Adaptive electronic blackboard and whiteboard and its adaptive intelligent electronic blackboard and whiteboard teaching system

Abstract

An adaptive electronic blackboard includes an electronic blackboard, a servo lifting mechanism, and an adaptive position controller; the servo lifting mechanism includes a lifting device; the lifting device includes two screw rods, a servo motor, and a screw guide block; the screw guide block is installed on the screw rod and can move up and down with the forward and reverse rotation of the screw rod; the adaptive position control device includes a plurality of adaptive position detection devices, an adaptive position controller, and a servo lifting drive device. The adaptive position controller receives the operator's body data transmitted by the adaptive position detection device, obtains the position movement data, converts it into a control signal and transmits it to the servo lifting drive device; the servo lifting drive device is electrically connected to the servo motor; the servo lifting drive device drives the servo motor to realize the adaptive position adjustment of the electronic whiteboard. The present invention can provide a human-machine interface system with "artificial intelligence" attributes, reduce the labor intensity of teachers, improve the teaching environment, and improve teaching efficiency.

Description

Technical Field

[0001] The invention relates to an adaptive electronic blackboard whiteboard and an adaptive intelligent electronic blackboard whiteboard teaching system constructed by using the same. Background Art

[0002] In schools and other teaching places, teachers write on traditional blackboards with chalk to leave handwriting, and then use dry or wet erasers to erase useless handwriting.

[0003] In order to promote the informatization of school education, the so-called "left and right sliding door blackboard" is currently widely used, with a "flat-panel computer all-in-one" or "interactive electronic whiteboard" embedded in the middle or on the side; or a projector is installed next to the "up and down sliding blackboard" to project teaching PPT courseware on the screen. Compared with the traditional blackboard or "sliding blackboard", the addition of "digital visualization elements" is an improvement towards the informatization of education.

[0004] However, the "left and right sliding door blackboard" or "up and down sliding blackboard" are limited by the structure, and the two blackboards are not on the same plane. The overall stability of the system is poor, the weight is heavy, and it is completely driven by manpower. The operation is troublesome, time-consuming and laborious, and it is not handy, which affects the teacher's teaching mood and teaching efficiency. Summary of the invention

[0005] The technical problem to be solved by the present invention is to overcome the defects of traditional blackboards, such as being heavy, completely relying on manpower to push, being cumbersome to operate, time-consuming and labor-intensive, not being easy to use, and affecting the teacher's teaching mood and teaching efficiency. An adaptive electronic blackboard and an adaptive intelligent electronic blackboard teaching system using the same are proposed.

[0006] In order to solve the above technical problems, the present invention proposes the following technical solutions: an adaptive electronic blackboard whiteboard, comprising: an electronic blackboard whiteboard, a servo lifting mechanism, and an adaptive position control device;

[0007] The electronic blackboard whiteboard includes a rectangular board body, four frames, a number of hooks, and four corners;

[0008] Four frames are installed on the edges of the board body;

[0009] A plurality of hooks are respectively installed on the back side of the plate body;

[0010] The four corners are installed at the four corners of the board body and are respectively connected between two adjacent frames;

[0011] The servo lifting mechanism includes a lifting device, a support frame, and a plurality of back plate hooks;

[0012] The lifting device includes two screw bases, a screw, a servo motor, and a screw guide block;

[0013] The two screw bases are installed and fixed in an aligned manner up and down along the vertical direction;

[0014] The screw rod is rotatably mounted on two screw rod bases and is in a vertical direction;

[0015] The rotating shaft of the servo motor is connected to the lead screw;

[0016] The screw guide block is installed on the screw and can move up and down with the forward and reverse rotation of the screw;

[0017] The support frame is installed and fixed on the screw guide block;

[0018] A plurality of back panel hooks are respectively installed and fixed on the support frame;

[0019] Several hooks of the electronic blackboard are hung on several backboard hooks respectively and fixed with screws;

[0020] The adaptive position control device includes a plurality of adaptive position detection devices, an adaptive position controller, and a servo lifting drive device;

[0021] Several adaptive position detection devices are installed in the four sides and four corners; the adaptive position detection devices recognize the operator's touch gestures on the electronic whiteboard blackboard, obtain position movement data, convert it into control signals, and transmit it to the adaptive position controller

[0022] The adaptive position controller receives the operator's body data transmitted by the adaptive position detection device, obtains the position movement data, converts it into a control signal and transmits it to the servo lifting drive device; the adaptive position controller also receives the operator's touch gestures on the electronic whiteboard blackboard surface, obtains the position movement data, converts it into a control signal and transmits it to the servo lifting drive device;

[0023] The servo lifting drive device is electrically connected to the servo motor; the servo lifting drive device drives the servo motor according to the characteristics of the received control signal to realize the adaptive up and down movement of the adaptive electronic blackboard whiteboard in the vertical direction.

[0024] The technical solution is further limited in that the servo lifting mechanism further comprises two support frames, the support frames are linear sliding shapes, the two support frames are respectively vertically mounted on the left and right sides of the support frame and fixed with screws;

[0025] The adaptive electronic blackboard whiteboard also includes two mobile stabilizing devices, which are respectively installed at symmetrical positions on the left and right sides of the back of the board body;

[0026] The mobile stabilizing device includes a base, a guide wheel rail, a pulley, a counterweight, and a steel wire rope;

[0027] The base is installed and fixed on the wall;

[0028] The guide wheel guide rail is fixed on the base, and two guide wheels connected to the support frame are arranged on the guide wheel guide rail;

[0029] The pulley is mounted on the top of the base;

[0030] The counterweight is movably mounted inside the base;

[0031] The wire rope passes through the pulley, one end of which is connected to the counterweight and the other end is connected to the support frame.

[0032] A further limitation of the above technical solution is that the front side of the plate body adopts a green, white or grey enameled steel sheet or a spray-coated galvanized steel sheet as a panel.

[0033] The above technical solution is further limited in that the electronic blackboard whiteboard includes a plurality of the above hooks, which are respectively installed on the upper left, upper right, lower left, lower right, or middle of the back of the board body;

[0034] The servo lifting mechanism comprises a plurality of the above-mentioned backplane hooks, and the backplane hooks are respectively installed and fixed on the supporting frame.

[0035] A further limitation of the above technical solution is that the support frame includes two fixed support rods crossed into an X shape.

[0036] In order to solve the above technical problems, the present invention proposes the following technical solutions: an adaptive intelligent electronic blackboard whiteboard teaching system, comprising an electronic whiteboard, two adaptive electronic blackboard whiteboards, an ultra-short-throw projector, an adaptive system control host, and an electronic eraser;

[0037] The electronic whiteboard and two adaptive electronic blackboards are installed on the wall in sequence along the horizontal direction;

[0038] The electronic whiteboard is installed between two adaptive electronic blackboard whiteboards;

[0039] Two adaptive electronic blackboards can move up and down in the vertical direction;

[0040] The ultra short throw projector is electrically connected to the electronic whiteboard;

[0041] The adaptive system control host is electrically connected to the electronic whiteboard and two adaptive electronic blackboards to control them;

[0042] The electronic blackboard eraser is electrically connected to the adaptive system control host.

[0043] In order to solve the above technical problems, the present invention proposes the following technical solutions: an adaptive intelligent electronic blackboard whiteboard teaching system, comprising two electronic whiteboards, one adaptive electronic blackboard whiteboard, two ultra-short-throw projectors, an adaptive system control host, and an electronic eraser;

[0044] Two electronic whiteboards and an adaptive electronic blackboard are installed on the wall in sequence along the horizontal direction;

[0045] The adaptive electronic blackboard whiteboard is installed in the middle of two electronic whiteboards;

[0046] The adaptive electronic blackboard whiteboard can move up and down along the vertical direction;

[0047] Two ultra-short-throw projectors are electrically connected to two electronic whiteboards respectively;

[0048] The adaptive system control host is electrically connected to the two electronic whiteboards and the adaptive electronic blackboard whiteboard to realize the control of them;

[0049] The electronic blackboard eraser is electrically connected to the adaptive system control host.

[0050] In order to solve the above technical problems, the present invention proposes the following technical solutions: an adaptive intelligent electronic blackboard whiteboard teaching system, comprising an adaptive electronic blackboard whiteboard, an LCD touch-screen display, an adaptive system control host, and an electronic eraser;

[0051] An adaptive electronic blackboard and a large LCD touch screen display are installed on the wall in sequence along the horizontal direction;

[0052] LCD touch screen display is installed on the left or right side of the adaptive electronic blackboard whiteboard;

[0053] The adaptive electronic blackboard whiteboard can move up and down along the vertical direction;

[0054] The adaptive system control host is electrically connected to the adaptive electronic blackboard and the LCD touch-control large-screen display to realize the control of them;

[0055] The electronic blackboard eraser is electrically connected to the adaptive system control host.

[0056] In order to solve the above technical problems, the present invention proposes the following technical solutions: an adaptive intelligent electronic blackboard whiteboard teaching system, comprising two adaptive electronic blackboard whiteboards, an LCD touch-screen display, an adaptive system control host, and an electronic eraser;

[0057] Two adaptive electronic blackboards and LCD touch-screen displays are installed on the wall in sequence along the horizontal direction;

[0058] The LCD touch-screen display is installed between two adaptive electronic blackboards;

[0059] The adaptive electronic blackboard whiteboard can move up and down along the vertical direction;

[0060] The adaptive system control host is electrically connected to two adaptive electronic blackboards and LCD touch-screen displays to control them;

[0061] The electronic blackboard eraser is electrically connected to the adaptive system control host.

[0062] Compared with the prior art, the present invention has the following beneficial effects:

[0063] 1. The adaptive intelligent electronic blackboard whiteboard teaching system of the present invention is additionally provided with an adaptive electronic blackboard whiteboard, which includes a servo lifting mechanism and an adaptive position controller. The adaptive position controller can realize automatic detection of the height of the user or teacher, the height of the hand holding the pen and other position information; it also receives the operator's touch gestures on the electronic whiteboard blackboard surface, automatically obtains the position movement data, converts it into a control signal, controls the start of the servo lifting mechanism, and realizes the adaptive electronic blackboard whiteboard to automatically move up and down in the vertical direction, automatically adapting to the wishes of the user teacher, and no longer needs the teacher to spend time and effort to pull the blackboard to adjust the height, so that the teacher is free from the trouble of raising his head and bending over, reduces the labor intensity, improves the teaching efficiency, and improves the educational effect.

[0064] 2. The adaptive intelligent electronic blackboard whiteboard teaching system of the present invention is additionally provided with an adaptive electronic blackboard whiteboard, which includes two mobile stabilizing devices that can ensure that the adaptive electronic blackboard whiteboard remains stable during the up and down movement, avoid shaking and swinging, ensure safety, and improve the adjustment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0065] Figure 1 It is a schematic diagram of the first embodiment of the adaptive intelligent electronic blackboard whiteboard teaching system of the present invention.

[0066] Figure 2 It is a schematic diagram of a second embodiment of the adaptive intelligent electronic blackboard whiteboard teaching system of the present invention.

[0067] Figure 3 It is a schematic diagram of a third embodiment of the adaptive intelligent electronic blackboard whiteboard teaching system of the present invention.

[0068] Figure 4It is a schematic diagram of the fourth embodiment of the adaptive intelligent electronic blackboard whiteboard teaching system of the present invention.

[0069] Figure 5 It is a structural schematic diagram of the self-adaptive intelligent electronic blackboard whiteboard of the present invention.

[0070] Figure 6 It is a structural schematic diagram of the electronic blackboard whiteboard of the present invention.

[0071] Figure 7 It is a structural schematic diagram of the servo lifting mechanism of the present invention.

[0072] Figure 8 It is a structural front view of the mobile stabilizing device of the present invention.

[0073] Fig. 9 It is a structural side view of the mobile stabilizing device of the present invention. DETAILED DESCRIPTION

[0074] See also Figures 1 to 9 , an adaptive intelligent electronic blackboard whiteboard teaching system, specifically has four embodiments.

[0075] like Figure 1 As shown, the first embodiment of the adaptive intelligent electronic blackboard whiteboard teaching system of the present invention comprises: an electronic whiteboard 1, two adaptive electronic blackboard whiteboards 2, an ultra-short-throw projector 3, an adaptive system control host 4, and an electronic eraser 5.

[0076] The electronic whiteboard 1 and two adaptive electronic blackboards 2 are installed on the wall in sequence along the horizontal direction.

[0077] The electronic whiteboard 1 is installed between two adaptive electronic blackboards 2 .

[0078] The two adaptive electronic blackboards 2 can move up and down along the vertical direction.

[0079] The ultra short throw projector 3 is electrically connected to the electronic whiteboard 1 .

[0080] The adaptive system control host 4 is electrically connected to the electronic whiteboard 1 and the two adaptive electronic blackboards 2 to control them.

[0081] The electronic blackboard eraser 5 is electrically connected to the adaptive system control host 4 .

[0082] like Figure 2 As shown, the second embodiment of the adaptive intelligent electronic blackboard whiteboard teaching system of the present invention comprises: two electronic whiteboards 1, an adaptive electronic blackboard whiteboard 2, two ultra-short-throw projectors 3, an adaptive system control host 4, and an electronic eraser 5.

[0083] Two electronic whiteboards 1 and an adaptive electronic blackboard 2 are installed on the wall in sequence along the horizontal direction.

[0084] The adaptive electronic blackboard whiteboard 2 is installed between the two electronic whiteboards 1 .

[0085] The adaptive electronic blackboard whiteboard 2 can move up and down along the vertical direction.

[0086] The two ultra short-throw projectors 3 are electrically connected to the two electronic whiteboards 1 respectively.

[0087] The adaptive system control host 4 is electrically connected to the two electronic whiteboards 1 and the adaptive electronic blackboard 2 respectively to control them.

[0088] The electronic blackboard eraser 5 is electrically connected to the adaptive system control host 4 .

[0089] like Figure 3 As shown, the third embodiment of the adaptive intelligent electronic blackboard whiteboard teaching system of the present invention includes an adaptive electronic blackboard whiteboard 2, an LCD touch-control large-screen display 6, an adaptive system control host 4, and an electronic eraser 5.

[0090] The adaptive electronic blackboard whiteboard 2 and the LCD touch-control large-screen display 6 are installed on the wall in sequence along the horizontal direction.

[0091] The LCD touch-control large-screen display 6 is installed on the left or right side of the adaptive electronic blackboard whiteboard 2 .

[0092] The adaptive electronic blackboard whiteboard 2 can move up and down along the vertical direction.

[0093] The adaptive system control host 4 is electrically connected to the adaptive electronic blackboard 2 and the LCD touch-control large-screen display 6 respectively to achieve control over them.

[0094] The electronic blackboard eraser 5 is electrically connected to the adaptive system control host 4 .

[0095] like Figure 4 As shown, the fourth embodiment of the adaptive intelligent electronic blackboard whiteboard teaching system of the present invention includes: two adaptive electronic blackboard whiteboards 2, an LCD touch-control large-screen display 6, an adaptive system control host 4, and an electronic eraser 5.

[0096] Two adaptive electronic blackboards 2 and a large LCD touch-screen display 6 are installed on the wall in sequence along the horizontal direction.

[0097] The LCD touch-control large-screen display 6 is installed in the middle of the adaptive electronic blackboard whiteboard 2 .

[0098] The adaptive electronic blackboard whiteboard 2 can move up and down along the vertical direction.

[0099] The adaptive system control host 4 is electrically connected to the two adaptive electronic blackboards 2 and the LCD touch-control large-screen display 6 respectively to achieve control over them.

[0100] The electronic blackboard eraser 5 is electrically connected to the adaptive system control host 4 .

[0101] like Figures 5 to 9 As shown, the self-adaptive electronic blackboard 2 in the above four embodiments comprises: an electronic blackboard 21, a servo lifting mechanism 23, two moving stabilizing devices 25, and an self-adaptive position controller (not shown).

[0102] The electronic blackboard whiteboard 21 includes a rectangular board body 211 , four frames 213 , four hooks 215 , and four corners 217 .

[0103] The front side of the plate body 211 is made of a green, white, grey or other colored enamel steel sheet or a spray-coated galvanized steel sheet as a panel, which is suitable for writing with chalk or other water-based pens, has a long service life and is maintenance-free.

[0104] Four frames 213 are installed on the four edges of the plate body 211 .

[0105] The four hooks 215 are respectively installed at the upper left, upper right, lower left and lower right of the back of the plate body 211. The four corners 217 are installed at the four corners of the plate body 211 and are respectively connected between two adjacent frames 213.

[0106] The servo lifting mechanism 23 includes a lifting device 231 , a supporting X-frame 233 , two supporting frames 235 , and four backplane hooks 237 .

[0107] The lifting device 231 includes two screw bases 2311 , a screw 2312 , a servo motor 2313 , and a screw guide block 2314 .

[0108] The two screw bases 2311 are installed and fixed on the wall in an aligned manner up and down along the vertical direction.

[0109] The screw rod 2312 is rotatably mounted on the two screw rod bases 2311 and is in a vertical direction.

[0110] The rotating shaft (not numbered) of the servo motor 2313 is connected to the screw rod 2312 .

[0111] The screw guide block 2314 is installed on the screw 2312 and can move up and down as the screw 2312 rotates forward and reverse.

[0112] After the servo motor 2313 is started, its rotating shaft drives the screw rod 2312 to rotate, and the screw rod guide block 2314 moves up and down along the screw rod 2312 .

[0113] The support X frame 233 includes two fixed support rods 2331 that cross into an X shape. The support X frame 233 is installed and fixed on the screw guide block 2314.

[0114] The support frame 235 is linear, and two support frames 235 are vertically mounted on the left and right sides of the support X frame 233 and fixed with screws.

[0115] The four backplane hooks 237 are respectively installed and fixed at the two end positions of the two support rods 2331 supporting the X-frame 233.

[0116] The four hooks 215 of the electronic blackboard 21 are respectively hung on the four backboard hooks 237 and fixed with screws.

[0117] The two mobile stabilizing devices 25 are respectively installed between the back side of the plate body 211 and the corresponding walls at symmetrical positions on the left and right sides.

[0118] The mobile stabilizing device 25 includes a base 251 , a guide wheel and guide rail 252 , a pulley 253 , a counterweight 254 , and a steel wire rope 255 .

[0119] The base 251 is installed and fixed on the wall.

[0120] The guide wheel rail 252 is fixed on the base 251 , and two guide wheels 2522 connected to the support frame 235 are provided on the guide wheel rail 252 .

[0121] The pulley 253 is installed on the top of the base 251 .

[0122] The counterweight 254 is movably installed inside the base 251 .

[0123] The steel wire rope 255 passes through the pulley 253 , one end of which is connected to the counterweight 254 , and the other end of which is connected to the supporting X-frame 233 .

[0124] The adaptive position control device (not shown) includes a plurality of adaptive position detection devices (not shown), an adaptive position controller (not shown), and a servo lifting drive device (not shown).

[0125] Several adaptive position detection devices (not shown) are installed in the four-side frame 213 and the four corners 217, which can detect the position of the object touching the board. The adaptive position detection device (not shown) recognizes the operator's gestures and voice, and detects the operator's body data (such as height, height of the hand holding the pen, etc.). Several adaptive position detection devices (not shown) simultaneously recognize the operator's touch gestures on the electronic whiteboard blackboard, obtain position movement data, convert it into a control signal, and transmit it to the adaptive position controller (not shown).

[0126] The adaptive position detection device (not shown) adopts the following technical solutions: infrared detection method, infrared optical scanning detection method, surface acoustic wave detection method, laser scanning detection method, interactive projection detection method, capacitance detection method, laser mine detection method, etc. The detected data is transmitted to the adaptive position controller through the interface.

[0127] The adaptive position controller (not shown) receives the operator's body data transmitted by the adaptive position detection device (not shown), obtains the position movement data, converts it into a control signal and transmits it to the servo lifting drive device (not shown). The adaptive position controller (not shown) also receives the operator's touch gestures on the adaptive electronic blackboard whiteboard 2, obtains the position movement data, converts it into a control signal and transmits it to the servo lifting drive device (not shown).

[0128] The servo lifting drive device (not shown) is electrically connected to the servo motor 2313. The servo lifting drive device (not shown) drives the servo motor 2313 according to the characteristics of the received control signal to complete the adaptive operation of the adaptive electronic blackboard 2 moving up and down in the vertical direction.

[0129] The adaptive position controller and adaptive system control host 4 described in the above embodiment include a computer host, audio power amplifier, video recording and playback, infrared remote control, WIFI, interface conversion and other hardware, as well as application software for the control system to realize various functions.

[0130] The electronic blackboard eraser 5 described in the above embodiment has the functions of erasing the writing on the blackboard and sending control codes by means of keys and gestures to realize the functions of modifying, deleting, changing pages, saving, and transmitting the writing on the blackboard.

[0131] In the above embodiment, the structure of the support X-frame 233 can be changed in many ways, such as a M-shaped support frame, a Feng-shaped support frame, a Wang-shaped support frame, a Tian-shaped support frame, an I-shaped support frame, etc., which can stably and reliably support the plate body 211 and be installed and fixed together with the screw guide block 2314.

[0132] In the above embodiment, a hook 215 may also be installed at the middle and lower part of the back side of the board body 211, so that the installation of the electronic blackboard 21 is more stable and reliable.

[0133] The present invention has the following beneficial effects:

[0134] 1. The adaptive intelligent electronic blackboard whiteboard teaching system of the present invention is provided with an adaptive electronic blackboard whiteboard 2, which includes a servo lifting mechanism 23 and an adaptive position control device (not shown). The adaptive position detection device in the adaptive position control device (not shown) can automatically detect the height of the user teacher, the height of the pen-holding hand and other position information, automatically obtain the position movement data and send a control signal, control the start of the servo lifting mechanism 23, so that the adaptive electronic blackboard whiteboard 2 can automatically move up and down in the vertical direction to adapt to the user teacher's wishes, and the user teacher no longer needs to spend time and effort to pull the blackboard to adjust the height, so that the teacher is free from the trouble of raising his head and bending over, reducing labor intensity, improving teaching efficiency, and improving teaching effect.

[0135] 2. The adaptive intelligent electronic blackboard whiteboard teaching system of the present invention is provided with an adaptive electronic blackboard whiteboard 2, which includes two mobile stabilization devices 25 to ensure that the adaptive electronic blackboard whiteboard 2 remains stable during the up and down movement, avoids shaking and swinging, ensures safety, and improves the adjustment effect.

[0136] 3. The self-adaptive intelligent electronic blackboard and whiteboard teaching system of the present invention is provided with an electronic eraser 5, which has the functions of erasing the writing on the blackboard and sending control codes by means of keys and gestures to realize the functions of modifying, deleting, changing pages, saving, and transmitting the writing on the blackboard.

Claims

1. An adaptive electronic blackboard whiteboard, characterized in that: It includes: Electronic blackboard whiteboard, servo lifting mechanism, adaptive position control device; The electronic blackboard whiteboard includes a rectangular board body, four frames, a number of hooks, and four corners; Four frames are installed on the edges of the board body; A plurality of hooks are respectively installed on the back side of the plate body; The four corners are installed at the four corners of the board body and are respectively connected between two adjacent frames; The servo lifting mechanism includes a lifting device, a support frame, and a plurality of back plate hooks; The lifting device includes two screw bases, a screw, a servo motor, and a screw guide block; The two screw bases are installed and fixed in an aligned manner up and down along the vertical direction; The screw rod is rotatably mounted on two screw rod bases and is in a vertical direction; The rotating shaft of the servo motor is connected to the screw; The screw guide block is installed on the screw and can move up and down with the forward and reverse rotation of the screw; The support frame is installed and fixed on the screw guide block; A plurality of back panel hooks are respectively installed and fixed on the support frame; Several hooks of the electronic blackboard are hung on several backboard hooks respectively and fixed with screws; The adaptive position control device includes a plurality of adaptive position detection devices, an adaptive position controller, and a servo lifting drive device; Several adaptive position detection devices are installed in the four sides and four corners; the adaptive position detection devices recognize the operator's touch gestures on the electronic whiteboard blackboard, obtain position movement data, convert it into control signals, and transmit it to the adaptive position controller The adaptive position controller receives the operator's body data transmitted by the adaptive position detection device, obtains the position movement data, and converts it into a control signal to transmit to the servo lifting drive device; The adaptive position controller also receives the operator's touch gestures on the electronic whiteboard and blackboard, obtains the position movement data, converts it into a control signal, and transmits it to the servo lifting drive device; The servo lifting drive device is electrically connected to the servo motor; the servo lifting drive device drives the servo motor according to the characteristics of the received control signal to realize the adaptive electronic blackboard whiteboard to move up and down in the vertical direction. The servo lifting mechanism also includes two support frames, which are linear sliding frames, and the two support frames are vertically installed on the left and right sides of the support frame and fixed with screws; The adaptive electronic blackboard whiteboard also includes two mobile stabilizing devices, which are respectively installed at symmetrical positions on the left and right sides of the back of the board body; The mobile stabilizing device includes a base, a guide wheel rail, a pulley, a counterweight, and a steel wire rope; The base is installed and fixed on the wall; The guide wheel guide rail is fixed on the base, and two guide wheels connected to the support frame are arranged on the guide wheel guide rail; The pulley is mounted on the top of the base; The counterweight is movably mounted inside the base; The wire rope passes through the pulley, one end of which is connected to the counterweight and the other end is connected to the support frame; The support frame comprises two fixed support rods which cross into an X shape.

2. The adaptive electronic blackboard whiteboard according to claim 1, characterized in that: The front side of the board body is made of green, white or grey enameled thin steel plate or spray-coated galvanized thin steel plate as the panel.

3. The adaptive electronic blackboard whiteboard according to claim 1, characterized in that: The electronic blackboard whiteboard includes a plurality of the above-mentioned hooks, which are respectively installed on the upper left, upper right, lower left, lower right and middle of the back of the board body; The servo lifting mechanism comprises a plurality of the above-mentioned backplane hooks, and the backplane hooks are respectively installed and fixed on the supporting frame.

4. An adaptive intelligent electronic blackboard whiteboard teaching system comprising the adaptive electronic blackboard whiteboard according to any one of claims 1 to 3, characterized in that: The adaptive intelligent electronic blackboard and whiteboard teaching system comprises an electronic whiteboard, two adaptive electronic blackboards and whiteboards, an ultra-short-throw projector, an adaptive system control host, and an electronic eraser; The electronic whiteboard and two adaptive electronic blackboards are installed on the wall in sequence along the horizontal direction; The electronic whiteboard is installed between two adaptive electronic blackboard whiteboards; Two adaptive electronic blackboards can move up and down in the vertical direction; The ultra short throw projector is electrically connected to the electronic whiteboard; The adaptive system control host is electrically connected to the electronic whiteboard and two adaptive electronic blackboards to control them; The electronic blackboard eraser is electrically connected to the adaptive system control host.

5. An adaptive intelligent electronic blackboard whiteboard teaching system comprising the adaptive electronic blackboard whiteboard according to any one of claims 1 to 3, characterized in that: The adaptive intelligent electronic blackboard whiteboard teaching system comprises two electronic whiteboards, one adaptive electronic blackboard whiteboard, two ultra-short-throw projectors, an adaptive system control host, and an electronic eraser; Two electronic whiteboards and an adaptive electronic blackboard are installed on the wall in sequence along the horizontal direction; The adaptive electronic blackboard whiteboard is installed in the middle of two electronic whiteboards; The adaptive electronic blackboard whiteboard can move up and down along the vertical direction; Two ultra-short-throw projectors are electrically connected to two electronic whiteboards respectively; The adaptive system control host is electrically connected to the two electronic whiteboards and the adaptive electronic blackboard whiteboard to realize the control of them; The electronic blackboard eraser is electrically connected to the adaptive system control host.

6. An adaptive intelligent electronic blackboard whiteboard teaching system comprising the adaptive electronic blackboard whiteboard according to any one of claims 1 to 3, characterized in that: The adaptive intelligent electronic blackboard whiteboard teaching system comprises an adaptive electronic blackboard whiteboard, an LCD touch-control large-screen display, an adaptive system control host, and an electronic eraser; An adaptive electronic blackboard and a large LCD touch screen display are installed on the wall in sequence along the horizontal direction; LCD touch screen display is installed on the left or right side of the adaptive electronic blackboard whiteboard; The adaptive electronic blackboard whiteboard can move up and down along the vertical direction; The adaptive system control host is electrically connected to the adaptive electronic blackboard and the LCD touch-control large-screen display to realize the control of them; The electronic blackboard eraser is electrically connected to the adaptive system control host.

7. An adaptive intelligent electronic blackboard whiteboard teaching system comprising the adaptive electronic blackboard whiteboard according to any one of claims 1 to 3, characterized in that: The adaptive intelligent electronic blackboard whiteboard teaching system comprises two adaptive electronic blackboard whiteboards, an LCD touch-screen large display, an adaptive system control host, and an electronic eraser; Two adaptive electronic blackboards and LCD touch-screen displays are installed on the wall in sequence along the horizontal direction; The LCD touch-screen display is installed between two adaptive electronic blackboards; The adaptive electronic blackboard whiteboard can move up and down along the vertical direction; The adaptive system control host is electrically connected to two adaptive electronic blackboards and LCD touch-screen displays to control them; The electronic blackboard eraser is electrically connected to the adaptive system control host.

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