CN103180053A - 气雾发生器 - Google Patents

气雾发生器 Download PDF

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CN103180053A
CN103180053A CN2011800537711A CN201180053771A CN103180053A CN 103180053 A CN103180053 A CN 103180053A CN 2011800537711 A CN2011800537711 A CN 2011800537711A CN 201180053771 A CN201180053771 A CN 201180053771A CN 103180053 A CN103180053 A CN 103180053A
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wall
chamber
sleeve
generator
liquid
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F.安德松
C.塔赫
A.费里亚尼
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British American Tobacco Investments Ltd
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British American Tobacco Co Ltd
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Abstract

一种可用作常规香烟替代品的大体上柱状的气雾发生器，所述气雾发生器具有纵向延伸的角状物构件(8)和嘴端壳体(5)，所述纵向延伸的角状物构件(8)承载安装在主壳体(4)内的压电致动器(9)。套筒(7)在腔室中含有可雾化液体(28)，所述腔室具有腔室内壁(13)、环绕所述内壁的纵向延伸的腔室外壁(17)、在近侧端处桥接所述腔室内壁的近侧内端壁(18)以及与所述内壁纵向间隔开而限定排放区域(20)的近侧外端壁(19)，所述腔室内壁(13)在所述套筒的近侧与远侧端(15，16)之间纵向延伸并限定接收器以便从所述远侧端接纳所述角状物构件(8)。喷嘴(23)从所述排放区域通过所述外端壁将液体排放成气雾(39)。毛细管驱动壁(24)设置在所述腔室内壁与腔室外壁之间并与所述内壁间隔开以便限定纵向延伸的毛细管通道(25)，所述纵向延伸的毛细管通道(25)足够狭窄以便通过毛细管作用将所述腔室内的液体沿间隙驱动到所述排放区域，在所述排放区域处通过沿着所述角状物(8)传递到所述排放区域(20)的电压装置的振动作用使液体雾化。

Description

气雾发生器
技术领域
本发明涉及一种使用振动源-例如压电装置来雾化液体从而产生气雾的气雾发生器以及用于这种发生器的套筒，并且具体但不排他地用于提供可用于代替常规香烟的含尼古丁基物质或风味剂的液体气雾。
背景技术
迄今为止已提出用压电发生器来形成雾化喷洒。例如，WO2002／241777公开了压电装置形成液流振动并且还通过使用所述装置作为压力转换器来监测流动的用途。FR2929861示出了已为人们所知的是使用毛细管作用来供给液体到压电致动器来形成气雾。此外，JP2004313871公开了一种使用压电装置的雾化器，所述压电装置在形成气雾喷洒时通过角状物供给振动而将它们聚集到一起。
本发明提供一种采用待雾化液体的套筒的改进的气雾发生器，所述气雾发生器可用作香烟代替装置。
发明内容
本发明提供一种用于气雾发生器的套筒，所述套筒包括容纳可雾化液体的腔室，所述腔室具有近侧和远侧端、在所述近侧与远侧端之间纵向延伸的大体上管状的腔室内壁、环绕所述内壁的纵向延伸的腔室外壁、在所述近侧端处桥接所述内壁的近侧内端壁、与所述内壁纵向间隔开以便限定所述近侧端壁之间的排放区域的近侧外端壁、将液体从所述排放区域通过所述外端壁排放成气雾的喷嘴以及介于所述腔室内与外壁之间的毛细管驱动壁，所述毛细管驱动壁与所述腔室内壁间隔开以便提供纵向延伸的毛细管通道，所述纵向延伸的毛细管通道足够狭窄以便通过毛细管作用将所述腔室内的液体沿所述毛细管通道驱动到所述排放区域。
所述毛细管通道可以从所述远侧端朝向所述近侧端变窄以便由液体上的毛细管作用导致的力朝向所述近侧端增大。
本发明还包括构造成容纳所述套筒的气雾发生器，所述气雾发生器包括大体上管状的壳体、构造成纵向地位于所述壳体内以便延伸到所述套筒腔室的远侧端中从而接合所述腔室内壁的内表面的长形角状物构件以及所述角状物构件上的振动致动器，所述振动致动器在所述气雾发生器中形成传递到所述腔室的近侧内端壁的振动，该振动作用于所述排放区域中的液体而导致所述液体通过所述喷嘴排放。
附图说明
为了更充分地理解本发明，现将仅通过说明性示例并参照附图来描述本发明的实施方式，附图中：
图1是气雾发生器的立体示意图，
图2是图1所示的发生器的纵向剖视图，
图3是用于气雾发生器的套筒的立体图，
图4是图3所示的套筒的分解图，
图5是套筒安装在气雾发生器的嘴端件中时的移除了角状物的剖视放大图，
图6是安装在发生器的嘴端件中的套筒的剖视图，图中还示出了剖切的角状物，
图7是用于所述装置中以致动压电发生器的驱动器电路板的示意性电路图，以及
图8是检测电路的示意性电路图，所述检测电路检测使用者何时吸吮嘴端件来致动所述装置并且通过图6所示的电路产生气雾。
具体实施方式
参阅图1，气雾发生器1具有从大体上圆形的近侧端2延伸到圆形远侧端3的大体上柱状的外表面。所述装置1具有主壳体4以及具有近侧端孔口6的嘴端壳体5，气雾通过所述近侧端孔口6输送到使用者。
嘴端件5可移除地安装在壳体4上-例如作为推动装配件或卡扣安装件(未示出)。
含有可雾化液体的套筒7容纳在嘴端壳体5内并且可在空了时通过从主体壳体4移除壳体5来更换。如图2所示，主壳体4含有角状物8，所述角状物8上安装有压电转换器9。壳体4还包含联接到压电转换器9的电路10，电路10使所述压电转换器9振荡并且还在使用者抽吸嘴端壳体5时检测压力变化。电路10由壳体4内的电池11驱动。此外，LED12安装在装置的远端3处并且由电路10驱动以便指示所述装置何时使用。
套筒7在图3和4中更详细地示出。套筒7具有大体上环形构造，所述大体上环形构造具有大体上管状的腔室内壁13，所述大体上管状的腔室内壁13具有远端开口14(图5中示出)并且从近侧端15延伸到远侧端16。管状腔室外壁17环绕腔室内壁13并且也在近侧端15与远侧端16之间延伸。近侧内端壁18接近腔室内壁的近侧端，以便腔室内壁13的内部与近侧内端壁18一起限定远侧端16处的接收器开口，如此后将更详细描述的所述开口容纳角状物8。此外，腔室外壁17在其近侧端处由近侧外端壁19封闭，所述近侧外端壁19与近侧内端壁18纵向间隔开以便限定图5中清楚地示出的排放区域20。近侧外端壁19包括容纳喷嘴板22的开口21，所述喷嘴板22形成有至少一个孔口23以便用套筒中的液体形成将供应到嘴端壳体5中的气雾。大体上截头圆锥形的毛细管驱动壁24安装到近侧外端壁19的内表面以便在腔室内壁13与毛细管驱动壁24之间提供图4和5所示的毛细管通道26。如图4和5所示，通道25从远侧端16朝向近侧端15变窄。
如图5和6所示，腔室内与外壁13、17之间的空间含有形成气雾的液体。毛细管驱动壁24与腔室内壁13相互配合来使液体通过毛细管作用驱动到排放区域20。如箭头27所示，近侧外壁19中的孔口26允许空气进入套筒7以便防止空气阻塞。液体在图5和6中由附图标记28表示。液体28朝向排放区域20的通行由箭头19表示。如图6所示，角状物8具有截头圆锥形或柱状舌部30，所述舌部30在由腔室内壁13形成的凹部31的内部之内紧配合穿过开口14。舌部30具有近侧端32，所述近侧端32与近侧内端壁18的内表面间隔开。腔室内壁13的内表面以及舌部30的外表面可包括配合的槽和凹部33、34以便当套筒插入发生器中时将舌部可释放地保持在腔室壁内。角状物8还包括主壳体4内的大体上柱状的基部构件35，舌部30从所述基部构件35延伸并且所述基部构件35安装在包括O型圈36的弹性安装件中。压电装置9安装在角状物8的远侧端38上、位于基部构件35上，以便在致动时所述角状物8可在主壳体4的柱状区域37内部之内来回纵向振动。
在使用时，致动压电装置9并且在基部构件35中产生超声振动，所述超声振动沿着舌部30传递并且通过所述舌部30聚集到腔室内壁13上。舌部的端部32与近侧腔室内壁18之间的间隔确保所述壁18以有节奏地敲击的方式自由振动从而导致排放区域20中的液体被迫穿过孔口23以便形成图5所示的气雾39，所述气雾39被引导穿过嘴端壳体5的出口6。
当使用者抽吸嘴端壳体5时，空气如图6中由箭头40所示抽吸到气雾39中。参阅图1，主壳体4包括空气入口孔41，参阅图6所述入口孔41允许空气沿着箭头42的方向进入并且纵向穿过图3和4所示的由腔室外壁17中径向对置的外部槽43限定的通道。参阅图5和6，嘴端壳体5限定出口6与套筒7的近侧外端壁19之间的气室44。在使用时，图6所示的空气流40与图5所示的气雾39混合并且通过出口6输送到使用者。
当使用者抽吸嘴端壳体5时，由联接到电路的压电装置9检测气室44中导致的压降，所述电路切换到所述装置9的电驱动以便使它产生气雾39。
电路在图7和8中示出并且包括呼吸检测器电路45以及驱动器电路46。驱动器电路46在图7中详细示出并且包括响应于来自呼吸检测器电路45的指示使用者正抽吸嘴端壳体5的输出的微控制器47。如随后解释的，呼吸检测器电路45响应于使用者抽吸嘴端壳体5而提供阶跃电压变化，并且作为响应微控制器47生成如图表G1所示的施加到驱动器电路48的脉冲矩形波，所述驱动器电路48用作调制器来调节通常在图表G2所示420-450KHz范围内的频率下操作的振荡器49的输出，然而也可使用其他适当频率。所产生的调制输出在图表G3中示出并且供应到电压变换器电路50并且随后到开关电路51，所述开关电路51以一定频率供应调制波到压电装置9以便使其产生如前面解释的通过角状物8传递到排放区域20从而导致液体28作为图5所示的气雾39喷射通过喷嘴23的超声振动。驱动器电路46的部件从由电池53供电的调节器52接收调节驱动电压，如前面解释的所述电池53安装在图2所示的电池舱11中。电池还可连续或当致动驱动器电路46时照亮图2所示的LED12。电池53可以是可充电电池，在该情形中可设置外部电池充电器54-例如作为托架或某些其他便利构造以便允许使用者为电池53充电。
参阅图8，呼吸检测器电路45包括放大通过开关电路51从压电元件9接收的信号的前置放大器55，并且所述放大信号在图表G4中示意性地示出。信号处理器56检测图G4所示信号的包络线并且阈值检测器57检测来自处理器56的信号的阶跃变化。如图表G5、G6和G7所示，当使用者抽吸嘴端壳体5时，当抽吸的流率增加到高于阈值时，在该情形中如图表G6所示为大约1.6升／分钟，由于嘴端件中的空气湍流而导致信号处理器56的输出发生阶跃变化，所述变化可由阈值检测器57检测以便开启驱动器电路46。来自阈值检测器57的电压输出在图表G8中示意性地示出。因此，压电元件9从压力传感器切换成超声驱动器以便响应于使用者抽吸嘴端壳体5而产生气雾39。应当指出的是，在没有直接的实际直接暴露到空气流本身的情况下，所述压电装置检测抽吸嘴端件导致的空气湍流。
呼吸检测器电路45的部件由电池53驱动。
因此，气雾发生器装置可通过套筒7中的液体28产生气雾。液体可含有适当活性成分-例如尼古丁，在该情形下所述装置可用作常规香烟的替代品。除了或者代替尼古丁该液体可含有风味剂或者可含有其他活性成分。
一旦套筒的容纳物已消费完，可移除嘴端壳体5并且将套筒7从角状物8拔开并且换上另一个。
已经发现，压电装置提供有效的气雾生成技术。具体地，角状物8的舌部30的形状将来自压电元件9的超声振动放大到近侧内端壁18上，所述近侧内端壁18由于其与舌部的近侧端32的间隔而像鼓一样自由振动，并且因此为排放区域20中的液体加压以便驱动液体穿过孔口23从而形成气雾。
此外，毛细管通道25逐渐成锥形，这帮助从盒的内部输送液体到排放区域，从而产生沿着套筒朝向近侧端15逐渐增加的毛细管力以便将液体28驱动到排放区域20中。此外，当发生器保持竖直构造时，重力帮助将液体28从腔室外壁17与毛细管驱动器壁24之间的空间驱动到毛细管通道25中，从而帮助将液体输送到排放区域20。
应当理解的是，因为套筒周期性地更换，连续使用的套筒7的品质应当具有大体类似的喷洒特性。从其喷洒特性方面来说套筒7可以被原地检查，已发现所述喷洒特性高度依赖于角状物8的舌部30与腔室内壁13之间的摩擦力，所述摩擦力又导致压电装置9上的不同电气负载。参阅图7，驱动器48或电压变换器50可构造成适应性地调节其电压来补偿不同套筒的压电装置的负载变化，以便保持所述装置中的套筒改变时所产生的气雾喷洒39的一致性。
应当理解的是，可以在后面权利要求的范围内对气雾发生器和套筒的描述示例做出许多改型和变型。例如，喷嘴23可以在套筒外壁中直接形成而非在独立喷嘴板中形成。此外，可以通过压电装置之外的其他装置来执行呼吸检测，从而允许同时生成气雾和检测呼吸。

Claims (24)

1. 一种用于气雾发生器的套筒，所述套筒包括容纳可雾化液体的腔室，所述腔室具有近侧端和远侧端、在所述近侧端与远侧端之间纵向延伸的大体上管状的腔室内壁、环绕所述内壁的纵向延伸的腔室外壁、在所述近侧端处桥接所述内壁的近侧内端壁、与所述内壁纵向间隔开以便在所述近侧端壁之间限定排放区域的近侧外端壁、将液体从所述排放区域通过所述外端壁排放成气雾的喷嘴、以及介于所述腔室内壁与腔室外壁之间的毛细管驱动壁，所述毛细管驱动壁与所述腔室内壁间隔开以便提供纵向延伸的毛细管通道，所述纵向延伸的毛细管通道足够狭窄以便通过毛细管作用将所述腔室内的液体沿所述毛细管通道驱动到所述排放区域。
2. 如权利要求1所述的套筒，其中所述毛细管通道从所述远侧端朝向所述近侧端变窄以便由液体上的毛细管作用导致的力朝向所述近侧端增大。
3. 如权利要求1或2所述的套筒，其中所述喷嘴包括喷嘴板中的至少一个孔，所述喷嘴板容纳在所述近侧外端壁中的孔口中。
4. 如前述任一项权利要求所述的套筒，包括位于所述近侧外端壁中的允许空气进入所述腔室的空气入口孔。
5. 如前述任一项权利要求所述的套筒，其中所述腔室包括第一套筒元件和第二套筒元件，所述第一套筒元件包括腔室内壁和腔室外壁,所述近侧内端壁和远侧端壁在所述远侧端处在所述腔室内壁与腔室外壁之间延伸，而所述第二套筒元件包括所述毛细管驱动壁和所述近侧外端壁。
6. 一种构造成容纳如前述任一项权利要求所述的套筒的气雾发生器，所述气雾发生器包括大体上管状的壳体、构造成纵向地位于所述壳体内以便延伸到所述套筒腔室的远侧端中从而接合所述腔室内壁的内表面的长形角状物构件以及所述角状物构件上的振动致动器，所述振动致动器在所述气雾发生器中形成传递到所述腔室的近侧内端壁的振动，该振动作用于所述排放区域中的液体而导致所述液体通过所述喷嘴排放。
7. 如权利要求6所述的发生器，包括所述壳体的一端处的嘴端件以及检测所述嘴端件中的空气湍流来致动所述振动致动器并生成气雾的检测器。
8. 如权利要求7所述的发生器，其中所述嘴端件可从所述壳体移除以便允许所述套筒的插入和移除。
9. 如权利要求7或8所述的发生器，其中所述振动致动器包括压电元件并且所述检测器包括所述压电元件以便检测空气湍流。
10. 如权利要求9所述的发生器，包括所述壳体中的电路，该电路驱动所述压电元件来产生超声振动并且还响应于来自所述致动器的电信号来检测由所述压电元件检测到的压力变化。
11. 如权利要求10所述的发生器，其中所述壳体包括电池舱以便容纳为所述电路供电的电池。
12. 如权利要求8至11中任一项所述的发生器，其中所述角状物包括长形舌部以及位于所述舌部的远侧端处的弹性地安装在所述壳体中的基部构件，所述长形舌部具有从所述套筒的远侧端插入所述管状腔室内壁中的近侧端，所述压电元件安装在所述基部构件上。
13. 如权利要求12所述的发生器，其中所述基部构件是大体上柱状的并且安装在所述壳体中的弹性O型圈中。
14. 如权利要求6至13中任一项所述的发生器，还包括所述壳体内的所述套筒，其中所述角状物容纳在所述管状腔室内壁内并且与所述管状腔室内壁接合。
15. 如权利要求14所述的发生器，其中所述腔室外壁包括纵向槽以便为空气提供进入所述嘴端件并与从所述喷嘴排放的液体混合的通道。
16. 如权利要求14或所述的发生器，其中所述套筒的腔室内壁是截头圆锥形的并且所述角状物成锥形以便接合所述腔室内壁的内表面。
17. 如权利要求14、15或16所述的发生器，其中所述角状物以及所述腔室内壁的内表面形成为具有相互配合的环和槽来将它们可释放地接合到一起。
18. 如权利要求14至17中任一项所述的发生器，其中当装配在所述腔室的内壁中时所述角状物的近侧端与所述近侧内端壁间隔开，从而允许所述角状物的振动以便从所述排放区域通过所述喷嘴排放液体。
19. 一种气雾发生器，包括：
长形角状物构件；
所述角状物构件上的振动致动器；
容纳可雾化液体的腔室，所述腔室具有近侧端和远侧端、在所述近侧端与远侧端之间纵向延伸并且限定接收器以便从所述远侧端接纳所述角状物构件的腔室内壁、环绕所述内壁的纵向延伸的腔室外壁、在所述近侧端处桥接所述内壁的近侧内端壁、与所述内壁纵向间隔开以便限定排放区域的近侧外端壁、将液体从所述排放区域通过所述外端壁排放成气雾的喷嘴以及介于所述内壁与外壁之间的毛细管驱动壁，所述毛细管驱动壁通过纵向延伸的毛细管通道与所述内壁间隔开，所述纵向延伸的毛细管通道足够狭窄以便通过毛细管作用将所述腔室内的液体沿着间隙驱动到所述排放区域。
20. 一种电子装置，包括：
(a)套筒，所述套筒具有用于包含湿润剂的空间并且具有用于喷射液体的喷嘴出口，
(b)布置成接近所述喷嘴出口的振动膜，
(c)包括用于保持所述套筒的支撑件的壳体，
(d)振动元件，所述振动元件布置成致动所述振动膜并且所述振动膜布置成将振动传递到所述空间中的所述湿润剂，以及
(e)电池供电的电子元件，所述电子元件用于传递电能到所述振动元件。
21. 如权利要求20所述的电子装置，其中所述振动膜构形成允许从所述振动元件到液体的高效超声能量传递。
22. 如权利要求20或／和21所述的电子装置，其中所述套筒预先填充有将通过空气腔室和所述喷嘴出口排出的湿润剂，所述空气腔室布置成对于1与1.6 升／分钟之间的空气流率具有10mbar到20mbar之间的压降。
23. 如权利要求20、21或22所述的电子装置，其中所述振动元件布置成振动并且在无需与压电装置接触的情况下检测所述空气腔室中的空气湍流。
24. 如权利要求20至23中任一项所述的电子装置，其中所述电池供电的电子元件包括桥接驱动器和抽烟感测电路。
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BR112013011400A2 (pt) 2016-08-02
MX2013005173A (es) 2013-07-03
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AU2011328313A1 (en) 2013-05-09
CA2814977A1 (en) 2012-05-18

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