CN109814727A - Intelligent sitting posture corrects myopia prevention system, evaluation method and information and summarizes delivery system - Google Patents
Intelligent sitting posture corrects myopia prevention system, evaluation method and information and summarizes delivery system Download PDFInfo
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- CN109814727A CN109814727A CN201910243574.4A CN201910243574A CN109814727A CN 109814727 A CN109814727 A CN 109814727A CN 201910243574 A CN201910243574 A CN 201910243574A CN 109814727 A CN109814727 A CN 109814727A
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- 230000004379 myopia Effects 0.000 title claims abstract description 74
- 208000001491 myopia Diseases 0.000 title claims abstract description 74
- 230000002265 prevention Effects 0.000 title claims abstract description 71
- 238000011156 evaluation Methods 0.000 title claims abstract description 41
- 210000001747 pupil Anatomy 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims description 23
- 230000010365 information processing Effects 0.000 claims description 13
- 101100518501 Mus musculus Spp1 gene Proteins 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 4
- 230000036544 posture Effects 0.000 abstract description 92
- 238000012937 correction Methods 0.000 abstract description 18
- 230000005484 gravity Effects 0.000 abstract description 5
- 230000008447 perception Effects 0.000 abstract description 3
- 210000002414 leg Anatomy 0.000 description 43
- 238000010586 diagram Methods 0.000 description 22
- 230000006855 networking Effects 0.000 description 17
- 238000000034 method Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 238000010606 normalization Methods 0.000 description 2
- 241001633942 Dais Species 0.000 description 1
- 241001062009 Indigofera Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 210000001699 lower leg Anatomy 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000036578 sleeping time Effects 0.000 description 1
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Abstract
The invention discloses a kind of pupil's Intelligent sitting postures to correct myopia prevention system, belongs to realia technical field；It include: a seat；A set of pressure sensing device, including microcontroller, pressure sensor module and power supply, the pressure sensor in the pressure sensor module are installed below each chair leg, the output end of the pressure sensor is connected with the input pin of microcontroller, and the power supply provides electric energy for whole device；At least one fixing seat, the fixing seat are installed below each chair leg, and the pressure sensor is disposed between the fixing seat and chair leg；Intelligent sitting posture provided by the invention corrects myopia prevention system, and real-time perception chair leg bears the variation of pressure, calculates the movement of pupil's center of gravity, whether the sitting posture of Intellisense pupil conforms to the standard, and is conducive to pupil and forms correct sitting posture；A kind of Intelligent sitting posture correction myopia prevention evaluation method is also disclosed simultaneously and a kind of Intelligent sitting posture corrects myopia prevention information and summarizes delivery system.
Description
Technical field
The invention discloses a kind of pupil's Intelligent sitting postures to correct myopia prevention system, belongs to realia technical field.Together
When also disclose that a kind of Intelligent sitting posture corrects myopia prevention evaluation method and a kind of Intelligent sitting posture corrects myopia prevention information and summarizes hair
Distribution system.
Background technique
Pupil is in growth and development stage, has had to a correct sitting posture, otherwise the body of pupil will be sent out
It educates abnormal, has grown up later and influenced whether that personal body is beautiful, the self-confidence of child has also been influenced whether, so in primary school
Stage has to church pupil and grasps correct sitting posture.
Culture pupil forms the points for attention of correct sitting posture:
1, when pupil writes, sitting posture is had to correctly, only the correct writing posture that can have just had of sitting posture, such as
Fruit sits not to the health that can jeopardize pupil.
2 for example, sit not straight enough, head is too low, be easy myopia.
3, to accomplish that correct sitting posture, first head want identity that straight feet is wanted to put down when pupil writes, can also take a
Tool card looks at that you sit to or not below chin.
As long as 4, sitting directly, it is just able to maintain the distance of books on eyes and desktop, only maintains this distance, is being seen
It just will not be apart from too close when written word.
5, correct sitting posture, other than following following skill and putting both legs, the posture for keeping the upper part of the body straight and upright when also seasonable,
It is exactly that neck, chest, waist will keep straight.
6, sitting posture main points:
1) enter and want light and steady when sitting, before going to seat, after turning round, gently quietly sit down.When woman takes a seat, if skirt, answer
Train of dress is held together slightly with hand, stands up again after not sitting down and arranges clothes.
2) with a smile, binocular head-up, lip is micro- to be closed, micro- to accept jaw.
3) both shoulders are straight and even loosens, and two-arm natural torsion is placed on above-knee, can also be placed on chair or sofa handrail.
4) stand waist, square one's shoulders, upper body it is naturally straight and upright.
5) double knees close up naturally, and both legs are just being put or side is put.
6) the 2/3 of chair is at least occupied, back gently leans on the chair back.
7) when standing up, right crus of diaphragm receives half step backward and then stands up.
8) it when talking, can be sat with side, upper body and leg turn to side simultaneously at this time.
9) sit, as a kind of manner, be equally divided into beauty with it is ugly, graceful with it is vulgar.Correct sitting posture can give a kind of peace of people
Serious impression in detail.
10) sitting is one of main contents of manner, either learns in life, participates in meeting, talk of receiving a visitor, amusement rest
It all be unable to do without and sits.
11) man's sitting posture: both legs close up, and just, bipod omits Xiang Qianshen to the straight and upright seat of upper body, and two hands are individually placed to double above-knee.
12) it Ms's sitting posture: sits just, upper body is straight and upright, legs joined, and bipod is put to the left or to the right simultaneously, and two hands stack, and are placed in
On left leg or right leg.
It is required that pupil has a good sitting posture to prevent myopia, constantly supervision is a method, by vision protector
It is also a method, but the above method is all time-consuming and laborious, and effect is general.
Summary of the invention
An object of the present invention is to provide a kind of Intelligent sitting posture correction myopia prevention system, passes through the chair leg in school chair
The sensor of sensed pressure variation is disposed below, perceives the variation that chair leg bears pressure at any time, calculates the shifting of pupil's center of gravity
Dynamic, whether the sitting posture of Intellisense pupil conforms to the standard, and reaches real time monitoring sitting posture, prevents the purpose of myopia.
The second object of the present invention is to provide a kind of Intelligent sitting posture correction myopia prevention evaluation method, according to collected pressure
Sensor values calculate sensor and bear gravity center shift, and provide evaluation of estimate.
The third object of the present invention, which is to provide a kind of Intelligent sitting posture, corrects myopia prevention information and summarizes delivery system, by intelligent seat
Appearance corrects the evaluation of estimate classification that myopia prevention system obtains and summarizes transmission publication, refers to for teacher and parent.
In order to achieve the above objectives one, the technical scheme of the present invention is realized as follows:
A kind of Intelligent sitting posture correction myopia prevention system characterized by comprising
One seat；
A set of pressure sensing device, including microcontroller, pressure sensor module and power supply, the pressure sensor module
In pressure sensor be installed on each chair leg in the following, the output end and microcontroller of the pressure sensor input pin phase
Connection, the power supply provide electric energy for whole device；
At least one fixing seat, the fixing seat are installed below each chair leg, the cloth between the fixing seat and chair leg
It is equipped with the pressure sensor.
In order to achieve the above objectives two, the technical scheme of the present invention is realized as follows:
A kind of Intelligent sitting posture correction myopia prevention evaluation method, comprising:
S1: the total weight of chair and pupil is obtained:
Or directly input chair and the total weight G of pupilAlways；Or by daily multiple measurement, calculate GIt is maximumMake
For GAlways。
S2: the average weight that each chair leg is born: G is calculatedIt is average=GAlways÷4。
S3: the non-evaluation of sitting posture when writing, as (G1+G2+G3+G4) ≈ GAlwaysWhen:
(1) microcontroller acquire to schedule pressure value G1, G2 that pressure sensor below each chair leg bears,
G3,G4；
(2) maximum weight of this receiving of chair leg: G is calculatedThis is maximum=MAX (G1, G2, G3, G4)；
(3) maximum weight and G of this receiving are calculatedIt is averageThe ratio between: η=GThis is maximum÷GIt is average；
(4) this evaluation score value: Score=100- (η -1) X 100 is calculated；
(5) it is set according to the time, (1)-(5) is run multiple times, obtain multiple Score values.
Sitting posture is evaluated when S4. writing, as (G1+G2+G3+G4) < GAlwaysWhen:
(1) microcontroller acquire to schedule pressure value G1, G2 that pressure sensor below each chair leg bears,
G3,G4；
(2) G is calculatedForeleg is maximum=MAX (G1, G2) and GForeleg is minimum=MIN (G1, G2)；
(3) η=G is calculatedForeleg is maximum÷GForeleg is minimum；
(4) this evaluation score value: Score=100- (η -1) X 100 is calculated；
(5) it is set according to the time, (1)-(5) is run multiple times, obtain multiple Score values.
In order to achieve the above objectives three, the technical scheme of the present invention is realized as follows:
A kind of Intelligent sitting posture corrects myopia prevention information and summarizes delivery system characterized by comprising
Intelligent sitting posture corrects myopia prevention system, is configured as:
Pressure value G1, G2, G3, G4 that pressure sensor is born below each chair leg are acquired to schedule；
Myopia prevention evaluation method, which is corrected, according to Intelligent sitting posture calculates evaluation of estimate；And
Evaluation of estimate is sent to " second-level message summarizes transmission device " according to setting；
Second-level message summarizes transmission device, is configured as:
It receives N number of Intelligent sitting posture nearby and corrects the information that the transmission of myopia prevention system comes；
Summarize N number of Intelligent sitting posture nearby and corrects the information that the transmission of myopia prevention system comes；And
Information after summarizing is sent to " primary information summarizes distributing device "；
Primary information summarizes distributing device, is configured as:
Receive M " second-level message the summarizes transmission device " information sent nearby；
Summarize M " second-level message the summarizes transmission device " information sent nearby；And
Information after being summarized by information processing terminal publication.
Preferably, the pressure sensing device further includes bluetooth module, and the bluetooth module is electrically connected with the microcontroller
It connects.
Preferably, the pressure sensor module is made of diaphragm pressure sensor and resistance, the diaphragm pressure sensing
One end of device is connect with power cathode end (GND), and the other end is connect with one end of resistance R1, the other end of resistance R1 and power supply
Positive terminal (VCC) connection, input of the non-negative pole end of the diaphragm pressure sensor as lead-out wire (Vout) and microcontroller
Pin is connected.
Preferably, the pressure sensor module is made of diaphragm pressure sensor, resistance and operational amplifier (ADC),
One end of the diaphragm pressure sensor is connect with power cathode end (GND), and the other end is connect with one end of resistance R1, resistance R1
The other end and the positive terminal (VCC) of power supply connect, the non-negative pole end (GND) of the diaphragm pressure sensor is put with operation simultaneously
The pin 3 of big device (ADC) connects；One end of resistance R2 is connect with power cathode end (GND), the other end and resistance R3 of resistance R2
One end connection, the other end for hindering R3 connect with the pin 1 of operational amplifier (ADC)；The common end of resistance R2 and R3 and operation
The pin 2 of amplifier (ADC) connects；The pin 8 of operational amplifier (ADC) is connect with the positive terminal (VCC) of power supply；Operation amplifier
The pin 4 of device (ADC) is connect with power cathode end (GND)；The pin 1 of operational amplifier (ADC) as lead-out wire (Vout) with
The input pin of microcontroller is connected.
Preferably, the fixing seat open end (142) process accommodate chair leg groove (143), closed end (141) with
Ground face contact.
It preferably, further include waterproof jacket, the waterproof jacket is installed on the outside of the fixing seat, by the pressure sensor
It is arranged between the waterproof jacket and the fixing seat.
Preferably, further include the information processing terminal, or use host computer and display as the information processing terminal, institute
It states host and is connected with bluetooth module；Or use laptop as the information processing terminal；Or use smart phone, plate
The intelligent terminals such as computer are as the information processing terminal.
It preferably, further include clock chip, the clock chip is electrically connected with the microcontroller.
The object of the invention is to what is be achieved.
One of the invention has the advantages that:
(1) Intelligent sitting posture provided by the invention corrects myopia prevention system, and real-time perception chair leg bears the variation of pressure, calculates
Whether the sitting posture of the movement of pupil's center of gravity out, Intellisense pupil conforms to the standard, and is conducive to pupil and forms correct seat
Appearance.
(2) Intelligent sitting posture provided by the invention corrects myopia prevention evaluation method, corrects myopia prevention system according to Intelligent sitting posture
The data of offer, provide evaluation of estimate, and the evaluation of pupil's sitting posture is made to realize digitlization and standardization.
(3) Intelligent sitting posture correction myopia prevention information provided by the invention summarizes delivery system, summarizes each pupil of publication
Sitting posture evaluation of estimate, referred to for teacher and parent, realize the lateral comparation and assessment of pupil's sitting posture, peomote pupil's sitting posture
The standardization and normalization of supervision.
Detailed description of the invention
Fig. 1 is pupil's seat of the prior art.
Fig. 2 is pupil's seat provided by the invention.
Fig. 3 is one of fixing seat provided by the invention and the structural schematic diagram of pressure sensor.
Fig. 4 is the second structural representation of fixing seat provided by the invention and pressure sensor.
Fig. 5 is one of the circuit diagram of pressure sensor module provided by the invention.
Fig. 6 is the two of Modular circuit of pressure sensor schematic diagram provided by the invention.
Fig. 7 is the circuit theory schematic diagram of pressure sensing device provided by the invention.
Fig. 8 is the circuit theory schematic diagram that second-level message provided by the invention summarizes transmission device.
Fig. 9 is the circuit theory schematic diagram that primary information provided by the invention summarizes distributing device.
Figure 10 is U1 provided by the invention and nearby N number of Intelligent sitting posture corrects the networking mode schematic diagram of myopia prevention system.
Figure 11 is U2 provided by the invention and nearby N number of Intelligent sitting posture corrects the networking mode schematic diagram of myopia prevention system.
Figure 12 is U3 provided by the invention and nearby N number of Intelligent sitting posture corrects the networking mode schematic diagram of myopia prevention system.
Figure 13 is U4 provided by the invention and nearby N number of Intelligent sitting posture corrects the networking mode schematic diagram of myopia prevention system.
Figure 14 is U5 provided by the invention and nearby N number of Intelligent sitting posture corrects the networking mode schematic diagram of myopia prevention system.
Figure 15 is U6 provided by the invention and nearby N number of Intelligent sitting posture corrects the networking mode schematic diagram of myopia prevention system.
Figure 16 is U7 provided by the invention and nearby N number of Intelligent sitting posture corrects the networking mode schematic diagram of myopia prevention system.
Figure 17 is that primary information provided by the invention summarizes distributing device (U0) and second-level message summarizes transmission device (U1-
U7) networking mode schematic diagram.
Figure 18 is the curriculum schedule of the embodiment of the present invention.
Figure 19 is the sitting posture comparison schematic diagram of the embodiment of the present invention.
Figure 20 be the waterproof jacket of the embodiment of the present invention, pressure sensor, fixing seat assembling structure schematic diagram.
Figure 21 is that the Intelligent sitting posture of the embodiment of the present invention corrects class's distribution map of myopia prevention system.
Wherein appended drawing reference, which summarizes, is expressed as: 1- seat；The 11- chair back；12- seat；13- chair leg；14- fixing seat；141-
Closed end；The open end 142-；143- groove；144- side wall；15- pressure sensor；2- pressure sensor module 2；3- pressure passes
Sensor module 3.
Specific embodiment
The specific embodiment that the invention will now be described in detail with reference to the accompanying drawings.
Embodiment one: the present embodiment is suitable for class.
With reference to Fig. 1-Fig. 5:
A kind of Intelligent sitting posture correction myopia prevention system characterized by comprising
One seat 1；
A set of pressure sensing device, including microcontroller, pressure sensor module 2 and power supply, the pressure sensor mould
Pressure sensor 15 in block 2 be installed on each chair leg 13 in the following, the pressure sensor 15 output end and microcontroller
Input pin is connected, and the power supply provides electric energy for whole device；
At least one fixing seat 14, the fixing seat 14 is installed on each 13 lower section of chair leg, in the fixing seat 14 and chair
The pressure sensor 15 is disposed between leg 13.
It is pupil's seat of the prior art with reference to Fig. 1.
It is one of the circuit diagram of pressure sensor module provided by the invention with reference to Fig. 5.
The pressure sensor module is made of diaphragm pressure sensor and resistance, one end of the diaphragm pressure sensor
It is connect with power cathode end (GND), the other end is connect with one end of resistance R1, the other end of resistance R1 and the positive terminal of power supply
(VCC) it connects, input pin phase of the non-negative pole end of the diaphragm pressure sensor as lead-out wire (Vout) and microcontroller
Connection.
It is the circuit theory schematic diagram of pressure sensing device provided by the invention with reference to Fig. 7.
Microcontroller in pressure sensing device selects STM32,4 sleeve pressure sensor modules 2 respectively with microcontroller
P1.1 pin, P1.2 pin, P1.3 pin, P1.4 pin are connected.Wireless communication module selects bluetooth module ESP826, and micro-
The P2 mouth of controller is connected.
Select two section AAA batteries for a whole set of pressure sensing device power supply.
4 fixing seats 14 are installed to the chair leg 13 of seat 1 in the following, being disposed between the fixing seat 14 and chair leg 13
The pressure sensor 15.In the present embodiment, 49 chairs are shared and are mounted with pressure sensing device, coding is respectively: U11-
U17, U21-U27, U31-U37, U41-U47, U51-U57, U61-U67, U71-U77.
The networking mode of 49 sets of pressure sensing devices: in view of the performance of bluetooth module, N=7, M=7.
With reference to Figure 10, show for U1 provided by the invention and the networking mode of N number of Intelligent sitting posture correction myopia prevention system nearby
It is intended to.
U1 is set as main equipment mode, and U11-U17 is set as from equipment mode.
With reference to Figure 11, show for U2 provided by the invention and the networking mode of N number of Intelligent sitting posture correction myopia prevention system nearby
It is intended to.
U2 is set as main equipment mode, and U21-U27 is set as from equipment mode.
With reference to Figure 12, show for U3 provided by the invention and the networking mode of N number of Intelligent sitting posture correction myopia prevention system nearby
It is intended to.
U3 is set as main equipment mode, and U31-U37 is set as from equipment mode.
With reference to Figure 13, show for U4 provided by the invention and the networking mode of N number of Intelligent sitting posture correction myopia prevention system nearby
It is intended to.
U4 is set as main equipment mode, and U41-U47 is set as from equipment mode.
With reference to Figure 14, show for U5 provided by the invention and the networking mode of N number of Intelligent sitting posture correction myopia prevention system nearby
It is intended to.
U5 is set as main equipment mode, and U51-U57 is set as from equipment mode.
With reference to Figure 15, show for U6 provided by the invention and the networking mode of N number of Intelligent sitting posture correction myopia prevention system nearby
It is intended to.
U6 is set as main equipment mode, and U61-U67 is set as from equipment mode.
With reference to Figure 16, show for U7 provided by the invention and the networking mode of N number of Intelligent sitting posture correction myopia prevention system nearby
It is intended to.
U7 is set as main equipment mode, and U71-U77 is set as from equipment mode.
U1-U7 is that second-level message summarizes transmission device.
With reference to Figure 17, summarizes distributing device (U0) for primary information provided by the invention and second-level message summarizes transmission device
(U1-U7) networking mode schematic diagram.
U0 is set as main equipment mode, and U1-U7 is set as from equipment mode.
Intelligent sitting posture corrects working time and the working method of myopia prevention system:
It is the curriculum schedule of the embodiment of the present invention with reference to Figure 18.
It is that the Intelligent sitting posture of the embodiment of the present invention corrects class's distribution map of myopia prevention system with reference to Figure 21.It is taught at one
Interior, primary system U0 are arranged in beside dais, are wirelessly connected with the large screen near blackboard；Level two U1, U2, U3, U4,
U5, U6, U7 are located at the rear portion in classroom；Three-level system U11-U17, U21-U27, U31-U37, U41-U47, U51-U57,
U61-U67, U71-U77 are located at same row, are easily installed, safeguard and use.
In order to guarantee the validity and energy conservation of " Intelligent sitting posture corrects myopia prevention system " work, it is set in school session, often
The data of acquisition in two minutes.Non- school session does not acquire data: break does not acquire data, does not acquire data after school,
Sunday Saturday does not acquire data, and summer vacation in winter vacation does not acquire data.When " Intelligent sitting posture corrects myopia prevention system " starts to work, in advance
It is fixed how long to acquire a data, it is set by APP.
A kind of Intelligent sitting posture correction myopia prevention evaluation method, comprising:
S1: the total weight of chair and pupil is obtained:
Or directly input chair and the total weight G of pupilAlways；Or by daily multiple measurement, calculate GIt is maximumMake
For GAlways。
S2: the average weight that each chair leg is born: G is calculatedIt is average=GAlways÷4。
S3: the non-evaluation of sitting posture when writing, as (G1+G2+G3+G4) ≈ GAlwaysWhen:
(1) microcontroller acquire to schedule pressure value G1, G2 that pressure sensor below each chair leg bears,
G3,G4；
(2) maximum weight of this receiving of chair leg: G is calculatedThis is maximum=MAX (G1, G2, G3, G4)；
(3) maximum weight and G of this receiving are calculatedIt is averageThe ratio between: η=GThis is maximum÷GIt is average；
(4) this evaluation score value: Score=100- (η -1) X 100 is calculated；
(5) it is set according to the time, (1)-(5) is run multiple times, obtain multiple Score values.
Sitting posture is evaluated when S4. writing, as (G1+G2+G3+G4) < GAlwaysWhen:
(1) microcontroller acquire to schedule pressure value G1, G2 that pressure sensor below each chair leg bears,
G3,G4；
(2) G is calculatedForeleg is maximum=MAX (G1, G2) and GForeleg is minimum=MIN (G1, G2)；
(3) η=G is calculatedForeleg is maximum÷GForeleg is minimum；
(4) this evaluation score value: Score=100- (η -1) X 100 is calculated；
(5) it is set according to the time, (1)-(5) is run multiple times, obtain multiple Score values.
A kind of Intelligent sitting posture corrects myopia prevention information and summarizes delivery system characterized by comprising
Intelligent sitting posture corrects myopia prevention system, is configured as:
Pressure value G1, G2, G3, G4 that pressure sensor is born below each chair leg are acquired to schedule；
Myopia prevention evaluation method, which is corrected, according to Intelligent sitting posture calculates evaluation of estimate；And
Evaluation of estimate is sent to " second-level message summarizes transmission device " according to setting；
Second-level message summarizes transmission device, is configured as:
It receives N number of Intelligent sitting posture nearby and corrects the information that the transmission of myopia prevention system comes；
Summarize N number of Intelligent sitting posture nearby and corrects the information that the transmission of myopia prevention system comes；And
Information after summarizing is sent to " primary information summarizes distributing device "；
Primary information summarizes distributing device, is configured as:
Receive M " second-level message the summarizes transmission device " information sent nearby；
Summarize M " second-level message the summarizes transmission device " information sent nearby；And
Information after being summarized by information processing terminal publication.
The present embodiment information processing terminal uses the existing large screen touch screen computer of class, runs APP software, passes through indigo plant
Tooth module from U0 obtain it is daily summarize data, issued in class, or class parent group is pushed to by wechat.
Embodiment two: the present embodiment is used suitable for family.
A kind of Intelligent sitting posture correction myopia prevention system characterized by comprising
One seat 1；
A set of pressure sensing device, including microcontroller, pressure sensor module 2 and power supply, the pressure sensor mould
Pressure sensor 15 in block 2 be installed on each chair leg 13 in the following, the pressure sensor 15 output end and microcontroller
Input pin is connected, and the power supply provides electric energy for whole device；
At least one fixing seat 14, the fixing seat 14 is installed on each 13 lower section of chair leg, in the fixing seat 14 and chair
The pressure sensor 15 is disposed between leg 13.
It is pupil's seat of the prior art with reference to Fig. 1.
It is the two of Modular circuit of pressure sensor schematic diagram provided by the invention with reference to Fig. 6.
The pressure sensor module is made of diaphragm pressure sensor, resistance and operational amplifier (ADC), the film
One end of pressure sensor is connect with power cathode end (GND), and the other end is connect with one end of resistance R1, the other end of resistance R1
It is connect with the positive terminal (VCC) of power supply, the non-negative pole end (GND) of the diaphragm pressure sensor while and operational amplifier
(ADC) pin 3 connects；One end of resistance R2 is connect with power cathode end (GND), the other end of resistance R2 and the one of resistance R3
End connection, the other end for hindering R3 are connect with the pin 1 of operational amplifier (ADC)；The common end of resistance R2 and R3 and operation amplifier
The pin 2 of device (ADC) connects；The pin 8 of operational amplifier (ADC) is connect with the positive terminal (VCC) of power supply；Operational amplifier
(ADC) pin 4 is connect with power cathode end (GND)；The pin 1 of operational amplifier (ADC) as lead-out wire (Vout) with it is micro-
The input pin of controller is connected.
It is the circuit theory schematic diagram of pressure sensing device provided by the invention with reference to Fig. 7.
Microcontroller in pressure sensing device selects STM32,4 sleeve pressure sensor modules 2 respectively with microcontroller
P1.1 pin, P1.2 pin, P1.3 pin, P1.4 pin are connected.Wireless communication module selects bluetooth module ESP826, and micro-
The P2 mouth of controller is connected.
Select two section AAA batteries for a whole set of pressure sensing device power supply.
4 fixing seats 14 are installed to the chair leg 13 of seat 1 in the following, being disposed between the fixing seat 14 and chair leg 13
The pressure sensor 15.In the present embodiment, only one chair is mounted with that pressure sensing device, coding are: U11.
It is the sitting posture comparison schematic diagram of the embodiment of the present invention with reference to Figure 19.
After the Intelligent sitting posture of the present embodiment corrects myopia prevention system acquisition data, evaluation method is as follows:
A kind of Intelligent sitting posture correction myopia prevention evaluation method, comprising:
S1: the total weight of chair and pupil is obtained:
Or directly input chair and the total weight G of pupilAlways；Or by daily multiple measurement, calculate GIt is maximumMake
For GAlways。
S2: the average weight that each chair leg is born: G is calculatedIt is average=GAlways÷4。
S3: the non-evaluation of sitting posture when writing, as (G1+G2+G3+G4) ≈ GAlwaysWhen:
(1) microcontroller acquire to schedule pressure value G1, G2 that pressure sensor below each chair leg bears,
G3,G4；
(2) maximum weight of this receiving of chair leg: G is calculatedThis is maximum=MAX (G1, G2, G3, G4)；
(3) maximum weight and G of this receiving are calculatedIt is averageThe ratio between: η=GThis is maximum÷GIt is average；
(4) this evaluation score value: Score=100- (h-1) X 100 is calculated；
(5) it is set according to the time, (1)-(5) is run multiple times, obtain multiple Score values.
Sitting posture is evaluated when S4. writing, as (G1+G2+G3+G4) < GAlwaysWhen:
(1) microcontroller acquire to schedule pressure value G1, G2 that pressure sensor below each chair leg bears,
G3,G4；
(2) G is calculatedForeleg is maximum=MAX (G1, G2) and GForeleg is minimum=MIN (G1, G2)；
(3) h=G is calculatedForeleg is maximum÷GForeleg is minimum；
(4) this evaluation score value: Score=100- (η -1) X 100 is calculated；
(5) it is set according to the time, (1)-(5) is run multiple times, obtain multiple Score values.
The present embodiment information processing terminal uses smart phone, runs APP software, is obtained often by bluetooth module from U11
It summarize data or every time summarize data, whether the sitting posture that parent can supervise child at any time correct.
Embodiment three: the present embodiment is used suitable for family.
The present embodiment includes the full content in embodiment two.
Different content is as follows:
Bed 1；
A set of pressure sensing device, including microcontroller, pressure sensor module 2 and power supply, the pressure sensor mould
Pressure sensor 15 in block 2 be installed on each chair leg 13 in the following, the pressure sensor 15 output end and microcontroller
Input pin is connected, and the power supply provides electric energy for whole device；
At least one fixing seat 14, the fixing seat 14 is installed on each 13 lower section of chair leg, in the fixing seat 14 and chair
The pressure sensor 15 is disposed between leg 13.
A set of pressure sensing device of the invention is installed on the cabinet base of bed, the bed of the prior art is upgraded into intelligence
Bed, can acquire many active health and fitness informations including sleeping time.
Example IV:
In embodiment one into embodiment three, the wireless communication module in the pressure sensing device is using bluetooth mould
Block, in fact other wireless communication modules are equally applicable in the present invention, such as: 2G module, 3G module, 4G module, 5G
One of module, 6G module, bluetooth module, WiFi module, ZigBee module or combinations thereof.
Embodiment one to example IV merely discloses preferred forms of the invention, and protection scope of the present invention should
It is subject to claims.
One of the invention has the advantages that:
(1) Intelligent sitting posture provided by the invention corrects myopia prevention system, and real-time perception chair leg bears the variation of pressure, calculates
Whether the sitting posture of the movement of pupil's center of gravity out, Intellisense pupil conforms to the standard, and is conducive to pupil and forms correct seat
Appearance.
(2) Intelligent sitting posture provided by the invention corrects myopia prevention evaluation method, corrects myopia prevention system according to Intelligent sitting posture
The data of offer, provide evaluation of estimate, and the evaluation of pupil's sitting posture is made to realize digitlization and standardization.
(3) Intelligent sitting posture correction myopia prevention information provided by the invention summarizes delivery system, summarizes each pupil of publication
Sitting posture evaluation of estimate, referred to for teacher and parent, realize the lateral comparation and assessment of pupil's sitting posture, peomote pupil's sitting posture
The standardization and normalization of supervision.
Claims (10)
1. a kind of Intelligent sitting posture corrects myopia prevention system characterized by comprising
One seat；
A set of pressure sensing device, including microcontroller, pressure sensor module and power supply, in the pressure sensor module
Pressure sensor is installed on each chair leg in the following, the output end of the pressure sensor is connected with the input pin of microcontroller
It connects, the power supply provides electric energy for whole device；
At least one fixing seat, the fixing seat are installed below each chair leg, are disposed between the fixing seat and chair leg
The pressure sensor.
2. Intelligent sitting posture described in accordance with the claim 1 corrects myopia prevention system, which is characterized in that the pressure sensing device is also
Including bluetooth module, the bluetooth module is electrically connected with the microcontroller.
3. Intelligent sitting posture described in accordance with the claim 1 corrects myopia prevention system, which is characterized in that the pressure sensor module
It is made of diaphragm pressure sensor and resistance, one end of the diaphragm pressure sensor is connect with power cathode end (GND), another
End is connect with one end of resistance R1, and the other end of resistance R1 and the positive terminal (VCC) of power supply connect, the diaphragm pressure sensor
Non- negative pole end be connected as lead-out wire (Vout) with the input pin of microcontroller.
4. Intelligent sitting posture described in accordance with the claim 1 corrects myopia prevention system, which is characterized in that the pressure sensor module
It is made of diaphragm pressure sensor, resistance and operational amplifier (ADC), one end of the diaphragm pressure sensor and power cathode
(GND) connection is held, the other end is connect with one end of resistance R1, and the other end of resistance R1 and the positive terminal (VCC) of power supply connect, institute
It states the non-negative pole end (GND) of diaphragm pressure sensor while being connect with the pin 3 of operational amplifier (ADC)；One end of resistance R2
It is connect with power cathode end (GND), the other end of resistance R2 is connect with one end of resistance R3, hinders the other end and operation amplifier of R3
The pin 1 of device (ADC) connects；The common end of resistance R2 and R3 are connect with the pin 2 of operational amplifier (ADC)；Operational amplifier
(ADC) pin 8 is connect with the positive terminal (VCC) of power supply；The pin 4 and power cathode end (GND) of operational amplifier (ADC) are even
It connects；The pin 1 of operational amplifier (ADC) is connected as lead-out wire (Vout) with the input pin of microcontroller.
5. Intelligent sitting posture described in accordance with the claim 1 corrects myopia prevention system, which is characterized in that the fixing seat is in open end
(142) groove (143) for accommodating chair leg, closed end (141) and ground face contact are processed.
6. correcting myopia prevention system according to Intelligent sitting posture described in claim 1 or 5, which is characterized in that it further include waterproof jacket, institute
State the outside that waterproof jacket is installed on the fixing seat, by the pressure sensor be arranged in the waterproof jacket and the fixing seat it
Between.
7. Intelligent sitting posture described in accordance with the claim 1 corrects myopia prevention system, which is characterized in that further include information processing end
End, or use host computer and display as the information processing terminal, the host is connected with bluetooth module；Or use pen
Remember this computer as the information processing terminal；Or use the intelligent terminals such as smart phone, tablet computer as the information processing terminal.
8. correcting myopia prevention system according to Intelligent sitting posture described in any one of claim 1-5,7, which is characterized in that further include
Clock chip, the clock chip are electrically connected with the microcontroller.
9. a kind of Intelligent sitting posture corrects myopia prevention evaluation method, comprising:
S1: the total weight of chair and pupil is obtained:
Or directly input chair and the total weight G of pupilAlways；Or by daily multiple measurement, calculate GIt is maximumAs
GAlways；
S2: the average weight that each chair leg is born: G is calculatedIt is average=GAlways÷4；
S3: the non-evaluation of sitting posture when writing, as (G1+G2+G3+G4) ≈ GAlwaysWhen:
(1) microcontroller acquire to schedule pressure value G1, G2, G3 that pressure sensor below each chair leg bears,
G4；
(2) maximum weight of this receiving of chair leg: G is calculatedThis is maximum=MAX (G1, G2, G3, G4)；
(3) maximum weight and G of this receiving are calculatedIt is averageThe ratio between: η=GThis is maximum÷GIt is average；
(4) this evaluation score value: Score=100- (η -1) X100 is calculated；
(5) it is set according to the time, (1)-(5) is run multiple times, obtain multiple Score values；
Sitting posture is evaluated when S4. writing, as (G1+G2+G3+G4) < GAlwaysWhen:
(1) microcontroller acquire to schedule pressure value G1, G2, G3 that pressure sensor below each chair leg bears,
G4；
(2) G is calculatedForeleg is maximum=MAX (G1, G2) and GForeleg is minimum=MIN (G1, G2)；
(3) η=G is calculatedForeleg is maximum÷GForeleg is minimum；
(4) this evaluation score value: Score=100- (η -1) X100 is calculated；
(5) it is set according to the time, (1)-(5) is run multiple times, obtain multiple Score values.
10. a kind of Intelligent sitting posture, which corrects myopia prevention information, summarizes delivery system characterized by comprising
Intelligent sitting posture corrects myopia prevention system, is configured as:
Pressure value G1, G2, G3, G4 that pressure sensor is born below each chair leg are acquired to schedule；
Myopia prevention evaluation method, which is corrected, according to Intelligent sitting posture calculates evaluation of estimate；And
Evaluation of estimate is sent to " second-level message summarizes transmission device " according to setting；
Second-level message summarizes transmission device, is configured as:
It receives N number of Intelligent sitting posture nearby and corrects the information that the transmission of myopia prevention system comes；
Summarize N number of Intelligent sitting posture nearby and corrects the information that the transmission of myopia prevention system comes；And
Information after summarizing is sent to " primary information summarizes distributing device "；
Primary information summarizes distributing device, is configured as:
Receive M " second-level message the summarizes transmission device " information sent nearby；
Summarize M " second-level message the summarizes transmission device " information sent nearby；And
Information after being summarized by information processing terminal publication.
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| CN201910243574.4A CN109814727A (en) | 2019-03-28 | 2019-03-28 | Intelligent sitting posture corrects myopia prevention system, evaluation method and information and summarizes delivery system |
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Application publication date: 20190528 |