CN106004772A - 具有辅助腔的车辆侧面安全气囊 - Google Patents
具有辅助腔的车辆侧面安全气囊 Download PDFInfo
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- B60R21/232—Curtain-type airbags deploying mainly in a vertical direction from their top edge
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- B60R2021/01211—Expansion of air bags
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- B60R2021/01211—Expansion of air bags
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- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R2021/23107—Inflatable members characterised by their shape, construction or spatial configuration the bag being integrated in a multi-bag system
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
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Abstract
一种具有后腔、前腔和附接到前腔的辅助腔的侧帘式安全气囊。侧帘式安全气囊具有将辅助腔连接到帘式安全气囊的内侧板的撕裂缝合线和固定缝合线,从而使辅助腔在展开状态下占据驾驶员安全气囊和帘式安全气囊之间的间隙。
Description
背景技术
例如机动车的车辆可以包括用于保护乘客免受碰撞影响的设备,例如安全带、安全气囊和能量吸收机构。理想的是控制例如安全气囊的设备以适应特定的碰撞情况,例如引起车辆中乘客移动的对车辆的碰撞力。
正面碰撞是一种当两个车辆大致迎面地相互撞击时发生的碰撞。当车辆以相对于车辆纵轴线十五到三十度的角度正面撞击例如另一个车辆的物体时发生斜向碰撞。现今的车辆总体上胜任在正面偏置碰撞中保护乘客。然而,在斜向碰撞乃至一些正面碰撞中,增强的弹出减轻和侧面碰撞保护是需要的。
附图说明
图1是未展开状态下乘客保护***的一实例的立体图;
图2是展开状态下的图1的乘客保护***的立体图;
图3是邻近方向盘和展开的驾驶员安装气囊展开的辅助腔的剖视图;
图4是辅助腔的透视图;
图5A是具有对称折叠腔的辅助腔的剖视图;
图5B是具有非对称折叠腔的辅助腔的剖视图;
图5C是具有仅一个折叠腔的辅助腔的剖视图;
图6是具有在未展开状态下的辅助腔的车辆侧帘式安全气囊的俯视图;
图7是在展开状态下车辆侧帘式安全气囊和辅助腔的俯视图;
图8是乘客保护***的碰撞子***的框图。
具体实施方式
已经以说明的方式描述了本发明的主题,以及应当理解的是已经使用的术语旨在采用词语的描述性质而不是限制性质。依据下述教导,本发明的很多修改及改变是可能的,以及本发明也可以以除了具体的阐述的以外的方式来实施。
关于图示,其中在所有的图中相同的附图标记表明相同的部件,图1显示了未展开状态下乘客保护***100的一实例。为了说明的目的,显示乘员54处在具有安装在方向盘51中的驾驶员侧安全气囊(DAB)50的方向盘51前方(如图2所示)。
用安全带总成52将乘员54固定到车辆座椅58且因此乘员54定位在座椅58中。车架56和玻璃窗60也作为背景示出。
在斜向碰撞期间,例如当车辆以相对于车辆纵轴线十五到三十度的角度正面撞击例如另一车辆的物体时,包括在***100的碰撞传感子***20(如图8所示)中的控制器22启动触发机构11,触发机构11引起乘客保护***100展开成如图2所示。进一步地,现参考图2-3,除了驾驶员安全气囊50,***100还包括具有后腔71、前腔72和附接到前腔72的侧面的侧面辅助腔73的侧面安全气囊70。当在斜向碰撞期间乘员54(包括他的或她的头部57)运动时,利用侧面辅助腔73通过帮助防止乘员的头部57从DAB 50滑落来为乘员54的头部57提供附加缓冲和能量吸收。此外并有利地,侧面辅助腔73和/或DAB 50设置有提供额外的缓冲的反作用面。可以是楔形的展开的辅助腔73填充了否则将要存在于DAB 50和帘式安全气囊70之间的间隙。在本实例中侧面辅助腔73的形状是楔形,但是可以使用其它形状,例如矩形、椭圆、梨形、沙漏形或弹头形;总之,腔73应当填充在DAB 50和帘式安全气囊70之间的间隙。
如图4中最佳示出,将包括腔71、72和73的帘式安全气囊70通过安装总成125安装到刚性表面,例如车辆的侧车架部分56。安装总成125通常是已知的用于附接侧面安全气囊70或类似部件到车架56的常规部件。在展开时利用充气机气体入口120充气帘式安全气囊70的腔。帘式安全气囊70还具有最佳设置的压制垫(squelch pad)130或死点,例如已知的设置在腔71、72上以按照预定的方式加速其膨胀的那些。垫130安置在帘式安全气囊70上的不需要填充或可以在部分充气的情况下起作用的帘式安全气囊区域中,例如,垫130可以与不需要额外保护的例如车辆座椅或头枕的固定实体物品130相邻。
图5A说明了辅助腔73在包括在帘式安全气囊70的前腔72内的存储袋135中的未展开存储。辅助腔73通过缝合线158永久的固定到前腔72的内侧板160,而撕裂缝合线154也将未展开辅助腔73附接到前腔72的内侧板160。在展开时,例如已知的是,辅助腔73通过挡板通气口156从前腔72填充气体。随着辅助腔73充气,撕裂缝合线154破裂且辅助腔73充气并且设置在DAB 50和帘式安全气囊70之间。
应该注意的是辅助腔73的未展开的折叠模式或打褶会随着辅助腔73的形状而变化,即如图5B所示,左部分171折叠模式和右部分172折叠模式可以是不对称的。在另一个实例中,如图5C中所示,未展开的辅助腔73的一部分可以不包括任何折叠或打褶。左部分171是折叠的且右部分172未折叠。
缝合158是固定缝合且可以被用于将辅助腔73附着到前腔72的一些其他机构替代,例如胶、化学焊接、U形钉或一些其它这样的机构。在另一个实施例中,辅助腔73和帘式安全气囊70可以通过例如公知的注塑成型***或其它任何安全气囊制造方法同时共同成形。
将辅助腔73连接到帘式安全气囊70(例如连接到前腔72)的挡板通气口156的尺寸、形状和位置是可以根据车型、尺寸、内部结构等变化的参数的实例。总之,参数可以用于优化辅助腔73的部署。例如,能够具体指定挡板通气口156的尺寸以适应特定的车辆尺寸和车型。此外,辅助腔73本身的尺寸、形状和位置对于确保DAB 50和帘式安全气囊70之间的间隙(即物理空间)最小化或不存在也很重要。如上所述,辅助腔73的可用形状是楔形。回顾图2,其中可见具有楔形的形状且填充DAB 50和帘式安全气囊70之间的间隙的展开的辅助腔73。
在一个实施例中,包括在***100中的控制器22(参见图8)会执行程序以确定辅助腔73是否应当展开,即,碰撞的严重程度不超过储存在控制器22的存储器76中的预定阈值,则因此,***可以在每次发生安全气囊70的展开和充气时不使辅助腔73充气。图6是显示在帘式安全气囊70上的未展开辅助腔73的布置的立体图。另外,***100可以确定使辅助腔73与帘式安全气囊70一起充气。图7是显示在帘式安全气囊70上的展开的辅助腔73的布置的另一立体图。
作为补充或替换,调整***100的参数以适应特定车型的另一个方法是根据特定车型所需的导致缝合线154撕裂的力来改变撕裂缝合线154的拉伸强度,和/或当将辅助腔73附接到侧板中时在撕裂缝合线154中使用不同图案。
乘客保护***100可以包括如上所述和如图8所示的碰撞传感子***20。碰撞传感子***20的控制器22总体上包括处理器74和存储器76。存储器76存储由处理器74可执行的指令,其例如以己知的方式确定斜向碰撞。控制器22大体上进一步编程为基于确定的斜向碰撞来引起触发机构11的启动,使乘客保护***100从未展开状态向展开状态转变。
例如所公知的碰撞传感器78通常与控制器72通信,以向控制器72传达数据。碰撞传感器78可以是例如所公知的任何合适的类型,例如一个或多个加速度计、雷达、激光雷达和/或视觉***。视觉***可以包括一个或多个摄像机,CCD(电荷耦合器件)影像传感器和/或CMOS(互补金属氧化物半导体)影像传感器等。基于碰撞传感器78传达的数据,控制器22可以引起触发机构11的启动。
车辆中的控制器22、碰撞传感器78、触发机构11和或其它部件之间的通信可以被连接到车辆的通信总线80,例如控制器局域网(ControllerArea Network,CAN)总线。控制器22可以使用来自通信总线80的信息以控制触发机构11的启动。,触发机构11可以连接到控制器22或可以如图8所示连接到通信总线80。
Claims (20)
1.一种侧帘式安全气囊,包括:
后腔,
前腔;
附接到所述前腔的辅助腔;以及
撕裂缝合线和固定缝合线,所述撕裂缝合线和所述固定缝合线将所述辅助腔连接到所述前腔的内侧板,从而使所述辅助腔在展开状态下占据驾驶员安全气囊和所述侧帘式安全气囊之间的间隙。
2.如权利要求1所述的安全气囊,其中所述辅助腔是楔形的。
3.如权利要求1所述的安全气囊,还包括所述前腔和所述辅助腔之间的挡板通气口。
4.如权利要求1所述的安全气囊,其中所述前腔包括至少一个压制垫。
5.如权利要求1所述的安全气囊,其中所述后腔包括至少一个压制垫。
6.如权利要求1所述的安全气囊,其中至少一个所述撕裂缝合线的抗拉强度被选择以优化所述帘式安全气囊的展开。
7.如权利要求1所述的安全气囊,其中所述撕裂缝合线的缝合图案和未展开的所述辅助腔的折叠模式被选择以优化所述辅助腔的展开。
8.如权利要求1所述的安全气囊,其中所述辅助腔的形状是矩形、椭圆、梨形、沙漏形或子弹形其中之一。
9.如权利要求1所述的安全气囊,还包括设置用以引起所述侧帘式安全气囊和所述驾驶员安全气囊的展开的触发机构。
10.如权利要求9所述的安全气囊,还包括具有处理器和存储器的控制器,所述存储器存储由所述处理器可执行的指令,该指令用以识别斜向碰撞,并且根据识别到所述斜向碰撞来引起所述触发机构的启动。
11.一种在斜向碰撞中展开包括前腔、后腔以及附接到所述前腔的辅助腔的车辆侧面安全气囊的方法,所述方法包括:
从至少一个碰撞传感器接收表明斜向碰撞的数据;
确定所述斜向碰撞的严重程度;以及
如果所述严重程度超过预定阈值,则发送第一指令到触发机构以引起所述前腔、所述后腔和所述辅助腔充气,但是如果所述严重程度未超过所述预定阈值,则发送第二指令到所述触发机构以仅引起所述前腔和所述后腔充气。
12.如权利要求3所述的方法,其中所述从至少一个碰撞传感器接收数据包括从由加速度计、雷达装置、激光雷达装置和视觉***组成的组中选择的至少一个接收数据。
13.如权利要求11所述的方法,其中所述从至少一个碰撞传感器接收数据包括通过控制器局域网(CAN)总线从所述至少一个碰撞传感器接收数据。
14.如权利要求11所述的方法,其中对将所述辅助腔连接到所述前腔的至少一个撕裂缝合线的抗拉强度进行选择以优化所述帘式安全气囊的展开。
15.如权利要求11所述的方法,其中对将所述辅助腔连接到所述前腔的撕裂缝合线的缝合图案和未展开时的所述辅助腔的折叠模式进行选择以优化所述辅助腔的展开。
16.一种控制器,包括处理器和存储器,所述存储器储存由所述处理器可执行的指令,包括如下指令:
由从至少一个碰撞传感器接收的数据识别斜向碰撞的发生;
确定所述数据是否表明所述斜向碰撞的严重程度超过预定阈值;以及
如果所述严重程度超过预定阈值,则发送第一指令到触发机构以引起侧安全气囊的前腔、后腔和辅助腔充气,但是如果所述严重程度未超过所述预定阈值,则发送第二指令到所述触发机构以仅引起所述前腔和所述后腔充气。
17.如权利要求16所述的***,其中所述至少一个碰撞传感器是加速度计、雷达装置、激光雷达装置和视觉***其中之一。
18.如权利要求16所述的***,其中来自所述至少一个碰撞传感器的数据是通过控制器局域网(CAN)总线接收的。
19.如权利要求16所述的***,其中将所述辅助腔连接到所述前腔的至少一个撕裂缝合线的抗拉强度被选择以优化所述帘式安全气囊的展开。
20.如权利要求16所述的***,其中将所述辅助腔连接到所述前腔的撕裂缝合线的缝合图案和未展开时的所述辅助腔的折叠模式被选择以优化所述辅助腔的展开。
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US14/675,348 US9994184B2 (en) | 2015-03-31 | 2015-03-31 | Vehicle side airbag with secondary chamber |
US14/675,348 | 2015-03-31 |
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CN106004772A true CN106004772A (zh) | 2016-10-12 |
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CN (1) | CN106004772B (zh) |
DE (1) | DE102016104897A1 (zh) |
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RU (1) | RU2016111938A (zh) |
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CN106004772B (zh) | 2020-09-15 |
US9994184B2 (en) | 2018-06-12 |
DE102016104897A1 (de) | 2016-10-06 |
MX2016003988A (es) | 2016-09-29 |
RU2016111938A (ru) | 2017-10-05 |
US20160288762A1 (en) | 2016-10-06 |
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