WO2022257847A1 - 一种用于安全带卷收器的控制组件以及汽车座椅 - Google Patents

一种用于安全带卷收器的控制组件以及汽车座椅 Download PDF

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WO2022257847A1
WO2022257847A1 PCT/CN2022/096808 CN2022096808W WO2022257847A1 WO 2022257847 A1 WO2022257847 A1 WO 2022257847A1 CN 2022096808 W CN2022096808 W CN 2022096808W WO 2022257847 A1 WO2022257847 A1 WO 2022257847A1
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Prior art keywords
motor
retractor
electric motor
seat
control assembly
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PCT/CN2022/096808
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English (en)
French (fr)
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陈栩
王振华
唐勋
胡流东
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延锋国际汽车技术有限公司
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Priority to EP22819445.2A priority Critical patent/EP4309963A1/en
Publication of WO2022257847A1 publication Critical patent/WO2022257847A1/zh

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    • 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
    • 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
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/34—Belt retractors, e.g. reels

Definitions

  • the present disclosure relates to automobiles, and more particularly to a control assembly for a seat belt retractor and a car seat.
  • the vehicle safety belt is an important part of the vehicle passive safety system.
  • the shaped webbing can restrain the occupant, the webbing can be retracted through the mandrel of the seat belt retractor, and can be fixed to the vehicle through the lock tongue.
  • Some known safety belt retractors are equipped with a vehicle sensing device, which can be used as a mechanical sensor in the safety belt retractor to sense the state of the vehicle, such as the acceleration and inclination angle of the vehicle.
  • the vehicle sensing device can sense the emergency state, and can promote the locking of the mandrel of the seat belt retractor, preventing the webbing from continuing to be drawn out from the mandrel, so that the occupant can be well restrained by the webbing and thus obtain a good safety. security protection.
  • CN212332592U discloses a kind of angle adjustment plate assembly for seat belt retractor.
  • the vehicle sensing device On the predetermined initial position of the backrest, the vehicle sensing device is in the vertical orientation basically, and the seat belt can be pulled out normally at this time;
  • the initial position is adjusted backward by a certain angle, on the one hand, this will cause the vehicle sensor device to deviate from the vertical orientation at this angle, and on the other hand, it will simultaneously cause the angle adjustment disc assembly to pull the core wire assembly and finally cause the vehicle sensor device to be in the opposite direction.
  • the other angle can at least partially compensate for the aforementioned angle, especially preferably substantially completely compensate for the aforementioned angle and thus allow the vehicle sensor device to remain essentially in a vertical orientation.
  • this known adjustment method is not suitable for more various seats, such as seats with an integral inclination adjustment function or height adjustment of the seat cushion.
  • the seat cushion and the backrest will move at the same time, the angle of the backrest relative to the vertical direction will change, and the car sensor device in the retractor will deviate from the vertical orientation; while the relative position of the seat cushion and the backrest will not change, the adjustment The corner plate assembly will not function, causing the car sensor to deviate from the vertical orientation and the seat belt will not pull out properly.
  • the present disclosure provides a control assembly for a seat belt retractor and a car seat.
  • control assembly for the seat belt retractor of the present disclosure includes a first motor, a second motor, a control module, a third motor and the retractor, and the control module is connected with the first motor, the second motor and the third motor respectively.
  • the motors are connected to collect the rotation signals of the first motor and the second motor and output compensation signals to the third motor, the rotations of the first motor and the second motor are related to the angle of the retractor, and the third motor is connected to the retractor to Directly compensates for the angle of the retractor.
  • control assembly further includes a cable, and the retractor is connected to the third motor through the cable.
  • both the first motor and the second motor are Hall motors.
  • the retractor has a rotatable vehicle sensor connected to the third motor.
  • the car seat of the present disclosure includes the above-mentioned control assembly.
  • the car seat includes a seat cushion and a backrest, wherein the seat cushion is rotatably mounted on the floor of the car, and the backrest is rotatably mounted on the seat cushion.
  • the retractor is secured to the backrest.
  • the third motor is mounted on the side panel of the backrest through a mounting plate.
  • the first motor is mounted on the seat to adjust the movement of the seat and its rotation directly affects the angle of the retractor
  • the second motor is mounted on the backrest to adjust the folding of the backrest and its rotation directly affects the retractor Angle.
  • control module is mounted on the seat cushion.
  • control module collects the signals of the first motor and the second motor, outputs the compensation signal in real time and transmits it to the third motor, and the third motor adjusts the retractor accordingly , so that the seat belt can be used normally during the full adjustment stroke of the seat.
  • FIG. 1 is a schematic diagram of the overall structure of a car seat including a control assembly for a seat belt retractor according to a preferred embodiment of the present disclosure
  • FIG. 2 is a partially enlarged view of FIG. 1 .
  • a car seat according to a preferred embodiment of the present disclosure includes a seat cushion 1 and a backrest 2, wherein the seat cushion 1 is rotatably installed on the floor of the car, for example to realize the overall inclination adjustment or height adjustment of the seat cushion, and the backrest 2 It is rotatably installed on the cushion 1 so as to be foldable relative to the cushion 1 .
  • the car seat also includes a control assembly 3 for a safety belt retractor, wherein the control assembly 3 includes a first motor 31, a second motor 32, a control module (ECU) 33, a third motor 34.
  • the retractor 35 and the cable 36 wherein the first motor 31 is installed on the seat cushion 1 to adjust the rotation of the seat cushion 1, the second motor 32 is installed on the backrest 2 to adjust the folding of the backrest 2, and the control module 33 is installed On the seat cushion 1 and connected with the first motor 31 and the second motor 32 respectively, the third motor 34 is installed on the side plate of the backrest 2 and connected with the control module 33 through the mounting plate 341 (referring to FIG. 2 ) with bolts.
  • the device 35 is fixed on the backrest 2 and connected with the third motor 34 through a cable 36 .
  • a rotatable vehicle sensing device 351 connected to the third motor 34 is integrated in the retractor 35 .
  • both the first motor 31 and the second motor 32 are Hall motors, and Hall sensors are respectively disposed therein.
  • the Hall sensor therein When the first motor 31 and the second motor 32 are moving, the Hall sensor therein generates a Hall signal, and the Hall signal is transmitted to the control module 33 .
  • the control module 33 receives a complete turn of the Hall signal, it outputs an adjustment signal to drive the third motor 34 to pull the vehicle sensing device 351 in the retractor 35 .
  • the control module 33 can calculate the posture of the seat adjustment by collecting the Hall signals of the first motor 31 and the second motor 32. For example, when realizing the overall inclination adjustment or height adjustment of the seat cushion, although the relative positions of the seat cushion 1 and the backrest 2 do not change, But the change of seat posture can control the third motor 34 to adjust the vehicle sensor device 351 in the retractor 35 in real time, so that the vehicle sensor device 351 always remains in the vertical orientation, so that the safety belt can be pulled out normally.
  • control module 33 extracts the rotation information of all motors that will affect the angle of the retractor 35 after adjustment.
  • the motors that affect the angle of the retractor 35 only include the first motor 31 and the second motor 32 . If there are other motors that can affect the angle of the retractor 35, they can be connected to the control module 33 to extract their rotation information through the control module 33.
  • control module 33 collects the Hall signals of the first motor 31 and the second motor 32, extracts the rotation information of the first motor 31 and the second motor 32, and superimposes the calculation seat by calculating the angle of seat cushion adjustment and the angle of backrest adjustment.
  • the posture of the chair is converted into the numerical value of the retractor 35 along with the rotation angle of the seat, and the angle information and the start signal that need to be compensated for the retractor 35 are output in real time, and the angle information and the start signal output by the control module 33 are transmitted to the third motor 34
  • the third motor 34 pulls the cable 36, and the cable 36 adjusts the vehicle sensing device 351 in the retractor 35, so that the seat belt can be used normally during the full adjustment stroke of the seat.
  • This control logic relies on the existing The technology is easy to implement and will not be repeated here.
  • the third motor 34 is adjusted in real time along with the adjustment of the seat, and the speed is equivalent to the speed of seat adjustment. Moreover, the third motor 34 provides a self-locking structure, and the self-locking structure ensures that the retractor 35 is in a stable state when the motor is not working or the power is cut off.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Automotive Seat Belt Assembly (AREA)

Abstract

提供了一种用于安全带卷收器的控制组件（3），其包括第一电机（31）、第二电机（32）、控制模块（33）、第三电机（34）和卷收器（35），控制模块（33）分别与第一电机（31）、第二电机（32）和第三电机（34）连接以采集第一电机（31）和第二电机（32）的转动信号并向第三电机（34）输出补偿信号，第一电机（31）和第二电机（32）的转动均与卷收器（35）的角度相关，第三电机（34）与卷收器（35）连接以直接补偿卷收器（35）的角度。还提供一种包括控制组件（3）的汽车座椅，控制模块（33）采集第一电机（31）和第二电机（32）的信号，实时输出补偿信号传递给第三电机（34），第三电机（34）据此调整卷收器（35），使得安全带在汽车座椅全调节行程中都可以正常使用。

Description

一种用于安全带卷收器的控制组件以及汽车座椅 技术领域
本公开涉及汽车，更具体地涉及一种用于安全带卷收器的控制组件以及汽车座椅。
背景技术
在车辆安全技术领域中，车辆安全带是车辆被动安全系统中的重要组成部分，用于在车辆出现紧急状况，例如紧急刹车、碰撞或者倾翻时，保护乘员的安全保护装置，其中，通过带状的织带可以束缚乘员，织带可以通过安全带卷收器的芯轴卷收，并且可以通过锁舌固定于车辆。
随着车辆技术的发展，用户对车辆座椅的舒适性的要求越来越高。在车辆座椅的发展中，座椅靠背的倾角已从固定不变演变为可调，而且可调角度越来越大。在一些商务车上甚至已经实现了座椅靠背的接近平躺的调整角度。一些已知的安全带卷收器配备车感装置，该车感装置(例如参见CN110027502A)可以作为安全带卷收器中的机械传感器来感知车辆状态，例如可以感知车辆的加速度和倾斜角度。当车辆发生紧急状态时，车感装置可以感知该紧急状态，并且可以促使安全带卷收器的芯轴锁止，阻止织带继续从芯轴抽出，使得乘员可以被织带良好地束缚并且从而获得良好的安全保护。
CN212332592U公开了一种用于安全带卷收器的调角盘组件，在靠背的预定的初始位置上，车感装置处于基本上竖直定向中，安全带此时能正常拉出；在靠背从初始位置向后调整一定角度时，这一方面导致车感装置相应地以该角度偏离竖直定向，另一方面同时导致调角盘组件对芯线组件的牵拉并且最终导致车感装置在相反方向上以另一个角度转动，所述另一个角度可以至少部分地补偿前述的角度，尤其优选基本上完全补偿前述的角度并且从而使得车感装置可以基本上保持在竖直定向中。但是，该已知的调节方式并不适用于更多样的座椅，比如带有坐垫整体倾角调节功能或者高度调节的座椅。当单独调节坐垫时，坐垫与靠背会同时运动，靠背相对于竖直方向的角度改变，卷收器中的车感装置会偏离竖直定向；而座椅坐垫与靠背相对位置没有变化，该调角盘组件将不会起作用，从而使得车感装置偏离竖直定向，安全带将不能正常拉出。
发明内容
为了解决上述现有技术中的调角盘组件在坐垫与靠背相对位置没有变化的情况下不 起作用的问题，本公开提供一种用于安全带卷收器的控制组件以及汽车座椅。
根据本公开的用于安全带卷收器的控制组件，其包括第一电机、第二电机，控制模块、第三电机和卷收器，控制模块分别与第一电机、第二电机和第三电机连接以采集第一电机和第二电机的转动信号并向第三电机输出补偿信号，第一电机和第二电机的转动均与卷收器的角度相关，第三电机与卷收器连接以直接补偿卷收器的角度。
在一些实施例中，该控制组件还包括拉索，卷收器通过拉索与第三电机连接。
在一些实施例中，第一电机和第二电机均为霍尔电机。
在一些实施例中，卷收器具有与第三电机连接的可转动的车感装置。
根据本公开的汽车座椅，其包括上述的控制组件。
在一些实施例中，该汽车座椅包括坐垫和靠背，其中，坐垫可转动地安装在汽车地板上，靠背可转动地安装于坐垫上。
在一些实施例中，卷收器固定于靠背上。
在一些实施例中，第三电机通过安装盘安装在靠背的侧板上。
在一些实施例中，第一电机安装在坐垫上以调节坐垫的移动且其转动直接影响卷收器的角度，第二电机安装在靠背上以调节靠背的翻折且其转动直接影响卷收器的角度。
在一些实施例中，控制模块安装在坐垫上。
本公开的用于安全带卷收器的控制组件和汽车座椅，控制模块采集第一电机和第二电机的信号，实时输出补偿信号传递给第三电机，第三电机据此调整卷收器，使得安全带在该座椅全调节行程中都可以正常使用。
附图说明
图1是包括根据本公开的一个优选实施例的用于安全带卷收器的控制组件汽车座椅的整体结构示意图；
图2是图1的局部放大图。
具体实施方式
下面结合附图，给出本公开的较佳实施例，并予以详细描述。
如图1所示，根据本公开的一个优选实施例的汽车座椅包括坐垫1和靠背2，其中，坐垫1可转动地安装在汽车地板上，例如实现坐垫整体倾角调节或者高度调节，靠背2可转动地安装于坐垫1上以相对于坐垫1可翻折。
如图1所示，汽车座椅还包括用于安全带卷收器的控制组件3，其中，该控制组件3包括第一电机31、第二电机32、控制模块(ECU)33、第三电机34、卷收器35和拉索36，其中，第一电机31安装在坐垫1上以调节坐垫1的转动，第二电机32安装在靠背2上以调节靠背2的翻折，控制模块33安装在坐垫1上并分别与第一电机31和第二电机32连接，第三电机34用螺栓通过安装盘341(参见图2)安装在靠背2的侧板上并与控制模块33连接，卷收器35固定于靠背2上并通过拉索36与第三电机34连接。如图2所示，卷收器35内集成有与第三电机34连接的可转动的车感装置351。
在本实施例中，第一电机31和第二电机32均为霍尔电机，其内分别设置有霍尔传感器。当第一电机31和第二电机32运动时，其内的霍尔传感器会产生霍尔信号，该霍尔信号传递到控制模块33。当控制模块33接收到一圈完整的霍尔信号之后，输出调节信号来驱动第三电机34，拉动卷收器35内的车感装置351。
控制模块33通过采集第一电机31和第二电机32的霍尔信号可以计算座椅调节的姿态，在例如实现坐垫整体倾角调节或者高度调节时，虽然坐垫1和靠背2的相对位置没有变化，但是座椅姿态的变化可以控制第三电机34实时调节卷收器35内的车感装置351，使得车感装置351总是保持在竖直定向中，使得安全带能够正常拉出。
应该理解，控制模块33提取所有调节后会影响卷收器35角度的电机的转动信息。在本实施例中，会影响卷收器35角度的电机仅包括第一电机31和第二电机32。如果还具有其他会影响卷收器35角度的电机，其可以与控制模块33连接以通过控制模块33来提取其转动信息。
应该理解，控制模块33采集第一电机31和第二电机32的霍尔信号，提取第一电机31和第二电机32的转动信息，通过计算坐垫调节的角度和靠背调节的角度后叠加计算座椅的姿态，转换为卷收器35随着座椅转动角度的数值，实时输出需要补偿卷收器35的角度信息和启动信号，控制模块33输出的角度信息和启动信号传递给第三电机34，第三电机34据此拉动拉索36，拉索36调整卷收器35内的车感装置351，使得安全带在该座椅全调节行程中都可以正常使用，该控制逻辑借助于现有技术很容易实现，在此不再赘述。
另外，第三电机34伴随着座椅的调节实时调节，速度与座椅调节的速度相当。而且，第三电机34提供自锁结构，该自锁结构在电机不工作或者断电情况下，保证卷收器35处于稳定状态。
以上所述的，仅为本公开的较佳实施例，并非用以限定本公开的范围，本公开的上述实施例还可以做出各种变化。即凡是依据本公开申请的权利要求书及说明书内容所作的简 单、等效变化与修饰，皆落入本公开专利的权利要求保护范围。本公开未详尽描述的均为常规技术内容。

Claims (10)

  1. 一种用于安全带卷收器的控制组件，其特征在于，该控制组件包括第一电机、第二电机，控制模块、第三电机和卷收器，控制模块分别与第一电机、第二电机和第三电机连接以采集第一电机和第二电机的转动信号并向第三电机输出补偿信号，第一电机和第二电机的转动均与卷收器的角度相关，第三电机与卷收器连接以直接补偿卷收器的角度。
  2. 根据权利要求1所述的控制组件，其特征在于，该控制组件还包括拉索，卷收器通过拉索与第三电机连接。
  3. 根据权利要求1所述的控制组件，其特征在于，第一电机和第二电机均为霍尔电机。
  4. 根据权利要求1所述的控制组件，其特征在于，卷收器具有与第三电机连接的可转动的车感装置。
  5. 一种汽车座椅，其特征在于，该汽车座椅包括根据权利要求1-4中任一项所述的控制组件。
  6. 根据权利要求5所述的汽车座椅，其特征在于，该汽车座椅包括坐垫和靠背，其中，坐垫可转动地安装在汽车地板上，靠背可转动地安装于坐垫上。
  7. 根据权利要求6所述的汽车座椅，其特征在于，卷收器固定于靠背上。
  8. 根据权利要求6所述的汽车座椅，其特征在于，第三电机通过安装盘安装在靠背的侧板上。
  9. 根据权利要求6所述的汽车座椅，其特征在于，第一电机安装在坐垫上以调节坐垫的移动且其转动直接影响卷收器的角度，第二电机安装在靠背上以调节靠背的翻折且其转动直接影响卷收器的角度。
  10. 根据权利要求6所述的汽车座椅，其特征在于，控制模块安装在坐垫上
PCT/CN2022/096808 2021-06-11 2022-06-02 一种用于安全带卷收器的控制组件以及汽车座椅 WO2022257847A1 (zh)

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Application Number Priority Date Filing Date Title
EP22819445.2A EP4309963A1 (en) 2021-06-11 2022-06-02 Control assembly for seat belt retractor and vehicle seat

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CN202121310753.4 2021-06-11
CN202121310753.4U CN215204794U (zh) 2021-06-11 2021-06-11 一种用于安全带卷收器的控制组件以及汽车座椅

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CN215204794U (zh) * 2021-06-11 2021-12-17 延锋国际座椅系统有限公司 一种用于安全带卷收器的控制组件以及汽车座椅
CN114162003B (zh) * 2021-12-30 2023-02-10 宁波均胜汽车安全系统有限公司 一种集成于零重力座椅的卷收器、安全带总成及座椅
CN117125022A (zh) * 2022-05-18 2023-11-28 延锋国际座椅系统有限公司 一种座椅角度补偿机构

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US6068340A (en) * 1998-06-01 2000-05-30 Takata Corporation Seat belt device
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