CN111739353B - Myopia-preventing writing board - Google Patents
Myopia-preventing writing board Download PDFInfo
- Publication number
- CN111739353B CN111739353B CN202010579543.9A CN202010579543A CN111739353B CN 111739353 B CN111739353 B CN 111739353B CN 202010579543 A CN202010579543 A CN 202010579543A CN 111739353 B CN111739353 B CN 111739353B
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- board
- main board
- cover plate
- motor
- rotating shaft
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The invention provides a myopia-preventing writing board, which consists of a rectangular main board and a rectangular cover board, wherein the rectangular main board and the rectangular cover board can be opened and closed; a groove is formed in the back face of the main board, a supporting foot plate is installed in the groove, and a second motor is arranged in a rotating shaft connected with the main board through the supporting foot plate; lifting arms are arranged on two sides of the front surface of the cover plate, and a strip-shaped lamp body capable of rotating along a horizontal shaft is connected between the top ends of the two lifting arms; the front surface of the cover plate is provided with a touch screen, an illumination sensor, a camera and a plurality of infrared distance sensors, the back surface of the cover plate is provided with a button switch, and the main board is internally provided with a PCB main board and a battery. The angle between the main board and the supporting plate can be more intelligently adjusted so as to ensure a more proper main board inclination angle; through the angle of adjusting mainboard and apron, guarantee when the mainboard inclination changes, the angle of desktop and apron is unchangeable to sight angle when guaranteeing the user and watching the screen.
Description
Technical Field
The invention relates to a learning tool, in particular to a myopia-preventing writing board.
Background
The existing writing board is of a pure mechanical structure, is simple and single in structure, is only simple to incline the desktop or adopts a mechanical limiting device to ensure the distance between eyes and books, and is single in supervision effect on a user and low in practical value. And the structure such as the slope angle can not be adjusted in time, so that the optimal range of reading vision can not be accurately ensured for a long time, and the scientificity is lacked. The restraint feeling caused by the mechanical limiting structure is strong, the use experience is poor, and therefore the user can resist the mind and cannot achieve the purpose of preventing myopia.
Disclosure of Invention
The invention relates to a multifunctional intelligent myopia-preventing writing board, and aims to provide a device capable of effectively preventing myopia caused by too short sight distance during reading for a user. The specific scheme is as follows:
the invention provides a myopia-preventing writing board, which consists of a rectangular main board and a rectangular cover plate, wherein the rectangular main board and the rectangular cover plate can be opened and closed;
the back surface of the main board is provided with a groove, a supporting foot plate is arranged in the groove, a supporting foot plate rotating shaft is arranged on one side edge of the groove, which is far away from the main board rotating shaft, a second motor is arranged in the supporting foot plate rotating shaft, one side edge of the supporting foot plate is arranged on the supporting foot plate rotating shaft, and the other side edge of the supporting foot plate is turned over downwards to support the writing board;
two sides of the front surface of the cover plate, which are vertical to the rotating shaft of the main plate, are provided with lifting arms, the front surface of the cover plate is provided with a third motor for driving the two lifting arms to lift simultaneously, a bar-shaped lamp body which can rotate along a horizontal shaft is connected between the top ends of the two lifting arms, the top end of one lifting arm is provided with a fourth motor for driving the bar-shaped lamp body to rotate,
the novel LED lamp comprises a cover plate, and is characterized in that a touch screen, an illumination sensor, a camera and a plurality of infrared distance sensors are arranged on the front surface of the cover plate, a button switch is arranged on the back surface of the cover plate, a PCB (printed circuit board) main board and a battery are arranged in the main board, the battery is connected with the PCB main board, a control circuit is arranged on the PCB main board, and a first motor, a second motor, a third motor, a fourth motor, a bar-shaped lamp body, the touch screen, the illumination sensor, the camera, the infrared distance sensors and the switch button are all electrically connected with the PCB main board.
Furthermore, a sound box is arranged on the main board and/or the cover plate, and a 3.5mm earphone interface is arranged on the side edge of the main board and connected with the PCB main board.
Furthermore, when the writing board is in an open state, the angle between the main board and the cover board is 105 degrees + alpha, and alpha is the included angle between the main board and the desktop.
Furthermore, the main board rotating shaft is a hinge type rotating shaft.
Furthermore, the PCB mainboard is provided with a wifi module and a Bluetooth module.
The invention has the advantages that:
(1) the angle between the main board and the supporting board can be more intelligently adjusted to ensure a more proper main board inclination angle; by adjusting the angle between the main board and the cover plate, the angle between the desktop and the cover plate is ensured to be unchanged when the inclination angle of the main board is changed, so that the sight angle of a user when watching a screen is ensured;
(2) the angle between the cover plate and the LED lamp can be adjusted, and the light angle and the light intensity of the reading environment of a user can be ensured by matching with the light intensity sensor;
(3) introduce single chip microcomputer control technique, utilize the camera, infrared ray distance sensor comes multi-angle monitoring user's reading distance, has solved mechanical stop device function singleness and has experienced the relatively poor problem of sense. And the use data of the user can be recorded in the program background by the singlechip control technology, the use habit of the user is comprehensively analyzed, and a reasonable improvement scheme is provided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a rear perspective view of a myopia-preventing tablet according to the present invention in an unfolded state;
FIG. 2 is a rear perspective view of the present invention in an expanded condition;
FIGS. 3-5 are front, back and side views of the tablet of the present invention in a closed position;
figs. 6-8 are front, back and side views of the tablet of the present invention in an expanded state.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
In the following description, for the purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The following detailed description of the preferred embodiments of the invention, however, the invention is capable of other embodiments in addition to those detailed.
As shown in fig. 1-2, the present invention provides a myopia-preventing tablet, which is composed of a rectangular main board 1 and a rectangular cover board 2, wherein the angle between the main board 1 and the cover board 2 is 0-130, the cover board 2 is installed on a main board rotating shaft 4 on one side of the main board 1, and a first motor 6 is arranged in the main board rotating shaft 4;
the back surface of the main board 1 is provided with a rectangular shallow groove 5, a supporting foot plate 3 is installed in the groove 5, a supporting foot plate rotating shaft 17 is arranged on one side edge of the groove 5, which is far away from the main board rotating shaft 4, a second motor 18 is arranged in the supporting foot plate rotating shaft 17, one side edge of the supporting foot plate 3 is installed on the supporting foot plate rotating shaft 17, and the other side edge of the supporting foot plate 3 is turned downwards to support the writing board. The supporting foot plate 3 is positioned below the main board 1, the supporting foot plate 3 can be folded in a groove 5 which is slightly larger than the supporting foot plate on the back surface of the main board 1 when the writing board is in a closed state, the writing board is unfolded from the groove 5 in an opening state, one end of the writing board is connected with the main board 1, the other end of the writing board is supported on a desktop, and the inclination angle alpha between the main board 1 and the desktop is controlled by adjusting the opening and closing angle.
The cover plate 2 is provided with circuit devices such as a controller. The middle part is provided with a touch screen 8 which is responsible for displaying information; the bottom end of the cover plate 2 (namely below the touch screen 8) is provided with an illumination sensor 9 for detecting the brightness of ambient light to protect eyesight, and the actual illumination intensity of a book placing area can be better monitored by designing the lower portion of the cover plate; the upper end of the cover plate 2 is provided with a camera 10 which is used for the functions of face and upper body identification and the like; the upper end of the cover plate 2 is provided with a plurality of infrared distance sensors 11 for measuring the distance between the head and the body of a user.
The both sides of 2 positive perpendicular to mainboard pivots 4 are provided with the lifing arm 12 at the apron, and openly being provided with at apron 2 and being used for driving the third motor 13 that two lifing arms 12 go up and down simultaneously, are connected with one between 12 tops of two lifing arms and can follow horizontal axis pivoted bar lamp body 14, are equipped with the LED light in the bar lamp body 14 for adjust field of vision environment luminance, play the effect of protection eyesight. A fourth motor 15 is provided in the strip lamp body 14, and the angle between the strip lamp body 14 and the lifting arm 12 can be adjusted to adjust the illumination angle.
The back of the cover plate 2 is provided with a switch button 16, the button is pressed down, the writing board is started, and the cover plate 2 rotates around the main board rotating shaft 4 to be opened and enters a working state. And the writing board is pressed down again, the strip-shaped lamp body 14 provided with the LED illuminating lamp rotates to be parallel to the cover plate 2, the two lifting arms 12 of the lifting mechanism retract into the cover plate 2, so that the strip-shaped lamp body 14 is tightly attached to the cover plate 2, then the cover plate 2 rotates around the main plate rotating shaft 4 to be closed until being tightly attached to the main plate 1, and if the cover plate is blocked by foreign matters in the closing process, the operation is stopped, and an alarm is given. After the foreign matter is removed, the operation can be continued, and the closing instruction is completed. When the writing board is in an opening state, the screen 8 of the cover plate 2 faces a user, and the switch button 16 is arranged on the back of the cover plate 2.
One end of the supporting foot plate 3 is connected with one side of the groove 5 on the back surface of the main plate 1 through a rotating shaft 17, the supporting foot plate is driven by a second motor 18 arranged in the main plate 1 to rotate around the rotating shaft 17, and the other end of the supporting foot plate is contacted with a table top to play a supporting role. When the writing board is in a closed state, the supporting foot plate 3 is accommodated in the groove 5 on the back surface of the main board 1, at the moment, the back surface of the main board 1 is attached to the desktop, and the angle is 0. When the writing board is opened, the controller outputs an instruction to control the second motor 18 to operate, the second motor 18 drives the supporting foot board 3 to rotate around the supporting foot board rotating shaft 17, the other end of the supporting foot board 3 applies pressure to the desktop, and the mainboard 1 is jacked up through a reaction force.
In an optional embodiment, a sound 7 is arranged on the main board 1 and/or the cover plate 2, and a 3.5mm earphone interface is arranged on the side edge of the main board 1 to be connected with the PCB main board.
In an alternative embodiment, when the tablet is in the open state, the angle between the main board 1 and the cover board 2 is 105 ° + α, α is the angle between the main board 1 and the desktop, so as to ensure that the cover board 2 always keeps 105 ° with the desktop.
The first motor 6, the second motor 18, the third motor 13 and the fourth motor 15 are speed reduction motors.
In an alternative embodiment, the main plate hinge 4 is a hinged hinge.
In an optional embodiment, a wifi module and a bluetooth module are mounted on the PCB main board.
The using method of the invention is as follows:
v, an initialization use method: when the writing board is started for the first time, the supporting foot board 3 jacks up the main board 1, the angle between the main board 1 and the desktop is alpha degree, and the cover board 2 is opened to form 105+ alpha degree with the main board 1. Entering an initialization stage, the touch screen 8 prompts a user to correct a sitting posture (the sitting posture advocated by the state is taken as a standard), the camera 10 identifies the upper body and the face, the height of the sitting posture is determined, the positions of eyes are identified, the supporting foot plates 3 are controlled to rotate through the second motor 18 so as to adjust the included angle between the main board 1 and the desktop, the included angle is suitable for the sitting posture height and the eye height of the user, the infrared distance sensor 11 sets a limit distance according to the sitting posture height and the eye height, and the head and the trunk are lower than the limit distance to send out lifting or alarming. And after the initialization is finished, entering a normal working state. If the environmental factors change (such as the user changes, the desk and the chair change, and the like), the switch button 16 is pressed for five seconds before the tablet is started, and the initial adjustment state can be entered.
VI, a working state using method: after the writing board is in the working state, the writing board can have the following functions:
1) the infrared distance sensor 11 and the camera 10 are used for monitoring the sitting posture of a user for reading and writing, the situations of head correction (over-close head, long-time head side inclination and the like) and body correction (over-close body, long-time body inclination and the like) and the like are generated, a prompt is sent through the touch screen 8, a prompt sound is played at the same time, and a harsh alarm is sent out if no correction is made for a long time.
2) The touch screen 8 has a touch screen clicking function, can run an application program, can be connected with a wireless network, can provide functions of software login, document reading, video playing, on-line class giving and the like for a user, and has a similar function to a tablet personal computer.
3) The light irradiation brightness of the LED illuminating lamp module can be adjusted through the light intensity of the environment, the two lifting arms of the lifting mechanism are controlled to lift to adjust the light irradiation height through the third motor 13 in the cover plate 2, and the fourth motor 15 in the strip-shaped lamp body 14 drives the LED illuminating lamp on the strip-shaped lamp body 14 to rotate to adjust the light projection angle.
4) The controller in the mainboard 1 will be preserved and the analysis user's position of sitting monitoring data, and data analysis is looked over in the touch screen operation of user's accessible screen 8, can play warning and improving effect to self unconscious action.
The invention abandons the mechanical limit design of the prior myopia prevention writing board in structure, adopts an electronic monitoring system, and utilizes the combination of a camera and an infrared distance sensor to monitor and prompt the user to correct the reading sitting posture at any time. Utilize the state of motor adjustment board, can be according to the high automatically regulated inclination of board mainboard of the user visual angle of camera portrait discernment collection. The angle between the cover plate and the main plate is controlled by a motor, the angle between the cover plate and the desktop is always kept at 105 degrees, and the angle is suitable for a user to watch the screen. The angle of the cover plate to the main plate is thus 105 degrees plus the small angle of the main plate to the table top. The invention also designs an LED lamp capable of automatically adjusting the illumination intensity and the projection angle, the mechanism is provided with a motor for controlling the height of the light, a motor for controlling the angle of the light, and a light intensity sensor for monitoring the ambient light intensity and automatically adjusting the brightness of the LED lamp, so that the ambient light is stable and is suitable for a user to read. The light intensity sensor is designed at the lower end of the cover plate, and aims to better monitor the actual illumination intensity of the book area. In addition, the invention can also carry out data analysis on the sitting posture, eye habits, learning concentration degree and the like of the user through the data acquired by the camera and the infrared distance sensor, and the user can check the data so as to correct unconscious behaviors and ensure good sitting posture habits to prevent myopia.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in which devices and structures not described in detail are understood to be implemented in a manner that is conventional in the art; those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or modify equivalent embodiments to equivalent variations, without departing from the spirit of the invention, using the methods and techniques disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (4)
1. A myopia-preventing writing board is characterized in that the writing board is composed of a rectangular main board (1) and a rectangular cover board (2), the rectangular main board (1) can be opened and closed, the cover board (2) is installed on a main board rotating shaft (4) on one side edge of the main board (1), and a first motor (6) is arranged in the main board rotating shaft (4);
the writing board is characterized in that a groove (5) is formed in the back face of the main board (1), a supporting foot board (3) is installed in the groove (5), a supporting foot board rotating shaft (17) is arranged on one side edge, away from the main board rotating shaft (4), of the groove (5), a second motor (18) is installed in the supporting foot board rotating shaft (17), one side edge of the supporting foot board (3) is installed on the supporting foot board rotating shaft (17), the other side edge of the supporting foot board is turned downwards to support the writing board, when the writing board is in an opening state, the angle between the main board (1) and the cover plate (2) is 105 degrees + alpha, and alpha is the included angle between the main board (1) and a desktop;
lifting arms (12) are arranged on two sides of the front surface of the cover plate (2) which are vertical to the main plate rotating shaft (4), a third motor (13) for driving the two lifting arms (12) to lift simultaneously is arranged on the front surface of the cover plate (2), a bar-shaped lamp body (14) which can rotate along a horizontal shaft is connected between the top ends of the two lifting arms (12), a fourth motor (15) for driving the bar-shaped lamp body (14) to rotate is arranged on the top end of one lifting arm (12),
the LED lamp comprises a cover plate (2), and is characterized in that a touch screen (8), an illumination sensor (9), a camera (10) and a plurality of infrared distance sensors (11) are arranged on the front surface of the cover plate (2), a switch button (16) is arranged on the back surface of the cover plate (2), a PCB (printed circuit board) and a battery are arranged in the mainboard (1), the battery is connected with the PCB, a control circuit is arranged on the PCB, and a first motor (6), a second motor (18), a third motor (13), a fourth motor (15), a bar-shaped lamp body (14), the touch screen (8), the illumination sensor (9), the camera (10), the infrared distance sensors (11) and the switch button (16) are all electrically connected with the PCB.
2. A myopia-preventing tablet according to claim 1, wherein the main board (1) and/or the cover plate (2) are provided with the speaker (7), and the side of the main board (1) is provided with a 3.5mm earphone interface connected with the PCB main board.
3. The myopia-preventing writing board according to claim 1, wherein the main board rotation shaft (4) is a hinge-type rotation shaft.
4. The myopia-preventing writing board according to claim 1, wherein a wifi module and a bluetooth module are mounted on the PCB main board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010579543.9A CN111739353B (en) | 2020-06-23 | 2020-06-23 | Myopia-preventing writing board |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010579543.9A CN111739353B (en) | 2020-06-23 | 2020-06-23 | Myopia-preventing writing board |
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| CN111739353A CN111739353A (en) | 2020-10-02 |
| CN111739353B true CN111739353B (en) | 2022-05-27 |
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| CN202010579543.9A Active CN111739353B (en) | 2020-06-23 | 2020-06-23 | Myopia-preventing writing board |
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| CN113781890B (en) * | 2021-09-10 | 2023-11-14 | 南京宝舜达信息技术有限公司 | Building equipment based on light BIM building model |
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| CN111739353A (en) | 2020-10-02 |
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