WO2022095524A1 - 背部跟随支撑装置、防久坐控制方法及办公椅 - Google Patents
背部跟随支撑装置、防久坐控制方法及办公椅 Download PDFInfo
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- WO2022095524A1 WO2022095524A1 PCT/CN2021/110334 CN2021110334W WO2022095524A1 WO 2022095524 A1 WO2022095524 A1 WO 2022095524A1 CN 2021110334 W CN2021110334 W CN 2021110334W WO 2022095524 A1 WO2022095524 A1 WO 2022095524A1
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- Prior art keywords
- airbag
- sitting
- seat
- cushion
- pressure
- Prior art date
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- 230000002265 prevention Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000001105 regulatory effect Effects 0.000 claims abstract description 76
- 230000033228 biological regulation Effects 0.000 claims abstract description 16
- 230000001276 controlling effect Effects 0.000 claims abstract description 11
- 230000000276 sedentary effect Effects 0.000 claims description 58
- 230000001144 postural effect Effects 0.000 claims description 26
- 210000001217 buttock Anatomy 0.000 claims description 25
- 238000004891 communication Methods 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 10
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- 230000008602 contraction Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 description 27
- 210000004705 lumbosacral region Anatomy 0.000 description 18
- 238000010586 diagram Methods 0.000 description 14
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
- A47C7/467—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by fluid means
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
- A47C27/002—Mattress or cushion tickings or covers
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
- A47C27/08—Fluid mattresses or cushions
- A47C27/081—Fluid mattresses or cushions of pneumatic type
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- 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
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
- A47C7/14—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/02—Seat parts
- A47C7/14—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions
- A47C7/142—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions by fluid means
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/62—Accessories for chairs
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- 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
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- 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
- A61H9/005—Pneumatic massage
- A61H9/0078—Pneumatic massage with intermittent or alternately inflated bladders or cuffs
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L17/00—Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
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- 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
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/01—Constructive details
- A61H2201/0119—Support for the device
- A61H2201/0138—Support for the device incorporated in furniture
- A61H2201/0149—Seat or chair
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- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/16—Physical interface with patient
- A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
- A61H2201/1623—Back
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- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/50—Control means thereof
- A61H2201/5023—Interfaces to the user
- A61H2201/5025—Activation means
- A61H2201/503—Inertia activation, i.e. activated by movement
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- 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
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/50—Control means thereof
- A61H2201/5056—Control means thereof pneumatically controlled
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- 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
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/50—Control means thereof
- A61H2201/5058—Sensors or detectors
- A61H2201/5071—Pressure sensors
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- 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
- A61H2203/00—Additional characteristics concerning the patient
- A61H2203/04—Position of the patient
- A61H2203/0425—Sitting on the buttocks
- A61H2203/0431—Sitting on the buttocks in 90°/90°-position, like on a chair
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- 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
- A61H2205/00—Devices for specific parts of the body
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- 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
- A61H2205/00—Devices for specific parts of the body
- A61H2205/08—Trunk
- A61H2205/086—Buttocks
Definitions
- the invention relates to the technical field of daily necessities, in particular to a back following support device, an anti-sitting control method and an office chair.
- the technical problem to be solved by the present invention is to provide a back following support device, an anti-sitting control method and an office chair, which can adjust the comfort of the seat and the back follow support device, and effectively It supports the user's lower back and meets the needs of different groups of people. It can detect whether the user has been sitting for a long time, massage the user's buttocks and/or lower back in the form of inflation and deflation, and make the user change the sitting posture.
- an anti-sitting control method comprising:
- S1 determine in real time whether the user is sitting, if so, start accumulating the sitting time of the user, if not, reset the sitting time;
- the step S3 includes the following steps:
- the present invention also provides a sedentary prevention device for realizing the sedentary prevention control method, comprising:
- the backrest including the backrest
- Posture intervention airbag which is arranged on the seat panel and/or the backrest panel;
- Control system the control system includes a controller, an air pressure sensor, and an inflation and deflation device.
- the controller includes a sitting monitoring module, a sitting timing module, a sedentary judgment module, and a sitting posture adjustment module that are connected in sequence.
- the air pressure sensor is used to measure the body position in real time.
- Intervention airbag The internal air pressure is in communication with the sitting monitoring module, and the inflation and deflation device is in communication with the postural intervention airbag and is in communication with the sitting posture adjustment module.
- the body position intervention airbag includes a seat airbag arranged on the seat panel and/or a cushion airbag arranged on the backrest panel.
- the regulation system further comprises a pressure measuring airway communicated with the body position intervention airbag, and the air pressure sensor is arranged on the pressure measuring airway.
- the inflating and deflating device includes an air supply for inflating the body position intervention airbag, and a pressure regulating valve assembly for discharging the gas inside the body position intervention airbag. Both the air supply device and the pressure regulating valve assembly are connected to the sitting posture adjustment module.
- the regulation system further includes a power supply, and the power supply is connected to the controller.
- the regulation system further includes a hand controller, and the hand controller is connected to the controller.
- the body position intervention airbag is used as the interference factor of the user's sedentary phenomenon.
- the body position intervention airbag arranged at the user's buttocks and/or lower back is repeatedly charged and discharged. Breathing so that the postural intervention airbag repeatedly pushes against the user's buttocks and/or lower back. Even if the user does not actively change the sitting posture, the user can change the sitting posture under the action of the postural intervention airbag, and at the same time can massage the user's buttocks and/or lower back comfortably, thereby reducing the pressure on the lumbar spine and alleviating the damage to the lumbar spine. damage.
- the sitting monitoring module acquires the air pressure measured by the air pressure sensor in real time. If the air pressure inside the body position intervention airbag is within the preset air pressure range, it means that the user has not changed the sitting posture. ; otherwise, it means that the user has left the seat or changed the sitting posture.
- the sitting timing module will accumulate the user's sitting time; when the user leaves the seat or changes the sitting position, the sitting timing module will reset the user's sitting time to zero.
- the sedentary judgment module will compare the user's sitting time with the preset warning time in real time.
- the sedentary judgment module sends a reminder command to the sitting posture adjustment module, and the sitting posture adjustment module sends a charging and discharging device to the inflatable device. gas command. Therefore, the sedentary prevention device can detect whether the user is sitting for a long time, massage the user's buttocks and/or lower back in the form of inflation and deflation, and make the user change the sitting posture.
- the present invention also provides another anti-sitting device for realizing the anti-sitting control method, comprising:
- the backrest includes a backrest board and a cushion airbag arranged on the backrest board;
- a seat comprising a seat panel and a seat airbag arranged on the seat panel;
- control system includes a controller, a pressure sensor and an inflating and deflating device
- the controller includes a real-time acquisition module, a pressure judgment module and a sitting posture adjustment module connected in sequence
- the pressure sensor is arranged on the seat and/or the backrest and is connected with the real-time acquisition module.
- the inflation and deflation device is respectively communicated with the cushion airbag and the seat airbag and is connected in communication with the sitting posture adjustment module.
- the backrest further comprises a soft cushion cover, and the soft cushion cover covers the side of the cushion airbag facing away from the backrest plate.
- the seat further comprises a pressure-measuring air passage communicating with the seat airbag, the pressure sensor comprises an air pressure sensor, and the air pressure sensor is arranged on the pressure-measuring air passage.
- the pressure sensor includes a sitting pressure sensor, and the sitting pressure sensor is provided on the seat plate.
- the inflating and deflating device includes an air supply device for inflating the cushion airbag and the seat airbag respectively, a first pressure regulating valve for controlling the amount of gas inside the cushion airbag, and a first pressure regulating valve for controlling the amount of gas in the seat airbag.
- the second pressure regulating valve, the air supply device, the first pressure regulating valve and the second pressure regulating valve are all connected with the sitting posture adjustment module.
- the regulation system further includes a power supply, and the power supply is connected to the controller.
- the cushion airbag includes a waist airbag and a back airbag which are communicated with each other.
- the seat air bag includes a front side bag body and a rear side bag body.
- the present invention also provides an office chair, including the anti-sitting device.
- the sedentary prevention device and the office chair of the present invention have the following beneficial effects: when the user sits in the sedentary prevention device, the pressure sensor arranged on the seat and/or the backrest detects the user's pressure on the seat and/or the backrest.
- the real-time acquisition module obtains the pressure value, and the pressure judgment module judges whether the pressure value is greater than the preset value. If so, the sitting posture adjustment module sends an inflation command to the inflation and deflation device, so that the inflation and deflation device can be used for the cushion against the airbag and the seat. Airbag inflates.
- the inflation and deflation device stops inflating, so that the cushion airbag and the seat airbag maintain the preset air pressure, so that the cushion airbag and the seat airbag keep the air pressure. More comfortable comfort.
- the pressure judgment module needs to use the pressure value of the user on the seat and/or the backrest when the user is stably sitting as a sedentary reference value. After that, the pressure sensor continuously detects the pressure value of the user on the seat and/or the backrest, the real-time acquisition module continuously obtains the real-time pressure value, and the pressure judgment module continuously judges the pressure difference between the real-time pressure value and the sedentary reference value.
- the sitting posture adjustment module controls the inflation and deflation device to repeatedly inflate and deflate the seat airbag and/or the cushion airbag, causing the user to change the sitting posture and reduce the pressure on the lumbar spine. Repeated inflation and deflation of the top airbag and/or the cushion airbag can also massage and relax the buttocks and/or lower back without affecting the normal work of the user.
- the anti-sitting device and the office chair of the present invention can prevent the user from sedentary behavior, adjust the user's sitting posture, massage and relax the buttocks and/or lower back, reduce the pressure on the lumbar spine, and will not affect the normal work of the user. .
- the present invention also provides a back following support device, comprising:
- the flexible back waist support includes a cushion airbag arranged on the backrest board;
- Control system includes a controller, an air supply for inflating the cushion airbag, a pressure regulating valve assembly for controlling the amount of gas in the cushioning airbag, and an air pressure sensor for collecting the air pressure inside the cushioning airbag, an air supply device, and a pressure regulating valve assembly And the air pressure sensor is connected to the controller.
- the back following support device further comprises a soft cushion cover, and the soft cushion cover covers the side of the cushion airbag facing away from the backrest board.
- the flexible back waist support further comprises an air supply and exhaust passage and a pressure measuring air passage which are communicated with the cushion airbag, the air supply device is connected with the air supply and exhaust passage, and the pressure regulating valve assembly is arranged on the supply and exhaust passage, so The air pressure sensor is connected to the pressure measuring airway.
- the air supply and exhaust passage includes an inflation pipeline and an exhaust pipeline that communicate with each other, two ends of the inflation pipeline in the extending direction are respectively connected to the air supply device and the cushioning airbag, and the pressure regulating valve assembly is provided at on the exhaust line.
- the regulation system further includes a hand controller, and the hand controller is connected to the controller.
- the cushion airbag is divided into a lumbar airbag and a back airbag that are connected in the same way.
- the waist bag is divided into two overlapping lower left air chambers and two overlapping lower right air chambers, and the back bag has a single air chamber structure.
- the present invention also provides an office chair, comprising a seat and the back following support device.
- the seat includes a seat plate and a sitting pressure sensor provided on the seat plate, and the sitting pressure sensor is connected to the controller.
- the seat further comprises a seat airbag for allowing the air supply to be inflated, and a second pressure regulating valve for controlling the amount of gas in the seat airbag, and the second pressure regulating valve is connected with the controller.
- the back following support device and the office chair of the present invention have the following beneficial effects:
- the air pressure inside the airbag will change, and the air pressure sensor will The collected air pressure data is sent to the controller.
- the controller determines that someone is using the back support device, controls the air supply device to inflate the cushion airbag, and makes the pressure regulating valve assembly in the state of inflating the cushion airbag. Until the cushion airbag can fully support the user's lower back.
- the controller controls the air supply device to stop inflating the cushion airbag, and the pressure regulating valve assembly is in the state of keeping the cushion airbag pressure.
- the air pressure inside the cushion airbag will decrease, and the controller will control the air supply device to continue to inflate the cushion airbag and make the pressure regulating valve assembly in the Inflate the cushion airbag until the cushion airbag fully supports the user's lower back again. At this time, the air pressure inside the cushion airbag reaches the preset air pressure value again.
- the air pressure inside the cushion airbag will increase, and the controller will control the pressure regulating valve assembly to allow the cushion airbag to exhaust outward. , so that the air inside the cushion airbag leaks out until the support force of the cushion airbag on the user's lower back is moderate again. At this time, the air pressure inside the cushion airbag reaches the preset air pressure value again. Therefore, under the adjustment of the control system, the cushion airbag is inflated and deflated as the user's sitting posture changes, thereby changing the volume and comfort of the cushion airbag, so that the back following support device can always fit and effectively support the user's waist. The back position, and the support force for the lower back position is changed, which greatly reduces the damage to the lumbar spine caused by the user's long-term sitting, and realizes the function of following and supporting the user's lower back position.
- the office chair of the present invention can adjust the comfort of the seat and the back following support device, and can effectively support the user's lower back position to meet the needs of different groups of people.
- the present invention provides an external pressure induction type back following support device, comprising:
- the backrest includes a backrest board and a flexible back lumbar support, and the flexible back lumbar support comprises a cushion airbag arranged on the backrest board;
- control system includes a controller, an air supply device for inflating the cushion airbag, a pressure regulating valve assembly for controlling the amount of gas in the cushion airbag, and a pressure sensor for collecting the pressure of the human waist and/or the back of the human body on the cushion airbag , the pressure sensor is located on the outer surface of the cushion airbag facing the waist and/or the back of the human body, or the pressure sensor is located on the outer surface of the cushion airbag facing away from the waist and/or the back of the human body.
- the components and the pressure sensor are connected to the controller.
- the external pressure-sensitive back following support device further comprises a soft cushion cover, the soft cushion cover covers the side of the cushion airbag facing away from the backrest plate, and the back pressure sensor is clamped on the cushion airbag and soft cushion cover.
- the soft cushion cover is made of elastic cloth.
- the cushion airbag is divided into the same connected waist bag body and the back bag body, the number of the pressure sensors is multiple, all the pressure sensors are divided into two groups, and one group of the pressure sensors is arranged on the waist
- the bag body faces the outer side of the waist of the human body, and another group of pressure sensors is arranged on the outer side of the back bag body which faces the back of the human body.
- the external pressure-sensitive back following support device of the present invention has the following beneficial effects: in the present invention, since the pressure sensor is provided on the outer surface of the cushion airbag facing the waist and/or the back of the human body, or the pressure sensor The sensor is located on the outer surface of the cushion airbag facing away from the waist of the human body and/or the back of the human body. When the waist of the human body and/or the back of the human body leans against the cushion against the airbag, the pressure received by the pressure sensor will change, and the pressure sensor will collect the collected data.
- the pressure data is sent to the controller, and the controller, after data processing, determines that someone is using the external pressure induction type back follow-up support device, controls the air supply device to inflate the cushion airbag, and makes the pressure regulating valve assembly inflate the cushion airbag. state until the cushion airbag can fully support the user's lower back.
- the controller controls the air supply to stop inflating the cushion airbag, and the pressure regulating valve assembly is in the state of keeping the cushion airbag pressure.
- the pressure on the pressure sensor When the user's sitting posture changes and the cushion airbag cannot fully support the user's lower back, the pressure on the pressure sensor will decrease, and the controller will control the air supply device to continue to inflate the cushion airbag and then make the pressure regulating valve assembly It is in the state of inflating the cushion airbag until the cushion airbag fully supports the user's lower back position again. At this time, the pressure received by the pressure sensor reaches the preset pressure value again.
- the pressure on the pressure sensor When the user's sitting posture changes and the support force of the cushion airbag on the user's lower back is too large, the pressure on the pressure sensor will increase, and the controller will control the pressure regulating valve assembly to allow the cushion airbag to exhaust outward.
- the external pressure sensing type back following support device does not need to put an air pressure sensor into the cushion airbag, but installs the pressure sensor on the outer surface of the cushion airbag facing the waist and/or the back of the human body, thereby It is convenient for the maintenance and replacement of the pressure sensor, and there is no need to lay a pressure measuring air channel, thereby improving the reliability of the measurement data of the pressure sensor.
- the cushion airbag is inflated and deflated as the user's sitting posture changes, thereby changing the volume and comfort of the cushion airbag, so that the flexible back and lumbar support can always fit and effectively support the user's waist.
- Back position, and change the support force for the lower back position greatly reduce the damage to the lumbar spine caused by the user due to prolonged sitting, realize the function of supporting the user's lower back position, and facilitate the disassembly and maintenance of the pressure sensor, improving the pressure The reliability of the measurement data of the sensor.
- the present invention provides a manual back following support device, comprising:
- the backrest comprises a backrest board and a flexible back lumbar support
- the flexible back lumbar support comprises a cushioning airbag arranged on the backrest board
- the cushioning airbag has a gas nozzle for allowing gas to enter and exit the cushioning airbag
- the manual inflation and deflation device includes a retractable gas storage cavity, a suction check valve that only allows gas to flow into the gas storage cavity, and a suction check valve that only allows gas to flow into the gas storage cavity.
- the exhalation one-way valve flowing out of the air storage cavity is connected to the air nozzle through a ventilation pipeline.
- the exhalation one-way valve is provided with an exhaust valve that only allows the gas in the ventilation pipeline to be discharged to the atmosphere. to the valve.
- the manual back following support device further comprises a soft cushion cover, the soft cushion cover covers the side of the cushion airbag facing away from the backrest plate, and a backrest is sandwiched between the soft cushion cover and the cushion airbag buffer layer.
- the soft cushion cover is made of elastic cloth.
- the resting buffer layer is made of sponge material.
- the manual back follow-up support device and the office chair of the present invention have the following beneficial effects:
- the exhaust one-way valve belongs to the normally closed valve type. To open the exhaust check valve, you need to press the exhaust check valve.
- the inner cavity of the air storage cavity can be expanded or contracted. When the user presses the above air storage cavity, the inhalation check valve is in a closed state, the exhaust check valve is in a closed state, and the exhalation check valve is in a closed state.
- the inhalation check valve In an open state, the inner cavity of the air storage cavity gradually shrinks, so that the air storage cavity transports gas into the cushion airbag through the above-mentioned ventilation pipeline, so that the cushion cushion airbag has a certain degree of comfort and has a certain degree of comfort for the user's waist or back. Therefore, it can play a good supporting role on the waist or back of the human body.
- the inhalation check valve When the user releases the above-mentioned air storage cavity, at this time, the inhalation check valve is in an open state, the exhaust check valve is in a closed state, and the exhalation check valve is in a closed state, and the air storage cavity is under the action of elastic restoring force. It expands to the initial state, and the atmospheric gas flows into the inner cavity of the gas storage cavity.
- the air storage cavity is provided with an inhalation check valve and an exhalation check valve
- the exhalation check valve is provided with an exhaust check valve, which makes the overall volume of the manual inflation and deflation device small and convenient.
- the user controls the inflation and deflation of the cushion airbag with one hand. Therefore, the manual back following support device of the present invention enables the user to manually inflate and deflate the cushion airbag based on the change of his sitting posture under the condition of no electricity, thereby changing the volume and comfort of the cushion airbag, so as to make the back and waist flexible.
- the support can always fit and effectively support the user's lower back or back, and change the support force on the lower back or back, which greatly reduces the damage to the lumbar spine caused by the user's long-term sitting. Function, and it is convenient for the user to control the cushion airbag with one hand to realize the manual inflation and deflation function.
- Fig. 1a shows a schematic flow chart of the anti-sitting control method of the present invention
- Fig. 1b shows a schematic flow chart of the inflation and deflation of the postural intervention airbag
- FIG. 1 c is a schematic structural diagram of the anti-sitting device of the present invention.
- Fig. 1d is a schematic diagram showing the connection of the first embodiment of the sedentary prevention device
- Fig. 1e is a schematic diagram showing the connection of the second embodiment of the sedentary prevention device
- Fig. 1f shows a schematic structural diagram of the first embodiment of the controller
- Fig. 2a is a schematic diagram showing the connection of a third embodiment of the sedentary prevention device of the present invention.
- Fig. 2b is a schematic diagram showing the connection of the fourth embodiment of the sedentary prevention device of the present invention.
- FIG. 2c is a schematic structural diagram of a second embodiment of the controller
- Figure 2d shows an exploded view of the backrest
- Figure 2e shows an exploded view of the seat
- Figure 2f shows a first perspective view of the office chair of the present invention
- Figure 2g shows a schematic diagram of the seat and adjustment system of the office chair
- Fig. 3a shows the circuit connection diagram of the back following support device of the present invention
- Figure 3b shows an exploded view of the first embodiment of the back following support device of the present invention
- Figure 3c shows an exploded view of the second embodiment of the back following support device of the present invention
- Figure 3d shows a perspective view of the controller and the air pressure sensor
- Fig. 3e shows the circuit connection diagram of the first embodiment of the office chair of the present invention
- Figure 3f shows a second perspective view of the office chair of the present invention
- Figure 3g shows a perspective view of the back panel, the cushion airbag and the soft cushion cover of the office chair
- Figure 3h shows a perspective view of the seat plate, seat airbag and soft cushion of the office chair
- Figure 3i shows a perspective view of the seat plate and control system of the office chair
- Fig. 3j shows the circuit connection diagram of the second embodiment of the office chair of the present invention.
- Figure 4a shows an exploded view of the external pressure-sensing back following support device of the present invention
- Fig. 4b shows the circuit connection diagram of the external pressure induction type back following support device of the present invention
- Figure 5a is a schematic diagram of a manual back following support device of the present invention.
- Figure 5b shows a schematic diagram of a manual inflation and deflation device.
- the present invention provides an anti-sitting control method, comprising:
- S1 determine in real time whether the user is sitting, if so, start accumulating the sitting time of the user, if not, reset the sitting time;
- the body position intervention airbag is used as the interference factor of the user's sedentary phenomenon.
- the body position intervention airbag arranged at the user's buttocks and/or lower back is repeatedly charged and discharged. Breathing so that the postural intervention airbag repeatedly pushes against the user's buttocks and/or lower back. Even if the user does not actively change the sitting position, the user can change the sitting position under the action of the body position intervention airbag, and at the same time can massage the user's buttocks and/or lower back comfortably, thereby reducing the pressure on the lumbar spine and alleviating the damage to the lumbar spine. damage.
- step S3 includes the following steps:
- the present invention also provides a sedentary prevention device for realizing the above-mentioned sedentary prevention control method, including:
- the backrest 1, the backrest 1 includes a backrest board 11;
- the seat 2 includes a seat plate 21;
- Posture intervention airbag the postural intervention airbag is arranged on the seat panel 21 and/or the back panel 11;
- Control system 3 the control system 3 includes a controller 31, an air pressure sensor 321 and an inflating and deflating device 33.
- the controller 31 includes a sitting monitoring module 311, a sitting timing module 312, a sedentary judgment module 313, and a sitting posture adjustment module 314 connected in sequence.
- the air pressure sensor 321 is used to measure the air pressure inside the body position intervention airbag in real time and is in communication connection with the sitting monitoring module 311 .
- the sitting monitoring module 311 acquires the air pressure measured by the air pressure sensor 321 in real time. Change the sitting posture; otherwise, it means that the user has left the seat or has changed the sitting posture.
- the sitting timing module 312 will accumulate the sitting time of the user; when the user leaves the seat or changes the sitting posture, the sitting timing module 312 will reset the sitting time of the user to zero.
- the sedentary judgment module 313 will compare the user's sitting time with the preset warning time in real time, and when the sitting time reaches the preset warning time, the sedentary judgment module 313 sends a reminder command to the sitting posture adjustment module 314, and the sitting posture adjustment module 314 inflates and deflates the gas.
- the device issues a command to inflate and deflate. Therefore, the sedentary preventing device can detect whether the user has sedentary phenomenon, massage the user's buttocks and/or lower back by means of inflation and deflation, and make the user change the sitting posture.
- the above-mentioned body position intervention airbag includes the seat part airbag 22 arranged on the seat part panel 21 and/or the cushion airbag 12 arranged on the backrest panel 11 .
- the regulation system 3 further includes a pressure measuring airway 34 that communicates with the body position intervention airbag.
- the air pressure sensor 321 is arranged on the pressure measuring airway 34 .
- the above-mentioned inflating and deflating device 33 includes an air supply device 331 (such as an air pump) for inflating the body position intervention airbag, and a pressure regulating valve assembly 332 for discharging the gas inside the body position intervention airbag. Both the regulator 331 and the pressure regulating valve assembly 332 are connected to the sitting posture adjustment module 314 .
- the regulation system 3 further includes a power supply 35 (eg, a battery), and the power supply 35 is connected to the controller 31 . .
- a power supply 35 eg, a battery
- the above-mentioned regulation system 3 further includes a hand controller 36 , and the hand controller 36 is connected with the controller 31 .
- the sedentary prevention control method and the sedentary prevention device of the present invention can detect whether the user has sedentary phenomenon, massage the user's buttocks and/or lower back in the form of inflation and deflation, and make the user change the sitting posture .
- the present invention also provides another anti-sitting device for realizing the above-mentioned anti-sitting control method, including:
- the backrest 1 includes a backrest board 11 and a cushion airbag 12 arranged on the backrest board 11 ;
- the seat 2 includes a seat panel 21 and a seat airbag 22 arranged on the seat panel 21;
- Control system 3 the control system 3 includes a controller 31, a pressure sensor 32 and an inflating and deflating device 33, the controller 31 includes a real-time acquisition module 315, a pressure judgment module 316 and a sitting posture adjustment module 314 connected in sequence, and the pressure sensor 32 is arranged in the chair.
- the seat 2 and/or the backrest 1 are connected in communication with the real-time acquisition module 315 , and the inflation and deflation devices 33 are respectively connected with the cushion airbag 12 and the seat airbag 22 and are connected in communication with the sitting posture adjustment module 314 .
- the pressure sensor 32 arranged on the seat 2 and/or the backrest 1 detects the pressure value of the user on the seat 2 and/or the backrest 1, and the real-time acquisition module 315 obtains the pressure value, the pressure judgment module 316 judges whether the pressure value is greater than the preset value, and if so, the sitting posture adjustment module 314 sends an inflation command to the inflation and deflation device 33, so that the inflation and deflation device 33 inflates the cushion airbag 12 and the seat airbag 22 .
- the inflation and deflation device 33 stops inflating, so that the interior of the cushion airbag 12 and the seat airbag 22 maintains the preset air pressure, so that the cushion airbag 12 and seat airbag 22 maintain a more comfortable level of comfort. It is worth noting that the pressure determination module 316 needs to use the pressure value of the seat 2 and/or the backrest 1 of the user when the user is stably seated as a sedentary reference value.
- the pressure sensor 32 continuously detects the pressure value of the user on the seat 2 and/or the backrest 1, the real-time acquisition module 315 continuously obtains the real-time pressure value, and the pressure judgment module 316 continuously judges the pressure difference between the real-time pressure value and the sedentary reference value.
- the pressure difference is relatively stable within the preset time period (for example, the pressure difference has always been within the preset value range), it means that the user has sedentary behavior; if the pressure difference fluctuates greatly within the preset time period (for example, some pressure The difference does not belong to the preset value range), it means that the user does not have sedentary behavior.
- the sitting posture adjustment module 314 controls the inflation and deflation device 33 to repeatedly inflate and deflate the seat airbag 22 and/or the cushion airbag 12, so that the user changes the sitting posture and reduces the stress on the lumbar spine. Pressure, by repeatedly inflating and deflating the seat airbag 22 and/or the cushion airbag 12, the buttocks and/or the lower back can be massaged and relaxed without affecting the normal work of the user.
- the sedentary prevention device of the present invention can prevent the user from sedentary behavior, adjust the user's sitting posture, massage and relax the buttocks and/or lower back, reduce the pressure on the lumbar spine, and will not affect the normal work of the user.
- the sedentary prevention device further includes a reminder device, and the reminder device can emit sound or vibrate.
- the backrest 1 in order to protect the cushion airbag 12 and improve the comfort of leaning, the backrest 1 further includes a soft cushion cover 13 , which covers the side of the cushion airbag 12 that faces away from the backrest plate 11 . superior.
- the seat 2 further includes a soft cushion layer 23, and the soft cushion layer 23 covers a portion of the seat airbag 22 facing away from the seat plate 21. on the side.
- the seat 2 in order for the pressure sensor 32 to detect the air pressure inside the seat airbag 22 , the seat 2 further includes a pressure measuring air channel 34 that communicates with the seat airbag 22 .
- the pressure sensor 32 includes an air pressure sensor 321 , and the air pressure sensor 321 is arranged on the pressure measuring air channel 34 .
- the above-mentioned pressure sensor 32 in order to detect the pressure of the user on the seat 2 , the above-mentioned pressure sensor 32 includes a sitting pressure sensor 322 , and the sitting pressure sensor 322 is provided on the seat plate 21 .
- the sitting pressure sensor 322 may be one of a thin film pressure sensor, a capacitive sensor, a strain gauge, and a mechanical switch.
- the above-described regulating valve assembly 332 includes a first pressure regulating valve 332a and a second pressure regulating valve 332b (see FIGS. 2a and 2b ).
- the inflating device 33 includes an air supply device 331 (for example, an air pump) for inflating the cushion airbag 12 and the seat airbag 22 respectively, the first pressure regulating valve 332a for controlling the amount of gas inside the cushion airbag 12 , and the seat part.
- the second pressure regulating valve 332b , the air supply device 331 , the first pressure regulating valve 332a and the second pressure regulating valve 332b are all connected to the sitting posture adjustment module 313 .
- the regulation system 3 further includes a power supply 35 (eg, a battery), and the power supply 35 is connected to the controller 31 .
- a power supply 35 eg, a battery
- the above-mentioned cushion airbag 12 includes a waist airbag body 121 and a back airbag body 122 which are communicated with each other.
- the back bladder 122 is squeezed. Since the waist bladder 121 and the back bladder 122 are connected, in order to keep the air pressure inside the cushioning airbag 21 balanced, the back bladder 122 The gas will flow into the gas inside the waist bag body 121 , the volume of the waist bag body 121 becomes larger, and the volume of the back bag body 122 becomes smaller, thereby effectively supporting the waist and back.
- the back airbag 122 is divided into a left back air chamber and a right back air chamber, so that the cushion airbag 12 is more suitable for the user.
- the seat airbag 22 includes a front side bag body 221 and a rear side bag body 222 .
- the front side bag 221 is squeezed. Since the rear side bag 222 and the front side bag 221 are connected, in order to maintain the air pressure balance inside the seat air bag 22, the inside of the front side bag 221
- the air inside the rear side bag body 222 will flow into the gas inside the rear side bag body 222, the volume of the rear side bag body 222 will become larger, and the volume of the front side bag body 221 will become smaller, thereby forming an effective support for the buttocks.
- the rear side airbag 222 is divided into a left buttocks air chamber and a left buttocks air chamber, so that the seat airbag 22 is more suitable for the user.
- the above-mentioned control system 3 further includes a hand controller 36 connected to the controller 31 .
- the present invention further provides an office chair, including the above-mentioned anti-sitting device.
- the office chair of the present invention can prevent the user from sedentary behavior, adjust the user's sitting posture, massage and relax the buttocks and/or lower back, reduce the pressure on the lumbar spine, and will not affect the normal work of the user.
- the controller 31 , the pressure sensor 32 and the inflating and discharging device 33 of the above-mentioned regulation system 3 are arranged in the seat 2 .
- the anti-sitting device and the office chair of the present invention can prevent the user from sedentary behavior, adjust the user's sitting posture, massage and relax the buttocks and/or lower back, reduce the pressure on the lumbar spine, and will not affect the normal work of the user. .
- the present invention also provides a back following support device, comprising:
- the flexible back and waist support includes a cushion airbag 12 arranged on the backboard 11;
- the control system 3 includes a controller 31 , an air supply 331 for inflating the cushion airbag 12 , a pressure regulating valve assembly 332 for controlling the amount of gas in the cushion airbag 12 , and an air pressure sensor 321 for collecting the air pressure inside the cushion airbag 12 , the air supply device 331 , the pressure regulating valve assembly 332 and the air pressure sensor 321 are all connected to the controller 31 .
- the air pressure inside the cushion airbag 12 will change, and the air pressure sensor 321 transmits the collected air pressure data to the controller 31, and the controller 31 undergoes data processing, It is determined that someone is using the back follow-up support device at this time, control the air supply 331 (such as an air pump) to inflate the cushion airbag 12, and make the pressure regulating valve assembly 332 (such as a normally closed solenoid valve and a double solenoid valve, which have inflation , the functions of exhausting and maintaining pressure) are in the state of inflating the cushion airbag 12 until the cushion airbag 12 can fully support the user's lower back.
- the air supply 331 such as an air pump
- the pressure regulating valve assembly 332 such as a normally closed solenoid valve and a double solenoid valve, which have inflation , the functions of exhausting and maintaining pressure
- the controller 31 controls the air supply 331 to stop inflating the cushion airbag 12 , and the pressure regulating valve assembly 332 is in a state of keeping the cushion airbag 12 pressure.
- the air pressure inside the backrest airbag 12 will decrease, and the controller 31 will control the air supply device 331 to continue to inflate the backrest airbag 2 and use it again.
- the pressure regulating valve assembly 332 is in a state of inflating the cushion airbag 12 until the cushion airbag 2 fully supports the user's lower back again. At this time, the air pressure inside the cushion airbag 2 reaches the preset air pressure value again.
- the air pressure inside the cushion airbag 12 will increase, and the controller 31 will control the pressure regulating valve assembly 332 to allow the cushioning airbag 12 In the exhausting state, the air inside the cushion airbag 12 leaks out until the support force of the cushion airbag 2 on the user's lower back is moderate again. At this time, the air pressure inside the cushion airbag 2 reaches the preset air pressure value again.
- the cushion airbag 12 is inflated and deflated as the user's sitting posture changes, thereby changing the volume and comfort of the cushion airbag 12, so that the back following support device can always fit and effectively support The user's lower back position, and the support force for the lower back position is changed, which greatly reduces the damage to the lumbar spine caused by the user's long-term sitting, and realizes the function of following and supporting the user's lower back position.
- the back following support device further includes a soft cushion cover 13, the soft cushion cover 13 covers the cushion airbag 12 facing away from the backrest on one side of the plate 11.
- the above-mentioned flexible back waist support further includes an air supply and exhaust passage 37 and a pressure-measuring air passage 34 that communicate with the cushion airbag 12.
- the above-mentioned air supply device 331 is connected to the air supply and exhaust passage 37, and the pressure regulating valve assembly 332 is provided with On the supply and exhaust passage 37 , the above-mentioned air pressure sensor 321 is connected to the pressure measuring air passage 34 .
- the above-mentioned air supply and exhaust passage 37 includes an inflatable pipeline 371 and an exhaust pipeline 372 that communicate with each other.
- the two ends of the inflatable pipeline 371 in the extending direction are respectively connected to the air supply device 331 and the cushion airbag 12.
- the above-mentioned pressure regulation Valve assembly 332 is provided on exhaust line 372 .
- control system 3 further includes a manual controller 36 , and the manual controller 36 is connected to the controller 31 .
- the regulation system 3 further includes a power supply 35 , and the power supply 35 (eg, a battery) is connected to the controller 31 .
- the power supply 35 eg, a battery
- the above-mentioned cushioning airbag 12 may comprise a single airbag, or may comprise a plurality of airbags. Further, as shown in FIG. 3b , as the first embodiment of the back following support device: the above-mentioned cushion airbag 12 is divided into a waist airbag 121 and a back airbag 122 which are connected in the same way. When the user's lower back is leaning back, the back bladder 122 is squeezed.
- the back bladder 122 Since the waist bladder 121 and the back bladder 122 are connected, in order to keep the air pressure inside the cushioning bladder 12 balanced, the back bladder 122 The gas will flow into the gas inside the waist bag body 121 , the volume of the waist bag body 121 becomes larger, and the volume of the back bag body 122 becomes smaller, thereby effectively supporting the waist and back.
- the waist bag body 121 is divided into two overlapping lower left air chambers 121a and two overlapping lower right air chambers 121b, the back bag body 122 is a single air chamber structure.
- the present invention further provides an office chair, comprising a seat 2 and the above-mentioned back following support device.
- the office chair of the invention improves the comfort of the user, and effectively protects the lumbar vertebrae of the user.
- the seat 2 includes a seat plate 21 and a sitting pressure sensor 322 provided on the seat plate 21 , and the sitting pressure sensor 322 is connected to the controller 31 .
- the sitting pressure sensor 322 may be one of a thin film pressure sensor, a capacitive sensor, a strain gauge, and a mechanical switch.
- the sitting pressure sensor 322 located on the seat plate 21 transmits the pressure data to the controller 31, and the controller 31 controls the air supply 331 to inflate the cushion airbag 12, and makes the pressure regulating valve assembly 332 In the state of inflating the cushion airbag 12 until the cushion airbag 12 can fully support the user's lower back.
- the controller 31 controls the air supply 331 to stop inflating the cushion airbag 12 , and the pressure regulating valve assembly 332 is in a state of keeping the cushion airbag 12 pressure.
- the air pressure inside the backrest airbag 12 will decrease, and the controller 31 will control the air supply device 331 to continue to inflate the backrest airbag 2 and use it again.
- the pressure regulating valve assembly 332 is in a state of inflating the cushion airbag 12 until the cushion airbag 2 fully supports the user's lower back again. At this time, the air pressure inside the cushion airbag 2 reaches the preset air pressure value again.
- the air pressure inside the cushion airbag 12 will increase, and the controller 31 will control the pressure regulating valve assembly 332 to allow the cushioning airbag 12 In the exhausting state, the air inside the cushion airbag 12 leaks out until the support force of the cushion airbag 2 on the user's lower back is moderate again. At this time, the air pressure inside the cushion airbag 2 reaches the preset air pressure value again.
- the seat 2 further includes a seat airbag 22 that allows the air supply 331 to be inflated, and a second pressure regulating valve 332b that controls the amount of gas in the seat airbag 22 (the second pressure regulating valve 332b may be The second pressure regulating valve 332b is connected to the controller 31.
- the controller 31 When someone sits in the above office chair, the controller 31 also controls the air supply 331 to inflate the seat airbag 22 according to the pressure data of the sitting pressure sensor 322, and controls the second pressure regulating valve 332b to inflate the seat airbag 22 state.
- the second pressure regulating valve 332b When the air pressure inside the seat airbag 22 reaches the preset air pressure value, the second pressure regulating valve 332b is switched to the pressure maintaining state to maintain the air pressure inside the seat airbag 22 and keep the seat 2 more comfortable.
- the second pressure regulating valve 332b is a two-way solenoid valve, which has the functions of charging, discharging and maintaining pressure.
- the office chair of the present invention can adjust the comfort of the seat 2 and the back following support device, and can effectively support the user's lower back position to meet the needs of different groups of people.
- the seat 2 further includes a soft cushion layer 23,
- the seat airbag 22 is divided into a front air chamber, a rear right air chamber, and a rear left air chamber.
- the back following support device of the present invention can always fit and effectively support the lower back position of the user, and change the support force for the lower back position, greatly reduce the damage to the lumbar spine caused by the user due to prolonged sitting, and realize the following and support the user.
- the function of the lower back position, the office chair can adjust the comfort of the seat and the back follow-up support device, and effectively support the user's lower back position.
- an external pressure induction type back following support device comprising:
- Backrest 1 comprises backrest board 11 and flexible back lumbar support, and flexible back lumbar support comprises cushioning airbag 12 arranged on backrest board 11;
- Control system 3 the control system 3 includes a controller 31, an air supply device 331 for inflating the cushion airbag 12, a pressure regulating valve assembly 332 for controlling the amount of gas in the cushion airbag 12, and a collection of human waist and/or human back to the cushion
- the pressure sensor 323 for the pressure of the airbag 12, the pressure sensor 323 is arranged on the outer surface of the airbag 12 facing the waist and/or the back of the human body, or the pressure sensor 323 is arranged on the outer surface of the airbag 12 facing away from the waist of the human body and/or On the outer surface of the back of the human body, the air supply device 331 , the pressure regulating valve assembly 332 and the pressure sensor 323 are all connected to the controller 31 .
- the pressure sensor 323 is arranged on the outer surface of the cushion airbag 12 facing the waist and/or the back of the human body, or the pressure sensor 323 is arranged on the outer surface of the airbag 12 facing away from the waist and/or the back of the human body
- the pressure received by the pressure sensor 323 will change, and the pressure sensor 323 will transmit the collected pressure data to the controller 31, and the controller 31 undergoes data processing.
- the air supply 331 such as an air pump
- the pressure regulating valve assembly 332 such as a normally closed solenoid valve and a double solenoid valve
- the valve which has the functions of inflating, exhausting and maintaining pressure
- the controller 31 controls the air supply 331 to stop inflating the cushion airbag 12
- the pressure regulating valve assembly 332 is in a state of keeping the cushion airbag 12 pressure.
- the pressure received by the pressure sensor 323 will decrease, and the controller 31 will control the air supply device 331 to continue to inflate the cushion airbag 2 and then re-inflate the cushion airbag 2.
- the pressure regulating valve assembly 332 is inflated to the cushion airbag 12 until the cushioning airbag 2 fully supports the user's lower back again. At this time, the pressure received by the pressure sensor 323 reaches the preset pressure value again.
- the pressure received by the pressure sensor 323 will increase, and the controller 31 will control the pressure regulating valve assembly 332 to allow the cushion airbag 12 is in a state of exhausting outward, so that the gas inside the cushion airbag 12 leaks out until the supporting force of the cushioning airbag 2 on the user's lower back is moderate again.
- the pressure received by the pressure sensor 323 reaches the preset pressure again. value.
- the external pressure induction type back following support device does not need to arrange an air pressure sensor in the cushion airbag 2 or in the flow channel communicated with the cushion airbag, but the pressure sensor 323 is provided in the cushion airbag 12 . Facing the outer surface of the waist and/or the back of the human body, the maintenance and replacement of the pressure sensor 323 is facilitated, and additional pressure measuring air channels are not required, thereby improving the reliability of the measurement data of the pressure sensor 323 .
- the cushion airbag 12 is inflated and deflated as the user's sitting posture changes, thereby changing the volume and comfort of the cushion airbag 12, so that the flexible back and waist support can always fit and effectively support The user's low back or back, and the support force for the low back or back is changed, which greatly reduces the damage to the lumbar spine caused by the user's long-term sitting, realizes the function of following and supports the user's low back or back, and is convenient for the pressure sensor 323. Disassemble and repair to improve the reliability of the measurement data of the pressure sensor 323 .
- the above-mentioned external pressure-sensitive back following support device further includes a soft cushion cover 13 that covers the cushion airbag 12 On the side facing away from the backrest board 11 , the above-mentioned resting pressure sensor 323 is sandwiched between the cushioning airbag 12 and the soft cushion cover 13 . Further, the above-mentioned soft cushion cover 13 is made of elastic cloth, which can improve the wrapping property of the soft cushion cover 13 .
- the above-mentioned cushion airbag 12 is divided into a waist bag body 121 and a back bag body 122 which are connected in the same way.
- 323 is divided into two groups, one of the pressure sensors 323 is arranged on the outer side of the waist bag 121 facing the waist of the human body, and the other group of pressure sensors 323 is arranged on the outer side of the back bag 122 facing the back of the human body.
- the lumbar bladder 121 is divided into a lower left air chamber 121a and a lower right air chamber 121b that are superimposed on each other, and the outer surface of the lower left air chamber 121a and the lower right air chamber are formed.
- Each of the outer surfaces of the chambers 121b is provided with one of the aforementioned pressure sensors 323 .
- the external pressure-sensitive back following support device and office chair of the present invention can make the flexible back and lumbar support always fit, effectively support the user's waist and/or back, and change the support force for the waist and/or back, greatly reducing the user's
- the damage to the lumbar vertebrae caused by sitting for a long time realizes the function of following and supporting the user's waist and/or back, and facilitates the disassembly and maintenance of the pressure sensor, and improves the reliability of the measurement data of the pressure sensor.
- the present invention provides a manual back following support device, comprising:
- the backrest 1, the backrest 1 includes a backrest board 11 and a flexible back lumbar support, the flexible back lumbar support includes a cushion airbag 12 arranged on the backrest plate 11, and the cushion airbag 12 has a gas nozzle 123 that allows gas to enter and exit the cushion airbag 12;
- the manual inflating and deflating device 4 includes an inflatable gas storage cavity 41, the gas storage cavity 41 is provided with an inhalation one-way only allowing gas to flow into the gas storage cavity 41
- the valve 42 and the exhalation one-way valve 43 that only allows the gas to flow out of the air storage cavity 41.
- the exhalation one-way valve 43 is connected to the air nozzle 123 through a ventilation line 44.
- An exhaust check valve 45 that discharges the gas in the gas line 44 to the atmosphere.
- the exhaust one-way valve 45 is a normally closed valve type.
- the exhaust one-way valve 45 needs to be opened, the exhaust one-way valve 45 needs to be pressed.
- the inner cavity of the air storage cavity 41 can be expanded or contracted.
- the air one-way valve 43 is in the open state, and the inner cavity of the air storage cavity 41 is gradually reduced, so that the air storage cavity 41 transmits the gas into the cushion airbag 12 through the above-mentioned ventilation pipeline 44, so that the cushion cushion airbag 12 has a certain comfort. It has a certain degree of support for the waist or back of the user, so that it can play a good supporting role on the waist or back of the human body.
- the inhalation check valve 42 is in an open state
- the exhaust check valve 45 is in a closed state
- the exhalation check valve 43 is in a closed state
- the air storage cavity 41 is in a closed state.
- the volume of the cushion airbag 12 can meet the support requirements for the user.
- the air storage cavity 41 is provided with an inhalation one-way valve 42 and an exhalation one-way valve 43, and the exhalation one-way valve 43 is provided with an exhaust one-way valve 45, so that the manual inflation and deflation device 4
- the overall volume is small, which is convenient for the user to control the inflation and deflation of the cushion airbag 12 with one hand.
- the manual back following support device of the present invention enables the user to manually inflate and deflate the cushion airbag 12 based on the change of his sitting posture under the condition of no electricity, thereby changing the volume and comfort of the cushion airbag 12, thereby making the flexibility
- the back and lumbar support can always fit and effectively support the user's back or back, and change the support force on the back or back, greatly reducing the damage to the lumbar spine caused by the user's long-term sitting, and realizing manual follow-up support for the user's back or back.
- the function of the back and it is convenient for the user to control the cushion airbag 12 with one hand, so as to realize the function of manual inflation and deflation.
- the above-mentioned manual back following support device further includes a soft cushion cover 13, the soft cushion cover 13 covers the side of the cushion airbag 12 facing away from the backrest board 11, the soft cushion cover 13 and the cushion cover A leaning buffer layer 14 is sandwiched between the leaning airbags 12 .
- the above-mentioned soft cushion cover 13 is made of elastic cloth.
- the above-mentioned leaning buffer layer 14 is made of sponge material.
- the above manual back following support device can also be applied to office chairs.
- the present invention enables the user to manually inflate and deflate the cushion airbag 12 based on the change of his sitting posture under the condition of no electricity, realizes the function of manually following and supporting the user's waist or back, and facilitates the user to control the cushion airbag 12 with one hand.
- the present invention effectively overcomes various shortcomings in the prior art and has high industrial utilization value.
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Abstract
Description
Claims (36)
- 一种背部跟随支撑装置,其特征在于,包括:靠背板(11);柔性背腰托,柔性背腰托包括布置于靠背板(11)的垫靠气囊(12);调控***(3),调控***(3)包括控制器(31)、向垫靠气囊(12)充气的供气器(331)、控制垫靠气囊(12)内气体量的调压阀组件(332)以及采集垫靠气囊(12)内部气压的气压传感器(321),供气器(331)、调压阀组件(332)以及气压传感器(321)均与控制器(31)连接。
- 根据权利要求1所述的背部跟随支撑装置,其特征在于:所述背部跟随支撑装置还包括软质垫套(13),软质垫套(13)覆盖在垫靠气囊(12)背向靠背板(11)的一侧上。
- 根据权利要求1所述的背部跟随支撑装置,其特征在于:所述柔性背腰托还包括与垫靠气囊(12)连通的供排气道(37)和测压气道(34),所述供气器(331)与供排气道(37)连接,调压阀组件(332)设在供排气道(37)上,所述气压传感器(321)与测压气道(34)连接。
- 根据权利要求3所述的背部跟随支撑装置,其特征在于:所述供排气道(37)包括相互连通的充气管路(371)和排气管路(372),充气管路(371)延伸方向上的两端分别与供气器(331)和垫靠气囊(12)连接,所述调压阀组件(332)设在排气管路(372)上。
- 根据权利要求1所述的背部跟随支撑装置,其特征在于:所述调控***(3)还包括手控器(36),手控器(36)与控制器(31)连接。
- 根据权利要求1所述的背部跟随支撑装置,其特征在于:所述垫靠气囊(12)被划分成相同连通的腰部囊体(121)和背部囊体(122)。
- 根据权利要求6所述的背部跟随支撑装置,其特征在于:所述腰部囊体(121)被划分形成相互叠置的两个下左侧气室(121a)和相互叠置的两个下右侧气室(121b),所述背部囊体(122)呈单气室结构。
- 一种办公椅,其特征在于:包括椅座(2)以及如权利要求1至权利要求7任一项所述的 背部跟随支撑装置。
- 根据权利要求8所述的办公椅,其特征在于:所述椅座(2)包括座部板(21)以及设于座部板(21)的坐压传感器(322),坐压传感器(322)与控制器(31)连接。
- 根据权利要求9所述的办公椅,其特征在于:所述椅座(2)还包括允许供气器(331)充气的座部气囊(22)以及控制座部气囊(22)内气体量的第二调压阀(332b),第二调压阀(332b)与控制器(31)连接。
- 一种防久坐控制方法,其特征在于,包括:S1,实时判断用户是否入坐,若是则开始累计用户的就坐时间,若否则将就坐时间清零;S2,判断就坐时间是否达到预设警戒时间,若是则执行S3,若否则跳回S1;S3,对布置于用户臀部处和/或腰背处的***干预气囊进行反复充放气以使***干预气囊反复推挤用户的臀部和/或腰背部,用户在***干预气囊的作用下变换坐姿。
- 根据权利要求11所述的防久坐控制方法,其特征在于:所述步骤S3包括如下步骤:S31,***干预气囊进行充气;S32,实时判断充气时间是否达到预设膨胀时间,若是则执行S33,若否则跳回S31;S33,***干预气囊进行放气;S34,实时判断放气时间是否达到预设收缩时间,若是则执行S35,若否则跳回S33;S35,记录***干预气囊的充放气次数;S36,判断***干预气囊的充放气次数是否达到预设干预次数,若是则***干预气囊结束充放气,若否则跳回S31。
- 一种实现如权利要求11或权利要求12所述防久坐控制方法的防久坐装置,其特征在于,包括:靠背(1),靠背(1)包括靠背板(11);椅座(2),椅座(2)包括座部板(21);***干预气囊,***干预气囊布置于座部板(21)和/或靠背板(11);调控***(3),调控***(3)包括控制器(31)、气压传感器(321)以及充放气装置(33),控制器(31)包括依次连接的入坐监控模块(311)、就坐计时模块(312)、久坐判断模块(313)以及坐姿调节模块(314),气压传感器(321)用于实时测量***干预气囊内部的气压并且与入坐监控模块(311)通信连接,充放气装置(33)与***干预气囊连通并且与坐姿调节模块(314)通信连接。
- 根据权利要求13所述的防久坐装置,其特征在于:所述***干预气囊包括布置于座部板(21)的座部气囊(22)和/或布置于靠背板(11)的垫靠气囊(12)。
- 根据权利要求13所述的防久坐装置,其特征在于:所述调控***(3)还包括与***干预气囊连通的测压气道(34),所述气压传感器(321)设在测压气道(34)上。
- 根据权利要求13所述的防久坐装置,其特征在于:所述充放气装置(33)包括向***干预气囊充气的供气器(331)、将***干预气囊内部的气体排出的调压阀组件(332),供气器(331)和调压阀组件(332)均与坐姿调节模块(314)连接。
- 根据权利要求13所述的防久坐装置,其特征在于:所述调控***(3)还包括供电器(35),供电器(35)与控制器(31)连接。
- 根据权利要求13所述的防久坐装置,其特征在于:所述调控***(3)还包括手控器(36),手控器(36)与控制器(31)连接。
- 一种实现如权利要求11或权利要求12所述防久坐控制方法的防久坐装置,其特征在于,包括:靠背(1),靠背(1)包括靠背板(11)以及布置于靠背板(11)的垫靠气囊(12);椅座(2),椅座(2)包括座部板(21)以及布置于座部板(21)的座部气囊(22);调控***(3),调控***(3)包括控制器(31)、压力传感器(32)以及充放气装置(33),控制器(31)包括依次连接的实时采集模块(315)、压力判断模块(316)以及坐姿调节模块(314),压力传感器(32)布置于椅座(2)和/或靠背(1)并且与实时采集模块(315)通信连接,充放气装置(33)分别与垫靠气囊(12)和座部气囊(22) 连通并且与坐姿调节模块(314)通信连接。
- 根据权利要求19所述的防久坐装置,其特征在于:所述靠背(1)还包括软质垫套(13),软质垫套(13)覆盖在垫靠气囊(12)背向靠背板(11)的一侧上。
- 根据权利要求19所述的防久坐装置,其特征在于:所述椅座(2)还包括软质垫层(23),软质垫层(23)覆盖在座部气囊(22)背向座部板(21)的一侧上。
- 根据权利要求19所述的防久坐装置,其特征在于:所述椅座(2)还包括与座部气囊(22)连通的测压气道(34),所述压力传感器(32)包括气压传感器(321),气压传感器(321)设在测压气道(34)上。
- 根据权利要求19所述的防久坐装置,其特征在于:所述压力传感器(32)包括坐压传感器(322),坐压传感器(322)设在座部板(21)上。
- 根据权利要求19所述的防久坐装置,其特征在于:所述充放气装置(33)包括分别向垫靠气囊(12)、座部气囊(22)充气的供气器(331)、控制垫靠气囊(12)内部的气体量的第一调压阀(332a)以及控制座部气囊(22)内部的气体量的第二调压阀(332b),供气器(331)、第一调压阀(332a)以及第二调压阀(332b)均与坐姿调节模块(314)连接。
- 根据权利要求19所述的防久坐装置,其特征在于:所述调控***(3)还包括供电器(35),供电器(35)与控制器(31)连接。
- 根据权利要求19所述的防久坐装置,其特征在于:所述垫靠气囊(12)包括相互连通的腰部囊体(121)和背部囊体(122)。
- 根据权利要求19所述的防久坐装置,其特征在于:所述座部气囊(22)包括前侧囊体(221)和后侧囊体(222)。
- 一种办公椅,其特征在于:包括如权利要求19至权利要求27任一项所述的防久坐装 置。
- 一种外压感应式背部跟随支撑装置,其特征在于,包括:靠背(1),靠背(1)包括靠背板(11)和柔性背腰托,柔性背腰托包括布置于靠背板(11)的垫靠气囊(12);调控***(3),调控***(3)包括控制器(31)、向垫靠气囊(12)充气的供气器(331)、控制垫靠气囊(12)内气体量的调压阀组件(332)以及采集人体腰部和/或人体背部对垫靠气囊(12)的压力的靠压传感器(323),靠压传感器(323)设于垫靠气囊(12)朝向人体腰部和/或人体背部的外表面,或者靠压传感器(323)设于垫靠气囊(12)背向人体腰部和/或人体背部的外表面,供气器(331)、调压阀组件(332)以及靠压传感器(323)均与控制器(31)连接。
- 根据权利要求29所述的外压感应式背部跟随支撑装置,其特征在于:所述外压感应式背部跟随支撑装置还包括软质垫套(13),软质垫套(13)覆盖在垫靠气囊(12)背向靠背板(11)的一侧上,所述靠压传感器(323)被夹设于垫靠气囊(12)和软质垫套(13)之间。
- 根据权利要求30所述的外压感应式背部跟随支撑装置,其特征在于:所述软质垫套(13)由弹性布料制成。
- 根据权利要求29所述的外压感应式背部跟随支撑装置,其特征在于:所述垫靠气囊(12)被划分成相同连通的腰部囊体(121)和背部囊体(122),所述靠压传感器(323)的数量为多个,所有靠压传感器(323)分成两组,其中一组靠压传感器(323)布置于腰部囊体(121)朝向人体腰部的外侧面,另一组靠压传感器(323)布置于背部囊体(122)朝向人体背部的外侧面。
- 一种手动式背部跟随支撑装置,其特征在于,包括:靠背(1),靠背(1)包括靠背板(11)以及柔性背腰托,柔性背腰托包括布置于靠背板(11)的垫靠气囊(12),垫靠气囊(12)具有允许气体进出于垫靠气囊(12)的气嘴(123);手动式充放气装置(4),手动式充放气装置(4)包括可缩胀的储气腔体(41)、储 气腔体(41)上设有只允许气体流进于储气腔体(41)的吸气单向阀(42)以及只允许气体流出于储气腔体(41)的呼气单向阀(43),呼气单向阀(43)通过一通气管路(44)连接于气嘴(123),呼气单向阀(43)上设有只允许通气管路(44)内的气体排放至大气的排气单向阀(45)。
- 根据权利要求33所述的手动式背部跟随支撑装置,其特征在于:所述手动式背部跟随支撑装置还包括软质垫套(13),软质垫套(13)覆盖在垫靠气囊(12)背向靠背板(11)的一侧上,软质垫套(13)和垫靠气囊(12)之间夹设有倚靠缓冲层(14)。
- 根据权利要求34所述的手动式背部跟随支撑装置,其特征在于:所述软质垫套(13)由弹性布料制成。
- 根据权利要求34所述的手动式背部跟随支撑装置,其特征在于:所述倚靠缓冲层(14)由海绵材料制成。
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CN116138583A (zh) * | 2023-03-22 | 2023-05-23 | 东莞市艾慕寝室用品有限公司 | 一种智能沙发控制*** |
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CN213720949U (zh) * | 2020-11-03 | 2021-07-20 | 苏州贝氪智能科技有限公司 | 背部跟随支撑装置及办公椅 |
CN213757414U (zh) * | 2020-11-03 | 2021-07-23 | 苏州贝氪智能科技有限公司 | 防久坐装置及办公椅 |
Cited By (2)
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CN114869059A (zh) * | 2022-05-20 | 2022-08-09 | 浙江吉云教育科技集团有限公司 | 一种基于深度学习的课堂行为分析*** |
CN116138583A (zh) * | 2023-03-22 | 2023-05-23 | 东莞市艾慕寝室用品有限公司 | 一种智能沙发控制*** |
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US20240188719A1 (en) | 2024-06-13 |
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KR20230052982A (ko) | 2023-04-20 |
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