CN108606799A - A kind of sitting posture suitable for computer user measures and alarm set - Google Patents

A kind of sitting posture suitable for computer user measures and alarm set Download PDF

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Publication number
CN108606799A
CN108606799A CN201810448121.0A CN201810448121A CN108606799A CN 108606799 A CN108606799 A CN 108606799A CN 201810448121 A CN201810448121 A CN 201810448121A CN 108606799 A CN108606799 A CN 108606799A
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human body
posture
alarm
threshold value
sitting posture
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CN201810448121.0A
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曹力
徐森
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Nanjing University of Aeronautics and Astronautics
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Nanjing University of Aeronautics and Astronautics
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Priority to CN201810448121.0A priority Critical patent/CN108606799A/en
Publication of CN108606799A publication Critical patent/CN108606799A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/103Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A61B5/1121Determining geometric values, e.g. centre of rotation or angular range of movement
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/103Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A61B5/1116Determining posture transitions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813Specially adapted to be attached to a specific body part
    • A61B5/6823Trunk, e.g., chest, back, abdomen, hip
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/683Means for maintaining contact with the body
    • A61B5/6832Means for maintaining contact with the body using adhesives
    • A61B5/6833Adhesive patches
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/74Details of notification to user or communication with user or patient ; user input means
    • A61B5/742Details of notification to user or communication with user or patient ; user input means using visual displays
    • A61B5/7445Display arrangements, e.g. multiple display units
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/74Details of notification to user or communication with user or patient ; user input means
    • A61B5/746Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms

Abstract

The invention discloses a kind of sitting posture measurement suitable for computer user and alarm sets, including posture detecting unit, parameter setting and Alarm Unit, and link the communication module of the two units.The Core Feature of posture detecting unit is to acquire human body attitude data by inertial sensor group, and microprocessor Real-time solution human body attitude information judges the reasonability of human body sitting posture according to the posture alarm threshold of setting;Parameter setting and the major function of Alarm Unit are the settings that the analysis result of reception is shown to computer screen, and completes the running parameters such as posture alarm threshold, alarm delay time, alarm mode, sitting reminder time;Communication module realizes the data transmission between two units.Posture detecting unit is fixed on when in use at human body Dazhui acupoint, and parameter setting is mainly mounted to the application software of computer terminal with Alarm Unit, completes the function of display alarm and parameter setting module.

Description

A kind of sitting posture suitable for computer user measures and alarm set
Technical field
The present invention relates to a kind of dresses carrying out attitude parameter measurement and unreasonable sitting posture prompting to sitting crowd before computer It sets, belongs to human body and rectify appearance field.
Background technology
Medicine confirms that sedentary damages spine healthy, eventually lead to waist in addition unreasonable sitting posture, is easy psoas muscles tiredness The illnesss such as disc herniation, lumbar spinal stenosis.Therefore, it plays for the city white collar and online that work in front of a computer for a long time Person keeps the rest of loosening of good upper machine sitting posture and appropriate intervals just to seem extremely important.
The mode of human body attitude detection usually has:1, the various visual angles synthesis in fixed visual field, it is usually two or more Camera lens absorb human body image from different perspectives, then spatially relationship reconstructs, and obtain human body attitude information;2, ultrasound is utilized The distance measuring methods such as wave, infrared measure certain point on body and the position away from specified measurement point, estimate posture;3, it is passed using posture Sensor directly measures human body attitude delta data, calculates and obtains posture information.
At home in patent 94226378.2, inventor, which discloses, a kind of utilizing transversal switch, the devices group such as music module At electronics rectify appearance device, realize the prompting transfinited to user's front-rear direction sitting posture, but posture information can not be obtained in real time. In recent years, as the development of micro-sensor technologies and intelligent wearable device, human body attitude and motion detection technique are also applied successfully In intelligent wearable device field.In patent 200910028156.X, inventor disclose it is a kind of utilize acceleration transducer Realize human body attitude detection miniature multi-function smart machine, may be implemented opposing stationary, walking or by bus etc. a variety of situations Under attitude detection.Wearable device manufacturer of U.S. Lumo Bodytech use similar techniques, are proposed intelligent posture correction equipment, borrow It has helped principle of human engineering that can set correct sitting walking postures, and has been corrected by slight vibration prompting.The country also has similar Product.Such product mainly coordinates the application of the mobile terminals such as mobile phone, to the continuous crowd for using computer for a long time, especially When attention high concentration, specific aim is not strong, and the effect is unsatisfactory.
Invention content
Goal of the invention:In order to overcome the deficiencies in the prior art, the present invention to provide a kind of suitable for computer use The sitting posture of person measures and alarm set, acquires attitude data using mini inertial sensor group, coordinates microprocessor analysis human body Sitting posture;User's sitting posture is unreasonable or sitting is overtime when determining, using suspending the modes such as display on the computer screen more User is intuitively reminded, realizes that incorrect sitting-pose and sitting time-out are reminded, helps computer user culture good sitting position and work Work and rest custom.
Technical solution:To achieve the above object, the technical solution adopted by the present invention is:
A kind of sitting posture suitable for computer user measures and alarm set, including posture detecting unit and parameter setting With Alarm Unit;The posture detecting unit is mounted on human body end, acquires human body attitude data in real time by inertial sensor, leads to Microprocessor solution human body attitude information is crossed by the way that human body attitude information to be compared with preset alarm threshold to sentence Whether disconnected human body sitting posture is reasonable;If unreasonable, alerted by parameter setting and Alarm Unit.
Preferably, the posture detecting unit is determined according to human body upper body posture when correct attitude measurement reference point, people Reach forward threshold value and human body upper body of body rolls threshold value and is fitted an elliptical cone, which is human body sitting posture The boundary of zone of reasonableness, elliptical cone is alarm threshold;If detecting, inertial sensor in human body sitting posture zone of reasonableness, is recognized It is reasonable for human body sitting posture.
A kind of specific confirmation method of the posture alarm threshold is as follows:
(1) attitude measurement point position and the correct upper body posture using computer are determined:Inertial sensor is bonded human body Installation (is pacified using the fitting skin installation of the methods of sticker, clamping or fitting with the more docile clothes of skin at the Dazhui acupoint of back Dress), when human body upper body posture is correct, determine that inertial sensor position at this time is attitude measurement reference point;
(2) threshold value that leans forward is determined:When human body upper body posture is correct, the human body upper body that leans forward is to maximum reasonable range, inertia The inclined maximum angle in side is the threshold value that leans forward forward in sensor opposed vertical direction;
(3) it determines and rolls threshold value:When human body upper body posture is correct, human body upper body is rolled to maximum reasonable range, inertia Sensor opposed vertical direction is to roll threshold value to the inclined maximum angle in side;
(4) posture alarm threshold is determined:Using vertical line where attitude measurement reference point as axis, with the marrow of human body Waist disc Core center is vertex, gathers lean forward threshold value and inclination threshold value fitted ellipse centrum, which is human body sitting posture The boundary of zone of reasonableness, elliptical cone is alarm threshold;Before the elliptical cone long axis direction is lateral tilting direction, short-axis direction is Hypsokinesis direction.
The specific confirmation method of another kind of the posture alarm threshold is as follows:
(1) attitude measurement point position and the correct upper body posture using computer are determined:Inertial sensor is bonded human body It is installed at the Dazhui acupoint of back, when human body upper body posture is correct, determines that inertial sensor position at this time refers to for attitude measurement Point;
(2) threshold value that leans forward is determined:Using the nucleus pulposus center of human body Waist disc as vertex, inertial sensor is relative to vertical direction Oblique 15~25 ° are rolled forward, and the inclination angle is as the threshold value that leans forward;
(3) it determines and rolls threshold value:Using the nucleus pulposus center of human body Waist disc as vertex, inertial sensor is relative to vertical direction Oblique 10~15 ° are rolled forward, and the inclination angle is as inclination threshold value;
(4) posture alarm threshold is determined:Using vertical line where attitude measurement reference point as axis, with the marrow of human body Waist disc Core center is vertex, gathers lean forward threshold value and inclination threshold value fitted ellipse centrum, which is human body sitting posture The boundary of zone of reasonableness, elliptical cone is alarm threshold;Before the elliptical cone long axis direction is lateral tilting direction, short-axis direction is Hypsokinesis direction.
Another specific confirmation method of the posture alarm threshold is as follows:
(1) attitude measurement point position and the correct upper body posture using computer are determined:Inertial sensor is bonded human body It is installed at the Dazhui acupoint of back, when human body upper body posture is correct, determines that inertial sensor position at this time refers to for attitude measurement Point;
(2) threshold value that leans forward is determined:When human body upper body posture is correct, adjustment height of table top is flushed to hand with keyboard;Duplex Be bent upwards to be vertically supported on desktop, both hands clench fist support chin position when, inertial sensor opposed vertical direction is forward The inclined angle in side is the threshold value that leans forward;
(3) it determines and rolls threshold value:When human body upper body posture is correct, adjustment height of table top is flushed to hand with keyboard;Single elbow Be bent upwards to be vertically supported on desktop, one hand clench fist support chin position when, inertial sensor opposed vertical direction is to side The inclined angle in face is to roll threshold value;
(4) posture alarm threshold is determined:Using vertical line where attitude measurement reference point as axis, with the marrow of human body Waist disc Core center is vertex, gathers lean forward threshold value and inclination threshold value fitted ellipse centrum, which is human body sitting posture The boundary of zone of reasonableness, elliptical cone is alarm threshold;Before the elliptical cone long axis direction is lateral tilting direction, short-axis direction is Hypsokinesis direction.
For the confirmation side of above-mentioned posture alarm threshold, we may be used image technique and carry out auxiliary confirmation, specially Further include image acquisition units, image acquisition units, which clench fist to human body upper body posture, both hands, supports lower jaw, one hand to clench fist under support The image of jaw is acquired, and to the no correct carry out auxiliary judgment of human action.
Preferably, the parameter setting and alarm are voice guard or the screen warning window of suspended window form.
Preferably, the posture detecting unit is connect by bluetooth with USB interface of computer.
Advantageous effect:Sitting posture provided by the invention suitable for computer user measures and alarm set, with existing skill Art is compared, and has following advantage:1, the posture zone of reasonableness and alarm threshold design method provided, may be implemented space omnidirectional Continuous judgement, coordinate determining attitude measurement point position, the validity and accuracy of alarm greatly improved;2, using inertia The hardware combinations of sensor and microprocessor, attitude algorithm and analysis can avoid existing in posture detecting unit complete independently The defect of technology heavy dependence mobile terminal computing capability, decreases the communications burden of Unit two, improves what device used Flexibility;3, the display and alarm that suspended window form is realized at computer display end are more in line with computer user custom.
Description of the drawings
Fig. 1 is the principle of the present invention block diagram;
Fig. 2 is the structure diagram of the present invention.
Specific implementation mode
The present invention is further described below in conjunction with the accompanying drawings.
It is as shown in Figure 1 and Figure 2 a kind of sitting posture measurement suitable for computer user and alarm set, including posture inspection The communication module of survey unit, parameter setting and Alarm Unit and the two units.The Core Feature of posture detecting unit is logical Inertial sensor group acquisition human body attitude data are crossed, microprocessor Real-time solution human body attitude information is accused according to the posture of setting The reasonability of alert threshold decision human body sitting posture;Parameter setting and the major function of Alarm Unit are to complete posture alarm threshold, accuse The setting of the running parameters such as alert delay time, alarm mode, sitting reminder time, and the analysis result of reception is shown to calculating Machine screen;Communication module realizes the data transmission between two units.Posture detecting unit is fixed on human body Dazhui acupoint when in use Place, parameter setting and Alarm Unit are mainly mounted to the application software of computer terminal, complete display alarm and parameter setting Function.Meanwhile in order to which posture alarm threshold is reasonably arranged, we give determining posture and accuse herein in connection with principle of human engineering The method of alert threshold value, realizes the continuous detection of space omnidirectional.
In this case, the posture detecting unit is mounted on as independent hardware system at human body back Dazhui acupoint, is realized Human body attitude data it is real-time acquisition, the resolving of posture and be compared with preset alarm threshold judgement etc. functions. The alarm and parameter set unit are arranged in computer terminal, are mounted in the application program of computer terminal, major function packet It includes:1, information will be received and be shown to computer screen in the form of suspended window, and can be according to posture analysis as a result, completing corresponding Alarm function;2, the running parameters such as setting posture alarm threshold, alarm delay time, alarm mode, sitting reminder time;3, root According to needs, coordinate state detection unit, completes the initialization of posture alarm threshold.
The posture detecting unit hardcore includes a six axis inertia measurement sensors and microprocessor, six axis inertia Measurement sensor is for acquiring human body attitude data;Master Control Center of the microprocessor as this unit for attitude algorithm and divides Analysis judgement, the logic control etc. of this unit;Bluetooth I realizes the short-distance wireless communication with computer, completes and computer terminal Data interaction.Parameter setting works in computer terminal with Alarm Unit, includes and the bluetooth II of bluetooth I paired communications, a peace Loaded on the suspended window in the application software and display on computer, shown for realizing posture result, bad posture alerts, long Sit the functions such as the parameter setting of prompting and the present apparatus.In view of wearable property, the component in posture detecting unit is all made of low Power consuming devices.
This case additionally provides a kind of based on principle of human engineering, the method for determining posture alarm threshold.First, posture is determined Witness mark position and the correct upper body posture for using computer:Inertial sensor is jointly mounted to human body back Dazhui acupoint Place, the inertial sensor position when human body sitting posture is correct is attitude measurement reference point, and the parameter of posture alarm threshold will be with this It is obtained on the basis of reference point.It is using the correct human body sitting posture of computer:Upper body is squared one's shoulders using waist as axle center so that neck is protected It holds uprightly, head is supported, and keeps chest with a distance from desk 15-20cm, two shoulders are naturally sagging, and last arm is naturally close to body Body, elbow are bent to 90 °, and forearm is placed on the table, and hand is flushed with keyboard.Secondly, respectively determine forward lean, inclination conjunction Manage range.Based on correct human body sitting posture above-mentioned, the zone of reasonableness of forward lean is as follows:Duplex protracts naturally, is positioned over front Desktop, both hands clench fist support at lower chin;The zone of reasonableness that body rolls is as follows:Single elbow protracts naturally, is positioned over front desktop, small Arm vertical table surface is held fist and is held in the palm naturally in cheek.Again, in measurement point horizontal plane, inclination measurement number is leaned forward and controls with aforementioned Based on, it is fitted an elliptical cone, exceeds the elliptical cone range, you can be considered unreasonable sitting posture, need to alert.
The above is only a preferred embodiment of the present invention, it should be pointed out that:For the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered It is considered as protection scope of the present invention.

Claims (8)

1. a kind of sitting posture suitable for computer user measures and alarm set, it is characterised in that:Including posture detecting unit With parameter setting and Alarm Unit;The posture detecting unit is mounted on human body end, and human body is acquired in real time by inertial sensor Attitude data solves human body attitude information, by by human body attitude information and preset alarm threshold by microprocessor It is compared, judges whether human body sitting posture is reasonable;If unreasonable, alerted by parameter setting and Alarm Unit.
2. the sitting posture according to claim 1 suitable for computer user measures and alarm set, it is characterised in that:Institute The attitude measurement reference point, human body that posture detecting unit determines according to human body upper body posture when correct is stated to reach forward threshold value and people Body upper body rolls threshold value and is fitted an elliptical cone, which is human body sitting posture zone of reasonableness, elliptical cone Boundary be alarm threshold;If detecting inertial sensor in human body sitting posture zone of reasonableness, then it is assumed that human body sitting posture is reasonable.
3. the sitting posture according to claim 1 suitable for computer user measures and alarm set, it is characterised in that:Institute Posture alarm threshold is stated by the following method to confirm:
(1) attitude measurement point position and the correct upper body posture using computer are determined:Inertial sensor is bonded human body back It is installed at Dazhui acupoint, when human body upper body posture is correct, determines that inertial sensor position at this time is attitude measurement reference point;
(2) threshold value that leans forward is determined:When human body upper body posture is correct, the human body upper body that leans forward is to maximum reasonable range, inertia sensing The inclined maximum angle in side is the threshold value that leans forward forward in device opposed vertical direction;
(3) it determines and rolls threshold value:When human body upper body posture is correct, human body upper body is rolled to maximum reasonable range, inertia sensing Device opposed vertical direction is to roll threshold value to the inclined maximum angle in side;
(4) posture alarm threshold is determined:Using vertical line where attitude measurement reference point as axis, in the nucleus pulposus of human body Waist disc The heart is vertex, gathers lean forward threshold value and inclination threshold value fitted ellipse centrum, which is that human body sitting posture is reasonable The boundary of range, elliptical cone is alarm threshold;The elliptical cone long axis direction is lateral tilting direction, short-axis direction is anteversion and retroversion Direction.
4. the sitting posture according to claim 1 suitable for computer user measures and alarm set, it is characterised in that:Institute Posture alarm threshold is stated by the following method to confirm:
(1) attitude measurement point position and the correct upper body posture using computer are determined:Inertial sensor is bonded human body back It is installed at Dazhui acupoint, when human body upper body posture is correct, determines that inertial sensor position at this time is attitude measurement reference point;
(2) threshold value that leans forward is determined:Using the nucleus pulposus center of human body Waist disc as vertex, inertial sensor relative to vertical direction forward Oblique 15~25 ° are rolled, the inclination angle is as the threshold value that leans forward;
(3) it determines and rolls threshold value:Using the nucleus pulposus center of human body Waist disc as vertex, inertial sensor relative to vertical direction forward Oblique 10~15 ° are rolled, the inclination angle is as inclination threshold value;
(4) posture alarm threshold is determined:Using vertical line where attitude measurement reference point as axis, in the nucleus pulposus of human body Waist disc The heart is vertex, gathers lean forward threshold value and inclination threshold value fitted ellipse centrum, which is that human body sitting posture is reasonable The boundary of range, elliptical cone is alarm threshold;The elliptical cone long axis direction is lateral tilting direction, short-axis direction is anteversion and retroversion Direction.
5. the sitting posture according to claim 1 suitable for computer user measures and alarm set, it is characterised in that:Institute Posture alarm threshold is stated by the following method to confirm:
(1) attitude measurement point position and the correct upper body posture using computer are determined:Inertial sensor is bonded human body back It is installed at Dazhui acupoint, when human body upper body posture is correct, determines that inertial sensor position at this time is attitude measurement reference point;
(2) threshold value that leans forward is determined:When human body upper body posture is correct, adjustment height of table top is flushed to hand with keyboard;Duplex is upward Bending to be vertically supported on desktop, both hands clench fist support chin position when, inertial sensor opposed vertical direction rolls forward Oblique angle is the threshold value that leans forward;
(3) it determines and rolls threshold value:When human body upper body posture is correct, adjustment height of table top is flushed to hand with keyboard;Single elbow is upward Bending to be vertically supported on desktop, one hand clench fist support chin position when, inertial sensor opposed vertical direction is inclined to side Oblique angle is to roll threshold value;
(4) posture alarm threshold is determined:Using vertical line where attitude measurement reference point as axis, in the nucleus pulposus of human body Waist disc The heart is vertex, gathers lean forward threshold value and inclination threshold value fitted ellipse centrum, which is that human body sitting posture is reasonable The boundary of range, elliptical cone is alarm threshold;The elliptical cone long axis direction is lateral tilting direction, short-axis direction is anteversion and retroversion Direction.
6. the sitting posture according to claim 5 suitable for computer user measures and alarm set, it is characterised in that:Also Including image acquisition units, image acquisition units clench fist support lower jaw to clench fist support lower jaw, one hand of human body upper body posture, both hands Image be acquired, and to the no correct carry out auxiliary judgment of human action.
7. the sitting posture according to claim 1 suitable for computer user measures and alarm set, it is characterised in that:Institute It is voice guard or the screen warning window of suspended window form that parameter setting, which is stated, with Alarm Unit.
8. the sitting posture according to claim 1 suitable for computer user measures and alarm set, it is characterised in that:Institute Posture detecting unit is stated to connect with USB interface of computer by bluetooth.
CN201810448121.0A 2018-05-11 2018-05-11 A kind of sitting posture suitable for computer user measures and alarm set Pending CN108606799A (en)

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CN110956787A (en) * 2019-12-13 2020-04-03 深圳智游者科技有限公司 Sitting posture monitoring method, device and equipment
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CN109118730A (en) * 2018-10-11 2019-01-01 曹景荣 A kind of method, apparatus, intelligent desk lamp and the storage medium of sitting posture adjustment prompt
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CN110956787B (en) * 2019-12-13 2021-11-26 深圳智游者科技有限公司 Sitting posture monitoring method, device and equipment
CN113053074A (en) * 2019-12-27 2021-06-29 苏州坦特拉智能科技有限公司 Sitting posture monitoring method
CN113040753A (en) * 2019-12-27 2021-06-29 苏州坦特拉智能科技有限公司 Sitting posture monitoring system
CN113096367A (en) * 2020-07-01 2021-07-09 苏州正田美佳电子科技有限公司 Sitting posture reminding method
CN111985371A (en) * 2020-08-10 2020-11-24 珠海格力电器股份有限公司 Sitting posture detection method, sitting posture detection equipment and desk

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Application publication date: 20181002