WO2021096386A1 - Dispositif pour positionner une personne dans un moyen de transport (siège) s'ajustant automatiquement à la taille et à la forme du corps de l'utilisateur - Google Patents

Dispositif pour positionner une personne dans un moyen de transport (siège) s'ajustant automatiquement à la taille et à la forme du corps de l'utilisateur Download PDF

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Publication number
WO2021096386A1
WO2021096386A1 PCT/RU2020/000023 RU2020000023W WO2021096386A1 WO 2021096386 A1 WO2021096386 A1 WO 2021096386A1 RU 2020000023 W RU2020000023 W RU 2020000023W WO 2021096386 A1 WO2021096386 A1 WO 2021096386A1
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WO
WIPO (PCT)
Prior art keywords
user
chair
seat
size
elements
Prior art date
Application number
PCT/RU2020/000023
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English (en)
Russian (ru)
Inventor
Петр Анатольевич ЛУКАШЕВ
Юлия Владимировна КРЕМНЕВА
Original Assignee
Петр Анатольевич ЛУКАШЕВ
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 Петр Анатольевич ЛУКАШЕВ filed Critical Петр Анатольевич ЛУКАШЕВ
Publication of WO2021096386A1 publication Critical patent/WO2021096386A1/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
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H9/00—Pneumatic or hydraulic massage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable

Definitions

  • a device for placing a person in a vehicle automatically adjusting to the size and shape of the user's body
  • the invention relates to vehicle chairs, vehicle furniture, work furniture, medical furniture, home upholstered furniture.
  • the known solutions do not allow automatic adjustment of the chair in accordance with the size and shape of the user's body.
  • SUBSTITUTE SHEET (RULE 26) in order to control and maintain the correct posture of the user and thus provide the user with better health and greater safety.
  • the closest analogue is the Russian application 2018120825 dated 06/20172018, the author Lukashev P.A.
  • This invention differs from the analogue in that it provides the ability to adjust the amount of filler, which increases the possibilities of adjustments and settings. Disclosure of the essence of the invention.
  • the object of the invention is to provide vehicle seats that provide the user with greater convenience, health and safety.
  • people use transport regularly, many people spend several hours in transport every day, sitting in armchairs in a forced position. This is becoming a significant factor affecting human health.
  • the chair does not match the size and shape of the user's body, then the user is in the chair in an uncomfortable, anatomically incorrect posture with poor posture.
  • the chair can be adjusted so that the user's posture is anatomically correct, users rarely know how to do this, especially if it is not about their own car. Prolonged stay in a posture with poor posture leads to numerous health problems. To solve this problem, the authors consider it necessary:
  • a method that the authors believe can be applied to address the problem of maintaining correct posture for users is that the seat control system should offer the user an automatic adjustment to ensure correct posture and positioning.
  • the proposed parameters can be changed at the request of the user, if the user has not made any changes, the parameters set automatically remain.
  • the technical result of the invention is the ability to automatically adjust the position and shape of the chair to ensure the anatomically and ergonomically correct seating position of the user.
  • the seat and back of the chair are given the ability to adjust the length in accordance with the length of the back and hips of the user.
  • this solution in contrast to the known ones, such as adjusting the height of the headrest or the distance of the thigh support, allows for a continuous adherence of the body to the chair.
  • the seat and back of the chair are reshaped for precise adjustment to the shape and size of the user's body to ensure correct posture. This is achieved through the use of
  • SUBSTITUTE SHEET (RULE 26) technology of transformable soft furniture elements with regulation of the amount of filler (item 4 of this application), pneumatic support system for the user's spine, lateral support system for the user's torso (item 6 of this application), support system for the user's head, pneumatic support system for the user's legs.
  • the dental chair control device has a function to automatically detect the dental chair settings. This is achieved through automatic remote measurement of the user's body size using 2 video cameras and a computer video processing device that selects objects in the video image and determines the size of these objects using a formula expressing the relationship between the size of the object, the size of the object's image, the distance to the object and the focal length of the camera lens ...
  • the distance from the cameras to the object is determined using ultrasonic positioning sensors. Also, using ultrasonic positioning sensors, the settings of the user's pneumatic spine support system, the user's lateral torso support system, the user's pneumatic head support system, and the user's pneumatic leg support system are determined.
  • FIG. 1 shows an assembled chair (1), shows its parts: seat (2), back (3), shows the possible installation locations of video cameras with ultrasonic positioning sensors in the outer (4) and inner (5) rear-view mirrors.
  • FIG. 2 shows the rigid base of the chair (frame). Parts marked back (6), seat (7), retractable backrest (8), retractable seat
  • FIG. 3 shows the arrangement of the backrest soft elements.
  • FIG. 4 shows the arrangement of the soft elements of the seat.
  • SUBSTITUTE SHEET (RULE 26) (24) - a retractable part of the seat cushion that supports the knees and lower legs of the user,
  • FIG. 5 shows the device of transformable soft elements according to claim 4 of the formula.
  • (41) - a fan driven by an electric motor, which allows both pumping air out of the transformable soft element and pumping air into the transformable soft element,
  • FIG. 6 shows the device for lateral support of the user's body according to claim 6 of the formula.
  • a device (chair) (1) in FIG. 1 consisting of parts: seat (2), back (3), which consist of elements of a rigid base (frame), to which soft elements (cushions) are attached.
  • the elements of the seat frame and backrest are interconnected by means of hinge assemblies (9) in FIG. 2 and an electric folding and unfolding mechanism that allows you to set, maintain and change the angle between the seat and back in the range from 90 degrees to 180 degrees.
  • the design of the folding and unfolding mechanism belongs to the known technical solutions, therefore, this invention is not considered in detail.
  • the seat frame is connected to the vehicle body
  • SUBSTITUTE SHEET means by means of mechanisms with electric drives, allowing to set, maintain and change the height of the seat, the angle of inclination of the seat relative to the floor of the vehicle, the amount of seat displacement forward or backward relative to the user's footrest.
  • These mechanisms also relate to known technical solutions and are not discussed in detail in this invention.
  • the material from which the parts of the chair frame are made must have high strength properties with a low specific gravity; as an option for such a material, a composite material based on carbon fiber is proposed.
  • their frames In order to ensure the possibility of changing the length of the seat and back of the chair, their frames have retractable elements.
  • FIG. 2 shows a pull-out element (10) of the seat frame and a pull-out element (8) of the back frame.
  • the movement of the sliding elements is carried out by screw-ball mechanisms with electric drives.
  • soft elements of the seat (23), (24), backrest (I), (15), head part (18), (19), (20), (21) are fixed, which are made using the technology of transformable soft elements with regulation of the amount of filler (item 4 of this application) are elastic soft airtight shells filled with granules of elastic filler, also containing systems for supporting the user's spine (16), lateral support for the user's torso (12), supporting the user's head (20), (21), supporting the user's legs (25), (26), (27).
  • the retractable elements of the seat frame and backrest are equipped with inflatable soft elements for supporting the user's hips and knees (28), inflatable soft elements for supporting the user's shoulders (22), made using the technology of transformable soft elements with regulation of the amount of filler.
  • these parts of the soft elements of the seat and backrest are emptied from the elastic filler granules with a decrease in the length of the seat and backrest, or filled with elastic filler granules with an increase in the length of the seat and back, using a pneumatic filler transport system.
  • the device works as follows.
  • the video camera (4) When the device is turned on and the mode of automatic adjustment to the user is turned on, the video camera (4) is turned on by pressing a special button for selecting a seat, which the user must press when choosing a seat in a large interior of a vehicle or in a room, the device can be turned on with the same button.
  • an automatic mode of operation of the device and user identification can be realized using, for example, a motion sensor, the choice depends on the design of the installation site of the device. For a car, a mode can be implemented when the device is turned on when the door is opened, while cameras (4), together with ultrasonic distance sensors, can be located in the mirror housings and be directed to the door zones.
  • the video image processing device After receiving the user's video image (the minimum number of frames for customizing per user may be 1, but depending on the video processing algorithm used, more frames may be used, for example, to improve accuracy), the video image processing device first extracts the user's image in the frame. Algorithms for processing video images that allow you to do this, today
  • SUBSTITUTE SHEET (RULE 26) are known. These algorithms are not the subject of this application, so they are not described in detail here. You can indicate that the attributes by which this or that pixel of the frame can be attributed to the elements of the background or the user's image can be 1. Distance to the pixel (determined by the ultrasonic distance sensor) 2. Illumination. After determining the pixels of the user's image in the frame, the image processing device calculates the dimensions of the user's body, according to which the chair will be adjusted. The user's body size is calculated by the device using a formula that expresses the relationship between the size of the object, the size of the object's image, the distance to the object and the focal length of the camera lens.
  • the device it is important to configure the device to determine the points in the image, between which the size is measured, in order to calculate the size of the object.
  • the user needs such body dimensions as the distance from the tailbone to the crown of the user's head (to adjust the length of the back of the chair and the height of the seat), the distance from the tailbone to the popliteal folds (to adjust the length of the seat), the length of the shins in shoes from the knee to the heels ( for adjusting the backward shift of the seat relative to the front footrest or pedal assembly), arm length (for adjusting the steering column), width of the user's torso in the upper pelvis in the iliac region (for adjusting the pneumatic lateral torso support).
  • the minimum necessary for the operation of the device is an algorithm that allows you to determine the height of the user. To do this, pixels with the minimum and maximum ordinates are selected on the user's image and the distance between them along the ordinate is calculated, then the height of the user H is calculated using the formula. Further, to adjust the chair, it is taken:
  • the width of the trunk in the region of the ilium 1.4 / 7.5 N.
  • the chair position adjustments are made further according to the standards for the optimal position of the user.
  • these standards for example, are studied in driving schools.
  • the values for some parameters are set depending on the specific vehicle model, the location and functionality of the chair, or the specific project of the workplace (if the chair is part of the equipment of the workplace in the building).
  • the control device calculates the height of the seat, the angle of inclination of the seat to the floor, the shift of the seat back relative to the user's front footrest, the angle of inclination of the backrest, and transmits commands to the electric drives according to the given standards.
  • the control system must receive data from position sensors in digital form and be able to save the settings data. Today, there are technical solutions that allow you to do this, therefore, this issue is not considered in detail in this application.
  • the control device calculates the length of the back and seat and sends commands to the actuator ball-screw drives for extending the seat (10] and back (8] elements. (22) and (28).
  • preparation is made for adjusting the soft elements of the seat for the user. For this, first, using air pumps, air is injected into the soft elastic airtight shells of the soft elements of the seat and back and the head part until a pressure of 2% is reached. The device is then ready to receive the user.
  • the video camera (5) together with the ultrasonic distance sensor, records video from the front of the seated user.
  • the ultrasonic sensors of the chair (17) determine the distance to the user's body (the ultrasonic sensors of the chair for determining the distance are adjusted to the solid elements of the user's body: skull bones, vertebrae, pelvic bones, femurs).
  • the data collection control first checks whether the seat length has been set correctly. If necessary, issues a command to correct the length of the seat. Further, if the seat length adjustment is correct, the control device instructs the air pump of the seat cushion to evacuate the soft elastic airtight seat shell to create a vacuum to secure the seat shape adjustment to the user's body shape.
  • control device checks, according to the readings of the sensors, whether the length of the back of the chair is correctly set. If necessary, the control device issues a command to the electric drive for adjusting the length of the back of the chair to correct the length of the back of the chair so that the center of the neck support roller is under the 4th cervical vertebra of the user.
  • the pneumatic system for supporting the user's spine is configured. According to the algorithm, the control device calculates the pressure parameters for the pneumatic elements of the user's spine support system and issues commands to the compressor system and solenoid valves of the switching system of the pneumatic spine support system, the pneumatic elements of the system (16) are filled in accordance with the calculated parameters, sequentially, starting from the bottom.
  • the control device After filling the upper active pneumatic element of the spine support system, the pneumatic element (20) for adjusting the position of the user's head is filled to ensure the vertical position of the head soft element (21).
  • the user's trunk lateral support system is configured.
  • the control device according to the data of the video camera (5), the ultrasonic distance sensor, the ultrasonic sensors of the chair (17) determines the width of the user's torso in the zone of lateral support of the torso and, according to the algorithm that links the width of the user's torso and the settings of the lateral support system of the user's torso, determines the height and width of the installation the user's trunk lateral support cushions (12), which pneumatic elements are filled and the inflation pressure, and transmits commands to the electric motors (14), (46), the compressor system and the solenoid valves of the switching system of the user's lateral torso pneumatic system. Further, upon completion of the adjustment of the user's torso lateral support system, the control device issues
  • the authors To maintain the health and performance of the user during a long stay in the chair, the authors consider the most important factor to ensure blood circulation and prevent blood stagnation in all parts of the body. To this end, the chair is designed to maintain the correct posture of the user, which improves blood flow to the body. But with a long stay, this alone is not enough. To improve blood circulation and prevent blood stagnation, the chair needs to move with the user's body. The technical result will be the performance of the chair of constant micromovements, coordinated with the body of the user and preventing blood stagnation. To improve the blood supply to the user's body, the authors suggest adjusting the chair systems in accordance with the rhythm of the user's body, in particular, with the breathing rhythm.
  • a contact-type breathing sensor (known in medical technology) is placed in the back of the chair.
  • a mode is set for the soft elements of the chair when they expand and contract, like parts of a living body, during breathing and blood pulsation.
  • the control device with a period coordinated with the user's breathing period sets the pulsation mode, cyclical pressure increase and decrease within the specified values, for example, + - 10%.
  • the very design of the pressure maintenance systems which makes it possible to create such a pulsation, belongs to the known technical solutions, therefore, it is not considered in this invention.
  • the structure of the transformable soft elements is shown in FIG. 6.
  • the device works as follows. When it is necessary to add filler (43) from the container with a supply (30) to the transformable soft element (29), the flaps (35), (36), (37), (38), (39) are opened, the fan (42) is turned on and pumps air from the atmosphere or from the preparation system (filtration, dehumidification, heating) of the vehicle air into the container (30) and creates an increased air pressure in it at the inlet (31).
  • the fan (41) turns on and evacuates air from the transformable soft element (29), creating a reduced air pressure in the transformable soft element (29).
  • SUBSTITUTE SHEET (RULE 26) dampers (35), (36), (37), (38), (39), fan (41) turns on and pumps air from the atmosphere or from the system of preparation (filtration, dehumidification, heating) of vehicle air into a transformable soft element ( 29) and creates an increased air pressure in it at the inlet (33).
  • the fan (42) turns on and evacuates air from the container (30), creating a reduced air pressure in the container (30).
  • the shutters (36) and (38) are open, air will begin to move along with the filler granules from the zone of increased pressure in the transformable soft element (29) to the zone of reduced pressure in the container (30).
  • the air entering the container (30) is separated from the filler granules by means of a separation device (mesh) at the outlet (31) and is pumped out again by the fan (42), while the filler granules remain in the container (30).
  • the flaps (35), (36), (38) are closed.
  • the flap (37) is opened and the fan (41) either pumps air into the transformable soft element (29) to be able to adjust to the shape of the user's body, or pumps out air from the transformable soft element (29) for creating a vacuum and fixing the resulting shape.
  • the technical result is achieved: the amount of filler in the transformable soft element is regulated, and the transformable soft element is adjusted to the shape of the user's body.
  • the user's torso lateral support device is shown in FIG. 6.
  • the device works as follows. Based on the commands received from the seat control device, the digitally controlled electric motors (46) wind on or from the reels of the belts (13) so that the cushions (12) move to a predetermined position in the height and width of the back (44) of the chair ...
  • the digitally controlled electric motors (46) wind on or from the reels of the belts (13) so that the cushions (12) move to a predetermined position in the height and width of the back (44) of the chair ...
  • the electromagnets after adjusting the pillows (12), they are fixed in the selected position when the electromagnets (47) are turned on on a pad of magnetic material (48).
  • the pressure in the pneumatic elements (45) the filling of the lateral support cushions is adjusted.
  • the technical result is achieved: the lateral support cushions are located in the right places along the height and width of the back of the chair and their fullness is adjusted.

Abstract

L'invention se rapporte aux sièges de moyens de transport, au mobilier de moyens de transport, aux meubles, au mobilier médical, aux meubles de travail et au mobilier domestique léger. L'invention permet d'augmenter la commodité de placement d'une personne. L'invention permet d'ajuster automatiquement le siège en fonction de la taille et de la forme du corps de l'utilisateur.
PCT/RU2020/000023 2019-11-13 2020-01-21 Dispositif pour positionner une personne dans un moyen de transport (siège) s'ajustant automatiquement à la taille et à la forme du corps de l'utilisateur WO2021096386A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2019136498 2019-11-13
RU2019136498 2019-11-13

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WO2021096386A1 true WO2021096386A1 (fr) 2021-05-20

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PCT/RU2020/000023 WO2021096386A1 (fr) 2019-11-13 2020-01-21 Dispositif pour positionner une personne dans un moyen de transport (siège) s'ajustant automatiquement à la taille et à la forme du corps de l'utilisateur

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003118531A (ja) * 2001-10-16 2003-04-23 Denso Corp 車両用乗員位置検出装置
US7748781B2 (en) * 2008-01-14 2010-07-06 Eric Bass Head and body protection child safety seat
WO2015112712A1 (fr) * 2014-01-22 2015-07-30 Bethcare, Inc. Procédés et appareils pour ajuster un objet
US9848814B2 (en) * 2014-02-20 2017-12-26 Faurecia Automotive Seating, Llc Vehicle seat with integrated sensors
US9889770B2 (en) * 2010-10-07 2018-02-13 Faurecia Automotive Seating, Llc System, methodologies, and components acquiring, analyzing, and using occupant body specifications for improved seating structures and environment configuration
RU2018120825A (ru) * 2018-06-05 2018-10-15 Петр Анатольевич Лукашев Устройство трансформируемых мягких элементов мебели и способ трансформации
JP2018188137A (ja) * 2017-04-28 2018-11-29 テイ・エス テック株式会社 シートユニット
RU2677382C2 (ru) * 2014-03-10 2019-01-16 Форд Глобал Технолоджис, ЛЛК Переключатель для выбора и настройки функций сидений транспортного средства
RU2700322C2 (ru) * 2015-03-27 2019-09-16 ФОРД ГЛОУБАЛ ТЕКНОЛОДЖИЗ, ЭлЭлСи Система обнаружения объектов вне зоны видимости водителя для транспортного средства, способ автоматической настройки переднего сиденья транспортного средства и транспортное средство

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003118531A (ja) * 2001-10-16 2003-04-23 Denso Corp 車両用乗員位置検出装置
US7748781B2 (en) * 2008-01-14 2010-07-06 Eric Bass Head and body protection child safety seat
US9889770B2 (en) * 2010-10-07 2018-02-13 Faurecia Automotive Seating, Llc System, methodologies, and components acquiring, analyzing, and using occupant body specifications for improved seating structures and environment configuration
WO2015112712A1 (fr) * 2014-01-22 2015-07-30 Bethcare, Inc. Procédés et appareils pour ajuster un objet
US9848814B2 (en) * 2014-02-20 2017-12-26 Faurecia Automotive Seating, Llc Vehicle seat with integrated sensors
RU2677382C2 (ru) * 2014-03-10 2019-01-16 Форд Глобал Технолоджис, ЛЛК Переключатель для выбора и настройки функций сидений транспортного средства
RU2700322C2 (ru) * 2015-03-27 2019-09-16 ФОРД ГЛОУБАЛ ТЕКНОЛОДЖИЗ, ЭлЭлСи Система обнаружения объектов вне зоны видимости водителя для транспортного средства, способ автоматической настройки переднего сиденья транспортного средства и транспортное средство
JP2018188137A (ja) * 2017-04-28 2018-11-29 テイ・エス テック株式会社 シートユニット
RU2018120825A (ru) * 2018-06-05 2018-10-15 Петр Анатольевич Лукашев Устройство трансформируемых мягких элементов мебели и способ трансформации

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