CN210792595U

CN210792595U - Myopia-preventing writing board

Info

Publication number: CN210792595U
Application number: CN201921640223.9U
Authority: CN
Inventors: 薛向辉
Original assignee: Shenzhen Eps Technology Co ltd
Current assignee: Shenzhen Eps Technology Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-06-19
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a myopia prevention clipboard, including drain pan, handwriting pad, display screen, distance sensor, speaker, earphone hole, button, PCB circuit board, the drain pan is located openly to the handwriting pad, the handwriting pad top is located to the display screen, distance sensor locates display screen one side, the drain pan top is located to speaker and earphone hole, inside the drain pan was located to the PCB circuit board, the drain pan side was located to the button. The utility model provides a student's chinese character writing problem, increase distance sensor, real-time detection student's distance of writing carries out the position of sitting and reminds, prevents that the student is near-sighted, has functions such as eyesight protection, position of sitting are reminded simultaneously.

Description

Myopia-preventing writing board

Technical Field

The utility model relates to an education and teaching equipment field, in particular to myopia prevention clipboard.

Background

In the electronic schoolbag project pushed by the education department, the student client is basically a flat board reforming device, and students often lack automatic control capability, cannot reasonably control time, easily cause the dependence of the students and have high cost. In addition, students often use electronic paper, so that the students inevitably ignore traditional culture and influence the writing of Chinese characters; the utility model discloses lie in developing a section and can write and realize writing data transmission simultaneously and carry out the interactive product in classroom, both solved student's chinese character and write the problem, have functions such as eyesight protection, position of sitting are reminded simultaneously.

SUMMERY OF THE UTILITY MODEL

To the problem that prior art exists, the utility model provides a myopia prevention clipboard.

In order to achieve the above purpose, the specific scheme of the utility model is as follows:

the utility model provides a myopia prevention clipboard, its characterized in that, includes drain pan, handwriting pad, display screen, distance sensor, speaker, earphone hole, button, PCB circuit board, the drain pan is openly located to the handwriting pad, the handwriting pad top is located to the display screen, distance sensor locates display screen one side, the drain pan top is located to speaker and earphone hole, inside the drain pan was located to the PCB circuit board, the drain pan side is located to the button.

Preferably, the PCB circuit board comprises a main control CPU, and a DDR module, a WIFI module, a Bluetooth module and a charging module which are all electrically connected with the main control CPU, and the main control CPU is also electrically connected with a distance sensor, a key, a display screen, a handwriting board and a loudspeaker.

Preferably, the writing pad is an electromagnetic pad.

Preferably, the display screen is an LCD capacitive screen.

Preferably, this clipboard still includes leading camera and rearmounted camera, the display screen opposite side is located to the leading camera, the drain pan back is located to the rearmounted camera, leading camera, rearmounted camera all are connected with master control CPU electricity.

Preferably, the front camera is internally provided with an optical sensor, and the optical sensor is electrically connected with the main control CPU.

Adopt the technical scheme of the utility model, following beneficial effect has:

(1) the utility model solves the problem of writing Chinese characters for students, adds a distance sensor, detects the writing distance of the students in real time, reminds the students of sitting posture, prevents the students from being short-sighted, and has the functions of protecting eyesight, reminding the students of sitting posture and the like;

(2) the utility model discloses incompletely based on dull and stereotyped transformation, and adopt the combination of little screen and handwriting pad, not only the cost is reduced more is favorable to the student to concentrate attention, holds study time.

Drawings

FIG. 1 is a front perspective view of the present invention;

FIG. 2 is a perspective view of the back of the present invention;

fig. 3 is a block diagram of functional modules of the PCB of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-3, the utility model provides a myopia prevention clipboard, including drain pan 8, handwriting pad 1, display screen 2, distance sensor 3, speaker 5, earphone hole 6, button 7, PCB circuit board, handwriting pad 1 locates drain pan 8 openly, display screen 2 locates handwriting pad 1 top, 2 one sides of display screen are located to distance sensor 3, drain pan 8 tops are located in speaker 5 and earphone 6 holes, the PCB circuit board is located inside the drain pan, button 7 locates the drain pan 8 side.

The PCB circuit board comprises a master control CPU, a DDR module, a WIFI module, a Bluetooth module and a charging module, wherein the DDR module, the WIFI module, the Bluetooth module and the charging module are all electrically connected with the master control CPU, and the master control CPU is also electrically connected with a distance sensor 3, a key 7, a display screen 2, a handwriting board 1 and a loudspeaker 5.

The handwriting board 1 adopts an electromagnetic board.

The display screen 2 adopts an LCD capacitive screen.

The writing board further comprises a front camera 4 and a rear camera 9, the front camera 4 is arranged on the other side of the display screen 2, the rear camera 9 is arranged on the back of the bottom shell 8, and the front camera 4 and the rear camera 9 are electrically connected with the main control CPU.

The front camera 4 is internally provided with an optical sensor which is electrically connected with the main control CPU.

The utility model discloses a theory of operation does:

the LCD capacitive display screen 2 is carried with an android system and used for application, development and display; the handwriting board 1 is 16K in size, and quick areas are arranged on two sides of the handwriting board, so that quick answering can be realized; a distance sensor 3 is arranged at the upper left part and used for detecting the sitting posture of a student; the front camera 4 can be used for subsequent remote education activities, and the rear camera 9 can perform functions of in-house testing, form filling and the like by scanning codes.

Distance sensor 3 can adopt the model to be vl53l0x, distance sensor 3 real-time detection student's distance of writing, writing the posture incorrect when the student, too near from the clipboard, distance sensor 3 sends the distance information who surveys to master control CPU and handles, theoretical verification through ergonomics carries out angle analysis, can be more accurate response student write the time with the distance of clipboard, carry out the position of sitting through the speaker at last and remind, prevent that the student is near-sighted.

The utility model discloses in, CPU carries out angle analysis through ergonomic theoretical verification and adopts prior art, and the here is no longer repeated.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all of which are in the utility model discloses a conceive, utilize the equivalent structure transform that the content of the specification and the attached drawings did, or directly/indirectly use all to include in other relevant technical fields the protection scope of the present invention.

Claims

1. The utility model provides a myopia prevention clipboard, its characterized in that, includes drain pan, handwriting pad, display screen, distance sensor, speaker, earphone hole, button, PCB circuit board, the drain pan is openly located to the handwriting pad, the handwriting pad top is located to the display screen, distance sensor locates display screen one side, the drain pan top is located to speaker and earphone hole, inside the drain pan was located to the PCB circuit board, the drain pan side is located to the button.

2. The myopia-preventing writing board according to claim 1, wherein the PCB circuit board comprises a main control CPU, and a DDR module, a WIFI module, a Bluetooth module and a charging module which are all electrically connected with the main control CPU, and the main control CPU is further electrically connected with a distance sensor, a key, a display screen, a handwriting board and a loudspeaker.

3. A myopia-preventing writing board according to claim 2, wherein the writing board is an electromagnetic board.

4. A myopia-preventing writing board according to claim 3, wherein the display screen is an LCD capacitive screen.

5. The myopia-preventing writing board according to claim 4, further comprising a front camera and a rear camera, wherein the front camera is arranged on the other side of the display screen, the rear camera is arranged on the back of the bottom shell, and the front camera and the rear camera are both electrically connected with the main control CPU.

6. The myopia-preventing writing board according to claim 5, wherein the front camera is internally provided with a light sensor, and the light sensor is electrically connected with a main control CPU.