CN210777255U

CN210777255U - Multimedia interconnected blackboard

Info

Publication number: CN210777255U
Application number: CN201920543503.1U
Authority: CN
Inventors: 何玉良; 王海伟; 李立广
Original assignee: Shijiazhuang Keda Stationery Co ltd
Current assignee: Shijiazhuang Keda Education Equipment Co ltd
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2020-06-16
Anticipated expiration: 2029-04-19

Abstract

The utility model provides a multi-media interconnected blackboard belongs to supplementary education product technical field, be in including frame, embedded interconnection board and pickup attachment in the frame, still be provided with control panel on the frame, be provided with on the interconnection board be used for with control panel cooperation discernment write the infrared frame of orbit on the face of writing of interconnection board, the infrared frame with pickup attachment respectively with control panel connects, control panel is used for receiving the feedback signal of infrared frame with the sound that pickup attachment picked up, the analysis reachs the user and is in writing the orbit when writing on the interconnection board, and will this write the orbit with the sound that pickup attachment picked up carries out synchronous storage, makes the recorded broadcast file. Adopt the utility model provides a multimedia interconnection blackboard records class need not video recording equipment or video recording classroom with the help of the specialty, records the low price, does not have loaded down with trivial details wiring, and rate of equipment utilization is high.

Description

Multimedia interconnected blackboard

Technical Field

The utility model belongs to the technical field of supplementary education product, more specifically say, relate to a multimedia interconnection blackboard.

Background

Under the large background of education informatization, education equipment is continuously developed in informatization, sounds, images, courseware and the like are displayed in a digitalized manner in sequence, only a classroom blackboard-writing is not digitalized, the digitalization of the sounds, the images, the courseware and the blackboard-writing needs various devices to be realized and complicated wiring under the common condition, and if a professional recording and broadcasting classroom is constructed, the problems of high price, low device utilization rate, large recording and broadcasting volume, inconvenience in transmission and the like exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multimedia interconnection blackboard aims at solving and adopts the recorded broadcast classroom to record the technical problem that the class is expensive, equipment utilization is low, the recorded broadcast is bulky inconvenient to be propagated.

In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a multimedia interactive blackboard, including: the frame, embedded interconnection board and the pickup apparatus in the frame, still be provided with control panel on the frame, be provided with on the interconnection board be used for with control panel cooperation discernment write the infrared frame of orbit on the face of writing of interconnection board, the infrared frame with pickup apparatus respectively with control panel connects, control panel is used for receiving the feedback signal of infrared frame with the sound that pickup apparatus picked up, the analysis reachs the user and is in writing the orbit when writing on the interconnection board, and will this write the orbit with the sound that pickup apparatus picked up carries out synchronous storage, makes the recorded broadcast file.

Furthermore, the sound display device is arranged on the frame, and the display device is embedded in the frame and arranged in parallel or side by side with the interconnection plate, and the sound display device and the display device are respectively connected with the control panel.

Furthermore, the interconnection plate comprises a fixed plate fixedly arranged in the frame and a movable plate which is positioned in front of the fixed plate and can slide along the length direction of the frame, the fixed plate and the display device are arranged side by side, and the fixed plate and the movable plate are respectively provided with the infrared frame connected with the control panel.

Furthermore, the frame is provided with a high-speed scanner connected with the control panel, and the control panel is used for displaying the scanning picture acquired by the high-speed scanner through the display device.

Further, be provided with on the frame and be used for accomodating the storing box of high appearance of clapping, high the appearance of clapping with the inner wall of storing box is articulated, be provided with in the storing box with at least one baffle of connection can be dismantled to the inner wall of storing box, each the baffle will the inner chamber of storing box is separated for two at least minute chambeies that set up in proper order from top to bottom.

Further, the opening of storing box is through the panel shutoff that can outwards overturn, the one end of panel with the bottom of storing box is articulated, and the other end is through setting up the top of storing box or the fixing device of the top of storing box with the top of storing box can be dismantled and be connected.

Further, the panel is including articulated first plate body, second plate body and third plate body in proper order, the one end of second plate body with the bottom of storing box is articulated, the other end pass through fixing device with the connection can be dismantled at the top of storing box.

Further, the fixing device is a motor lock, and the motor lock comprises a supporting part connected with the storage box or the frame, a lock pin movably arranged on the supporting part, and a driving device fixedly arranged on the supporting part and used for driving the lock pin to move forwards or backwards; the driving device comprises an elastic piece connected with the rear end of the lock pin and a power device used for pushing the lock pin backwards; the power device comprises a motor and an eccentric part sleeved on an output shaft of the motor, and the middle part of the lock pin is provided with an accommodating cavity for accommodating the eccentric part; one end of the second plate body, which is connected with the top of the storage box, is provided with a connecting part which is matched with the lock pin in an inserting way, and the connecting part is provided with a lock hole for accommodating the front end of the lock pin; the frame is provided with a button for controlling the motor lock to work, and the button and the motor are respectively connected with the control panel.

Further, the eccentric part comprises a disc sleeved on the output shaft and a push rod arranged on the disc, the axis of the push rod is parallel to the axis of the output shaft, and the free end of the push rod extends into the accommodating cavity.

Furthermore, the sound pickup device is arranged on the remote control device.

The utility model provides a multimedia interconnection blackboard's beneficial effect lies in: compared with the prior art, the utility model discloses multi-media interconnected blackboard has set up can with the control panel real-time identification on the interconnected plate write the interconnection board of orbit and can pick up the pickup apparatus of mr teaching explanation sound in real time, and control panel carries out the analysis integration with blackboard writing and sound as required again, makes and to supply the recorded broadcast file that the student reviewed the use. The recorded and broadcast file made by the control panel is only made of audio and text, has no video picture, occupies less memory and is convenient to spread compared with the recorded and broadcast file recorded by a video recording device. Adopt the utility model provides a multimedia interconnection blackboard records class need not video recording equipment or video recording classroom with the help of the specialty, records the low price, does not have loaded down with trivial details wiring, and rate of equipment utilization is high.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a multimedia interconnection blackboard provided by an embodiment of the present invention;

fig. 2 is a schematic view of a vertical section structure of a storage box adopted in the embodiment of the present invention;

fig. 3 is a schematic structural view of the storage box after the display board adopted by the embodiment of the present invention is opened;

fig. 4 is a schematic structural view of a fixing device adopted in the embodiment of the present invention;

FIG. 5 is a schematic side view of a locking pin used in an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a remote control device according to an embodiment of the present invention;

fig. 7 is a schematic diagram of a control structure outline adopted in the embodiment of the present invention.

In the figure: 100. a frame; 110. a storage box; 120. a partition plate; 130. identifying a shortcut key; 150. a button; 160. a remote control device; 170. a display device; 200. an interconnection plate; 210. a fixing plate; 220. a movable plate; 300. a sound pickup device; 400. a control panel; 500. a red outer frame; 600. a sound playing device; 700. a fixing device; 710. a support portion; 711. a housing; 712. a first cavity; 713. a second cavity; 714. a through hole; 720. a lock pin; 730. a motor; 741. a disc; 742. a push rod; 750. an accommodating chamber; 760. an elastic member; 800. a high shooting instrument; 900. exhibition boards; 910. a first plate body; 920. a second plate body; 930. a third plate body; 940. a connecting portion; 950. and (4) keyhole locking.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and fig. 7 together, a multimedia interactive blackboard according to an embodiment of the present invention will now be described. Multimedia interconnection blackboard, including frame 100, embedded interconnection board 200 and pickup apparatus 300 in frame 100, still be provided with control panel 400 on the frame 100, be provided with on the interconnection board 200 and be used for writing the infrared frame 500 of orbit on the writing surface of interconnection board 200 with control panel 400 cooperation discernment, infrared frame 500 and pickup apparatus 300 are connected with control panel 400 respectively, control panel 400 is used for receiving the feedback signal of infrared frame 500 and the sound that pickup apparatus 300 picked up, the analysis reachs the orbit of writing when the user writes on interconnection board 200, and carry out synchronous storage with the sound that this orbit of writing and pickup apparatus 300 picked up, make the recorded broadcast file.

It should be noted that the recorded file referred to herein may be a blackboard-writing file, an audio file that a teacher has taught in class, and a file that the blackboard-writing and the lecture audio are played synchronously in combination. The infrared frame 500 is disposed on the periphery of the interconnection plate 200, and an infrared detection net for detecting the position coordinates of an opaque object such as a chalk, a fountain pen, or a finger for writing on the interconnection plate 200, the contact area between the opaque object and the interconnection plate 200, and the movement path is formed on the writing surface of the interconnection plate 200.

In class, the teacher writes a blackboard book on the interconnection board 200, and the opaque object used for writing blocks the corresponding infrared signal, so that the infrared receivers located above (or below) and on the left side (or right side) of the opaque object cannot receive the infrared signal, and the control panel 400 can identify the position coordinate of the opaque object on the interconnection board 200 after receiving the information, and the contact area between the opaque object and the interconnection board 200 is large. When the opaque object continuously moves, the movement track of the opaque object can be obtained through the principle, and then the writing track of the opaque object on the interconnection board 200 is obtained and stored.

Meanwhile, the sound pickup apparatus 300 acquires the sound explained by the teacher during the lecture in real time, and transmits the acquired sound signal to the control panel 400. The control panel 400 stores the writing trace obtained by the analysis and the sound signal of the sound pickup device 300 or the sound signal in synchronization, and makes a recorded and broadcast file in which the writing and the explanation are performed in synchronization. After class, the student can call the recorded broadcast file from the control panel 400, so that the student can review the classroom teaching content at any time after class.

The embodiment of the utility model provides a multimedia interconnection blackboard compares with prior art, has set up can with control panel 400 real-time identification interconnection board 200 go up the interconnection board 200 of writing the orbit and can pick up pickup apparatus 300 of mr teaching explanation sound in real time, and control panel 400 carries out the analysis integration with blackboard writing and sound as required again, makes the recorded broadcast file that can supply the student to review the use. The recorded and broadcast file made by the control panel 400 is made of audio and text only, has no video picture, occupies less memory compared with the recorded and broadcast file recorded by a video recording device, and is convenient to spread. Adopt the utility model provides a multimedia interconnection blackboard records class need not video recording equipment or video recording classroom with the help of the specialty, records the low price, does not have loaded down with trivial details wiring, and rate of equipment utilization is high.

In this embodiment, the control panel 400 employs an industrial-grade single-chip processor chip, has a fast processing speed and a stable operation, and is provided with USB, VGA, HDMI, and AUX ports, which facilitate the connection of external devices; 2 integrated AC 220V 3Pin sockets with output control can be connected with devices such as a computer, a projector and an all-in-one machine for power supply management; the panel functional area mainly comprises three parts of volume control, equipment control and a signal source; an NFC card swiping system is integrated for intelligent management; the power input end is connected with an EMI filter circuit to reduce external noise interference; the LED and LCD display screens can be integrated to display the running state and information of the equipment.

In this embodiment, the control panel 400 may also be wirelessly connected to a wechat public number, a mobile phone client, and other terminal devices, and send the recorded broadcast file to the terminal devices as needed, so that the classroom content is more wonderful.

As a specific implementation manner of the multimedia interconnected blackboard provided in the present invention, please refer to fig. 1 and fig. 7, further comprising a sound playing device 600 disposed on the frame 100 and a display device 170 embedded in the frame 100 and disposed in parallel or side by side with the interconnection board 200, wherein the sound playing device 600 and the display device 170 are respectively connected to the control panel 400.

The sound playing device 600 can play the sound picked up by the sound pickup device 300 in real time, and can be used as a loudspeaker, so that students in the corners of a classroom can also hear the sound without needing a teacher to have a loud voice, and the sound playing device is helpful for protecting the voice of the teacher.

The display device 170 can display the writing trace analyzed by the control panel 400 in real time, and the difference between the display speed and the writing speed is very small and close to synchronization because the time of the intermediate analysis processing is very short. Make the mr when writing blackboard writing like this, on the blackboard writing can synchronous display device 170, the student can see mr's writing content on the blackboard in real time through display device 170, can not blockked by mr's health and can't watch, also need not wait to write the back and take notes again to avoided influencing the phenomenon of listening to classes because of the record blackboard writing, guaranteed good effect of giving lessons.

The arrangement of the sound playing device 600 and the display device 170 further increases the versatility of the multimedia blackboard, is beneficial to better teaching, and improves the teaching effect.

In this embodiment, the sound playing device 600 is provided with a reverberation adjustment knob, a playing volume adjustment button 150, a USB jack, and the like. The arrangement of the reverberation adjustment knob facilitates the user to adjust the sound effect played by the sound playing device 600 as required. The setting of the play volume adjustment button 150 facilitates the user to adjust the volume of the sound played by the sound playing apparatus 600 as desired. The USB jack can be connected to a storage device to directly play audio files, and the control key on the panel of the sound playing apparatus 600 is used to control the sound playing apparatus 600, so that the user can play other audio frequencies except for the sound picked up by the sound pickup apparatus 300 as required.

In addition, in this embodiment, the sound playing apparatus 600 is further provided with an antenna and a bluetooth antenna, which are wirelessly connected to the sound pickup apparatus 300, and can adapt to different applications and interface requirements by using two wireless communication modes, i.e., 2.4G wireless communication and bluetooth communication, and two wired communication modes, i.e., AUX3.5 communication and USB communication. The audio playing device 600 is internally provided with a full digital audio amplifier and has two I/O ports AUX3.5_ Line _ In and AUX3.5_ Line _ Out, and the audio playing device can simultaneously transmit the audio to the control panel 400 or the computer for audio recording while amplifying the audio. The panel of the sound playing device 600 is made of 6063-T5 aluminum alloy, and has high strength, good texture, and the color of the panel is sub-gloss to reduce light reflection. By adopting the sound playing device 600 of the present embodiment, 1000 sets of devices can be used simultaneously without crosstalk, one player and one microphone, and the operation is convenient.

As a specific embodiment of the multimedia interconnection blackboard provided in the present invention, please refer to fig. 1, the interconnection board 200 includes a fixed board 210 fixedly disposed in the frame 100 and a movable board 220 located in front of the fixed board 210 and capable of sliding along the length direction of the frame 100, the fixed board 210 and the display device 170 are disposed side by side, and the fixed board 210 and the movable board 220 are respectively provided with an infrared frame 500 connected with the control panel 400.

When it is required to display the blackboard writing on the display device 170, the movable plate 220 is pushed to the side of the fixed plate 210, so that the movable plate 220 covers the fixed plate 210, the blackboard writing is written on the movable plate 220, and the display device 170 displays the blackboard writing on the movable plate 220 in real time or displays the blackboard writing on the covered fixed plate 210.

When the display device 170 is not needed, the movable plate 220 is pushed to the side of the display device 170, so that the students can see the contents on the movable plate 220 and the fixed plate 210, and can write a board on any one of the movable plate 220 and the fixed plate 210.

It should be noted that, in any of the above manners, the control panel 400 can record the handwriting on the movable plate 220 and the fixed plate 210 without being affected by whether the display device 170 is shielded, and the content displayed by the display device 170 can be adjusted as needed, and may be a blackboard writing written on the movable plate 220 or the fixed plate 210 in real time, or a blackboard writing, courseware, pictures, and the like written before.

The fixed plate 210 and the movable plate 220 are arranged to further increase the versatility of the multimedia interconnection blackboard, improve the convenience of using the multimedia interconnection blackboard and ensure a higher teaching effect.

As a specific implementation of the utility model provides a multimedia interconnection blackboard, please refer to fig. 1, establish at least one functional module in control panel 400, the lower part is provided with the shortcut sign 130 that corresponds with each functional module in fixed plate 210 or the positive one end of fly leaf 220, when the user point touches shortcut sign 130, control panel 400 can discern the shortcut sign 130 that the user point touched according to the data of each infrared strip feedback, the control works with the functional module that this shortcut sign 130 corresponds.

In order to increase the intelligence degree of an interconnection panel, at least one function module is disposed in the control panel 400, and the shortcut key identifier 130 corresponding to each function module is disposed on the front surface of the fixed plate 210 or the movable plate 220. The function module comprises a clearing function module, a storing function module, a switching function module, a previous page function module, a next page function module, a red pen function module, a blue pen function module, a black pen function module and/or a sharing function module.

When the shortcut key identifier 130 corresponding to the clearing function is touched by a finger, the control panel 400 confirms the touching position of the finger through the feedback signals of the infrared bars, and when the touching position of the finger is determined to be the position of the shortcut key identifier 130 corresponding to the clearing function, the control panel 400 sends a command to control the working of the clearing function module, so as to clear the blackboard writing displayed on the screen of the electronic display device 170.

When the shortcut key identifier 130 corresponding to the saving function is touched, the control panel 400 sends a command to control the saving function module to work, and saves the blackboard writing displayed on the screen of the electronic display device 170. When the shortcut key identifier 130 corresponding to the switching function is touched, the control panel 400 sends a command to control the switching function module to operate, so as to switch the display page on the screen of the electronic display device 170 from the current page to another page. When the shortcut key identifier 130 corresponding to the previous page is touched, the control panel 400 sends a command to control the previous page of function module to work, and the displayed page on the screen of the electronic display device 170 returns to the previous page of board book. When the shortcut key identifier 130 corresponding to the next page is touched, the control panel 400 issues a command to control the next page of functional modules to work, and the displayed page under the screen of the electronic display device 170 returns to the next page of the blackboard-writing. When the shortcut key identifier 130 corresponding to the red pen function, the shortcut key identifier 130 corresponding to the blue pen function, or the shortcut key identifier 130 corresponding to the black pen function is touched, the control panel 400 sends a command to control the corresponding function module to operate, and the color of the handwriting displayed on the screen of the electronic display device 170 is changed from the previous color to red, blue or black. When the shortcut key identifier 130 corresponding to the sharing function is touched, the control panel 400 sends a command to control the corresponding function module to work, so that the current handwriting can be shared to the corresponding mobile phone app.

The shortcut key identifier 130 is provided to facilitate the user to accurately judge the positions of different shortcut keys on the front surface of the fixed plate 210 or the movable plate 220, and to facilitate the user to enter different touch positions of different shortcut keys in the control panel 400 in advance, so as to facilitate the control panel 400 to accurately judge whether the user recognizes writing on the writing board or presses the shortcut key to perform corresponding operations.

As a specific implementation manner of the multimedia interconnected blackboard provided by the present invention, please refer to fig. 2 and fig. 7, the frame 100 is provided with a high-speed scanner 800 connected to the control panel 400, and the control panel 400 is used for displaying the scanning image acquired by the high-speed scanner 800 through the display device 170.

When a teacher needs to show paper pictures or files to students in the teaching process, the contents on the pictures or the files can be displayed through the display device 170 through the high-speed shooting instrument 800 and the display device 170, and the students can watch the pictures or the files conveniently.

The high-speed shooting instrument 800 further increases the versatility of the multimedia interconnected blackboard, improves the convenience of using the multimedia interconnected blackboard and ensures a higher teaching effect.

As a specific implementation manner of the multimedia interconnected blackboard provided by the utility model, please refer to fig. 2 and 3, be provided with on the frame 100 and be used for accomodating the storing box 110 of high appearance 800 that claps, the high appearance 800 that claps is articulated with the inner wall of storing box 110, be provided with in the storing box 110 with the inner wall of storing box 110 can dismantle at least one baffle 120 of being connected, each baffle 120 separates the inner chamber of storing box 110 for upper and lower two at least minute chambeies that set up in proper order at an interval.

High appearance 800 and the inner wall of storing box 110 of clapping is articulated for can fold over high appearance 800 down and accomodate to storing box 110 when high appearance 800 of clapping does not use, avoid being touch the phenomenon emergence of taking place the damage by the student, guarantee the longer life of high appearance 800 of clapping.

When the high-speed scanner 800 is used, the partition plate 120 is taken down, and the high-speed scanner 800 is supported; when the high-speed scanner 800 is not used, the high-speed scanner 800 is folded, then the partition plate 120 is installed in the storage box 110, teaching aids of small pieces such as chalks and eraser can be placed in different cavities according to categories, and classified storage is achieved.

Due to the arrangement of the partition plates 120, classified storage of different types of articles is realized, mutual pollution between the articles is avoided, and the tidiness of the articles stored in the storage box 110 is further ensured.

As a specific implementation manner of the multimedia interconnected blackboard provided by the present invention, please refer to fig. 2 and 3, the opening of the storage box 110 is blocked by the display board 900 capable of being turned outwards, one end of the display board 900 is hinged to the bottom board of the storage box 110, and the other end is detachably connected to the top of the storage box 110 through the fixing device 700 disposed at the top of the storage box 110 or above the storage box 110.

When the high-speed shooting instrument 800 needs to be used, the fixing device 700 is released, the display board 900 and the high-speed shooting instrument 800 are respectively supported to be parallel to each other, then the picture or the file needing to be displayed is placed on the display board 900, and the high-speed shooting instrument 800 scans the picture or the file below the high-speed shooting instrument.

The arrangement of the display board 900 allows for supporting the object to be scanned without the need of hands when scanning through the high-speed scanner 800, and allows the object to be placed on the display board 900. In addition, the display board 900 is arranged so that after the articles are placed in the storage box 110, one end of the display board 900, which is far away from the bottom of the storage box 110, can be connected with the top plate of the storage box 110 through the fixing device 700, so that the opening of the storage box 110 is blocked, the phenomenon that the articles in the storage box 110 are polluted by impurities such as dust and chalk dust entering the storage box 110 is avoided, and the tidiness of the articles in the storage box 110 is further ensured.

In the embodiment, the display board 900 is made of 6063-T5 magnesium aluminum alloy, rectangular reinforcing grooves are formed in the surface of the display board, and the display board is light in overall weight and high in strength.

As a specific implementation manner of the multimedia interconnected blackboard provided by the utility model, please refer to fig. 2 and 3, the display board 900 includes the first board body 910, the second board body 920 and the third board body 930 that are articulated in proper order, and the one end of the second board body 920 is articulated with the bottom plate of the storage box 110, and the other end passes through the top of fixing device 700 and storage box 110 and can dismantle and be connected.

The first plate body 910, the second plate body 920 and the third plate body 930 are sequentially hinged, so that the display board 900 is foldable, convenient to store and convenient for a user to flexibly adjust the width of the display board 900 according to use needs. Wherein the width of the second plate 920 is equivalent to the width of the storage box 110. When the display board 900 needs to be folded, the first board body 910 and the third board body 930 are sequentially turned towards the middle portion, so that the display board 900 is folded into a folded body with a width equivalent to that of the second board body 920. When the display board 900 needs to be unfolded, the first board body 910 and the third board body 930 are sequentially turned outwards, so that the display board 900 is unfolded into a flat body in which the three board bodies are sequentially unfolded.

When the picture or the file that needs to scan is narrower, can directly place the picture or the file that will wait to scan on the folded body of panel 900, need not to expand each plate body, when the picture or the file that need to scan are wider, then can expand each plate body of constituteing panel 900 after, will wait to scan the article and place on panel 900 again, this has effectively avoided the article to place the phenomenon of landing on the panel 900 by panel 900 after on panel 900 to take place.

As a specific embodiment of the multimedia interconnected blackboard provided by the present invention, please refer to fig. 4 and 5, the fixing device 700 is a motor lock, the motor lock includes a supporting portion 710 connected to the storage box 110 or the frame 100, a lock pin 720 movably disposed on the supporting portion 710, and a driving device fixedly disposed on the supporting portion 710 for driving the lock pin 720 to move forward or backward; the driving means includes an elastic member 760 engaged with the rear end of the lock pin 720 and a power means for pushing the lock pin 720 backward; the power device comprises a motor 730 and an eccentric part sleeved on an output shaft of the motor 730, wherein the middle part of the lock pin 720 is provided with an accommodating cavity 750 for accommodating the eccentric part; a connecting part 940 which is matched with the lock pin 720 in an inserting manner is arranged at one end of the second plate body 920 connected with the top of the storage box 110, and a lock hole 950 used for accommodating the front end of the lock pin 720 is arranged on the connecting part 940; the frame 100 is provided with a button 150 for controlling the operation of the motor lock, and the button 150 and the motor 730 are respectively connected to the control panel 400.

In the free state, the power device and the elastic member 760 do not apply force to the lock pin 720, and the front end of the lock pin 720 extends into the keyhole located outside the support part 710; when the lock is unlocked, the motor 730 drives the eccentric member to rotate, the eccentric member pushes the lock pin 720 backwards, and the lock pin 720 overcomes the elasticity of the elastic member 760 to move backwards until the front end of the lock pin 720 is moved out of the keyhole.

When the high-speed shooting instrument 800 needs to be used or the storage box 110 needs to be opened, the unlocking button 150 on the frame 100 is pressed, the control panel 400 controls the motor 730 to rotate forwards, the eccentric member is driven to rotate around the axis of the output shaft of the motor 730, backward thrust is applied to the lock pin 720, the lock pin 720 overcomes the elastic force generated by the compression of the elastic member 760, and moves backwards until the front end of the lock pin 720 is moved out of the lock hole. When the display board 900 needs to be folded, the display board 900 is folded first, then the display board 900 is turned upwards to a specified position, then the locking button 150 on the frame 100 is pressed, the control panel 400 controls the motor 730 to rotate reversely, the eccentric member returns to the original position, the lock pin 720 returns to the original position under the pushing action of the elastic member 760 and is inserted into the lock hole again, and the elastic member 760 returns to the original state.

It should be noted that the rotation direction of the motor 730 driving the eccentric member to push the lock pin 720 backward is recorded as the forward rotation direction of the motor 730, and a person skilled in the art can determine the forward rotation direction to be clockwise rotation or counterclockwise rotation by himself or herself as required. The motor 730 may be disposed perpendicular to the locking pin 720 or parallel to the locking pin 720, depending on the particular configuration of the eccentric member.

The embodiment of the utility model provides a motor lock, compared with the prior art, turn to through the eccentric part of motor 730 control, and then realize unblanking or close the lock operation, need not the key, and motor 730 turn to accessible button 150, control such as remote control, the automated control of motor lock has been realized, and lockpin 720 inserts behind the keyhole, the relation of connection between them is stable, the elastic component 760 and the eccentric part of different specifications are selected to lockpin 720's stroke accessible, the problem that mechanical lock and electromagnetic lock exist has effectively been overcome, and simple structure, the installation, it is convenient to maintain.

In this embodiment, the eccentric member may be an eccentric wheel or other eccentric structure, and the elastic member 760 may be a spring, elastic rubber, or the like. The elastic member 760 and the power device reduction ratio can be selected to match the torque according to specific requirements.

As a specific embodiment of the multimedia interconnected blackboard provided in the present invention, please refer to fig. 4, the eccentric member includes a disc 741 sleeved on the output shaft and a push rod 742 disposed on the disc 741, an axis of the push rod 742 is parallel to an axis of the output shaft, and a free end of the push rod 742 extends into the accommodating cavity 750.

When the lock is unlocked, the motor 730 rotates forwards to drive the disc 741 to rotate around the axis of the output shaft of the motor 730 until the push rod 742 rotates to be connected with the rear side wall of the accommodating cavity 750, the disc 741 is driven to rotate forwards electrically, the push rod 742 pushes the rear side wall of the accommodating cavity 750 backwards, and then the lock pin 720 is pushed backwards until the front end of the lock pin 720 is moved out of the lock hole, the motor 730 stops rotating, and the motor lock is in an unlocking state. When the lock is closed, the motor 730 rotates reversely, the pushing force of the push rod 742 on the lock pin 720 is gradually reduced, the elastic member 760 pushes the lock pin 720 forward until the push rod 742 is separated from the rear side wall of the accommodating chamber 750, the elastic member 760 returns to the original state before being compressed, and the lock pin 720 is reinserted into the lock hole.

The eccentric part adopts a structure formed by combining the disc 741 and the push rod 742, so that the contact area between the eccentric part and the lock pin 720 is small, and the friction force between the eccentric part and the lock pin 720 is small when the eccentric part pushes the lock pin 720 backwards, so that the risk of relative abrasion of the eccentric part or the lock pin 720 in the use process is reduced, and the long service life of the motor lock is ensured.

As a specific implementation manner of the multimedia interconnected blackboard provided in the present invention, please refer to fig. 4, the supporting portion 710 includes a housing 711, a first cavity 712 for accommodating the motor 730 and a second cavity 713 for accommodating the locking pin 720 and the elastic member 760 are disposed in the housing 711, the first cavity 712 and the second cavity 713 are vertically communicated, the housing 711 is provided with a through hole 714 for communicating the second cavity 713 with the outside, the front end of the locking pin 720 passes through the through hole 714 and extends to the outside of the housing 711, and one end of the motor elastic member 760 far away from the locking pin 720 is fixedly connected to the inner wall of the second cavity 713.

The arrangement of the shell 711 plays a certain role in protecting the motor 730, the lock pin 720 and the elastic piece 760, so that the friction between the motor lock and other objects in the carrying process is reduced, the risk of damage is further caused, and the stability of the working performance of the motor lock and the longer service life are ensured.

The arrangement of the first cavity 712 and the second cavity 713 realizes the fixation of the relative positions of the motor 730 and the lock pin 720 with the housing 711, reduces the occurrence of the phenomenon that the motor 730 or the lock pin 720 deviates from the preset position in the use process, and meanwhile, the lock pin 720 and the motor 730 are fixed with the housing 711 without additional fixing pieces.

As a specific implementation manner of the multimedia interconnected blackboard provided by the present invention, please refer to fig. 6 and 7, further comprising a remote control device 160 wirelessly connected to the control panel 400, wherein the sound pickup device 300 is disposed on the remote control device 160.

During teaching, the user can use the remote control device 160 to control the start and stop of the sound pickup device 300, the interconnection board 200 or the control panel 400 as required, and further control whether the recording and broadcasting operation is performed, so that the phenomenon that the sound pickup device 300, the interconnection board 200 and the control panel 400 still perform the recording and broadcasting operation when the recording and broadcasting are not required is avoided, and further unnecessary energy waste is avoided.

The sound pickup device 300 is arranged on the remote control device 160, so that when a teacher gives a class, the teacher can hold the sound pickup device 300 in the hand and place the sound pickup device at a position close to the mouth, and the sound pickup effect of the sound pickup device 300 is better.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Multimedia interconnection blackboard, its characterized in that: including the frame, embedded interconnection board and the pickup apparatus in the frame, still be provided with control panel on the frame, be provided with on the interconnection board be used for with control panel cooperation discernment write the infrared frame of orbit on the writing surface of interconnection board, the infrared frame with pickup apparatus respectively with control panel connects.

2. The multimedia interconnection blackboard of claim 1, wherein: the sound playing device and the display device are embedded in the frame and arranged in parallel or side by side with the interconnection plate, and the sound playing device and the display device are respectively connected with the control panel.

3. The multimedia interconnection blackboard of claim 2, wherein: the interconnection plate comprises a fixed plate fixedly arranged in the frame and a movable plate which is positioned in front of the fixed plate and can slide along the length direction of the frame, the fixed plate and the display device are arranged side by side, and the fixed plate and the movable plate are respectively provided with the infrared frame connected with the control panel.

4. The multimedia interconnection blackboard of claim 2, wherein: the frame is provided with a high-speed shooting instrument connected with the control panel, and the control panel is used for displaying a scanning picture acquired by the high-speed shooting instrument through the display device.

5. The multimedia interconnection blackboard of claim 4, wherein: be provided with on the frame and be used for accomodating the storing box of high appearance of clapping, high the appearance of clapping with the inner wall of storing box is articulated, be provided with in the storing box with the inner wall of storing box can dismantle at least one baffle of connection, each the baffle will the inner chamber of storing box is separated for two at least minute chambeies that set up in proper order from top to bottom.

6. The multimedia interconnection blackboard of claim 5, wherein: the opening of storing box is through the panel shutoff that can outwards overturn, the one end of panel with the bottom of storing box is articulated, and the other end is through setting up the top of storing box or the fixing device of the top of storing box with the connection can be dismantled at the top of storing box.

7. The multimedia interconnection blackboard of claim 6, wherein: the panel is including articulated first plate body, second plate body and third plate body in proper order, the one end of second plate body with the bottom of storing box is articulated, the other end pass through fixing device with the connection can be dismantled at the top of storing box.

8. The multimedia interconnection blackboard of claim 7, wherein: the fixing device is a motor lock, and the motor lock comprises a supporting part connected with the storage box or the frame, a lock pin movably arranged on the supporting part, and a driving device fixedly arranged on the supporting part and used for driving the lock pin to move forwards or backwards; the driving device comprises an elastic piece connected with the rear end of the lock pin and a power device used for pushing the lock pin backwards; the power device comprises a motor and an eccentric part sleeved on an output shaft of the motor, and the middle part of the lock pin is provided with an accommodating cavity for accommodating the eccentric part; one end of the second plate body, which is connected with the top of the storage box, is provided with a connecting part which is matched with the lock pin in an inserting way, and the connecting part is provided with a lock hole for accommodating the front end of the lock pin; the frame is provided with a button for controlling the motor lock to work, and the button and the motor are respectively connected with the control panel.

9. The multimedia interconnection blackboard of claim 8, wherein: the eccentric part comprises a disc sleeved on the output shaft and a push rod arranged on the disc, the axis of the push rod is parallel to that of the output shaft, and the free end of the push rod extends into the accommodating cavity.

10. The multimedia interconnection blackboard of any one of claims 1 to 9, wherein: still include with control panel wireless connection's remote control unit, pickup apparatus sets up on the remote control unit.