CN112494851B - 致动灭火器系统的方法 - Google Patents
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Abstract
本公开涉及灭火器内的宽头切刀启动机构和系统。本公开还涉及致动灭火器系统的方法。所述宽头切刀装置可附接至切刀轴,所述切刀轴在弹性势能从弹簧系统释放时被向下驱动。所述宽头切刀装置可被构造来刺穿并且打开爆破片以在压力下释放灭火剂流。
Description
本申请是2016年1月22日提交的、名称为“用于启动灭火器的弹簧筒夹机构”、申请号为201610045381.4的中国专利申请的分案申请。
技术领域
本公开涉及灭火器系统和其组件,还涉及致动灭火器系统的方法。
背景技术
如今的现代飞机使用密封灭火器,其通过直接爆炸冲击能打开或启动。参考现有技术图1,提供爆炸能的装置通常被称作燃爆筒120或爆炸帽。冲击能集中在圆顶形密封爆破片110上,使得爆破片将因冲击而爆裂。所使用的爆破片材料通常由抗腐蚀钢制成。
通常,燃爆筒120以其直面爆破片110总成的这样一种方式保持在排放头130中。排放头130附接至灭火器的出口且通常用以将灭火剂流引导至飞机接口,诸如管线或管道,其将试剂引导至期望位置。滤网150位于排放头内以捕获因爆炸冲击能而形成的任何大的爆破片碎片。
发明内容
本公开涉及灭火器系统和其组件。根据各种实施方案,本文中描述一种灭火器系统,其包括:宽头切刀,其被构造来刺穿爆破片;宽头切刀轴,其耦接至宽头切刀;弹簧系统,其耦接至宽头切刀轴;和弹簧释放机构,其耦接至弹簧系统。弹簧释放机构可电启动。筒夹可被构造来将弹簧系统保持在非致动位置中。拉杆可被构造来将筒夹保持在预备位置中。止动环可构造来将宽头切刀轴保持在排放头内。宽头切刀被构造来响应于弹簧系统的致动而刺穿爆破片。灭火器系统可能无爆破效果。爆破片可被构造来响应于被宽头切刀刺穿而破开。从灭火器内排出的压力和灭火剂可协助爆破片花瓣体的打开。
根据各种实施方案,本文中描述一种致动灭火器系统的方法。方法可包括将宽头切刀保持为紧邻爆破片表面。方法可包括接收脉冲信号。方法可包括响应于接收脉冲信号而致动弹簧释放机构。方法可包括响应于致动将切刀轴朝向爆破片表面驱动。方法可包括经由耦接至切刀轴的宽头切刀刺穿爆破片。筒夹可被构造来将弹簧释放结构保持在预备位置中。弹簧释放机构可由电致动信号致动。切刀轴的行进可经由与止动环实体接触而停止。从灭火器内排出的压力和灭火剂协助爆破片花瓣体的打开。爆破片被构造来响应于被宽头切刀刺穿而破开。
附图说明
本公开的主题特别在说明书的结尾部分中特别指出并且明确要求。但是,可在结合附图考虑时,通过参考详细描述和权利要求书获得本公开的更全面理解,其中相同数字指示相同元件。
图1描绘现有技术灭火器系统;
图2描绘根据各种实施方案的先进灭火器系统;
图3描绘根据各种实施方案的先进灭火器系统和其组件;
图4A、图4B和图4C描绘根据各种实施方案的灭火器,其依据命令通过释放弹簧系统的弹性势能来驱动被构造来使密封爆破片爆裂的宽头切刀而启动;
图5A和图5B分别描绘根据各种实施方案的完整爆破片和被刺穿爆破片;
图6描绘根据各种实施方案的宽头爆破片切刀;和
图7描绘根据各种实施方案的启动先进灭火器系统的方法。
具体实施方式
本文中的示例性实施方案的详细描述参考附图,附图经由说明示出示例性实施方案和其最佳模式。足够详细地描述这些示例性实施方案以使本领域技术人员能够实践本公开,且应了解,在不背离本公开的精神和范围的情况下可实现其它实施方案和可作出逻辑变更。因此,本文中的详细描述仅为说明且非限制的目的而提出。例如,任何方法或过程描述中所述的步骤可按任何顺序执行,且未必受限于所呈现的顺序。此外,对单数的任何提及包括多个实施方案,且对超过一个组件或步骤的任何提及可包括单数实施方案或步骤。
本公开涉及灭火器系统和其组件。根据各种实施方案和参考图2,爆破片总成210从灭火器内部爆裂。与传统系统相比,起爆筒由附接至致动器的宽头切刀260取代。致动器可为任何期望致动器。例如,致动器可为切刀轴250,其通过弹簧系统220的弹性势能的释放而被推动。排放头320(简要参考图3)可用于通过接口连接至飞机管线/管道以将试剂引导至期望位置。排放头320中未利用碎片筛网,因为宽头切刀260不在灭火器出口爆破片总成210爆裂时产生碎片。
图2示出根据各种实施方案的灭火器内的宽头切刀260启动机构和系统200。灭火器系统200可能无爆破效果。灭火器可包括内部容积区域230。灭火器的尺寸范围可为40立方英寸至2500+立方英寸。灭火器可包括爆破片总成210。爆破片总成210可由任何适当材料制成,其被构造来由宽头切刀260刺穿。宽头切刀260装置可附接至切刀轴250,切刀轴250响应于从弹簧系统220释放弹性势能而被向下驱动(朝向爆破片总成210的中心)。弹簧系统220释放机构240可为例如螺线管、马达,诸如DC马达、DC齿轮传动马达、线性马达、使用棘轮驱动机构的旋转螺线管和/或类似机构。
应注意,未示出位于灭火器内的与下文描述的机构的支撑/稳定关联的任何结构,以及简要参考图3从电接头310至弹簧系统220释放机构240的电连接的布线以简化附图。
根据各种实施方案和参考图3,拉杆350(亦称锁销)用于将筒夹340固持在闭合(向外压)位置以使弹簧系统220保持压缩。筒夹340被向外推,使得它的外凸缘接合切刀轴250内的凹部,因此它被保持且无法被压缩弹簧系统220向下(朝向排放头320)移动。因此,弹簧系统220由切刀轴250的部分固持在压缩状态中。弹簧系统220可为任何类型的弹簧系统,诸如Bellville垫圈、螺旋/线圈弹簧和/或类似弹簧。
根据各种实施方案和继续参考图3,锁销弹簧370可用于施加正压力在拉杆350上,使得拉杆350将筒夹340维持在闭合(向外压)位置中。利用锁销弹簧370,使得在冲击及振动期内拉杆350被保持在其正常位置中。
根据各种实施方案和参考图4A,在预备模式中,弹簧系统220由切刀轴250的面255固持压缩。在预备模式中,宽头切刀260在邻近爆破片总成210但未与其接触的第一位置410中。筒夹340的外凸缘将切刀轴250保持在保持位置460中。拉杆350在预备模式中可位于将筒夹340固持在向外压位置中的正常位置490中。如果灭火器被启动,那么电脉冲可经由至弹簧系统释放机构240的电连接380发送(如图2和图3中描绘)。弹簧系统释放机构240将拉杆350从其在预备模式中将筒夹340固持在向外压位置中的的正常位置向上拉。
根据各种实施方案和参考图4B,响应于拉杆350如上所述被向上拉,筒夹340的外凸缘不再被抵着切刀轴250中的凹部固持在适当位置,因此,切刀轴250上的弹簧系统220的力现在是自由的和/或可用于在筒夹340指状物相对于筒夹340径向向内挠曲时将切刀轴250下推。弹簧系统可处于挠曲位置465中。当切刀轴250向下移动至向下位置480时,宽头切刀260刺穿爆破片总成210。以此方式,宽头切刀260处于刺穿位置420中。切刀轴250和/或宽头切刀260的向下移动通过止动环330暂停。
根据各种实施方案和参考图4C,响应于宽头切刀260刺穿爆破片总成210,从灭火器内排出的压力和灭火剂协助由宽头切刀260起始的爆破片总成210的花瓣体的打开。换句话说,爆破片总成210在被宽头切刀260刺穿时,可破开并且分裂为多个花瓣状形状,诸如四个花瓣体。此外,弹簧系统220处于大体上完全启动和/或延伸位置470中。以此方式,宽头切刀260在第二位置430中,其中爆破片总成210至少大体上由灭火器内的压力和灭火剂打开。图4C也示出处于其完全向下延伸位置480中的切刀轴250已通过止动环330停止并且保持,以防止宽头切刀260变为抛射体。宽头切刀260起始四个花瓣体的形成,且灭火器内部的高压使四个花瓣体打开至大体上完全打开位置完成。花瓣体的数量与宽头切刀260的形状和设计相关。
根据各种实施方案和参考图5A,示出未刺穿爆破片总成210。根据各种实施方案和参考图5B,示出被刺穿和大体上打开的爆破片总成210。根据各种实施方案和参考图6,描绘单个尖端分叉的宽头切刀260。宽头切刀260可采用任何形状因子。宽头切刀260被构造来刺穿爆破片总成210。
根据各种实施方案和参考图7,使用流程图示出致动灭火器系统的方法。方法可包括将宽头切刀保持为紧邻爆破片表面(步骤710)。方法可包括接收脉冲信号(步骤720)。方法可包括响应于接收脉冲信号而致动弹簧释放机构(步骤730)。方法可包括响应于致动将切刀轴朝向爆破片表面驱动(步骤740)。方法可包括经由耦接至切刀轴的宽头切刀刺穿爆破片(步骤750)。筒夹340可被构造来将弹簧释放结构保持在预备位置中。弹簧释放机构可由电致动信号致动。切刀轴250的行进可经由与止动环实体接触而停止。从灭火器内排出的压力和灭火剂协助爆破片总成210花瓣体的打开(步骤760)。爆破片总成210被构造来响应于被宽头切刀260刺穿而破开(步骤770)。
本文中已参考特定实施方案描述益处、其它优点和问题解决方案。此外,本文中所含的各种图中所示的连接线旨在代表各种元件之间的示例性功能关系和/或实体耦接。应注意,许多替代或额外功能关系或实体连接可存在于实际系统中。但是,益处、优点、问题解决方案和可导致任何益处、优点和问题解决方案发生或变得更明显的任何元件不应被解释为本公开的关键、必要或本质特征或元件。本公开的范围相应地仅受限于随附权利要求书,其中提及单数的元件不旨在意指“一个和仅一个”,除非明确地如此规定,而是意指“一个或多个”。
本文中提供系统、方法和设备。在本文的详细描述中,提及“各种实施方案”、“一个实施方案”、“实施方案”、“示例性实施方案”等指示所描述的实施方案可包括特定特征、结构或特性,但每个实施方案可能未必包括特定特征、结构或特性。此外,这些短语未必指的是相同实施方案。此外,当结合实施方案描述特定特征、结构或特性时,主张本领域技术人员了解如何结合明确描述或未明确描述的其它实施方案实现这种特征、结构或特性。在阅读描述后,相关领域技术人员将了解如何在替代实施方案中实施本公开。在图内使用不同的交叉影线来指示不同部分,但未必指示相同或不同材料。
此外,本公开中的元件、组件或方法步骤不旨在贡献给公众,而不管元件、组件或方法步骤是否在权利要求书中明确叙述。本文中的权利要求元件不依据35 U.S.C. 112(f)的条款解释,除非使用短语“用于……的构件”明确叙述。如本文中使用,术语“包括(comprises/comprising)”或其任何其它变型旨在涵盖非排他性包括,使得包括一系列元件的过程、方法、物件或设备不仅包括该元件,而且可包括未明确列出或这种过程、方法、物件或设备所固有的其它元件。
Claims (5)
1.一种致动灭火器系统的方法,其包括:
将宽头切刀保持为紧邻爆破片表面;
经由拉杆将筒夹保持在预备位置中,所述筒夹包围所述拉杆,所述筒夹被向外推,使得所述筒夹的外凸缘接合切刀轴内的凹部;
响应于所述筒夹被保持在所述预备位置中,经由所述筒夹将弹簧系统保持在非致动位置中;
接收脉冲信号;
响应于接收所述脉冲信号而致动弹簧释放机构,其中,所述弹簧释放机构包括螺线管或马达,所述弹簧释放机构经由所述拉杆耦接至所述弹簧系统;
响应于所述弹簧释放机构致动而将所述拉杆从其在预备模式中将所述筒夹固持在向外压位置中的正常位置向上拉;
响应于所述拉杆被向上拉而使所述筒夹的所述外凸缘不再被抵着所述切刀轴内的所述凹部固持在适当位置;
响应于所述筒夹的所述外凸缘脱开所述切刀轴内的所述凹部而经由所述弹簧系统将所述切刀轴朝向所述爆破片表面驱动;和
经由耦接至所述切刀轴的所述宽头切刀刺穿所述爆破片表面。
2.根据权利要求1所述的致动灭火器系统的方法,其中,所述切刀轴由所述弹簧系统驱动。
3.根据权利要求1所述的致动灭火器系统的方法,其进一步包括经由与止动环的实体接触而停止所述切刀轴的行进。
4.根据权利要求1所述的致动灭火器系统的方法,其进一步包括将灭火剂从灭火器排出以协助所述爆破片表面的打开。
5.根据权利要求1所述的致动灭火器系统的方法,其中,所述爆破片表面被构造来响应于被所述宽头切刀刺穿而破开。
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US14/602811 | 2015-01-22 | ||
US14/602,811 US9861846B2 (en) | 2015-01-22 | 2015-01-22 | Spring-collet mechanism for activating a fire extinguisher |
CN201610045381.4A CN105816980B (zh) | 2015-01-22 | 2016-01-22 | 用于启动灭火器的弹簧筒夹机构 |
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CN201610045381.4A Expired - Fee Related CN105816980B (zh) | 2015-01-22 | 2016-01-22 | 用于启动灭火器的弹簧筒夹机构 |
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US (2) | US9861846B2 (zh) |
EP (1) | EP3047879A1 (zh) |
CN (2) | CN112494851B (zh) |
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CN108616221B (zh) * | 2018-05-16 | 2020-10-02 | 广东中烟工业有限责任公司 | 一种消防风机执行机构 |
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US20180085612A1 (en) | 2018-03-29 |
CN112494851A (zh) | 2021-03-16 |
EP3047879A1 (en) | 2016-07-27 |
BR102016000924A2 (pt) | 2016-09-20 |
US20160213963A1 (en) | 2016-07-28 |
CN105816980B (zh) | 2021-01-01 |
US10870026B2 (en) | 2020-12-22 |
BR102016000924B1 (pt) | 2021-11-16 |
US9861846B2 (en) | 2018-01-09 |
CN105816980A (zh) | 2016-08-03 |
CA2917061C (en) | 2022-08-16 |
CA2917061A1 (en) | 2016-07-22 |
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