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WO2024012579A1 - Système et procédé de réglage pour une intervention de sécurité d'un véhicule, système d'intervention de sécurité pour véhicule et véhicule - Google Patents

Système et procédé de réglage pour une intervention de sécurité d'un véhicule, système d'intervention de sécurité pour véhicule et véhicule Download PDF

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Publication number
WO2024012579A1
WO2024012579A1 PCT/CN2023/107524 CN2023107524W WO2024012579A1 WO 2024012579 A1 WO2024012579 A1 WO 2024012579A1 CN 2023107524 W CN2023107524 W CN 2023107524W WO 2024012579 A1 WO2024012579 A1 WO 2024012579A1
Authority
WO
WIPO (PCT)
Prior art keywords
seat
adjustment
vehicle
collision
safety
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2023/107524
Other languages
English (en)
Inventor
Jing Wan
Zhenfei WANG
Hui Yang
Yuting Tang
Zhi Zhu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF Automotive Technologies Shanghai Co Ltd
Original Assignee
ZF Automotive Technologies Shanghai Co Ltd
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
Priority claimed from CN202310826503.3A external-priority patent/CN117400795A/zh
Application filed by ZF Automotive Technologies Shanghai Co Ltd filed Critical ZF Automotive Technologies Shanghai Co Ltd
Publication of WO2024012579A1 publication Critical patent/WO2024012579A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
    • 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
    • B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
    • B60N2/0021—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement
    • B60N2/0024—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement for identifying, categorising or investigation of the occupant or object on the seat
    • 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
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/02246—Electric motors therefor
    • 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
    • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
    • B60N2/0244—Non-manual adjustments, e.g. with electrical operation with logic circuits
    • B60N2/0276—Non-manual adjustments, e.g. with electrical operation with logic circuits reaction to emergency situations, e.g. crash
    • 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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/4207—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces
    • B60N2/4214—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces longitudinal
    • B60N2/4228—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces longitudinal due to impact coming from the rear
    • 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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/427—Seats or parts thereof displaced during a crash
    • B60N2/42709—Seats or parts thereof displaced during a crash involving residual deformation or fracture of the structure
    • 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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/427—Seats or parts thereof displaced during a crash
    • B60N2/42727—Seats or parts thereof displaced during a crash involving substantially rigid displacement
    • B60N2/42736—Seats or parts thereof displaced during a crash involving substantially rigid displacement of the whole seat
    • 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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/427—Seats or parts thereof displaced during a crash
    • B60N2/42772—Seats or parts thereof displaced during a crash characterised by the triggering system
    • B60N2/4279—Seats or parts thereof displaced during a crash characterised by the triggering system electric or electronic triggering
    • 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
    • B60N2/68—Seat frames
    • B60N2/688—Particular seat belt attachment and guiding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B60R22/20—Anchoring devices adjustable in position, e.g. in height
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B60R22/26—Anchoring devices secured to the seat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2210/00—Sensor types, e.g. for passenger detection systems or for controlling seats
    • B60N2210/10—Field detection presence sensors
    • B60N2210/16—Electromagnetic waves
    • B60N2210/22—Optical; Photoelectric; Lidar [Light Detection and Ranging]
    • B60N2210/24—Cameras
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R2021/01013—Means for detecting collision, impending collision or roll-over
    • B60R2021/0102—Means for detecting collision, impending collision or roll-over the monitored value being used for calculating occupant displacement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R2021/01204—Actuation parameters of safety arrangents
    • B60R2021/01252—Devices other than bags
    • B60R2021/01265—Seat belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R2021/01204—Actuation parameters of safety arrangents
    • B60R2021/01252—Devices other than bags
    • B60R2021/01265—Seat belts
    • B60R2021/01272—Belt tensioners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B60R22/20—Anchoring devices adjustable in position, e.g. in height
    • B60R2022/208—Anchoring devices adjustable in position, e.g. in height by automatic or remote control means

Definitions

  • the present invention mainly relates to the field of intelligent driving, and in particular, to an adjustment system and method for a safety intervention of a cockpit of a vehicle, a safety intervention system for a vehicle, and a vehicle.
  • an adjustment system and method for a safety intervention of a cockpit of a vehicle a safety intervention system for a vehicle, and a vehicle, which allow for a vehicle to provide comfortable experience to occupants and also allow for an improvement in a safety protection function for occupants.
  • the present invention provides an adjustment system for a safety intervention of a cockpit of a vehicle.
  • the adjustment system includes: an occupant observation unit configured to obtain occupant observation information of an occupant inside a vehicle; an exterior observation unit configured to obtain collision information corresponding to an obstacle outside the vehicle; and an adjustment unit configured to adjust a seat safety system based on the collision information and the occupant observation information, to position the occupant in a safe pose, where the seat safety system includes a seat with an integrated seat belt system.
  • the adjustment system further includes a height adjustment unit; and the height adjustment unit is configured to: adjust a position of an upper end fixator of a seat belt on a seat to which the fixator belongs.
  • the adjustment system further includes: a seat adjustment unit configured to adjust a position and a backrest angle of the seat based on the collision information and the occupant observation information.
  • the adjustment system further includes a buckle adjustment unit; and the buckle adjustment unit is configured to: adaptively adjust an inclination angle of the buckle as the backrest angle of the seat is adjusted, to adapt a safety belt buckle to a pose of an occupant.
  • the collision information includes a collision probability
  • the exterior observation unit is configured to determine the collision probability based on the data of the exterior obstacle and motion data of a self-vehicle; and when the collision probability is greater than a first threshold, the adjustment unit adjusts the seat safety system to position the seat safety system in a target constrained state.
  • the collision information further includes a relative speed and/or a collision overlap rate
  • the adjustment unit adjusts a seat safety system based on the relative speed and/or the collision overlap rate, to position the seat safety system in a corresponding target constrained state.
  • the adjustment system further includes: when the collision probability is greater than the first threshold, the adjustment unit adjusts the seat belt system on the seat to place a seat belt in a tensioned state and hold the occupant tightly against a seat back.
  • the adjustment system further includes: a current state obtaining unit configured to obtain current state data of the seat, where the adjustment unit is further configured to: adjust a seat safety system based on the current state data and the occupant observation information, to obtain a safety constraint in a current state.
  • the occupant observation information includes body types, and the body types respectively include body types respectively corresponding to one or more of population percentiles 5%, 10%, 50%, 90%, and 95%.
  • the adjustment system further includes: a collision absorption and prevention unit located below the seat and including a seat supporting mechanism and a controllable collapsing mechanism, where the collision absorption and prevention unit is configured to: release the support for the seat upon reception of collision information by the seat supporting mechanism, allowing the controllable collapsing mechanism to be collapsed and deformed under the action of gravity of the seat and the occupant, to adsorb an impact force caused by a collision and provide protection for a spine part of the occupant.
  • a collision absorption and prevention unit located below the seat and including a seat supporting mechanism and a controllable collapsing mechanism, where the collision absorption and prevention unit is configured to: release the support for the seat upon reception of collision information by the seat supporting mechanism, allowing the controllable collapsing mechanism to be collapsed and deformed under the action of gravity of the seat and the occupant, to adsorb an impact force caused by a collision and provide protection for a spine part of the occupant.
  • the collision absorption and prevention unit is disposed between a seat cushion of the seat and a bottom portion of the cockpit of the vehicle.
  • controllable collapsing mechanism includes a plastic deformable component.
  • the plastic deformable component includes an aluminum honeycomb board.
  • the occupant observation unit may obtain the occupant observation information based at least on information from a TOF camera.
  • the present invention further provides a safety intervention system for a vehicle, including: an adjustment system as described in any one of the foregoing embodiments, at least one seat safety system corresponding to the adjustment system, at least one TOF camera corresponding to the adjustment system, and at least one obstacle sensor corresponding to the adjustment system.
  • the obstacle sensor is configured to obtain obstacle data, and the obstacle data includes a size, a motion speed, and a direction of an obstacle.
  • the adjustment system is configured to: calculate an expected collision speed and a collision surface coverage rate corresponding to an obstacle and a self-vehicle based on vehicle collision data from a cloud database and a simulation result from a simulation database, where the collision surface coverage rate represents a ratio of the area of an expected collision surface to the area of an outer side surface of a vehicle.
  • the safety intervention system further includes an airbag system, where the airbag system is configured to:
  • the present invention further provides a vehicle, which uses a safety intervention system as described above.
  • the present invention has the following advantages: In the technical solutions of the present application, when a vehicle reaches a set condition during operation, various execution mechanisms on a seat are driven in advance to return a seat posture to a normal sitting position, to prevent and reduce occupant injuries and improve the safety of the vehicle during operation.
  • FIG. 1 is a schematic diagram of the composition of an adjustment system for a safety intervention of a cockpit of a vehicle according to an embodiment of the present application.
  • FIG. 2 is a schematic diagram of the composition of a safety intervention system for a vehicle according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of adjusting upper end height of a seat belt by an upper end fixator of a seat belt according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a process of adaptively adjusting a buckle of a seat safety system according to an embodiment of the present application.
  • FIG. 5 is a schematic diagram of the composition of an adjustment system for a safety intervention of a cockpit of a vehicle according to an embodiment of the present application.
  • FIG. 6 is a flowchart of an adjustment method for a safety intervention of a cockpit of a vehicle according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of the constitution of a collision absorption and prevention unit in an adjustment system for a safety intervention of a cockpit of a vehicle according to an embodiment of the present application.
  • FIG. 8 is a schematic diagram of a process of action of a collision absorption and prevention unit in an adjustment system for a safety intervention of a cockpit of a vehicle according to an embodiment of the present application.
  • FIG. 9 is a schematic diagram of a process of action of a collision absorption and prevention unit in an adjustment system for a safety intervention of a cockpit of a vehicle according to an embodiment of the present application.
  • the words “a” , “an” , “said” , and/or “the” do not specifically refer to the singular, but may also include the plural.
  • the terms “include” and “comprise” only suggest that the expressly identified steps and elements are included, but these steps and elements do not constitute an exclusive list, and the method or device may further include other steps or elements.
  • orientations or position relationships indicated by orientation terms such as “front, rear, up, down, left, and right” , “transverse, vertical, perpendicular, and horizontal” , and “top and bottom” are generally based on orientations or position relationships shown in the drawings and are merely for ease of description of the present application and simplification of the description, rather than indicating and implying that the apparatuses or elements referred to must have a specific orientation or be constructed and operated in a specific orientation if there is no explanation to the contrary, and therefore cannot be construed as limiting the scope of protection of the present application.
  • the orientation terms “interior and exterior” refer to inside and outside relative to a contour of each component itself.
  • spatial relative terms such as “over ... ” , “above ... ” , “on upper surface of ... ” , and “on ... ” may be used here to describe a spatial position relationship between one device or feature and another device or feature as shown in the figures. It should be understood that the spatial relative terms are intended to encompass different orientations of the device in use or operation, in addition to the orientation of the device described in the figure. For example, if devices in the figure are inverted, the device described as “above” or “over” another device or structure will later be positioned as “below” or “under” another device or structure. Therefore, the exemplary term “above ... ” may include both “above ... ” and “below ... ” orientations. The device may also be positioned in other different ways (rotated by 90 degrees or in other orientations) , and the spatial relative descriptions used here are interpreted accordingly.
  • first component when a first component is said to be “in electrical contact with” or “electrically coupled to” a second component, there is an electrical path between the first component and the second component that allows the flow of current.
  • the electrical path can include a capacitor, coupled inductors, and/or other components that allow the flow of current, even without direct contact between conductive components.
  • a flowchart is used in the present application to illustrate the operations performed by the system according to the embodiments of the present application. It should be understood that the above or following operations are not necessarily performed exactly in order. Instead, the various steps may be processed in reverse order or simultaneously. In addition, other operations are added to these processes, or a certain step or several operations are removed from these processes.
  • the embodiments of the present invention describe an adjustment system and method for a safety intervention of a cockpit of a vehicle, a safety intervention system for a vehicle, and a vehicle.
  • FIG. 1 is a schematic diagram of the composition of an adjustment system for a safety intervention of a cockpit of a vehicle according to an embodiment of the present application.
  • the adjustment system 100 for a safety intervention of a cockpit of a vehicle (which may also be referred to as adjustment system 100 for short) includes an occupant observation unit 111, an exterior observation unit 112, and an adjustment unit 101.
  • the occupant observation unit 111 is configured to obtain in-vehicle occupant observation information, i.e., observation information of an occupant inside a vehicle.
  • the exterior observation unit 112 is configured to obtain collision information corresponding to an obstacle outside the vehicle.
  • the obstacle outside the vehicle includes, for example, an exterior obstacle in a region adjacent to the vehicle.
  • the occupant observation information includes, for example, poses, body types, or weight data of occupants.
  • the weight data is obtained, for example, by means of a mass sensor mounted on a seat.
  • Various components of the adjustment system for a safety intervention of a cockpit of a vehicle are connected or coupled to each other over an in-vehicle interconnect network, such as a CAN bus, for the transmission of data and instructions.
  • an in-vehicle interconnect network such as a CAN bus
  • the adjustment unit 101 is configured to adjust a seat safety system based on the collision information and the occupant observation information, to position the occupant in a safe pose, where the seat safety system includes a seat with an integrated seat belt system.
  • the occupant observation unit may obtain the occupant observation information based at least on information from a time of flight (TOF) camera (sensor) .
  • TOF time of flight
  • the adjustment system further includes a height adjustment unit.
  • the adjustment system 100 further includes a height adjustment unit 118.
  • the height adjustment unit 118 is configured to adjust a position of an upper end fixator of a seat belt on a seat to which the fixator belongs.
  • the adjustment system further includes a seat adjustment unit 114.
  • the seat adjustment unit 114 is configured to adjust a position and a backrest angle of the seat based on the collision information and the occupant observation information.
  • the position of the seat includes a position (which may also be referred to as stroke) of a space corresponding to a cushion.
  • the seat adjustment unit 114 includes a motor for rotating a seat backrest and a motor for adjusting a seat cushion stroke; and the upper end fixator of the seat belt includes a motor for adjusting upper end height of the seat belt.
  • the seat adjustment unit 114 is, for example, configured to adjust the cushion stroke and a backrest angle by controlling the motor for rotating a seat backrest and the motor for adjusting a seat cushion stroke, and adjust the upper end height of the seat belt by controlling the motor for adjusting upper end height of the seat belt. Control of an adjustment amount and an adjustment speed can be implemented by controlling different motors.
  • the adjustment system further includes a buckle adjustment unit.
  • the adjustment system 100 further includes a buckle adjustment unit 116.
  • the buckle adjustment unit 116 is configured to adaptively adjust an inclination angle of the buckle as the backrest angle of the seat is adjusted, to adapt a safety belt buckle to a pose of an occupant.
  • FIG. 4 is a schematic diagram of a process of adaptively adjusting a buckle of a seat safety system according to an embodiment of the present application.
  • the seat safety system includes a buckle 403 which is adapted to the seat belt and located on a first side of a cushion 402.
  • the buckle adjustment unit 116 is configured to adaptively adjust an inclination angle of the buckle as an angle of the seat backrest 401 is adjusted, to adapt a safety belt buckle to a pose of an occupant. Specifically, the adjustment is performed, for example, in adjustment directions A1 and A2 in FIG. 4.
  • the collision information includes a collision probability
  • the exterior observation unit 112 is configured to determine the collision probability based on the data of the exterior obstacle and motion data of a self-vehicle.
  • the adjustment unit adjusts the seat safety system to position the seat safety system in a target constrained state.
  • the target constrained state includes, for example, an initial constrained state, and more specifically, the initial constrained state may include an initial stroke position of the seat and an initial backrest angle of the seat.
  • the collision information further includes a relative speed and/or a collision overlap rate.
  • the adjustment unit 101 adjusts a seat safety system based on the relative speed and/or the collision overlap rate, to position the seat safety system in a corresponding target constrained state.
  • the target constrained state may include the initial constrained state.
  • different target constrained states may be set according to different relative speeds and collision overlap rates, and accordingly, there may be different adjustment parameters for the stroke position of the seat and the backrest angle of the seat.
  • intervals corresponding to several thresholds may also be set, and the seat safety system is adjusted depending on an interval corresponding to the threshold into which different relative speeds and collision overlap rates fall, so that the seat safety system is in the corresponding target constrained state.
  • the adjustment unit 101 adjusts the seat belt system on the seat to place a seat belt in a tensioned state and hold the occupant tightly against a seat back, that is to say, playing the role of giving, by an active seat belt, an early warning to hold the occupant tightly against the seat.
  • the adjustment system for a safety intervention of a cockpit of a vehicle further includes a current state obtaining unit.
  • the current state obtaining unit is configured to obtain current state data of the seat.
  • FIG. 5 is a schematic diagram of the composition of an adjustment system for a safety intervention of a cockpit of a vehicle according to an embodiment of the present application.
  • the adjustment system 100 further includes a current state obtaining unit 119 configured to obtain current state data of a seat.
  • the adjustment unit is further configured to adjust a seat safety system based on the current state data and the occupant observation information, to obtain a safety constraint in a current state.
  • the seat safety system may be adjusted specifically by controlling a height adjustment unit to adjust a position of an upper end fixator of a seat belt on a seat to which the fixator belongs.
  • the upper end fixator of the seat belt is, for example, located above a first side of a seat backrest.
  • the occupant observation information includes body types, and the body types respectively include body types respectively corresponding to one or more of population percentiles 5%, 10%, 50%, 90%, and 95%.
  • the population percentile 5%means that there are 5%of the population have a size less than a percentage value 5%, which can indicate a small body size.
  • the population percentile 50%means that there are 50%of the population have a size less than a percentage value 50%, which can indicate a medium body size.
  • the population percentile 90%or 95%means that there are 90%or 95%of the population have a size less than a percentage value 90%or 95%, which can indicate a large body size.
  • small body size is expressions for ease of understanding during classification of body size data, and they can also be expressed as “first-type body size” , “second-type body size” , and “third-type body size” .
  • FIG. 3 is a schematic diagram of adjusting upper end height of a seat belt by an upper end fixator of a seat belt according to an embodiment of the present application.
  • FIG. 3 are schematic diagrams in which the upper end fixator 301 of the seat belt adjusts the upper end height of the seat belt when the occupant 302 with a body type corresponding to the population percentile 50%is located at a first backrest angle and at a second backrest angle, respectively.
  • FIG. 3 are schematic diagrams in which the upper end fixator 301 of the seat belt adjusts the upper end height of the seat belt when the occupant 303 with a body type corresponding to the population percentile 5%is located at a first backrest angle and at a second backrest angle, respectively.
  • the adjustment system 100 for a safety intervention of a cockpit of a vehicle according to the present application includes a collision absorption and prevention unit.
  • FIG. 7 is a schematic diagram of the constitution of a collision absorption and prevention unit in an adjustment system for a safety intervention of a cockpit of a vehicle according to an embodiment of the present application.
  • the collision absorption and prevention unit 700 is located below the seat 710. More specifically, the collision absorption and prevention unit 700 is disposed between a seat cushion 711 and a bottom portion 721 of the cockpit of the vehicle.
  • the collision absorption and prevention unit 700 includes a seat supporting mechanism 701 and a controllable collapsing mechanism 702.
  • the collision absorption and prevention unit 700 is configured to: release the support for the seat 710 upon reception of collision information by the seat supporting mechanism 701, allowing the controllable collapsing mechanism 702 to be collapsed and deformed under the action of gravity of the seat 710 and the occupant 723, to adsorb an impact force caused by a collision and provide protection for a spine part of the occupant.
  • FIG. 8 is a schematic diagram of a process of action of a collision absorption and prevention unit in an adjustment system for a safety intervention of a cockpit of a vehicle according to an embodiment of the present application.
  • FIG. 9 is a schematic diagram of a process of action of a collision absorption and prevention unit in an adjustment system for a safety intervention of a cockpit of a vehicle according to an embodiment of the present application.
  • the seat supporting mechanism 701 includes, for example, a snap-fit mechanism or a connection mechanism 728.
  • the snap-fit mechanism or the connection mechanism 728 is adjusted to release the support of the seat supporting mechanism 701 for the seat 710, allowing the controllable collapsing mechanism 702 to be collapsed and deformed under the action of gravity G of the seat 710 and the occupant 723.
  • the controllable collapsing mechanism includes a plastic deformable component.
  • the plastic deformable component includes an aluminum honeycomb board.
  • the aluminum honeycomb board is collapsed and deformed under the action of gravity G of the seat 710 and the occupant 723, to adsorb an impact force caused by a collision, so as to provide protection for a spine part of the occupant.
  • the present application further provides a safety intervention system for a vehicle.
  • the safety intervention system includes, for example, an adjustment system as described above, and further includes at least one seat safety system corresponding to the adjustment system, at least one TOF camera corresponding to the adjustment system, and at least one obstacle sensor corresponding to the adjustment system.
  • the obstacle sensor is configured to obtain obstacle data, and the obstacle data includes a size, a motion speed, and a direction of an obstacle.
  • the obstacle sensor can obtain sensing data from a laser radar, a millimeter wave radar and a camera mounted outside the vehicle.
  • the adjustment system is configured to: calculate an expected collision speed and a collision surface coverage rate corresponding to an obstacle and a self-vehicle based on vehicle collision data from a cloud database and a simulation result from a simulation database.
  • the collision surface coverage rate represents a ratio of the area of an expected collision surface to the area of an outer side surface of a vehicle.
  • the outer side surface of the vehicle includes one or more of a front side surface, a rear side surface, a left side surface, and a right side surface of the vehicle.
  • the safety intervention system for a vehicle further includes an airbag system.
  • FIG. 2 is a schematic diagram of the composition of a safety intervention system for a vehicle according to an embodiment of the present application.
  • the safety intervention system 200 for a vehicle further includes an airbag system 115, and the airbag system is configured to: start an airbag action unit of the airbag system 115 based on collision information obtained by the exterior observation unit 112.
  • the airbag action unit includes, for example, a front airbag, a curtain airbag, and a side airbag.
  • the present application further provides a vehicle, which uses the safety intervention system as described above, to implement safety pre-warning and intervention functions for occupants in the vehicle.
  • the present application further provides an adjustment method for a safety intervention of a cockpit of a vehicle.
  • FIG. 6 is a flowchart of an adjustment method for a safety intervention of a cockpit of a vehicle according to an embodiment of the present application.
  • the adjustment method for a safety intervention of a cockpit of a vehicle includes: step 601 of obtaining occupant observation information of an occupant inside a vehicle; step 602 of obtaining collision information corresponding to an obstacle outside the vehicle; and step 603 of adjusting a seat safety system based on the collision information and the occupant observation information, to position the occupant in a safe pose.
  • the adjustment method for a safety intervention of a cockpit of a vehicle further includes adjusting a position of an upper end fixator of a seat belt on a seat to which the fixator belongs.
  • the adjustment method for a safety intervention of a cockpit of a vehicle further includes adjusting a position and a backrest angle of the seat based on the collision information and the occupant observation information. More specifically, the adjustment method for a safety intervention of a cockpit of a vehicle may further include adaptively adjusting an inclination angle of the buckle as the backrest angle of the seat is adjusted, to adapt a safety belt buckle to a pose of an occupant.
  • the adjustment method for a safety intervention of a cockpit of a vehicle further includes determining the collision probability based on data of the exterior obstacle and motion data of a self-vehicle. When the collision probability is greater than a first threshold, the adjustment unit adjusts the seat safety system to position the seat safety system in a target constrained state.
  • the adjustment system and method for a safety intervention of a cockpit of a vehicle, and a safety intervention system for a vehicle according to the present application are combined with poses of occupants that are detected by an observation unit in an occupant compartment (or referred to as a cockpit) , as well as observation information about the surroundings of a vehicle, such that when a set condition (such as an emergency state enabling condition) is met, various execution mechanisms on a seat are driven in advance to return a seat posture to a normal sitting position, to prevent and reduce occupant injuries and improve the safety of the vehicle during operation.
  • a set condition such as an emergency state enabling condition
  • the present application uses specific terms to describe the embodiments of the present application.
  • “one embodiment” , “an embodiment” , and/or “some embodiments” mean a feature, structure, or characteristic associated with at least one embodiment of the present application. Therefore, it should be emphasized and noted that two or more references to “an embodiment” or “one embodiment” or “an alternative embodiment” in various places in this specification do not necessarily indicate the same embodiment. Furthermore, some features, structures, or characteristics of the one or more embodiments of the present application may be combined appropriately.
  • Some aspects of the present application may be completely executed by hardware, or may be completely executed by software (including firmware, resident software, microcode, etc. ) , or may be executed by a combination of hardware and software, for example, an electronic control unit.
  • the hardware or software described above may all be referred to as “data block” , “module” , “engine” , “unit” , “component” , or “system” .
  • the processor may be one or more application-specific integrated circuits (ASICs) , digital signal processors (DSPs) , digital signal processing devices (DSPDs) , programmable logic devices (PLDs) , field-programmable gate arrays (FPGAs) , processors, controllers, microcontrollers, microprocessors, or a combination thereof.
  • ASICs application-specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGAs field-programmable gate arrays
  • processors controllers, microcontrollers, microprocessors, or a combination thereof.
  • the computer-readable media may include, but are not limited to, a magnetic storage device (for example, a hard disk, a floppy disk, a tape...
  • an optical disc for example, a compact disc (CD) , a digital versatile disc (DVD) ...
  • DVD digital versatile disc
  • a smart card for example, a card, a stick, a key drive...
  • a flash memory device for example, a card, a stick, a key drive...

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Seats For Vehicles (AREA)

Abstract

La présente invention concerne un système et un procédé de réglage pour une intervention de sécurité d'un cockpit d'un véhicule, un système d'intervention de sécurité pour un véhicule, et un véhicule. Le système de réglage comprend : une unité d'observation d'occupant configurée pour obtenir des informations d'observation d'occupant d'un occupant à l'intérieur d'un véhicule ; une unité d'observation extérieure configurée pour obtenir des informations de collision correspondant à un obstacle à l'extérieur du véhicule ; et une unité de réglage configurée pour régler un système de sécurité de siège sur la base des informations de collision et des informations d'observation d'occupant, pour positionner l'occupant dans une pose sûre, le système de sécurité de siège comprenant un siège avec un système de ceinture de sécurité intégré. La présente invention peut permettre l'amélioration de la sécurité des occupants dans un véhicule pendant le fonctionnement.
PCT/CN2023/107524 2022-07-15 2023-07-14 Système et procédé de réglage pour une intervention de sécurité d'un véhicule, système d'intervention de sécurité pour véhicule et véhicule Ceased WO2024012579A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202210836027.9 2022-07-15
CN202210836027 2022-07-15
CN202310826503.3 2023-07-06
CN202310826503.3A CN117400795A (zh) 2022-07-15 2023-07-06 车辆安全干预调节系统和方法、车辆安全干预系统和车辆

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WO2024012579A1 true WO2024012579A1 (fr) 2024-01-18

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2369772A (en) * 2000-12-08 2002-06-12 Ford Global Tech Inc Motor vehicle safety seat arrangement
WO2018167945A1 (fr) * 2017-03-17 2018-09-20 本田技研工業株式会社 Dispositif de protection d'occupants
US20190299897A1 (en) * 2018-03-31 2019-10-03 Veoneer Us Inc. Enhanced occupant seating inputs to occupant protection control system for the future car
WO2020052766A1 (fr) * 2018-09-13 2020-03-19 Volvo Truck Corporation Siège arrière dynamique coulissant après impact dans un véhicule utilitaire
US20200298780A1 (en) * 2019-03-19 2020-09-24 Subaru Corporation Passenger protection apparatus
WO2022071408A1 (fr) * 2020-09-30 2022-04-07 テイ・エス テック株式会社 Dispositif de siège de véhicule

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2369772A (en) * 2000-12-08 2002-06-12 Ford Global Tech Inc Motor vehicle safety seat arrangement
WO2018167945A1 (fr) * 2017-03-17 2018-09-20 本田技研工業株式会社 Dispositif de protection d'occupants
US20190299897A1 (en) * 2018-03-31 2019-10-03 Veoneer Us Inc. Enhanced occupant seating inputs to occupant protection control system for the future car
WO2020052766A1 (fr) * 2018-09-13 2020-03-19 Volvo Truck Corporation Siège arrière dynamique coulissant après impact dans un véhicule utilitaire
US20200298780A1 (en) * 2019-03-19 2020-09-24 Subaru Corporation Passenger protection apparatus
WO2022071408A1 (fr) * 2020-09-30 2022-04-07 テイ・エス テック株式会社 Dispositif de siège de véhicule

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