阅读说明：本技术 一种基于压力感应的手写装置 (Handwriting device based on pressure induction ) 是由 林志 何俊海 于 2019-08-29 设计创作，主要内容包括：本发明公开了一种基于压力感应的手写装置,包括：感应面板,所述感应面板用于在进行手写时,感应在其表面产生的压力变化,并生成电信号；处理模块,所述处理模块与所述感应面板电连接,其用于处理所述电信号,并得出笔迹数据；存储模块,所述存储模块与所述处理模块电连接,其用于记录所述笔迹数据；显示模块,所述显示模块与所述存储模块电连接,其用于读取所述笔迹数据并进行显示,涉及内容数字化领域。本发明可以不局限于使用电子笔进行书写,只要能在感应面板上产生压力变化的书写设备,如铅笔、钢笔、圆珠笔等均可使用,解除了使用限制,在需要多人大量书写的情况下,使用更方便,有利于在教学场景下的推广。(The invention discloses a handwriting device based on pressure induction, which comprises: the induction panel is used for inducing pressure change generated on the surface of the induction panel during handwriting and generating an electric signal; the processing module is electrically connected with the induction panel and is used for processing the electric signal and obtaining handwriting data; the storage module is electrically connected with the processing module and is used for recording the handwriting data; and the display module is electrically connected with the storage module, is used for reading and displaying the handwriting data, and relates to the field of content digitization. The invention can be used by writing equipment such as pencils, pens, ball-point pens and the like which can generate pressure change on the induction panel without being limited to the use of an electronic pen, so that the use limitation is removed, the use is more convenient under the condition that a large number of people are required to write, and the popularization in a teaching scene is facilitated.)

1. A handwriting device based on pressure induction, comprising:

the induction panel (1) is used for inducing pressure change generated on the surface of the induction panel (1) during handwriting and generating an electric signal;

the processing module (2) is electrically connected with the induction panel (1) and is used for processing the electric signals and obtaining handwriting data;

the storage module (3) is electrically connected with the processing module (2) and is used for recording the handwriting data;

the display module (4) is electrically connected with the storage module (3) and is used for reading and displaying the handwriting data.

2. The pressure-sensing based handwriting device of claim 1, wherein: the induction panel (1) comprises a plurality of rows of X-axis electrodes (11) and a plurality of rows of Y-axis electrodes (12), wherein the X-axis electrodes (11) and the Y-axis electrodes (12) are uniformly laid to form the induction panel (1).

3. The pressure-sensing based handwriting device of claim 2, wherein: x axle electrode (11) include a plurality of piezoceramics base-plates (13) that connect gradually along X axle direction, Y axle electrode (12) include a plurality of piezoceramics base-plates (13) that connect gradually along Y axle direction, adjacent two in X axle electrode (11) adjacent two in piezoceramics base-plate (13) and Y axle electrode (12) piezoceramics base-plate (13) all connect through the wire.

4. The pressure-sensing based handwriting device of claim 3, wherein: all the piezoelectric ceramic substrates (13) are arranged in a honeycomb shape.

5. The pressure-sensing based handwriting device of claim 3 or 4, wherein: the piezoelectric ceramic substrates (13) in the X-axis electrode (11) are numbered in sequence along the X-axis direction, and the piezoelectric ceramic substrates (13) in the Y-axis electrode (12) are numbered in sequence along the Y-axis direction.

6. The pressure-sensing based handwriting device of claim 5, wherein: the processing module (2) is used for dividing the sensing panel (1) into a plurality of detection areas, respectively detecting the coordinates of the piezoelectric ceramic substrates (13) at the positions with the maximum electric signals in the X-axis direction and the Y-axis direction in the detection areas with the electric signals, taking the coordinates as the handwriting coordinates of the detection areas, and connecting all the handwriting coordinates to obtain handwriting data.

7. The pressure-sensing based handwriting device of claim 1, wherein: the handwriting device further comprises a transmission module (5), wherein the transmission module (5) is electrically connected with the storage module (3) and is used for transmitting the handwriting data to an external display device.

8. The pressure-sensing based handwriting device of claim 7, wherein: the transmission module (5) is one or more of a USB module, a Wi-Fi module and a Bluetooth module.

9. The pressure-sensing based handwriting device of claim 1, wherein: and the display module (4) reads the handwriting data in the storage module (3) once at preset time intervals and displays the handwriting data.

Technical Field

The invention relates to the field of content digitization, in particular to a handwriting device based on pressure induction.

Background

With the development of electronic technology, people also put higher demands on handwriting devices, such as portability, clear handwriting display, repeated writing and the like. In recent years, various handwriting devices have appeared to meet various requirements of users, such as electromagnetic handwriting devices, capacitive handwriting devices, and the like, and all the handwriting devices adopt the principle that a layer of sensing material is covered on a screen of display equipment, the sensing material can sense the change of electromagnetism or capacitance, and the handwriting can be restored by processing the changed electromagnetic or capacitance signals.

In the actual life use process, the following problems of the existing handwriting device are found: the special electronic pen is required to be equipped for writing, the use is limited, and the electronic pen is very inconvenient and not beneficial to popularization in a teaching scene under the condition that a plurality of people are required to write in a large quantity.

Disclosure of Invention

The present invention is directed to overcome the above-mentioned drawbacks of the prior art, and provides a handwriting device based on pressure sensing, which can write without a dedicated electronic pen.

The invention provides a handwriting device based on pressure induction, which comprises:

the induction panel is used for inducing pressure change generated on the surface of the induction panel during handwriting and generating an electric signal;

the processing module is electrically connected with the induction panel and is used for processing the electric signal and obtaining handwriting data;

the storage module is electrically connected with the processing module and is used for recording the handwriting data;

and the display module is electrically connected with the storage module and is used for reading and displaying the handwriting data.

On the basis of the technical scheme, the induction panel comprises a plurality of rows of X-axis electrodes and a plurality of rows of Y-axis electrodes, and the X-axis electrodes and the Y-axis electrodes are uniformly laid to form the induction panel.

On the basis of the technical scheme, the X-axis electrode comprises a plurality of piezoelectric ceramic substrates which are sequentially connected along the X-axis direction, the Y-axis electrode comprises a plurality of piezoelectric ceramic substrates which are sequentially connected along the Y-axis direction, and the piezoelectric ceramic substrates and the Y-axis electrode are connected through leads.

On the basis of the technical scheme, all the piezoelectric ceramic substrates are arranged in a honeycomb shape.

On the basis of the technical scheme, the piezoelectric ceramic substrates in the X-axis electrode are sequentially numbered along the X-axis direction, and the piezoelectric ceramic substrates in the Y-axis electrode are sequentially numbered along the Y-axis direction.

On the basis of the technical scheme, the processing module is used for dividing the sensing panel into a plurality of detection areas, respectively detecting the coordinates of the piezoelectric ceramic substrate at the maximum position of the electric signal in the X-axis direction and the Y-axis direction in the detection areas with the electric signal, taking the coordinates as the handwriting coordinates of the detection areas, and connecting all the handwriting coordinates to obtain handwriting data.

On the basis of the technical scheme, the handwriting device further comprises a transmission module, wherein the transmission module is electrically connected with the storage module and is used for transmitting the handwriting data to an external display device.

On the basis of the technical scheme, the transmission module is one or more of a USB module, a Wi-Fi module and a Bluetooth module.

On the basis of the technical scheme, the display module reads the handwriting data in the storage module once at preset time intervals and displays the handwriting data.

Compared with the prior art, the invention has the following advantages:

the handwriting device based on pressure induction converts pressure change generated on the surface of the handwriting device during handwriting into an electric signal through the induction panel, processes the electric signal by the processing module to obtain handwriting data, can be used by a plurality of electronic pens without limiting writing, can be used by writing equipment capable of generating pressure change on the induction panel, such as pencils, pens, ball pens and the like, removes use limitation, is more convenient to use under the condition of needing a large number of people to write, and is beneficial to popularization in a teaching scene.

Drawings

FIG. 1 is a block diagram of a handwriting device based on pressure sensing according to an embodiment of the invention;

FIG. 2 is a block diagram of a handwriting device based on pressure sensing according to an embodiment of the invention;

FIG. 3 is an enlarged view of the sensing panel according to the embodiment of the present invention;

FIG. 4 is an enlarged view of the structure of an X-axis electrode of an embodiment of the present invention;

fig. 5 is an enlarged view of the structure of the Y-axis electrode according to the embodiment of the present invention.

Reference numerals: the display device comprises a sensing panel, 11X-axis electrodes, 12Y-axis electrodes, 13 piezoelectric ceramic substrates, 2 processing modules, 3 storage modules, 4 display modules and 5 transmission modules.

Detailed Description

The invention is described in further detail below with reference to the figures and the embodiments.

Referring to fig. 1 to 2, an embodiment of the present invention provides a handwriting device based on pressure sensing, including: the device comprises an induction panel 1, a processing module 2, a storage module 3 and a display module 4.

The induction panel 1 is used for inducing pressure change generated on the surface of the induction panel during handwriting and generating an electric signal; the processing module 2 is electrically connected with the induction panel 1 and is used for processing the electric signal and obtaining handwriting data; the storage module 3 is electrically connected with the processing module 2 and is used for recording the handwriting data; the display module 4 is electrically connected with the storage module 3 and is used for reading and displaying the handwriting data.

The handwriting device based on pressure induction converts pressure change generated on the surface of the handwriting into an electric signal through the induction panel 1, processes the electric signal through the processing module 2 to obtain handwriting data, can be used by a plurality of writing devices such as pencils, pens and ball pens, and can be used by the induction panel 1 only when the pressure change is generated on the induction panel, so that the use limitation is removed, the handwriting device is more convenient to use under the condition that a large number of people are required to write, and the handwriting device is beneficial to popularization in a teaching scene.

Referring to fig. 3 to 5, in the present embodiment, preferably, the sensing panel 1 includes a plurality of rows of X-axis electrodes 11 and a plurality of rows of Y-axis electrodes 12, and the plurality of rows of X-axis electrodes 11 and the plurality of rows of Y-axis electrodes 12 are uniformly laid to form the sensing panel 1; further, the X-axis electrode 11 includes a plurality of piezoelectric ceramic substrates 13 sequentially connected along the X-axis direction, the Y-axis electrode 12 includes a plurality of piezoelectric ceramic substrates 13 sequentially connected along the Y-axis direction, and two adjacent piezoelectric ceramic substrates 13 in the X-axis electrode 11 and two adjacent piezoelectric ceramic substrates 13 in the Y-axis electrode 12 are connected by a wire; the piezoelectric ceramic substrate 13 is used as a pressure-sensitive component, the piezoelectric ceramic is an information functional ceramic material capable of converting mechanical energy and electric energy into each other, the piezoelectric ceramic is manufactured by utilizing the piezoelectric effect that the material causes relative displacement of positive and negative charge centers in the piezoelectric ceramic substrate under the action of mechanical stress to generate polarization, so that bound charges with opposite signs appear on the surfaces of two ends of the material, and the piezoelectric ceramic substrate has the sensitive characteristic, dielectric property, elasticity and the like besides the piezoelectric property. The size of the piezoelectric ceramic substrate 13 made of piezoelectric ceramic can be adjusted according to actual requirements, the piezoelectric ceramic substrate 13 is connected by adopting a lead to form a chain-shaped X-axis electrode 11 and a chain-shaped Y-axis electrode 12, and the lead can adopt various forms such as a copper wire, a silver wire and conductive silver paste; in the X-axis electrode 11 and the Y-axis electrode 12, the distance between two adjacent piezoelectric ceramic substrates 13 may be determined according to the actual substrate size, and it is not required to completely bond the substrates. The sensing panel 1 formed by uniformly laying the X-axis electrode 11 and the Y-axis electrode 12 has high sensitivity, can sense slight pressure change, and avoids handwriting loss during writing.

In this embodiment, preferably, all the piezoceramic substrates 13 are arranged in a honeycomb shape; through the size and the density of adjusting piezoceramics base plate 13, can make sensing panel 1 possess higher resolution ratio, can the position of accurate response pressure change to record the handwriting of writing well according to this, make the device's of this embodiment handwriting more clear, the subsequent expansion of being convenient for is used. The arrangement of the piezoelectric ceramic substrates 13 of the handwriting device is not limited to this form, and other arrangements that achieve the same effect are also within the scope of the invention.

In this embodiment, it is preferable that the piezoelectric ceramic substrates 13 in the X-axis electrodes 11 are sequentially numbered in the X-axis direction, and the piezoelectric ceramic substrates 13 in the Y-axis electrodes 12 are sequentially numbered in the Y-axis direction; further, the processing module 2 is configured to divide the sensing panel 1 into a plurality of detection areas, detect coordinates of the piezoelectric ceramic substrate 13 at the maximum position of the electrical signal in the X-axis direction and the Y-axis direction in the detection areas with the electrical signal, respectively, use the coordinates as handwriting coordinates of the detection areas, and connect all the handwriting coordinates to obtain handwriting data; during operation, processing module 2 divides sensing panel 1 into a plurality of detection area, the size in detection area can be adjusted according to the different requirements of detection precision in a flexible way, every detection area all contains a plurality of X axle electrode 11 and Y axle electrode 12 as shown in fig. 3, when writing the action on sensing panel 1, produce pressure change promptly, and be converted into the signal of telecommunication, then processing module 2 is in every detection area that has the signal of telecommunication respectively, detect the coordinate of electricity signal maximum position department's piezoceramics piece 13 in X axle direction, Y axle direction respectively, and regard it as the handwriting coordinate of this detection area, after having the handwriting coordinate in different detection areas, connect all handwriting coordinates and can obtain handwriting data. The more the number of the divided detection areas is, the more precise the detection process is, the higher the precision is, and the handwriting can be more accurately presented.

In this embodiment, preferably, the handwriting device further includes a transmission module 5, where the transmission module 5 is electrically connected to the storage module 3, and is configured to transmit the handwriting data to an external display device; the handwriting device of the embodiment is provided with the display module 4 and the transmission module 5, so that handwriting data obtained by the processing module 2 can be transmitted to the external display equipment, the display requirements under different scenes are met, and the application range of the handwriting device is wider; preferably, the transmission module 5 is one or more of a USB module, a Wi-Fi module, and a bluetooth module.

In this embodiment, preferably, the display module 4 reads the handwriting data in the storage module 3 once at preset time intervals, and displays the handwriting data; namely, the storage module 3 periodically sends the stored handwriting data to the display module 4 for displaying, and the refresh rate of the display module 4 can be changed by adjusting the value of the preset time, so that various display requirements are met.

Various modifications and variations of the embodiments of the present invention may be made by those skilled in the art, and they are also within the scope of the present invention, provided they are within the scope of the claims of the present invention and their equivalents.

What is not described in detail in the specification is prior art that is well known to those skilled in the art.