CN114103530A - Intelligent blackboard with interchangeable main screen and auxiliary screen - Google Patents
Intelligent blackboard with interchangeable main screen and auxiliary screen Download PDFInfo
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- CN114103530A CN114103530A CN202111575202.5A CN202111575202A CN114103530A CN 114103530 A CN114103530 A CN 114103530A CN 202111575202 A CN202111575202 A CN 202111575202A CN 114103530 A CN114103530 A CN 114103530A
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- 241001347978 Major minor Species 0.000 claims abstract description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000006641 stabilisation Effects 0.000 claims description 4
- 238000011105 stabilization Methods 0.000 claims description 4
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 230000009286 beneficial effect Effects 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/04—Easels or stands for blackboards or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/004—Repeatedly-usable boards or tablets for writing or drawing with illuminating devices
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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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- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention relates to the technical field of teaching aids and discloses an intelligent blackboard with interchangeable main screens and auxiliary screens, which comprises a cross bottom plate positioned above the ground, wherein universal wheels are fixedly installed on the lower surface of the cross bottom plate, a stable upright post is fixedly installed on the upper surface of the cross bottom plate, an adjusting and fixing device is arranged at the top of the stable upright post, a writing panel is fixedly installed on the inner side of the adjusting and fixing device, and a display screen is fixedly installed on the left side of the back of the writing panel. This wisdom blackboard that major-minor screen position can exchange promotes support and catch bar through electric putter drive and drives friction arc frame and annular pipe friction and carry out fixed operation, has the spacing effect of better friction to writing the panel, and messenger writing the panel that can be better fixes at arbitrary angle, and the better show operation of studying of being convenient for helps the better show operation of imparting knowledge to students, and the better use of being convenient for.
Description
Technical Field
The invention relates to the technical field of teaching aids, in particular to an intelligent blackboard with interchangeable main and auxiliary screens.
Background
The wisdom blackboard is dull and stereotyped and the clipboard including the fashioned electron of concatenation usually, and the electron is dull and stereotyped can the touch-control operation to modes such as picture, video present teaching content, and the clipboard can supply teacher's clipboard book, presents teaching content with the mode of blackboard book, and the electron is dull and stereotyped and the clipboard combines, can realize traditional teaching and electronic teaching and combine, promotes the teaching effect, helps the quick teaching operation that imparts knowledge to students of higher efficiency, has more diversified teaching mode.
For example, the chinese patent application No. 201821437453.0 discloses an intelligent blackboard, which is basically described as follows: the intelligent blackboard is displayed through the blackboard body, so that students can conveniently observe the intelligent blackboard, the intelligent blackboard is beneficial to better study of the students, the study enthusiasm of the students is effectively improved, the intelligent blackboard is beneficial to better use, and the convenience in the use process is further improved; present wisdom blackboard generally uses the blackboard of single face to write the show when using, is difficult to better demonstrate the operation to students, is unfavorable for better carrying out wisdom teaching to the student, has reduced student's learning efficiency, is unfavorable for better using.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the intelligent blackboard with the interchangeable main screen and auxiliary screen, which solves the problems in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an intelligent blackboard that main and auxiliary screen position can exchange, includes the cross bottom plate that is located the ground top, the lower fixed surface of cross bottom plate installs the universal wheel, the last fixed surface of cross bottom plate installs stable stand, the top of stabilizing the stand is equipped with adjusts fixing device, the inboard fixed mounting who adjusts fixing device has writing panel, the left side fixed mounting at the writing panel back has the display screen, the right side fixed mounting at the writing panel back has writing blackboard, the top fixed mounting at the writing blackboard back has the diaphragm of placing, the equal fixed mounting in bottom at the positive and back of stable stand has the installing support, the outside of installing support is equipped with rotatable support down tube, the bottom of supporting down tube is equipped with rotatable support base, the middle part fixed mounting of stable stand right flank has the controller, the positive top fixed mounting of stable stand has the barn door, the lower fixed surface of barn door installs the light, the last fixed surface who stabilizes the stand installs the light sensor.
Preferably, adjust fixing device and include the ring tube of fixed mounting at stable stand medial surface top, the top of stabilizing the stand is equipped with rotatable axis of rotation, the outer end fixed mounting of axis of rotation has the rotation toothed disc, the top of stabilizing the stand is equipped with driving motor, driving motor's output fixed mounting has rotating gear, rotation toothed disc and rotating gear meshing, the equal fixed mounting of the left and right sides face of writing panel has the post of stabilizing of pegging graft in the ring tube, the equal fixed mounting of the left and right sides face of writing panel has electric putter, electric putter's output fixed mounting has the promotion support, the inboard that promotes the support is equipped with rotatable catch bar, the outside of catch bar is equipped with rotatable friction arc frame.
Preferably, a plurality of groups of friction strips are fixedly mounted on the outer side surface of the friction arc-shaped frame, and the number of the friction strips is twelve.
Preferably, the inner side surface of the annular pipe is provided with an annular groove, and the size of the annular groove is matched with that of the stabilizing column.
Preferably, the number of the supporting inclined rods is four, and the length of each of the four groups of supporting inclined rods is six hundred and fifty millimeters.
Preferably, the left side face and the right side face of the writing panel are both provided with T-shaped sliding grooves, the inner side face of the pushing support is fixedly provided with a T-shaped sliding block, and the T-shaped sliding grooves are in sliding connection with the T-shaped sliding blocks.
Preferably, the cross bottom plate and the stabilizing stand column are both made of cast iron, and the outer surfaces of the cross bottom plate and the stabilizing stand column are uniformly coated with antirust coatings.
Preferably, the lower surface of the supporting base is provided with an anti-skid layer, and anti-skid convex grains are uniformly arranged on the outer surface of the anti-skid layer.
Preferably, the number of the push rods is four, and the lengths of the four groups of push rods are one hundred twenty millimeters.
In addition, the invention also aims to provide a using method of the intelligent blackboard with interchangeable main and auxiliary screen positions, which comprises the following steps:
1) the installation is stable: remove the assigned position with the device, use and support the down tube and support the base cooperation and support the stability to stabilizing the stand, can accomplish the fixed to writing the panel, the demonstration operation of imparting knowledge to students of lessons afterwards.
2) Rotation adjustment: when the teaching is carried out with writing to the show that needs go on simultaneously, operation controller gives driving motor with the signal of telecommunication transmission, starts driving motor, and driving motor's output drives the running gear and rotates, and running gear drives and rotates the toothed disc and rotate, rotates the toothed disc and drives the axis of rotation and rotate, and the axis of rotation drives to write and stops behind the panel rotation one hundred eighty degrees, accomplishes the regulation to writing the panel.
3) Limiting and fixing: meanwhile, the operation controller transmits the electric signal to the electric push rod, the electric push rod is started, the output end of the electric push rod drives the pushing support to move, the pushing support drives the pushing rod to move, and the pushing rod drives the friction arc-shaped frame to rub with the annular pipe to perform fixing operation.
4) Light supplement: when meetting the not enough condition of indoor light, on the light sensor transmits the controller with the signal of telecommunication, the controller starts the operation of throwing light on with the signal of telecommunication transmission light, can use the display screen afterwards and write the blackboard and demonstrate simultaneously and write the teaching.
(III) advantageous effects
Compared with the prior art, the invention provides the intelligent blackboard with the interchangeable main screen and auxiliary screen positions, which has the following beneficial effects:
1. this wisdom blackboard that major-minor screen position can exchange promotes support and catch bar through electric putter drive and drives friction arc frame and annular pipe friction and carry out fixed operation, has the spacing effect of better friction to writing the panel, and messenger writing the panel that can be better fixes at arbitrary angle, and the better show operation of studying of being convenient for helps the better show operation of imparting knowledge to students, and the better use of being convenient for.
2. This wisdom blackboard that major-minor screen position can exchange drives the axis of rotation and writes the panel rotation and carry out the angle modulation operation through driving motor drive rotating gear and rotation gear dish meshing, is convenient for better carry out the angle modulation according to the in service behavior, has more extensive control range, can be better demonstrate the operation, the better use of using of the people of being convenient for.
3. This wisdom blackboard that major-minor screen position can exchange supports the steady operation through installing support, support down tube and support base cooperation to stabilizing the stand, has better support fixed effect to stabilizing the stand, and the operation of imparting knowledge to students of being convenient for safety and stability more helps better using, has effectively improved the convenience of using.
Drawings
FIG. 1 and FIG. 2 are schematic structural views of the present invention;
FIG. 3 is an exploded view of the adjusting fixture according to the present invention;
FIG. 4 is a schematic diagram of the present invention.
In the figure: 1. a cross bottom plate; 2. a universal wheel; 3. stabilizing the upright post; 4. adjusting the fixing device; 401. an annular tube; 402. a rotating shaft; 403. rotating the gear plate; 404. a drive motor; 405. a rotating gear; 406. a stabilization post; 407. an electric push rod; 408. pushing the bracket; 409. a push rod; 410. a friction arc frame; 5. a writing panel; 6. a display screen; 7. a writing blackboard; 8. placing a transverse plate; 9. mounting a bracket; 10. supporting the diagonal rods; 11. a support base; 12. a controller; 13. a light barrier; 14. an illuminating lamp; 15. (ii) a A light sensor.
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. 1-4, the present invention provides a technical solution: a smart blackboard with interchangeable main and auxiliary screens comprises a cross bottom plate 1 positioned above the ground, universal wheels 2 are fixedly arranged on the lower surface of the cross bottom plate 1, a stable upright post 3 is fixedly arranged on the upper surface of the cross bottom plate 1, an adjusting and fixing device 4 is arranged at the top of the stable upright post 3, a writing panel 5 is fixedly arranged on the inner side of the adjusting and fixing device 4, a display screen 6 is fixedly arranged on the left side of the back surface of the writing panel 5, the model of the display screen 6 is CS3221, a writing blackboard 7 is fixedly arranged on the right side of the back surface of the writing panel 5, a placing transverse plate 8 is fixedly arranged at the top of the back surface of the writing blackboard 7, mounting brackets 9 are fixedly arranged at the front and the bottom of the back surface of the stable upright post 3, rotatable supporting inclined rods 10 are arranged on the outer sides of the mounting brackets 9, rotatable supporting bases 11 are arranged at the bottoms of the supporting inclined rods 10, and the supporting bases 11 are matched to support and stabilize the stable upright post 3, have better support fixed effect to stabilizing stand 3, the operation of imparting knowledge to students of being convenient for more safety and stability helps better use, has effectively improved the convenience of using, the middle part fixed mounting who stabilizes the stand 3 right flank has controller 12, and the specific model of controller 12 is 4860-9X, stabilize the positive top fixed mounting of stand 3 and have barn door 13, the lower fixed surface of barn door 13 installs light 14, the HNDG-200212 of the model of light 14, the last fixed surface who stabilizes stand 3 installs light sensor 15, and light sensor 15's model is XH-M131.
In the invention, in order to facilitate the adjustment operation, the adjusting and fixing device 4 comprises an annular tube 401 fixedly arranged on the top of the inner side surface of the stabilizing upright post 3, the top of the stabilizing upright post 3 is provided with a rotatable rotating shaft 402, a rotating gear 405 is driven by a driving motor 404 to be meshed with a rotating gear disc 403 to drive the rotating shaft 402 and the writing panel 5 to rotate for angle adjustment operation, so that the angle adjustment can be better performed according to the use condition, the angle adjustment device has a wider adjustment range, can perform display operation better and is convenient for people to use better, the outer end of the rotating shaft 402 is fixedly provided with the rotating gear disc 403, the top of the stabilizing upright post 3 is provided with the driving motor 404, the specific model of the driving motor 404 is 5IK120GN-C, the output end of the driving motor 404 is fixedly provided with the rotating gear 405, the rotating gear disc 403 is meshed with the rotating gear 405, stabilizing columns 406 inserted in the annular tube 401 are fixedly arranged on the left side surface and the right side surface of the writing panel 5, the equal fixed mounting of left and right sides face of writing panel 5 has electric putter 407, electric putter 407's specific model is LAP22, electric putter 407's output fixed mounting has promotion support 408, the inboard that promotes support 408 is equipped with rotatable catch bar 409, the outside of catch bar 409 is equipped with rotatable friction arc frame 410, it drives friction arc frame 410 and the friction of ring pipe 401 and carries out fixed operation to promote support 408 and catch bar 409 through electric putter 407 drive, writing panel 5 has the spacing effect of better friction, messenger writing panel 5 that can be better fixes at arbitrary angle, be convenient for better study show operation, help better the show operation of imparting knowledge to students, be convenient for better use.
In order to improve the friction effect, a plurality of groups of friction strips are fixedly arranged on the outer side surface of the friction arc-shaped frame 410, the number of the friction strips is twelve, and the plurality of groups of friction strips on the outer side surface of the friction arc-shaped frame 410 are matched with each other to improve the friction effect.
In order to improve the stability of rotation, the inner side surface of the annular tube 401 is provided with an annular groove, the size of the annular groove is matched with that of the stabilizing post 406, and the annular groove on the inner side surface of the annular tube 401 is matched with the stabilizing post 406, so that the stability of rotation is improved.
In order to improve the stability of the support, four groups of the support diagonal rods 10 are arranged, the length of each group of the support diagonal rods 10 is six hundred and fifty millimeters, and the four groups of the support diagonal rods 10 are matched with each other to improve the stability of the support.
In order to improve the moving stability, the left side surface and the right side surface of the writing panel 5 are respectively provided with a T-shaped sliding groove, the inner side surface of the pushing support 408 is fixedly provided with a T-shaped sliding block, the T-shaped sliding grooves are in sliding connection with the T-shaped sliding blocks, and the T-shaped sliding grooves on the left side surface and the right side surface of the writing panel 5 are matched with the T-shaped sliding blocks on the inner side surface of the pushing support 408, so that the moving stability is improved.
In order to prolong the service life of the cross bottom plate, the cross bottom plate 1 and the stabilizing upright posts 3 are made of cast iron, the outer surfaces of the cross bottom plate 1 and the stabilizing upright posts 3 are uniformly coated with antirust coatings, the antirust coatings on the outer surfaces of the cross bottom plate 1 and the stabilizing upright posts 3 are prevented from being corroded, and the service life of the cross bottom plate is prolonged.
In order to improve the anti-skid effect, the lower surface of the supporting base 11 is provided with the anti-skid layer, the outer surface of the anti-skid layer is uniformly provided with the anti-skid convex particles, and the anti-skid convex particles on the lower surface of the supporting base 11 increase the friction force and improve the anti-skid effect.
In order to improve the pushing stability, the pushing rods 409 are arranged in four groups, the lengths of the four groups of pushing rods 409 are one hundred twenty millimeters, and the four groups of pushing rods 409 are matched with each other to improve the pushing stability.
In order to improve the use stability, the number of the stabilizing upright columns 3 is two, the heights of the two groups of stabilizing upright columns 3 are one thousand eight hundred millimeters, and the two groups of stabilizing upright columns 3 are matched with each other, so that the use stability is improved.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
The operation method of the intelligent blackboard with interchangeable main and auxiliary screen positions comprises the following steps:
1) the installation is stable: move the device to the assigned position, use and support down tube 10 and support the base 11 cooperation and support the stability to stabilizing upright 3, can accomplish the fixed to writing panel 5, the teaching show operation is carried out to the lesson afterwards.
2) Rotation adjustment: when the demonstration and the writing teaching are required to be carried out simultaneously, the operation controller 12 transmits the electric signal to the driving motor 404, the driving motor 404 is started, the output end of the driving motor 404 drives the rotating gear 405 to rotate, the rotating gear 405 drives the rotating gear disc 403 to rotate, the rotating gear disc 403 drives the rotating shaft 402 to rotate, the rotating shaft 402 drives the writing panel 5 to rotate by one hundred eighty degrees and then stops, and the adjustment of the writing panel 5 is completed.
3) Limiting and fixing: meanwhile, the operation controller 12 transmits an electric signal to the electric push rod 407, the electric push rod 407 is started, the output end of the electric push rod 407 drives the push bracket 408 to move, the push bracket 408 drives the push rod 409 to move, and the push rod 409 drives the friction arc frame 410 to rub against the annular tube 401 to perform fixing operation.
4) Light supplement: when meetting the not enough condition of indoor light, light sensor 15 with the signal of telecommunication on controller 12, controller 12 with the signal of telecommunication on 14 starts the operation of throwing light on, can use display screen 6 and write blackboard 7 show simultaneously and write the teaching afterwards.
To sum up, this wisdom blackboard that major-minor screen position can be exchanged, it drives through electric putter 407 and promotes support 408 and catch bar 409 and drive friction arc frame 410 and the friction of annular pipe 401 and carry out fixed operation, have the spacing effect of better friction to writing panel 5, messenger writing panel 5 that can be better fixes at arbitrary angle, the better show operation of studying of being convenient for helps the better show operation of imparting knowledge to students, the better use of being convenient for.
This wisdom blackboard that major-minor screen position can be exchanged drives axis of rotation 402 and writing panel 5 through driving motor 404 drive bull gear 405 and the meshing of bull gear dish 403 and rotates and carry out the angle modulation operation, is convenient for better carry out the angle modulation according to the in service behavior, has more extensive control range, can be better demonstrate the operation, the better use that uses of people of being convenient for.
This wisdom blackboard that major-minor screen position can exchange supports stable operation to stabilizing stand 3 through installing support 9, support down tube 10 and support 11 cooperation of base, has better fixed effect of support to stabilizing stand 3, is convenient for the operation of imparting knowledge to students of safety and stability more, helps better use, has effectively improved the convenience of using.
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 (10)
1. The utility model provides an intelligence blackboard that major-minor screen position can exchange, is including cross bottom plate (1) that is located the ground top, the lower fixed surface of cross bottom plate (1) installs universal wheel (2), its characterized in that: the upper surface fixed mounting of cross bottom plate (1) has stabilization column (3), the top of stabilization column (3) is equipped with adjusts fixing device (4), the inboard fixed mounting who adjusts fixing device (4) has writing panel (5), the left side fixed mounting at the writing panel (5) back has display screen (6), the right side fixed mounting at the writing panel (5) back has writing blackboard (7), the top fixed mounting who writes the blackboard (7) back has placing diaphragm (8), the equal fixed mounting in bottom at the front and the back of stabilization column (3) has installing support (9), the outside of installing support (9) is equipped with rotatable support down tube (10), the bottom of supporting down tube (10) is equipped with rotatable support base (11), the middle part fixed mounting who stabilizes column (3) right flank has controller (12), the light barrier is characterized in that a light barrier (13) is fixedly mounted at the front top of the stabilizing stand column (3), an illuminating lamp (14) is fixedly mounted on the lower surface of the light barrier (13), and a light sensor (15) is fixedly mounted on the upper surface of the stabilizing stand column (3).
2. The intelligent blackboard with interchangeable main and auxiliary screens in position according to claim 1, wherein: the adjusting and fixing device (4) comprises an annular tube (401) fixedly installed at the top of the inner side face of the stabilizing upright post (3), the top of the stabilizing upright post (3) is provided with a rotatable rotating shaft (402), the outer end of the rotating shaft (402) is fixedly provided with a rotating gear disc (403), the top of the stabilizing upright post (3) is provided with a driving motor (404), the output end of the driving motor (404) is fixedly provided with a rotating gear (405), the rotating gear disc (403) is meshed with the rotating gear (405), the left side face and the right side face of the writing panel (5) are both fixedly provided with stabilizing columns (406) inserted in the annular tube (401), the left side face and the right side face of the writing panel (5) are both fixedly provided with electric push rods (407), the output end of each electric push rod (407) is fixedly provided with a pushing support (408), and the inner side of each pushing support (408) is provided with a rotatable push rod (409), the outer side of the push rod (409) is provided with a rotatable friction arc frame (410).
3. The intelligent blackboard with interchangeable main and auxiliary screens in position according to claim 2, wherein: the outer side surface of the friction arc-shaped frame (410) is fixedly provided with a plurality of groups of friction strips, and the number of the friction strips is twelve.
4. The intelligent blackboard with interchangeable main and auxiliary screens in position according to claim 2, wherein: the inner side surface of the annular pipe (401) is provided with an annular groove, and the size of the annular groove is matched with that of the stabilizing column (406).
5. The intelligent blackboard with interchangeable main and auxiliary screens in position according to claim 1, wherein: the number of the supporting diagonal rods (10) is four, and the length of each supporting diagonal rod (10) in the four groups is six hundred and fifty millimeters.
6. The intelligent blackboard with interchangeable main and auxiliary screens in position according to claim 2, wherein: the left side face and the right side face of the writing panel (5) are both provided with T-shaped sliding grooves, T-shaped sliding blocks are fixedly mounted on the inner side faces of the pushing supports (408), and the T-shaped sliding grooves are connected with the T-shaped sliding blocks in a sliding mode.
7. The intelligent blackboard with interchangeable main and auxiliary screens in position according to claim 1, wherein: the cross bottom plate (1) and the stable upright post (3) are both made of cast iron, and the outer surfaces of the cross bottom plate (1) and the stable upright post (3) are uniformly coated with antirust coatings.
8. The intelligent blackboard with interchangeable main and auxiliary screens in position according to claim 1, wherein: the lower surface of the supporting base (11) is provided with an anti-skid layer, and anti-skid convex grains are uniformly arranged on the outer surface of the anti-skid layer.
9. The intelligent blackboard with interchangeable main and auxiliary screens in position according to claim 2, wherein: the number of the push rods (409) is four, and the length of each of the four groups of push rods (409) is one hundred twenty millimeters.
10. The use method of the intelligent blackboard with interchangeable main and auxiliary screens according to claim 1, wherein: the method comprises the following steps:
1) the installation is stable: the device is moved to a designated position, the support inclined rod and the support base are matched to support and stabilize the stable upright column, the writing panel can be fixed, and then teaching display operation is carried out in class saving;
2) rotation adjustment: when the display and the writing teaching are required to be carried out simultaneously, the operation controller transmits an electric signal to the driving motor, the driving motor is started, the output end of the driving motor drives the rotating gear to rotate, the rotating gear drives the rotating gear disc to rotate, the rotating gear disc drives the rotating shaft to rotate, the rotating shaft drives the writing panel to rotate by one hundred eighty degrees and then stops, and the adjustment of the writing panel is completed;
3) limiting and fixing: meanwhile, the operation controller transmits an electric signal to the electric push rod, the electric push rod is started, the output end of the electric push rod drives the pushing support to move, the pushing support drives the pushing rod to move, and the pushing rod drives the friction arc-shaped frame to rub with the annular pipe to perform fixing operation;
4) light supplement: when meetting the not enough condition of indoor light, on the light sensor transmits the controller with the signal of telecommunication, the controller starts the operation of throwing light on with the signal of telecommunication transmission light, can use the display screen afterwards and write the blackboard and demonstrate simultaneously and write the teaching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111575202.5A CN114103530A (en) | 2021-12-21 | 2021-12-21 | Intelligent blackboard with interchangeable main screen and auxiliary screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111575202.5A CN114103530A (en) | 2021-12-21 | 2021-12-21 | Intelligent blackboard with interchangeable main screen and auxiliary screen |
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| CN114103530A true CN114103530A (en) | 2022-03-01 |
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Application publication date: 20220301 |