A kind of school chair adjustment based reminding method with sitting posture adjustment prompting function
Technical field
A kind of school chair with sitting posture adjustment prompting function of the present invention adjusts based reminding method, belongs to school table chair plate
Stool technical field.
Background technique
School-days is exactly the critical period of body development.In student's stage, most times are to sit to spend on the seat
It crosses, therefore sitting posture is most important for student's body development.If sitting posture is incorrect, other than seeming out of spirits, also hold
It easily has a pain in the back, or even influences vertebra, pressuring nerve, finally influence health.
At this stage, whether the sitting posture of student is accustomed to sitting posture bad classmate, lack have correctly mainly by conscious adjustment
Effect prompt.As it can be seen that a kind of school chair with sitting posture adjustment prompting function is invented, it is most important for student's body development.
Summary of the invention
Regarding to the issue above and demand, the present invention devise a kind of school chair adjustment with sitting posture adjustment prompting function
Based reminding method can effectively remind student when abnormal sitting posture is true, be conducive to develop student's body well.
The object of the present invention is achieved like this:
A kind of school chair method of adjustment with sitting posture adjustment prompting function including ontology and uses the side of the ontology
Method: the ontology: including being arranged four identical pressure sensors on the seat, respectively left Chengfu pressure sensor,
Right Chengfu pressure sensor, left Chihpien pressure sensor and right Chihpien pressure sensor;Further include four alarms, respectively before
Alarm, rear alarm, left alarm and right alarm;And four briquettings, it is separately positioned on point bl 36, left side on the left of student
Chihpien cave, right side point bl 36, right side Chihpien cave;The pressure sensor is connected with central processing unit system with alarm;Institute
The upper surface of pressure sensor is stated lower than upper seat surface, pressure sensor upper surface is provided with and can move on chair top
Protective layer;The height of the briquetting can adjust.
The above-mentioned school chair with sitting posture adjustment prompting function, the protective layer are identical fan-shaped single by a series of specifications
Member composition, the sector element can be bent to pressure sensor direction, and not contact pressure sensor.
Three rank stepped throughholes are provided on the seat, direction is followed successively by first order step, second level platform from top to bottom
Rank and third level step;The first order step places protective layer and the gland for being provided with through-hole, the diameter of the protective layer are small
In the diameter of first order step, gland is threadedly coupled with first order step, and the through-hole of gland is less than the diameter of protective layer;The second level
The bottom of the steps placement force sensor;The power supply line of pressure sensor and data line are transferred to central processing unit by third level step
System.
Use bulk process are as follows:
The pressure value that left Chengfu pressure sensor obtains is N11, the pressure value that right Chengfu pressure sensor obtains is N12, left
The pressure value that Chihpien pressure sensor obtains is N13, the pressure value that right Chihpien pressure sensor obtains is N14;
Specifically includes the following steps:
Step a, the parameters relationship under student's difference sitting posture is demarcated:
Under the state of listening to the teacher, four pressure values obtained according to pressure sensor are obtained:
KListen a left side=N13/N11, KListen the right side=N14/N12, KChengfu=N11/N12, KIt listens=0.5KListen a left side+0.5KListen the right side;
Under the state of writing, four pressure values obtained according to pressure sensor are obtained:
KWrite a left side=N13/N11, KWrite the right side=N14/N12, KChihpien=N13/N14, KIt writes=0.5KWrite a left side+0.5KWrite the right side;
Step b, front and back sitting posture judges
KIt is left=N13/N11, KIt is right=N14/N12, K=0.5KIt is left+0.5KIt is right;
If:
K < 0.7KIt listens, then judging result are as follows: student leans forward excessively, preceding alarm equipment alarm, student by layback adjustment sitting posture,
Repeat step b;
0.7KIt listens< K < 0.5KIt listens+0.5KIt writes, then judging result are as follows: student is in state of writing, and enters step c;
0.5KIt listens+0.5KIt writes< K < 1.5KIt listens, then judging result are as follows: student is in state of listening to the teacher, and enters step c;
K > 1.5KIt listens, then judging result are as follows: excessively, rear alarm equipment alarm, student adjusts sitting posture by leaning forward to student's layback,
Repeat step b;
Step c, left and right sitting posture judges
It is in and is write under state in student, if:
N11/N12> 1.2KChengfu, then judging result are as follows: student is left-leaning excessively, and left alarm equipment alarm, student is not before changing
Afterwards under the premise of sitting posture, sitting posture is adjusted by being tilted to the right, repeats step c;
N11/N12< 5KChengfu/ 6, then judging result are as follows: student's Right deviation is excessive, and right alarm equipment alarm, student is not before changing
Afterwards under the premise of sitting posture, sitting posture is adjusted by being tilted to the left, repeats step c;
Other, then judging result are as follows: student is in state of normally writing;
It is in and is listened to the teacher under state in student, if:
N13/N14> 1.2KChihpien, then judging result are as follows: student is left-leaning excessively, and left alarm equipment alarm, student is not before changing
Afterwards under the premise of sitting posture, sitting posture is adjusted by being tilted to the right, repeats step c;
N13/N14< 5KChihpien/ 6, then judging result are as follows: student's Right deviation is excessive, and right alarm equipment alarm, student is not before changing
Afterwards under the premise of sitting posture, sitting posture is adjusted by being tilted to the left, repeats step c;
Other, then judging result are as follows: student is in state of normally listening to the teacher.
The utility model has the advantages that
The first, since four pressure sensors only need to be arranged in the present invention, four alarms, in four briquettings and one
Central processor system, it will be able to prompting is adjusted to the sitting posture of student, therefore have the function of that inexpensive, strong, market prospects are wide
Wealthy technical advantage;
The second, since four pressure sensors are using the mode to cooperate, the data measured are intercoupled, therefore not
The state of writing and the state of listening to the teacher can only be distinguished, and ensure that the data of each state all can be more accurate;
Third is lower than upper seat surface due to the upper surface of pressure sensor, and using briquetting press pressure sensor
Working method overcomes compared with being directly sitting in the mode of pressure sensor and contacts uneven, trousers damping and cause data not
Accurate problem improves the accuracy that sitting posture adjustment is reminded;
4th, since four briquettings are separately positioned on point bl 36, left side Chihpien cave, right side point bl 36, right side on the left of student
Chihpien cave, therefore therapeutic massage can also be played the role of, for prevention and treatment hemiplegia, sciatica, acute lumbar muscle sprain, and
It improves sexuality and all has facilitation;
It 5th, can be different, same according to the people acupuncture point height of different building shape since the height of briquetting can adjust
People's Different Acupoint height is different and is adjusted, and avoids a certain acupuncture point stress excessive and causes the damage to body.
It 6th, can not only since pressure sensor upper surface is provided with the protective layer that can be moved on chair top
Enough play the role of protecting pressure sensor, and passes through the movement of protective layer, the student of Lai Shiying different building shape.
Detailed description of the invention
Fig. 1 is the school chair circuit part schematic diagram that the present invention has sitting posture adjustment prompting function.
Fig. 2 is the top view of protective layer.
Fig. 3 is one sector element side view after bending of protective layer.
Fig. 4 is the connection relationship signal between rank stepped throughhole, pressure sensor, briquetting, protective layer and gland
Figure.
Fig. 5 is two neighboring with two pressure sensitive unit schematic diagrames corresponding to different height acupuncture point.
In figure: 1 pressure sensor, 11 left Chengfu pressure sensors, 12 right Chengfu pressure sensors, 13 left Chihpien pressure pass
Alarm, 23 left alarms, 24 right alarms, 3 behind alarm, 22 before sensor, 14 right Chihpien pressure sensors, 2 alarms, 21
Briquetting, 4 central processing unit systems, 5 protective layers, 6 glands.
Specific embodiment
The specific embodiment of the invention is described in further detail with reference to the accompanying drawing.
Specific embodiment one
The present embodiment is the school chair method of adjustment embodiment that prompting function is adjusted with sitting posture.
The school chair with sitting posture adjustment prompting function of the present embodiment, circuit part schematic diagram are as shown in Figure 1.
Raw seat includes the four identical pressure sensors 1 of setting on the seat, respectively left Chengfu pressure sensor 11, right Chengfu
Pressure sensor 12, left Chihpien pressure sensor 13 and right Chihpien pressure sensor 14;It further include four alarms 2, respectively
Preceding alarm 21, rear alarm 22, left alarm 23 and right alarm 24;And four briquettings 3, it is separately positioned on the left of student
Point bl 36, left side Chihpien cave, right side point bl 36, right side Chihpien cave;The pressure sensor 1 with alarm 2 and central processing
Device system 4 is connected;The upper surface of the pressure sensor 1 is lower than upper seat surface, and pressure sensor upper surface is provided with can
The protective layer 5 moved on chair top;The height of the briquetting 3 can adjust.
In the present embodiment, briquetting 3 can both use the form of telescopic rod, realize that a briquetting 3 has a variety of height
Technical solution, and can realize that height adjusts by replacing a series of briquetting 3 of different fixed heights;And the method adjusted,
It allows student to sit on the seat according to a standard gestures, by adjusting the height of briquetting 3, makes four 1 pressure values of pressure sensor
It is identical, or at a kind of proportionate relationship of determination.
Specific embodiment two
The present embodiment is the school chair embodiment that prompting function is adjusted with sitting posture.
The school chair with sitting posture adjustment prompting function of the present embodiment, on the basis of specific embodiment one, into one
Step limits protective layer 5 and is made of a series of identical sector element of specifications, and the sector element can be to pressure sensor direction
Bending, and not contact pressure sensor.The top view of protective layer 5 and a sector element side view after bending are respectively as schemed
Shown in 2 and Fig. 3.
Present embodiments provide the concrete structure design of protective layer 5.
Specific embodiment three
The present embodiment is the school chair embodiment that prompting function is adjusted with sitting posture.
The school chair with sitting posture adjustment prompting function of the present embodiment, on the basis of specific embodiment two, into one
Step limits and is provided with three rank stepped throughholes on seat, and direction is followed successively by first order step, second level step and the from top to bottom
Three-level step;The first order step places protective layer 5 and the gland 6 for being provided with through-hole, and the diameter of the protective layer 5 is less than the
The diameter of level-one step, gland 6 are threadedly coupled with first order step, and the through-hole of gland 6 is less than the diameter of protective layer 5;The second level
The bottom of the steps placement force sensor 1;The power supply line of pressure sensor 1 and data line are transferred to central processing by third level step
Device system 4.
Connection between three rank stepped throughhole of the present embodiment, pressure sensor 1, briquetting 3, protective layer 5 and gland 6
Relationship is as shown in Figure 4.
Wherein, the diameter of protective layer 5 is less than the diameter of first order step, and realizing protective layer 5 can transport on chair top
Dynamic function;And the through-hole of gland 6 is less than the diameter of protective layer 5, plays the role of preventing protective layer 5 from losing.
In the embodiment above, it is contemplated that the people acupuncture point height of different building shape is different, same people's Different Acupoint height is different,
Body is damaged in order to avoid a certain acupuncture point stress is excessive, briquetting 3 is designed to the structure that height can adjust.Two neighboring tool
There are two pressure sensitive units corresponding to different height acupuncture point as shown in Figure 5.
Specific embodiment four
The present embodiment is that the sitting posture adjustment realized on any one seat in three above school chair embodiment mentions
Awake embodiment of the method.
The sitting posture of the present embodiment adjusts based reminding method,
The pressure value that left Chengfu pressure sensor 11 obtains is N11, the pressure value that right Chengfu pressure sensor 12 obtains is
N12, the pressure value that left Chihpien pressure sensor 13 obtains is N13, the pressure value that right Chihpien pressure sensor 14 obtains is N14;
The following steps are included:
Step a, the parameters relationship under student's difference sitting posture is demarcated:
Under the state of listening to the teacher, four pressure values obtained according to pressure sensor 1 are obtained:
KListen a left side=N13/N11, KListen the right side=N14/N12, KChengfu=N11/N12, KIt listens=0.5KListen a left side+0.5KListen the right side;
Under the state of writing, four pressure values obtained according to pressure sensor 1 are obtained:
KWrite a left side=N13/N11, KWrite the right side=N14/N12, KChihpien=N13/N14, KIt writes=0.5KWrite a left side+0.5KWrite the right side;
Step b, front and back sitting posture judges
KIt is left=N13/N11, KIt is right=N14/N12, K=0.5KIt is left+0.5KIt is right;
If:
K < 0.7KIt listens, then judging result are as follows: student leans forward excessively, and preceding alarm 21 is alarmed, and student is sat by layback adjustment
Appearance repeats step b;
0.7KIt listens< K < 0.5KIt listens+0.5KIt writes, then judging result are as follows: student is in state of writing, and enters step c;
0.5KIt listens+0.5KIt writes< K < 1.5KIt listens, then judging result are as follows: student is in state of listening to the teacher, and enters step c;
K > 1.5KIt listens, then judging result are as follows: student's layback excessively, alarm by rear alarm 22, and student is sat by adjustment of leaning forward
Appearance repeats step b;
Step c, left and right sitting posture judges
It is in and is write under state in student, if:
N11/N12> 1.2KChengfu, then judging result are as follows: student is left-leaning excessively, and left alarm 23 is alarmed, and student is not changing
Under the premise of the sitting posture of front and back, sitting posture is adjusted by being tilted to the right, repeats step c;
N11/N12< 5KChengfu/ 6, then judging result are as follows: student's Right deviation is excessive, and right alarm 24 is alarmed, and student is not changing
Under the premise of the sitting posture of front and back, sitting posture is adjusted by being tilted to the left, repeats step c;
Other, then judging result are as follows: student is in state of normally writing;
It is in and is listened to the teacher under state in student, if:
N13/N14> 1.2KChihpien, then judging result are as follows: student is left-leaning excessively, and left alarm 23 is alarmed, and student is not changing
Under the premise of the sitting posture of front and back, sitting posture is adjusted by being tilted to the right, repeats step c;
N13/N14< 5KChihpien/ 6, then judging result are as follows: student's Right deviation is excessive, and right alarm 24 is alarmed, and student is not changing
Under the premise of the sitting posture of front and back, sitting posture is adjusted by being tilted to the left, repeats step c;
Other, then judging result are as follows: student is in state of normally listening to the teacher.