Myopia prevention and control device based on mobile terminal

Abstract

The present application relates to myopia prevention and control technical field, specifically to a kind of myopia prevention and control equipment based on mobile terminal, including base and prevention and control instrument, clamping mechanism, installation in the side wall of base;Posture detection mechanism, installation on the side wall of base;Soft pad, installation in the bottom of prevention and control instrument;Height adjusting mechanism, between prevention and control instrument and base;Auxiliary cleaning mechanism, between prevention and control instrument and base.The present application is improved by adding posture detection mechanism to help users improve posture, only when the posture is correct, subsequent procedures will be started, which can not only improve the user's posture, but also relieve visual fatigue;Auxiliary cleaning mechanism can clean the use port of prevention and control instrument before use, improve the use effect.

Description

TECHNICAL FIELD

[0001] The present application relates to myopia prevention and control technical field, specifically to a kind of myopia prevention and control equipment based on mobile terminal. BACKGROUND

[0002] The existing myopia prevention and control means, mainly to relieve visual fatigue, lack of attention to the visual of light pollution. Visual fatigue is produced in the process of using eyes, and is closely related to visual environment, therefore, taking scientific and healthy method to improve the influence of light pollution on eyes is an effective method to relieve visual fatigue, prevent and control myopia, and improving sitting posture while relieving visual fatigue is also an important means to prevent myopia.

[0003] In the prior art, some goggle-style electronic devices for relieving visual fatigue are used, such as head-mounted devices and devices fixed on the table. These two styles do not pay attention to the importance of sitting posture, and focus on relieving visual fatigue. Especially for students in learning period, improving sitting posture and relieving visual fatigue are equally important.

[0004] Therefore, a kind of myopia prevention and control equipment based on mobile terminal is provided. SUMMARY

[0005] In view of the deficiencies of the prior art, the present application provides a kind of ovarian cancer screening kit, solve the technical problem that myopia prevention and control equipment can only relieve visual fatigue and cannot improve the sitting posture of user;

[0006] To achieve the above object, the present application provides the following technical scheme:

[0007] A kind of myopia prevention and control equipment based on mobile terminal, including base and prevention and control instrument, clamping mechanism, installation in the side wall of base;Sitting posture detection mechanism, installation in the side wall of base;Soft pad, installation in the bottom of prevention and control instrument;Height adjusting mechanism, installation between prevention and control instrument and base;Auxiliary cleaning mechanism, installation between prevention and control instrument and base.

[0008] The clamping mechanism is used to fix the base on the table edge, which facilitates the use of subsequent sitting posture detection mechanism. The mechanism can improve the sitting posture of user, and cooperate with the upper prevention and control instrument to better prevent and control myopia, not only relieve visual fatigue, but also improve the sitting posture of user. The auxiliary cleaning mechanism is used to automatically clean the prevention and control instrument, which further improves the use effect.

[0009] Preferably, the bottom wall of the prevention and control instrument is fixedly installed with a telescopic rod, the bottom end of the telescopic rod is fixedly installed with a mounting plate, and the soft pad is installed on the mounting plate.

[0010] The distance between the soft pad and the control instrument can be conveniently adjusted through the telescopic rod, the face shape of different users can be flexibly adjusted, and the use effect is improved.

[0011] Preferably, the clamping mechanism comprises a movable plate movably mounted on the side wall of the base, a fixed plate fixedly mounted on the side wall of the base, a sliding block fixedly mounted on the side wall of the movable plate, a sliding groove matched with the sliding block formed in the base, and a second threaded rod rotatably inserted into the bottom wall of the base and extending through the top wall of the base and into the sliding groove.

[0012] The distance between the movable plate and the fixed plate is changed through the threaded transmission between the second threaded rod and the threaded hole, so as to adapt to different table edges, facilitate fixation, improve the stability of the control instrument during use, and further improve the use effect.

[0013] Preferably, the fixed plate and the movable plate are each provided with an anti-skid pad on the side wall close to each other.

[0014] The anti-skid pads are arranged on the clamping surfaces of the fixed plate and the movable plate, further improving the stability of clamping, and further improving the use effect of the control instrument.

[0015] Preferably, the sitting posture detection mechanism comprises a detection slot formed in the base, a detection rod movably inserted into the side wall of the base and extending through the side wall of the base and into the detection slot, a detection plate fixedly mounted on the detection rod, a return spring connected between the detection plate and the base, and second contact electrodes fixedly mounted on the end of the detection rod and the inner wall of the detection slot.

[0016] When the user uses it, the user needs to straighten the waist and press the detection plate on the base with the chest, the detection plate drives the detection rod to move into the detection slot, so that the two second contact electrodes gradually contact, and the control instrument is started after contact, when the user has a humpback, the return spring separates the two second contact electrodes, so as to turn off the control instrument, so as to remind the user to maintain correct sitting posture.

[0017] Preferably, the height adjusting mechanism comprises two first threaded rods rotatably mounted on the base, two threaded pipes matched with the first threaded rods fixedly mounted on the bottom wall of the control instrument, a motor fixedly mounted on the base, a first gear fixedly mounted on the output shaft of the motor, and second gears fixedly sleeved on the two first threaded rods and meshed with the first gear.

[0018] The motor drives the first gear to rotate, the first gear drives two second gears to rotate, the two second gears drive two first threaded rods to rotate respectively, and the two first threaded rods drive the threaded pipe to move up and down through threaded transmission to adjust the height of the prevention and control instrument, so as to adapt to different people to use, and it is worth noting that the two second contact electrodes in the sitting posture detection mechanism can also control the start and stop of the motor, that is, when the sitting posture is incorrect, the height of the prevention and control instrument cannot be adjusted, and the prevention and control effect of myopia is further improved.

[0019] Preferably, an elastic box is arranged in the soft pad, a disconnection plate is fixedly installed on the top wall of the elastic box, two trigger plates are symmetrically and slidably installed on the bottom wall of the elastic box, first contact electrodes are fixedly installed on the two trigger plates, and permanent magnets are fixedly installed on the outer walls of the two trigger plates close to each other.

[0020] When the prevention and control instrument is adjusted to rise, the chin of the user gradually contacts the soft pad until the chin presses the disconnection plate to move downward to separate the two first contact electrodes, so that the circuit of the motor is disconnected, and the movement is stopped, so as to achieve the purpose of automatic positioning. In combination with the two second contact electrodes, the prevention and control instrument can be automatically raised after the sitting posture of the user is correct, and the prevention and control instrument can be automatically stopped after the height is appropriate, and the use effect of the prevention and control instrument is further improved.

[0021] Preferably, the auxiliary cleaning mechanism comprises a first piston pipe fixedly installed on the bottom wall of the prevention and control instrument, a first piston rod movably inserted into the bottom end of the first piston pipe, and a base fixedly installed on the bottom end of the first piston rod, two second piston pipes symmetrically and fixedly installed on the top wall of the prevention and control instrument, second piston rods movably inserted into the distal ends of the two second piston pipes, connecting frames installed on the distal ends of the two second piston rods, cleaning frames fixedly installed on the two connecting frames, receiving grooves formed in the cleaning frames, and sponge bodies inserted into the receiving grooves, and connecting pipes connected between the first piston pipe and the two second piston pipes.

[0022] When the prevention and control instrument rises, the first piston pipe rises, so that the first piston rod is pulled downward, the air in the first piston pipe is pressed into the connecting pipe, and the air enters the two second piston pipes through the connecting pipe, the second piston rods in the two second piston pipes are pressed out, and the two cleaning frames are driven away from each other through the connecting frames. In the process of moving the cleaning frames, the prevention and control instrument is cleaned, and the use effect of the equipment is improved.

[0023] Preferably, spring rods are connected between the connecting frames and the second piston rods.

[0024] The connected spring rods can make the cleaning frames and the prevention and control instrument fit more closely, so as to improve the cleaning effect and improve the protection effect when not in use.

[0025] Preferably, the prevention and control instrument is provided with a water tank, and two second piston pipes are respectively connected with water inlet pipes between the water tank.

[0026] When the two second piston rods move to the outside of the second piston pipes, the water in the other half of the second piston pipes is pressed into the two cleaning frames through the water outlet pipes, and conversely, when the second piston rods move to the inside of the second piston pipes, the water tank is sucked into the second piston pipes through the water inlet pipes, so that automatic water storage is realized.

[0027] Compared with the prior art, the present application has the following advantages:

[0028] 1. The sitting posture detection mechanism is added to help the user improve the sitting posture, and the subsequent program is started only when the sitting posture is correct, so that the user's sitting posture can be improved and visual fatigue can be relieved.

[0029] 2. The auxiliary cleaning mechanism can clean the use port of the prevention and control instrument before use, thereby improving the use effect. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a side view of the present application;

[0031] Figure 2 is a front view of the present application;

[0032] Figure 3 is a top view of the present application;

[0033] Figure 4 is a schematic view of the transmission structure between the first gear and the second gear in the present application;

[0034] Figure 5 is an enlarged view of the structure of part A in the present application;

[0035] Figure 6 is an enlarged view of the structure of part B in the present application;

[0036] Figure 7 is an enlarged view of the structure of part C in the present application;

[0037] Figure 8 is an enlarged view of the structure of part D in the present application.

[0038] In the figure: 1, base; 2, first piston pipe; 3, first piston rod; 4, threaded pipe; 5, first threaded rod; 6, motor; 7, first gear; 8, second gear; 9, control instrument; 10, movable plate; 11, fixed plate; 12, non-slip mat; 13, sliding block; 14, sliding groove; 15, second threaded rod; 16, telescopic rod; 17, mounting plate; 18, soft pad; 19, elastic box; 20, trigger plate; 21, first contact electrode; 22, permanent magnet; 23, breaker plate; 24, detection groove; 25, detection rod; 26, detection plate; 27, reset spring; 28, second contact electrode; 29, cleaning frame; 30, sponge body; 31, second piston pipe; 32, second piston rod; 33, spring rod; 34, connecting frame; 35, connecting pipe; 36, water tank; 37, water inlet pipe; 38, water outlet pipe. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0040] The myopia control equipment based on a mobile terminal provided in the embodiments of the present application solves the technical problem that the myopia control equipment can only relieve visual fatigue and cannot improve the sitting posture of a user;

[0041] To solve the above technical problem, the technical solutions in the embodiments of the present application have the following general idea: a sitting posture detection mechanism is additionally provided to help a user improve the sitting posture, and the subsequent program is started only when the sitting posture is correct, so that the sitting posture of the user can be improved and visual fatigue can be relieved at the same time.

[0042] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "straight", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0043] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and do not denote or imply relative importance or a number of indicated technical features. Thus, features defined with "first", "second" or "third" can explicitly or implicitly include one or more of said features. In the description of the application, the meaning of "a plurality of" is two or more, unless explicitly specified otherwise. In addition, the terms "mounting", "connection", "connecting" should be interpreted broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through an intermediate medium, or internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0044] Please refer to Figures 1 to 8 The application provides a myopia prevention and control device based on a mobile terminal, and the technical scheme is as follows:

[0045] A myopia prevention and control device based on a mobile terminal, comprising a base 1 and a prevention and control instrument 9, a clamping mechanism installed on the side wall of the base 1, a sitting posture detection mechanism installed on the side wall of the base 1, a soft pad 18 installed at the bottom of the prevention and control instrument 9, a height adjusting mechanism installed between the prevention and control instrument 9 and the base 1, and an auxiliary cleaning mechanism installed between the prevention and control instrument 9 and the base 1.

[0046] Please refer to Figure 1 and Figure 2 The clamping mechanism is used to fix the base at the edge of a table, facilitating the use of the subsequent sitting posture detection mechanism. The mechanism can improve the sitting posture of a user, and the prevention and control instrument 9 above can better prevent and control myopia, not only relieving visual fatigue, but also improving the sitting posture of the user. The auxiliary cleaning mechanism is used to automatically clean the prevention and control instrument 9, further improving the use effect.

[0047] As an embodiment of the application, please refer to Figure 1 The base 1 of the prevention and control instrument 9 is fixedly installed with an extension rod 16, the bottom end of the extension rod 16 is fixedly installed with a mounting plate 17, and the soft pad 18 is installed on the mounting plate 17.

[0048] The extension rod 16 is connected, and it is worth noting that the extension rod 16 is provided with a positioning bolt and is also drawn in the figure, which is prior art, used to adjust the length of the extension rod 16, so that the distance between the soft pad 18 and the prevention and control instrument 9 can be conveniently adjusted, and the use effect is improved according to the flexible adjustment of the face shapes of different users.

[0049] As an embodiment of the application, please refer to Figure 1 and Figure 5The clamping mechanism comprises a movable plate 10 movably mounted on the side wall of the base 1, a fixed plate 11 fixedly mounted on the side wall of the base 1, a sliding block 13 fixedly mounted on the side wall of the movable plate 10, a sliding groove 14 formed in the base 1 and matched with the sliding block 13, a second threaded rod 15 rotatably inserted into the bottom wall of the base 1 and extending through the top wall of the base 1 and into the sliding groove 14, and a threaded hole formed in the sliding block 13 and matched with the second threaded rod 15.

[0050] The distance between the movable plate 10 and the fixed plate 11 is changed through the threaded transmission between the second threaded rod 15 and the threaded hole, the second threaded rod 15 is rotated to be in threaded transmission with the threaded hole in the sliding block 13, the height of the second threaded rod 15 does not change, the sliding block 13 moves up and down according to the rotating direction, different table edges are adapted, the fixing is facilitated, the stability of the prevention and control instrument 9 during use is improved, and the use effect is further improved.

[0051] As an embodiment of the present application, refer to Figure 1 The fixed plate 11 and the movable plate 10 are provided with anti-skid pads 12 on the outer walls of the close side.

[0052] The anti-skid pads 12 are arranged on the clamping surfaces of the fixed plate 11 and the movable plate 10, the stability of clamping is further improved, and the use effect of the prevention and control instrument 9 is further improved.

[0053] As an embodiment of the present application, refer to Figure 1 and Figure 5 The sitting posture detection mechanism comprises a detection groove 24 formed in the base 1, a detection rod 25 movably inserted into the side wall of the base 1 and extending into the detection groove 24, a detection plate 26 fixedly mounted on the detection rod 25, a reset spring 27 connected between the detection plate 26 and the base 1, and second contact electrodes 28 fixedly mounted on the end of the detection rod 25 and the inner wall of the detection groove 24.

[0054] When a user uses, the user needs to straighten the waist and press the detection plate 26 on the base 1 with the chest, the detection plate 26 drives the detection rod 25 to move into the detection groove 24, so that the two second contact electrodes 28 gradually contact, the prevention and control instrument 9 is started after the contact, when the user has a humpback, the reset spring 27 separates the two second contact electrodes 28, so that the prevention and control instrument 9 is closed, and the user is reminded to keep a correct sitting posture.

[0055] As an embodiment of the present application, refer to Figure 1 and Figure 5The height adjusting mechanism comprises two first threaded rods 5 rotatably installed on the base 1, two threaded pipes 4 symmetrically and fixedly installed on the bottom wall of the prevention and control instrument 9 and matched with the first threaded rods 5, a motor 6 fixedly installed on the base 1, a first gear 7 fixedly installed on the output shaft of the motor 6, and two second gears 8 fixedly sleeved on the two first threaded rods 5 and meshed with the first gear 7.

[0056] The motor 6 drives the first gear 7 to rotate, the first gear 7 drives the two second gears 8 to rotate, the two second gears 8 drive the two first threaded rods 5 to rotate respectively, and the two first threaded rods 5 drive the threaded pipes 4 to move up and down through threaded transmission, so as to adjust the height of the prevention and control instrument 9 and adapt to different people for use.

[0057] As an embodiment of the present application, refer to Figure 2 and Figure 6 The elastic box 19 is provided in the soft pad 18, a break plate 23 is fixedly installed on the top wall of the elastic box 19, two trigger plates 20 are symmetrically and slidably installed on the bottom wall of the elastic box 19, a first contact electrode 21 is fixedly installed on each of the two trigger plates 20, and a permanent magnet 22 is fixedly installed on the side wall of each of the two trigger plates 20 close to each other.

[0058] It is worth noting that the upper and lower sides of the elastic box 19 are made of hard material, and the side wall is soft and elastic, so that it can be stretched and contracted. The trigger plate 20 is slidably installed on the bottom wall of the elastic box 19. When the prevention and control instrument 9 rises, the user's chin gradually contacts the soft pad 18 until the chin presses the break plate 23 to move down and separate the two first contact electrodes 21, so that the circuit of the motor 6 is disconnected and the movement is stopped. After the chin leaves the soft pad 18, the two trigger plates 20 are close to each other under the action of magnetic force, so that the two first contact electrodes 21 are in full contact. At this time, the motor 6 can be reversely rotated, that is, the soft pad is adjusted to move down. This can be manually operated, and a reset switch is added to realize it. The second contact electrode 28 is used to control the forward rotation of the motor 6, and the first contact electrode 21 is used to control the overturning, so as to achieve the purpose of automatic positioning. In combination with the two second contact electrodes 28 in front, the prevention and control instrument 9 can be automatically raised after the user's sitting posture is correct, and automatically stopped after the height is appropriate, so as to further improve the use effect of the prevention and control instrument 9.

[0059] As an embodiment of the present application, refer to Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 7 and Figure 8The auxiliary cleaning mechanism comprises a first piston pipe 2 fixedly installed on the bottom wall of the prevention and control instrument 9, a first piston rod 3 movably inserted at the bottom end of the first piston pipe 2, and fixedly installed on the base 1 at the bottom end of the first piston rod 3, two second piston pipes 31 symmetrically fixedly installed on the top wall of the prevention and control instrument 9, a second piston rod 32 movably inserted at the distal end of each of the two second piston pipes 31, a connecting frame 34 installed at the distal end of each of the two second piston rods 32, a cleaning frame 29 fixedly installed on each of the two connecting frames 34, a receiving groove formed in the cleaning frame 29, and a sponge body 30 inserted in the receiving groove, and a connecting pipe 35 connected between the first piston pipe 2 and the two second piston pipes 31.

[0060] When the prevention and control instrument 9 rises, the first piston pipe 2 also rises, the first piston rod 3 does not change its position, but is pulled downward relative to the first piston pipe 2, the air in the first piston pipe 2 is pressed into the connecting pipe 35, and then into the two second piston pipes 31 through the connecting pipe 35, the second piston rod 32 in each of the two second piston pipes 31 is pressed out, and then drives the two cleaning frames 29 to move away from each other through the connecting frame 34, the prevention and control instrument 9 is cleaned in the movement of the cleaning frame 29, and the use effect of the equipment is improved.

[0061] As an embodiment of the present application, refer to Figure 8 The connecting frame 34 and the second piston rod 32 are connected by a spring rod 33.

[0062] The spring rod 33 connected between the connecting frame 34 and the second piston rod 32 can make the cleaning frame 29 more closely attached to the prevention and control instrument 9, thereby improving the cleaning effect and the protection effect when not in use.

[0063] As an embodiment of the present application, refer to Figure 3 and Figure 8 The prevention and control instrument 9 is provided with a water tank 36, a water inlet pipe 37 connected between each of the two second piston pipes 31 and the water tank 36, and a water outlet pipe 38 connected between each of the two cleaning frames 29 and the two second piston pipes 31.

[0064] When the two second piston rods 32 move outwardly to the outside of the second piston pipe 31, water in the other half of the second piston pipe 31 is pressed into the two cleaning frames 29 through the water outlet pipe 38, and conversely when the two second piston rods 32 move inwardly to the inside of the second piston pipe 31, the water tank 36 is sucked into the second piston pipe 31 through the water inlet pipe 37, achieving automatic water storage, and it is worth noting that the water inlet pipe 37 and the water outlet pipe 38 are respectively provided with one-way valves to facilitate one-way stable water inlet and outlet, further improving the cleaning effect and further improving the use effect of the control instrument 9.

[0065] Working principle: the distance between the movable plate 10 and the fixed plate 11 is changed through the threaded transmission action between the second threaded rod 15 and the threaded hole, so as to adapt to different table edges, facilitate fixation, and improve the stability of the control instrument 9 during use, further improving the use effect.

[0066] When the user uses it, he needs to straighten his waist and press the detection plate 26 on the base 1 with his chest, the detection plate 26 drives the detection rod 25 to move into the detection groove 24, so that the two second contact electrodes 28 gradually contact, and after contacting, the control instrument 9 is started, and when the user has a humpback, the reset spring 27 will make the two second contact electrodes 28 separate, so as to turn off the control instrument 9, so as to remind the user to maintain correct sitting posture.

[0067] The motor 6 drives the first gear 7 to rotate, the first gear 7 drives the two second gears 8 to rotate, the two second gears 8 respectively drive the two first threaded rods 5 to rotate, and the two first threaded rods 5 drive the threaded pipe 4 to move up and down through threaded transmission action, so as to adjust the height of the control instrument 9, adapt to different people for use, and it is worth noting that the two second contact electrodes 28 in the sitting posture detection mechanism can also control the start and stop of the motor 6, that is, when the sitting posture is incorrect, the height of the control instrument 9 cannot be adjusted, further improving the prevention and control effect of myopia.

[0068] When the control instrument 9 is adjusted to rise, the user's chin gradually contacts the soft pad 18 until the chin presses the disconnection plate 23 downward to separate the two first contact electrodes 21, so that the circuit of the motor 6 is disconnected, and the movement is stopped, so as to achieve the purpose of automatic positioning, and the two second contact electrodes 28 in front can be used to automatically raise the control instrument 9 after the user's sitting posture is correct, and automatically stop after the height is appropriate, further improving the use effect of the control instrument 9.

[0069] When the prevention and control instrument 9 rises, the first piston pipe 2 will rise, the first piston rod 3 will not change its position, but will be pulled down relative to the first piston pipe 2, the air in the first piston pipe 2 is pressed into the connecting pipe 35, and then into the two second piston pipes 31 through the connecting pipe 35, the two second piston rods 32 in the two second piston pipes 31 are pressed out, and then drive the two cleaning frames 29 away from each other through the connecting frame 34, the cleaning frame 29 will clean the prevention and control instrument 9 during the movement, and the use effect of the equipment is improved; when the two second piston rods 32 move outward from the second piston pipe 31, the water in the other half of the second piston pipe 31 will be pressed into the two cleaning frames 29 through the water outlet pipe 38, and conversely when the second piston rod 32 moves inward from the second piston pipe 31, the water tank 36 will be sucked into the second piston pipe 31 through the water inlet pipe 37, and the automatic water storage is realized, it is worth noting that the water inlet pipe 37 and the water outlet pipe 38 are respectively provided with a one-way valve, so as to facilitate the one-way stable water inlet and outlet, and the cleaning effect is further improved, and the use effect of the prevention and control instrument 9 is further improved.

[0070] The electrical components appearing in the text are all connected with the main controller and 220V mains through transformers, and the main controller can be a conventional known device such as a computer, the product model provided by the present application is only used according to the structural characteristics of the product, and the product will be adjusted and modified after purchase, so as to be more matched and consistent with the technical scheme to which the present application belongs, which is a best application technical scheme of the present application, the model of the product can be replaced and modified according to the required technical parameters, which is well known to those skilled in the art, therefore, those skilled in the art can clearly obtain the corresponding use effect through the technical scheme provided by the present application.

[0071] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A myopia prevention and control device based on a mobile terminal, comprising a base (1) and a prevention and control device (9), characterized in that: A clamping mechanism is installed on the side wall of the base (1); A sitting posture detection mechanism is installed on the side wall of the base (1); A soft pad (18) is installed at the bottom of the control device (9); A height adjustment mechanism is installed between the control device (9) and the base (1); An auxiliary cleaning mechanism is installed between the control device (9) and the base (1); The auxiliary cleaning mechanism includes a first piston tube (2) fixedly installed on the bottom wall of the control instrument (9). A first piston rod (3) is movably inserted into the bottom end of the first piston tube (2), and the bottom end of the first piston rod (3) is fixedly installed on the base (1). Two second piston tubes (31) are symmetrically fixedly installed on the top wall of the control instrument (9). A second piston rod (32) is movably inserted into the two second piston tubes (31) at one end away from each other. A connecting frame (34) is installed at one end away from each of the two second piston rods (32). A cleaning frame (29) is fixedly installed on each of the two connecting frames (34). A storage groove is opened on the cleaning frame (29), and a sponge (30) is stuffed in the storage groove. A connecting pipe (35) is connected between the two second piston tubes (31) and the first piston tube (2). The sitting posture detection mechanism includes a detection groove (24) opened in the base (1), a detection rod (25) is movably inserted on the side wall of the base (1), and the detection rod (25) passes through the side wall of the base (1) and extends into the detection groove (24). A detection plate (26) is fixedly installed on the detection rod (25), and a return spring (27) is connected between the detection plate (26) and the base (1). A second contact electrode (28) is fixedly installed on the end of the detection rod (25) and the inner wall of the detection groove (24). The height adjustment mechanism includes two first threaded rods (5) rotatably mounted on the base (1), two threaded tubes (4) matching the first threaded rods (5) are symmetrically fixedly mounted on the bottom wall of the control instrument (9), a motor (6) is fixedly mounted on the base (1), a first gear (7) is fixedly mounted on the output shaft of the motor (6), and a second gear (8) is fixedly sleeved on each of the two first threaded rods (5), and the first gear (7) meshes with the two second gears (8) respectively; The soft pad (18) is provided with an elastic box (19). A circuit breaker (23) is fixedly installed on the top wall of the elastic box (19). Two trigger plates (20) are symmetrically slidably installed on the bottom wall of the elastic box (19). A first contact electrode (21) is fixedly installed on each of the two trigger plates (20). A permanent magnet (22) is fixedly installed on the outer wall of the side of the two trigger plates that are close to each other.

2. The myopia prevention and control device based on a mobile terminal according to claim 1, characterized in that: A telescopic rod (16) is fixedly installed on the bottom wall of the control device (9), and an installation plate (17) is fixedly installed at the bottom end of the telescopic rod (16). The soft pad (18) is installed on the installation plate (17).

3. The myopia prevention and control device based on a mobile terminal according to claim 2, characterized in that: The clamping mechanism includes a movable plate (10) movably mounted on the side wall of the base (1), a fixed plate (11) fixedly mounted on the side wall of the base (1), a slider (13) fixedly mounted on the side wall of the movable plate (10), a groove (14) matching the slider (13) being opened on the base (1), a second threaded rod (15) being rotatably inserted into the bottom wall of the base (1), and the second threaded rod (15) penetrating the top wall of the base (1) and extending into the groove (14), and a threaded hole matching the second threaded rod (15) being opened on the slider (13).

4. The myopia prevention and control device based on a mobile terminal according to claim 1, characterized in that: Anti-slip pads (12) are provided on the outer walls of the fixed plate (11) and the movable plate (10) on the side closest to each other.

5. A myopia prevention and control device based on a mobile terminal according to claim 1, characterized in that: A spring rod (33) is connected between the connecting frame (34) and the second piston rod (32).

6. A myopia prevention and control device based on a mobile terminal according to claim 1, characterized in that: The control device (9) is equipped with a water tank (36), and the two second piston tubes (31) are respectively connected to the water tank (36) by water inlet pipes (37), and the two cleaning racks (29) are respectively connected to the two second piston tubes (31) by water outlet pipes (38).

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