless transceiver module 24, the wireless transceiver module 24 can use 3G, 4G, 5G or WIFI network, the wireless transceiver module 24 is bidirectionally connected with the student mobile terminal 25, the output end of the main display screen 10 is respectively connected with the input ends of the task issuing module 26 and the random selection module 27, and the output ends of the task issuing module 26 and the random selection module 27 are both connected with the input end of the central processing unit 23.
In the present invention, the output end of the central processing unit 23 is connected to the output end of the sub-display 9, the output end of the sub-display 9 is connected to the input end of the question answering module 28, the output end of the question answering module 28 is connected to the input end of the central processing unit 23, the output end of the student mobile terminal 25 is connected to the input end of the on-line question answering module 29, and the output end of the on-line question answering module 29 is connected to the input end of the central processing unit 23.
When the teaching box is used, a teaching person can start the first driving motor 6, an output shaft of the first driving motor 6 can drive the rotating gear 7 to rotate, the rotating gear 7 drives the lifting frame 5 to move upwards through the teeth 8, the lifting frame 5 can drive the auxiliary display screen 9 and the main display screen 10 to move upwards, after the auxiliary display screen 9 and the main display screen 10 are completely moved out of the opening 11, when the teaching training needs the demonstration of a teaching object, an operator can open the box door 32, pull the rotating plate 16 out along the second chute plate 30, start the electric telescopic rod 18, the electric telescopic rod 18 can drive the supporting wheel 18 to move downwards, so that the supporting wheel 18 can well support the rotating plate 16 and place the object on the rotating plate 16, at the moment, the teaching person can start the second driving motor 31, the second driving motor 31 can drive the rotating plate 16 to rotate, thereby to the rotatory show of material object detail, when needing to give the student and publish the task, the teaching personnel can send module 26 through main display screen 10 control task, send the task to student's mobile terminal 25 through central processing unit 23 and wireless transceiver module 24, after the student task is accomplished, the teaching personnel can select the student at random through random selection module 27, thereby look over this student's task completion condition and teaching analysis (student task completion condition can be at vice display screen 9 teaching demonstration), when the student has a question in the training, operating personnel can give a question now through online question answering module 29 teaching, student's problem can show on vice display screen 9 this moment, the teaching personnel can be in time looked over.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a foreign language training show service system, includes base (1) and box (2), box (2) fixed mounting is in the top of base (1), its characterized in that: the utility model discloses a box, including box (2), inner chamber, crane, gear, first driving motor (6), output shaft fixed mounting has rotating gear (7), the equal fixed mounting in both sides of box (2) inner chamber has first chute board (3) in the lower part of the equal fixed mounting of slide bar (4) between have crane (5), the both sides of box (2) inner chamber just are located the top of first chute board (3) and have first driving motor (6) through connecting plate fixed mounting, the output shaft fixed mounting of first driving motor (6) has rotating gear (7), the equal fixed mounting in both sides of crane (5) has tooth (8) that cooperate and use with rotating gear (7), the right side at crane (5) top has vice display screen (9) through connecting plate fixed mounting, there is main display screen (10) through connecting plate fixed mounting in the left side at crane (5) top, opening (3) that cooperate and use with vice display screen (9) and main display screen (10) have all been seted up 11).
2. The foreign language training demonstration service system as claimed in claim 1, wherein: the bottom of the inner cavity of the box body (2) is fixedly provided with a placing rack (12), and two sides of the inner wall of the placing rack (12) are fixedly provided with placing plates (13).
3. The foreign language training demonstration service system as claimed in claim 2, wherein: the bottom of box (2) inner chamber and the inside fixed mounting that is located rack (12) have second spout board (30), the equal sliding connection in both sides at second spout board (30) top has slider (14) to the top fixed mounting of slider (14) has diaphragm (15), there is second driving motor (31) at the top of diaphragm (15) through connecting plate fixed mounting, the output shaft of second driving motor (31) has rotor plate (16) through connecting block fixed mounting.
4. The foreign language training demonstration service system as claimed in claim 3, wherein: the two sides of the bottom of the rotating plate (16) are both fixedly connected with first universal wheels (17) through connecting rods, the bottom of each first universal wheel (17) is in contact with the top of the transverse plate (15), an electric telescopic rod (18) is fixedly mounted in the middle of the bottom of the transverse plate (15), and a supporting wheel (19) is fixedly mounted at the bottom end of the electric telescopic rod (18).
5. The foreign language training demonstration service system as claimed in claim 1, wherein: four corners of base (1) bottom are all fixed mounting have second universal wheel (20), the side fixed mounting of box (2) has control button (21).
6. The foreign language training demonstration service system as claimed in claim 3, wherein: the upper portion fixed mounting on box (2) surface has board (22), the bottom fixed mounting of rotor plate (16) has central processing unit (23), the lower part on box (2) surface articulates through the hinge has chamber door (32).
7. The foreign language training demonstration service system as claimed in claim 1, wherein: the output end of the main display screen (10) is connected with the input end of the central processing unit (23), the central processing unit (23) is in bidirectional connection with the wireless transceiver module (24), the wireless transceiver module (24) is in bidirectional connection with the student mobile terminal (25), the output end of the main display screen (10) is connected with the input ends of the task issuing module (26) and the random selection module (27) respectively, and the output ends of the task issuing module (26) and the random selection module (27) are connected with the input end of the central processing unit (23).
8. The foreign language training demonstration service system as claimed in claim 7, wherein: the output end of the central processing unit (23) is connected with the output end of the auxiliary display screen (9), the output end of the auxiliary display screen (9) is connected with the input end of the question answering module (28), the output end of the question answering module (28) is connected with the input end of the central processing unit (23), the output end of the student mobile terminal (25) is connected with the input end of the on-line question answering module (29), and the output end of the on-line question answering module (29) is connected with the input end of the central processing unit (23).
CN202011031404.9A 2020-09-27 2020-09-27 Foreign language training display service system Pending CN112085978A (en)

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CN202011031404.9A CN112085978A (en) 2020-09-27 2020-09-27 Foreign language training display service system

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Application Number Priority Date Filing Date Title
CN202011031404.9A CN112085978A (en) 2020-09-27 2020-09-27 Foreign language training display service system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112991115A (en) * 2021-03-17 2021-06-18 上海数喆数据科技有限公司 Training method and system for effectively controlling training quality

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120308981A1 (en) * 2011-06-06 2012-12-06 Phil Libin Using intelligent screen cover in learning
CN107341976A (en) * 2017-08-22 2017-11-10 深圳科润视讯技术有限公司 Multifunctional intellectual interaction device
CN107745593A (en) * 2017-10-11 2018-03-02 镇江乐科信息科技有限公司 A kind of information technology teaching exhibiting device
CN109979258A (en) * 2019-01-22 2019-07-05 焦作大学 A kind of education informations displaying distributing device
CN209168700U (en) * 2018-12-17 2019-07-26 福建宁杭电子科技有限公司 A kind of interaction display plate device suitable for more scenes
CN210777205U (en) * 2019-06-17 2020-06-16 广州市宜佳网络科技有限责任公司 Electronic engineering specialty is with teaching board
CN111352369A (en) * 2020-03-16 2020-06-30 张皓玮 Electric automatization control cabinet

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120308981A1 (en) * 2011-06-06 2012-12-06 Phil Libin Using intelligent screen cover in learning
CN107341976A (en) * 2017-08-22 2017-11-10 深圳科润视讯技术有限公司 Multifunctional intellectual interaction device
CN107745593A (en) * 2017-10-11 2018-03-02 镇江乐科信息科技有限公司 A kind of information technology teaching exhibiting device
CN209168700U (en) * 2018-12-17 2019-07-26 福建宁杭电子科技有限公司 A kind of interaction display plate device suitable for more scenes
CN109979258A (en) * 2019-01-22 2019-07-05 焦作大学 A kind of education informations displaying distributing device
CN210777205U (en) * 2019-06-17 2020-06-16 广州市宜佳网络科技有限责任公司 Electronic engineering specialty is with teaching board
CN111352369A (en) * 2020-03-16 2020-06-30 张皓玮 Electric automatization control cabinet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112991115A (en) * 2021-03-17 2021-06-18 上海数喆数据科技有限公司 Training method and system for effectively controlling training quality

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Application publication date: 20201215