CN111169201B - Handwriting practicing monitor and monitoring method - Google Patents
Handwriting practicing monitor and monitoring method Download PDFInfo
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- CN111169201B CN111169201B CN202010144234.9A CN202010144234A CN111169201B CN 111169201 B CN111169201 B CN 111169201B CN 202010144234 A CN202010144234 A CN 202010144234A CN 111169201 B CN111169201 B CN 111169201B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K29/00—Combinations of writing implements with other articles
- B43K29/005—Combinations of writing implements with other articles with sound or noise making devices, e.g. radio, alarm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K29/00—Combinations of writing implements with other articles
- B43K29/08—Combinations of writing implements with other articles with measuring, computing or indicating devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
- G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
- G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Automation & Control Theory (AREA)
- Position Input By Displaying (AREA)
Abstract
A handwriting practicing monitor and a monitoring method. When a child learns to write, whether the pen holding posture, the exertion degree, the writing sequence and the like are normal or not can directly influence the development of finger muscle groups of the child, and finally influence the writing habit of the child. A handwriting practicing monitor, comprising: triaxial acceleration sensor (6), power (1), wireless communication module (2), sensitization module (3), well accuse unit (4), storage unit (5) and voice module (7), triaxial acceleration sensor, power, sensitization module, well accuse unit, storage unit and voice module constitute and practise handwriting monitor (8), well accuse unit respectively with power, wireless communication module, sensitization module, storage unit and voice module connect, well accuse unit comprises the singlechip, the rear end of practise handwriting monitoring is connected with writing pen mount, inserts by writing pen between two arc clamp splice on the mount. The invention is used for the handwriting practicing monitor.
Description
Technical field:
the invention relates to a handwriting practicing monitor and a handwriting practicing monitoring method.
The background technology is as follows:
when a child learns to write, whether the pen holding posture, the exertion degree, the writing sequence and the like are normal or not can directly influence the development of finger muscle groups of the child, and finally influence the writing habit of the child. In addition, when students or adults with certain writing experience have standardized writing habits and improved writing level requirements, real-time monitoring and timely correction of the writing process of the students or adults are required. Therefore, an auxiliary handwriting practicing monitoring device is urgently needed to guide and perfect the writing process of a user, discover and correct various problems in the process, achieve expected practice indexes and achieve the aim of stage improvement.
The invention comprises the following steps:
the invention aims to provide a handwriting practicing monitor and a handwriting practicing monitoring method.
The above object is achieved by the following technical scheme:
a handwriting practicing monitor, comprising: triaxial acceleration sensor, power, wireless communication module, sensitization module, well accuse unit, memory cell and voice module, triaxial acceleration sensor the power the sensitization module well accuse unit the memory cell with voice module constitute the handwriting practicing monitor, well accuse unit respectively with the power wireless communication module the sensitization module the memory cell with voice module connect, well accuse unit constitute by the singlechip, handwriting practicing monitor's rear end be connected with writing pen mount, two arc clamp splice on the mount between insert by writing pen.
The handwriting practicing monitor is characterized in that the handwriting pen fixing frame consists of an annular frame, an arc-shaped clamping block and a push rod, the push rod penetrates through the annular frame, one end of the push rod is connected with the arc-shaped clamping block, the other end of the push rod is connected with a limiting plate, and a spring is sleeved on the push rod.
The power supply of the handwriting practicing monitor is a singlechip and a functional chip, and is 3.3V direct current power supply.
And the wireless communication module of the handwriting practicing monitor is in data communication with the handwriting practicing monitor and adopts a full duplex communication mode.
The handwriting practicing monitor comprises a handwriting practicing monitor body, wherein a photosensitive module of the handwriting practicing monitor body detects light conditions of a handwriting practicing environment, if the light conditions are unsuitable, a voice module is triggered, a light adjustment prompt tone is given, and the eyesight of a user is protected in real time.
The storage unit of the handwriting practicing monitor mainly comprises a Flash module and is used for storing writing track data of a practitioner and standard track data of a handwriting practicing library.
The method for monitoring the handwriting practicing monitor comprises the following steps:
(1) Before the handwriting practicing monitor is used, the handwriting practicing monitor is sleeved and buckled on the handwriting practicing pen, the axial coordinates of the three-dimensional orthogonal coordinate system are real-time acceleration values of an x axis, a y axis and a z axis, and the combined acceleration value is calculated through the axial coordinates of the three axes, so that the actual acceleration value is obtained. Comparing the positive threshold value and the negative threshold value obtained by identification, judging the handwriting practicing action state, and collecting output information;
(2) In the handwriting practicing process, noise interference exists in the acquired output data, a Kalman filtering algorithm is adopted to carry out filtering processing on the acquired output data, and the completion condition of the action behavior of the writing strokes is judged through the identified positive threshold and negative threshold;
(3) In the handwriting practicing process, drift errors exist in the acquired output data, and misjudgment of action behaviors is easy to cause, so that the action behaviors of a user are judged by adopting zero-crossing detection. If the pen is in the state of no-pen running, the collected output data is zeroed; if the pen is in a pen-moving state, the collected output data is calculated and processed to finish action behavior judgment;
(4) After each word is written, the writing track of the word is compared with the standard track in the memory, a loudspeaker is triggered according to the comparison result, and the comparison result about strokes and stroke order is broadcasted.
The invention has the beneficial effects that:
1. the power supply of the invention supplies power for the singlechip and the functional chip, and supplies power for 3.3V direct current. The wireless communication module is responsible for data communication of the handwriting practicing monitor and adopts a full duplex communication mode. The photosensitive module detects the light condition of the handwriting practicing environment, if the light condition is not proper, the voice module is triggered, and a light adjustment prompt tone is given, so that the eyesight of a user is protected in real time. The central control unit is composed of a singlechip and is characterized by low power consumption and small volume.
The storage unit of the invention mainly comprises a Flash module and is used for storing writing track data of a practitioner and standard track data of a training word stock, so that the writing track data and the standard track data are conveniently compared, training correction points are inquired, and a correction report is provided. Setting a training period and training intensity according to the rectification report and the target task.
The triaxial accelerometer of the invention has the characteristics of small volume and light weight, can measure the spatial acceleration, can fully and accurately reflect the motion property of an object, and is widely applied to the fields of aerospace, robots, wearing equipment, action monitoring and the like. The triaxial accelerometer combines the axial coordinates of the three-dimensional orthogonal coordinate system, and judges whether the pen holding is correct or not according to the inclination angle of the pen holding; judging whether the strokes of the Chinese characters are finished or not according to the finishing state of the strokes of the Chinese characters to be trained; and comparing the trace track of the Chinese character to be trained with the standard track in the character library to judge whether the trace track is standard or not.
The voice module outputs voice prompts for man-machine interaction such as starting and ending, action change, track comparison results, light intensity and the like in the process of using the handwriting practicing monitor.
Description of the drawings:
fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic diagram of the present invention.
Fig. 3 is a circuit diagram of a power supply.
Fig. 4 is a circuit diagram of a memory module.
Fig. 5 is a circuit diagram of a triaxial accelerometer.
Fig. 6 is a circuit diagram of a single chip microcomputer.
Fig. 7 is a circuit diagram of a wireless communication module.
Fig. 8 is a circuit diagram of a voice module.
Fig. 9 is a circuit diagram of the photosensitive module.
The specific embodiment is as follows:
example 1:
a handwriting practicing monitor, comprising: triaxial acceleration sensor 6, power 1, wireless communication module 2, sensitization module 3, well accuse unit 4, memory cell 5 and voice module 7, triaxial acceleration sensor the power the sensitization module well accuse unit the memory cell with voice module constitute handwriting practicing monitor 8, well accuse unit respectively with the power wireless communication module the sensitization module the memory cell with voice module connect, well accuse unit constitute by the singlechip, handwriting practicing monitoring's rear end be connected with writing pen mount, two arc clamp splice on the mount between insert by writing pen.
Example 2:
according to the handwriting practicing monitor of embodiment 1, the handwriting pen fixing frame is composed of an annular frame 9, an arc-shaped clamping block 10 and a push rod 12, the push rod penetrates through the annular frame, one end of the push rod is connected with the arc-shaped clamping block, the other end of the push rod is connected with a limiting plate 11, and a spring 13 is sleeved on the push rod.
Example 3:
according to the handwriting practicing monitor in the embodiment 1 or 2, the power supply of the handwriting practicing monitor is a singlechip and a functional chip, and is 3.3V direct current power supply.
Example 4:
the handwriting practicing monitor according to embodiment 1, 2 or 3, wherein the wireless communication module of the handwriting practicing monitor is in full duplex communication with the data communication of the handwriting practicing monitor.
Example 5:
according to the handwriting practicing monitor of embodiment 1, 2, 3 or 4, the photosensitive module of the handwriting practicing monitor detects the light condition of the handwriting practicing environment, if the light condition is not proper, triggers the voice module, gives out the light adjustment prompt tone, and protects the eyesight of the user in real time.
Example 6:
according to the handwriting practicing monitor of the embodiment 1 or 2 or 3 or 4 or 5, the storage unit mainly comprises a Flash module for storing writing track data of a practitioner and standard track data of a handwriting practicing library.
Example 7:
a method of monitoring the handwriting practicing monitor of one of embodiments 1-6, the method comprising the steps of:
(1) Before the handwriting practicing monitor is used, the handwriting practicing monitor is sleeved and buckled on the handwriting practicing pen, the axial coordinates of the three-dimensional orthogonal coordinate system are real-time acceleration values of an x axis, a y axis and a z axis, and the combined acceleration value is calculated through the axial coordinates of the three axes, so that the actual acceleration value is obtained. Comparing the positive threshold value and the negative threshold value obtained by identification, judging the handwriting practicing action state, and collecting output information;
(2) In the handwriting practicing process, noise interference exists in the acquired output data, a Kalman filtering algorithm is adopted to carry out filtering processing on the acquired output data, and the completion condition of the action behavior of the writing strokes is judged through the identified positive threshold and negative threshold;
(3) In the handwriting practicing process, drift errors exist in the acquired output data, and misjudgment of action behaviors is easy to cause, so that the action behaviors of a user are judged by adopting zero-crossing detection. If the pen is in the state of no-pen running, the collected output data is zeroed; if the pen is in a pen-moving state, the collected output data is calculated and processed to finish action behavior judgment;
(4) After each word is written, the writing track of the word is compared with the standard track in the memory, a loudspeaker is triggered according to the comparison result, and the comparison result about strokes and stroke order is broadcasted.
Claims (1)
1. A handwriting practicing monitor, comprising: triaxial acceleration sensor, power, wireless communication module, sensitization module, well accuse unit, memory cell and voice module, characterized by: the three-axis acceleration sensor, the power supply, the photosensitive module, the central control unit, the storage unit and the voice module form a handwriting practicing monitor, the central control unit is respectively connected with the power supply, the wireless communication module, the photosensitive module, the storage unit and the voice module, the central control unit consists of a singlechip, the rear end of the handwriting practicing monitor is connected with a writing pen fixing frame, and a writing pen is inserted between two arc-shaped clamping blocks on the fixing frame;
the writing pen fixing frame consists of an annular frame, an arc-shaped clamping block and a push rod, wherein the push rod penetrates through the annular frame, one end of the push rod is connected with the arc-shaped clamping block, the other end of the push rod is connected with a limiting plate, and a spring is sleeved on the push rod;
the power supply of the handwriting practicing monitor is a singlechip and a functional chip for supplying power and is 3.3V direct current power supply;
the wireless communication module of the handwriting practicing monitor is in data communication with the handwriting practicing monitor and adopts a full duplex communication mode;
the photosensitive module of the handwriting practicing monitor detects the light condition of the handwriting practicing environment, if the light condition is not proper, the voice module is triggered, and a light adjustment prompt tone is given, so that the eyesight of a user is protected in real time;
the storage unit mainly comprises a Flash module and is used for storing writing track data of a practitioner and standard track data of a training word stock;
the method for monitoring the handwriting practicing monitor comprises the following steps:
(1) Before use, the handwriting practicing monitor is sleeved and buckled on the handwriting practicing pen, the axial coordinates of the three-dimensional orthogonal coordinate system are real-time acceleration values of an x axis, a y axis and a z axis through the triaxial accelerometer, and the combined acceleration value is calculated through the axial coordinates of the triaxial, so that the actual acceleration value is obtained;
comparing the positive threshold value and the negative threshold value obtained by identification, judging the handwriting practicing action state, and collecting output information;
(2) In the handwriting practicing process, noise interference exists in the acquired output data, a Kalman filtering algorithm is adopted to carry out filtering processing on the acquired output data, and the completion condition of the action behavior of the writing strokes is judged through the identified positive threshold and negative threshold;
(3) In the handwriting practicing process, drift errors exist in the acquired output data, so that misjudgment of action behaviors is easy to cause, and therefore, zero-crossing detection is adopted to judge the action behaviors of a user;
if the pen is in the state of no-pen running, the collected output data is zeroed; if the pen is in a pen-moving state, the collected output data is calculated and processed to finish action behavior judgment;
(4) After each word is written, comparing the writing track of the word with the standard track in the memory, triggering a loudspeaker according to the comparison result, and broadcasting the comparison result about strokes and strokes order;
the triaxial accelerometer combines the axial coordinates of the three-dimensional orthogonal coordinate system, and judges whether the pen holding is correct or not according to the inclination angle of the pen holding; judging whether the strokes of the Chinese characters are finished or not according to the finishing state of the strokes of the Chinese characters to be trained; and comparing the trace track of the Chinese character to be trained with the standard track in the character library to judge whether the trace track is standard or not.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010144234.9A CN111169201B (en) | 2020-03-04 | 2020-03-04 | Handwriting practicing monitor and monitoring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010144234.9A CN111169201B (en) | 2020-03-04 | 2020-03-04 | Handwriting practicing monitor and monitoring method |
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| CN111169201A CN111169201A (en) | 2020-05-19 |
| CN111169201B true CN111169201B (en) | 2024-03-26 |
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| Publication number | Publication date |
|---|---|
| CN111169201A (en) | 2020-05-19 |
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