CN219405936U - Writing brush - Google Patents

Abstract

The utility model provides a writing brush, and relates to the technical field of electronic products. The writing brush comprises a brush body and a brush head arranged at the end part of the brush body, wherein the brush head comprises a plurality of clusters of brush hair, at least two clusters of brush hair are respectively fixed with a pressure sensing unit, a main control board is arranged in the brush body, and the pressure sensing units are electrically connected with the main control board. According to the writing brush, the brush hair is divided into a plurality of clusters, the pressure sensing units are respectively fixed on at least two clusters of the brush hair, and a user can conveniently and accurately monitor the pressure value of the brush hair to writing paper when using the writing brush; the pressure sensing unit is electrically connected with the main control board, so that the main control board can process and analyze the collected pressure values, a user can obtain the operation force of each stroke of the handwriting, and the handwriting practicing efficiency is improved.

Description

Writing brush

Technical Field

The utility model relates to the technical field of electronic products, in particular to a writing brush.

Background

Along with the convenience and popularization of electronic products, the writing brush assists a user to practice writing brush calligraphy by means of an information acquisition technology. The writing brush can realistically feed back the pencil movement trend and the writing track of the traditional writing brush handwriting through information collection, reflect the rhythm of a user using the pencil and the like, enable the handwriting fan to exercise independently, master the handwriting skill, improve the writing level and be popular with more and more users. However, the existing writing brush cannot monitor the pressure value of the brush hair to the writing paper in an omnibearing and precise manner, and a user cannot accurately grasp the force of each brush and the movement of the brush, so that the practice efficiency of the user is reduced.

Disclosure of Invention

The utility model provides a writing brush, which is used for solving the defect that a user cannot accurately master the operation force of a brush hair on writing paper and reduces the learning efficiency in the prior art.

The writing brush comprises a brush body and brush heads arranged at the end parts of the brush body, wherein each brush head comprises a plurality of clusters of brush hair, at least two clusters of brush hair are respectively fixed with a pressure sensing unit, a main control board is arranged in the brush body, and the pressure sensing units are electrically connected with the main control board.

According to the writing brush provided by the utility model, the waterproof layer is coated outside the pressure sensing unit.

According to the writing brush provided by the utility model, the waterproof layer is the pressure sensitive adhesive layer.

According to the writing brush provided by the utility model, the writing brush further comprises a camera, wherein the camera is arranged on the brush body and is electrically connected with the main control board.

According to the writing brush provided by the utility model, the camera is arranged at one end of the pen body far away from the pen point.

According to the writing brush provided by the utility model, the writing brush further comprises the transparent cover, the pen body is fixedly connected with the transparent cover to form the mounting cavity, and the camera is mounted in the mounting cavity.

According to the writing brush provided by the utility model, the gyroscope is arranged in the pen body, the main control board comprises the microprocessor and the voice broadcasting module, and the gyroscope and the voice broadcasting module are respectively in communication connection with the microprocessor.

According to the writing brush provided by the utility model, the gyroscope is a nine-axis gyroscope.

According to the writing brush provided by the utility model, the pen point is detachably connected with the pen body.

According to the writing brush provided by the utility model, the main control board comprises the wireless communication module, and the wireless communication module is used for being in communication connection with external electronic equipment.

According to the writing brush, the brush hair is divided into a plurality of clusters, the pressure sensing units are respectively fixed on at least two clusters of the brush hair, and a user can conveniently and accurately monitor the pressure value of the brush hair to writing paper when using the writing brush; the pressure sensing unit is electrically connected with the main control board, so that the main control board can process and analyze the collected pressure values, a user can obtain the operation force of each stroke of the handwriting, and the handwriting practicing efficiency is improved.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of a writing brush provided by the present utility model;

FIG. 2 is a schematic view of the structure of the pen point according to the present utility model;

FIG. 3 is a schematic diagram of a pressure sensing unit according to the present utility model;

fig. 4 is a schematic diagram of a main control board provided by the utility model.

Reference numerals:

1. a pen point; 11. a pen milli; 14. a connection part; 2. a pen body; 21. a sound outlet hole; 22. a switch key; 3. a pressure sensing unit; 31. a piezoresistor; 4. a camera; 41. a field of view; 5. a transparent cover.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The features of the terms "first", "second", and the like in the description and in the claims of this application may be used for descriptive or implicit inclusion of one or more such features. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The writing brush provided by the present utility model is described below with reference to fig. 1 to 4.

As shown in fig. 1 and 2, the writing brush provided by the utility model comprises a brush body 2 and a brush head 1 arranged at the end part of the brush body. The pen point 1 comprises a plurality of clusters of pen hair 11, and the pressure sensing units 3 are respectively fixed on at least two clusters of pen hair 11. A main control board is arranged in the pen body 2, and the pressure sensing unit 3 is electrically connected with the main control board.

As shown in fig. 2, the pen head 1 includes a connecting portion 14 and a pen tip 11 connected to the connecting portion 14. The connecting part 14 is located at the top of the pen head 1 and is used for connecting with one end of the pen body 2. One end of the pen pin 11 is embedded in the connecting part 14.

The pen pins 11 are divided into clusters, such as two clusters, three clusters, etc. The pressure sensing units 3 are respectively fixed on at least two clusters of pen hair 11 in the clusters of pen hair 11. In an alternative embodiment, the pen pins 11 are divided into three clusters, and the centers of the three clusters of pen pins 11 are arranged in a triangle. One pressure sensing unit 3 is fixed on each cluster of pen pins 11, or one or more pressure sensing units 3 are fixed on any two clusters of pen pins 11. In another alternative embodiment, the pins 11 are divided into five clusters, for example, one cluster of pins 11 is located in the center, and the other four clusters of pins 11 are circumferentially arranged. Wherein, four clusters of pens 11 distributed along the circumferential direction are all fixed with a pressure sensing unit 3, and one cluster of pens 11 positioned at the center is not provided with a pressure sensing unit. Or, the centers of the five-cluster pen hair 11 are arranged in a pentagon shape, and only one pressure sensing unit 3 is fixed on any three clusters of pen hair 11.

At least two pen hair 11 in the plurality of pen hair 11 are fixedly provided with a pressure sensing unit 3 for accurately measuring the pressure value of paper when a user writes. The pressure sensing unit 3 has small volume, thin thickness and light weight. In an alternative embodiment, the dimensions of the pressure sensing unit 3 are about 3.5mm by 1.6mm by 0.4mm. Thus, fixing the pressure-sensitive unit 3 on the pen pin 11 has a negligible effect on the writing quality and the use experience.

Specifically, the pressure sensing unit 3 includes piezoresistors 31 and a circuit board, wherein four piezoresistors 31 are printed on the circuit board as a wheatstone bridge. The pressure sensing unit 3 is electrically connected with a main control board in the pen body 2 through a lead. When the writing brush is used, the brush pin 11 deforms to drive the piezoresistor 31 to deform so as to generate resistance change. Specifically, as shown in FIG. 3, a voltage Vcc is applied across the Wheatstone bridge and the voltage difference between the other ends V+ and V-of the Wheatstone bridge changes, i.e., an analog voltage signal is generated. The analog voltage signal is transmitted to a main control board in the pen body 2 through a lead, an analog voltage value under the current pressure is finally obtained, and then the pressure value of each stroke passing track can be accurately obtained through the pressure-voltage relation in the calibration curve. Compared with the traditional pressure sensor, the pressure sensing unit 3 has the advantages of high data acquisition precision and stronger anti-interference capability. The conductive wire is a very thin conductive wire, and has a negligible effect on the pen pin 11.

The pressure sensing unit 3 is disposed at one end of the pen pin 11 near the connecting portion 14. It can be appreciated that the pressure sensing unit 3 is far away from the ink-dipped area of the pen milli 11, so as to ensure the accuracy of the pressure sensing unit 3 for monitoring the writing pressure value.

As shown in fig. 1, the pen body 2 has a cylindrical shape. The bottom of the pen body 2 is connected with the pen point 1. The pen body 2 is internally provided with a power supply which is electrically connected with the main control board so as to supply power for the main control board. Optionally, the power source is a button cell. In addition, a switch button 22 is arranged on the pen body 2 and is used for controlling the opening and closing of the power supply of the writing brush.

According to the writing brush, the brush hair 11 is divided into a plurality of clusters, at least two clusters of the brush hair 11 are fixed with the pressure sensing unit 3, and a user can conveniently and accurately monitor the pressure value of the brush hair 11 on writing paper when using the writing brush; the pressure sensing unit 3 is electrically connected with the main control board, so that the main control board can process and analyze the collected pressure values, a user can obtain the operation force of each stroke of the pen milli 11, and the handwriting practicing efficiency is improved.

According to the writing brush provided by the utility model, the waterproof layer is coated outside the pressure sensing unit 3.

The waterproof layer is made of a novel composite material, and has excellent waterproof performance. Taking the installation of the pressure sensing unit 3 on one of the cluster of the pen pins 11 as an example, one pressure sensing unit 3 is placed at one end of the cluster of the pen pins 11 close to the connecting portion 14. Next, a waterproof material is applied to the pressure sensing unit 3, the pressure sensing unit 3 is fixed to the pen milli 11 through the waterproof material, and meanwhile, the waterproof material is covered and sealed on the whole pressure sensing unit 3 to form a waterproof layer, so that the aim of waterproof is achieved. It should be noted that, the waterproof material adheres each pen hair 11 on the cluster pen hair 11 together, so that the cluster pen hair 11 is not easy to separate. The other pressure sensing units 3 are installed identically and are not described in detail herein.

According to the writing brush provided by the utility model, the waterproof layer is coated outside the pressure sensing unit 3, so that the aim of waterproof is fulfilled, and the pressure sensing unit 3 is prevented from being damaged when the writing brush is stained with ink or cleaned.

In an alternative embodiment, the waterproof layer is a pressure sensitive adhesive layer. Specifically, the pressure sensing unit 3 is adhered to the pen pin 11 by pressure sensing adhesive, and the pressure sensing adhesive covers the pressure sensing unit 3 to form a waterproof layer. In yet another alternative embodiment, the water barrier layer is a pressure sensitive adhesive layer.

As shown in fig. 1, the writing brush provided by the utility model further comprises a camera 4, wherein the camera 4 is arranged on the pen body 2, and the camera 4 is electrically connected with the main control board.

The camera 4 is a common miniature camera, and the shooting direction of the camera faces to writing paper. The pen body 2 is provided with a camera 4 for recording the whole pen holding gesture change of the user writing and the image track of the writing brush word. The data collected by the camera 4 can be transmitted to the main control board for data processing and analysis, so that the proposal of pen holding gesture can be given.

Specifically, the camera 4 is mounted at the end of the pen body 2 remote from the pen head 1. As shown in fig. 1, the camera 4 is fixed to the top of the pen body 2, so that the camera 4 captures an image from above the pen body 2, and the view range 41 of the camera 4 can be enlarged by completely covering the pen holding posture and the image track of the brush word, compared with a camera mounted on the side surface of the pen body 2.

The writing brush provided by the utility model further comprises a transparent cover 5. The pen body 2 and the transparent cover 5 are fixedly connected to form an installation cavity, and the camera 4 is installed in the installation cavity.

As shown in fig. 1, the transparent cover 5 is convexly arranged at one end of the pen body 2 far away from the pen point 1. Specifically, the transparent cover 5 is a cylindrical shell, and the open end of the transparent cover is fixedly connected with the end of the pen body 2, so that a closed installation cavity is formed. The camera 4 is fixed in the installation cavity, and the transparent cover 5 is transparent structure, can not influence the shooting of camera 4. In an alternative embodiment, the transparent cover 5 is glued to the pen body 2. In a further alternative embodiment, the end of the pen body 2 is provided with a recess, into which the transparent cover 5 is inserted.

The camera 4 is mounted in the mounting cavity. Specifically, the camera 4 is adhered to the wall of the top of the mounting cavity.

According to the writing brush provided by the utility model, the pen body 2 and the transparent cover 5 are fixedly connected to form the mounting cavity, and the camera 4 is mounted in the mounting cavity, so that the camera 4 is firmly fixed at the end part of the pen body 2.

Install the gyroscope in the pen body 2, the main control board includes microprocessor and voice broadcast module, gyroscope and voice broadcast module respectively with microprocessor communication connection.

The gyroscope is arranged in the pen body 2 and is in communication connection with the main control board through a lead. The gyroscope is used for monitoring the inclination angle of the pen body 2 and transmitting acquired data to the microprocessor of the main control board through a lead. The microprocessor compares and analyzes the collected inclination angle of the pen body 2 with the standard inclination angle of the pen body 2. When the inclination angle of the pen body 2 deviates, the microprocessor sends an instruction to the voice broadcasting module, and the voice broadcasting module prompts a user to correct the inclination angle of the pen holding. In the embodiment provided by the utility model, the voice broadcasting module is a loudspeaker, and the pen body 2 is provided with a sound outlet 21 corresponding to the loudspeaker.

According to the writing brush, the gyroscope is arranged in the pen body 2, and the gyroscope and the voice broadcasting module are respectively in communication connection with the microprocessor module, so that the pen holding inclination angle of a user can be conveniently monitored, the user is prompted by voice to correct the pen holding posture, and the handwriting practicing efficiency is improved.

In an alternative embodiment, the gyroscope is a nine-axis gyroscope. In other alternative embodiments, the gyroscope may be a three-axis gyroscope, a six-axis gyroscope, or the like.

Optionally, the pen head 1 is detachably connected with the pen body 2.

The pen pin 11 is worn during use, and for this purpose the pen head 1 is detachably connected to the pen body 2 for replacement of the pen head 1.

The optional pen body 2 is provided with the joint groove near the one end of nib 1, and the connecting portion 14 of nib 1 is provided with the joint. Alternatively, the connecting portion 14 of the pen head 1 is provided with a clamping groove, and one end of the pen body 2, which is close to the pen head 1, is provided with a clamping joint. When the pen body 2 and the pen point 1 are in a connection state, the clamping connector is inserted into the clamping groove. When the pen body 2 and the pen point 1 need to be disassembled, the clamping connector is pulled out of the clamping groove. Alternatively, the connecting portion 14 is provided with threads, and the pen body 2 is in threaded connection with the pen head 1.

In order to facilitate the disassembly of the pen point 1, the pressure sensing unit 3 is detachably connected with the main control board. Specifically, the end part of the wire connected to the pressure sensing unit 3 is provided with a plug, and the main control board is provided with a jack. When the pen body 2 and the pen point 1 are in a connection state, the plug is inserted into the jack to realize electric connection.

According to the writing brush provided by the utility model, the pen point 1 is detachably connected with the pen body 2, so that a user can conveniently replace a new pen point 1.

The main control board comprises a wireless communication module, and the wireless communication module is used for being in communication connection with external electronic equipment.

Specifically, as shown in fig. 4, the main control board includes a storage module, a microprocessor and a wireless communication module, which are connected by a wire. When the writing brush is used, the image information acquired by the camera 4 and the differential voltage signal acquired by the pressure sensing unit 3 are transmitted to the storage module. The microprocessor can call the logic instruction of the storage module to process and analyze the data. The wireless communication module is used for transmitting the analysis and processing data result to the external electronic equipment. The external electronic device may score the data analysis results of the microprocessor and give exercise advice. Optionally, the external electronic device includes a display to display the pen-holding gesture image and the writing track image of the brush word acquired by the camera 4 for the user to learn.

Of course, the wireless communication module can also directly transmit the information collected by the gyroscope, the camera 4 and the pressure sensing unit 3 to the external electronic equipment, and the external electronic equipment is used for analyzing and processing so as to simplify the structure of the main control board.

According to the writing brush provided by the utility model, the wireless communication module is arranged in the main control board, so that the data information collected by the pressure sensing unit 3 can be transmitted to the external electronic equipment, and the external electronic equipment is used for storage and complex analysis processing, so that the configuration requirement on the main control board is reduced.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. The writing brush is characterized by comprising a writing brush body and pen points arranged at the end part of the writing brush body, wherein each pen point comprises a plurality of clusters of pen hair, at least two clusters of pen hair are respectively fixed with a pressure sensing unit, a main control board is arranged in the writing brush body, and the pressure sensing units are electrically connected with the main control board.

2. The writing brush of claim 1, wherein the pressure sensing unit is covered with a waterproof layer.

3. The writing brush of claim 2, wherein the waterproof layer is a pressure sensitive adhesive layer.

4. The writing brush of claim 1, further comprising a camera mounted to the body, the camera electrically connected to the main control board.

5. The writing brush of claim 4, wherein the camera is mounted to an end of the body distal from the tip.

6. The writing brush of claim 5, further comprising a transparent cover, wherein the body is fixedly connected to the transparent cover to form a mounting cavity, and wherein the camera is mounted in the mounting cavity.

7. The writing brush of claim 1, wherein a gyroscope is mounted in the brush body, the main control board comprises a microprocessor and a voice broadcasting module, and the gyroscope and the voice broadcasting module are respectively in communication connection with the microprocessor.

8. The brush pen of claim 7, wherein the gyroscope is a nine-axis gyroscope.

9. The writing brush of claim 1, wherein the tip is removably connected to the body.

10. The writing brush of claim 1, wherein the main control board comprises a wireless communication module, the wireless communication module being configured to be communicatively coupled to an external electronic device.