CN109968811B - 用于向介质施加流体的系统 - Google Patents
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Abstract
本发明涉及用于向介质施加流体的系统。该系统包括一个或多个流体滴的源、加压空气源、阀、控制器、流体滴收集器和再循环装置。阀联接到加压空气源,从加压空气源接收加压空气,阀包括孔板和一个或多个压电元件,孔板具有一个或多个孔口,流体可流动通过孔口,一个或多个压电元件具有定位成在孔口处接触孔板的相应的面,每个压电元件具有第一状态和第二状态,在第一状态中,压电元件邻接孔板以防止加压空气流动通过相关联的孔口,在第二状态中,相应的面与孔板间隔开以允许加压空气流动通过相关联的孔口,孔口与相应的路径对准。再循环装置用于使被收集在流体滴收集器中的流体滴返回到一个或多个流体滴的源。
Description
本申请是2016年9月27日提交的、名称为“阀”、申请号为201480077602.5的中国专利申请的分案申请。
技术领域
本发明涉及用于向介质施加流体的系统。
背景技术
一些阀的应用需要小型的且能够以高频率操作的阀。除其他的应用之外,这样的应用的一个示例是用于诸如喷墨打印机的流体分配器的空气阀阵列。
附图说明
从下面的结合附图的具体实施方式中本公开的各种特征和优势将变得明显,附图仅以示例的方式一并示出了本公开的特征,其中:
图1A是阀的一个示例的示意图;
图1B是图1A的阀的孔板的示意性端视图;
图2A是图1A和1B的阀在阀关闭时的示意性截面图并且图2B是示出阀打开的局部示图;
图3A是包括图2A和2B的阀的流体分配器的示意图,该阀是打开的,并且图3B示出了阀关闭时的流体分配器;
图4A和图4B是示出了孔板和流体滴的相对位置的示意图;
图5是示出了微滴偏移与孔板和流体滴相对位置的关系的曲线图;
图6是示出了空气射流的宽度随至孔板的距离变化的曲线图;
图7是示出了由孔板产生的空气射流的示意图;
图8是示出了微滴移位随至孔板的距离变化的曲线图;并且
图9是流体分配装置的示意图。
具体实施方式
参照图1A,阀包括孔板1以及由支撑件6支撑的多个长形压电元件2。孔板1限定了多个孔口4,每个压电元件2对应一个孔口4,流体可以流动通过孔口4。在下面描述的示例中,流体为气体。每个压电元件2具有电极(未示出),该电极相对于元件的极性以已知的方式布置,以使得当电压施加到电极时元件2的长度在垂直于孔板1的方向上线性改变。在一种状态下,元件2邻接孔板1并堵塞与其关联的孔口(例如4A所指示),并且在另一种状态下,元件与孔板1间隔开,从而相关联的孔口(例如4B所指示)没有被堵塞。
如将在下文描述的那样,这样的阀可以具有非常小的尺寸。例如每毫米可以有十到二十个或者更多个压电元件。阀能够以高频率操作;一些示例以250kHz操作。PMN-PT(铌镁酸铅-钛酸铅)的压电元件可以在所施加的电压为60V时在4微秒内改变长度达4微米。尽管图1A和1B的示例具有多个压电元件和孔口,然而将会认识到阀可以仅仅具有一个元件和一个孔口。此外,尽管图1A和1B的示例为简明仅示出了7个压电元件2和孔口4,然而阀可以具有任意其他数量的元件和孔口。例如,阀可以具有数以百计的元件和孔口。阀的示例可以每mm有10-20个孔口。孔口可以具有10-50微米的直径。在一个示例中,孔口具有40微米的直径。每个压电元件的宽度W可以是40-80微米。
参照图2A和2B,阀的示例包括封闭的室10,该室10由支撑件6、孔板1、罩盖8、与孔板相对的端壁16以及在孔板和端壁之间延伸的侧向端壁(未示出)限定。孔板1、罩盖8和支撑件6可以是任何合适的坚硬材料制成的,例如硅、不锈钢、铍铜或者其他金属。在阀的示例中,孔板是硅制成的。支撑件6支撑室10内的至少一个压电元件2,在这个示例中,支撑件6支撑室10内的多个压电元件2。每个元件2在远离孔板1的一个端部处固定到支撑件,元件的其余部分可自由在支撑件6上滑行移动,以堵塞和不堵塞板1中的孔口。在图2A和图2B的示例中,压电元件由粘合剂固定到支撑件。在这个示例中,室具有用于从源(未示出)到室10供应压缩气体的进气口14,该压缩气体在这个示例中为空气。驱动电压由驱动器50施加到每个元件2,该驱动器50由导体54连接到压电元件2的电极。在驱动电压的第一状态下,压电元件2邻接孔板1并堵塞与其关联的孔口,如图2A所示。在驱动电压的第二状态下,压电元件2与孔板1间隔开并且加压空气穿过孔口作为空气射流离开室,如图2B所示。
驱动器50可以响应于来自控制阀的操作的控制设备(例如计算机)的控制信号52。
参照图3A和3B,阀可以用于流体喷射系统,在这个示例中,流体喷射系统为喷墨打印机。图3A和图3B为简明示意性地示出了与一个压电元件2和一个孔口4相关联的打印头40的一个区段。该打印头包括一个或多个阀。
图3A和图3B所示的打印头40的该区段包括在压力下向喷嘴60提供墨液的墨源56。振动器58使源56和喷嘴60振动以产生向打印介质36喷射的墨滴62,振动器58可以是压电振动器。墨滴沿滴路径喷射经过阀,然后它们到达打印介质36。如图3A所示,当孔口4没有被堵塞时,空气射流48使一个或多个滴移位进入槽66,以便经由抽吸管68再循环回到墨液贮器(在图9中为38)。如图3B所示,当孔口4被堵塞时,滴未移位,从而到达打印介质。打印介质和打印头一个相对于另一个移动并且在数据源的控制下滴被允许到达打印介质或移位到槽,以在介质36上打印出期望的标记,如将要参照图9描述的。
参照图4A和图4B,打印头40(见图3A)的一个示例具有多个喷嘴60以及同样多个孔口4和压电元件2。在一个示例中,每个喷嘴被设置成以135KHz的速率产生体积大约为14皮升的流体滴。孔板中的孔口具有大约18微米的直径并且间隔开338/2=169微米。空气以大约0.45巴的压力被提供到室10(见图3A),在孔口4打开时产生大约1.5巴的空气射流。图4A示出了与滴对准的空气射流48,并且图4B示出了在X方向(即滴路径的方向)上空气射流48与滴有338微米的偏置。孔板以间距Y与滴路径间隔开。
图5是示例性曲线图,示出了对于0.2mm和0.4mm两个Y值的滴偏移角度随方向X的变化。图7是示例性曲线图,示出了空气射流的宽度与到孔板的距离。图6与图5一致地示出了值Y的0.1mm到0.2mm的工作范围。图7示出了在距孔板0.2mm处,空气射流48不重叠,使得在相邻的孔口之间的串扰最小化。图8是示例性曲线图,示出了在距滴板1mm处的滴偏移随孔口到滴距离Y的变化。其示出了在Y=0.1-0.2mm的工作范围内,偏移几乎线性变化。
在一个示例中,设计者能够选择阀中的孔口的数量和压电元件的数量。可以在一个打印头中使用多个阀的阵列,每个阀包括一个或多个孔口和压电元件。
设计者能够选择孔口的尺寸和间距以及压电元件的尺寸和间距。在实践中,尺寸和间距可以由制造压电元件所选择的方法限制。在一个示例中,通过机械切割压电晶体来制作该元件,这提供了大约10微米的相邻元件之间的最小间距。参照图1A、1B和图2A、2B,对于压电元件的示例性尺寸为:5mm长(L垂直于孔板1),0.1mm厚(D)以及对于直径小于0.08mm的孔口4为0.08mm宽(W平行于孔板)。这样的尺寸适合于使用每毫米10个压电元件和孔口以大约250点/每英寸(dpi)的分辨率来进行打印。用其他方法制造元件,可以实现更小的尺寸。
图9示意性地示出了使用上文所描述的阀的喷墨打印系统20的示例。喷墨打印系统20构成了流体喷射系统的一个示例,该流体喷射系统包括流体喷射装置(例如喷墨打印头组件22)和流体供应组件(例如墨液供应组件24)。喷墨打印系统20还包括安装组件26,介质输送组件28和电子控制器30。至少一个电源32为喷墨打印系统20的各种电气部件提供电力。
在一个示例中,喷墨打印头组件22包括如上文所描述的一个或多个打印头40,该一个或多个打印头40通过多个喷嘴60向打印介质36喷射墨滴从而在打印介质36上打印。
打印介质36可以是任何类型的合适的片状材料,例如纸、卡片纸料、透明胶片、聚酯薄膜、织物等。
典型地,喷嘴60被设置为一个或多个列或阵列,使得墨液从喷嘴60以适当顺序喷射,随着喷墨打印头组件22和打印介质36相对于彼此移动,导致字符、符号和/或其他的图形或图像被打印到印刷介质36上。虽然下面的描述涉及从打印头组件22喷射墨液,应认识到其他液体、流体或可流动材料(包括透明流体)也可以从打印头组件22喷射。
作为流体供应组件的一个示例,墨液供应组件24向打印头组件22提供墨液并且包括用于贮存墨的贮器38。这样,墨液从贮器38流动到喷墨打印头组件22。墨液供应组件24和喷墨打印头组件22形成如上文所描述的再循环墨液输送系统。在如图3A和3B所示的再循环墨液输送系统中,打印期间仅消耗了被提供给打印头组件22的墨液的一部分。打印期间未被消耗的墨液返回到墨液供应组件24。
在一个示例中,喷墨打印头组件22和墨液供应组件24被一并容纳在喷墨盒或笔中。喷墨盒或笔是流体喷射装置的一个示例。在另一个示例中,墨液供应组件24与喷墨打印头组件22分开并通过诸如供应管道(未示出)的接口连接向喷墨打印头组件22提供墨液。在任一示例中,墨液供应组件24的贮器38可以被移除、替换和/或再填充。在一个示例中,其中,喷墨打印头组件22和墨液供应组件24被一并容纳在喷墨盒中,贮器38包括位于盒内的本地贮器并且也可以包括与盒分开设置的更大的贮器。这样,分开的、更大的贮器用来再填充本地贮器,例如图3A和3B的源56。相应地,分开的、更大的贮器和/或本地贮器可以被移除、替换和/或再填充。
安装组件26相对于介质输送组件28定位喷墨打印头组件22并且介质输送组件28相对于喷墨打印头组件22定位打印介质36。因此,打印区域37被限定为邻近于喷嘴60,位于喷墨打印头组件22和打印介质36之间的区域中。
在一个示例中,喷墨打印头组件22是扫描型打印头组件。这样,安装组件26包括托架(未示出),用于使喷墨打印头组件22相对于介质输送组件28移动以扫描打印介质36。组件26包括例如打印头40,打印头40具有在打印介质的移动方向上延伸的多个孔口4和压电元件2。托架使打印头40在打印介质上扫描以同时在介质上打印多行。
在另一个示例中,喷墨打印头组件22是非扫描型打印头组件。这样,安装组件26将喷墨打印头组件22固定在相对于介质输送装置28的规定位置。因此,介质输送组件28相对于喷墨打印头组件22定位打印介质36。该组件包括垂直于打印介质的移动方向延伸的固定的打印头阵列。每个打印头包括布置成同时在打印介质36上打印的多个滴源、孔口4和压电元件2。
电子控制器或者打印机控制30典型地包括处理器、固件和其他电子器件,或者它们的任意组合,用于与喷墨打印机组件22、安装组件26和介质输送组件28通信并且控制喷墨打印机组件22、安装组件26和介质输送组件28。电子控制器30接受来自主系统(例如计算机)的数据39,并且通常包括用于临时存储数据39的存储器。典型地,数据39沿电子的、红外的、光学的或其他信息传输路径被发送到喷墨打印系统20。数据39例如代表了将要被打印的文档和/或文件。这样,数据39形成喷墨打印系统20的打印作业并且包括一个或多个打印作业10命令和/或命令参数。
在一个示例中,控制器30发送控制数据52到图2A所示的驱动装置50以驱动阀并控制哪些滴62到达打印介质36。这样,电子控制器30限定了喷射出的墨滴的图案,该喷射出的墨滴的图案在打印介质36上形成字符、符号和/或其他图形或图像。喷射出的墨滴的图案由打印作业命令和/或命令参数决定。
上文所描述的示例的压电元件是PMN-PT的,但是其他示例可以使用其他压电材料,例如PZT(锆钛酸铅)。PMN-PT允许更高频率的操作并允许实现比其他当前可用的材料更小的尺寸。上文所描述的压电元件具有矩形截面,但可以具有其他截面形状。上文所描述的压电元件线性地改变长度以堵塞和不堵塞孔口4。在其他示例中,元件可以弯曲以堵塞和不堵孔口,但是这样的操作模式慢于线性地改变长度。
图1A、1B和图2A、2B的阀可以用于参照图3A、3B、4A、4B、5-9所描述的流体喷射系统之外的目的。
Claims (13)
1.一种用于向介质施加流体的系统,所述系统包括:
一个或多个流体滴的源,所述一个或多个流体滴的源构造成沿相应的路径向所述介质施加所述流体滴;
加压空气源;
阀,所述阀联接到所述加压空气源,从所述加压空气源接收加压空气,所述阀包括孔板和一个或多个压电元件,所述孔板具有一个或多个孔口,流体可流动通过所述孔口,所述一个或多个压电元件具有定位成在所述孔口处接触所述孔板的相应的面,每个压电元件具有第一状态和第二状态,在所述第一状态中,所述压电元件邻接所述孔板以防止所述加压空气流动通过相关联的孔口,在所述第二状态中,所述相应的面与所述孔板间隔开以允许所述加压空气流动通过相关联的孔口,所述孔口与所述相应的路径对准;
控制器,所述控制器用于选择性地施加第一电压到所述一个或多个压电元件以使得所述压电元件采取所述第一状态,并且用于选择性地施加第二电压到所述一个或多个压电元件以使得所述一个或多个压电元件采取所述第二状态;
流体滴收集器,所述流体滴收集器定位成当所述第二电压被施加到所述一个或多个压电元件时收集被所述加压空气从一个或多个路径偏移出来的流体滴;和
再循环装置,所述再循环装置用于使被收集在所述流体滴收集器中的流体滴返回到所述一个或多个流体滴的源。
2.如权利要求1所述的系统,其中,所述相应的路径以来自所述孔口的空气射流不重叠的距离与所述孔口间隔开。
3.如权利要求1所述的系统,其中,在所述孔板中每毫米有10-20个孔口。
4.如权利要求1所述的系统,其是喷墨打印机,具有多个所述流体滴的源,联接到所述加压空气源的一个或多个阀,所述一个或多个阀中的每一个包括孔板和一个或多个压电元件,所述孔板具有一个或多个孔口,流体可流动通过所述孔口,所述孔口带有相应的路径,所述一个或多个压电元件具有定位成在所述孔口处接触所述孔板的相应的面,每个压电元件具有所述第一状态和所述第二状态,在所述第一状态中,所述压电元件邻接所述孔板以防止所述加压空气流动通过相关联的孔口,在所述第二状态中,所述面与所述孔板间隔开以允许所述加压空气流动通过相关联的孔口。
5.如权利要求1所述的系统,其中,所述一个或多个压电元件中的每一个包括压电材料的部件,所述部件构造成使每个压电元件的所述面在所述第一和第二状态之间线性地移动。
6.如权利要求1所述的系统,其中,所述一个或多个压电元件中的每一个具有远离所述面且固定到支撑件的部分,所述压电元件的其余部分能够在所述第一和第二状态之间自由移动。
7.如权利要求6所述的系统,其中,所述支撑件延伸到所述孔板,所述孔板固定到所述支撑件。
8.如权利要求7所述的系统,其中,所述孔板和支撑件是封闭室的壁,所述封闭室具有用于提供流体到所述封闭室的流体端口。
9.如权利要求1所述的系统,包括多个压电元件和在所述孔板中的同样多个孔口。
10.如权利要求9所述的系统,其中,在所述孔板中每毫米有10-20个孔口。
11.如权利要求9所述的系统,其中,所述孔口具有范围在10-50微米内的直径。
12.如权利要求9所述的系统,其中,所述一个或多个压电元件各自在所述孔板处具有范围在40-80微米内的宽度。
13.如权利要求1所述的系统,其中,所述一个或多个压电元件是铌镁酸铅-钛酸铅的。
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Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2527647C3 (de) * | 1975-06-20 | 1981-06-25 | Siemens AG, 1000 Berlin und 8000 München | Mit Flüssigkeitströpfchen arbeitendes Schreibgerät |
GB1521874A (en) * | 1977-03-01 | 1978-08-16 | Itt Creed | Printing apparatus |
JPS63303750A (ja) | 1987-06-03 | 1988-12-12 | Ricoh Co Ltd | インクジエツトヘツド |
US4914522A (en) | 1989-04-26 | 1990-04-03 | Vutek Inc. | Reproduction and enlarging imaging system and method using a pulse-width modulated air stream |
JPH02286982A (ja) * | 1989-04-26 | 1990-11-27 | Hitachi Metals Ltd | 圧電バルブ |
JP2740342B2 (ja) * | 1989-11-14 | 1998-04-15 | 日立金属株式会社 | 高温域用流量制御バルブおよびマスフローコントローラならびに高温域用積層型変位素子 |
US6186619B1 (en) | 1990-02-23 | 2001-02-13 | Seiko Epson Corporation | Drop-on-demand ink-jet printing head |
JP3041952B2 (ja) | 1990-02-23 | 2000-05-15 | セイコーエプソン株式会社 | インクジェット式記録ヘッド、圧電振動体、及びこれらの製造方法 |
US5403617A (en) * | 1993-09-15 | 1995-04-04 | Mobium Enterprises Corporation | Hybrid pulsed valve for thin film coating and method |
EP0773107B1 (en) * | 1995-11-09 | 2002-04-24 | Canon Kabushiki Kaisha | Ink jet head, ink jet head cartridge, and ink jet apparatus, comprising ink delivery system |
FR2763870B1 (fr) | 1997-06-03 | 1999-08-20 | Imaje Sa | Systeme de commande de projection de liquide electriquement conducteur |
JP3603828B2 (ja) * | 2001-05-28 | 2004-12-22 | 富士ゼロックス株式会社 | インクジェット式記録ヘッド及びその製造方法並びにインクジェット式記録装置 |
DE20116515U1 (de) | 2001-10-09 | 2001-12-13 | Festo Ag & Co | Aktor und damit ausgestattetes Ventil |
US6554389B1 (en) | 2001-12-17 | 2003-04-29 | Eastman Kodak Company | Inkjet drop selection a non-uniform airstream |
US6746108B1 (en) | 2002-11-18 | 2004-06-08 | Eastman Kodak Company | Method and apparatus for printing ink droplets that strike print media substantially perpendicularly |
DE102004011923A1 (de) | 2004-03-11 | 2005-09-29 | Horst Meinders | Hochdruckventile zur Steuerung heißer Gasströme |
US7413293B2 (en) * | 2006-05-04 | 2008-08-19 | Eastman Kodak Company | Deflected drop liquid pattern deposition apparatus and methods |
US7682002B2 (en) * | 2007-05-07 | 2010-03-23 | Eastman Kodak Company | Printer having improved gas flow drop deflection |
WO2009035926A2 (en) * | 2007-09-13 | 2009-03-19 | John Leslie Johnson | Double action directional fluid flow valve |
US8011764B2 (en) | 2009-04-09 | 2011-09-06 | Eastman Kodak Company | Device including moveable portion for controlling fluid |
US8540351B1 (en) | 2012-03-05 | 2013-09-24 | Milliken & Company | Deflection plate for liquid jet printer |
US8991986B2 (en) * | 2012-04-18 | 2015-03-31 | Eastman Kodak Company | Continuous inkjet printing method |
JP5946322B2 (ja) | 2012-05-22 | 2016-07-06 | 株式会社日立産機システム | インクジェット記録装置 |
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