CN112951005A - English word assists teaching with electronic whiteboard display device - Google Patents
English word assists teaching with electronic whiteboard display device Download PDFInfo
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- CN112951005A CN112951005A CN202110141957.8A CN202110141957A CN112951005A CN 112951005 A CN112951005 A CN 112951005A CN 202110141957 A CN202110141957 A CN 202110141957A CN 112951005 A CN112951005 A CN 112951005A
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- electronic whiteboard
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- 230000033001 locomotion Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 137
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 36
- 229910052742 iron Inorganic materials 0.000 claims description 18
- 238000000926 separation method Methods 0.000 claims description 5
- 239000000696 magnetic material Substances 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (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 application discloses supplementary teaching of english word is with electronic whiteboard display device includes: the electronic whiteboard, the magnetic whiteboard, the side plates, the supporting bottom plate, the speed reducing motor, the rack and the gear; the curb plate is for fixed setting up the both sides plate body structure at magnetic white board, supporting baseplate upper end both sides still are fixed with the support curb plate, the curb plate lower extreme is connected on the support curb plate, and curb plate and supporting baseplate all can slide from top to bottom along the electronic white board side, gear motor fixed mounting is on supporting baseplate, gear motor output shaft connects the gear, the rack is fixed to be set up in the electronic white board side, under gear motor's drive, the gear reciprocates along the rack, thereby can drive the curb plate and slide from top to bottom, realize magnetic white board along the electronic white board preceding terminal surface up-and-down motion. The electronic whiteboard display device provided by the application effectively combines the magnetic whiteboard and the electronic whiteboard, and can realize the full-automatic free switching of the writing state of the magnetic whiteboard and the display state of the electronic whiteboard.
Description
Technical Field
This application belongs to english teaching tool technical field, especially relates to an electronic whiteboard display device is used in supplementary teaching of english word.
Background
The electronic whiteboard can be in information communication with a computer, the electronic whiteboard is connected to the PC, the projector is used for projecting the content on the PC to the screen of the electronic whiteboard, and the PC can be connected with a printer, a digital exhibition stand and other equipment to realize instant recording video exhibition, real object exhibition, printing and the like. If the electronic whiteboard communicates with other offices and meeting rooms through the network through a specific application program such as NETMEETING of MICROSOFT, so that the network meeting is realized.
Electronic whiteboards have been widely used in current english teaching, but some english teachers still get used to traditional magnetic writing whiteboards, and the electronic whiteboards and the traditional magnetic writing whiteboards are combined together, and the combined whiteboard display device which does not affect the respective use performance is not widely used, and even though the whiteboard device which combines the electronic whiteboards and the traditional magnetic writing whiteboards, the problem of low automation degree of the switching process still exists.
Content of application
For overcoming the problem that exists among the correlation technique, this application provides an electronic whiteboard display device is used in supplementary teaching of english word, includes: the electronic whiteboard, the magnetic whiteboard, the side plates, the supporting bottom plate, the speed reducing motor, the rack and the gear; the magnetic white board covers the front end face of the electronic white board, the side plates are plate body structures fixedly arranged on two sides of the magnetic white board, the supporting bottom plate is arranged at the lower position outside the side plates, supporting side plates are also fixed at two sides of the upper end of the supporting bottom plate, the lower ends of the side plates are connected to the supporting side plates, the side plates and the supporting bottom plate can slide up and down along the side surface of the electronic whiteboard, the speed reducing motor is fixedly arranged on the supporting bottom plate, the output shaft of the gear motor is connected with the gear, the rack is fixedly arranged on the side surface of the electronic whiteboard and arranged along the height direction of the electronic whiteboard, the gear is meshed with the rack, under the driving of the speed reducing motor, the gear moves up and down along the rack, so that the side plate can be driven to slide up and down, and the magnetic white board moves up and down along the front end face of the electronic white board.
As a further explanation of the application, both sides of the lower end of the side plate are fixedly connected with rotating shafts, and the outer end parts of the rotating shafts are rotatably connected to the supporting side plates through bearing seats.
As a further explanation of the present application, the electronic whiteboard display device further includes a first hollow transmission shaft, a second shaft sleeve, a second hollow transmission shaft, a first transmission shaft, a second transmission shaft and a first shaft sleeve, the outer end of the output shaft of the speed reduction motor is fixedly connected to the second transmission shaft, the output shaft of the speed reduction motor is further connected to the first hollow transmission shaft through a transmission assembly, one end of the first transmission shaft is fixed to the axis position of the gear, the other end of the first transmission shaft and the outer end of the second transmission shaft are both inserted into the first shaft sleeve, one end of the second hollow transmission shaft is fixedly connected to a connection plate, the other end of the second hollow transmission shaft and the first hollow transmission shaft are both inserted into the second shaft sleeve, the connection plate is fixedly connected to the lower end of the side plate, and the second hollow transmission shaft and the first hollow transmission shaft are both rotatably, the first transmission shaft and the second transmission shaft are rotatably mounted on the supporting bottom plate through bearing seats, a second connecting seat is rotatably connected to the outer side of the second shaft sleeve, a first connecting iron seat is rotatably connected to the outer side of the first shaft sleeve, the connecting disc, the second hollow transmission shaft, the second shaft sleeve and the first hollow transmission shaft are coaxially sleeved on the outer side of the rotating shaft, key grooves are formed in the inner walls of the first shaft sleeve and the second shaft sleeve, first connecting keys are arranged on the outer walls of the second hollow transmission shaft and the first transmission shaft, second connecting keys are arranged on the outer walls of the first hollow transmission shaft and the second transmission shaft, and the first connecting keys and the second connecting keys are matched with the key grooves;
the supporting side plate and the supporting bottom plate are respectively provided with a first driving piece and a second driving piece, and the first driving piece is used for driving the second connecting seat to slide back and forth along the supporting side plate, so that the matching and the separation actions of the first connecting key on the second hollow transmission shaft and the key groove in the second shaft sleeve are realized; the second driving piece is used for driving the first connecting iron seat to slide back and forth along the supporting bottom plate, so that the matching and the separation of the first connecting key on the first transmission shaft and the key groove in the first shaft sleeve are realized.
As a further explanation of this application, the support curb plate with all set up the adjustment tank on the supporting baseplate, first driving piece with the second driving piece is all including setting up reset spring and electro-magnet in the adjustment tank, first connection iron seat with the equal sliding connection of second connecting seat is in the adjustment tank, first connection iron seat with second connecting seat and corresponding all connect between the electro-magnet reset spring, first connection iron seat with the second connecting seat is arranged in part in the adjustment tank is strong magnetic material and makes.
As a further explanation of this application, all set up the second guide rail on the wall of adjustment tank both sides, first connection iron seat with all fix on the second connecting seat with second guide rail complex slider, the slider with second guide rail sliding fit connects.
As a further explanation of the present application, the electronic whiteboard display device further comprises a position proximity sensor and a PLC controller, wherein the position proximity sensor, the reduction motor and the electromagnet are all electrically connected to the PLC controller; the second hollow transmission shaft and the first transmission shaft are both provided with the position proximity sensors, and the first shaft sleeve and the second shaft sleeve are provided with position marking pieces;
when the PLC controller controls the gear motor to drive the gear to move up and down along the rack, the electromagnet on the supporting side plate is kept electrified, the electromagnet on the supporting bottom plate is kept powered off, the first connecting key on the first transmission shaft is kept matched with the key slot in the first shaft sleeve at the moment, and the first connecting key on the second hollow transmission shaft is separated from the key slot in the second shaft sleeve; when the PLC controller controls the gear motor to drive the gear to move upwards to the top end along the rack, the PLC controller controls the gear motor to continue to drive the second transmission shaft to rotate until the key slot in the second hollow transmission shaft is aligned with the first connecting key of the second hollow transmission shaft, the position proximity sensor can just sense the position marking sheet at the moment, so that a signal is transmitted to the PLC controller, the PLC controller controls the gear motor to stop rotating and controls the electromagnet switched to the supporting side plate to be powered off, the electromagnet on the supporting bottom plate is powered on, the first connecting key on the first transmission shaft is separated from the key slot in the first shaft sleeve at the moment, and the first connecting key on the second hollow transmission shaft is matched with the key slot in the second shaft sleeve, and then the PLC controller continuously controls the speed reducing motor to drive the second hollow transmission shaft to rotate, so that the connecting disc drives the magnetic white board and the side plate to rotate to the rear end face of the electronic white board.
As a further explanation of the present application, collecting rings are installed on the outer sides of the second hollow transmission shaft and the first transmission shaft, a terminal on the position proximity sensor is electrically connected with the collecting rings, an electric brush is matched on the collecting rings, and the electric brush is connected with the PLC controller and the power supply through a wire.
As a further explanation of this application, the curb plate with all set up the pulley on the supporting baseplate, whiteboard side sets up first guide rail, the pulley can be followed first guide rail slides from top to bottom.
As a further explanation of the present application, the transmission assembly includes a driving sprocket, a driven sprocket and a chain, the driving sprocket is fixed to the output shaft of the reduction motor, the driven sprocket is coaxially fixed to the outer side of the first hollow transmission shaft, and the driving sprocket and the driven sprocket are connected through the chain.
As a further explanation of the application, the bottom of the electronic whiteboard is fixedly connected with a support frame.
Compared with the prior art, the method has the following beneficial technical effects:
the application provides an electronic whiteboard display device has carried out effective combination with magnetism blank and electronic whiteboard, and can realize the full automatization of the writing state of magnetism blank and electronic whiteboard show state freely switches, and more importantly, the whole journey that switches only needs a motor drive spare can realize convenient and practical.
Drawings
Fig. 1 is a schematic partial structure diagram of an electronic whiteboard display device for assisting in teaching english words in an embodiment provided in the present application;
fig. 2 is a schematic side view of a magnetic whiteboard in an in-use state according to an embodiment of the present disclosure;
fig. 3 is a schematic side view of an electronic whiteboard in a use state according to an embodiment of the present disclosure;
fig. 4 is a schematic side view of the side plate moving up to the top of the electronic whiteboard according to an embodiment of the present disclosure;
FIG. 5 is a front view of an exemplary embodiment of a mounting assembly on a support base;
FIG. 6 is a schematic side view of a support base plate coupled to a first connector according to an embodiment of the present disclosure;
FIG. 7 is a cross-sectional structural view of the connection of the first drive shaft, the second drive shaft and the first bushing in accordance with an embodiment of the present disclosure;
fig. 8 is a side view of the first drive shaft and first bushing connection according to an embodiment of the present disclosure.
Description of the reference numerals
The device comprises a side plate 1, a support frame 2, an electronic whiteboard 3, a support bottom plate 4, a support side plate 5, a speed reduction motor 6, an arc-shaped notch 7, a rack 8, a first guide rail 9, a driven sprocket 10, a chain 12, a pulley 13, a driving sprocket 14, a first hollow transmission shaft 15, a second connecting seat 16, a connecting disk 17, a second hollow transmission shaft 18, a rotating shaft 19, a position proximity sensor 20, a reset spring 21, a first shaft sleeve 22, a gear 23, a first transmission shaft 24, a first connecting seat 27, a second transmission shaft 28, a second connecting key 29, a key groove 30, a first connecting key 31, an electromagnet 32, an adjusting groove 33, a second guide rail 34, a magnetic whiteboard 35 and a second shaft sleeve 36.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The technical solution of the present application will be explained with reference to specific embodiments.
As shown in fig. 1 to 8, there is provided an electronic whiteboard display device for assisting teaching of english words, comprising: the electronic whiteboard 3, the magnetic whiteboard 35, the side plate 1, the supporting bottom plate 4, the speed reducing motor 6, the rack 8 and the gear 23; the magnetic whiteboard 35 covers the front end face of the electronic whiteboard 3, the side plate 1 is a two-side plate body structure fixedly arranged on the magnetic whiteboard 35, the supporting bottom plate 4 is arranged at the lower position outside the side plate 1, the two sides of the upper end of the supporting bottom plate 4 are also fixedly provided with supporting side plates 5, the lower end of the side plate 1 is connected to the supporting side plates 5, the side plate 1 and the supporting bottom plate 4 can slide up and down along the side face of the electronic whiteboard 3, the speed reducing motor 6 is fixedly arranged on the supporting bottom plate 4, the output shaft of the speed reducing motor 6 is connected with the gear 23, the rack 8 is fixedly arranged on the side face of the electronic whiteboard 3 and arranged along the height direction of the electronic whiteboard 3, the gear 23 is meshed with the rack 8, and under the driving of the speed reducing motor 6, the gear 23 moves up and down along the rack 8, thereby can drive curb plate 1 slides from top to bottom, realizes magnetic whiteboard 35 follows electronic whiteboard 3 front end face up-and-down motion.
Both sides of the lower end of the side plate 1 are fixedly connected with rotating shafts 19, and the outer end parts of the rotating shafts 19 are rotatably connected to the supporting side plates 5 through bearing seats;
the electronic whiteboard display device further comprises a first hollow transmission shaft 15, a second shaft sleeve 36, a second hollow transmission shaft 18, a first transmission shaft 24, a second transmission shaft 28 and a first shaft sleeve 22, the outer end part of the output shaft of the speed reducing motor 6 is fixedly connected with the second transmission shaft 28, the output shaft of the speed reducing motor 6 is further connected with the first hollow transmission shaft 15 through a transmission assembly, one end of the first transmission shaft 24 is fixed at the axial center position of the gear 23, the other end of the first transmission shaft 24 and the outer end of the second transmission shaft 28 are both inserted into the first shaft sleeve 22, one end of the second hollow transmission shaft 18 is fixedly connected with a connecting plate 17, the other end of the second hollow transmission shaft 18 and the first hollow transmission shaft 15 are both inserted into the second shaft sleeve 36, the connecting plate 17 is fixedly connected to the lower end of the side plate 1, and the second hollow transmission shaft 18 and the first hollow transmission shaft 15 are both rotatably mounted on the, the first transmission shaft 24 and the second transmission shaft 28 are rotatably mounted on the supporting base plate 4 through bearing seats, the outer side of the second shaft sleeve 36 is rotatably connected with a second connecting seat 16, the outer side of the first shaft sleeve 22 is rotatably connected with a first connecting iron seat 27, the connecting disc 17, the second hollow transmission shaft 18, the second shaft sleeve 36 and the first hollow transmission shaft 15 are coaxially sleeved on the outer side of the rotating shaft 19, key grooves 30 are formed in the inner walls of the first shaft sleeve 22 and the second shaft sleeve 36, first connecting keys 31 are arranged on the outer walls of the second hollow transmission shaft 18 and the first transmission shaft 24, second connecting keys 29 are arranged on the outer walls of the first hollow transmission shaft 15 and the second transmission shaft 28, and the first connecting keys 31 and the second connecting keys 29 are matched with the key grooves 30;
a first driving piece and a second driving piece are respectively arranged on the supporting side plate 5 and the supporting bottom plate 4, the first driving piece is used for driving the second connecting seat 16 to slide back and forth along the supporting side plate 5, so that the matching and the separation actions of the first connecting key 31 on the second hollow transmission shaft 18 and the key groove 30 in the second shaft sleeve 36 are realized; the second driving member is used for driving the first connecting iron seat 27 to slide back and forth along the supporting base plate 4, so as to realize the matching and the disengagement actions of the first connecting key 31 on the first transmission shaft 24 and the key groove 30 in the first shaft sleeve 22.
Specifically, the transmission assembly comprises a driving sprocket 14, a driven sprocket 10 and a chain 12, the driving sprocket 14 is fixed on an output shaft of the speed reducing motor 6, the driven sprocket 10 is coaxially fixed on the outer side of the first hollow transmission shaft 15, and the driving sprocket 14 and the driven sprocket 10 are connected through the chain 12.
More specifically, support curb plate 5 with all set up adjustment tank 33 on the supporting baseplate 4, first driving piece with the second driving piece is all including setting up reset spring 21 and electro-magnet 32 in the adjustment tank 33, first connection iron seat 27 with the equal sliding connection of second connecting seat 16 is in the adjustment tank 33, first connection iron seat 27 with second connecting seat 16 and corresponding all connect between the electro-magnet 32 reset spring 21, first connection iron seat 27 with second connecting seat 16 is arranged in part in the adjustment tank 33 is strong magnetic material and makes.
And second guide rails 34 are arranged on two side walls of the adjusting groove 33, sliders matched with the second guide rails 34 are fixed on the first connecting iron seat 27 and the second connecting seat 16, and the sliders are connected with the second guide rails 34 in a sliding fit manner.
The electronic whiteboard display device further comprises a position proximity sensor 20 and a PLC controller, wherein the position proximity sensor 20, the speed reducing motor 6 and the electromagnet 32 are electrically connected with the PLC controller; the position proximity sensor 20 is mounted on the second hollow transmission shaft 18 and the first transmission shaft 24, and position marking pieces are arranged on the first shaft sleeve 22 and the second shaft sleeve 36;
when the PLC controller controls the gear motor 6 to drive the gear 23 to move up and down along the rack 8, the electromagnet 32 on the supporting side plate 5 is kept electrified, the electromagnet 32 on the supporting bottom plate 4 is kept powered off, at the moment, the first connecting key 31 on the first transmission shaft 24 is kept matched with the key slot 30 in the first shaft sleeve 22, and the first connecting key 31 on the second hollow transmission shaft 18 is separated from the key slot 30 in the second shaft sleeve 36; when the PLC controller controls the reduction motor 6 to drive the gear 23 to move upward to the top end along the rack 8, the PLC controller controls the reduction motor 6 to continue to drive the second transmission shaft 28 to rotate until the key slot 30 in the second hollow transmission shaft 18 is aligned with the first connection key 31 of the second hollow transmission shaft 18, at this time, the position proximity sensor 20 can just sense the position mark piece, so as to transmit a signal to the PLC controller, the PLC controller controls the reduction motor 6 to stop rotating, and controls the electromagnet 32 switched to the support side plate 5 to be powered off, the electromagnet 32 on the support bottom plate 4 is powered on, at this time, the first connection key 31 on the first transmission shaft 24 is disengaged from the key slot 30 in the first sleeve 22, and the first connection key 31 on the second hollow transmission shaft 18 is disengaged from the key slot in the second sleeve 36 30, and then the PLC controller continues to control the gear motor 6 to drive the second hollow transmission shaft 18 to rotate, so that the connection pad 17 drives the magnetic whiteboard 35 and the side plate 1 to rotate to the rear end face of the electronic whiteboard 3.
The combined electronic whiteboard device has the following use process: initially, the magnetic whiteboard 35 covers the front end face of the electronic whiteboard 3, so that a teacher can use the magnetic whiteboard 35 to write traditional english words in cooperation with a marker, and meanwhile, the magnetic whiteboard 35 can also form an effective protection effect on the electronic whiteboard 3; when the electronic whiteboard and the matched projection equipment are required to be used for displaying electronic documents, the electronic whiteboard device needs to be switched to an electronic whiteboard displaying state, at this time, only the PLC controller needs to be started to control the reducing motor 6 to drive the gear 23 to move upwards along the rack 8, that is, the magnetic whiteboard 35 is slowly moved to the top end of the electronic whiteboard 3, and at the same time, the PLC controller needs to control the electromagnet 32 on the supporting side plate 5 to be kept energized, the electromagnet 32 on the supporting bottom plate 4 is kept de-energized, at this time, the first connecting key 31 on the first transmission shaft 24 is kept in fit with the key slot 30 in the first sleeve 22, and the first connecting key 31 on the second hollow transmission shaft 18 is disengaged from the key slot 30 in the second sleeve 36 (that is, the second hollow transmission shaft 18 is not driven to rotate by the reducing motor 6, therefore, the magnetic white plate 35 only moves upwards and does not rotate, and the first hollow transmission shaft 15 is in an idle state); when the PLC controller controls the reduction motor 6 to drive the gear 23 to move upward to the top end along the rack 8, the PLC controller controls the reduction motor 6 to continue to drive the second transmission shaft 28 to rotate until the key slot 30 in the second hollow transmission shaft 18 is aligned with the first connection key 31 of the second hollow transmission shaft 18, at this time, the position proximity sensor 20 can just sense the position mark piece, so as to transmit a signal to the PLC controller, the PLC controller controls the reduction motor 6 to stop rotating, and controls the electromagnet 32 switched to the support side plate 5 to be powered off, the electromagnet 32 on the support bottom plate 4 is powered on, at this time, the first connection key 31 on the first transmission shaft 24 is disengaged from the key slot 30 in the first sleeve 22, and the first connection key 31 on the second hollow transmission shaft 18 is disengaged from the key slot in the second sleeve 36 30 are kept in fit (that is, the first transmission shaft 24 is not driven to rotate by the reducing motor 6, so that the magnetic whiteboard 35 does not continue to move upwards, and at the moment, the second transmission shaft 28 is in an idle state), and then the PLC controller continues to control the reducing motor 6 to drive the second hollow transmission shaft 18 to rotate, so that the connection disc 17 drives the magnetic whiteboard 35 and the side plate 1 to rotate to the rear end face of the electronic whiteboard 3, thereby completing the switching of the use states of the magnetic whiteboard 35 and the electronic whiteboard 3; and when reverse switching is needed again, the process is set reversely for one time.
Collecting rings are arranged on the outer sides of the second hollow transmission shaft 18 and the first transmission shaft 24, a terminal on the position proximity sensor 20 is electrically connected with the collecting rings, electric brushes are matched on the collecting rings, the electric brushes are connected with the PLC and a power supply through conducting wires, and the matching of the collecting rings and the electric brushes can ensure that the winding problem of a circuit connected on the second hollow transmission shaft 18 and the first transmission shaft 24 cannot occur in the rotating process of the second hollow transmission shaft 18 and the first transmission shaft 24.
In order to facilitate the stable up-and-down movement of the side plate 1 and the support bottom plate 4, pulleys 13 are arranged on the side plate 1 and the support bottom plate 4, a first guide rail 9 is arranged on the side surface of the electronic whiteboard 3, the pulleys 13 can slide up and down along the first guide rail 9, and when the gear 23 moves to the top end of the rack 8 and the side plate 1 needs to be turned over, the pulleys 13 on the side plate 1 are in a state of being separated from the first guide rail 9, so that the normal turning of the side plate is not affected, and in addition, in order to enable the side plate 1 and the magnetic whiteboard 35 to be in a complete turning state, the first guide rail 9 and the rack 8 are arranged at positions opposite to the opening side of a U-shaped structure formed by the side plate 1 and the; and guarantee that rack 8 and gear 23 all are located the inboard of curb plate 1, consequently still need set up arc breach 7 at curb plate 1 below position for gear 23 can be accomodate in arc breach 7 position after curb plate 1 overturns.
In order to facilitate the manner of the whiteboard device, the bottom of the electronic whiteboard 3 is fixedly connected with a support frame 2.
The embodiments given above are preferable examples for implementing the present application, and the present application is not limited to the above-described embodiments. Any non-essential addition or replacement made by a person skilled in the art according to the technical features of the technical solution of the present application falls within the scope of the present application.
Claims (10)
1. The utility model provides an english word is supplementary to be taught with electronic whiteboard display device which characterized in that includes: the electronic whiteboard (3), the magnetic whiteboard (35), the side plates (1), the supporting bottom plate (4), the speed reducing motor (6), the rack (8) and the gear (23); the magnetic whiteboard (35) covers the front end face of the electronic whiteboard (3), the side plates (1) are fixedly arranged on two side plate body structures of the magnetic whiteboard (35), the supporting bottom plate (4) is arranged at the position below the outer side of the side plates (1), supporting side plates (5) are further fixed on two sides of the upper end of the supporting bottom plate (4), the lower end of the side plate (1) is connected onto the supporting side plates (5), the side plates (1) and the supporting bottom plate (4) can slide up and down along the side faces of the electronic whiteboard (3), the speed reducing motor (6) is fixedly arranged on the supporting bottom plate (4), the output shaft of the speed reducing motor (6) is connected with the gear (23), the rack (8) is fixedly arranged on the side face of the electronic whiteboard (3) and is arranged along the height direction of the electronic whiteboard (3), and the gear (23) is meshed with the rack (8), under the drive of gear motor (6), gear (23) are followed rack (8) reciprocate to can drive curb plate (1) slides from top to bottom, realize magnetism blank (35) are followed the up-and-down motion of terminal surface before whiteboard (3).
2. The electronic whiteboard display device for assisting in teaching English words according to claim 1, wherein a rotating shaft (19) is fixedly connected to both sides of the lower end of the side plate (1), and the outer end of the rotating shaft (19) is rotatably connected to the supporting side plate (5) through a bearing seat.
3. The electronic whiteboard display device for assisting in teaching English words according to claim 2, further comprising a first hollow transmission shaft (15), a second bushing (36), a second hollow transmission shaft (18), a first transmission shaft (24), a second transmission shaft (28) and a first bushing (22), wherein the outer end of the output shaft of the speed reducing motor (6) is fixedly connected with the second transmission shaft (28), the output shaft of the speed reducing motor (6) is further connected with the first hollow transmission shaft (15) through a transmission assembly, one end of the first transmission shaft (24) is fixed at the axial position of the gear (23), the other end of the first transmission shaft (24) and the outer end of the second transmission shaft (28) are inserted into the first bushing (22), and one end of the second hollow transmission shaft (18) is fixedly connected with a connecting plate (17), the other end of the second hollow transmission shaft (18) and the first hollow transmission shaft (15) are inserted into the second shaft sleeve (36), the connecting disc (17) is fixedly connected to the lower end of the side plate (1), the second hollow transmission shaft (18) and the first hollow transmission shaft (15) are rotatably installed on the supporting side plate (5) through a bearing seat, the first transmission shaft (24) and the second transmission shaft (28) are rotatably installed on the supporting bottom plate (4) through a bearing seat, the outer side of the second shaft sleeve (36) is rotatably connected with a second connecting seat (16), the outer side of the first shaft sleeve (22) is rotatably connected with a first connecting iron seat (27), and the connecting disc (17), the second hollow transmission shaft (18), the second shaft sleeve (36) and the first hollow transmission shaft (15) are coaxially sleeved outside the rotating shaft (19), key grooves (30) are formed in the inner walls of the first shaft sleeve (22) and the second shaft sleeve (36), first connecting keys (31) are arranged on the outer walls of the second hollow transmission shaft (18) and the first transmission shaft (24), second connecting keys (29) are arranged on the outer walls of the first hollow transmission shaft (15) and the second transmission shaft (28), and the first connecting keys (31) and the second connecting keys (29) are matched with the key grooves (30);
a first driving piece and a second driving piece are respectively arranged on the supporting side plate (5) and the supporting bottom plate (4), the first driving piece is used for driving the second connecting seat (16) to slide back and forth along the supporting side plate (5), and therefore the matching and the separation actions of the first connecting key (31) on the second hollow transmission shaft (18) and the key groove (30) in the second shaft sleeve (36) are achieved; the second driving piece is used for driving the first connecting iron seat (27) to slide back and forth along the supporting bottom plate (4), so that the matching and the separation of the first connecting key (31) on the first transmission shaft (24) and the key slot (30) in the first shaft sleeve (22) are realized.
4. The electronic whiteboard display device for assisting in teaching English words according to claim 3, wherein the supporting side plate (5) and the supporting bottom plate (4) are provided with an adjusting groove (33), the first driving member and the second driving member each comprise a return spring (21) and an electromagnet (32) which are arranged in the adjusting groove (33), the first connecting iron seat (27) and the second connecting seat (16) are slidably connected in the adjusting groove (33), the return spring (21) is connected between the first connecting iron seat (27) and the second connecting seat (16) and the corresponding electromagnet (32), and the portions of the first connecting iron seat (27) and the second connecting seat (16) which are arranged in the adjusting groove (33) are made of strong magnetic materials.
5. The English word auxiliary teaching used electronic whiteboard display device according to claim 4, wherein a second guide rail (34) is arranged on both side walls of the adjusting groove (33), a sliding block matched with the second guide rail (34) is fixed on each of the first connecting iron seat (27) and the second connecting seat (16), and the sliding block is connected with the second guide rail (34) in a sliding fit manner.
6. The electronic whiteboard display device for assisting in teaching English words according to claim 4, further comprising a position proximity sensor (20) and a PLC controller, wherein the position proximity sensor (20), the reduction motor (6) and the electromagnet (32) are electrically connected with the PLC controller; the second hollow transmission shaft (18) and the first transmission shaft (24) are both provided with the position proximity sensor (20), and the first shaft sleeve (22) and the second shaft sleeve (36) are provided with position marking sheets;
when the PLC controller controls the speed reducing motor (6) to drive the gear (23) to move up and down along the rack (8), the electromagnet (32) on the supporting side plate (5) is kept electrified, the electromagnet (32) on the supporting bottom plate (4) is kept powered off, at the moment, the first connecting key (31) on the first transmission shaft (24) is kept matched with the key slot (30) in the first shaft sleeve (22), and the first connecting key (31) on the second hollow transmission shaft (18) is separated from the key slot (30) in the second shaft sleeve (36); when the PLC controller controls the gear motor (6) to drive the gear (23) to move upwards to the top end along the rack (8), the PLC controller controls the gear motor (6) to continuously drive the second transmission shaft (28) to rotate until the key slot (30) in the second hollow transmission shaft (18) is aligned with the first connecting key (31) of the second hollow transmission shaft (18), at the moment, the position proximity sensor (20) can just sense the position mark sheet, so that a signal is transmitted to the PLC controller, the PLC controller controls the gear motor (6) to stop rotating, controls the electromagnet (32) switched to the supporting side plate (5) to be powered off, the electromagnet (32) on the supporting bottom plate (4) is powered on, and at the moment, the first connecting key (31) on the first transmission shaft (24) and the key slot (30) in the first shaft sleeve (22) are powered on ) And (3) separating, keeping the first connecting key (31) on the second hollow transmission shaft (18) matched with the key groove (30) in the second shaft sleeve (36), and then continuously controlling the speed reducing motor (6) to drive the second hollow transmission shaft (18) to rotate by the PLC controller, so that the connecting disc (17) drives the magnetic white board (35) and the side board (1) to rotate to the rear end face of the electronic white board (3).
7. The electronic whiteboard display device for assisting in teaching English words according to claim 6, wherein slip rings are installed on the outer sides of the second hollow transmission shaft (18) and the first transmission shaft (24), the terminals of the position proximity sensor (20) are electrically connected with the slip rings, and the slip rings are matched with electric brushes which are connected with the PLC and the power supply through wires.
8. The electronic whiteboard display device for assisting in teaching English words according to claim 1, wherein pulleys (13) are arranged on the side plate (1) and the supporting bottom plate (4), a first guide rail (9) is arranged on the side surface of the electronic whiteboard (3), and the pulleys (13) can slide up and down along the first guide rail (9).
9. The electronic whiteboard display device for assisting in teaching English words according to claim 3, wherein the transmission assembly comprises a driving sprocket (14), a driven sprocket (10) and a chain (12), the driving sprocket (14) is fixed on the output shaft of the speed reducing motor (6), the driven sprocket (10) is coaxially fixed outside the first hollow transmission shaft (15), and the driving sprocket (14) and the driven sprocket (10) are connected through the chain (12).
10. The electronic whiteboard display device for assisting in teaching English words according to claim 1, wherein a support frame (2) is fixedly connected to the bottom of the electronic whiteboard (3).
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| CN202110141957.8A CN112951005B (en) | 2021-02-02 | 2021-02-02 | English word assists teaching with electronic whiteboard display device |
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| CN202110141957.8A CN112951005B (en) | 2021-02-02 | 2021-02-02 | English word assists teaching with electronic whiteboard display device |
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| CN112951005B (en) | 2022-08-09 |
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