CN111497497B - Interconnected blackboard with playback function and system thereof - Google Patents
Interconnected blackboard with playback function and system thereof Download PDFInfo
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- CN111497497B CN111497497B CN202010325234.9A CN202010325234A CN111497497B CN 111497497 B CN111497497 B CN 111497497B CN 202010325234 A CN202010325234 A CN 202010325234A CN 111497497 B CN111497497 B CN 111497497B
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- push rod
- limiting
- gear
- display area
- plate
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04886—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
Abstract
The invention belongs to the technical field of electronic teaching and discloses an interconnected blackboard with a playback function and a system thereof, wherein the interconnected blackboard comprises an installation shell, a touch screen and a mobile adjusting device, wherein the touch screen and the mobile adjusting device are arranged on one side of the installation shell; the touch screen is embedded in the installation shell and comprises a display area and a writing recording area; the outer wall of one side of the shell is provided with sliding grooves on two sides of the touch screen, the movement adjusting device comprises a movable push rod, and two ends of the movable push rod are respectively positioned in the two sliding grooves and slide along the sliding grooves; the display area and the writing recording area are respectively positioned at two sides of the push rod, and the areas of the display area and the writing recording area change along with the push rod when the push rod moves; to sum up, set up adjustable display area and write and record the district on the interconnected blackboard, can realize the playback of interconnected blackboard simultaneously and use and write the use from this to can correspond the size in region according to the adjustment of actual use demand.
Description
Technical Field
The invention belongs to the technical field of electronic teaching, and particularly relates to an interconnected blackboard with a playback function and a system thereof.
Background
With the development of modern society, electronic teaching gradually replaces traditional teaching; electronic teaching commonly used at present is mostly terminal computer and projection arrangement's cooperation, but this kind of electronic teaching's mode can only carry out the teaching of fixed courseware, and interactive teaching effect is relatively poor.
Based on the above problems, the prior art provides a blackboard capable of recording a teaching blackboard writing, on which not only can the writing type interactive teaching be performed, but also the display and play of the appointed courseware or the blackboard writing can be performed, so that the teaching effect of the electronic teaching is improved;
however, in the prior art, the blackboard cannot realize the complete recording of the blackboard-writing, and only can record a touchable part of the blackboard-writing, so that the completeness of the playback of the blackboard-writing is influenced; in addition, in the above-mentioned blackboard, the areas of the recordable area and the display area are fixed, and the usable area cannot be adjusted according to actual needs, which has a large use limitation.
Disclosure of Invention
In view of this, the present invention aims to provide an interconnected blackboard with a playback function and a system thereof, which particularly enable the area of a display part and a recording part to be adjusted during the use of the interconnected blackboard, so as to effectively solve the problems in the background art, achieve flexible use of the interconnected blackboard, and improve the teaching effect.
In order to achieve the purpose, the invention provides the following technical scheme:
1. an interconnection system with a playback function comprises an interconnection blackboard and a control terminal, wherein the interconnection blackboard is in wireless connection or wired connection; the control terminal comprises a storage module and a selection module; the interconnected blackboard includes:
the writing module comprises a display area and a writing recording area, the display area is used for playing back any information stored in the display storage module, the any information is selected based on the selection module, and the writing recording area is used for manually writing teaching contents;
the recording module is used for recording the content written in the writing recording area and feeding back the recorded content to the storage module of the control terminal for storage;
the adjusting module is used for adjusting the positions and the areas of the display area and the writing recording area in the writing module;
and the self-adaptive module is used for realizing self-adaptive display of the display area.
2. An interconnected blackboard with a playback function is applied to the interconnected system, and comprises an installation shell, a touch screen and a mobile adjusting device, wherein the touch screen and the mobile adjusting device are arranged on one side of the installation shell;
the touch screen is embedded in the installation shell and comprises a display area and a writing recording area;
the touch screen is arranged on the outer wall of one side of the mounting shell, sliding grooves are formed in the two sides of the touch screen, the movement adjusting device comprises a movable push rod, and the two ends of the movable push rod are respectively located in the two sliding grooves and slide along the sliding grooves; the display area and the writing recording area are respectively positioned on two sides of the push rod, and the areas of the display area and the writing recording area change along with the movement of the push rod.
Preferably, the mobile adjusting device further comprises a self-adaptive adjusting structure arranged in the sliding chute, and the self-adaptive adjusting structure comprises a signal receiving plate and a signal transmitting plate which are respectively arranged on the inner walls of the two sides of the sliding chute; the self-adaptive adjusting structure also comprises a shielding structure moving along with the push rod, and the shielding structure is used for blocking signal transmission between the signal receiving plate and the signal transmitting plate; the signal receiving board does not receive the signal part sent by the signal transmitting board and corresponds to a display area; the signal receiving board receives the signal part sent by the signal transmitting board and corresponds to the writing recording area.
Preferably, the shielding structure comprises two rotating rollers which are symmetrically arranged, an annular shielding belt is sleeved on the two rotating rollers, the signal receiving emission plate is positioned in the annular shielding belt, and a through hole is formed in the shielding belt; the via hole is used for conducting signal transmission between the signal receiving board and the signal transmitting board.
Preferably, a connecting plate is fixed on the surface wall of the shielding belt, the connecting plate is positioned at one end of the via hole, and the connecting plate is connected with the end part of the push rod.
Preferably, mounting grooves are formed in two ends of the sliding groove, a resettable limiting rod is rotatably mounted in the mounting grooves through a rotating shaft, and a limiting part is arranged at one end of the limiting rod; the end part of the push rod is provided with a limiting groove, and when the push rod corresponds to the mounting groove, the limiting rod rotates, and the limiting part is clamped with the limiting groove; when the push rod and the mounting groove are staggered, the limiting rod rotates, and the limiting part is separated from the limiting groove.
Preferably, one end of the limiting rod, which is far away from the limiting part, is provided with a balancing weight, and the weight of the balancing weight is larger than the limiting part, so that the automatic resetting of the limiting rod is realized.
Preferably, a rack is welded on one side of the sliding chute, which is located on the signal receiving plate, a first gear is installed in the end portion of the push rod, and the first gear is meshed with the rack.
Preferably, the push rod is further provided with a second gear coaxially mounted with the gear and a movable toothed plate matched with the second gear, the movable toothed plate can move up and down, and when the movable toothed plate moves up, the movable toothed plate is meshed with the second gear to position the second gear; when the movable toothed plate moves downwards, the movable toothed plate is separated from the second gear.
Preferably, the structure that the drive moving toothed plate reciprocated is pneumatic structure, and pneumatic structure includes air cavity one and air cavity two, moving toothed plate's bottom is equipped with the piston to be located air cavity one, be connected with the guide hole between air cavity two and the air cavity one, and install spring and piston clamp plate in the air cavity two, the spring welds between piston clamp plate and air cavity two inner walls.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the invention, the adjustable display area and the writing recording area are arranged on the interconnected blackboard, so that the playback use and the writing use of the interconnected blackboard can be realized simultaneously, the size of the corresponding area can be adjusted according to the actual use requirement, the practicability is high, the applicability is strong, and the flexibility in the classroom teaching process is effectively improved.
(2) Aiming at the interconnection blackboard, the adjustment of the display area and the writing recording area is realized based on the movable push rod, the adjustment mode is simple, and the operation is easy.
(3) The push rod limiting structure is simple in limiting structure and stable in limiting effect.
(4) Aiming at the movable push rod, a positioning structure is further arranged in the sliding groove to limit the positioning position of the push rod in the moving process, and the deviation of the position of the push rod caused by collision is avoided.
Drawings
Fig. 1 is a block diagram of an interconnect system with playback function according to the present invention;
FIG. 2 is a schematic structural diagram of an interconnected blackboard with a playback function according to the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a schematic view of the fit between the mounting housing and the push rod in the interconnected blackboard;
FIG. 5 is a schematic structural diagram of a shielding structure in an interconnected blackboard;
FIG. 6 is a schematic diagram of the combination of the shielding structure, the signal receiving board and the signal transmitting board in the interconnected blackboard;
FIG. 7 is a schematic view of the engagement between the limit structure and the push rod in the interconnected blackboard;
in the figure: 10-interconnected blackboard, 20-control terminal, 1-installation shell, 11-sliding chute, 12-signal receiving board, 13-rack, 14-signal transmitting board, 15-shielding structure, 151-shielding belt, 152-rotating roller, 153-connecting board, 154-conducting hole, 16-installation groove, 161-limiting rod, 162-limiting part, 163-balancing weight, 2-touch screen, 21-display area, 22-writing recording area, 3-pushing rod, 31-air cavity II, 32-spring, 33-piston pressing board, 34-air cavity I, 35-movable toothed plate, 36-gear II, 37-gear I and 38-limiting groove.
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.
The present invention provides an embodiment, and in this embodiment, an interconnection system with a playback function is provided, and a specific structure of the interconnection system is shown in fig. 1, including an interconnection blackboard 10 and a control terminal 20, which are wirelessly connected or wired connected; wherein:
the control terminal 20 comprises a storage module and a selection module;
specifically, the storage module is used for storing teaching information recorded in the interconnected blackboard 10, and mainly takes written teaching blackboard writing as a main part; the selection module is used for selecting any teaching information from the information stored in the storage module, displaying the selected teaching information in the interconnected blackboard 10 and playing back the teaching information; the overall control terminal 20 may preferably be a stationary terminal computer, or may preferably be an electronic device such as a mobile smartphone.
The interconnected blackboard 10 comprises
The writing module comprises a display area and a writing recording area, the display area is used for playing back any information stored in the display storage module, the any information is selected based on the selection module, and the writing recording area is used for manually writing teaching contents;
the recording module is used for recording the content written in the writing recording area and feeding back the recorded content to the storage module of the control terminal for storage;
the adjusting module is used for adjusting the positions and the areas of the display area and the writing recording area in the writing module;
and the self-adaptive module is used for realizing self-adaptive display of the display area.
Particularly, the self-adaptive module has the main function that after the area of the display area is changed, the display proportion in the display area can be automatically adjusted, so that the teaching information can be displayed in a full screen mode in the display area, and the watching requirements of students are met.
The present invention provides another embodiment, and in this embodiment, an interconnected blackboard 10 with a playback function is provided, that is, an interconnected blackboard 10 applied to the above-mentioned interconnected system is provided, and a specific structure of the interconnected blackboard 10 is shown in fig. 2-7, and mainly includes an installation housing 1, and a touch screen 2 and a movement adjusting device which are arranged on one side of the installation housing 1;
the touch screen 2 is embedded in the installation shell 1, and the touch screen 2 comprises a display area 21 and a writing recording area 22;
the outer wall of one side of the mounting shell 1, which is positioned at two sides of the touch screen 2, is provided with sliding grooves 11, the movable adjusting device comprises a movable push rod 3, and two ends of the movable push rod 3 are respectively positioned in the two sliding grooves 11 and slide along the sliding grooves 11; the display area 21 and the writing recording area 22 are respectively located on two sides of the push rod 3, and the areas of the display area 21 and the writing recording area 22 are changed when the push rod 3 moves.
As can be seen from the above, when the areas of the display area 21 and the writing recording area 22 are adjusted, the push rod 3 is moved left and right, and as can be seen from fig. 1, when the push rod 3 is moved right, the area of the display area 21 is increased, and the area of the writing recording area 22 is decreased. Specifically, as for the writing mode of the writing recording area 22, a capacitance pen can be used for direct writing, and synchronous recording and storage can be performed during writing.
Specifically, regarding the adjustment of the areas of the display area 21 and the writing recording area 22 by the push rod 3 during the movement, the following embodiments are provided:
referring to fig. 3 to fig. 6, in the present embodiment, preferably, the movement adjusting device further includes a self-adaptive adjusting structure installed in the sliding chute 11, and the self-adaptive adjusting structure includes a signal receiving board 12 and a signal transmitting board 14 respectively installed on the inner walls of the two sides of the sliding chute 11; the self-adaptive adjusting structure further comprises a shielding structure 15 moving along with the push rod 3, and the shielding structure 15 is used for blocking signal transmission between the signal receiving board 12 and the signal transmitting board 14; the signal receiving board 12 does not receive the signal part sent by the signal transmitting board 14, and corresponds to the display area 21; the signal receiving board 12 receives the signal portion from the signal transmitting board 14, which corresponds to the writing recording area 22.
As shown in fig. 4-6, in the present embodiment, the shielding structure 15 further includes two rotating rollers 152 symmetrically disposed, and an annular shielding belt 151 is sleeved on the two rotating rollers 152, the signal emitting plate 14 is located in the annular shielding belt 151, and a via hole 154 is formed on the shielding belt 151; the via hole 154 is used to conduct signal transmission between the signal receiving board 12 and the signal emitting board 14.
Referring to fig. 5, in the present embodiment, a connection plate 153 is further fixed on the surface wall of the shielding belt 151, the connection plate 153 is located at one end of the through hole 154, and the connection plate 153 is connected to the end of the push rod 3.
As can be seen from the above, the principle of the push rod 3 for adjusting the areas of the display area 21 and the writing recording area 22 during the moving process is as follows (taking the push rod 3 moving to the right as an example):
the push rod 3 drives the annular shielding belt 151 to transmit based on the connecting plate 153 in the moving process, namely, the whole shielding structure 15 can rotate anticlockwise, at the moment, the left end of the via hole 154 can gradually move towards the right side from the leftmost side, in the process, the left shielding belt 151 can gradually obstruct signal transmission between the signal receiving board 12 and the signal transmitting board 14, the length of the signal which cannot be received on the signal receiving board 12 is taken as the reference correspondingly, the position of the display area 21 is located in the whole interconnected blackboard 10, and the rest part is the position of the writing recording area 22.
The display area 21 and the writing recording area 22 can be realized by adopting the screen splitting technology in the existing touch screen, and the size of the split screen formed during the specific screen splitting is divided according to the positioning; in practical application, one specific split screen after being split is set to be in a read-only mode, and the other specific split screen is set to be in a read-write mode, so that playback display of the display area 21 and writing recording of the writing recording area 22 can be independently realized.
In addition, with regard to the movement of the push rod 3, the following embodiments are provided:
as shown in fig. 7, in the present embodiment, preferably, both ends of the chute 11 are provided with mounting grooves 16, a resettable limiting rod 161 is rotatably mounted in the mounting grooves 16 through a rotating shaft, and one end of the limiting rod 161 is provided with a limiting portion 162; the end of the push rod 3 is provided with a limit groove 38, and when the push rod 3 corresponds to the mounting groove 16, the limit rod 161 rotates, and the limit part 162 is clamped with the limit groove 38; when the push rod 3 is dislocated from the mounting groove 16, the limiting rod 161 rotates, and the limiting portion 162 is separated from the limiting groove 38.
As shown in fig. 7, in the present embodiment, a weight block 163 is further disposed at an end of the limiting rod 161 away from the limiting portion 162, and the weight of the weight block 163 is greater than that of the limiting portion 162, so as to achieve automatic reset of the limiting rod 161.
In summary, an implementation manner is provided for positioning the push rod 3 at the end of the sliding chute 11, and in this implementation manner, the matching principle of the push rod 3 and the corresponding limiting structure is as follows:
referring to the upper drawing of fig. 7, the push rod 3 is located inside the sliding groove 11 and is not engaged with the limiting structure, and the integral limiting rod 161 is inclined due to the downward pressing of the weight 163;
referring to the lower drawing of fig. 7, the push rod 3 moves to the left, and in the process, one side of the push rod 3 gradually contacts with the counterweight block 163, and drives the limiting rod 161 to move clockwise, so that the limiting portion 162 is pressed down and is clamped into the limiting groove 38, and therefore the limit position of the left movement of the push rod 3 is limited, and the phenomenon of excessive movement of the push rod 3 can be effectively avoided. When the push rod 3 moves to the right, the limit on the weight block 163 is removed along with the change of the position of the push rod 3, and at this time, the weight block 163 falls down to drive the whole limit rod 161 to move counterclockwise, so that the limit part 162 is separated from the limit groove 38, and the push rod 3 can smoothly complete the right movement.
In summary, the limiting structure at the left end of the sliding chute 11 is shown in fig. 7, and the limiting structure is also installed at the right end of the sliding chute 11, and the limiting structure is symmetrically and reversely installed in the structure shown in fig. 7, so that the limit of the right movement limit position of the push rod 3 is realized.
In addition, for the automatic reset structure formed by the weight block 163, the weight block 163 may be a magnetic device to realize the positioning or resetting of the limiting rod 161 by the magnetic attraction principle.
Referring to fig. 4, in the present embodiment, preferably, a rack 13 is welded to one side of the sliding chute 11 located on the signal receiving plate 12, a first gear 37 is installed in the end of the push rod 3, and the first gear 37 is engaged with the rack 13.
As shown in fig. 4, in the present embodiment, the push rod 3 is further provided with a second gear 36 coaxially installed with the first gear 37 and a movable toothed plate 35 matched with the second gear 36, the movable toothed plate 35 can move up and down, and when the movable toothed plate 35 moves up, the movable toothed plate is engaged with the second gear 36 to position the second gear 36; when the movable toothed plate 35 moves downwards, it is separated from the second gear 36.
As shown in fig. 4, in the present embodiment, further, the structure for driving the movable toothed plate 35 to move up and down is a pneumatic structure, and the pneumatic structure includes a first air cavity 34 and a second air cavity 31, a piston is disposed at the bottom of the movable toothed plate 35 and located in the first air cavity 34, a guide hole is connected between the second air cavity 31 and the first air cavity 34, a spring 32 and a piston pressing plate 33 are installed in the second air cavity 31, and the spring 32 is welded between the piston pressing plate 33 and the inner wall of the second air cavity 31.
In summary, an implementation manner is provided for positioning the push rod 3 in the middle of the sliding groove 11, and in this implementation manner, the matching principle of the push rod 3 and the corresponding limiting structure is as follows:
in the positioning state: the spring 32 keeps a normal state, the piston pressure plate 33 is limited to be close to a port of the first air cavity 34, the movable toothed plate 35 is located at the topmost position and meshed with the second gear 36, so that the second gear 36 cannot rotate, the first gear 37 cannot rotate correspondingly, the first gear 37 is meshed with the rack 13, the integral push rod 3 cannot move, and the stable positioning of the push rod 3 is realized; therefore, even if the blackboard collides with the push rod 3, the positioning position of the push rod 3 is not changed, and the stability of the split-screen display of the whole interconnected blackboard 10 is ensured.
In the movement adjustment state: the piston pressing plate 33 is pressed, the piston pressing plate 33 compresses the spring 32, air in the air cavity I34 is pressed out, the air enters the air cavity II 31 through the guide hole, the movable toothed plate 35 is pushed down, the movable toothed plate 35 is separated from the gear II 36 after moving down, the gear II 36 and the gear I37 are both converted into a rotatable state, the push rod 3 is pushed at the moment, and the stable movement of the push rod 3 is realized based on the rotation of the gear I37 and the meshing of the gear I37 and the rack 13.
Resetting and positioning after the movement is completed: the compressed spring 32 rebounds to push the piston pressing plate 33 to reset, so that air in the air cavity II 31 is sucked into the air cavity I34, in the process, the movable toothed plate 35 moves upwards under the negative suction effect, and the gear II 36 is re-meshed to form reset positioning.
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 (6)
1. An interconnected blackboard with a playback function is characterized by comprising an installation shell (1), a touch screen (2) and a mobile adjusting device, wherein the touch screen (2) and the mobile adjusting device are arranged on one side of the installation shell (1);
the touch screen (2) is embedded in the mounting shell (1), and the touch screen (2) comprises a display area (21) and a writing recording area (22);
the outer wall of one side of the mounting shell (1) is provided with sliding grooves (11) on two sides of the touch screen (2), the movable adjusting device comprises a movable push rod (3), and two ends of the movable push rod (3) are respectively positioned in the two sliding grooves (11) and slide along the sliding grooves (11); the display area (21) and the writing recording area (22) are respectively positioned at two sides of the push rod (3), and when the push rod (3) moves, the areas of the display area (21) and the writing recording area (22) change along with the movement;
the mobile adjusting device also comprises a self-adaptive adjusting structure arranged in the sliding chute (11), and the self-adaptive adjusting structure comprises a signal receiving plate (12) and a signal transmitting plate (14) which are respectively arranged on the inner walls of the two sides of the sliding chute (11);
the self-adaptive adjusting structure further comprises a shielding structure (15) moving along with the push rod (3), and the shielding structure (15) is used for blocking signal transmission between the signal receiving board (12) and the signal transmitting board (14);
the signal receiving board (12) does not receive the signal part sent by the signal transmitting board (14) and corresponds to a display area (21); the signal receiving board (12) receives a signal part sent by the signal transmitting board (14) and corresponds to a writing recording area (22);
the shielding structure (15) comprises two rotating rollers (152) which are symmetrically arranged, an annular shielding belt (151) is sleeved on the two rotating rollers (152), the signal transmitting plate (14) is positioned in the annular shielding belt (151), and a through hole (154) is formed in the shielding belt (151);
the via hole (154) is used for conducting signal transmission between the signal receiving board (12) and the signal transmitting board (14);
and a connecting plate (153) is fixed on the surface wall of the shielding belt (151), the connecting plate (153) is positioned at one end of the through hole (154), and the connecting plate (153) is connected with the end part of the push rod (3).
2. The interconnected blackboard with the playback function according to claim 1, wherein both ends of the chute (11) are provided with mounting grooves (16), a resettable limiting rod (161) is rotatably mounted in the mounting grooves (16) through a rotating shaft, and one end of the limiting rod (161) is provided with a limiting part (162);
the end part of the push rod (3) is provided with a limiting groove (38), and when the push rod (3) corresponds to the mounting groove (16), the limiting rod (161) rotates, and the limiting part (162) is clamped with the limiting groove (38); when the push rod (3) and the mounting groove (16) are staggered, the limiting rod (161) rotates, and the limiting part (162) is separated from the limiting groove (38).
3. The interconnected blackboard with the playback function, as claimed in claim 2, wherein a counterweight (163) is disposed on one end of the limiting rod (161) far away from the limiting portion (162), and the weight of the counterweight (163) is greater than that of the limiting portion (162), so as to achieve automatic reset of the limiting rod (161).
4. The interconnected blackboard with the playback function, according to claim 3, is characterized in that a rack (13) is welded at one side of the signal receiving board (12) in the sliding chute (11), a first gear (37) is installed in the end of the push rod (3), and the first gear (37) is meshed with the rack (13).
5. The interconnected blackboard with the playback function, according to claim 4, characterized in that the push rod (3) is further provided with a second gear (36) coaxially installed with the first gear (37) and a movable toothed plate (35) matched with the second gear (36), the movable toothed plate (35) can move up and down, and when the movable toothed plate (35) moves up, the movable toothed plate is meshed with the second gear (36) to position the second gear (36); when the movable toothed plate (35) moves downwards, the movable toothed plate is separated from the second gear (36).
6. The interconnected blackboard with the playback function according to claim 5, wherein the structure driving the movable toothed plate (35) to move up and down is a pneumatic structure, the pneumatic structure comprises a first air cavity (34) and a second air cavity (31), a piston is arranged at the bottom of the movable toothed plate (35) and is located in the first air cavity (34), a guide hole is connected between the second air cavity (31) and the first air cavity (34), a spring (32) and a piston pressing plate (33) are installed in the second air cavity (31), and the spring (32) is welded between the piston pressing plate (33) and the inner wall of the second air cavity (31).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010325234.9A CN111497497B (en) | 2020-04-23 | 2020-04-23 | Interconnected blackboard with playback function and system thereof |
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| CN202010325234.9A CN111497497B (en) | 2020-04-23 | 2020-04-23 | Interconnected blackboard with playback function and system thereof |
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| CN111497497A CN111497497A (en) | 2020-08-07 |
| CN111497497B true CN111497497B (en) | 2021-08-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112071133B (en) * | 2020-09-14 | 2022-08-12 | 深圳市迪丰能源科技有限公司 | Intelligent billboard for time management of children |
| CN113034984B (en) * | 2021-01-18 | 2022-07-22 | 郑州升达经贸管理学院 | Interactive multimedia teaching system for management science |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103914187A (en) * | 2013-01-09 | 2014-07-09 | 苏州金石投资管理股份有限公司 | Touch device adaptive to Sun Microsystems JSP operating platform |
| WO2016034129A1 (en) * | 2014-09-03 | 2016-03-10 | 苏州泛普纳米科技有限公司 | Touch blackboard, touch blackboard frame, touch all-in-one machine and combined blackboard |
| CN208558755U (en) * | 2018-05-17 | 2019-03-01 | 苏州泛普科技股份有限公司 | Combined teaching blackboard based on touch panel |
| CN109994007A (en) * | 2019-04-19 | 2019-07-09 | 石家庄科达文教用品有限公司 | Multimedia interconnected blackboard |
| CN210271274U (en) * | 2019-04-22 | 2020-04-07 | 石家庄科达文教用品有限公司 | Plane splicing interconnected blackboard |
| CN111009021A (en) * | 2019-11-22 | 2020-04-14 | 珠海豹趣科技有限公司 | Playback method of electronic whiteboard and related equipment |
-
2020
- 2020-04-23 CN CN202010325234.9A patent/CN111497497B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103914187A (en) * | 2013-01-09 | 2014-07-09 | 苏州金石投资管理股份有限公司 | Touch device adaptive to Sun Microsystems JSP operating platform |
| WO2016034129A1 (en) * | 2014-09-03 | 2016-03-10 | 苏州泛普纳米科技有限公司 | Touch blackboard, touch blackboard frame, touch all-in-one machine and combined blackboard |
| CN208558755U (en) * | 2018-05-17 | 2019-03-01 | 苏州泛普科技股份有限公司 | Combined teaching blackboard based on touch panel |
| CN109994007A (en) * | 2019-04-19 | 2019-07-09 | 石家庄科达文教用品有限公司 | Multimedia interconnected blackboard |
| CN210271274U (en) * | 2019-04-22 | 2020-04-07 | 石家庄科达文教用品有限公司 | Plane splicing interconnected blackboard |
| CN111009021A (en) * | 2019-11-22 | 2020-04-14 | 珠海豹趣科技有限公司 | Playback method of electronic whiteboard and related equipment |
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