CN112438495A - Sitting posture vision correction method and intelligent posture corrector - Google Patents
Sitting posture vision correction method and intelligent posture corrector Download PDFInfo
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- CN112438495A CN112438495A CN202011291864.5A CN202011291864A CN112438495A CN 112438495 A CN112438495 A CN 112438495A CN 202011291864 A CN202011291864 A CN 202011291864A CN 112438495 A CN112438495 A CN 112438495A
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B39/00—School forms; Benches or forms combined with desks
- A47B39/10—Devices for holding pupils upright, i.e. body supports
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
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Abstract
The invention relates to the field of posture correctors, in particular to a sitting posture vision correction method and an intelligent posture corrector; objects of the invention may include: the rotating mechanism comprises a rotating drum and a supporting rod, the supporting rod is connected with the rotating drum, an inclined included angle is formed between the supporting rod and the tabletop, and a positioning hole is formed in the supporting rod; the fixing mechanism is rotationally connected with the rotary drum and is used for fixing the posture corrector on the desktop; the lifting guide rod is sleeved outside the support rod in a sliding mode, a control switch is arranged on the lifting guide rod, a positioning pin is arranged in the control switch, and the positioning pin is inserted into the positioning hole; the supporting plate is rotatably connected with the upper end of the lifting guide rod; the intelligent module comprises a power supply processing module, a control module and an audio module, wherein the power supply processing module supplies power to the whole control circuit, the control module sends control signals to other modules, and the audio module is used for driving the loudspeaker.
Description
Technical Field
The invention relates to the field of posture correctors, in particular to a sitting posture vision correction method and an intelligent posture corrector.
Background
According to the investigation, the existing low-vision population in China is nearly ten million, and particularly, the prevalence rate is extremely high among children and teenagers. The latest data of national student physique health research show that the incidence rate of myopia of primary school students in China is 22.78%, that of middle school students is 55.22%, and that of high school students is 70.34%. Therefore, prevention and treatment of myopia of children and teenagers are more and more concerned by students, parents and society.
In order to reduce myopia of students, a myopia-preventing posture corrector is available on the market, the existing posture corrector is generally vertically fixed at the front end or two sides of a desk, the chin of a student is supported by a jacking piece to increase the distance for reading, the probability of myopia is reduced, but the chin supporting mode of the posture corrector easily has negative influence on the neck vertebra, the posture corrector is complex in structure, troublesome to assemble and disassemble, incapable of adjusting the angle and the height in the using process and poor in comfort, the common posture corrector does not have a voice prompt function, the eyes are easily tired due to overlong learning time, the risk of myopia is improved, and the myopia can be further caused due to too strong or too dark light rays in the learning process.
In summary, in order to solve the defects in the prior art, a sitting posture and eyesight correction method and an intelligent posture corrector which are simple in structure and flexible in adjustment need to be designed.
Disclosure of Invention
The invention provides a sitting posture vision correction method and an intelligent posture corrector for solving the problems in the prior art.
The purpose of the invention can be realized by the following technical scheme:
a sitting posture vision correction method comprises
S1 fixed on the table top
The fixing mechanism clamps and connects the posture corrector on the table top;
s2 Tilt Angle adjustment
The supporting rods incline towards one side of the body, and an inclined included angle is formed between the supporting rods and the horizontal line, so that the supporting plate on the posture corrector is propped against the chest of a student, the body of the student is a fist standard distance away from the desktop, and the eyes of the student are a ruler distance away from the desktop;
s4 height adjustment
The lifting guide rod is moved on the support rod, the posture corrector is adjusted to be at the proper height, the lifting guide rod is clamped into the positioning hole through the positioning pin in the control switch, the lifting guide rod is rotatably connected with the rotary drum, and students with different heights can be adjusted to be at the most proper position according to the posture corrector;
s5 environmental monitoring
The light sensor monitors the light intensity of the external environment, the monitoring range can be set,
when the ambient light intensity exceeds the monitoring range, the prompting voice sends out a light adjustment prompt;
when the ambient light intensity is within the monitoring range, the prompting voice sends out a prompt that the light meets the requirement;
s5 work and rest time prompt
The sitting posture sensor monitors the use time of the user, the use time range can be set,
when the time of the user exceeds the set value, the prompt voice sends a rest prompt tone.
An intelligent posture corrector comprises:
the rotating mechanism comprises a rotating drum and a supporting rod, the supporting rod is connected with the rotating drum, an inclined included angle is formed between the supporting rod and the tabletop, and a positioning hole is formed in the supporting rod; the fixing mechanism is rotationally connected with the rotary drum and is used for fixing the posture corrector on the desktop; the lifting guide rod is sleeved outside the support rod in a sliding mode, a control switch is arranged on the lifting guide rod, a positioning pin is arranged in the control switch, and the positioning pin is inserted into the positioning hole; the supporting plate is rotatably connected with the upper end of the lifting guide rod; the intelligent module comprises a power supply processing module, a control module and an audio module, wherein the power supply processing module is used for supplying power to the whole control circuit, the control module is used for sending control signals to other modules, the audio module is used for driving a loudspeaker, and the audio module comprises a voice chip U2, a third capacitor C3 and a second connector J2; the PWM + pin of the voice chip U2 is electrically connected with the No. 1 pin of the second connector J2, the PWM-pin of the voice chip U2 is electrically connected with the No. 2 pin of the second connector J2, and the VDD pin of the voice chip U2 is electrically connected with the third capacitor C3.
The improved structure of the rotary drum is characterized in that a rotary clamping piece, a first spring and a right end cover are arranged in the rotary drum, a hollow positioning column is arranged in the center of the left end face of the rotary drum, a first round hole is annularly arranged on the left end face of the rotary drum, a connecting column is arranged in the center of the rotary clamping piece, a clamping column is annularly arranged on the rotary clamping piece, the first spring is arranged on the right side of the rotary clamping piece, and the right end cover is clamped in a first inner; the fixing mechanism comprises a U-shaped clamping plate, a fastening bolt, a sleeve, a left end cover, a second spring, a second bolt and a guide block, wherein the fastening bolt is arranged in the U-shaped clamping plate, the sleeve is connected with the U-shaped clamping plate, a positioning through hole is formed in the center of the sleeve, a second round hole is formed in the right end face of the sleeve in an annular mode, the left end cover is connected with a second inner groove formed in the guide block in a clamped mode, the second spring is arranged between the left end cover and the bolt, the bolt is connected with a connecting column, the guide block is arranged outside the bolt in a sleeved mode, and the outer ring.
The improved lifting guide rod structure is characterized in that a switch groove is formed in the upper surface of the lifting guide rod, a through hole is formed in the switch groove, fixed shafts are symmetrically arranged in the switch groove, limit rings are arranged in the switch groove, a through square hole is formed in the lower portion of each fixed shaft, a positioning circular groove is formed in the control switch, shaft sleeves are symmetrically arranged on two sides of the control switch, the positioning circular grooves are connected with the limit rings in a clamped mode, and the shaft sleeves are rotatably connected with the fixed shafts.
In a further improvement, the power supply processing module comprises a field effect transistor Q1, a second diode D2, a switch SW1 and a first connector J1; the No. 1 pin of the first connector J1 is electrically connected with one end of a switch SW1, the other end of the switch SW1 is electrically connected with the drain electrode of a field effect transistor Q1, the source electrode of the field effect transistor Q1 is electrically connected with the cathode of a second diode D2, the anode of the second diode D2 is electrically connected with the drain electrode of the field effect transistor Q1, the grid electrode of the field effect transistor Q1 is electrically connected with the No. 2 pin of the first connector J1, and the field effect transistor Q1 is a P-channel field effect transistor.
In a further improvement, the control module comprises a single chip microcomputer U1, a first diode D1, a first capacitor C1, a second capacitor C2, a first resistor R1, a second resistor R2, a third resistor R3, a first light-sensitive resistor R4 and a second light-sensitive resistor R5; the VDD pin of the single chip microcomputer U1 is electrically connected with a first capacitor C1 and a second capacitor C2 respectively, the PA6 pin of the single chip microcomputer U1 is electrically connected with the cathode of a first diode D1, the anode of the first diode D1 is electrically connected with a first resistor R1, the PC2 pin of the single chip microcomputer U1 is electrically connected with a first photoresistor R4 and a second resistor R2 respectively, and the PA1 pin of the single chip microcomputer U1 is electrically connected with a second photoresistor R5 and a third resistor R3 respectively.
In a further improvement, the model of the single chip microcomputer U1 is FT61F 021.
In a further improvement, the voice chip U2 is of the type WTN 6.
In a further development, the control circuit comprises a third connector J3, the third connector J3 being electrically connected to the control module.
In a further improvement, the supporting plate is connected with a flexible supporting pad.
Compared with the prior art, the supporting plate connected with the supporting rods which can be obliquely arranged in the intelligent posture corrector supports the chest of a student, meets the basic distance requirement of myopia prevention, has no negative influence on the neck spine of the student, and is more comfortable in the use process; the height and the angle of the telescopic lifting guide rod on the supporting rod are adjusted, so that students with different heights can reach the most suitable adjusting position; the voice broadcasting function in the posture correcting device is realized through the matched arrangement of the power supply processing module, the control module and the audio module; the light intensity of the environment is detected through the photoresistor, the light intensity and the angle and height of the posture correcting device are adjusted, and under the dual synergistic intervention of the environment light and the posture correcting distance, the myopia prevention effect for students is better.
Drawings
FIG. 1 is a schematic structural diagram of the present invention
FIG. 2 is a schematic view of another embodiment of the present invention
FIG. 3 is an exploded view of the present invention
FIG. 4 is a schematic view of the internal structure of the drum and sleeve
FIG. 5 is a schematic view of the structure of the rotary fastener
FIG. 6 is a schematic view of the fixing mechanism
FIG. 7 is a schematic view of the structure of the drum
FIG. 8 is a schematic diagram of a control switch
FIG. 9 is a schematic view of the structure of the lift guide
FIG. 10 is a schematic block diagram of an intelligence module
FIG. 11 is a schematic circuit diagram of a power processing module
FIG. 12 is a circuit schematic of the control module
FIG. 13 is a circuit schematic of an audio module
FIG. 14 is a pin diagram of the third connector
In the figure, 1-a rotating mechanism, 11-a rotating cylinder, 111-a hollow positioning column, 112-a round hole I, 113-a first internal groove, 12-a supporting rod, 121-a positioning hole, 122-a positioning block, 13-a rotating clamping piece, 131-a connecting column, 132-a clamping column, 1321-a clamping part I, 1322-a clamping part II, 14-a spring I, 15-a right end cover, 2-a fixing mechanism, 21-a U-shaped clamping plate, 211-an upper side plate, 212-a rubber block, 22-a fastening bolt, 221-a supporting sleeve, 23-a sleeve, 231-a positioning through hole, 232-a round hole II, 24-a left end cover, 25-a spring II, 26-a bolt, 27-a guide block, an internal groove-a second internal groove 271, 3-a lifting guide rod and 31-a control, 311-a positioning circular groove, 312-a shaft sleeve, 313-a groove, 32-a switch groove, 321-a through hole, 323-a fixed shaft, 324-a limiting ring, 325-a square hole, 33-a positioning pin, 34-a positioning sliding groove, 4-a supporting plate and 41-a flexible supporting pad.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The technical characteristics of the single chip microcomputer, the voice chip and the like are obtained from conventional commercial ways or prepared by conventional methods if no special description exists, the specific structure, the working principle, the control mode and the spatial arrangement mode which can be related adopt conventional selection in the field, the novel points of the invention are not considered, and the technical characteristics can be understood by persons skilled in the art, and the patent of the invention is not further specifically detailed.
The technical solution of the present invention is further described below with reference to the following embodiments and accompanying drawings 1 to 14.
Example 1
A sitting posture vision correction method comprises
S1 fixed on the table top
The fixing mechanism clamps and connects the posture corrector on the table top;
s2 Tilt Angle adjustment
The supporting rods incline towards one side of the body, and an inclined included angle is formed between the supporting rods and the horizontal line, so that the supporting plate on the posture corrector is propped against the chest of a student, the body of the student is a fist standard distance away from the desktop, and the eyes of the student are a ruler distance away from the desktop;
s4 height adjustment
The lifting guide rod is moved on the support rod, the posture corrector is adjusted to be at the proper height, the lifting guide rod is clamped into the positioning hole through the positioning pin in the control switch, the lifting guide rod is rotatably connected with the rotary drum, and students with different heights can be adjusted to be at the most proper position according to the posture corrector;
s5 environmental monitoring
The light sensor monitors the light intensity of the external environment, the monitoring range can be set,
when the ambient light intensity exceeds the monitoring range, the prompting voice sends out a light adjustment prompt;
when the ambient light intensity is within the monitoring range, the prompting voice sends out a prompt that the light meets the requirement;
s5 work and rest time prompt
The sitting posture sensor monitors the use time of the user, the use time range can be set,
when the time of the user exceeds the set value, the prompt voice sends a rest prompt tone.
Compared with the existing posture corrector which is vertically arranged on a desktop, the basic distance of myopia prevention can be achieved by supporting the chin, but the mode of supporting the chin easily has negative influence on the neck vertebra and is poor in comfort for students.
Through light sense sensor and position of sitting sensor monitoring environment light intensity and user's live time, in time remind the user to notice regulation environment light and live time to effectively prevent asthenopia, prevention myopia. The sitting posture of the user is effectively kept, the intelligent electronic software system is combined with the physical structure mode, the user can not feel uncomfortable and has no side effect even if the user uses the device for a long time, and the effect of preventing myopia and asthenopia is good.
Example 2
The rotating mechanism 1 comprises a rotating drum 11 and a supporting rod 12, the supporting rod 12 is connected with the rotating drum 11, an inclined included angle is formed between the supporting rod 12 and a table top, and positioning holes 121 are formed in the supporting rod 12 at intervals;
the fixing mechanism 2 is rotatably connected with the rotary drum 11, and the fixing mechanism 2 is used for fixing the posture corrector on a table top;
the lifting guide rod 3 is sleeved outside the support rod 12 in a sliding mode, a control switch 31 is arranged on the lifting guide rod 3, a positioning pin 33 is arranged in the control switch 31, and the positioning pin 33 is inserted into the positioning hole 121;
the supporting plate 4 is rotatably connected with the upper end of the lifting guide rod 3;
the intelligent module comprises a power supply processing module, a control module and an audio module, wherein the power supply processing module is used for supplying power to the whole control circuit, the control module is used for sending control signals to other modules, the audio module is used for driving a loudspeaker, and the audio module comprises a voice chip U2, a third capacitor C3 and a second connector J2; the PWM + pin of the voice chip U2 is electrically connected with the No. 1 pin of the second connector J2, the PWM-pin of the voice chip U2 is electrically connected with the No. 2 pin of the second connector J2, and the VDD pin of the voice chip U2 is electrically connected with the third capacitor C3.
The second connector J2 is externally connected with a loudspeaker, and the control module is electrically connected with the audio module. Set up the signal of certain study time at control module, reach the set time after, control module sends the signal to audio module, and audio module drives the speaker again and carries out work, realizes the voice broadcast function, and the suggestion student has a rest, and the prevention is near-sighted.
As shown in fig. 1, 2 and 3, the posture corrector is clamped and connected on a table top by a fixing mechanism 2; the supporting rods 12 incline towards one side of the body, and the supporting rods 12 form an inclined included angle with the horizontal line, so that the supporting plate 4 on the posture corrector is propped against the chest of a student, the body of the student is a fist standard distance away from the desktop, and the eyes of the student are a ruler distance away from the desktop, so that the basic distance of myopia prevention is met; compared with the existing posture corrector which is vertically arranged on a desktop, the basic distance of myopia prevention can be achieved by supporting the chin, but the mode of supporting the chin easily has negative influence on the neck vertebra and is poor in comfort for students.
The lifting guide rod 3 is moved on the support rod 12, the posture corrector is adjusted to be at a proper height, and the posture corrector is clamped into the positioning hole 121 through the positioning pin 33 in the control switch 31, so that the lifting guide rod 3 is fixed simply and efficiently; the device is also linked with the rotation of the rotary drum 11, so that the adjustment of the posture corrector is more flexible, the posture corrector has a larger adjustment range, and students with different heights can be adjusted to the most suitable position according to the posture corrector; also can satisfy the height of same student in growth process and uprise, the appearance ware of rectifying still can satisfy the myopia prevention requirement through adjusting, and a tractor serves several purposes satisfies diversified demand.
The inside of lifting guide 3 is equipped with location spout 34, the bracing piece 12 outside is equipped with locating piece 122, locating piece 122 joint is in location spout 34. As shown in fig. 2 and 9, the positioning function of the positioning chute 34 facilitates the rapid sliding installation of the lifting guide rod 3 outside the support rod 12, thereby improving the efficiency; and the relative shaking between the lifting guide rod 3 and the support rod 12 is reduced.
Example 3
As shown in fig. 1, fig. 2, fig. 3, fig. 5, fig. 6 and fig. 7, a rotary clamping piece 13, a first spring 14 and a right end cover 15 are arranged in the rotary drum 11, a hollow positioning column 111 is arranged in the center of the left end surface of the rotary drum 11, a first round hole 112 is annularly arranged on the left end surface of the rotary drum 11, a connecting column 131 is arranged in the center of the rotary clamping piece 13, a clamping column 132 is annularly arranged on the rotary clamping piece 13, the first spring 14 is arranged on the right side of the rotary clamping piece 13, and the right end cover 15 is clamped in a second inner groove 113;
the fixing mechanism 2 comprises a U-shaped clamping plate 21, a fastening bolt 22, a sleeve 23, a left end cover 24, a second spring 25, a bolt 26 and a guide block 27, the fastening bolt 22 is arranged in a threaded hole of the U-shaped clamping plate 21, the sleeve 23 is integrally connected with the U-shaped clamping plate 21, a positioning through hole 231 is arranged in the center of the sleeve 23, a second round hole 232 is annularly arranged on the right end face of the sleeve 23, the left end cover 24 is clamped in an inner groove second 271 arranged in the guide block 27, the second spring 25 is arranged between the left end cover 24 and the bolt 26, the bolt 26 is connected with a bolt in a connecting column 131, an inner ring of the guide block 27 is sleeved outside the bolt 26, and an outer ring of the guide block 27 is arranged in the;
the clamping column 132 penetrates through the first round hole 112 and the second round hole 232, a circle formed by connecting the circle centers of the clamping column 132 and a circle formed by connecting the circle centers of the second round hole 232 coincide with a circle formed by connecting the circle centers of the second round hole 232, so that the gap between the clamping column 132 and the first round hole 112 and the gap between the clamping column 132 and the second round hole 232 are smaller, the clamping column 132 is pushed into the first round hole 112 and the second round hole 232 more stably and smoothly, relative shaking between the rotary drum 11 and the sleeve 23 is not prone to occurring, and connection is more stable.
The clamping column 132 comprises a first clamping part 1321 and a second clamping part 1322, the diameter of the first clamping part 1321 at the upper end is smaller than that of the second clamping part 1322 at the lower end, the diameter of the first clamping part 1321 is equal to that of the first round hole 112, and the diameter of the second clamping part 1322 is equal to that of the second round hole 232; as shown in fig. 5, 6, and 7, after the above conditions are met, more circular holes two 232 may be formed in the sleeve 23, so that after the angle of the rotating cylinder 11 is adjusted, the first clamping portion 1321 of the clamping column 132 is clamped into the circular holes two 232 at different positions, so that the rotating cylinder 11 and the sleeve 23 cannot rotate, and the adjustment requirements of more angles are met.
As shown in fig. 4, the left end cap 24 is pressed leftward, the second spring 25 pushes the bolt 26 connected to the rotary clamping member 13, the clamping post 132 of the rotary clamping member 13 exits from the second circular hole 232 in the sleeve 23, the rotary drum 11 is rotated to adjust the proper inclination angle of the support rod 12 connected to the rotary drum 11, the rotary clamping member 13 is pushed leftward by the elastic force of the first spring 14, and the clamping post 132 is clamped into the second circular hole 232 at another position, so that the rotary drum 11 and the sleeve 23 cannot rotate, and the position of the rotary drum 11 is locked. The first spring 14 arranged inside can automatically lock the rotary drum 11 under the reset action of the first spring 14 after the position is adjusted, so that the operation is simple and convenient; the annularly arranged clamping column 132 penetrates through the annularly arranged round hole II 232 and the annularly arranged round hole I112, so that the connection strength of the sleeve 23 and the rotary drum 11 is improved, the locking is more stable, and the shaking is avoided in the use process; through a simple mechanical connecting mechanism and multi-gear angle adjustment, students with different heights can adjust to the most appropriate position to correct sitting postures, help children to form good sitting posture habits, keep the distance between eyes and books more than one ruler, and meet the requirement of myopia prevention; when the posture correcting device is not used, the posture correcting device is hidden under the table top through rotating the posture correcting device, and the occupied space is reduced.
Example 4
The upper surface of the lifting guide rod 3 is provided with a switch slot 32, a through hole 321 is arranged in the switch slot 32, a fixed shaft 323 is symmetrically arranged in the switch slot 32, a limit ring 324 is arranged in the switch slot 322, a through square hole 325 is arranged below the fixed shaft 323, a positioning circular slot 311 is arranged in the control switch 31, shaft sleeves 312 are symmetrically arranged on two sides of the control switch 31, the positioning circular slot 311 is connected with the limit ring 324 in a clamping manner, and the shaft sleeves 312 are rotatably connected with the fixed shaft 323.
As shown in fig. 2, 8 and 9, by pressing the groove 313 of the control switch 31, the control switch 31 rotates along the axial direction of the fixed shaft 323, the positioning pin 33 rotates out of the positioning hole 121 on the supporting rod 12, so as to control the lifting guide rod 3 to move on the supporting rod 12 and adjust to a proper position, and after the height requirement of the student is met, the positioning pin 33 penetrates through the through hole 321 and the positioning hole 121 of the lifting guide rod 3, so that the lifting guide rod 3 is fixed and cannot move, and the height adjustment is convenient, the connection is stable, and the bearing performance is better; the control switch 31 cannot translate in the switch slot 32 by clamping the positioning circular slot 311 by the limiting ring 324, and only the control switch is allowed to rotate around the fixed shaft 323, so that the stability of the control switch 31 is ensured.
Example 5
As shown in fig. 11, the power supply processing module includes a field effect transistor Q1, a second diode D2, a switch SW1 and a first connector J1; the No. 1 pin of the first connector J1 is electrically connected with one end of a switch SW1, the other end of the switch SW1 is electrically connected with the drain electrode of a field effect transistor Q1, the source electrode of the field effect transistor Q1 is electrically connected with the cathode of a second diode D2, the anode of the second diode D2 is electrically connected with the drain electrode of the field effect transistor Q1, the grid electrode of the field effect transistor Q1 is electrically connected with the No. 2 pin of the first connector J1, and the field effect transistor Q1 is a P-channel field effect transistor.
The field effect transistor Q1 can realize the function of preventing reverse connection of the battery, and compared with the common diode, the voltage drop is greatly reduced.
Example 6
As shown in fig. 12, the control module includes a single chip microcomputer U1, a first diode D1, a first capacitor C1, a second capacitor C2, a first resistor R1, a second resistor R2, a third resistor R3, a first photo resistor R4, and a second photo resistor R5; the VDD pin of the single chip microcomputer U1 is electrically connected with a first capacitor C1 and a second capacitor C2 respectively, the PA6 pin of the single chip microcomputer U1 is electrically connected with the cathode of a first diode D1, the anode of the first diode D1 is electrically connected with a first resistor R1, the PC2 pin of the single chip microcomputer U1 is electrically connected with a first photoresistor R4 and a second resistor R2 respectively, and the PA1 pin of the single chip microcomputer U1 is electrically connected with a second photoresistor R5 and a third resistor R3 respectively.
Whether a person is on the seat or not is detected by adopting the photoresistors, the resistance values of the two photoresistors are compared, if the detection difference of the two photoresistors is large, the fact that the person is on the seat is indicated, and if the detection difference is small, the fact that the person is not on the seat is indicated. By doing so, the structural design can be simplified, and the problem of detection errors in a dark environment is solved; the light intensity of the environment is detected through the photoresistor, the angle and the height of the posture correcting device are adjusted, and the myopia prevention effect on students is better under the dual intervention of the environment light and the posture correcting distance.
Example 7
The model of the single chip microcomputer U1 is FT61F 021.
The FT61F021 single chip microcomputer is adopted, the attribute of low power consumption is realized, about 2S is used for collecting data once, the lowest current is about 5uA, and the service life of the battery can be prolonged.
Example 8
The voice chip is U2 model WTN 6.
The voice chip converts voice signals into numbers through sampling, stores the numbers in a ROM of an IC, and restores the numbers in the ROM into the voice signals through a circuit, wherein the WTN6 series voice chip has the characteristics of multiple functions, low power consumption and high performance.
Example 9
As shown in fig. 14, the control circuit includes a third connector J3; the third connector J3 is electrically connected to the control module. If an electronic component fails, the failed component can be quickly replaced when the connector is installed.
Example 10
A flexible supporting pad 41 is fixedly connected to the supporting plate 4, as shown in fig. 3, the flexible supporting pad 41 may be made of a silica gel material, so as to increase the contact area and support the chest of the student flexibly and comfortably.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A sitting posture vision correction method is characterized by comprising
S1 fixed on the table top
The fixing mechanism (2) clamps and connects the posture corrector on the table top;
s2 Tilt Angle adjustment
The supporting rod (12) inclines towards one side of the body, and an inclined included angle is formed between the supporting rod (12) and the horizontal line, so that the supporting plate (4) on the posture corrector is propped against the chest of a student, the body of the student has a fist standard distance from the desktop, and the eyes of the student have a ruler distance from the desktop;
s4 height adjustment
The lifting guide rod (3) is moved on the support rod (12) to adjust the posture corrector to a proper height, the lifting guide rod (3) is clamped into the positioning hole (121) through a positioning pin (33) in the control switch (31), the lifting guide rod (3) is rotatably connected with the rotary drum (11), and students with different heights can be adjusted to the most proper position according to the posture corrector;
s5 environmental monitoring
The light sensor monitors the light intensity of the external environment, the monitoring range can be set,
when the ambient light intensity exceeds the monitoring range, the prompting voice sends out a light adjustment prompt;
when the ambient light intensity is within the monitoring range, the prompting voice sends out a prompt that the light meets the requirement;
s5 work and rest time prompt
The sitting posture sensor monitors the use time of the user, the use time range can be set,
when the time of the user exceeds the set value, the prompt voice sends a rest prompt tone.
2. An intelligent posture corrector based on the sitting posture vision correction method of claim 1, characterized by comprising:
the rotating mechanism comprises a rotating drum and a supporting rod, the supporting rod is connected with the rotating drum, an inclined included angle is formed between the supporting rod and the tabletop, and a positioning hole is formed in the supporting rod;
the fixing mechanism is rotationally connected with the rotary drum and is used for fixing the posture corrector on the desktop;
the lifting guide rod is sleeved outside the support rod in a sliding mode, a control switch is arranged on the lifting guide rod, a positioning pin is arranged in the control switch, and the positioning pin is inserted into the positioning hole;
the supporting plate is rotatably connected with the upper end of the lifting guide rod;
the intelligent module comprises a power supply processing module, a control module and an audio module, wherein the power supply processing module is used for supplying power to the whole control circuit, the control module is used for sending control signals to other modules, the audio module is used for driving a loudspeaker, and the audio module comprises a voice chip U2, a third capacitor C3 and a second connector J2; the PWM + pin of the voice chip U2 is electrically connected with the No. 1 pin of the second connector J2, the PWM-pin of the voice chip U2 is electrically connected with the No. 2 pin of the second connector J2, and the VDD pin of the voice chip U2 is electrically connected with the third capacitor C3.
3. The intelligent posture corrector as claimed in claim 2, wherein a rotary fastener, a first spring and a right end cover are arranged in the rotary drum, a hollow positioning column is arranged at the center of the left end surface of the rotary drum, a first round hole is annularly arranged on the left end surface of the rotary drum, a connecting column is arranged at the center of the rotary fastener, a clamping column is annularly arranged on the rotary fastener, the first spring is arranged on the right side of the rotary fastener, and the right end cover is clamped in a first inner groove of the rotary drum;
the fixing mechanism comprises a U-shaped clamping plate, a fastening bolt, a sleeve, a left end cover, a second spring, a second bolt and a guide block, wherein the fastening bolt is arranged in the U-shaped clamping plate, the sleeve is connected with the U-shaped clamping plate, a positioning through hole is formed in the center of the sleeve, a second round hole is formed in the right end face of the sleeve in an annular mode, the left end cover is connected with a second inner groove formed in the guide block in a clamped mode, the second spring is arranged between the left end cover and the bolt, the bolt is connected with a connecting column, the guide block is arranged outside the bolt in a sleeved mode, and the outer ring.
4. The intelligent posture correcting device of claim 2, wherein a switch groove is formed in the upper surface of the lifting guide rod, a through hole is formed in the switch groove, fixed shafts are symmetrically arranged in the switch groove, a limiting ring is arranged in the switch groove, a through square hole is formed below the fixed shafts, a positioning circular groove is formed in the control switch, shaft sleeves are symmetrically arranged on two sides of the control switch, the positioning circular groove is connected with the limiting ring in a clamping mode, and the shaft sleeves are rotatably connected with the fixed shafts.
5. The intelligent posture corrector as claimed in claim 2, wherein said power supply processing module comprises a field effect transistor Q1, a second diode D2, a switch SW1 and a first connector J1; the No. 1 pin of the first connector J1 is electrically connected with one end of a switch SW1, the other end of the switch SW1 is electrically connected with the drain electrode of a field effect transistor Q1, the source electrode of the field effect transistor Q1 is electrically connected with the cathode of a second diode D2, the anode of the second diode D2 is electrically connected with the drain electrode of the field effect transistor Q1, the grid electrode of the field effect transistor Q1 is electrically connected with the No. 2 pin of the first connector J1, and the field effect transistor Q1 is a P-channel field effect transistor.
6. The intelligent posture corrector of claim 2, wherein the control module comprises a single chip microcomputer U1, a first diode D1, a first capacitor C1, a second capacitor C2, a first resistor R1, a second resistor R2, a third resistor R3, a first photoresistor R4 and a second photoresistor R5; the VDD pin of the single chip microcomputer U1 is electrically connected with a first capacitor C1 and a second capacitor C2 respectively, the PA6 pin of the single chip microcomputer U1 is electrically connected with the cathode of a first diode D1, the anode of the first diode D1 is electrically connected with a first resistor R1, the PC2 pin of the single chip microcomputer U1 is electrically connected with a first photoresistor R4 and a second resistor R2 respectively, and the PA1 pin of the single chip microcomputer U1 is electrically connected with a second photoresistor R5 and a third resistor R3 respectively.
7. The intelligent posture corrector as claimed in claim 6, wherein the model of the single chip microcomputer U1 is FT61F 021.
8. The intelligent posture corrector as claimed in claim 2, wherein the voice chip is of type WTN6 as U2.
9. The intelligent posture corrector as claimed in claim 2, wherein said control circuit comprises a third connector J3, said third connector J3 being electrically connected to the control module.
10. The intelligent posture corrector as claimed in claim 2, wherein the support plate is connected with a flexible support pad.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011291864.5A CN112438495A (en) | 2020-11-18 | 2020-11-18 | Sitting posture vision correction method and intelligent posture corrector |
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| CN202011291864.5A CN112438495A (en) | 2020-11-18 | 2020-11-18 | Sitting posture vision correction method and intelligent posture corrector |
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| CN112438495A true CN112438495A (en) | 2021-03-05 |
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Effective date of registration: 20220907 Address after: 314007 south side of floor 1, building 2, No. 269, Xinfei Road, Fengqiao town, Nanhu District, Jiaxing City, Zhejiang Province Applicant after: Zhejiang Xinxin Instrument Co.,Ltd. Address before: 314007 3rd floor, building 5, Shifo Industrial Zone, Fengqiao town, Nanhu District, Jiaxing City, Zhejiang Province Applicant before: Zhejiang Zhengzi Technology Co.,Ltd. |
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