CN105788185A

CN105788185A - Method and device for monitoring sitting posture

Info

Publication number: CN105788185A
Application number: CN201410811234.4A
Authority: CN
Inventors: 刁宇童; 钱禹舟
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-12-24
Filing date: 2014-12-24
Publication date: 2016-07-20

Abstract

The invention provides a method and a device for monitoring the sitting posture, which overcomes at least one defect of the existing sitting posture monitoring technique in the prior art that: the existing sitting posture monitoring technique is high in misjudgement rate and lack of energy-saving measures and is incapable of realizing the unified monitoring of the sitting posture and the reading/writing posture, recognizing the pseudo-sitting posture and evaluating the sitting posture afterwards. The method for monitoring the sitting posture comprises the steps of acquiring the parameters of a fiducial sitting posture; determining the basic change range of the sitting posture; recognizing the out-of-range condition of the variation of the sitting posture; and recognizing the abnormal sitting posture. Based on the method and the device provided in the embodiments of the present invention, the recognition of the sitting posture and the reading/writing posture can be comprehensively achieved in accordance with the naturally moving rule of the sitting posture and the reading/writing posture. Meanwhile, the method and the device are high in accuracy. Therefore, the method and the device can be used for not only instantly prompting the sitting posture, but also evaluating the sitting posture after the monitoring process. The method and the device are very practical.

Description

A kind of sitting posture monitoring method and device

Technical field

The present invention relates to conduct education field, particularly relate to a kind of sitting posture monitoring method and device.

Background technology

Good sitting posture is conducive to the skeleton development of child and the maintenance of vision, in order to cultivate the good sitting position of child, a lot of monitoring method and antidote are created, there is mechanical type sitting-posture correction device, there is electronic type monitoring alarm set, wherein mechanical type apparatus for correcting includes configuration limited support on desk, spacing binder is set on the seat, child's chin is placed chin strap etc., electronic type monitoring alarm set includes placing tilt detector monitoring head inclination at head, desk lamp is placed the change of Infrared Detectors detection of body attitude, glasses are placed range finder module monitoring reading distance etc..At present in patent application field, occur in that the technology of electronic method used as described below monitoring sitting posture:

Application number is CN202171700U, application name is called that Glasses structure that the utility model of " glasses of a kind of rectifying seating posture " provides and sitting posture reminding method are: described glasses include eyeglass, picture frame and a left side, right mirror holder, it is characterized in that: described glasses also include an autoalarm, autoalarm is by minicell box, controller, distance measuring sensor and alarm, its middle controller includes a Single Chip Microcomputer (SCM) system, described minicell box and controller are separately positioned on a left side, in right mirror holder, distance measuring sensor and alarm are arranged in picture frame, the signal input part of controller is connected with the signal output part of distance measuring sensor, the signal output part of controller is connected with the signal input part of alarm.When people read a book or see the computer eyes distance from books or computer lower than setpoint distance, distance measuring sensor will experience barrier books or computer display screen, and signal passes to controller, and controller just controls alarm equipment alarm and reminds people to ensure sitting posture.

Application number is CN2710065Y, and application name is called that the utility model of " sitting posture warning correcting instrument " discloses one and writes sitting posture warning correcting instrument, and it is one monitor cartridge of installation on the connecting rod of earphone, and monitor cartridge is built with metal balls switch and musical film.Utilizing alarm switch to tilt, ball is connected circuit and is made the function of musical film sounding alarm, reminds user to keep correct sitting posture and good writing style in time, reaches protection vision and pre-myopic-preventing purpose.

Application number is CN2634273Y; application name is called the monitoring sitting posture provided in " speech monitoring sitting posture, protection vision intelligent desk lamp ", the intelligent apparatus of protection vision includes: sitting posture judges power circuit, single-chip microcomputer governor circuit, digital coding sequential reception circuit, digital coding sequence transmission circuit, and multistage triggers sound circuit.Digital coding sequence transmission circuit includes emitting head；Digital coding sequential reception circuit includes infrared remote receiver, and infrared remote receiver selects household electrical appliances particularly used as television infrared remote control receiver；Multistage triggers sound circuit and also includes speaker.

Application number is CN103335265A, and application name is called that " a kind of separated wireless monitoring sitting posture myopia prevention desk lamp and manufacture method thereof " includes a lamp body, one separates the separated wireless monitor box of also adjustable angle with this lamp body；This separated wireless monitor box includes box body and the monitoring distance adjustment switch, several reflective infrared emission sensors, reflective infrared receiver sensor, monitoring distance control chip, wireless transmit control chip, monitoring distance adjusting control circuit, the monitoring distance flashing light that are installed in this box body；In this several reflective infrared emission sensor, wherein several reflective infrared emission sensors are arranged on the left and right sides of the end face of this separated wireless monitor box, and other reflective infrared emission sensor is arranged on left surface and the right flank of this separated wireless monitor box；This monitoring distance regulates switch and is arranged on box body；This reflective infrared emission sensor, reflective infrared receiver sensor, wireless transmit control core, monitoring distance adjusting control circuit, monitoring distance flashing light and are electrically connected with this monitoring distance control chip respectively, and are subject to the control of this monitoring distance control chip；The reflective infrared emission sensor of this separated wireless monitor box is wirelessly electrically connected with the lamp body wireless receiving of this lamp holder and control integration module.

In sum, existing sitting posture monitoring technology has a disadvantage in that

Sitting posture is abnormal judges that link does not embody the natural trend attribute of sitting posture, single event (setting single distance threshold or angle thresholding) is adopted to trigger sitting posture correction function prompting, cause that false alarm rate is high, monitored child can be made to produce conflict psychology or bear mental pressure to this monitoring；

Sitting posture monitoring method be not carried out to sitting posture correction and with the comprehensive monitoring of reading/writing distance, sitting posture monitoring method needs comprehensively to realize sitting posture correction monitoring and reading/writing distance monitoring, and sitting posture monitoring is equal to monitoring reading/writing distance or is equal to whether torticollis by prior art；

Sitting posture monitoring method does not provide pseudo-sitting posture recognition methods, and child sitting gesture monitoring there will be, in correcting, the situation escaping monitoring, has before child is placed on monitor and places false object deception monitor, it is necessary to this pseudo-sitting posture is identified；

Sitting posture monitoring method does not provide the record of sitting posture data, transmission and appraisal procedure, and this is to analyze child sitting gesture to show or required for the change situation of sitting posture custom；

Sitting posture monitoring method is not given at power-saving method when monitored personnel leave.

Summary of the invention

The present invention provides a kind of sitting posture monitoring method and device, monitor for human body sitting posture, it is therefore intended that overcome that the False Rate that existing sitting posture monitoring technology exists is high, can not unify to realize sitting posture with read-write posture monitoring, not can recognise that pseudo-sitting posture, cannot be used at least one that sitting posture is assessed and lacked in these shortcomings of conservation measures afterwards.

The present invention provides a kind of sitting posture monitoring method, and the method comprises the steps:

Obtaining benchmark sitting posture parameter, this benchmark sitting posture parameter includes the first benchmark sitting posture parameter and/or the second benchmark sitting posture parameter；First benchmark sitting posture parameter includes the sensor on ad-hoc location in particular directions to the range data of human face and/or chest, and the second benchmark sitting posture parameter includes the sensor on ad-hoc location in particular directions to the range data of human face and/or chest；

Determine the basic excursion of sitting posture, including: with benchmark sitting posture parameter for reference, determine the basic excursion of sitting posture according to the predetermined basic variable quantity of sitting posture parameter, specifically include and determine following at least one parameter value:

Sensor on ad-hoc location is in particular directions to the minima of human face and/or the range data of chest；

Determine that the sensor on ad-hoc location is in particular directions to the maximum of human face and/or the range data of chest；And

Sensor on ad-hoc location is in particular directions to the facial left/right deviation angle that the range data of human face represents；

Sitting posture changes super elemental range identification, including: obtain sitting posture parameter, this sitting posture parameter is obtained compared with described benchmark sitting posture parameter sitting posture Parameters variation amount, if this sitting posture Parameters variation amount exceeds the predetermined basic variable quantity of sitting posture parameter, then this sitting posture state is judged to this range state of hyper-base, otherwise, it is judged in elemental range by this sitting posture state state；

Abnormal sitting posture identification, operates including following at least one identification:

Potential abnormal sitting posture identification, including: after identifying sitting posture change this range state of hyper-base, using this state as potential abnormal sitting posture state；

Super elemental range identification when sitting posture change is long, including: after identifying sitting posture change this range state of hyper-base, determine whether the persistent period of this state, if the persistent period is beyond predetermined super elemental range time threshold, then this state is judged to abnormal sitting posture state, otherwise this state is judged to accidental state in short-term；

Sitting posture changes the super elemental range identification in short-term that takes place frequently, including: identifying sitting posture change this range state of hyper-base and this state be judged in short-term after accidental state, accidental state in short-term whether is occurred in that in time interval one before determining whether the generation of this state, if not, this state is judged to accidental state in short-term, if so, then this state is judged to abnormal sitting posture state；

Sitting posture disappears and identifies, including: after identifying sitting posture change this range state of hyper-base, and at sitting posture away from the distance of sensor beyond after predetermined disappearance distance threshold, being judged to sitting posture vanishing state；And,

Pseudo-sitting posture identification, including: identify in two or more elemental range after state in time interval two continuously, the corresponding sitting posture parameter of state in the elemental range occurred in contrast different time points, if the difference between corresponding sitting posture parameter is less than predetermined sitting posture natural trend thresholding, then state in described elemental range is judged to pseudo-sitting posture state, is otherwise judged to normal sitting position state.

Preferably, present invention additionally comprises the sending method of cue, specifically include following at least one operation；

After identifying potential abnormal sitting posture, send potential abnormal sitting posture cue；

When identifying sitting posture change and being long after super elemental range, send sitting posture correction function cue；

Take place frequently in short-term after super elemental range identifying sitting posture change, send sitting posture correction function cue；And

After continuing to monitor a time interval, to provide the number of times that in this time interval, abnormal sitting posture occurs in the way of voice or numeral；

Wherein, described in send potential abnormal sitting posture cue and/or send the operation of sitting posture correction function cue, specifically include following at least one step:

Any one in loudspeaker, wired earphone or wireless headset is used to send sound equipment and/or voice message signal；

Send light prompt signal；

Send vibration prompting signal.

Preferably, present invention additionally comprises the forwarding step of Monitoring Data and/or the method for the basic variable quantity reception of predetermined sitting posture parameter, wherein,

The forwarding step of described Monitoring Data specifically includes:

Obtain sitting posture Monitoring Data step, including obtaining following at least one data:

Benchmark sitting posture parameter；

The basic excursion parameter of sitting posture；

Sitting posture parameter；

The time point that sitting posture change this range event of hyper-base occurs；

Sitting posture change long time this range event of hyper-base occur time point and/or the persistent period；

Sitting posture changes the time point and/or persistent period that this range event of hyper-base occurs in short-term that take place frequently；

The time point of sitting posture disappearance event appearance and/or persistent period；

The time point of pseudo-sitting posture event appearance and/or persistent period；

Monitoring Data forwarding step, including following at least one operation:

By wired or wave point, described sitting posture Monitoring Data is transmitted directly at least one in mobile phone terminal, computer and removable memory；And

By wired or wave point, described sitting posture Monitoring Data is sent directly to communication network, is sent at least one in server, mobile phone terminal and computer through communication network；

The described basic variable quantity receiving step of predetermined sitting posture parameter includes:

By wired or wave point, at least one from mobile phone terminal, the Internet and removable memory receives the predetermined basic variable quantity of sitting posture parameter.

A kind of sitting posture monitoring device that the present invention should provide, including:

Benchmark sitting posture parameter acquiring unit, the basic excursion of sitting posture determines unit, sitting posture change this range perceiving unit of hyper-base, abnormal sitting posture recognition unit, sensor unit；Wherein,

Described benchmark sitting posture parameter acquiring unit, is used for obtaining the first benchmark sitting posture parameter and/or the second benchmark sitting posture parameter；First benchmark sitting posture parameter includes the sensor on ad-hoc location in particular directions to the range data of human face and/or chest, and the second benchmark sitting posture parameter includes the sensor on ad-hoc location in particular directions to the range data of human face and/or chest；Benchmark sitting posture parameter acquiring unit uses the range information received from sensor unit to obtain described range data, and described range data is sent to the basic excursion of sitting posture determines unit；

The basic excursion of described sitting posture determines unit, for the benchmark sitting posture parameter to obtain from benchmark sitting posture parameter acquiring unit for reference, determine the basic excursion of sitting posture according to the predetermined basic variable quantity of sitting posture parameter prestored, specifically include use and determine following at least one parameter value:

Described sitting posture change this range perceiving unit of hyper-base, for identifying that whether sitting posture change is beyond elemental range, the recognition methods of its execution includes: obtain sitting posture parameter, this sitting posture parameter is obtained compared with described benchmark sitting posture parameter sitting posture Parameters variation amount, if this sitting posture Parameters variation amount exceeds the predetermined basic variable quantity of sitting posture parameter, then this sitting posture state is judged to this range state of hyper-base, otherwise, is judged in elemental range by this sitting posture state state；From the basic excursion of sitting posture, this unit determines that unit obtains the basic excursion of sitting posture, obtain current sitting posture parameter from sensor unit, after completing the sitting posture super elemental range identification of change, recognition result is sent to abnormal sitting posture recognition unit；

Described abnormal sitting posture recognition unit, is used for performing following at least one identification and operates:

Pseudo-sitting posture identification, including: identify in two or more elemental range after state in time interval two continuously, the corresponding sitting posture parameter of state in the elemental range occurred in contrast different time points, if the difference between corresponding sitting posture parameter is less than predetermined sitting posture natural trend thresholding, then state in described elemental range is judged to pseudo-sitting posture state, is otherwise judged to normal sitting position state；

Described abnormal sitting posture recognition unit changes this range perceiving unit of hyper-base from sitting posture and obtains its recognition result, obtains current sitting posture parameter from sensor unit；

Described sensor unit, is used for obtaining range information and/or angle information, including supersonic sensing unit or photoelectric sensing unit, it is preferable that include supersonic sensing unit.

The device that the present invention provides, also includes cue transmitting element, sends for following at least one signal:

Take place frequently in short-term after super elemental range identifying sitting posture change, send sitting posture correction function cue；

Wherein, described in send potential abnormal sitting posture cue and/or send sitting posture correction function cue, specifically include following at least one and realize method:

Send light prompt signal；

Send vibration prompting signal.

The present invention provides a kind of sitting posture monitoring method and device, monitor for human body sitting posture, can overcome that the False Rate that existing sitting posture monitoring technology exists is high, can not unify to realize sitting posture with read-write posture monitoring, not can recognise that pseudo-sitting posture, cannot be used for sitting posture assessment afterwards and at least one lacked in these shortcomings of conservation measures that there is practicality.

Accompanying drawing explanation

Fig. 1 is a kind of sitting posture monitoring method flow chart that embodiment provided by the invention provides；

Fig. 2 is the schematic diagram obtaining benchmark sitting posture parameter with single-sensor that embodiment provided by the invention provides；

Fig. 3 is the schematic diagram obtaining benchmark sitting posture parameter with multisensor that embodiment provided by the invention provides；

Fig. 4 is a kind of sitting posture monitoring device composition schematic diagram that embodiment provided by the invention provides.

Embodiment

For the ease of describing and understanding embodiment provided by the invention, first the basic conception relevant to sitting posture is illustrated below.

Sitting posture includes the sitting posture under the state of sitting up straight and the sitting posture under read-write state.Under the state of sitting up straight, new line is squared one's shoulders, and eyes to the front；Under read-write state, chest and face lean forward, and watching is read thing or writes place.Human body is not motionless under normal sitting posture, but there are two basic features: 1) sitting posture can around the variation naturally in a basic excursion of benchmark sitting posture, this is required for fatigue alleviating, as in the rotation sitting up straight or having under read-write state head and chest, the chest having appropriateness leans forward or swings back；2) sitting posture can, once in a while in short-term beyond basic excursion, as sat up straight or can bend over once in a while under read-write state pick up thing or scratch an itch, can be that eye position presses close to read thing/write thing beyond basic excursion in short-term to see details clearly.Accurately identify abnormal sitting posture it is necessary to embody above-mentioned two basic feature in abnormal sitting posture criterion of identification.

In existing sitting posture monitoring technology, extremely judge that link does not embody the natural trend attribute of sitting posture at sitting posture, single event (setting single distance threshold or angle thresholding) is adopted to trigger sitting posture correction function prompting, cause that false alarm rate is high, monitored child can be made to produce conflict psychology or bear mental pressure to this monitoring；

In existing sitting posture monitoring technology, be not carried out to sitting posture correction and with the comprehensive monitoring of reading/writing distance, sitting posture monitoring method needs comprehensively to realize sitting posture correction monitoring and reading/writing distance monitoring, and sitting posture monitoring is equal to monitoring reading/writing distance or is equal to whether torticollis by prior art；

In existing sitting posture monitoring technology, do not provide pseudo-sitting posture recognition methods, child there will be, in monitored, the situation wriggling out of monitoring, have child and replace oneself accepting monitoring by placing object before monitor, now monitor monitors to be false sitting posture, it is necessary to this pseudo-sitting posture is identified；

In existing sitting posture monitoring technology, it does not have provide the record of sitting posture data, transmission and appraisal procedure, this is required for the change situation of the performance of analysis and evaluation child sitting gesture or sitting posture custom；

In existing sitting posture monitoring technology, it does not have be given at the power-saving method of monitor when monitored personnel leave.

Below in conjunction with accompanying drawing, sitting posture monitoring method provided by the invention citing, sitting posture monitoring device citing are illustrated.

Embodiment one, a kind of sitting posture monitoring method citing

Shown in Figure 1, a kind of sitting posture monitoring method embodiment provided by the invention comprises the steps:

Step S110, obtains benchmark sitting posture parameter, and this benchmark sitting posture parameter includes the first benchmark sitting posture parameter and/or the second benchmark sitting posture parameter；First benchmark sitting posture parameter includes the sensor on ad-hoc location in particular directions to the range data of human face and/or chest, and the second benchmark sitting posture parameter includes the sensor on ad-hoc location in particular directions to the range data of human face and/or chest；

Step S120, it is determined that the basic excursion of sitting posture, including:

With benchmark sitting posture parameter for reference, determine the basic excursion of sitting posture according to the predetermined basic variable quantity of sitting posture parameter, specifically include and determine following at least one parameter value:

Step S130, sitting posture changes super elemental range identification, including:

Obtain sitting posture parameter, this sitting posture parameter is obtained compared with described benchmark sitting posture parameter sitting posture Parameters variation amount, if this sitting posture Parameters variation amount exceeds the predetermined basic variable quantity of sitting posture parameter, then this sitting posture state is judged to this range state of hyper-base, otherwise, it is judged in elemental range by this sitting posture state state；

Step S140, abnormal sitting posture identification, operate including following at least one identification:

In step S140, described super elemental range time threshold, its span is between 1 second to 10 second；

Described time interval one, its span is between 1 second to 10 second；

Described predetermined disappearance distance threshold, its span is between 0.5 meter to 2 meter；

Described time interval two, its span is between 1 minute to 10 minute；

Described sitting posture natural trend thresholding, including sitting posture natural trend distance threshold and/or sitting posture natural trend angle thresholding, the span of natural trend distance threshold is between 3 millimeters to 50 millimeters；The span of sitting posture natural trend angle thresholding is between 0.1 degree to 10 degree.

The method that the present embodiment provides, wherein,

The step of described acquisition benchmark sitting posture parameter, specifically includes:

When personnel to be monitored are in the first benchmark sitting posture state, the sensor being positioned at primary importance or first group of position in face of personnel to be monitored is used to obtain the sensor one or more range data to personnel to be monitored face and/or chest；

And/or,

When personnel to be monitored are in the second benchmark sitting posture state, the sensor being positioned at primary importance or first group of position in face of personnel to be monitored is used to obtain the sensor one or more range data to personnel to be monitored face and/or chest；

Wherein, described first benchmark sitting posture/the second benchmark sitting posture is read-write sitting posture/sit up straight sitting posture；

The step of described acquisition sitting posture parameter, for obtaining the sitting posture parameter that monitored people is current, specifically includes:

The sensor being positioned at the primary importance in face of personnel to be monitored or first group of position described in using obtains the sensor one or more range data to the face of personnel and/or chest that are currently at monitored state；

Wherein,

Described sensor is ultrasonic sensor or is photoelectric sensor；

Preferably, described sensor is ultrasonic sensor.

In the present embodiment, described ultrasonic sensor, for measuring human body face or the chest distance to ultrasonic sensor, concrete distance-finding method is: ultrasonic sensor send ultrasound wave and receive human body face or thoracic reflected return ultrasound wave, record hyperacoustic transmission time T1 and the echo T2 time of advent, (T2-T1) for hyperacoustic two-way time, being multiplied by hyperacoustic spread speed hyperacoustic two-way time and be hyperacoustic round distance, come and go distance 1/2nd are human body face or the chest distance to ultrasonic sensor.

In the present embodiment, described photoelectric sensor is photoelectric imaging sensor, for measuring human body face or the chest distance to photoelectric sensor, concrete distance-finding method is: in the visual field of photoelectric imaging sensor, distance is that to place yardstick on known position be known optical indicia, using the yardstick on this optical indicia and face is the geometrical relationship between known optical indicia, carries out distance and/or angular surveying according to optics geometry image-forming principle；The optical indicia that yardstick on face is known is following at least one:

The known distance scale between face, including: the distance between eyes, the distance between nose and eyes, at least one in the width of face or length；

The yardstick of at least one dimension worn is known glasses.

Below in conjunction with Fig. 2, the step obtaining benchmark sitting posture parameter with single-sensor is described further:

In Fig. 2, personnel to be monitored are in the first benchmark sitting posture state, are positioned at the sensor 210 of primary importance and obtain a range data of personnel's face 231 to be monitored in a first direction on 221；The sensor 210 being positioned at primary importance obtains a range data of personnel's chest 232 to be monitored in second direction 222；

It is in a range data of personnel's face 231 to be monitored of the first benchmark sitting posture state described in using, or uses a range data of a range data of described personnel's face 231 to be monitored and described personnel's chest 232 to be monitored as benchmark sitting posture parameter；And/or

When personnel to be monitored are in the second benchmark sitting posture state (being shown without the sitting posture that personnel to be monitored are under the second benchmark sitting posture state in Fig. 2), it are positioned at the sensor 210 of primary importance and obtain a range data of personnel's face 231 to be monitored in a first direction on 221；The sensor 210 being positioned at primary importance obtains a range data of personnel's chest 232 to be monitored in second direction 222；

It is in a range data of personnel's face 231 to be monitored of the second benchmark sitting posture state described in using, or uses a range data of a range data of described personnel's face 231 to be monitored and described personnel's chest 232 to be monitored as benchmark sitting posture parameter；

Or,

It is in a range data of personnel's face 231 to be monitored of the first benchmark sitting posture state and a range data of described personnel's chest 232 to be monitored described in using, and is in a range data of personnel's face 231 to be monitored of the second benchmark sitting posture state and a range data of described personnel's chest 232 to be monitored described in use as benchmark sitting posture parameter.

In Fig. 2, sensor 210 is arranged on the base 211 of monitoring device by support 212, the angle of sensor 210 and/or highly can adjust；The base 211 of monitoring device is placed on desktop 240.

In Fig. 2, C point represents in head layback change, the marginal position that back of head may be located within the scope of basic sitting posture；F point represents in the change leaned back, the marginal position that back may be located within the scope of basic sitting posture.

Below in conjunction with Fig. 3, the step obtaining benchmark sitting posture parameter with multisensor is described further:

In Fig. 3, personnel to be monitored are in the first benchmark sitting posture state, it is positioned at the sensor 310 of primary importance and obtains the personnel's face 231 to be monitored first range data under the first benchmark sitting posture on 321 in a first direction, the sensor 311 being positioned at the second position obtains the personnel's face 231 to be monitored second distance data under the first benchmark sitting posture in a second direction, and the sensor 312 being positioned at the 3rd position obtains the personnel's face 231 to be monitored 3rd range data under the first benchmark sitting posture on third direction；Wherein, described first direction, second direction and third direction be direction parallel to each other or point on respective position face three be differently directed；

The sensor 313 being positioned at the 4th position obtains the personnel's chest 232 to be monitored first range data under the first benchmark sitting posture in fourth direction 322, the sensor 314 being positioned at the 5th position obtains the personnel's chest 232 to be monitored second distance data under the first benchmark sitting posture on the 5th direction, and the sensor 315 being positioned at the 6th position obtains the personnel's chest 232 to be monitored 3rd range data under the first benchmark sitting posture on the 6th direction；

The step obtaining benchmark sitting posture parameter with multisensor also includes:

When personnel to be monitored are in the second benchmark sitting posture state (being shown without the sitting posture that personnel to be monitored are under the second benchmark sitting posture state in Fig. 2), it is positioned at the sensor 310 of primary importance and obtains the personnel's face 231 to be monitored first range data under the second benchmark sitting posture on 321 in a first direction, the sensor 311 being positioned at the second position obtains the personnel's face 231 to be monitored second distance data under the second benchmark sitting posture in a second direction, the sensor 312 being positioned at the 3rd position obtains the personnel's face 231 to be monitored 3rd range data under the second benchmark sitting posture on third direction；Wherein, described first direction, second direction and third direction be direction parallel to each other or point on respective position face three be differently directed；

The sensor 313 being positioned at the 4th position obtains the personnel's chest 232 to be monitored first range data under the second benchmark sitting posture in fourth direction 322, the sensor 314 being positioned at the 5th position obtains the personnel's chest 232 to be monitored second distance data under the second benchmark sitting posture on the 5th direction, and the sensor 315 being positioned at the 6th position obtains the personnel's chest 232 to be monitored 3rd range data under the second benchmark sitting posture on the 6th direction；Wherein, described fourth direction, the 5th direction and the 6th direction be direction parallel to each other or point on respective position face three be differently directed.

In Fig. 3, C point represents in head layback change, the marginal position that back of head may be located within the scope of basic sitting posture；F point represents in the change leaned back, the marginal position that back may be located within the scope of basic sitting posture.

The method that the present embodiment provides, wherein,

Described with benchmark sitting posture parameter for reference, determine the step of the basic excursion of sitting posture according to the predetermined basic variable quantity of sitting posture parameter, specifically include:

The following at least one variable quantity comprised in the predetermined basic variable quantity of sitting posture parameter is used to go to expand the span of relevant parameter in benchmark sitting posture parameter:

Use predetermined face/chest convergence variable quantity, the face under first/second benchmark sitting posture/chest reference range deducts this variable quantity, obtain the face/chest distance range that substantially leans forward relative to first/second benchmark sitting posture；

Use predetermined face/chest layback variable quantity, plus this variable quantity in the face under first/second benchmark sitting posture/chest reference range, obtain the face/chest distance range of substantially swinging back relative to first/second benchmark sitting posture；

Use predetermined facial left/right offset variation amount, plus this variable quantity in the facial fiducial azimuth under first/second benchmark sitting posture, obtain the face basic left/right offset angles runs relative to first/second benchmark sitting posture；

The distance range that substantially leans forward under described first benchmark sitting posture, substantially swing back in distance range, basic left/right offset angles runs one or more constitute the basic excursion of described first benchmark sitting posture；

The distance range that substantially leans forward under described second benchmark sitting posture, substantially swing back in distance range, basic left/right offset angles runs one or more constitute the basic excursion of described second benchmark sitting posture；

Wherein, the described basic variable quantity of sitting posture parameter, including one or more in following parameter:

Relative to the position under the first benchmark sitting posture, the distance value that substantially leans forward of face/chest, substantially swing back distance value, basic left/right deviation angle angle value；And/or

Relative to the position under the second benchmark sitting posture, the distance value that substantially leans forward of face/chest, substantially swing back distance value, basic left/right deviation angle angle value.

Below in conjunction with Fig. 2, the step of the basic excursion determining sitting posture in single-sensor situation is described further:

Use predetermined face/chest convergence variable quantity PA/OD, the length of line segment PA/OD represents predetermined face/chest convergence variable quantity respectively, face under the first/bis-benchmark sitting posture/chest reference range deducts this variable quantity PA/OD, obtaining the face/chest distance range that substantially leans forward relative to the first/bis-benchmark sitting posture, this scope is the face/chest minima relative to the distance of the sensor being positioned at primary importance；

Use predetermined face/chest layback variable quantity PB/OE, the length of line segment PB/OE represents predetermined face/chest layback variable quantity respectively, plus this variable quantity PB/OE in face under the first/bis-benchmark sitting posture/chest reference range, obtaining the face/chest distance range of substantially swinging back relative to the first/bis-benchmark sitting posture, this scope is the face/chest maximum relative to the distance of the sensor being positioned at primary importance；

Use predetermined facial left/right offset variation amount, in fig. 2, this variable quantity is the change angle NSM changing angle GSH and chest of face, wherein S represents the location point of sensor, plus this variable quantity in facial fiducial azimuth under the first/bis-benchmark sitting posture, obtain the face basic left/right offset angles runs relative to the first/bis-benchmark sitting posture, the change angle GSH of face is the left and right excursion relative to first direction 221, and the change angle NSM of chest is the left and right excursion relative to second direction 222；The change angle GSH of face and the change angle NSM of chest uses the beam width value of sonac to estimate to draw, such as, when chest is in basic excursion, ultrasonic sensor detects the distance less than face in a first direction on 221, then be judged to face and deflected away from the beam angle of sensor 210 to the left or to the right.

Copy the step of the basic excursion determining sitting posture in the single-sensor situation based on the first benchmark sitting posture, it may be determined that based on the basic excursion of sitting posture of the second benchmark sitting posture.

The change angle NSM of predetermined face/chest convergence variable quantity PA/OD, predetermined face/chest layback variable quantity PB/OE, predetermined facial left/right offset variation angle GSH and chest together constitutes the excursion of basic sitting posture.

Below in conjunction with Fig. 3, the step of the basic excursion determining sitting posture in multisensor situation is described further:

Use predetermined face/chest convergence variable quantity PA/OD, the length of line segment PA/OD represents predetermined face/chest convergence variable quantity respectively, face under the first/bis-benchmark sitting posture/chest reference range deducts this variable quantity PA/OD, obtain the face/chest distance range that substantially leans forward relative to the first/bis-benchmark sitting posture, this scope is the minima of the face/chest distance relative to the sensor S1/S2 being positioned at the first/tetra-position, S1 represents that sensor 310, S2 represents sensor 313 herein；

Use predetermined face/chest layback variable quantity PB/OE, the length of line segment PB/OE represents predetermined face/chest layback variable quantity respectively, plus this variable quantity PB/OE in face under the first/bis-benchmark sitting posture/chest reference range, obtain the face/chest distance range of substantially swinging back relative to the first/bis-benchmark sitting posture, this scope is the maximum of the face/chest distance relative to the sensor S1/S2 being positioned at the first/tetra-position, S1 represents that sensor 310, S2 represents sensor 313 herein；

Using predetermined facial left/right offset variation amount, in figure 3, this variable quantity is the change angle GS of face₁The change angle NS of H and chest₂M, wherein S₁Represent the location point of first sensor 310, S₂Represent the location point of the 4th sensor 313, plus this variable quantity in the facial fiducial azimuth under the first/bis-benchmark sitting posture, obtain the face basic left/right offset angles runs relative to the first/bis-benchmark sitting posture, the change angle GS of face₁H is the left and right excursion relative to first direction 321, the change angle NS of chest₂M is the left and right excursion relative to second direction 322；The change angle GS of face₁The change angle NS of H and chest₂M comprehensively uses the beam width value of sonac 310 to 312 to estimate to draw, such as, when ultrasonic sensor 310 in a first direction 321 detect less than facial dimension, and ultrasonic sensor 311 when detecting facial dimension on the direction parallel with first direction 321, then it is judged to face and has deflected away from the beam angle of sensor 210 to the left.

Three face sensor 310～312 used in Fig. 3 can improve the accuracy of identification of face angle skew, three breast sensors 313～315, the accuracy of identification of chest angle skew can be improved, these sensors with the use of, it is possible to identify that the left/right of chest and/or face tilts.

In the present embodiment, the sitting posture described in step S130 changes super elemental range identification step, specifically includes following at least one:

Judgement step based on the first benchmark sitting posture: obtain current sitting posture parameter, this sitting posture parameter is obtained compared with described first benchmark sitting posture parameter sitting posture Parameters variation amount, if this sitting posture Parameters variation amount exceeds the predetermined basic variable quantity of sitting posture parameter, then this sitting posture state is judged to this range state of hyper-base, otherwise, it is judged in elemental range by this sitting posture state state；

Judgement step based on the second benchmark sitting posture: obtain current sitting posture parameter, this sitting posture parameter is obtained compared with described second benchmark sitting posture parameter sitting posture Parameters variation amount, if this sitting posture Parameters variation amount exceeds the predetermined basic variable quantity of sitting posture parameter, then this sitting posture state is judged to this range state of hyper-base, otherwise, it is judged in elemental range by this sitting posture state state；

Judgement step (comprehensively realize read-write posture and sit up straight posture combine identification) based on the first and second benchmark sitting postures: obtain current sitting posture parameter, this sitting posture parameter is obtained compared with described the first/bis-benchmark sitting posture parameter sitting posture Parameters variation amount, if this sitting posture Parameters variation amount is beyond the predetermined basic variable quantity of sitting posture parameter based on the first/bis-benchmark sitting posture, then further this sitting posture parameter is obtained compared with described the second/mono-benchmark sitting posture parameter sitting posture Parameters variation amount, if this sitting posture Parameters variation amount is beyond the predetermined basic variable quantity of sitting posture parameter based on the second/mono-benchmark sitting posture, then this sitting posture state is judged to this range state of hyper-base, otherwise, it is judged in elemental range by this sitting posture state state；

Judgement step based on the first and second benchmark sitting postures, it is comprehensively realize read-write posture and sit up straight posture and combine the step of identification, its basic skills is: if simultaneously beyond the basic excursion sitting up straight posture and read-write posture, then this sitting posture state is judged to this range state of hyper-base, otherwise, it is judged in elemental range by this sitting posture state state.

Judgement based on the first benchmark sitting posture draws the basic excursion of the first benchmark sitting posture, judgement based on the second benchmark sitting posture draws the basic excursion of the second benchmark sitting posture, the basic excursion of the first benchmark sitting posture can spatially exist overlapping with the basic excursion of the second benchmark sitting posture, sitting posture in this overlay region, belongs in basic excursion.

The method that the present embodiment provides, also includes the forwarding step of cue, specifically includes following at least one operation；

Send light prompt signal；

Send vibration prompting signal.

The step of above-mentioned use vibration prompting, including:

The miniature shock device being placed on head or certain position of health is used to carry out sitting posture abnormal prompt；

Preferably, ear support the miniature shock device placed and carry out sitting posture abnormal prompt, including: use with wired earphone or carry out sitting posture abnormal prompt with the wireless headset miniature shock device that electrically connects of existence；

The method that the present embodiment provides, also includes forwarding step and/or the basic variable quantity receiving step of predetermined sitting posture parameter of Monitoring Data, wherein,

The forwarding step of described Monitoring Data specifically includes:

Benchmark sitting posture parameter；

The basic excursion parameter of sitting posture；

Sitting posture parameter；

Monitoring Data forwarding step, including following at least one operation:

The method that the present embodiment provides, also includes reducing power consumption monitoring step, specifically includes:

After identifying sitting posture vanishing state, monitor the persistent period of this state, when this persistent period more than sitting posture extinction time thresholding after, increase obtain sitting posture parameter interval, after determining that sitting posture is returned in elemental range, reduce the interval obtaining sitting posture parameter.

Embodiment two, a kind of sitting posture monitoring device citing

A kind of sitting posture monitoring device citing shown in Figure 4, that the embodiment of the present invention provides, including:

Benchmark sitting posture parameter acquiring unit 420, the basic excursion of sitting posture determines unit 430, sitting posture change this range perceiving unit of hyper-base 440, abnormal sitting posture recognition unit 450, sensor unit 410；Wherein,

Described benchmark sitting posture parameter acquiring unit 420, is used for obtaining the first benchmark sitting posture parameter and/or the second benchmark sitting posture parameter；First benchmark sitting posture parameter includes the sensor on ad-hoc location in particular directions to the range data of human face and/or chest, and the second benchmark sitting posture parameter includes the sensor on ad-hoc location in particular directions to the range data of human face and/or chest；Benchmark sitting posture parameter acquiring unit 420 uses the range information received from sensor unit 410 to obtain described range data, and described range data is sent to the basic excursion of sitting posture determines unit 430；

The basic excursion of described sitting posture determines unit 430, for the benchmark sitting posture parameter to obtain from benchmark sitting posture parameter acquiring unit 420 for reference, determine the basic excursion of sitting posture according to the predetermined basic variable quantity of sitting posture parameter prestored, specifically include use and determine following at least one parameter value:

Described sitting posture change this range perceiving unit of hyper-base 440, for identifying that whether sitting posture change is beyond elemental range, the recognition methods of its execution includes: obtain sitting posture parameter, this sitting posture parameter is obtained compared with described benchmark sitting posture parameter sitting posture Parameters variation amount, if this sitting posture Parameters variation amount exceeds the predetermined basic variable quantity of sitting posture parameter, then this sitting posture state is judged to this range state of hyper-base, otherwise, is judged in elemental range by this sitting posture state state；From the basic excursion of sitting posture, this unit determines that unit 430 obtains the basic excursion of sitting posture, obtain current sitting posture parameter from sensor unit 410, after completing the sitting posture super elemental range identification of change, recognition result is sent to abnormal sitting posture recognition unit 450；

Described abnormal sitting posture recognition unit 450, is used for performing following at least one identification and operates:

Described abnormal sitting posture recognition unit 450 changes this range perceiving unit of hyper-base 440 from sitting posture and obtains its recognition result, obtains current sitting posture parameter from sensor unit 410；

Described sensor unit 410, is used for obtaining range information and/or angle information, including supersonic sensing unit or photoelectric sensing unit, it is preferable that include supersonic sensing unit.

Sitting posture described in the present embodiment changes the super elemental range identification in short-term that takes place frequently, and wherein, the super elemental range in short-term that takes place frequently includes: swing or the continually left event shaking right rolling continually.

The device that the present embodiment provides, wherein, the function of described each unit can use respective module of software and hardware to realize respectively, it would however also be possible to employ at least between unit, the mode of shareware module and/or hardware module realizes.

The device that the present embodiment provides, also includes cue transmitting element 460, sends for following at least one signal:

Send light prompt signal；

Send vibration prompting signal；

This cue transmitting element obtains recognition result information or the recognition result triggering work by abnormal sitting posture recognition unit from abnormal sitting posture recognition unit.

The device that the present embodiment provides, also includes also including Monitoring Data transmitting element 470 and/or the basic variable quantity reception unit 480 of predetermined sitting posture parameter, wherein,

Described Monitoring Data transmitting element, is used for realizing following operation:

Obtain sitting posture Monitoring Data step, specifically include the following at least one data of acquisition:

Benchmark sitting posture parameter；

The basic excursion parameter of sitting posture；

Sitting posture parameter；

Monitoring Data forwarding step, specifically includes following at least one operation:

Wherein, described Monitoring Data transmitting element 470 obtains data from sitting posture change this range perceiving unit of hyper-base 440 and abnormal sitting posture recognition unit 450；

The basic variable quantity of described predetermined sitting posture parameter receives unit 480, is used for receiving the predetermined basic variable quantity of sitting posture parameter and determining that unit 430 transmits data to the basic excursion of sitting posture, including:

Wired or wave point, receives the predetermined basic variable quantity of sitting posture parameter at least one from mobile phone terminal, the Internet and removable memory.

Removable memory described in the present embodiment, including flash disk or portable hard drive.

The device that the present embodiment provides, also includes following at least one module:

Sensor height and/or angle adjustment module, for adjusting height and/or the angle of sensor；

Demarcate trigger module, for triggering the collection to benchmark sitting posture parameter under the first benchmark sitting posture and/or the second benchmark sitting posture, including triggering switch and lead-in wire thereof；

The length of described triggering switch leads is worth between 200 centimetres at 20 centimetres, when people to be monitored is in the first or second benchmark sitting posture state, by people to be monitored or other people press triggering switch, trigger monitoring device and obtain benchmark sitting posture parameter.

Sitting posture monitoring method and device that the embodiment of the present invention provides are illustrated, and overcome the False Rate height of existing sitting posture monitoring technology existence, can not unify to realize sitting posture and read-write posture monitoring, not can recognise that puppet sitting posture, cannot be used at least one that sitting posture is assessed and lacked in these shortcomings of conservation measures afterwards.

Sitting posture monitoring method and device that the embodiment of the present invention provides are illustrated, and in accordance with the natural movement law in sitting and read-write posture, can comprehensively realize the identification of sitting and read-write posture, accuracy is high, can be not only used for the instantly prompting of sitting posture, it is also possible to the assessment after sitting posture is monitored, there is practicality.

Sitting posture monitoring method and device that the embodiment of the present invention provides can use electronic technology, photoelectric technology, ultrasonic technique to realize in whole or in part；The sitting posture monitoring method that the embodiment of the present invention provides, it is possible to realized by software instruction and/or hardware circuit in whole or in part；The sitting posture that the embodiment of the present invention provides monitors module or the unit that device comprises, it is possible to adopt electronic devices and components, photoelectric device, ultrasonic device to realize.

The above, the simply preferably embodiment of the present invention, not it is used for limiting protection scope of the present invention.

Claims

1. a sitting posture monitoring method, comprises the steps:

2. the method for claim 1, wherein

And/or,

Wherein,

Described sensor is ultrasonic sensor or is photoelectric sensor；

Preferably, described sensor is ultrasonic sensor.

3. the method for claim 1, wherein

4. the method for claim 1, also includes the forwarding step of cue, specifically includes following at least one operation；

Send light prompt signal；

Send vibration prompting signal.

5. the method for claim 1, also includes forwarding step and/or the basic variable quantity receiving step of predetermined sitting posture parameter of Monitoring Data, wherein,

The forwarding step of described Monitoring Data specifically includes:

Benchmark sitting posture parameter；

The basic excursion parameter of sitting posture；

Sitting posture parameter；

Monitoring Data forwarding step, including following at least one operation:

6. the method for claim 1, also includes reducing power consumption monitoring step, specifically includes:

7. a sitting posture monitoring device, including:

8. device according to claim 7, also includes cue transmitting element, sends for following at least one signal:

Send light prompt signal；

Send vibration prompting signal.

9. device according to claim 7, also includes also including Monitoring Data transmitting element and/or the basic variable quantity reception unit of predetermined sitting posture parameter, wherein,

Benchmark sitting posture parameter；

The basic excursion parameter of sitting posture；

Sitting posture parameter；

Wherein, described Monitoring Data transmitting element changes this range perceiving unit of hyper-base and abnormal sitting posture recognition unit acquisition data from sitting posture；

The basic variable quantity of described predetermined sitting posture parameter receives unit, is used for receiving the predetermined basic variable quantity of sitting posture parameter and determining that unit transmits data to the basic excursion of sitting posture, including:

10. device according to claim 7, also includes following at least one module:

Demarcate trigger module, for triggering the collection to benchmark sitting posture parameter under the first benchmark sitting posture and/or the second benchmark sitting posture, including triggering switch and lead-in wire thereof.