CN219202320U

CN219202320U - Capacitive electronic whiteboard

Info

Publication number: CN219202320U
Application number: CN202320171037.5U
Authority: CN
Inventors: 邓海; 林捷雄; 王颂民; 金波
Original assignee: SHENZHEN FREE INTERACTIVE TECHNOLOGY CO LTD
Current assignee: SHENZHEN FREE INTERACTIVE TECHNOLOGY CO LTD
Priority date: 2023-01-15
Filing date: 2023-01-15
Publication date: 2023-06-16
Anticipated expiration: 2033-01-15

Abstract

The utility model discloses a capacitive electronic whiteboard, relates to the technical field of electronic whiteboards, and solves the technical problems that an blackboard eraser in the prior art cannot be stuck and fixed with the capacitive electronic whiteboard, data cannot be stuck and fixed on the electronic whiteboard, and the efficiency is low when explanation is needed. The device comprises a writing layer, a magnetic material layer and a composite electric layer, wherein the magnetic material layer is fixedly arranged between the writing layer and the composite electric layer, the writing layer is used for writing by a user, and the magnetic material layer is used for being magnetically attracted and fixed with an external magnetic material. The electronic whiteboard comprises the magnetic material layer, the magnetic material layer is arranged between the writing layer and the composite electric layer, and the external magnetic material can be connected with the magnetic material layer, so that the special blackboard eraser and the paper data are fixed on the electronic whiteboard, and the electronic whiteboard is convenient to use and improves the efficiency.

Description

Capacitive electronic whiteboard

Technical Field

The utility model relates to the technical field of electronic whiteboards, in particular to a capacitive electronic whiteboard.

Background

The electronic whiteboard, such as an interactive electronic whiteboard, can communicate information with a computer, is connected to a PC, and projects the content on the PC onto a screen of the electronic whiteboard by using a projector, and the electronic whiteboard at the moment is equivalent to a handwriting board with a particularly large area, has the functions of writing, annotating, drawing, multimedia entertainment, web conference and the like, and is a preferable product for office, teaching and image-text interactive demonstration in the information age.

The user can use the writing pen to write, annotate, draw on the electronic whiteboard, after writing, need use special blackboard eraser to wipe its handwriting, but current special blackboard eraser does not have fixed place, separates with the electronic whiteboard, takes comparatively inconveniently when needs use special blackboard eraser to wipe the handwriting.

Besides the board eraser can not be adhered to the electronic whiteboard, the data can not be adhered, and the board eraser is troublesome and has low efficiency when the explanation is needed.

Disclosure of Invention

The utility model aims to provide a capacitive electronic whiteboard, which solves the technical problems that in the prior art, an blackboard eraser cannot be adhered to an electronic whiteboard, data cannot be adhered to the electronic whiteboard, and the electronic whiteboard is troublesome and has low efficiency when explanation is needed. The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the capacitive electronic whiteboard provided by the utility model comprises a writing layer, a magnetic material layer and a composite electric layer, wherein the magnetic material layer is fixedly arranged between the writing layer and the composite electric layer, the writing layer is used for writing by a user, and the magnetic material layer is used for carrying out magnetic attraction fixation with an external magnetic material.

Preferably, the composite electrical layer includes a capacitance sensing layer and a protective cover plate, and the capacitance sensing layer is disposed between the magnetic material layer and the protective cover plate or on a side, away from the magnetic material layer, behind the protective cover plate.

Preferably, the electronic whiteboard may further include a back plate layer disposed behind the composite electrical layer away from the writing layer and protecting the composite electrical layer.

Preferably, the length and width of the writing layer, the magnetic material layer, the composite electric layer and the backboard layer are matched with each other.

Preferably, the electronic whiteboard further comprises a fixing frame, a fixing groove is formed in the fixing frame, and the writing layer, the magnetic material layer, the composite electric layer and the back plate layer are all inserted into the fixing groove to be fixed.

Preferably, the magnetic material layer is a flexible sheet material, and the thickness is less than 1mm.

Preferably, the magnetic material layer is a non-conductive magnetic material.

Preferably, the magnetic material layer is an unmagnetized magnetic material.

Preferably, the magnetic material layer is magnetized magnetic material, and after magnetization, the N pole and the S pole of the magnetic material layer are arranged at intervals in the horizontal direction, and the width and the interval are equal.

Preferably, the external magnetic material is magnetized, and the width and the distance between the magnetized N pole and the magnetized S pole are the same as those between the magnetized N pole and the magnetized S pole, and when the external magnetic material is attracted to the magnetized layer, the magnetized N pole and the magnetized S pole are attracted to each other, and the magnetized S pole and the magnetized N pole are attracted to each other, so that the repulsive force between the magnetized N pole and the magnetized N pole, the magnetized S pole and the magnetized S pole can be reduced, and the attraction force between the magnetized N pole and the magnetized S pole can be increased.

By implementing one of the technical schemes, the utility model has the following advantages or beneficial effects:

the electronic whiteboard comprises the magnetic material layer, the magnetic material layer is arranged between the writing layer and the composite electric layer, and the external magnetic material can be connected with the magnetic material layer, so that the special blackboard eraser and the paper data are fixed on the electronic whiteboard, and the electronic whiteboard is convenient to use and improves the efficiency.

Drawings

For a clearer description of the technical solutions of embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art, in which:

FIG. 1 is a schematic diagram illustrating the overall structure of an electronic whiteboard embodiment of the present utility model;

fig. 2 is a schematic diagram of the overall structure of an electronic whiteboard according to an embodiment of the present utility model.

In the figure: 1. a writing layer; 2. a magnetic material layer; 3. a composite electrical layer; 31. a capacitance sensing layer; 32. a protective cover plate; 4. a backing layer; 5. a fixed frame; 51. a groove.

Detailed Description

For a better understanding of the objects, technical solutions and advantages of the present utility model, reference should be made to the various exemplary embodiments described hereinafter with reference to the accompanying drawings, which form a part hereof, and in which are described various exemplary embodiments which may be employed in practicing the present utility model. The same reference numbers in different drawings identify the same or similar elements unless expressly stated otherwise. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. It is to be understood that they are merely examples of processes, methods, apparatuses, etc. that are consistent with certain aspects of the present disclosure as detailed in the appended claims, other embodiments may be utilized, or structural and functional modifications may be made to the embodiments set forth herein without departing from the scope and spirit of the present disclosure.

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "transverse," and the like are used in an orientation or positional relationship based on that shown in the drawings, and are merely for convenience in describing the present utility model and to simplify the description, rather than to indicate or imply that the elements referred to must have a particular orientation, be constructed and operate in a particular orientation. The terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. The term "plurality" means two or more. The terms "connected," "coupled" and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, communicatively connected, directly connected, indirectly connected via intermediaries, or may be in communication with each other between two elements or in an interaction relationship between the two elements. The term "and/or" includes any and all combinations of one or more of the associated listed items. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In order to illustrate the technical solutions of the present utility model, the following description is made by specific embodiments, only the portions related to the embodiments of the present utility model are shown.

Examples:

as shown in fig. 1-2, the utility model provides a capacitive electronic whiteboard, which is characterized by comprising a writing layer 1, a magnetic material layer 2 and a composite electric layer 3, wherein the magnetic material layer 2 is fixedly connected with the writing layer 1 and the composite electric layer 3 in an adhesive or pressure bonding manner, the writing layer 1 is used for writing, and the magnetic material layer 2 is used for carrying out magnetic attraction fixation with an external magnetic material. Specifically, writing layer 1, magnetic material layer 2 and compound electric layer 3 connect gradually, specifically can carry out fixed connection through bonding or crimping's mode, and writing layer 1 sets up at outermost, and the user can write on writing layer 1 to can use special blackboard eraser to wipe its writing. The magnetic material layer 2 is arranged between the writing layer 1 and the composite electric layer 3, the magnetic material layer 2 has the main effects that data needed to be used can be pasted on the electronic whiteboard by utilizing external magnetic materials, the explanation is convenient or the watching is convenient, the explanation efficiency is improved, and the normal use of the writing layer 1 cannot be influenced.

As an alternative embodiment, the material of the magnetic material layer 2 is a flexible sheet material, and the thickness of the flexible sheet material is less than 1mm; the material of the magnetic material layer 2 is a non-conductive magnetic material. The flexible sheet material can be attracted with external magnetic materials, paper materials such as files and the like and the special blackboard eraser can be fixed on the electronic whiteboard, so that the electronic whiteboard is convenient to use, and meanwhile, the efficiency can be improved.

As an alternative embodiment, the composite electrical layer 3 comprises a capacitive sensing layer 31 and a protective cover plate 32, the capacitive sensing layer 31 being arranged between the magnetic material layer 2 and the protective cover plate 32 or on a side of the protective cover plate 32 facing away from the magnetic material layer 2. Specifically, in the present utility model, the position of the capacitive sensing layer 31 is disposed between the protective cover 32 and the magnetic material layer 2, the capacitive sensing layer 31 and the protective cover 32 are disposed in a stacked manner, and the protective cover 32 protects and supports the capacitive sensing layer 31. More specifically, the material of the protective cover plate 32 is a nonmetallic material, specifically, organic glass, inorganic glass, extruded sheet, and the like. The user can write on the writing layer 1 by using the writing pen, the capacitive sensing layer 31 has the function of forming a coupling capacitance with the writing pen, the writing pen and the human body form a touch signal, and the touch signal is displayed on the whiteboard after being processed by the PC; the thickness of the capacitive sensing layer 31 is less than or equal to 0.5mm.

As an alternative embodiment, the electronic whiteboard further comprises a back sheet layer 4, the back sheet layer 4 being arranged behind the composite electrical layer 3, remote from the writing layer 1, and protecting the composite electrical layer 3. Specifically, the back plate layer 4 is the bottommost layer of the electronic whiteboard, is arranged behind the composite electric layer 3 of the electronic whiteboard, is far away from the writing layer 1, and protects the capacitance sensing layer 31.

As an alternative embodiment, the electronic whiteboard further comprises a fixing frame 5, and the fixing frame 5 is capable of fixing the writing layer 1, the magnetic material layer 2, the composite electric layer 3 and the back plate layer 4. The length and width of the writing layer 1, the magnetic material layer 2, the composite electric layer 3 and the backboard layer 4 are matched with each other, a fixing groove (not shown in the figure) is formed in the fixing frame 5, and the writing layer 1, the magnetic material layer 2, the composite electric layer 3 and the backboard layer 4 are all inserted into the fixing groove to be fixed. Specifically, the length and width of the writing layer 1, the length and width of the magnetic material layer 2, the length and width of the composite electric layer 3 and the length and width of the backboard layer 4 are matched with each other, an outer frame is arranged on the outer side of the electronic whiteboard, the outer frame is a fixing frame 5, the fixing frame 5 can fix the writing layer 1, the length and width of the magnetic material layer 2, the length and width of the composite electric layer 3 and the length and width of the backboard layer 4 through fixing grooves in the fixing frame 5, and the writing layer 1, the length and width of the composite electric layer 3 and the length and width of the backboard layer 4 are integrated, so that the writing board is convenient to display and write.

As an alternative embodiment, the fixing frame 5 is provided with a groove 51, the groove 51 is used for placing a writing pen, and the groove 51 is specifically disposed at the bottom of the fixing frame 5. Specifically, the shape of the groove 51 arranged on the fixing frame 5 is matched with the size of the writing pen, the writing pen can be placed inside the groove 51 when not in use, small protrusions capable of limiting the writing pen are further arranged on the upper side and the lower side of the groove 51, the writing pen can be fixed through the protrusions after being placed in the groove 51, the writing pen is not easy to drop, convenient to use and not easy to lose.

As an alternative embodiment, the magnetic material layer 2 is made of non-conductive magnetic material, and the magnetic material layer 2 may be made of non-magnetized magnetic material or magnetized magnetic material, and when the magnetic material layer 2 is made of magnetized magnetic material, the N poles and the S poles of the magnetized magnetic material layer 2 are arranged at intervals in the horizontal direction and have equal widths and pitches, that is, in the horizontal direction, there are a row of N poles with the same width, a next row of S poles with the same width, and a next row of N poles with the same width in sequence, so that the cycle is performed. More specifically, the external magnetic material is magnetized, the width and the distance between the N pole and the S pole are the same as those of the magnetic material layer 2, and when the external magnetic material is mutually adsorbed with the magnetic material layer 2, the N pole of the external magnetic material is mutually adsorbed with the S pole of the magnetic material layer 2, and the S pole of the external magnetic material is mutually adsorbed with the N pole of the magnetic material layer 2, so that the repulsive force between the N pole and the N pole, and between the S pole and the S pole can be reduced to the greatest extent, and the adsorption force can be increased.

The embodiment is a specific example only and does not suggest one such implementation of the utility model.

The foregoing is only illustrative of the preferred embodiments of the utility model, and it will be appreciated by those skilled in the art that various changes in the features and embodiments may be made and equivalents may be substituted without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The capacitive electronic whiteboard is characterized by comprising a writing layer (1), a magnetic material layer (2) and a composite electric layer (3), wherein the magnetic material layer (2) is fixedly arranged between the writing layer (1) and the composite electric layer (3), the writing layer (1) is used for writing by a user, and the magnetic material layer (2) is used for being magnetically attracted and fixed with an external magnetic material.

2. A capacitive electronic whiteboard according to claim 1, wherein the composite electrical layer (3) comprises a capacitive sensing layer (31) and a protective cover plate (32), the capacitive sensing layer (31) being arranged between the magnetic material layer (2) and the protective cover plate (32) or on a side of the protective cover plate (32) facing away from the magnetic material layer (2).

3. A capacitive electronic whiteboard according to claim 1, characterized in that the electronic whiteboard further comprises a back sheet layer (4), said back sheet layer (4) being arranged behind the composite electrical layer (3) away from the writing layer (1) and protecting the composite electrical layer (3).

4. A capacitive electronic whiteboard according to claim 3, characterized in that the writing layer (1), the magnetic material layer (2), the composite electrical layer (3) and the backing layer (4) are all of a matching length and width.

5. A capacitive electronic whiteboard according to claim 3, further comprising a fixing frame (5), wherein a fixing groove is formed in the fixing frame (5), and the writing layer (1), the magnetic material layer (2), the composite electric layer (3) and the back plate layer (4) are all inserted into the fixing groove to be fixed.

6. A capacitive electronic whiteboard according to claim 1, wherein the layer (2) of magnetic material is a flexible sheet-like material having a thickness of less than 1mm.

7. A capacitive electronic whiteboard according to claim 6, characterized in that the layer (2) of magnetic material is of non-conductive magnetic material.

8. A capacitive electronic whiteboard according to claim 7, characterized in that the magnetic material layer (2) is an unmagnetized magnetic material.

9. A capacitive electronic whiteboard according to claim 7, wherein the magnetic material layer (2) is a magnetized magnetic material, and the N-pole and the S-pole of the magnetized magnetic material are horizontally arranged at intervals and have equal widths and pitches.

10. The capacitive electronic whiteboard of claim 9, wherein the external magnetic material is magnetized, and the width and the spacing between the magnetized N pole and S pole are the same as those between the magnetized N pole and S pole of the magnetic material layer (2), and when the external magnetic material is mutually adsorbed to the magnetic material layer (2), the N pole of the external magnetic material is mutually adsorbed to the S pole of the magnetic material layer (2), and the S pole of the external magnetic material is mutually adsorbed to the N pole of the magnetic material layer (2), so that the repulsive force between the N pole and the N pole, and the repulsive force between the S pole and the S pole can be reduced, and the adsorption force between the N pole and the S pole can be increased.