CN103514719B - Correcting sitting posture method and device - Google Patents
Correcting sitting posture method and device Download PDFInfo
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- CN103514719B CN103514719B CN201310482130.9A CN201310482130A CN103514719B CN 103514719 B CN103514719 B CN 103514719B CN 201310482130 A CN201310482130 A CN 201310482130A CN 103514719 B CN103514719 B CN 103514719B
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Abstract
The present invention relates to a kind of correcting sitting posture method and apparatus, when head tilts, S and the first preset data are compared, when S is greater than the first preset data, according to the angle that tilts, calculate the cosine value of the distance S of eye distance target observation thing, the cosine value of S is the projector distance of S on perpendicular, and the cosine value of described S and the second preset data is compared; When the cosine value of described S is less than the second preset data, send corresponding prompting to user to report to the police, instruct user to correct faulty sitting posture, because S is greater than the situation that the first preset data causes reporting to the police when avoiding tilting, real-time instruction user can be adjusted to desirable sitting posture.
Description
Technical field
The present invention relates to medical health equipment field, particularly relate to a kind of correcting sitting posture method and device.
Background technology
The lessons pressure of the child of present society is very large, require to be seated for a long time, cervical spondylopathy, myopia may be caused, have impact on the growth of child and the health of health to a great extent, in order to ensure child learn in health be not affected, design a kind of device correcting child's sitting posture necessary.
The shortcoming of existing sitting-posture correction device is that intelligence degree is not high, and system accuracies is not high, can not fast and hommization help user realize correct object.
Summary of the invention
Based on this, be necessary that providing a kind of can point out user the correcting sitting posture method corrected faulty sitting posture in time in real time and accurately.In addition, a kind of sitting-posture correction device is also proposed.
A kind of correcting sitting posture method, comprising:
Human body eyes are to the distance S of target observation thing;
Human body head tilts angle [alpha];
Described S and the first preset data are compared, when S is greater than described first preset data, calculate the cosine value of S according to the described angle [alpha] that tilts, the cosine value of described S is the projector distance of S on perpendicular, and the cosine value of described S and the second preset data is compared;
When the cosine value of described S is less than the second preset data, sends corresponding prompting to user and report to the police, instruct user to correct faulty sitting posture.
Wherein in an embodiment, described correcting sitting posture method also comprises:
Human body head tilts forward and back angle;
The described angle that tilts forward and back is compared with the angle of inclination of presetting;
When detect tilt forward and back angle be greater than default angle of inclination time, send corresponding prompting to user and report to the police, instruct user to correct faulty sitting posture.
Wherein in an embodiment, described S and described first preset data are compared, send corresponding prompting when described S is less than described preset data directly to user and report to the police.
In addition, a kind of sitting-posture correction device is also proposed, comprise the stationary installation for being fixed to human body head, described stationary installation is provided with controller, supersonic sensing device, obliquity sensor and warning device, the distance S of wherein said supersonic sensing device human body eyes and target observation thing, described obliquity sensor human body head tilts angle [alpha], described S and the first preset data compare by described controller, when S is greater than described first preset data, described controller according to described in the angle [alpha] that tilts calculate the cosine value of S, the cosine value of described S is the projector distance of S on perpendicular, and the cosine value of described S and the second preset data are compared, when the cosine value of described S is less than the second preset data, described controller drives described warning device to send corresponding prompting to user and reports to the police, user is instructed to correct faulty sitting posture.
Wherein in an embodiment, described stationary installation is also provided with the power supply for powering to described controller, supersonic sensing device, obliquity sensor and warning device.
Wherein in an embodiment, described stationary installation comprises the base of annular, and described controller, supersonic sensing device, obliquity sensor and warning device are arranged on described base.
Wherein in an embodiment, the outer wall that described base comprises the diapire of ring-type, the inwall upwards extended from the inner edge of diapire and upwards extends from the outer rim of diapire, described controller, supersonic sensing device, obliquity sensor and warning device are installed in the cavity between described inner and outer wall.
Wherein in an embodiment, described stationary installation also comprises the lid of the annular matched with described base, and the cavity between described inner and outer wall covers by described lid.
Wherein in an embodiment, described base is made up of resilient material.
Wherein in an embodiment, described warning device is sounding or vibrating device.
In above-mentioned correcting sitting posture method and device, when head tilts, according to the angle that tilts, calculate the cosine value of the distance S of eye distance target observation thing, and the cosine value of described S and the second preset data are compared; When the cosine value of described S is less than the second preset data, send corresponding prompting to user to report to the police, instruct user to correct faulty sitting posture, because S is greater than the situation that preset data causes reporting to the police when avoiding tilting, real-time instruction user can be adjusted to desirable sitting posture.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of correcting sitting posture method;
Fig. 2 is the schematic diagram of correcting sitting posture method;
Fig. 3 is the assembly drawing of sitting-posture correction device;
Fig. 4 is the explosive view of sitting-posture correction device;
Fig. 5 is the assembly drawing that sitting-posture correction device removes lid;
Fig. 6 is the connection diagram of each element of sitting-posture correction device.
Embodiment
Below in conjunction with accompanying drawing, the better embodiment of correcting sitting posture method is described.
When abnormal sitting posture is true, health can tilt above the waist certain angle usually, and head also can tilt thereupon.Usually carry out reminding user by the distance between head to target observation thing (as books) to correct faulty sitting posture in time, or tilt forward and back angle by head and carry out reminding user and correct faulty sitting posture in time.
Find in reality, even if head does not tilt forward and back, and head to the distance of books is greater than standard value, but head is if tilt, and is also a kind of incorrect sitting posture.Now head does not tilt forward and back, and detects the device tilting forward and back angle also can not therefore report to the police even if be provided with; And if whether the distance between only relying on by means of the head detected to target observation thing meets standard value to judge, because the distance now detected is greater than standard value, therefore can not correct faulty sitting posture by reminding user in time.In order to correcting sitting posture problem when head tilts also can be solved, the invention provides following examples.
Fig. 1 is the process flow diagram of the correcting sitting posture method of an embodiment, is particularly useful for the rectification of sitting posture of student, describes in detail below in conjunction with concrete steps.
S110, human body eyes are to the distance S of target observation thing.In reality, the distance measuring equipments such as the ultrasonic sensor being fixed on human body head can be utilized to measure the distance S of human eye to target observation thing.
S120, human body head tilt angle [alpha].The angle [alpha] that tilts when utilizing obliquity sensor head to tilt.As shown in Figure 2, this angle [alpha] that tilts is head when tilting, and the angle between inclination front and back position is an angle in vertical plane.Can be normal sitting position position be tilted to the left or be tilted to the right formed angle.
S130, described S and the first preset data to be compared, when S is greater than described first preset data, the cosine value of S is calculated according to the described angle [alpha] that tilts, the cosine value of described S is the projector distance of S on perpendicular, and the cosine value of described S and the second preset data is compared.First preset data is standard value (namely sets not think the safe distance or ideal distance that affect one's power of vision).
When human body is in standard sitting posture, the distance of human body distance objective observation thing equals standard value.Now, if when human body does not tilt forward and back and entirety is movable, the certain angle α but human body head tilts, the human eye detected will be greater than the first preset data to the distance S of target observation thing, now only rely on this distance S to give user one prompting, to carry out when this distance is less than the first preset data because point out to carry out reporting to the police to user by judging distance.But obvious now human body is in a wrong sitting posture.Therefore, the situation that obliquity sensor tilts to correct human body head is utilized herein.And if S is less than the first preset data, illustrate that now eyes target observation thing distance is comparatively near, then can send corresponding prompting directly to user and report to the police, with available protecting eyesight.
Please refer to Fig. 2, after distance S representative inclination, eyes are to the distance of target observation thing.Because S cannot directly be used for correcting faulty sitting posture, and during human normal sitting posture, the plane X that between human body to target observation thing, formation one is vertical, draws a reference distance S in Fig. 2 thus
real, can be regarded as S
realfor the projector distance of distance S in plane X.In Fig. 2, the corresponding line segment of S, S
realanother line segment corresponding, the value of the angle formed in level between two line segments is approximately equal to the aforesaid angle [alpha] that tilts in vertical plane.Therefore, can with the cosine value of S as S
realapproximate value.By formula S
real=S × COS α, namely calculates the cosine value of S, i.e. S in real time according to the angle [alpha] that tilts
real.Then, the cosine value of S and the second preset data are compared.
S140, when the cosine value of described S is less than the second preset data, sends corresponding prompting to user and report to the police, instruct user to correct faulty sitting posture.The angle [alpha] that tilts is larger, and human body head tilts more severe, now the cosine value of S and S
realin the trend diminished, work as S
realwhen being less than the second preset data, illustrate that human body head inclined degree has exceeded acceptable scope, now, send corresponding prompting to user and report to the police, instruct user to correct faulty sitting posture, until the angle [alpha] that tilts returns back in acceptable scope.Warning can be vibration or voice message, or the combination of the two.It has been generally acknowledged that 33cm is a desirable distance, therefore usually preset data being set to 33cm, when causing S because tilting
realwhen being less than 33cm, said method can and alarm, reminding user corrects faulty sitting posture in time.
Above-mentioned correcting sitting posture method is further comprising the steps of: human body head tilts forward and back angle; The described angle that tilts forward and back is compared with the angle of inclination of presetting; When detect tilt forward and back angle be greater than default angle of inclination time, send corresponding prompting to user and report to the police, instruct user to correct faulty sitting posture.Because human body not necessarily exists situation about tilting, also just may tilt forward and back, bow or swing back, now eyes also may be greater than standard value to the distance of target observation thing, therefore judge by angle of inclination, and send prompting to user and report to the police.
In addition, also proposed a kind of sitting-posture correction device can implementing above-mentioned correcting sitting posture method.
Please refer to Fig. 3 to Fig. 6, a kind of sitting-posture correction device 100, comprise the stationary installation 110 for being fixed to human body head, be arranged on the controller 120 in stationary installation 110, be arranged in stationary installation 110 and the supersonic sensing device 130, obliquity sensor 140, the warning device 150 that are connected with controller 120 respectively, and give the power supply 160 of these power elements.
Supersonic sensing device 130 can the distance S of human body eyes and target observation thing, obliquity sensor 140 can to tilt angle [alpha] by human body head, S and the first preset data compare by controller 120, when S is greater than the first preset data, controller 120 calculates the cosine value of S according to the angle [alpha] that tilts, the cosine value of S is the projector distance of S on perpendicular, and the cosine value of described S and the second preset data are compared, and when the cosine value of described S is less than the second preset data, described controller drives described warning device to report to the police, user is instructed to correct faulty sitting posture.
Stationary installation 110 comprises the base 112 of annular and the lid 114 of the annular matched with base 112.So, stationary installation 110 is devices that there is through hole a centre, can be enclosed within human body head, easy to carry and use.
The outer wall 1126 that base 112 comprises the diapire 1122 of ring-type, the inwall 1124 upwards extended from the inner edge of diapire 1122 and upwards extends from the outer rim of diapire 1122.Form cavity between inwall 1124 and outer wall 1126, controller 120, supersonic sensing device 130, obliquity sensor 140, warning device 150 and power supply 160 are all placed in this cavity.Lid 114 connects after on base 112, and the cavity between inwall 1124 and outer wall 1126 covers by lid 114, improves the security of element such as controller 120 grade, also makes the good looking appearance of sitting-posture correction device 100.
Base 112 is made up of resilient material, and convenient cover, to human body head, can improve the comfortableness worn simultaneously.Warning device 150 is sound-producing device, as loudspeaker, hummer etc., or is vibrating device, as oscillator.
The structure of stationary installation 110 is not described as limit with above-mentioned, as can glasses type be arranged to, or hair clip pattern.Also not certain requirement is worn to human body head, also can be hang on ear, can also hang on the outer goodses such as cap.
When above-mentioned sitting-posture correction device 100 uses, human body head can be monitored in real time and to tilt angle, give the alarm in time, instruct user to adjust sitting posture.Obliquity sensor 140 can also tilt forward and back angle by human body head, therefore above-mentioned sitting-posture correction device 100 can also instruct user to adjust sitting posture when human body head tilts forward and back, now, only need the angle that tilts forward and back detected to compare with the angle of inclination of presetting.
In addition; sitting-posture correction device 100 also possesses sight protectio effect; the eyes detected by supersonic sensing device 130 compare to the distance S of target observation thing and preset data; if S is less than preset data; then drive warning device 150 directly to send warning by controller 120, do not need to be judged by the cosine value calculating S again.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a correcting sitting posture method, is characterized in that, comprising:
Human body eyes are to the distance S of target observation thing;
Human body head tilts angle [alpha], described in the angle [alpha] that tilts be head when tilting, the angle between inclination front and back position;
Described S and the first preset data are compared, when S is greater than described first preset data, calculate the cosine value of S according to the described angle [alpha] that tilts, the cosine value of described S is the projector distance of S on perpendicular, and the cosine value of described S and the second preset data is compared;
When the cosine value of described S is less than the second preset data, sends corresponding prompting to user and report to the police, instruct user to correct faulty sitting posture.
2. correcting sitting posture method according to claim 1, its feature is being: described correcting sitting posture method also comprises:
Human body head tilts forward and back angle;
The described angle that tilts forward and back is compared with the angle of inclination of presetting;
When detect tilt forward and back angle be greater than default angle of inclination time, send corresponding prompting to user and report to the police, instruct user to correct faulty sitting posture.
3. correcting sitting posture method according to claim 1, is characterized in that: described S and described first preset data are compared, and sends corresponding prompting report to the police when described S is less than described first preset data directly to user.
4. a sitting-posture correction device, it is characterized in that, comprise the stationary installation for being fixed to human body head, described stationary installation is provided with controller, supersonic sensing device, obliquity sensor and warning device, the distance S of wherein said supersonic sensing device human body eyes and target observation thing, described obliquity sensor human body head tilts angle [alpha], described S and the first preset data compare by described controller, when S is greater than described first preset data, described controller according to described in the angle [alpha] that tilts calculate the cosine value of S, the cosine value of described S is the projector distance of S on perpendicular, and the cosine value of described S and the second preset data are compared, when the cosine value of described S is less than the second preset data, described controller drives described warning device to send corresponding prompting to user and reports to the police, user is instructed to correct faulty sitting posture.
5. sitting-posture correction device according to claim 4, is characterized in that, described stationary installation is also provided with the power supply for powering to described controller, supersonic sensing device, obliquity sensor and warning device.
6. sitting-posture correction device according to claim 4, is characterized in that, described stationary installation comprises the base of annular, and described controller, supersonic sensing device, obliquity sensor and warning device are arranged on described base.
7. sitting-posture correction device according to claim 6, it is characterized in that, the outer wall that described base comprises the diapire of ring-type, the inwall upwards extended from the inner edge of diapire and upwards extends from the outer rim of diapire, described controller, supersonic sensing device, obliquity sensor and warning device are installed in the cavity between described inner and outer wall.
8. sitting-posture correction device according to claim 7, is characterized in that, described stationary installation also comprises the lid of the annular matched with described base, and the cavity between described inner and outer wall covers by described lid.
9. sitting-posture correction device according to claim 6, is characterized in that, described base is made up of resilient material.
10. sitting-posture correction device according to claim 4, is characterized in that, described warning device is sounding or vibrating device.
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| CN201310482130.9A CN103514719B (en) | 2013-10-15 | 2013-10-15 | Correcting sitting posture method and device |
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| CN201310482130.9A CN103514719B (en) | 2013-10-15 | 2013-10-15 | Correcting sitting posture method and device |
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| CN103514719B true CN103514719B (en) | 2016-03-30 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104460993A (en) * | 2014-11-21 | 2015-03-25 | 浙江工业职业技术学院 | Angle and distance reminding device based on ARM |
| CN104390661A (en) * | 2014-11-21 | 2015-03-04 | 浙江工业职业技术学院 | FPGA (Field Programmable Gate Array) based angle and distance reminding device |
| CN105787237A (en) * | 2014-12-24 | 2016-07-20 | 刁宇童 | Read-write posture monitoring method and device |
| CN105788185A (en) * | 2014-12-24 | 2016-07-20 | 刁宇童 | Method and device for monitoring sitting posture |
| CN106372294A (en) * | 2016-08-30 | 2017-02-01 | 苏州品诺维新医疗科技有限公司 | Method and device for correcting posture |
| CN106781327B (en) * | 2017-03-09 | 2020-02-07 | 广东小天才科技有限公司 | Sitting posture correction method and mobile terminal |
| CN107606512B (en) * | 2017-07-27 | 2020-09-08 | 广东数相智能科技有限公司 | Intelligent desk lamp, and method and device for reminding user of sitting posture based on intelligent desk lamp |
| CN109239713B (en) * | 2018-08-23 | 2024-04-09 | 汉王科技股份有限公司 | Sitting posture detection device, table lamp and sitting posture detection method |
| CN112603256B (en) * | 2020-12-03 | 2022-10-25 | 昆明依利科特科技有限公司 | High-precision non-contact type virus-involved detection method and detection system based on pupil size |
| CN112656366B (en) * | 2020-12-03 | 2022-10-25 | 昆明依利科特科技有限公司 | Method and system for measuring pupil size in non-contact manner |
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