CN110931310B

CN110931310B - Eyesight protection device based on cloud platform electronic schoolbag

Info

Publication number: CN110931310B
Application number: CN201911248253.XA
Authority: CN
Inventors: 李成
Original assignee: Gu'an Shuocheng Gas Co ltd
Current assignee: Guangzhou Jushengkang Technology Co.,Ltd.
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-12-08
Anticipated expiration: 2039-12-09
Also published as: CN110931310A

Abstract

The invention relates to the technical field of cloud platforms, and discloses an eyesight protection device based on a cloud platform electronic schoolbag, which comprises a machine body, wherein a rectangular block is fixedly connected to the right side of the machine body, a mechanical bin is arranged on the upper portion of the rectangular block, a timing barrel is fixedly mounted on the left lower portion of an inner cavity of the mechanical bin, a piston is arranged in the inner cavity of the timing barrel, connecting rods extending to the upper portion of the timing barrel are fixedly connected to the left side and the right side of the upper end of the piston, a second spring is movably sleeved on the connecting rods, and a first magnet block is fixedly mounted above the connecting rods. According to the vision protection device based on the cloud platform electronic schoolbag, the torsion bar is twisted to enable the first magnet block and the second magnet block to be mutually exclusive, the first magnet block leaves the pressure sensing layer firstly and then returns to be in contact with the pressure sensing layer, and the rotating frame is matched with the signal ball to be in contact with the signal ball for early warning, so that the effects of forcibly controlling time to protect vision, early warning and adjusting eye using time as required are achieved.

Description

Eyesight protection device based on cloud platform electronic schoolbag

Technical Field

The invention relates to the technical field of cloud platforms, in particular to an eyesight protection device based on a cloud platform electronic schoolbag.

Background

Electronic schoolbag means utilizes informationization equipment to carry out the portable terminal of teaching promptly, and it is a section and is dedicated to improving the study product of chinese education informationization, improvement family and school's cooperation efficiency, and the product will mainly be directed against primary school's education, and the application software high in the clouds is deployed in the electronic schoolbag, and the required ready access of mass resource, and it provides professional online instrument of preparing lessons, easy operation, convenient to use are a good instrument that helps the young to learn.

The general electronic schoolbag has certain auxiliary functions such as system control learning time, automatic adjustment of screen light intensity and the like besides the main functions for young students, and a series of measures are mainly used for protecting eyes and preventing eye fatigue, but uncontrollable factors can occur in programs controlled by hardware, such as the regulation degree cannot be required, hardware faults occur, and a user can change the specified use time by himself, so that the effect of protecting the vision cannot be achieved to the true degree.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the vision protection device based on the cloud platform electronic schoolbag, which has the advantages of forcibly controlling time to protect vision and the like, and solves the problem that the common electronic schoolbag cannot really protect the vision.

(II) technical scheme

In order to realize the purpose of forcibly controlling time to protect eyesight, the invention provides the following technical scheme: an eyesight protection device based on a cloud platform electronic schoolbag comprises a body, wherein a screen is arranged at the front end of the body, a rectangular block is fixedly connected to the right side of the body, a mechanical bin is arranged at the upper part of the rectangular block, a timing barrel is fixedly arranged at the left lower part of an inner cavity of the mechanical bin, a piston is arranged in the inner cavity of the timing barrel, a through hole is formed in the middle of the piston, a through groove is formed in the middle of the piston and positioned above the through hole, ejector rods are respectively arranged at the bottoms of the inner cavities of the through groove and positioned at the left side and the right side of the through hole, a sliding barrel is fixedly arranged at the bottom of the inner cavity of the through groove and positioned at one side far away from the through hole, a sliding rod is movably inserted at the upper part of the sliding barrel, a first spring is fixedly connected between the sliding rod and the lower wall of the inner cavity, a first magnet block is fixedly arranged above the connecting rod, a vertical column inserted in the middle of the first magnet block is fixedly arranged above the timing barrel, a key block is arranged at the upper end of the vertical column, a pressure sensing layer sleeved on the vertical column is arranged at the lower end of the key block, a signal bead is arranged above the key block, a rotating support is fixedly arranged above the key block and on the right side of the signal bead, a rotating support is rotatably connected onto the rotating support, a torsion bar is movably inserted in the upper part of the mechanical bin, a torsion handle is arranged at the upper end of the torsion bar, a limiting ring is fixedly sleeved on the torsion bar and above the mechanical bin and in the inner cavity, a sleeving column is arranged above the mechanical bin and on the left side of the torsion bar, a clockwork spring extending to the sleeving column is movably sleeved on the torsion bar and above the mechanical bin, a second magnet block is fixedly connected on the right side of the torsion bar and in the inner cavity of the mechanical bin, and a, the baffle plate sleeved on the torsion bar is fixedly mounted on the right wall of the inner cavity of the mechanical bin, the inner cavity of the baffle plate is provided with a short groove, the inner cavity of the short groove is provided with a third spring, and the left side of the third spring is fixedly connected with an extension head.

Preferably, the cavity of the timing tube is provided with a fluid solution with large density, and the fluid solution has larger friction force with each part of devices in the cavity of the timing tube when flowing.

Preferably, the lower end of the flow blocking block is provided with a groove matched with the ejector rod.

Preferably, a sealing element is arranged between the connecting rod and the upper wall of the timing barrel, and the sealing element prevents the solution in the inner cavity of the timing barrel from leaking from the gap along with the up-and-down movement of the connecting rod.

Preferably, a torsion spring is arranged between the rotating support and the rotating support, and the torsion spring enables the rotating support to recover the initial state when no external force acts on the rotating support.

Preferably, the right end of the left end of the rotating support is provided with a contact head, the contact head is of a spherical structure, and the contact surface area is large.

Preferably, the left part of the baffle plate is provided with a rod hole matched with the torsion bar, and the torsion bar can move up and down along the rod hole.

(III) advantageous effects

Compared with the prior art, the invention provides an eyesight protection device based on a cloud platform electronic schoolbag, which has the following beneficial effects:

1. the vision protection device based on the cloud platform electronic schoolbag rotates the second magnet block to the upper part of the first magnet block through the rotating torsion bar, the first magnet block and the first magnet block are mutually exclusive, the first magnet block leaves the pressure sensitive layer to open the power supply of a machine body, then the second spring is compressed, the piston is driven to descend through the connecting rod, the flow choking block is driven to rise a certain distance in the through groove due to relative impact of a solution in the period, an enough channel is reserved, the solution can rapidly pass through the piston, the piston moves back under the action of the second spring after reaching the maximum distance, the upper end of the flow choking block is extruded by the solution in the period, the flow choking block is contracted into the inner cavity of the through groove, the solution can only pass through a gap between the flow choking block and the side wall of the through groove, the piston can only slowly move upwards until touching the pressure sensitive layer to shut down the machine body due to limited movement, so that a user can take a line in, thereby achieving the effect of forcibly controlling time to protect eyesight.

2. This eyesight protection device based on cloud platform electronic schoolbag, through pressing or the handle is turned round to the pull, the arch extrudees the extension head promptly, make the extension head extrude the third spring after the retraction, the torsion bar promptly corresponding decline or the corresponding gear that rises promptly, then twist reverse the torsion bar again and make the second magnet piece rotate the top of first magnet piece, because the distance of the two changes, repulsion force also corresponding change, the piston can corresponding adjustment maximum distance of motion promptly to change the user to the live time of organism, thereby reached the effect that can adjust the eye time as required.

3. This eyesight protection device based on cloud platform electronic schoolbag, move to the top through first magnet piece under the drive of second spring, arrive the motion terminal point soon as the piston, when the organism is about to force to shut down promptly, first magnet piece can contact the contact head that rotates the support right-hand member earlier, and extrude this contact head, make the contact head contact of rotating the support left end topple over and touch the signal pearl, the signal pearl can conduct warning signal to the screen promptly, remind the user to prepare to withdraw from relevant software, then first magnet piece can extrude the sense pressure layer again, make the organism that does not shut down force to shut down, avoided each item software not in time withdraw from forcing the circumstances that shut down and cause the organism to damage and take place, thereby the effect of early warning in advance has been reached.

Drawings

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

FIG. 2 is a front sectional view of a connecting portion of a piston and the like according to the present invention;

FIG. 3 is a front sectional view of a connecting portion of a torsion bar or the like according to the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 1;

FIG. 5 is an enlarged view at B of FIG. 1;

FIG. 6 is an enlarged view at C of FIG. 1;

fig. 7 is an enlarged view at D in fig. 2.

In the figure: 1-machine body, 2-screen, 3-rectangular block, 4-mechanical bin, 5-timing barrel, 6-piston, 7-through hole, 8-through groove, 9-ejector pin, 10-sliding barrel, 11-sliding rod, 12-first spring, 13-flow blocking block, 14-connecting rod, 15-second spring, 16-first magnet block and 17-upright column, 18-key block, 19-pressure sensing layer, 20-signal bead, 21-rotating support, 22-rotating support, 23-torsion bar, 24-twist handle, 25-limit ring, 26-sleeving column, 27-spring, 28-second magnet block, 29-protrusion, 30-baffle, 31-short groove, 32-third spring and 33-extending head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, an eyesight protection device based on a cloud platform electronic schoolbag comprises a machine body 1, a screen 2 is arranged at the front end of the machine body 1, a rectangular block 3 is fixedly connected to the right side of the machine body 1, a mechanical bin 4 is arranged at the upper part of the rectangular block 3, a timing barrel 5 is fixedly arranged at the left lower part of an inner cavity of the mechanical bin 4, a large-density fluid solution is placed in an inner cavity of the timing barrel 5, the friction force between the fluid solution and each part of the device in the inner cavity of the timing barrel 5 is large when the fluid solution flows, a piston 6 is arranged in the inner cavity of the timing barrel 5, a through hole 7 is arranged in the middle of the piston 6, a through groove 8 is arranged in the middle of the piston 6 and above the through hole 7, ejector rods 9 are arranged at the bottoms of the inner cavities of the through groove 8 and at the left side and the right side of the through hole 7, a sliding, a first spring 12 is fixedly connected between the lower wall of the inner cavity of the sliding rod 11 and the sliding cylinder 10, a flow blocking block 13 is fixedly connected above the sliding rod 11, a groove matched with the mandril 9 is formed in the lower end of the flow blocking block 13, a connecting rod 14 extending to the upper part of the timing cylinder 5 is fixedly connected on the left side and the right side of the upper end of the piston 6, a sealing element is arranged between the connecting rod 14 and the upper wall of the timing cylinder 5, the sealing element prevents solution in the inner cavity of the timing cylinder 5 from leaking from a gap along with the up-and-down movement of the connecting rod 14, a second spring 15 is movably sleeved on the connecting rod 14, a first magnet block 16 is fixedly arranged above the connecting rod 14, a vertical column 17 inserted in the middle of the first magnet block 16 is fixedly arranged above the timing cylinder 5, a key block 18 is arranged at the upper end of the vertical column 17, a pressure sensing layer 19 sleeved on the, a rotating support 21 is fixedly arranged above the key block 18 and on the right side of the signal bead 20, a torsion spring is arranged between the rotating support 21 and the rotating support 22, when the torsion spring makes the rotating support 22 return to an initial state without external force, the rotating support 21 is rotatably connected with the rotating support 22, the right end of the left end of the rotating support 22 is provided with a contact head which is in a spherical structure and has a large contact surface area, the upper part of the mechanical bin 4 is movably inserted with a torsion bar 23, the upper end of the torsion bar 23 is provided with a twisting handle 24, the torsion bar 23 is fixedly sleeved with a limit ring 25 above the mechanical bin 4 and in an inner cavity, a sleeving column 26 is arranged above the mechanical bin 4 and on the left side of the torsion bar 23, the torsion bar 23 is movably sleeved with a spring 27 extending to the sleeving column 26 above the mechanical bin 4, and the spring 27 can make the torsion bar 23 return to a certain angle, the right side of the torsion bar 23 and the inner cavity of the mechanical bin 4 are fixedly connected with a second magnet block 28, the opposite surfaces of the second magnet block 28 and the first magnet block 16 have the same magnetism, and when the two are opposite, the two can repel each other, the right side of the torsion bar 23 and the lower side of the second magnet block 28 are provided with protrusions 29, the right wall of the inner cavity of the mechanical bin 4 is fixedly provided with a baffle 30 sleeved on the torsion bar 23, the upper surface of the baffle 30 is coated with antimagnetic paint, so that the second magnet block 28 can not interfere with the first magnet block 16 in a shutdown state, the left part of the baffle 30 is provided with a rod hole matched with the torsion bar 23, the torsion bar 23 can move up and down along the rod hole, the inner cavity of the baffle 30 is provided with a short groove 31, the inner cavity of the short groove 31 is provided with a third spring 32, and the left side of the third spring.

The working principle is as follows: the vision protection device based on the cloud platform electronic schoolbag rotates the second magnet block 28 to the upper part of the first magnet block 16 through the rotating torsion bar 23, the first magnet block 16 and the first magnet block are mutually exclusive, the first magnet block 16 leaves the pressure sensitive layer 19 to open the power supply of the schoolbag, then the second spring 15 is compressed, the piston 6 is driven to descend through the connecting rod 14, the flow blocking block 13 is driven to lift the slide rod 11 in the through groove 8 for a certain distance due to relative impact of the solution, and an enough channel is reserved, the solution can rapidly pass through the piston 6, when the piston 6 reaches the maximum distance, the piston 6 moves back under the action of the second spring 15, the upper end of the flow blocking block 13 is extruded by the solution, so that the flow blocking block 13 retracts into the inner cavity of the through groove 8, the solution can only pass through a gap between the flow blocking block 13 and the side wall of the through groove 8, the piston 6 can only slowly move upwards until the pressure sensitive layer 19 is touched due to limit movement, and the schoolbag 1 is, so that the user can get off the line within the specified time, synchronously, when the first magnet 16 is driven by the second spring 15 to move upwards, and the piston 6 is about to reach the end of the movement, that is, when the machine body 1 is about to be forcibly turned off, the first magnet 16 will contact the contact at the right end of the rotating bracket 22 and press the contact at the right end, so that the contact at the left end of the rotating bracket 22 contacts the toppling contact signal bead 20, the signal bead 20 will transmit a reminding signal to the screen 2 to remind the user to quit the relevant software, prepare to turn off the machine, and then the first magnet 16 will press the pressure sensing layer 19 again, so that the machine body 1 which is not turned off is forcibly turned off, thereby avoiding the situation that the machine body 1 is damaged due to the fact that each software is not timely withdrawn from the forcible turning off the machine body, and in addition, by pressing or pulling the twist grip 24, the protrusion 29 will press the extension 33, so that the extension 33 presses the, the torsion bar 23 correspondingly descends or ascends to a corresponding gear, then the torsion bar 23 is twisted to enable the second magnet block 28 to rotate to the upper side of the first magnet block 16, the repulsion force is correspondingly changed due to the change of the distance between the two, the piston 6 correspondingly adjusts the maximum movement distance to change the service time of the user for the machine body 1, and therefore the effects of forcibly controlling the time to protect eyesight, early warning and adjusting the eye using time according to the needs are achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a vision protection device based on cloud platform e-schoolbag, includes organism (1), its characterized in that: the front end of the machine body (1) is provided with a screen (2), the right side of the machine body (1) is fixedly connected with a rectangular block (3), the upper part of the rectangular block (3) is provided with a mechanical bin (4), the left lower part of an inner cavity of the mechanical bin (4) is fixedly provided with a timing barrel (5), the inner cavity of the timing barrel (5) is provided with a piston (6), the middle part of the piston (6) is provided with a through hole (7), the middle part of the piston (6) is provided with a through groove (8) above the through hole (7), the bottom of the inner cavity of the through groove (8) is provided with a push rod (9) at the left side and the right side of the through hole (7), a sliding barrel (10) is fixedly arranged at the bottom of the inner cavity of the through groove (8) and at one side far away from the through hole (7), the upper part of the sliding barrel (10) is movably inserted with, a flow blocking block (13) is fixedly connected above the sliding rod (11), the left side and the right side of the upper end of the piston (6) are fixedly connected with a connecting rod (14) extending to the upper part of the timing barrel (5), a second spring (15) is movably sleeved on the connecting rod (14), a first magnet block (16) is fixedly installed above the connecting rod (14), a stand column (17) inserted in the middle of the first magnet block (16) is fixedly installed above the timing barrel (5), a key block (18) is arranged at the upper end of the stand column (17), a pressure sensing layer (19) sleeved on the stand column (17) is arranged at the lower end of the key block (18), a signal bead (20) is arranged above the key block (18), a rotating support (21) is fixedly installed at the right side of the signal bead (20) above the key block (18), a rotating support (22) is rotatably connected on the rotating support (21), a torsion bar (23) is movably inserted at the upper part of the mechanical, the upper end of torsion bar (23) is provided with and twists handle (24), the top and the inner chamber that just are located mechanical storehouse (4) on torsion bar (23) all fix the cover and have connect spacing collar (25), the top and the left side that are located torsion bar (23) of mechanical storehouse (4) are provided with cover post (26), the clockwork spring (27) that extend to cover post (26) have been cup jointed in the activity of the top that just is located mechanical storehouse (4) on torsion bar (23), the right side of torsion bar (23) and the inner chamber fixedly connected with second magnet piece (28) that are located mechanical storehouse (4), the right side of torsion bar (23) and the below that is located second magnet piece (28) are provided with arch (29), fixedly mounted has baffle (30) of cup jointing on torsion bar (23) on the inner chamber right wall of mechanical storehouse (4), short groove (31) have been seted up to the inner chamber of baffle (30), the inner chamber of short groove (31) is provided with third spring (32), the left side fixedly connected with of third spring.

2. The vision protection device of claim 1, wherein the vision protection device comprises: the inner cavity of the timing barrel (5) is provided with a fluid solution with large density.

3. The vision protection device of claim 1, wherein the vision protection device comprises: the lower end of the flow blocking block (13) is provided with a groove matched with the ejector rod (9).

4. The vision protection device of claim 1, wherein the vision protection device comprises: a sealing element is arranged between the connecting rod (14) and the upper wall of the timing barrel (5).

5. The vision protection device of claim 1, wherein the vision protection device comprises: and a torsion spring is arranged between the rotating support (21) and the rotating bracket (22).

6. The vision protection device of claim 1, wherein the vision protection device comprises: the right-hand member of the left end of rotating support (22) all is provided with the contact.

7. The vision protection device of claim 1, wherein the vision protection device comprises: the left part of the baffle plate (30) is provided with a rod hole matched with the torsion rod (23).