CN211180779U

CN211180779U - Intelligent whiteboard

Info

Publication number: CN211180779U
Application number: CN201920631017.5U
Authority: CN
Inventors: 叶文新
Original assignee: Shenzhen Hengkaiyuan Electronics Co ltd
Current assignee: Shenzhen do true scientific research Co.,Ltd.
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-08-04
Anticipated expiration: 2029-04-30

Abstract

The utility model discloses an intelligent whiteboard, include: the writing area comprises a whiteboard body and a signal acquisition device arranged in the whiteboard body, and the signal acquisition device is used for acquiring an induction signal at the whiteboard body; the processing area is arranged at one side of the writing area and comprises a shell, a first control circuit, a wireless communication device and a first power supply battery, wherein the first control circuit, the wireless communication device and the first power supply battery are arranged in the shell, the first control circuit is respectively electrically connected with the signal acquisition device, the wireless communication device and the first power supply battery, and the first control circuit is used for obtaining writing of the whiteboard body according to the sensing signal acquired by the signal acquisition device and sending the writing to the intelligent terminal through the wireless communication device. This intelligence blank can send the handwriting for intelligent terminal, and the training person can acquire the teaching content note through intelligent terminal, need not manual record, and it need not to dispose scanner etc. and scans the handwriting, has reduced the configuration cost.

Description

Intelligent whiteboard

Technical Field

The utility model relates to a teaching equipment technical field especially relates to an intelligent whiteboard.

Background

At present, during teaching training or commercial training, the recording of teaching contents is generally performed by adopting paper, chalk and a blackboard, a whiteboard pen and a rigid whiteboard or a displayable writing electronic screen television, and when the written teaching contents need to be distributed to each trainer for subsequent learning, the modes of hand-writing, photographing or electronic scanning and printing distribution can be generally adopted, and the traditional modes break away from the requirements of the efficiency and the benefit of the current teaching.

Although the electronic screen television with electronic display writing or the whiteboard with scanning equipment can enable trainers to send data to each trainer in an electronic transmission mode without manually copying teaching contents, the products are inconvenient to modify the taught teaching contents in time in the teaching process and use, the manufacturing cost of the products is high, the selling price is higher, and many medium and small training institutions or enterprises often give up purchasing the products due to the problem of price.

In view of the above, there is a need for an intelligent whiteboard that facilitates distribution of written teaching content to trainers and is inexpensive to configure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a can conveniently distribute the teaching content who writes to the training person and the lower intelligent blank of configuration cost is provided.

In order to solve the technical problem, the utility model discloses a following technical scheme. An intelligent whiteboard, comprising: the writing area comprises a whiteboard body and a signal acquisition device arranged in the whiteboard body, and the signal acquisition device is used for acquiring an induction signal at the whiteboard body; the processing area is arranged at one side of the writing area and comprises a shell, a first control circuit, a wireless communication device and a first power supply battery, wherein the first control circuit, the wireless communication device and the first power supply battery are arranged in the shell, the first control circuit is electrically connected with the signal acquisition device, the wireless communication device and the first power supply battery respectively, and the first control circuit is used for obtaining the writing handwriting at the whiteboard body according to the sensing signal acquired by the signal acquisition device and sending the writing handwriting to the intelligent terminal through the wireless communication device.

Further, the whiteboard body comprises a whiteboard film, a bottom plate and a fixed frame, the signal acquisition device comprises an electromagnetic induction plate, and the electromagnetic induction plate is arranged between the whiteboard film and the bottom plate to receive electromagnetic wave signals in an induction manner.

Further, the whiteboard body comprises a whiteboard film, a bottom plate and a fixed frame, the signal acquisition device comprises two optical cameras, and the two optical cameras are respectively fixed on the upper left corner and the upper right corner of the fixed frame and are intersected with the optical axis of the optical cameras.

The utility model has the beneficial technical effects that: this intelligence whiteboard passes through signal acquisition device and acquires the sensing signal of whiteboard body department and sends sensing signal for first control circuit, first control circuit obtains the writing handwriting of whiteboard body department and will write the handwriting through wireless communication device and send for intelligent terminal according to the sensing signal who acquires, so, the training person can directly acquire the teaching content note through intelligent terminal, need not manually to take notes, be favorable to improving training efficiency, and need not to dispose the electronic scanning that the scanner etc. write the handwriting when this intelligence whiteboard uses, be favorable to reducing the configuration cost, satisfy the user demand.

Drawings

Fig. 1 is an assembly view of the structure of an embodiment of the present invention;

fig. 2 is an exploded view of an embodiment of the present invention;

fig. 3 is an enlarged structural explosion view of an intelligent whiteboard marker in an embodiment of the present invention;

fig. 4 is an enlarged view of the structure of the intelligent blackboard eraser according to an embodiment of the present invention;

fig. 5 is an exploded view of another embodiment of the present invention;

fig. 6 is an enlarged view of the structure of the intelligent whiteboard marker in another embodiment of the present invention;

fig. 7 is an enlarged view of the structure of the intelligent blackboard eraser in another embodiment of the present invention.

Detailed Description

In order to more fully understand the technical content of the present invention, the technical solution of the present invention will be further described and illustrated with reference to the schematic drawings, but not limited thereto.

As shown in fig. 1 and fig. 2, in this embodiment, the intelligent whiteboard 1 includes a writing area 10 and a processing area 11, where the writing area 10 includes a whiteboard body and a signal acquiring device disposed in the whiteboard body, and the signal acquiring device is used for acquiring a sensing signal at the whiteboard body; the processing area 11 is disposed at one side of the writing area 10, the processing area 11 includes a housing 110, and a first control circuit, a wireless communication device and a first power supply battery 112 disposed in the housing 110, the first control circuit is electrically connected to the signal acquiring device, the wireless communication device and the first power supply battery 112, respectively, and the first control circuit is configured to obtain writing traces on the whiteboard body according to the sensing signal acquired by the signal acquiring device and send the writing traces to the intelligent terminal through the wireless communication device. The first control circuit is usually disposed on a first circuit board 111.

In actual work, the intelligent whiteboard 1 is usually matched with an intelligent whiteboard pen 2 and an intelligent eraser 3 for use, wherein the intelligent whiteboard pen 2 correspondingly sends out a sensing signal when writing on a whiteboard body of the intelligent whiteboard 1, the intelligent whiteboard 1 obtains the sensing signal of the intelligent whiteboard pen 2 and then sends the sensing signal to a first control circuit, and the first control circuit processes and analyzes the obtained sensing signal to obtain track information which is written on the whiteboard body by the intelligent whiteboard pen 2 in real time and converts the track information into corresponding writing handwriting; similarly, the intelligent board eraser 3 can correspondingly send out a sensing signal when erasing on the white board body of the intelligent white board 1, the intelligent white board 1 can send to the first control circuit after acquiring the sensing signal of the intelligent board eraser 3, the first control circuit processes and analyzes the acquired sensing signal to obtain track information which is erased on the white board body by the intelligent board eraser 3 in real time, and correspondingly deletes the previously-kept handwriting according to the erased track information, so as to ensure that the handwriting on the white board body is consistent with the handwriting obtained by the intelligent white board 1, and after the handwriting is processed, the first control circuit sends the handwriting to the intelligent terminal through the wireless communication device.

In an embodiment, as shown in fig. 1 to 4, the acquisition of handwriting at the whiteboard body is realized between the intelligent whiteboard 1 and the intelligent whiteboard pen 2 or the intelligent eraser 3 in an electromagnetic induction manner, and at this time, the induction signal is an electromagnetic wave signal.

Specifically, as shown in fig. 2, in this embodiment, the whiteboard body of the intelligent whiteboard 1 includes a whiteboard film 100, a bottom plate 101 and a fixing frame 102, the signal obtaining device includes an electromagnetic induction board 103, the electromagnetic induction board 103 is disposed between the whiteboard film 100 and the bottom plate 101, wherein the electromagnetic induction board 103 is usually fixed between the whiteboard film 100 and the bottom plate 101 through a glue-fixing film 104, the electromagnetic induction board 103 is composed of a plurality of X-axis antenna arrays arranged in parallel and a plurality of Y-axis antenna arrays arranged in parallel and staggered with the X-axis antenna arrays, the X-axis antenna arrays are connected with the first control circuit through an X-axis antenna connection circuit 105, the Y-axis antenna arrays are connected with the first control circuit through a Y-axis antenna connection circuit 106, and the electromagnetic induction board 103 is used for inducing and receiving electromagnetic wave signals.

As shown in fig. 3, in this embodiment, the intelligent whiteboard pen 2 used with the intelligent whiteboard 1 comprises a pen case, the pen case comprises a pen point 200 and a pen holder movably connected to the pen point 200, a pen nib 21 is disposed in the pen point 200, an elastic connecting member 22, an ink-absorbing cotton core 23, a first switch member, a first inductance coil 25, a second power supply battery 26 and a second control circuit are disposed in the pen holder, an upper end of the pen nib 21 is in contact connection with a lower end of the ink-absorbing cotton core 23 through the elastic connecting member 22, the first switch member, the first inductance coil 25 and the second power supply battery 26 are respectively in electrical connection with the second control circuit, the first switch member is in contact with the elastic connecting member 22, and the first switch member turns on the switch when the elastic connecting member 22 is pressed to operate the second control circuit, the first inductance coil 25 is disposed at a position close to the pen point 200 and controlled by the second control circuit to send out a first electromagnetic wave signal for the electromagnetic induction board 103 to receive the second electromagnetic wave signal And (6) taking. The pen nozzle 21 is usually a felt pen nozzle, and the second control circuit is disposed on a second circuit board.

When the intelligent whiteboard pen is used, the intelligent whiteboard pen 2 writes in the writing area 10 of the intelligent whiteboard 1, the ink absorption cotton core 23 continuously provides ink for the pen nozzle 21, the pen nozzle 21 can write ink writing on the whiteboard film 100, meanwhile, the pen nozzle 21 moves into the pen point 200 under stress during writing, the elastic connecting piece 22 is compressed along with the stress, the first switch piece is triggered to be opened at the moment, the second control circuit is communicated for working, and the second control circuit controls the first inductance coil 25 to send out a first electromagnetic wave signal; this first electromagnetic wave signal is received in the response of the electromagnetic induction board 103 among the intelligence whiteboard 1 and first electromagnetic wave signal transmission to first control circuit with receiving, and first control circuit acquires writing according to first electromagnetic wave signal processing analysis and sends writing for intelligent terminal through wireless communication device, and the writing that so accessible intelligent terminal directly looked over the user and write through intelligent whiteboard pen 2.

As shown in fig. 3, in this embodiment, a clamping plate is disposed in the pen holder of the intelligent whiteboard pen 2 at a position corresponding to the elastic connecting piece, and the clamping plate can be penetrated by the blotting cotton core 23; the elastic connecting piece 22 comprises a connecting piece and a first spring 220, the connecting piece comprises a connecting plate 221, a first bump 222 arranged on the upper end face of the connecting part and a first cylindrical sleeve 223 arranged on the upper end face of the connecting part and capable of being sleeved with an ink absorption cotton core 23 are arranged on the connecting plate 221, a second cylindrical sleeve 224 used for being sleeved with the fixed pen nib 21 is arranged on the lower end face of the connecting plate 221, the first bump 222 is arranged at the side of the first cylindrical sleeve 223, the first cylindrical sleeve 223 is communicated with the second cylindrical sleeve 224, one end of the first spring 220 is sleeved in the first cylindrical sleeve 223, and the other end of the first spring 220 is clamped on a clamping plate in the pen holder; the first switch member is a first microswitch 24, the first microswitch 24 is fixed above the first bump 222, and the reed of the first microswitch 24 contacts with the first bump 222 to trigger the first microswitch 24 to be in contact conduction when the first bump 222 moves upwards along with the compression of the elastic connecting member 22. In this embodiment, the first microswitch 24 is fixedly welded on the second circuit board, and the second circuit board passes through the card board in the pen barrel so that the first microswitch 24 is fixed above the first bump 222.

When the intelligent whiteboard pen 2 does not write, the first bump 222 on the connecting part is in contact with the reed of the first microswitch 24 but is not extruded, and the first microswitch 24 is not turned on; when writing, the pen nib 21 is pressed to move into the pen point 200, at this time, the connecting member moves inward, the first spring 220 is compressed by force, meanwhile, the first protrusion 222 touches and presses the reed of the first microswitch 24, the first microswitch 24 is turned on, and the second control circuit is switched on to control the first inductance coil 25 to send out a first electromagnetic wave signal.

In this embodiment, as shown in fig. 3, the first inductance coil 25 in the intelligent whiteboard pen 2 is sleeved and fixed on the second cylindrical sleeve 224, so that the first inductance coil 25 is close to the pen nozzle 21, and the first electromagnetic plate signal emitted by the first inductance coil during operation is stronger, which is beneficial for the intelligent whiteboard 1 to receive.

In other embodiments, a clamping plate is arranged in the pen holder of the intelligent whiteboard pen 2 at a position corresponding to the elastic connecting piece, and the clamping plate can be penetrated by the ink absorption cotton core 23; the elastic connecting piece 22 comprises a connecting piece and a first spring 220, the connecting piece comprises a connecting plate 221, a first bump 222 arranged on the upper end face of the connecting part and a first cylindrical sleeve 223 arranged on the upper end face of the connecting part and capable of being sleeved with an ink absorption cotton core 23 are arranged on the connecting plate 221, a second cylindrical sleeve 224 used for being sleeved with the fixed pen nib 21 is arranged on the lower end face of the connecting plate 221, the first bump 222 is arranged at the side of the first cylindrical sleeve 223, the first cylindrical sleeve 223 is communicated with the second cylindrical sleeve 224, one end of the first spring 220 is sleeved in the first cylindrical sleeve 223, and the other end of the first spring 220 is clamped on a clamping plate in the pen holder; the first switch element includes a first conductive silica gel and a switch circuit board, the first conductive silica gel is fixed on the first bump 222, the switch circuit board is provided with a first switch circuit and a first switch pad electrically connected with the first switch circuit, the switch circuit board is fixed on the first conductive silica gel so that the first conductive silica gel contacts the first switch pad when moving upwards along with the compression of the elastic connecting element 22 to conduct the switch circuit.

When the intelligent whiteboard pen 2 does not write, the first conductive silica gel on the first bump 222 is not in contact with the first switch pad, and the first switch circuit is not conducted; when writing, the pen nib 21 is pressed to move into the pen point 200, at this time, the connecting member moves inward, the first spring 220 is compressed by force, meanwhile, the first conductive silica gel on the first bump 222 contacts the first switch pad, the first switch circuit is turned on, and the second control circuit is turned on to control the first inductance coil 25 to send out the first electromagnetic wave signal.

Because the ink can be less and less after intelligence whiteboard pen 2 uses for a long time, for convenient adding the ink for intelligence whiteboard pen 2, as shown in fig. 3, set up a pinhole with the up end intercommunication of blotting cotton core 23 on the up end of intelligence whiteboard pen 2's the pen-holder, so, this pinhole of accessible makes intelligence whiteboard pen 2 use for a long time for intelligence whiteboard pen 2 adds the ink.

In order to prevent ink from leaking out of the needle hole, as shown in fig. 3, a silicone sleeve 27 with a through hole in the middle is usually disposed between the needle hole of the intelligent whiteboard pen 2 and the blotting cotton core 23. When ink is injected, the through hole in the silicone sleeve 27 can be used for the inserted needle to pass through and to contact with the ink absorption cotton core 23 for ink injection, and after the water injection is completed, the through hole in the silicone sleeve 27 is almost closed, so that the ink can be effectively prevented from volatilizing or overflowing when the ink is inverted.

In this embodiment, as shown in fig. 3, the second power supply battery 26 in the intelligent whiteboard pen 2 is fixed at the upper end of the blotting cotton core 23 through a mounting seat 29, the mounting seat 29 comprises a base 290 contacting with the upper end face of the blotting cotton core 23, and the base 290 is provided with a battery clamping seat 291 for fixing the battery and a hollow column 292 for communicating the pinhole with the upper end face of the blotting cotton core 23.

In addition, because the intelligent whiteboard 1 is relatively large, and some teaching contents need to be indicated to a trainer in the teaching process, for convenience of indication, in this embodiment, as shown in fig. 3, a laser emitter 280 and a laser switch 281 are further disposed in the pen casing of the intelligent whiteboard pen 2, a position on the pen casing corresponding to the laser emitter 280 is provided with an irradiation port, the laser switch 281 is disposed on the pen shaft, the laser emitter 280 is fixed in the laser mounting seat 293 on the mounting seat 29, and the laser emitter 280 and the laser switch 281 are electrically connected with the first control circuit respectively to emit laser. When needing to instruct, accessible laser switch 281 opens laser emitter 280, and laser emitter 280 can send a bundle of laser irradiation when intelligent whiteboard 1, so, the training person can clearly know the content that the teacher pointed, convenient study.

In this application, this intelligence whiteboard pen 2 designs into cylindricly usually, and its easy landing causes the damage when using or placing, for conveniently holding and placing, usually, cuts into plane with laser switch 281 place face, so, all is difficult for appearing the landing when holding or placing.

In addition, in order to prevent ink from leaking, a sealing rubber ring 203 is usually provided at the junction of the pen barrel and the pen tip 200, as shown in fig. 3.

In this application, the pen holder of the intelligent whiteboard pen 2 generally includes a pen cap 202 and a pen holder body 201, the pen cap 202 is movably connected with the pen holder body 201, and the needle hole is opened on the pen cap 202. In some embodiments, the cap 202 is movably connected to the pen holder 201 by a screw, and in order to facilitate opening the cap 202, a groove for receiving a rotating tool to rotate the cap 202 is formed inward in the middle of the upper end surface of the cap 202, and the groove may be designed as a straight groove for receiving a coin, so that the cap 202 can be rotated by the coin, which is simple and convenient.

In order to facilitate the placement of the intelligent whiteboard marker 2, in this embodiment, as shown in fig. 1, at least one recessed pen holder 1100 for placing the intelligent whiteboard marker 2 is formed at the upper surface of the housing 110 of the intelligent whiteboard 1. Therefore, the intelligent whiteboard pen 2 can be directly placed in the pen holder 1100 when not in use, and the loss caused by messy placement is avoided. In this embodiment, when the intelligent whiteboard pen 2 is placed in the pen holder 1100, the pen nozzle 21 of the intelligent whiteboard pen 2 is sleeved inside the pen holder 1100, and the pen nozzle 21 is not directly exposed in the air, so that the ink in the ink absorption cotton core 23 is prevented from volatilizing through the pen nozzle 21.

In this embodiment, in order to more conveniently and intelligently add ink to the intelligent whiteboard pen 2 placed in the pen holder 1100, as shown in fig. 2, a water filling port is formed in the housing 110 of the intelligent whiteboard 1 corresponding to the upper end of the pen holder 1100, a water filling system is disposed in the housing 110, the water filling system includes an ink bottle 114, a peristaltic pump 115 and a water filling device 116, the mouth of the ink bottle 114 is connected to the water inlet of the peristaltic pump 115, the peristaltic pump 115 is electrically connected to the first control circuit and controlled by the first control circuit to control water discharge, the water filling device 116 includes a fixed shell 1160, a needle 1161 movably disposed in the fixed shell 1160, a stepping motor disposed in the fixed shell 1160 and used for controlling the needle 1161 to move back and forth, a gear fixed to the output end of the stepping motor and a rack engaged with the gear, one end of the needle 1161 is communicated with the water outlet of the peristaltic pump 115 through a conduit, and the needle 1161 is fixed to one end of the rack, the other end of the needle 1161 is correspondingly arranged at the position of the water filling opening, the stepping motor is electrically connected with the first control circuit and controlled by the first control circuit to work, and the gear drives the rack to move so that the needle 1161 fixed on the rack extends out of the water filling opening or retracts into the fixed shell 1160 from the water filling opening.

Therefore, when the intelligent whiteboard pen 2 is placed at the pen holder 1100, ink can be added to the intelligent whiteboard pen 2 through the water injection system in the intelligent whiteboard 1. In the actual product, preset writing time or preset writing data volume have usually been preset in the intelligence whiteboard 1, when first control circuit detected and judged that the accumulated writing time of intelligence whiteboard pen 2 reached to preset writing time or judged that the accumulated writing data volume of intelligence whiteboard pen 2 reached to preset writing data volume, first control circuit thought that it need add the ink for intelligence whiteboard pen 2, at this moment, first control circuit can wait for intelligence whiteboard pen 2 to place and control the water injection system again and open the work water injection behind pen stand 1100, when injecting the ink, intelligence whiteboard pen 2 is fixed in pen stand 1100, the syringe needle 1161 of intelligence whiteboard 1 department inserts and accomplishes the interpolation of ink from the pinhole department of intelligence whiteboard pen 2, and is simple and convenient to use. The writing data amount refers to the ink usage amount corresponding to the writing handwriting of the intelligent whiteboard pen 2 calculated by using a fuzzy algorithm, and the accumulated writing data amount refers to the accumulated writing data amount of the intelligent whiteboard pen 2 each time, so that the accumulated ink usage amount of the intelligent whiteboard pen 2 can be obtained, and the ink can be supplemented in time when the ink is insufficient.

In order to conveniently detect whether the intelligent whiteboard marker 2 is placed in the pen holder 1100, as shown in fig. 2, a trigger switch is further arranged at the position of the pen holder 1100 of the intelligent whiteboard marker 1, a trigger piece is arranged at the position of the intelligent whiteboard marker 2 corresponding to the trigger switch, when the intelligent whiteboard marker 2 is placed in the pen holder 1100, the trigger piece contacts with the trigger switch, the trigger switch feeds a trigger signal back to the first control circuit, and the first control circuit judges according to the trigger signal that the intelligent whiteboard marker 2 is currently placed in the pen holder 1100. In practical products, as shown in fig. 3, the trigger switch on the intelligent whiteboard pen 1 is a metal inductive switch, and the trigger on the intelligent whiteboard pen 2 is a metal ferrule 204 disposed on the pen casing.

In addition, the situation that the electric quantity is insufficient can appear after the intelligent whiteboard pen 2 is used for a long time, so that the use is influenced, for the convenience of charging the intelligent whiteboard 1, the second power supply battery 26 of the intelligent whiteboard pen 2 is realized by adopting a first wireless charging battery, and meanwhile, a first wireless charger is further arranged at the position corresponding to the pen holder 1100 in the shell 110 of the intelligent whiteboard 1. So, when intelligent whiteboard pen 2 placed in pen stand 1100, the first wireless charger of 1 department of intelligence whiteboard can charge for the first wireless rechargeable battery in intelligent whiteboard pen 2, makes intelligent whiteboard pen 2 keep the electric quantity sufficient, facilitates the use.

Of course, in other embodiments, the second power supply battery 26 in the intelligent whiteboard pen 2 may also be implemented by using a common rechargeable battery or a replaceable button battery, and the like, where the user needs to timely recharge or replace the battery of the intelligent whiteboard pen 2.

In the teaching and training process, places needing to be modified are avoided, and at the moment, handwriting on the whiteboard film 100 needs to be modified, and the handwriting obtained by the first control circuit needs to be modified synchronously, so that a trainer can conveniently consult or review the handwriting. For this purpose, the intelligent whiteboard 1 is provided with an intelligent eraser 3, as shown in fig. 4, the intelligent eraser 3 comprises an eraser shell, a first sponge eraser 31, a movable connector 32, a second inductance coil 33, a second switch, a third power supply battery 35 and a third control circuit, the eraser shell is provided with a mounting opening, one end of the first sponge eraser 31 is disposed outside the eraser shell, the other end of the first sponge eraser 31 is fixed in the mounting opening through the movable connector 32, the second inductance coil 33, the second switch and the third power supply battery 35 are electrically connected to the third control circuit, respectively, the second switch contacts with the movable connector 32 and turns on the switch when the movable connector 32 is pressed to operate the third control circuit, and the second inductance coil 33 is disposed in the first sponge 31 and controlled by the third control circuit to emit a second electromagnetic wave signal for the magnetic induction board 103 to receive and acquire.

When the intelligent blackboard eraser is used, the intelligent blackboard eraser 3 is erased in the writing area 10 of the intelligent whiteboard 1, at the moment, the first sponge eraser 31 in the intelligent blackboard eraser 3 is pressed downwards under stress, the movable connecting piece 32 is pressed downwards under stress, the first sponge eraser 31 can erase ink handwriting on the whiteboard film 100, the movable connecting piece 32 is pressed downwards to trigger the second switch piece to be opened, the third control circuit is communicated to work, and the third control circuit controls the second inductance coil 33 to send out a second electromagnetic wave signal; the electromagnetic induction board 103 in the intelligent whiteboard 1 receives the second electromagnetic wave signal in an induction mode and sends the received second electromagnetic wave signal to the first control circuit, the first control circuit processes and analyzes the second electromagnetic wave signal to obtain the erasing track of the intelligent blackboard eraser 3 and modifies the stored handwriting before the erasing track, so that the handwriting on the whiteboard film 100 is consistent with the handwriting obtained by processing the first control circuit in output, the modified handwriting is sent to the intelligent terminal through the wireless communication device, and the modified handwriting can be directly checked through the intelligent terminal.

As shown in fig. 4, in this embodiment, the second switch component of the intelligent board eraser 3 includes a second switch circuit disposed on a third circuit board 34, two second switch pads electrically connected to the second switch circuit, and two second conductive silicone; the movable connector 32 includes a movable plate 320 and a fixed plate 321, one end surface of the movable plate 320 is fixedly connected with the first sponge eraser 31, the other end surface of the movable plate 320 is provided with a plurality of hooks 3200, and a plurality of second springs 322 are arranged between the end surface and the fixed plate 321; a fastening hole 3210 for the hook 3200 to penetrate and fix is formed at a position on the fixing plate 321 corresponding to the hook 3200, the fixing plate 321 is fixed on the mounting hole, the other end surface of the fixing plate 321 is fixedly connected with the third circuit board 34, and a mounting hole is formed at a position on the fixing plate 321 corresponding to the second switch pad, an elastic silica gel 3211 is movably disposed in the mounting hole, the elastic silica gel 3211 includes a rim portion and a protruding portion extending outward from the rim portion, the rim portion is disposed on the end surface of the fixing plate 321 close to the third circuit board 34, the protruding portion penetrates through the mounting hole and protrudes out of the end surface of the fixing plate 321 close to the movable plate 320, the second conductive silica gel is fixed in the protruding portion of the elastic silica gel 3211 and does not protrude out of the rim portion, the second conductive silicone is used for contacting the second switch pad to open the second switch circuit when the movable plate 320 is pressed to move towards the fixed plate 321 and disconnecting the second switch circuit when the movable plate 320 is far away from the fixed plate 321. When the second conductive silica gel is fixed in the convex part of the elastic silica gel 3211, if no external force is applied to extrude the convex part of the elastic silica gel 3211, the second conductive silica gel is away from the edge part of the elastic silica gel 3211 by a certain distance; if there is external force extrusion elastic silica gel 3211's bulge, the second electrically conductive silica gel will move to elastic silica gel 3211's border portion until flush with border portion or even bulge in border portion, and when external force relieved the back, the bulge automatically drives the second electrically conductive silica gel to resume to the normal position under self elastic action.

In this application, the third circuit board 34 may include only the second switch circuit, or may include a third control circuit and a second switch circuit of the intelligent eraser 3.

In other embodiments, more or fewer second switch pads and corresponding second conductive silicone gel may be provided to make or break contact with the second switch pads.

In this embodiment, the four second springs 322 are disposed between the movable plate 320 and the fixed plate 321, one end of each of the four second springs 322 is sleeved in the spring sleeve 3201 on the movable plate 320, and the other end of each of the four second springs 322 contacts with the bottom surface of the fixed plate 321, so that the second springs 322 are well fixed and are not easy to fall off. In addition, a first wiping cloth 36 is fixed on the first sponge wiper 31, and the surface of the first wiping cloth 36 is relatively smooth and is not easy to scratch the whiteboard film 100.

When the intelligent eraser 3 does not erase handwriting, under the elastic action of the second spring 322 between the movable plate 320 and the fixed plate 321, the movable plate 320 is far away from the fixed plate 321, at this time, the elastic silica gel 3211 in the fixed plate 321 is not extruded, the second conductive silica gel is not in contact with the second switch pad, and at this time, the second switch circuit is in a disconnected state; when erasing, the first sponge eraser 31 is pressed to move inward, the movable plate 320 is pressed to move inward, at this time, the second spring 322 between the movable plate 320 and the fixed plate 321 is compressed, the movable plate 320 is close to the fixed plate 321, the protruding portion of the elastic silica gel 3211 on the fixed plate 321 is pressed, the second conductive silica gel moves to the second switch pad and contacts with the second switch pad along with the pressing of the elastic silica gel 3211, the second switch circuit is turned on, and the third control circuit is turned on to control the second inductor 33 to send out the second electromagnetic wave signal.

As shown in fig. 4, in this embodiment, the whole structure of the movable plate 320 and the fixed plate 321 is larger than the mounting opening, the movable plate 320 and the fixed plate 321 are disposed in the mounting opening, and a pressing block protruding and used for pressing the movable plate 320 and the fixed plate 321 is disposed in the eraser housing at a position corresponding to the fixed plate 321, so that the movable plate 320 and the fixed plate 321 can be fixed in the mounting opening without using fasteners such as screws. Of course, in other embodiments, the movable plate 320 and the fixed plate 321 may be fixed in the mounting opening by other methods.

In other embodiments, the movable connector 32 in the intelligent board wiper 3 includes a movable plate 320 and a fixed plate 321, a plurality of hooks 3200 and a second bump are disposed on an end surface of the movable plate 320 close to the fixed plate 321, a plurality of second springs 322 are disposed on an end surface of the movable plate 320 close to the fixed plate 321, a fastening hole 3210 for the hooks 3200 to penetrate and fix is disposed at a position on the fixed plate 321 corresponding to the hooks 3200, a through hole for the second bump to penetrate is disposed at a position on the fixed plate 321 corresponding to the second bump, the other end surface of the movable plate 320 is fixedly connected to the first sponge wiper 31, and the fixed plate 321 is fixed to the mounting hole; the second switch is a second micro switch, the second micro switch is fixed on the fixed plate 321 through a mounting plate, and a reed of the second micro switch contacts with the second bump, so that when the movable plate 320 moves towards the fixed plate 321, the second bump touches and presses the reed to open the second micro switch, and when the movable plate 320 moves away from the fixed plate 321, the second bump releases the reed to turn off the second micro switch.

When the intelligent blackboard eraser 3 is not used for erasing handwriting, under the elastic action of the second spring 322 between the movable plate 320 and the fixed plate 321, the second bump is only contacted with the reed of the second microswitch but does not have the action of force, and the reed cannot be pressed down to switch on the second microswitch; when erasing, the first sponge eraser 31 is pressed to move inward, the movable plate 320 is pressed to move inward, at this time, the second spring 322 between the movable plate 320 and the fixed plate 321 is compressed, the second bump on the movable plate 320 is compressed to the reed contacted therewith, the second microswitch is contacted and conducted, the third control circuit is switched on to operate to control the second inductance coil 33 to send out the second electromagnetic wave signal.

In this embodiment, as shown in fig. 4, the intelligent eraser 3 is a cuboid, and is convenient to hold. The eraser shell of the intelligent eraser 3 comprises a bottom shell 300 and an upper cover 301 covering the bottom shell 300, the bottom shell 300 is surrounded by a bottom surface, a side inclined plane and a side surface, and the mounting opening is arranged on the side inclined plane.

In order to erase the handwriting on the whiteboard film 100 without modifying the electronic version of the handwriting processed by the intelligent whiteboard 1, in this embodiment, as shown in fig. 4, a second sponge eraser 37 is further disposed on the bottom surface of the intelligent board eraser 3, and the second sponge eraser 37 has the same function as the ordinary board eraser, and can only be used for erasing the handwriting on the whiteboard film 100, but cannot simultaneously modify the electronic version of the handwriting processed by the intelligent whiteboard 1. In addition, a second wiper 39 is fixed on the second sponge wiper 37, and the surface of the second wiper 39 is relatively smooth and is not easy to scratch the whiteboard film 100.

In order to conveniently place the intelligent eraser 3, in this embodiment, as shown in fig. 2 and 4, an eraser seat 1101 is further formed at the upper surface of the housing 110 of the intelligent whiteboard 1, a first magnet is disposed on the eraser seat 1101, and a second magnet 38 attracted to the first magnet is disposed in the intelligent eraser 3, so that the intelligent eraser 3 can be placed in the eraser seat 1101 and can be fixed by attraction between the magnets, and is not easily lost. In this embodiment, the second magnet 38 is disposed in the second sponge wipe 37.

Because the situation that the electric quantity is insufficient can appear after the intelligent eraser 3 is used for a long time to influence the use, for conveniently charging the intelligent eraser 3, the third power supply battery 35 of the intelligent eraser 3 is realized by adopting a second wireless charging battery, and meanwhile, a second wireless charger is also arranged at the position corresponding to the eraser seat 1101 in the shell 110 of the intelligent whiteboard 1. So, when the intelligent blackboard eraser 3 is placed in the blackboard eraser seat 1101, the second wireless charger at the intelligent whiteboard 1 can charge the second wireless charging battery in the intelligent blackboard eraser 3, and the normal use of the intelligent blackboard eraser 3 is ensured.

Of course, in some other embodiments, the third power supply battery 35 in the intelligent board eraser 3 may also be implemented by a common rechargeable battery or a replaceable button battery, and at this time, the user needs to charge the intelligent board eraser 3 or replace the battery in time, and the third power supply battery 35 is usually fixed in the board eraser shell through a battery fixing seat 350.

In another embodiment, similar to the embodiment shown in fig. 1 and fig. 2, as shown in fig. 5 to fig. 7, the intelligent whiteboard 5 includes a writing area 40 and a processing area 41, wherein, the writing area 40 includes a whiteboard body and a signal acquiring device disposed on the whiteboard body, and the signal acquiring device acquires the sensing signal at the whiteboard body; a processing area 41, the processing area 41 is disposed at one side of the writing area 40, the processing area 41 includes a housing, and a first control circuit, a wireless communication device and a first power supply battery 412 disposed in the housing, the first control circuit is electrically connected to the signal acquisition device, the wireless communication device and the first power supply battery 412, respectively, and the first control circuit is configured to obtain the writing trace at the whiteboard body according to the sensing signal acquired by the signal acquisition device and send the writing trace to the intelligent terminal through the wireless communication device. The first control circuit is usually disposed on a first circuit board 411, and the working process of the intelligent whiteboard 5 can refer to the above contents, which is not described herein again.

However, in this embodiment, the acquisition of the handwriting at the whiteboard body is realized between the intelligent whiteboard 4 and the intelligent whiteboard pen 5 or the intelligent eraser 6 by using the sensing principle of the optical camera technology, and at this time, the sensing signal is an infrared signal. Specifically, as shown in fig. 5, in this embodiment, the whiteboard body of the intelligent whiteboard 4 includes a whiteboard film 400, a bottom plate 401 and a fixing frame 402, wherein the whiteboard film 400 and the bottom plate 401 are connected and fixed by a glue fixing film 404, the signal acquiring device includes two optical cameras 403, the two optical cameras 403 are respectively fixed on the upper left corner and the upper right corner of the fixing frame 402, optical axes of the two optical cameras 403 are intersected, and the optical cameras 403 are used for shooting and acquiring infrared signals on the whiteboard film 400.

As shown in fig. 6, in this embodiment, the intelligent whiteboard pen 5 used in conjunction with the intelligent whiteboard 4 comprises a pen case, the pen case comprises a pen head 500 and a pen holder movably connected to the pen head 500, the pen head 500 is made of transparent material, a pen nib 51 is arranged in the pen head 500, an elastic connector 52, an ink-absorbing cotton core 53, a first switch, a first infrared transmitting tube 55, a second power supply battery 56 and a second control circuit are arranged in the pen holder, an upper end of the pen nib 51 is connected to a lower end of the ink-absorbing cotton core 53 through the elastic connector 52, the first switch, the first infrared transmitting tube 55 and the second power supply battery 56 are respectively electrically connected to the second control circuit, the first switch contacts the elastic connector 52 and the first switch is turned on when the elastic connector 52 is pressed to operate the second control circuit, the first infrared transmitting tube 55 is arranged at a position close to the pen head 500 and controlled by the second control circuit to send out a first infrared signal The numbers are used for shooting and obtaining by the two optical cameras 403. The pen nozzle 51 is usually a felt pen nozzle 51, and the second control circuit is disposed on a second circuit board.

When the intelligent whiteboard pen 5 is used, writing is carried out in the writing area 40 of the intelligent whiteboard 4, the ink absorption cotton core 53 continuously provides ink for the pen nozzle 51, the pen nozzle 51 can write ink characters on the whiteboard film 400, meanwhile, the pen nozzle 51 moves towards the pen point 500 under the stress during writing, the elastic connecting piece 52 is compressed under the stress, the first switch piece is triggered to be opened at the moment, the second control circuit is communicated for working, and the second control circuit controls the first infrared transmitting tube 55 to send out a first infrared signal; two optical cameras 403 on the intelligent whiteboard 4 shoot and acquire the first infrared signal and send the first infrared signal to the first control circuit, the first control circuit acquires writing handwriting according to the processing and analysis of the first infrared signal and sends the writing handwriting to the intelligent terminal through the wireless communication device, so that the intelligent terminal can directly check the writing handwriting written by the user through the intelligent whiteboard pen 5.

As shown in fig. 6, in this embodiment, a clamping plate is disposed in the pen holder of the intelligent whiteboard pen 5 at a position corresponding to the elastic connecting piece, and the clamping plate can be penetrated by the blotting cotton core 53; the elastic connecting piece 52 comprises a connecting piece and a first spring 520, the connecting piece comprises a connecting plate 521, the connecting plate 521 is provided with a second bump 522 arranged on the upper end face of the connecting part and a first cylindrical sleeve 523 arranged on the upper end face of the connecting part and capable of being sleeved with an ink absorption cotton core 53, the lower end face of the connecting plate 521 is provided with a second cylindrical sleeve 524 used for being sleeved with the fixed pen nib 51, the second bump 522 is arranged at the side of the first cylindrical sleeve 523, the first cylindrical sleeve 523 is communicated with the second cylindrical sleeve 524, one end of the first spring 520 is sleeved in the first cylindrical sleeve 523, and the other end of the first spring 520 is clamped on a clamping plate in the pen holder; the first switch element includes a first conductive silica gel 540 and a switch circuit board, the first conductive silica gel 540 is fixed on the second bump 522, the switch circuit board is provided with a first switch circuit and a first switch pad 541 electrically connected with the first switch circuit, the switch circuit board is fixed above the first conductive silica gel 540 so that the first conductive silica gel 540 contacts the first switch pad 541 when moving upwards along with the compression of the elastic connecting element 52 to conduct the first switch circuit.

When the intelligent whiteboard pen 5 does not write, the first conductive silica gel 540 on the second bump 522 is not in contact with the first switch pad 541, and the first switch circuit is not conducted; when writing, the pen nib 51 is pressed to move into the pen point 500, at this time, the connecting member moves inward, the first spring 520 is compressed by force, meanwhile, the first conductive silica gel 540 on the second bump 522 contacts the first switch pad 541, the first switch circuit is turned on, and the second control circuit is turned on to control the first infrared transmitting tube 55 to send out the first infrared signal.

In other embodiments, the elastic connecting element 52 and the first switch element in the intelligent whiteboard pen 5 can also be implemented by using the technical solution shown in fig. 3. Specifically, a clamping plate is arranged in the pen holder of the intelligent whiteboard pen 5 at a position corresponding to the elastic connecting piece, and the clamping plate can be penetrated by an ink absorption cotton core 53; the elastic connecting piece 52 comprises a connecting piece and a first spring 520, the connecting piece comprises a connecting plate 521, the connecting plate 521 is provided with a second bump 522 arranged on the upper end face of the connecting part and a first cylindrical sleeve 523 arranged on the upper end face of the connecting part and capable of being sleeved with an ink absorption cotton core 53, the lower end face of the connecting plate 521 is provided with a second cylindrical sleeve 524 used for being sleeved with the fixed pen nib 51, the second bump 522 is arranged at the side of the first cylindrical sleeve 523, the first cylindrical sleeve 523 is communicated with the second cylindrical sleeve 524, one end of the first spring 520 is sleeved in the first cylindrical sleeve 523, and the other end of the first spring 520 is clamped on a clamping plate in the pen holder; the first switch is a first micro switch, the first micro switch is fixed above the second protrusion 522, and a reed of the first micro switch contacts the second protrusion 522 to trigger the first micro switch to be in contact conduction when the second protrusion 522 moves upward along with the compression of the elastic connecting member 52, and the working processes of the elastic connecting member 52 and the first switch are referred to the above, and are not described herein again.

Similarly to the embodiment shown in fig. 3, in the embodiment shown in fig. 6, the intelligent whiteboard pen 5 is also provided with components or structures such as a pinhole, a silicone sleeve 57, a mounting seat 59, a laser emitter 580, and a laser switch 581.

As shown in fig. 6, in this embodiment, a pinhole communicated with the upper end surface of the ink-absorbing cotton core 53 is formed on the upper end surface of the pen holder of the intelligent whiteboard pen 5, so that the intelligent whiteboard pen 5 can be used for a long time by adding ink to the intelligent whiteboard pen 5 through the pinhole. In this embodiment, the barrel generally comprises a cap 502 and a barrel 501, and the needle hole is disposed on the cap 502.

In this embodiment, as shown in fig. 6, a silicone sleeve 57 with a through hole in the middle is further disposed between the pinhole of the intelligent whiteboard pen 5 and the blotting cotton core 53. When ink is injected, the inserted needle can pass through the through hole in the silica gel sleeve 57 and is in contact with the ink absorption cotton core 53 for ink injection, and after the water injection is completed, the through hole in the silica gel sleeve 57 is almost closed, so that the ink can be effectively prevented from being volatilized or overflowing when the ink is inverted.

As shown in fig. 6, in this embodiment, the second power supply battery 56 in the intelligent whiteboard pen 5 is fixed at the upper end of the blotting cotton core 23 through a mounting seat 59, the mounting seat 59 comprises a base 590 contacting with the upper end face of the blotting cotton core 23, and the base 590 is provided with a battery clamping seat 591 for fixing the battery and a hollow column 592 for communicating the pinhole with the upper end face of the blotting cotton core 53.

As shown in fig. 6, in this embodiment, a laser emitter 580 and a laser switch 581 are further disposed in the pen casing of the intelligent whiteboard pen 5, a position on the pen casing corresponding to the laser emitter 580 is provided with an irradiation port, the laser switch 581 is disposed on the pen holder, the laser emitter 580 is fixed on a laser mounting seat 593 on the mounting seat 59, and the laser emitter 580 and the laser switch 581 are respectively electrically connected to the first control circuit to emit laser.

In addition, in order to prevent ink from leaking, a sealing rubber ring 503 is usually provided at the junction of the pen barrel and the pen head 500, as shown in fig. 6.

Similar to the embodiment shown in fig. 2, in the embodiment shown in fig. 5, at least one concave pen holder is formed at the upper surface of the housing of the intelligent whiteboard 4. Therefore, the intelligent whiteboard pen 5 can be directly placed in the pen holder when not in use, and loss is avoided. In this embodiment, when the intelligent whiteboard pen 5 is placed in the pen holder, the pen mouth 51 of the intelligent whiteboard pen 5 is sleeved in the pen holder, and the pen mouth 51 is not directly exposed in the air, so that the ink in the ink absorption cotton core 53 can be prevented from volatilizing through the pen mouth 21.

As shown in fig. 5, in this embodiment, in order to more conveniently and intelligently add ink to the intelligent whiteboard pen 5 placed in the pen holder, a water filling port is formed at a position corresponding to the upper end of the pen holder on the housing of the intelligent whiteboard 4, a water filling system is arranged in the housing, the water filling system comprises an ink bottle 414, a peristaltic pump 415 and a water filling device 416, a bottle opening of the ink bottle 414 is connected with a water inlet of the peristaltic pump 415, the peristaltic pump 415 is electrically connected with the first control circuit and controlled by the first control circuit to control water discharge, the water filling device 416 comprises a fixed housing 4160, a needle 4161 movably arranged in the fixed housing 4160, a stepping motor arranged in the fixed housing 4160 and used for controlling the needle 4161 to extend out of the fixed housing 4160 back and forth, a gear fixed at an output end of the stepping motor and a rack engaged with the gear, one end of the needle 4161 is communicated with a water outlet of the pump 415 through a conduit, and the needle 4161 is fixed at one end of the, the other end of the needle 4161 is correspondingly disposed at the position of the water filling port, and the stepping motor is electrically connected to the first control circuit and controlled by the first control circuit to operate, and drives the rack to move through the gear to extend the needle 4161 fixed on the rack out of the water filling port or retract the needle from the water filling port into the fixing housing 4160. The working process of injecting ink into the intelligent whiteboard pen 5 can refer to the above contents, and is not described herein again.

Whether intelligent whiteboard pen 5 is placed in this pen stand for convenient detection, the pen stand position department of intelligent whiteboard 4 still is provided with a trigger switch, and the position department that intelligent whiteboard pen 5 corresponds this trigger switch is provided with a trigger, and when intelligent whiteboard pen 5 was placed in the pen stand, trigger and trigger switch contact, trigger switch gave back trigger signal to first control circuit, and first control circuit judges to learn intelligent whiteboard pen 5 and places in the pen stand at present according to this trigger signal. In practical products, as shown in fig. 6, the trigger switch on the intelligent whiteboard 4 is a metal inductive switch, and the trigger on the intelligent whiteboard pen 5 is a metal ferrule 504 disposed on the pen casing.

In addition, the condition that the electric quantity is not enough can appear after the long-time use of intelligence whiteboard pen 5 and influence the use, for conveniently charging for intelligent whiteboard 4, the second power supply battery 56 of intelligence whiteboard pen 5 adopts a first wireless rechargeable battery to realize, simultaneously, the position department that corresponds the pen stand on the casing of intelligence whiteboard 4 still is provided with a first wireless charger. So, when intelligent whiteboard pen 5 placed in the pen stand, the first wireless charger of intelligent whiteboard 4 department can charge for the first wireless rechargeable battery in intelligent whiteboard pen 5, makes intelligent whiteboard pen 5 keep the electric quantity sufficient, facilitates the use. Of course, in other embodiments, the second power supply battery 26 in the intelligent whiteboard pen 2 may also be implemented by a common rechargeable battery or a replaceable button battery.

As shown in fig. 7, the intelligent whiteboard 4 is further provided with a matched intelligent eraser 6 which, in this embodiment, the intelligent blackboard eraser 6 comprises a blackboard eraser shell, a first sponge eraser 61, a movable connecting piece 62, a second infrared emission tube 64, a second switch piece, a third power supply battery 65 and a third control circuit, wherein the blackboard eraser shell is provided with a mounting opening, one end of the first sponge eraser 61 is arranged outside the blackboard eraser shell, the other end of the first sponge eraser 61 is fixed in the mounting opening through the movable connecting piece 62, the second infrared transmitting tube 64, the second switch, and the third power supply battery 65 are electrically connected to the third control circuit, respectively, the second switch contacts with the movable connector 62, and the second switch is pressed by the movable connector 62 to turn on the switch to operate the third control circuit, and the second infrared transmitting tube 64 is disposed at the front end of the eraser housing and controlled by the third control circuit to emit a second infrared signal for the second optical camera 403 to capture.

When the intelligent blackboard eraser is used, the intelligent blackboard eraser 6 is erased in the writing area 40 of the intelligent whiteboard 4, at the moment, the first sponge eraser 61 in the intelligent blackboard eraser 6 is pressed downwards under force, the movable connecting piece 62 is pressed downwards along with the force, the first sponge eraser 61 can erase ink handwriting on the whiteboard film 400, the second switch piece is triggered to be opened when the movable connecting piece 62 is pressed downwards, the third control circuit is communicated to work, and the second infrared transmitting tube 64 is controlled by the third control circuit to send out a second infrared signal; the second optical camera 403 on the intelligent whiteboard 4 shoots and acquires the second infrared signal, the second infrared signal is sent to the first control circuit, the first control circuit processes and analyzes the erasing track of the intelligent eraser 6 according to the second infrared signal and modifies the stored handwriting before the erasing track, so that the handwriting on the whiteboard film 400 is consistent with the handwriting output obtained by processing of the first control circuit, and then the modified handwriting is sent to the intelligent terminal through the wireless communication device, so that the modified handwriting can be directly checked through the intelligent terminal.

As shown in fig. 7, in this embodiment, the second switch component of the intelligent board eraser 6 includes a second switch circuit disposed on a third circuit board 63, two second switch pads electrically connected to the second switch circuit, and two second conductive silicone; the movable connector 62 includes a movable plate 620 and a fixed plate 621, one end surface of the movable plate 620 is fixedly connected with the first sponge wiper 61, the other end surface of the movable plate 620 is provided with a plurality of hooks 6200, and a plurality of second springs 622 are arranged between the end surface and the fixed plate 621; a clamping hole 6210 for the hook 6200 to pass through is formed at a position on the fixing plate 621 corresponding to the hook 6200, the fixing plate 621 is fixed on the mounting hole, the other end surface of the fixing plate 621 is fixedly connected with the third circuit board 63, a mounting hole is formed at a position on the fixing plate 621 corresponding to the second switch pad, an elastic silica gel 6211 is movably arranged in the mounting hole, the elastic silica gel 6211 comprises a rim portion and a protruding portion formed by extending outward from the rim portion, the rim portion is arranged on the end surface of the fixing plate 621 close to the third circuit board 63, the protruding portion passes through the mounting hole and protrudes out of the end surface of the fixing plate 621 close to the movable plate 620, the second conductive silica gel is fixed in the protruding portion of the elastic silica gel 6211 without protruding out of the rim portion, the second conductive silicone is used for contacting the second switch pad to open the second switch circuit when the movable plate 620 is pressed to move towards the fixed plate 621 and disconnecting the contact with the second switch pad to disconnect the second switch circuit when the movable plate 620 is far away from the fixed plate 621. When the second conductive silica gel is fixed in the convex part of the elastic silica gel 6211, if no external force is used for extruding the convex part of the elastic silica gel 6211, the second conductive silica gel is away from the edge part of the elastic silica gel 6211 by a certain distance; if there is external force extrusion elastic silica gel 6211's bulge, the second electrically conductive silica gel will move to elastic silica gel 6211's border portion until flushing with border portion or even bulge in border portion, and when external force relieved the back, the bulge automatically drives the second electrically conductive silica gel to resume to the normal position under self elastic action.

In this application, the third circuit board 63 may only include the second switch circuit, or may include the third control circuit and the second switch circuit of the intelligent eraser 6.

In this embodiment, four second springs 622 are disposed between the movable plate 620 and the fixed plate 621, one end of each of the four second springs 622 is sleeved in the spring sleeve 6201 on the movable plate 620, and the other end of each of the four second springs 622 contacts with the bottom surface of the fixed plate 621, so that the second springs 622 are well fixed and are not easy to fall off. In addition, the first sponge eraser 61 is further fixed with a first eraser 66, and the surface of the first eraser 66 is relatively smooth and is not easy to scratch the whiteboard film 400.

When the intelligent eraser 6 is not used for erasing handwriting, under the elastic action of the second spring 622 between the movable plate 620 and the fixed plate 621, the movable plate 620 is far away from the fixed plate 621, at this time, the elastic silica gel 6211 in the fixed plate 621 is not extruded, the second conductive silica gel is not in contact with the second switch bonding pad, and at this time, the second switch circuit is in a disconnected state; when the first sponge eraser 61 is pressed to move inwards, the movable plate 620 is pressed to move inwards, at the moment, the second spring 622 between the movable plate 620 and the fixed plate 621 is compressed, the movable plate 620 is close to the fixed plate 621, the protruding part of the elastic silica gel 6211 on the fixed plate 621 is pressed, the second conductive silica gel moves towards and contacts the second switch pad, the second switch circuit is conducted, and the third control circuit is conducted to work to control the second infrared emission tube 64 to emit a second infrared signal.

In other embodiments, the movable connector 62 in the intelligent board wiper 6 includes a movable plate 620 and a fixed plate 621, a plurality of hooks 6200 and a second bump are disposed on an end surface of the movable plate 620 close to the fixed plate 621, a plurality of second springs 622 are disposed on an end surface of the movable plate 620 close to the fixed plate 621, a fastening hole 6210 for the hook 6200 to pass through is disposed at a position on the fixed plate 621 corresponding to the hook 6200, a through hole for the second bump to pass through is disposed at a position on the fixed plate 621 corresponding to the second bump, the other end surface of the movable plate 620 is fixedly connected to the first sponge wiper 61, and the fixed plate 621 is fixed on the mounting hole; the second switch is a second micro switch, the second micro switch is fixed on the fixed plate 621 through a mounting plate, and a reed of the second micro switch contacts with the second bump, so that when the movable plate 620 moves towards the fixed plate 621, the second bump touches and presses the reed to open the second micro switch, and when the movable plate 620 moves away from the fixed plate 621, the second bump releases the reed to turn off the second micro switch. The working process between the movable connecting element 62 and the second switch element can refer to the above description, and is not repeated herein.

As shown in fig. 7, in this embodiment, the intelligent eraser 6 is rectangular and convenient to hold. The eraser shell of the intelligent eraser 6 comprises a bottom shell 600 and an upper cover 601 covering the bottom shell 600, the bottom shell 600 is surrounded by a bottom surface, a side inclined plane and a side surface, and the mounting opening is formed in the side inclined plane.

Similar to the embodiment shown in fig. 4, in the embodiment shown in fig. 7, in order to erase the writing on the whiteboard film 400 without modifying the electronic version of the writing processed by the intelligent whiteboard 4, a second sponge eraser 67 is further disposed on the bottom surface of the intelligent board eraser 6. In addition, a second wiping cloth 69 is fixed on the second sponge wiper 67, and the surface of the second wiping cloth 69 is relatively smooth and is not easy to scratch the whiteboard film 400.

In order to conveniently place the intelligent eraser 6, in this embodiment, as shown in fig. 5 and 7, a eraser seat is further formed at the upper surface of the housing of the intelligent whiteboard 4, a first magnet is disposed on the eraser seat, and a second magnet 68 attracted to the first magnet is disposed in the intelligent eraser 6, so that the intelligent eraser 3 is placed in the eraser seat and fixed by the attraction between the magnets, and is not easily lost. In this embodiment, the second magnet 68 is disposed in the second sponge wipe 67.

Because the situation that the electric quantity is insufficient can appear after the intelligent blackboard eraser 6 is used for a long time and the use is influenced, for conveniently charging the intelligent blackboard eraser 6, the third power supply battery 65 of the intelligent blackboard eraser 6 is realized by adopting a second wireless charging battery, and meanwhile, a second wireless charger is also arranged at the position corresponding to the blackboard eraser seat in the shell of the intelligent whiteboard 4. So, when intelligent blackboard eraser 6 placed in the blackboard eraser seat, the wireless charger of second in intelligent blank 4 department can charge for the wireless rechargeable battery of second in intelligent blackboard eraser 6, makes intelligent blackboard eraser 6 keep the electric quantity sufficient, facilitates the use.

Of course, in some other embodiments, the third power supply battery 65 in the intelligent board eraser 6 may also be implemented by a common rechargeable battery or a replaceable button battery, and at this time, the user needs to charge the intelligent board eraser 6 or replace the battery in time, and the third power supply battery 65 is usually fixed in the board eraser shell through a battery fixing seat 650.

In other embodiments, the acquisition of the handwriting at the whiteboard body can be further realized between the intelligent whiteboard 1 and the intelligent whiteboard pen 2 or the intelligent eraser 3 through an infrared sensing technology, a capacitance sensing technology, and the like.

In the present application, as shown in fig. 2, in the embodiment, the first power supply battery 112 in the intelligent whiteboard 1 is a rechargeable battery, the first power supply battery 112 is movably fixed in the housing, a movable window which can conveniently take and place the first power supply battery 112 is disposed at a position on the housing corresponding to the first power supply battery 112, and the first power supply battery 112 can be directly used as a charger baby after being taken out.

In this application, intelligence whiteboard pen and intelligent blackboard eraser are placed at will easily when using, cause and lose, in order to avoid losing, still are provided with a wireless radio frequency transceiver and an alarm in the intelligence whiteboard, and wireless radio frequency transceiver is connected with first control circuit in order to receive radio frequency signal and send for first control circuit, and the alarm is connected in order to send out the warning with first control circuit and reminds. Correspondingly, a first anti-lost chip is arranged in the intelligent whiteboard pen, and the first anti-lost chip is connected with the second control circuit to be controlled by the second control circuit to send out a radio frequency signal for the wireless radio frequency transceiver to receive; the intelligent blackboard eraser is internally provided with a second anti-loss chip, and the second anti-loss chip is connected with the third control circuit to be controlled by the third control circuit to send out a radio frequency signal for the wireless radio frequency transceiver to receive. In an actual product, a preset signal strength is usually pre-stored in the intelligent whiteboard, when the real-time signal strength of a radio frequency signal received by a wireless radio frequency transceiver in the intelligent whiteboard and sent by a first anti-lost chip is smaller than the preset signal strength, the first control circuit judges that the intelligent whiteboard pen exceeds a safe distance, and at the moment, the first control circuit controls the alarm to send an alarm prompt; similarly, when the real-time signal intensity of the radio-frequency signal received by the radio-frequency transceiver in the intelligent whiteboard and sent by the second anti-lost chip is smaller than the preset signal intensity, the first control circuit judges that the intelligent blackboard eraser exceeds the safe distance, and at the moment, the first control circuit can also control the alarm to send an alarm prompt, so that the anti-lost purpose is realized.

In this embodiment, the alarm is a horn 118, as shown in FIG. 2. The speaker 118 can play other voice information according to the actual teaching requirement besides sending out the alarm prompt.

In this application, as shown in fig. 2, a display 119 is further disposed on the housing of the intelligent whiteboard 1, and the display 119 is electrically connected to the first control circuit to display information. For example, the display 119 may display the teaching outline, the teaching time, the teaching remaining time, and the like as needed, which is convenient for the user or the trainer to view when using.

In this application, still be provided with a phonographic recorder in the casing of intelligence whiteboard, phonographic recorder and first control circuit electric connection are in order to carry out the recording. The recorder can record the teaching content of the user, and facilitates subsequent checking or sharing.

In this application, still be provided with a camera device on the casing of intelligence whiteboard, camera device and first control circuit electric connection are in order to make a video recording. The camera device can be used for shooting, recording and the like of teaching conditions, and can be conveniently and subsequently checked or shared.

In this application, still can set up a plurality of data interface on the casing of intelligence whiteboard, data interface and first control circuit electric connection with this data interface connection external equipment of accessible, for example, loudspeaker 118, display 119, phonograph and camera device etc. in the intelligence whiteboard also can adopt corresponding external equipment to connect data interface and replace the use.

The utility model discloses an in the scheme, this intelligence blank 1 passing signal acquisition device acquires the inductive signal that intelligent whiteboard pen 2 or intelligent blackboard eraser 3 of blank body department sent and sends inductive signal for first control circuit, first control circuit obtains the writing handwriting of blank body department according to the inductive signal who acquires, and will write the handwriting through wireless communication device and send for intelligent terminal, so, the training person can directly acquire the teaching content note, need not manually to take notes, be favorable to improving training efficiency, need not to dispose scanner etc. when this intelligence blank 1 uses and write the electronic scanning of handwriting, be favorable to reducing configuration cost, satisfy the user demand.

The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.

Claims

1. An intelligent whiteboard, comprising:

the writing area comprises a whiteboard body and a signal acquisition device arranged in the whiteboard body, and the signal acquisition device is used for acquiring an induction signal at the whiteboard body;

the processing area is arranged at one side of the writing area and comprises a shell, a first control circuit, a wireless communication device and a first power supply battery, wherein the first control circuit, the wireless communication device and the first power supply battery are arranged in the shell, the first control circuit is electrically connected with the signal acquisition device, the wireless communication device and the first power supply battery respectively, and the first control circuit is used for obtaining the writing handwriting at the whiteboard body according to the sensing signal acquired by the signal acquisition device and sending the writing handwriting to the intelligent terminal through the wireless communication device.

2. The intelligent whiteboard of claim 1, wherein the whiteboard body comprises a whiteboard film, a bottom plate and a fixing frame, the signal acquisition device comprises an electromagnetic induction plate, and the electromagnetic induction plate is disposed between the whiteboard film and the bottom plate for receiving electromagnetic wave signals.

3. The intelligent whiteboard of claim 2, wherein the electromagnetic induction board is composed of a plurality of X-axis antenna arrays arranged in parallel and a plurality of Y-axis antenna arrays arranged in parallel and staggered with the X-axis antenna arrays.

4. The intelligent whiteboard of claim 2, wherein the intelligent whiteboard marker comprises a pen shell, the pen shell comprises a pen point and a pen holder movably connected with the pen point, a pen nib is arranged in the pen point, an elastic connecting piece, an ink-absorbing cotton core, a first switch piece, a first inductance coil, a second power supply battery and a second control circuit are arranged in the pen holder, the upper end of the pen nib is in contact connection with the lower end of the ink-absorbing cotton core through the elastic connecting piece, the first switch piece, the first inductance coil and the second power supply battery are respectively electrically connected with the second control circuit, the first switch piece is in contact with the elastic connecting piece, and the first switch piece is pressed by a pressure switch when the elastic connecting piece is pressed to enable the second control circuit to work, the first inductance coil is arranged at a position close to the pen point and is controlled by the second control circuit to send out a first electromagnetic wave signal for the electromagnetic induction plate to receive and obtain.

5. The intelligent whiteboard of claim 4, wherein the intelligent whiteboard is provided with an intelligent blackboard eraser, the intelligent blackboard eraser comprises a blackboard eraser shell, a first sponge eraser, a movable connector, a second inductance coil, a second switch, a third power supply battery and a third control circuit, the blackboard eraser shell is provided with a mounting opening, one end of the first sponge eraser is arranged outside the blackboard eraser shell, the other end of the first sponge eraser is fixed in the mounting opening through the movable connector, the second inductance coil, the second switch and the third power supply battery are electrically connected with the third control circuit respectively, the second switch is in contact with the movable connector, the second switch opens the switch when the movable connector is pressed to operate the third control circuit, and the second inductance coil is arranged in the first sponge eraser and controlled by the third control circuit to generate a second electric power And magnetic wave signals are received and acquired by the electromagnetic induction plate.

6. The intelligent whiteboard of claim 5, wherein a wireless radio frequency transceiver and an alarm are further arranged in the housing, the wireless radio frequency transceiver is connected with the first control circuit to receive signals and send the signals to the first control circuit, and the alarm is connected with the first control circuit to send an alarm prompt; a first anti-lost chip is arranged in the intelligent whiteboard pen, and the first anti-lost chip is connected with the second control circuit to be controlled by the second control circuit to send out a radio frequency signal for the wireless radio frequency transceiver to receive; the intelligent blackboard eraser is internally provided with a second anti-loss chip, and the second anti-loss chip is connected with the third control circuit and is controlled by the third control circuit to send out a radio frequency signal for the wireless radio frequency transceiver to receive.

7. The intelligent whiteboard of claim 1, wherein the whiteboard body comprises a whiteboard film, a bottom plate and a fixed frame, the signal acquisition device comprises two optical cameras, the two optical cameras are respectively fixed on the upper left corner and the upper right corner of the fixed frame, and the optical axes of the two optical cameras intersect.

8. The intelligent whiteboard of claim 7, wherein the intelligent whiteboard marker is disposed thereon, the intelligent whiteboard marker comprises a shell, the shell comprises a pen point and a pen holder movably connected to the pen point, the pen point is made of transparent material, the pen point is disposed inside with a pen nozzle, the pen holder is disposed inside with an elastic connector, an ink-absorbing cotton core, a first switch, a first infrared transmitting tube, a second power supply battery and a second control circuit, the upper end of the pen nozzle is connected to the lower end of the ink-absorbing cotton core through the elastic connector, the first switch, the first infrared transmitting tube and the second power supply battery are respectively electrically connected to the second control circuit, the first switch is in contact with the elastic connector and the first switch is turned on when the elastic connector is turned on to operate the second control circuit, the first infrared transmitting tube is arranged at a position close to the pen point and is controlled by the second control circuit to send out a first infrared signal for the optical camera to shoot and obtain.

9. The intelligent whiteboard of claim 8, wherein the intelligent whiteboard is provided with an intelligent eraser, the intelligent eraser comprises an eraser housing, a first sponge eraser, a movable connector, a second infrared transmitting tube, a second switch, a third power supply battery and a third control circuit, the eraser housing is provided with a mounting opening, one end of the first sponge eraser is disposed outside the eraser housing, the other end of the first sponge eraser is fixed in the mounting opening through the movable connector, the second infrared transmitting tube, the second switch and the third power supply battery are electrically connected to the third control circuit, the second switch is in contact with the movable connector, the second switch is opened when the movable connector is pressed to operate the third control circuit, the second infrared transmitting tube is disposed at the front end of the eraser housing and controlled by the third control circuit to operate the third control circuit And outputting a second infrared signal for shooting and obtaining by the optical camera.

10. The intelligent whiteboard of claim 9, wherein a wireless radio frequency transceiver and an alarm are further arranged in the housing, the wireless radio frequency transceiver is connected with the first control circuit to receive signals and send the signals to the first control circuit, and the alarm is connected with the first control circuit to send an alarm prompt; a first anti-lost chip is arranged in the intelligent whiteboard pen, and the first anti-lost chip is connected with the second control circuit to be controlled by the second control circuit to send out a radio frequency signal for the wireless radio frequency transceiver to receive; the intelligent blackboard eraser is internally provided with a second anti-loss chip, and the second anti-loss chip is connected with the third control circuit and is controlled by the third control circuit to send out a radio frequency signal for the wireless radio frequency transceiver to receive.

11. The intelligent whiteboard of claim 4 or 8, wherein at least one recessed pen holder is formed at an upper surface of the housing.

12. The intelligent whiteboard of claim 11, wherein a water filling port is formed at a position corresponding to an upper end of the pen holder in the housing, a water filling system is disposed in the housing, the water filling system comprises an ink bottle, a peristaltic pump and a water filling device, a mouth of the ink bottle is connected to a water inlet of the peristaltic pump, the peristaltic pump is electrically connected to the first control circuit and controlled by the first control circuit to control water discharge, the water filling device comprises a fixed housing, a needle movably disposed in the fixed housing, a stepping motor disposed in the fixed housing, a gear fixed to an output end of the stepping motor, and a rack engaged with the gear, one end of the needle is communicated with a water outlet of the peristaltic pump through a conduit, and the needle is fixed at one end of the rack, the other end of the needle head is correspondingly arranged at the position of the water filling port, and the stepping motor is electrically connected with the first control circuit and controlled by the first control circuit to work and drive the rack to move through the gear so that the needle head fixed on the rack extends out of the water filling port or retracts from the water filling port into the fixed shell.

13. The intelligent whiteboard of claim 11, wherein the second power supply battery is a first wireless rechargeable battery, and a first wireless charger is further disposed on the housing at a position corresponding to the pen holder, and the first wireless charger is connected to the first control circuit to charge the first wireless rechargeable battery.

14. The intelligent whiteboard of claim 5 or 9, wherein a eraser seat is further formed on the upper surface of the housing, a first magnet is disposed on the eraser seat, and a second magnet attracted to the first magnet is disposed in the intelligent eraser.

15. The intelligent whiteboard of claim 14, wherein the third power supply battery is a second wireless rechargeable battery, a second wireless charger is further disposed at a position corresponding to the eraser seat in the housing, and the second wireless charger is connected to the first control circuit to charge the second wireless rechargeable battery.

16. The intelligent whiteboard of claim 1, wherein the first power supply battery is a rechargeable battery, the first power supply battery is movably fixed in the housing, and a movable window for conveniently taking and placing the first power supply battery is arranged on the housing at a position corresponding to the first power supply battery.

17. The intelligent whiteboard of claim 6 or 10, wherein the alarm is a speaker, the speaker is electrically connected to the first control circuit to issue an alarm prompt, and the speaker is controlled by the first control circuit to play voice.

18. The intelligent whiteboard of claim 1, wherein a display is further disposed on the housing, and the display is electrically connected to the first control circuit to display information.

19. The intelligent whiteboard of claim 1, wherein a sound recorder is further disposed in the housing, and the sound recorder is electrically connected to the first control circuit for recording.

20. The intelligent whiteboard of claim 1, wherein a camera device is further disposed on the housing, and the camera device is electrically connected to the first control circuit for taking a picture.