WO2008134922A1 - Tabouret signalant une mauvaise posture à son occupant - Google Patents

Tabouret signalant une mauvaise posture à son occupant Download PDF

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Publication number
WO2008134922A1
WO2008134922A1 PCT/CN2008/000778 CN2008000778W WO2008134922A1 WO 2008134922 A1 WO2008134922 A1 WO 2008134922A1 CN 2008000778 W CN2008000778 W CN 2008000778W WO 2008134922 A1 WO2008134922 A1 WO 2008134922A1
Authority
WO
WIPO (PCT)
Prior art keywords
seat plate
bracket
contact
seat
pressure
Prior art date
Application number
PCT/CN2008/000778
Other languages
English (en)
Chinese (zh)
Inventor
Zhengcai Li
Original Assignee
Zhengcai Li
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhengcai Li filed Critical Zhengcai Li
Publication of WO2008134922A1 publication Critical patent/WO2008134922A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C9/00—Stools for specified purposes
    • A47C9/002—Stools for specified purposes with exercising means or having special therapeutic or ergonomic effects
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
    • A47C31/12—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons
    • A47C31/126—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons for chairs

Definitions

  • This invention relates to a stool, and more particularly to a stool suitable for a student to be used to alert a sitting posture when sitting is not correct.
  • Chinese patent specification CN1210711 discloses a myopia preventer, which is provided with a signal receiver on the table with a guide cover that can block other signals, for receiving on the student's head or The signal from the signal transmitter on the body, when the student sitting on the stool (hereinafter referred to as the seater) excessively bows and causes the signal receiver to receive no signal, it will alarm.
  • This kind of myopia preventor will put a part of the device on the head.
  • the seater feels uncomfortable and limits the scope of the head too much. If you want to look down on the falling pen or leave the seat for a short time, you will be alerted. All of the above products limit the freedom of movement of certain parts of the body of the sitting person, and require the students to maintain a straight posture for a long time, which is very disadvantageous for the physical development of the adolescents, especially the neck muscles.
  • the technical problem to be solved by the present invention is to provide a free movement that does not restrict any part of the body of the person, when the seated person is in a posture in which the upper body is excessively leaning forward or sitting too close to the front edge of the stool (hereinafter referred to as sitting posture is not correct) or continuously maintained.
  • sitting posture is not correct
  • a stool that can send a reminder signal after a certain period of time.
  • the technical solution of the present invention is: the stool is composed of a seat plate, a bracket, a pressure measuring and controlling device, and a reminding device, and a movable connection is adopted between the seat plate and the bracket for supporting the seat plate, and the pressure measuring and controlling device can be qualitatively Or quantitatively measure the pressure position information of the pressure position and size of the seat plate on the seat plate in real time, and determine the critical pressure information of the seat plate on the seat plate that reflects the correct sitting posture by using the structure of the stool itself or the preset manner.
  • the pressure information measured in real time or the comprehensive pressure information in the continuous time period is compared with the critical pressure information, and according to the comparison result, whether or not the reminding device is actuated to issue a reminder signal, which may be a voice prompt, a music, a buzzer, etc.
  • the sound signal can also be a vibration signal, or a light signal.
  • the pressure of the seat on the seat plate and the front and rear position and upper body of the seated person sitting on the stool are visible. It is related to the degree of forward tilt.
  • This kind of stool does not limit the activities of the rider. It is not exposed on the table and stool that obstructs the freedom of movement and affects the appearance. It can be allowed to pick up items or read some small characters on the book, such as certain annotations. Bending down and bowing, just asking the rider not to lie on the table for a long time or to lean forward too much; Remind that sitting posture is more conducive to cultivating adolescents' consciousness than being forced to maintain a certain sitting position, and is more likely to be accepted by teenagers.
  • Figure 1 is a schematic view of a first embodiment of the present invention.
  • Fig. 2 is an enlarged view of the vibrator 4 shown in Fig. 1.
  • Figure 3 is a schematic illustration of a second embodiment of the present invention.
  • Figure 4 is a schematic view of a third embodiment of the present invention.
  • Figure 1 shows a first embodiment of the present invention
  • the stool that can be used to remind the sitting posture includes a seat plate 1, a bracket 2, a pressure measuring device, a reminding device 4, for the sake of simplicity, in all the drawings and the abstract drawing
  • the section lines of each component are uniformly drawn into metal section lines.
  • the bracket 2 is a shelf composed of four bench legs; the pressure measuring and controlling device is composed of four pressure measuring devices 3, a circuit composed of a processor, a memory, a battery, a switch, etc., wherein the circuit is not shown in the figure, the switch and the battery case Appropriate position on the seat plate 1 for easy operation but not inconvenience, the rest of the circuit is placed inside the seat plate 1, and the four load cells 3 are respectively located between the four contact faces of the seat plate 1 and the bracket 2, each test
  • the pressure device 3 is equivalent to an electronic scale, and can measure the pressure of the person sitting on the stool or the object placed on the stool in real time.
  • the circuit uses the pressure measured by the four load cells 3 as an input signal, and the output signal is used for the output signal.
  • the reminding device 4 is composed of a vibrating block 5, a cam mechanism composed of the cam 7 and the follower 8, and a compression spring 6, and the reminding device 4 is located on the seat plate 1 and is pressed by the thigh of the seated person.
  • the cam 7 is mounted on the seat plate 1 to be rotatable about a fixed center line
  • the compression spring 6 is supported by the follower 8, and the vibrating block 5 having a round cup shape is placed in the groove.
  • the sum of the elastic coefficients is less than the pressure
  • the elastic modulus of the contraction spring 6 is fixed to both the seat plate 1 and the vibration block 5 at both ends of the tension spring 9, and is slightly stretched to function to reset the vibration block 5.
  • the follower 8 performs a complex linear motion in the direction of the surface of the vertical seat plate 1, such as when the vibration block 5 is pressed by the seater's leg and cannot move sufficiently upward, the follower 8 forces the compression spring 6 to be compressed, and the vibration of the vibration block 5 can also be felt in the thigh of the seat.
  • the ratio of the sum of the pressures measured by the two pressure measuring devices 3 on the hind legs of the stool to the sum of the pressures of the two pressure measuring devices 3 on the front legs of the stool is said to be the pressure ratio at that moment.
  • a critical pressure ratio is selected.
  • the difference between the pressure ratio at a certain moment and the critical pressure ratio is called the net pressure ratio at that moment. If the net pressure ratio at a certain moment is less than 0, the seated posture is assumed. Not correct, otherwise, the seater is sitting correctly.
  • the parameters t, m, and n are set in advance, generally taking nm.
  • the processor calculates the net pressure ratio every time t, and sends a reminder signal when one of the following two conditions is satisfied, that is, the cam 7 Rotating at a certain speed for several weeks, through the upper and lower movement of the follower 8 and the action of the compression spring 6, the vibrating block 5 vibrates, reminding the occupant to move the stool forward and sit up straight, one, from the circuit or After the last reminder that the sum of the n net pressure ratios is not less than 0, and after the time mt, the net pressure ratio is added to each of the previous net pressure ratios until the sum is less than 0 and is issued.
  • Reminder signal Second, calculate the sum of the consecutive n net pressure ratios after each reminder, if less than 0, remind again.
  • the pressure ratio at a certain moment accurately reflects the position of the seat plate 1 at the time of the seater's pressure.
  • the critical pressure ratio should be larger.
  • This circuit is relatively simple, the required memory
  • the capacity is not large, the pressure ratio is basically irrelevant to the weight of the person sitting.
  • the vibration reminder is very concealed, does not affect others and aggravates the psychological pressure of the rider. It can be used by students in any occasion, sitting at the rear edge of the seat plate 1 Increasing the pressure ratio will prompt the students to move the stool forward. This not only makes it inconvenient and unnecessary for the upper body to lean forward too much, but also achieves the purpose of developing a good sitting habit, and avoids leaning the backrest of the stool against the back table to influence others to learn.
  • the pressure measuring and controlling device is composed of a sleeve 10, a rotating shaft 11, a compression spring 14, a circuit composed of a processor, a memory, a battery, a switch, a contact 12, a contact 13, and the like, reminding
  • the device is a buzzer, and the sleeve 10 is fixed on the bracket 2, substantially at an intermediate position, and the rotating shaft 11 matched with the sleeve 10 is integrally connected with the seat plate 1 (the sleeve 10 can also be connected to the seat plate, The rotating shaft 11 is connected to the bracket.
  • the front and rear sides of the seat plate 1 or the bracket 2 are based on the center line of the rotating shaft 11, and the contact 12 on the front lower surface of the seat plate 1 and the front side of the bracket 2 are on the front side.
  • the contact of the contact 13 on the surface is The necessary conditions for the whole circuit to be turned on, wherein the rest of the circuit and the buzzer are not shown in the figure, and the switch, the battery case, and the buzzer are disposed on the seat plate 1 or the bracket 2 for convenient operation but not in a proper position, by the processing
  • the memory integrated circuit board is placed inside the seat plate 1 or the bracket 2.
  • the seat plate 1 and the rear side of the bracket 2 are fitted to each other, and the upper surface of the seat plate 1 is in a horizontal position, and a small opening is formed between the front lower surface of the seat plate 1 and the front upper surface of the bracket 2.
  • a predetermined amount of preload is placed in the middle of the front edge between the seat plate 1 and the bracket 2 but is not pressed to
  • the compression spring 14 in the extreme position may also be provided with a plurality of compression springs having a certain preload amount, generally arranged in a line parallel to the rotation shaft 11); the sleeve 10 is fixed at the position on the middle leading edge side of the bracket 2, so that the seat The center of gravity of the board 1 is on its rear side.
  • the pressure on the front surface of the front side of the seat plate 1 is correspondingly increased or the action point is moved forward.
  • the seat plate 1 can be rotated relative to the bracket 2, and the contact 12 is in contact with the contact 13
  • the circuit is turned on.
  • the buzzer beeps to remind the occupant to pay attention to the sitting posture.
  • the reminder signal is issued, if the original setting time or shorter is set
  • the circuit remains in the ON state for a certain period of time, indicating that the seater has not corrected the sitting posture during this period, and continues to beep to remind the rider to pay attention to the sitting posture.
  • the pressure measuring and controlling device of the embodiment can qualitatively measure the pressure information of the seat on the seat plate 1. When the circuit is turned on, the sitting posture is not correct. Otherwise, the sitting posture is correct, and the circuit is simpler than the first embodiment.
  • FIG 4 shows a third embodiment.
  • the stool that can be used to remind the sitting posture also includes a seat plate 1, a bracket 2, a pressure measuring device, and a reminding device.
  • the pressure measuring and controlling device is composed of a sleeve 10, a rotating shaft 11, and a compression spring 14, and the structural features of the portion are the same as those of the second embodiment, which is only reduced compared with the pressure measuring and controlling device of the second embodiment.
  • the circuit portion is composed of a vibration block 5, a compression spring 6, and a spring seat 15.
  • the seat plate 1 has a stepped through hole at a suitable position pressed by the seated thigh of the seat, and a corresponding position in the bracket 2
  • the groove and the axial section of the spring seat 15 are in a "convex" shape, and are placed in the groove on the bracket 2, and the spring seat 15 and the bracket 2 can also be integrally formed, and the compression spring 6 is placed on the step of the spring seat 15.
  • the vibrating block 5 has a round cup shape, is placed on the through hole step of the seat plate 1, and covers the compression spring 6, the top of which is flush with the surface of the seat plate 1, and the compression spring 6 is in a free state, and the upper support surface thereof Just in contact with the vibration block 5.
  • the pressure on the front surface of the front side of the seat plate 1 is correspondingly increased or the action point is moved forward.
  • the seat plate 1 is rotated relative to the bracket 2, and the compression spring 6 is compressed, the seated thigh
  • the feeling of pressure from the vibrating block 5 jacked up by the compression spring 6 can be felt, and the seated person is reminded to pay attention to the sitting posture.
  • the seat plate 1 is rotated backward (counterclock). The sense of oppression naturally disappears.
  • the stool of the embodiment has a simple structure, and the reminder signal can be sent in real time when the sitting posture is not correct, and the more the seater sits forward or the upper body leans forward, the stronger the reminder signal is.
  • the reminder devices can be interchanged, and voice prompts, music, flashing lights, and the like can also be adopted.
  • the relative rotation of the rotating shaft 11 and the sleeve 10 is not only related to the sitting posture of the seater, but also related to the weight of the seater, and the compression spring 14 of the appropriate elastic coefficient is selected according to the weight of the seater;
  • the moving device makes the rotating shaft 11 and the sleeve 10 unable to rotate relative to each other.

Landscapes

  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Emergency Alarm Devices (AREA)
  • Seats For Vehicles (AREA)

Abstract

L'invention concerne un tabouret qui signale une mauvaise posture à son occupant. Le tabouret comporte un siège (1), des supports (2) de siège (1), un dispositif sensible à la pression et un dispositif d'alarme. Le siège (1) est relié aux supports (2) de façon mobile. Les dispositifs sensibles à la pression détectent les informations de pression de différentes positions du siège (1) en temps réel et, selon les informations de pression, estiment la posture de l'occupant et commandent l'activation du dispositif d'alarme.
PCT/CN2008/000778 2007-04-29 2008-04-16 Tabouret signalant une mauvaise posture à son occupant WO2008134922A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200710057279A CN101292820B (zh) 2007-04-29 2007-04-29 可提醒注意坐姿的凳子
CN200710057279.7 2007-04-29

Publications (1)

Publication Number Publication Date
WO2008134922A1 true WO2008134922A1 (fr) 2008-11-13

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ID=39943106

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2008/000778 WO2008134922A1 (fr) 2007-04-29 2008-04-16 Tabouret signalant une mauvaise posture à son occupant

Country Status (2)

Country Link
CN (1) CN101292820B (fr)
WO (1) WO2008134922A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102592401A (zh) * 2012-02-14 2012-07-18 昆山富泰科电脑有限公司 运动提醒装置及具有该装置的座椅
CN102894700B (zh) * 2012-10-19 2015-04-08 德州学院 一种可感知听课学员注意力集中度的座椅
CN104783534B (zh) * 2014-01-16 2017-10-24 湖北工业大学 坐姿矫正椅
CN106136594B (zh) * 2015-03-25 2019-11-12 福州大学 防近视防驼背多功能休闲课桌椅及其使用方法
CN106017798A (zh) * 2016-05-16 2016-10-12 浙江大学 一种基于称重传感器的人体行为反馈装置和方法
WO2018007890A1 (fr) * 2016-07-04 2018-01-11 Windrider R.S.B Aviation Limited Dispositifs et appareil d'alerte
FR3067921B1 (fr) * 2017-06-23 2019-08-16 Crouzet Automatismes Siege
CN108814616B (zh) * 2018-04-12 2021-11-05 深圳和而泰数据资源与云技术有限公司 一种坐姿识别的方法及智能座椅
CN109512185B (zh) * 2018-12-17 2021-09-21 山东协和学院 一种坐姿的智能调整方法
CN109907561A (zh) * 2019-04-09 2019-06-21 于舒淇 小学生坐姿矫正椅
CN111772344B (zh) * 2020-08-31 2022-04-01 江西世纪星校具实业有限公司 一种具有矫正防瞌睡的课桌椅

Citations (5)

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Publication number Priority date Publication date Assignee Title
JPH08293085A (ja) * 1995-04-20 1996-11-05 Mitsubishi Motors Corp 居眠り運転警報装置
JPH10236276A (ja) * 1997-02-24 1998-09-08 Kansei Corp 着座状態警報装置
CN2610756Y (zh) * 2003-02-27 2004-04-14 光宝科技股份有限公司 智能型健康椅
KR20050006866A (ko) * 2003-07-10 2005-01-17 현대자동차주식회사 차량에서의 유아 질식사고 방지를 위한 알림장치
CN1803067A (zh) * 2005-12-13 2006-07-19 西安交通大学 一种座椅优化设计的实验系统

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1110293C (zh) * 1998-09-19 2003-06-04 董继成 近视防止器
CN2643737Y (zh) * 2003-07-11 2004-09-29 杨红宇 红外线坐姿监测学习桌

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08293085A (ja) * 1995-04-20 1996-11-05 Mitsubishi Motors Corp 居眠り運転警報装置
JPH10236276A (ja) * 1997-02-24 1998-09-08 Kansei Corp 着座状態警報装置
CN2610756Y (zh) * 2003-02-27 2004-04-14 光宝科技股份有限公司 智能型健康椅
KR20050006866A (ko) * 2003-07-10 2005-01-17 현대자동차주식회사 차량에서의 유아 질식사고 방지를 위한 알림장치
CN1803067A (zh) * 2005-12-13 2006-07-19 西安交通大学 一种座椅优化设计的实验系统

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Publication number Publication date
CN101292820B (zh) 2010-05-19
CN101292820A (zh) 2008-10-29

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