Electronic paper blackboard device and control method

Abstract

The application relates to the technical field of electronic paper, in particular to an electronic paper blackboard device and a control method. A controller is electrically connected with the electronic paper blackboard. An electronic chalk is provided with a first magnet, and the first magnet is detachably connected with the electronic chalk. The electronic chalk is used for changing the magnetic pole direction of a magnetic electronic ink material through the first magnet, so that the color of the magnetic electronic ink material is changed to form written content. A passive blackboard eraser is provided with a second magnet, and the second magnet is detachably connected with the passive blackboard eraser. The passive blackboard eraser is used for resetting the magnetic pole direction of the magnetic electronic ink material through the second magnet, so that the corresponding written content is erased, thereby realizing the traditional blackboard function. The electronic paper blackboard can be conveniently written and erased, and the reflection of the electronic paper blackboard does not affect the vision of children, which is beneficial to human health.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electronic paper, in particular to an electronic paper blackboard device and a control method. BACKGROUND

[0002] The existing teaching generally uses a blackboard, a whiteboard or an electronic display screen for writing. The blackboard needs to use chalk, and the dust generated by the chalk is not conducive to human health. Although the whiteboard can avoid the generation of dust, the existing whiteboard pen is also difficult to clean, the writing is not smooth, and the cost is high. If an electronic display screen is used, students will also easily cause myopia by looking at the electronic display screen for a long time. Therefore, in order to solve the above problems, it is necessary to research an electronic paper blackboard device which can facilitate writing and erasing, and the reflection of the electronic paper blackboard will not affect the vision of children.

[0003] At present, there is no effective technical solution to the above problems. SUMMARY

[0004] The purpose of the present application is to provide an electronic paper blackboard device and a control method which can facilitate writing and erasing, and the reflection of the electronic paper blackboard will not affect the vision of children.

[0005] In a first aspect, the present application provides an electronic paper blackboard device, comprising a blackboard frame, at least one electronic paper blackboard is arranged in the blackboard frame, the electronic paper blackboard comprises a driving backplate layer, a display material layer, a transparent conductive layer and a touch cover plate which are arranged in sequence, the electronic paper blackboard device further comprises a passive blackboard eraser, an electronic chalk and a controller; the display material layer comprises a magnetic electronic ink material, different magnetic poles of the magnetic electronic ink material face outward to display different colors;

[0006] The controller is electrically connected with the electronic paper blackboard, the electronic chalk is provided with a first magnet, and the first magnet is detachably connected with the electronic chalk, the electronic chalk is used to change the magnetic pole direction of the magnetic electronic ink material through the first magnet to change the color of the magnetic electronic ink material to form writing content, the passive blackboard eraser is provided with a second magnet, and the second magnet is detachably connected with the passive blackboard eraser, the passive blackboard eraser is used to reset the magnetic pole direction of the magnetic electronic ink material through the second magnet to erase the corresponding writing content.

[0007] Through the above arrangement, the electronic paper blackboard can facilitate writing and erasing, and the reflection of the electronic paper blackboard will not affect the vision of children, which is conducive to human health.

[0008] Optionally, the blackboard frame is provided with a first induction cavity for placing the passive eraser and a clear key, the first induction cavity is provided with an induction device, the induction device and the clear key are connected with the controller respectively, the passive eraser is provided with a trigger, the trigger is used to trigger the induction device when the passive eraser is placed in the first induction cavity, and the controller is used to control the electronic paper blackboard to clear the screen when the induction device is triggered and the clear key is triggered.

[0009] The first induction cavity and the clear key are arranged, and only when the induction device is triggered and the clear key is triggered, the controller can control the electronic paper blackboard to clear the screen, so that the writing content of the electronic paper blackboard is prevented from being mistakenly deleted due to mistaken triggering.

[0010] Optionally, the top of the touch cover plate is provided with a waterproof layer.

[0011] Optionally, the top of the waterproof layer is provided with a frosted layer.

[0012] The frosted layer is arranged on the top of the waterproof layer, the friction is increased, the friction texture of the electronic chalk on the electronic paper blackboard is improved, and the experience of writing is improved.

[0013] Optionally, the electronic chalk comprises a pen head and a pen barrel, the pen head and the pen barrel are detachably connected, and the pen head is provided with the first magnet.

[0014] Optionally, the driving backboard layer is a TFT glass backboard.

[0015] Optionally, the induction device is a photoelectric receiver, and the trigger is a photoelectric emitter.

[0016] Optionally, the induction device is an RFID card reader, and the trigger is an electronic tag.

[0017] Optionally, the electronic paper blackboard device according to any one of the above also comprises a camera and a start key, the camera is arranged in front of the electronic paper blackboard, the lens of the camera is arranged towards the electronic paper blackboard, the camera is connected with the controller, the start key is wirelessly connected with the camera, and the start key is used to control the camera to shoot all the writing content of the current moment on the electronic paper blackboard.

[0018] In the second aspect, the application provides a control method of an electronic paper blackboard device, which is applied to a classroom note generation system, the classroom note generation system comprises the above-mentioned electronic paper blackboard device and a remote control center, the electronic paper blackboard device is in communication connection with the remote control center, and the control method comprises the following steps.

[0019] S1. Displaying a lecture note in a first preset area of the electronic paper blackboard through the electronic paper blackboard device;

[0020] S2. Taking a first picture of the electronic paper blackboard device through a camera of the electronic paper blackboard device and sending it to the remote control center, the first picture containing an image of the first preset area and an image of a second preset area of the electronic paper blackboard; the second preset area is used for writing explanation content for the currently displayed lecture note;

[0021] S3. The remote control center matches and fuses the content of the image of the first preset area and the image of the second preset area to generate a class note file when receiving the first picture, so that the matching content in the image of the first preset area and the image of the second preset area is recorded in the adjacent position in the class note file.

[0022] Beneficial effects: The electronic paper blackboard device and control method provided by the application, the controller is electrically connected with the electronic paper blackboard, the electronic chalk is provided with the first magnet, and the first magnet is detachably connected with the electronic chalk. The electronic chalk is used for changing the magnetic pole direction of the magnetic electronic ink material through the first magnet, so as to change the color of the magnetic electronic ink material and form the writing content. The passive blackboard eraser is provided with the second magnet, and the second magnet is detachably connected with the passive blackboard eraser. The passive blackboard eraser is used for resetting the magnetic pole direction of the magnetic electronic ink material through the second magnet, so as to erase the corresponding writing content, so as to realize the traditional blackboard function. The electronic paper blackboard can be conveniently written and erased, and the reflection of the electronic paper blackboard will not affect the vision of children, which is beneficial to human health. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The structural schematic diagram of the electronic paper blackboard device provided by the application.

[0024] Figure 2 The structural schematic diagram of the electronic paper blackboard provided by the application.

[0025] Figure 3 The structural schematic diagram of the passive blackboard eraser provided by the application.

[0026] Figure 4 The structural schematic diagram of the electronic chalk provided by the application.

[0027] Figure 5 The position schematic diagram of the first preset area and the second preset area provided by the application.

[0028] Figure 6 The flowchart of the control method of the electronic paper blackboard device provided by the application.

[0029] Label description: 1, blackboard frame; 2, electronic paper blackboard; 201, driving backboard layer; 202, display material layer; 203, transparent conductive layer; 204, touch cover plate; 4, passive blackboard eraser; 5, electronic chalk; 501, pen barrel; 502, pen head; 6, controller; 7, first induction cavity; 8, clear key; 901, first preset area; 902, second preset area. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0031] It should be noted that: similar labels and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. Meanwhile, in the description of the present application, the terms "first", "second" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0032] The present application provides an electronic paper blackboard device, comprising a blackboard frame 1, at least one electronic paper blackboard 2 is arranged in the blackboard frame 1, the electronic paper blackboard 2 comprises a driving backboard layer 201, a display material layer 202, a transparent conductive layer 203 and a touch cover plate 204 arranged in sequence, the electronic paper blackboard device further comprises a passive blackboard eraser 4, an electronic chalk 5 and a controller 6; the display material layer 202 comprises a magnetic electronic ink material, different magnetic poles of the magnetic electronic ink material face outward to display different colors;

[0033] The controller 6 is electrically connected with the electronic paper blackboard 2, the electronic chalk 5 is provided with a first magnet, and the first magnet is detachably connected with the electronic chalk 5, the electronic chalk 5 is used to change the magnetic pole direction of the magnetic electronic ink material through the first magnet to change the color of the magnetic electronic ink material to form writing content, the passive blackboard eraser 4 is provided with a second magnet, and the second magnet is detachably connected with the passive blackboard eraser 4, the passive blackboard eraser 4 is used to reset the magnetic pole direction of the magnetic electronic ink material through the second magnet to erase the corresponding writing content.

[0034] Specifically, as Figure 1 and Figure 2As shown, by setting the controller 6 in electrical connection with the electronic paper blackboard 2, the electronic chalk 5 is provided with a first magnet, and the color of the magnetic electronic ink material is changed by changing the magnetic pole direction of the magnetic electronic ink material by the first magnet, thereby forming the written content. The passive blackboard eraser 4 is provided with a second magnet, and the magnetic pole direction of the magnetic electronic ink material is reset by the second magnet, thereby erasing the corresponding written content, thereby realizing the traditional blackboard function. The electronic paper blackboard 2 can be conveniently written and erased, and the reflection of the electronic paper blackboard 2 will not affect the child's vision, which is beneficial to human health. Moreover, the first magnet is detachably connected with the electronic chalk 5, and the second magnet is detachably connected with the passive blackboard eraser 4. When the magnetic force of the first magnet and the second magnet is insufficient, they can be replaced to improve the service life of the electronic chalk 5 and the passive blackboard eraser 4.

[0035] The material of the touch cover plate 204 is generally acrylic, which is not specifically limited here; the controller 6 can be separately provided or provided on the back of the electronic paper blackboard 2 or the blackboard frame 1, which can be set according to actual needs.

[0036] In some embodiments, the blackboard frame 1 is provided with a first induction cavity 7 for placing the passive blackboard eraser 4 and a clear key 8. The first induction cavity 7 is provided with an induction device, and the induction device and the clear key 8 are respectively connected with the controller 6. The passive blackboard eraser 4 is provided with a trigger (not shown in the figure), which is used to trigger the induction device when the passive blackboard eraser 4 is placed in the first induction cavity 7. The controller 6 is used to control the electronic paper blackboard 2 to clear the screen when the induction device is triggered and the clear key 8 is triggered.

[0037] Specifically, as shown in Figure 1 and 3 In order to avoid the written content of the electronic paper blackboard 2 being cleared due to the accidental triggering of the clear key 8, the first induction cavity 7 and the clear key 8 are provided in the present application. Only when the induction device is triggered and the clear key 8 is triggered, the controller 6 can control the electronic paper blackboard 2 to clear the screen, thereby avoiding the accidental deletion of the written content of the electronic paper blackboard 2 due to accidental triggering.

[0038] In some embodiments, a waterproof layer is provided above the touch cover plate 204.

[0039] Specifically, by providing a waterproof layer above the touch cover plate 204, the electronic paper blackboard 2 has the functions of waterproof, dustproof and oil-proof.

[0040] In some embodiments, a frosted layer is provided above the waterproof layer.

[0041] Specifically, by providing a frosted layer above the waterproof layer, the friction is increased, the friction texture of the electronic chalk 5 on the electronic paper blackboard 2 is improved, and the experience of writing is improved.

[0042] In some embodiments, the electronic chalk 5 comprises a pen head 502 and a pen barrel 501, the pen head 502 and the pen barrel 501 are detachably connected, the pen head 502 has a first magnet.

[0043] Specifically, as shown in Figure 4 by setting the pen head 502 and the pen barrel 501 to be detachably connected, the pen barrel 501 can be easily replaced, the pen barrel 501 can have different thickness structures, and the appropriate pen barrel 501 can be replaced according to the actual user's preference or habit to improve the writing experience, wherein the pen head 502 and the pen barrel 501 can be connected by threads.

[0044] In some embodiments, a plurality of electronic paper blackboards 2 are arranged in the blackboard frame 1.

[0045] Specifically, by arranging a plurality of electronic paper blackboards 2, the electronic paper blackboard 2 can be used for different use purposes, for example, one of the electronic paper blackboards 2 is used for writing, and the other electronic paper blackboard 2 is used for playing lecture notes, which can be used according to actual needs, and the specific is not limited to this.

[0046] In some embodiments, the driving backboard layer 201 is a TFT (Thin Film Transistor) glass backboard.

[0047] Specifically, by setting the driving backboard layer 201 as a TFT glass backboard (prior art), the electronic paper blackboard 2 has the advantages of high response, high brightness and high contrast.

[0048] In some embodiments, the sensing device is a photoelectric receiver, and the trigger is a photoelectric emitter.

[0049] Specifically, since the photoelectric sensor has the advantages of high precision, fast response speed and non-contact, the sensing device is set as a photoelectric receiver, and the trigger is a photoelectric emitter, which can quickly respond to achieve the effect of one-key screen clearing.

[0050] In some embodiments, the sensing device is an RFID card reader, and the trigger is an electronic tag.

[0051] Specifically, by setting the RFID card reader and the electronic tag, it is easy to package and can be embedded in the product, and has a long service life. Compared with bar code, it does not need to be straightly aligned for scanning, and has faster reading and writing speed and smaller size.

[0052] In some embodiments, the electronic paper blackboard device according to any one of the above further comprises a camera and a start key, the camera is arranged in front of the electronic paper blackboard 2, the lens of the camera is arranged towards the electronic paper blackboard 2, the camera is connected with the controller, and the start key is wirelessly connected with the camera. The start key is used to control the camera to shoot all the writing contents at the current time on the electronic paper blackboard 2.

[0053] Specifically, by setting the camera and the start key, when the writing content on the electronic paper blackboard 2 needs to be saved, the camera is controlled by the start key to shoot all the writing content on the electronic paper blackboard 2, so that all the writing content at the current time can be saved.

[0054] The start key can be a separately set button, or can be a button set on the blackboard frame 1, and can be set according to actual needs.

[0055] In a second aspect, the application provides a control method of an electronic paper blackboard device, applied to a classroom note generation system, the classroom note generation system comprising the above-mentioned electronic paper blackboard device and a remote control center, the electronic paper blackboard device being in communication connection with the remote control center, and the control method comprising the steps of:

[0056] S1. displaying a lecture note in a first preset area 901 of the electronic paper blackboard by the electronic paper blackboard device;

[0057] S2. shooting a first picture of the electronic paper blackboard device by the camera of the electronic paper blackboard device and sending the first picture to the remote control center, the first picture comprising an image of the first preset area 901 and an image of a second preset area 902 of the electronic paper blackboard 2; the second preset area 902 being used for writing explanation content for the currently displayed lecture note;

[0058] S3. when the remote control center receives the first picture, matching and fusing the content of the image of the first preset area 901 and the image of the second preset area 902 to generate a classroom note file, and recording the matching content in the image of the first preset area 901 and the image of the second preset area 902 in adjacent positions in the classroom note file.

[0059] Specifically, as Figure 5 and Figure 6As shown, in order for students to timely recall the classroom notes when reviewing after class, or because the students are not concentrated enough in class and miss some knowledge point explanation, therefore, the written content of the lecture notes corresponding to the explanation needs to be saved and placed in the adjacent position of the corresponding chapter of the lecture notes, so as to facilitate the students to review the explanation process of an important knowledge point, therefore, the present application divides the first preset area 901 and the second preset area 902 on the electronic paper blackboard 2, wherein the first preset area 901 and the second preset area 902 can be different areas of the same electronic paper blackboard 2, if the electronic paper blackboard device includes a plurality of electronic paper blackboards 2, the first preset area 901 and the second preset area 902 can also be different electronic paper blackboards 2, for example, the position of the first preset area 901 is the left half of the electronic paper blackboard 2, and the second preset area 902 is the right half of the electronic paper blackboard, the first preset area 901 can also be set as one fourth of the electronic paper blackboard 2, and the remaining three fourths of the electronic paper blackboard 2 as the second preset area 902 (as Figure 5 As shown), the first preset area 901 and the second preset area 902 can be set according to actual needs, and the specific is not limited thereto; by the camera shooting the image containing the first preset area 901 of the electronic paper blackboard 2 and the image of the second preset area 902, thereby, when the first picture is received by the remote control center, the contents of the image of the first preset area 901 and the image of the second preset area 902 are matched and fused to generate a classroom note file, so that the matching contents in the image of the first preset area 901 and the image of the second preset area 902 are recorded in the adjacent position in the classroom note file, wherein the contents in the image of the first preset area 901 and the image of the second preset area 902 can be matched according to the keywords (such as chapter number, but not limited thereto) of the contents, for example, it is identified (as prior art) that the matching contents in the image of the first preset area 901 are the contents of the second chapter first section (i.e. the chapter content corresponding to the lecture notes), and the matching contents in the image of the second preset area 902 are the explanation contents for the second chapter first section (i.e. the written content on the current electronic paper blackboard), when the classroom note file is fused and generated, the explanation contents for the second chapter first section can be placed in a certain position in the upper, lower, left and right positions of the contents of the second chapter first section corresponding to the lecture notes, thereby forming the classroom note file for students to review or review.

[0060] In the embodiments of the present application, it should be understood that the disclosed apparatus and method can be implemented in other manners. The embodiments described above are merely exemplary, for example, the division of the units is only a logical function division, and there can be another division manner for the actual implementation, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the displayed or discussed mutual couplings or direct couplings or communication connections can be indirect couplings or communication connections through some interfaces, devices or units, and can be electrically, mechanically or in other forms.

[0061] In addition, the units described as separate components can or can not be physically separate, and the components displayed as units can or can not be physical units, i.e., can be located in one place, or can be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purposes of the embodiments of the present application.

[0062] In addition, the functional modules in each of the embodiments of the present application can be integrated together to form an independent part, or each module can exist independently, or two or more modules can be integrated to form an independent part.

[0063] In this document, the terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations.

[0064] The above are only embodiments of the present application, and are not used to limit the protection scope of the present application. For those skilled in the art, various modifications and changes can be made to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An electronic paper blackboard apparatus comprising a blackboard frame (1), characterized in that, The blackboard frame (1) is provided with at least one electronic paper blackboard (2), the electronic paper blackboard (2) comprises a driving backboard layer (201), a display material layer (202), a transparent conductive layer (203) and a touch cover plate (204) which are sequentially stacked, the electronic paper blackboard (2) further comprises a passive blackboard eraser (4), an electronic chalk (5) and a controller (6), the display material layer (202) comprises a magnetic electronic ink material, different magnetic poles of the magnetic electronic ink material show different colors when facing outward. The controller (6) is electrically connected with the electronic paper blackboard (2), the electronic chalk (5) is provided with a first magnet, and the first magnet is detachably connected with the electronic chalk (5), the electronic chalk (5) is used for changing the magnetic pole direction of the magnetic electronic ink material through the first magnet so as to change the color of the magnetic electronic ink material and form writing content, the passive blackboard eraser (4) is provided with a second magnet, and the second magnet is detachably connected with the passive blackboard eraser (4), the passive blackboard eraser (4) is used for resetting the magnetic pole direction of the magnetic electronic ink material through the second magnet so as to erase the corresponding writing content. The blackboard frame (1) is provided with a first induction cavity (7) for placing the passive blackboard eraser (4) and a clear key (8), the first induction cavity (7) is provided with an induction device, the induction device and the clear key (8) are connected with the controller (6) respectively, the passive blackboard eraser (4) is provided with a trigger, the trigger is used for triggering the induction device when the passive blackboard eraser (4) is placed in the first induction cavity (7), and the controller (6) is used for controlling the electronic paper blackboard (2) to clear the screen when the induction device is triggered and the clear key (8) is triggered. A camera and a start key are further included, the camera is arranged in front of the electronic paper blackboard (2), a lens of the camera faces the electronic paper blackboard (2), the camera is connected with the controller (6), the start key is wirelessly connected with the camera, and the start key is used for controlling the camera to shoot all the writing content at the current time on the electronic paper blackboard (2). 2.The electronic paper blackboard device of claim 1, wherein, A waterproof layer is arranged above the touch cover plate (204). 3.The electronic paper blackboard device of claim 2, wherein, A frosted layer is arranged above the waterproof layer. 4.The electronic paper blackboard device of claim 1, wherein, The electronic chalk (5) comprises a pen head (502) and a pen barrel (501), the pen head (502) and the pen barrel (501) are detachably connected, and the pen head (502) is provided with the first magnet. 5.The electronic paper blackboard device of claim 1, wherein, The driving backboard layer (201) is a TFT glass backboard. 6.The electronic paper blackboard device of claim 1, wherein, The induction device is an RFID card reader, and the trigger is an electronic tag.

7. The electronic paper blackboard device according to claim 1, wherein The induction device is a photoelectric receiver, and the trigger is a photoelectric emitter. 8.A control method of an electronic paper blackboard device, applied to a classroom note generation system, characterized in that, The classroom note generation system comprises the electronic paper blackboard device and a remote control center, the electronic paper blackboard device is in communication connection with the remote control center, and the control method comprises the following steps: S1. Displaying a lecture note in a first preset area (901) of the electronic paper blackboard (2) through the electronic paper blackboard device; S2. Capturing a first picture of the electronic paper blackboard device through a camera of the electronic paper blackboard device and sending the first picture to the remote control center, the first picture containing an image of the first preset area (901) and an image of a second preset area (902) of the electronic paper blackboard (2); the second preset area (902) is used for writing explanation content for the currently displayed lecture note; S3. When receiving the first picture, the remote control center matches and fuses the content of the image of the first preset area (901) and the image of the second preset area (902) to generate a class note file, so that the matching content in the image of the first preset area (901) and the image of the second preset area (902) is recorded in the class note file in adjacent positions.

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