CN105121828A - 具有改进的打开和关闭特性的电磁阀 - Google Patents
具有改进的打开和关闭特性的电磁阀 Download PDFInfo
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- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
- F02M51/0625—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures
- F02M51/0664—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of mobile armatures having a cylindrically or partly cylindrically shaped armature, e.g. entering the winding; having a plate-shaped or undulated armature entering the winding
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- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
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- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
- F02M51/0614—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by arrangement of electromagnets or fixed armature
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- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/166—Selection of particular materials
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- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/029—Electromagnetically actuated valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
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- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
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- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
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- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/02—Fuel-injection apparatus having means for reducing wear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/08—Fuel-injection apparatus having special means for influencing magnetic flux, e.g. for shielding or guiding magnetic flux
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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- F02M2200/90—Selection of particular materials
- F02M2200/9053—Metals
- F02M2200/9069—Non-magnetic metals
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- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
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Abstract
本发明涉及一种用于控制流体的电磁阀,其包括:关闭元件(2),所述关闭元件在阀座(3)上释放和封闭至少一个排出开口(4);磁环路(5),其具有衔铁(6)、内极(7)和磁轭(8);以及线圈(9),其中,所述衔铁(6)与所述关闭元件(2)连接,其中,所述磁环路(5)包括用于中断所述磁环路(5)的非磁性的分隔元件(10),并且,其中,在所述非磁性的分隔元件(10)上布置有至少一个在所述阀的轴向方向(X-X)上延伸的磁性连接片(13;23)。
Description
技术领域
本发明涉及一种用于控制流体、尤其燃料的电磁阀,其具有改进的打开特性和同时也具有改进的关闭特性。
背景技术
从现有技术中在不同的构型中已知电磁阀例如作为喷射阀。经证实,在壳体中的衔铁的区域中具有非磁性分隔、即非磁性区域的电磁喷射阀在相同的条件下比没有磁环路的这类分隔的阀能更快地打开。但是,由于磁环路的分隔使关闭时间变差。
发明内容
相对地,用于控制流体的、具有权利要求1的特征的根据本发明的电磁阀具有以下优点,不但可改进电磁阀的打开时间而且可改进电磁阀的关闭时间,并且,在此,尤其可特别简单且成本有利地制造该电磁阀。因此,尤其能实现批量生产。根据本发明,这由此实现,该电磁阀具有磁环路,所述磁环路带有衔铁、内极和磁轭(Magnetrückschluss)。在此,所述磁环路包括用于中断磁环路的非磁性的分隔元件和至少一个磁性连接片,所述磁性连接片在阀的轴向方向上延伸并且在非磁性的分隔元件上闭合该磁环路。因此,磁性连接片具有磁性旁路的作用,所述磁性旁路布置在非磁性的分隔元件上。
从属权利要求示出本发明的优选的拓展方案。
优选地,磁性连接片布置在非磁性的分隔元件的径向内部。因此,在非磁性的分隔元件的内表面上也可通过磁性连接片的布置构造比磁性的分隔元件更硬的区域。
特别优选地,磁性连接片与磁性的分隔元件一件式地构成。特别优选地,包括磁性连接片和非磁性的分隔元件的一件式的构件在此为MIM构件(metalinjectionmoulding-Bauteil,金属注射成型构件)。由此,磁性连接片可非常个性化地并且与使用相关地构造。
进一步优选地,磁性连接片与磁环路的内极接触。在此,特别优选地,在磁性连接片和内极之间构造力锁合的连接、尤其夹紧连接。
根据本发明的另一优选构型,磁性连接片、非磁性的分隔元件和一壳体部分构造为一件式的构件,所述壳体部分为磁环路的部分。特别优选地,所述一件式的构件为MIM构件。进一步优选地,在该一件式的构件中,该壳体部分由铁素体组成,非磁性的分隔元件由奥氏体组成,磁性连接片由马氏体组成。在此,特别优选地,由铁素体组成的壳体部分比由马氏体组成的磁性连接片磁性更强。
优选地,多个磁性连接片和该非磁性的分隔元件设置为呈具有恒定的内直径的套筒形式。替代地,磁性连接片和该非磁性的分隔元件这样构成,使得它们也设置为呈套筒的基本形状,然而磁性连接片从磁性的分隔元件径向向内突出。
进一步优选地,为实现尽可能快的关闭时间,非磁性的分隔元件的横截面积大于磁性的节流装置的横截面积。
特别优选地,根据本发明的电磁阀为燃料喷射阀,尤其用于到燃烧室中的直接喷射。在此,优选地,燃料穿过阀的衔铁被引导。
附图说明
以下参照附图详细描述本发明的优选实施例。在附图中,相同或者说功能相同的部分分别标记相同的构件。附图示出:
图1根据本发明的第一实施例的电磁阀的示意性截面图,
图2图1的电磁阀的磁环路的一部分的示意性的部分立体图,
图3图1的磁环路的部分区域的放大截面图,以及
图4根据第二实施例的磁环路的一部分的示意性的部分立体图。
具体实施方式
以下参照附图1至3详细描述根据第一实施例的、用于控制流体的电磁阀1。
如从图1明显的,电磁阀1包括呈阀针形式的关闭元件2,其具有关闭侧的球部,该球部释放和封闭在阀座3上的排出开口4。
此外,电磁阀1包括磁环路5,其具有衔铁6、内极7和磁轭8。在该实施例中,磁轭8为电磁阀的壳体14的一部分,其中,壳体14多件式地构造。在这里,两个壳体部分15,16为磁环路5的部分。
此外,电磁阀1包括线圈9,该线圈在通电流时吸引衔铁6。在线圈9结束通电流之后,回位元件17使衔铁6再次返回到初始位置中。在此,图1示出电磁阀1的打开状态,在该打开状态下,衔铁6贴靠在内极7上。衔铁6以已知的方式与关闭元件2连接,以便引起关闭元件的行程运动。
此外,电磁阀1的磁环路5包括非磁性的分隔元件10,该分隔元件在该实施例中为套筒形。非磁性的分隔元件10实现磁环路的磁性分隔并且确保,在操纵线圈以便打开阀时,通过衔铁6快速地闭合磁环路,从而实现电磁阀的非常快的打开时间。但是,就电磁阀1的关闭时间而言,非磁性的分隔元件10是成问题的,所述电磁阀的关闭时间由于非磁性的分隔元件10而增大。
因此,根据本发明,设置有多个磁性连接片13,所述磁性连接片在壳体14、更准确地说壳体部分16和内极7之间建立连接。所述连接片13提供非磁性的分隔元件的磁性桥接。
在第一实施例中,构造有总共四个磁性连接片13,所述连接片布置在非磁性的分隔元件10的内侧上。在此,所述四个连接片沿着内周缘以相同的间距设置。在此,连接片13在周向方向上的宽度与在两个相邻的连接片13之间的间隔相等。在该实施例中,非磁性的分隔元件10由奥氏体组成,并且,连接片13稍有磁性地由马氏体组成。与此相反,壳体部分16由铁素体组成并且比连接片13磁性更强。在这里,壳体部分16、非磁性的分隔元件10和连接片13构成一件式的构件,该一件式的构件设置为MIM构件。在此,连接片13这样布置在套筒形的非磁性的分隔元件10上,使得实现构件的柱形的、平滑的、柱形的内表面。因为连接片13由马氏体制造,所以其具有的硬度比非磁性的分隔元件10的硬度更大。
此外,根据本发明,在磁环路的包括非磁性的分隔元件10、连接片13和壳体部分16的一件式构件与内极7的之间构造有夹紧连接21。
如尤其由图3明显的,在此,这样设置磁性连接片13,使得连接片13的第一部分区域与内极7接触且连接片13的第二部分区域与衔铁6接触。由此,连接片13附加地还可承担用于衔铁的导向功能。因此,连接片13的部分区域设置为用于衔铁6的导向装置。因为连接片13比分隔元件10更硬,由此也获得减小的磨损。
通过引入连接片13,相对于在构件的内周缘上完全设置的区域而言减小了磁流。由此,较快的打开时间尤其还是可行的,而在这里,这不对阀的关闭时间消极地产生影响。因此,在导向衔铁6时和在将内极7压入构件中时,与非磁性的分隔元件10相比更硬的磁性连接片也产生优点。因为连接片13仅仅局部地存在,尽管如此,与在构件的内周缘上的磁性环相比仍显著地降低磁流。
因此,通过设置在阀的轴向方向X-X上延伸的磁性连接片实现非磁性的分隔元件10的磁性桥接。这具有以下作用,显著地改进电磁阀的关闭时间,而不因此使电磁阀的快速的打开时间变差。在此,非磁性的分隔元件10的横截面比磁性连接片13的横截面大多倍。
图4示出磁轭8的在图2中所示出的一件式的构件,在第二实施例中,连接片23从非磁性的分隔元件10径向向内突出。由此,第二实施例的连接片23从非磁性的分隔元件10的内表面稍微向内突出。该一件式的构件优选地也借助于MIM方法制造。第二实施例的连接片23优选从非磁性的分隔元件10的内周缘向内突出大约0.2mm。第二实施例的另外的优点在于,非磁性的分隔元件可设置为柱形套筒,该柱形套筒例如在MIM方法中也可设置为插入件。由此,柱形套筒可非常成本有利地实施为几何形状简单的构件。
Claims (10)
1.用于控制流体的电磁阀,包括:
-关闭元件(2),该关闭元件在阀座(3)上释放和封闭至少一个排出开口(4),
-磁环路(5),其具有衔铁(6)、内极(7)和磁轭(8),以及
-线圈(9),
-其中,所述衔铁(6)与所述关闭元件(2)共同作用,
-其中,所述磁环路(5)包括用于中断所述磁环路(5)的非磁性的分隔元件(10),以及
-其中,在所述非磁性的分隔元件(10)上布置有至少一个在所述阀的轴向方向(X-X)上延伸的磁性连接片(13;23)。
2.根据权利要求1所述的电磁阀,其特征在于,所述磁性连接片(13)布置在所述非磁性的分隔元件(10)的径向内部。
3.根据以上权利要求中任一项所述的电磁阀,其特征在于,所述磁性连接片(13;23)与所述非磁性的分隔元件(10)一件式地形成。
4.根据以上权利要求中任一项所述的电磁阀,其特征在于,所述磁性连接片(13)与所述衔铁(6)接触并且形成用于所述衔铁(6)的导向装置。
5.根据权利要求3或4所述的电磁阀,其特征在于,所述磁性连接片(13)、所述非磁性的分隔元件(10)和一壳体部分(16)设置为一件式的构件、尤其MIM构件,所述壳体部分为所述磁环路(5)的部分。
6.根据权利要求5所述的电磁阀,其特征在于,所述壳体部分(16)由铁素体组成,所述非磁性的分隔元件由奥氏体组成,并且,所述磁性连接片(13;23)由马氏体组成。
7.根据权利要求5或6中任一项所述的电磁阀,其特征在于,所述壳体部分(16)比所述磁性连接片(13;23)磁性更强。
8.根据以上权利要求中任一项所述的电磁阀,其特征在于,所述磁性连接片(13;23)与所述内极(7)接触。
9.根据以上权利要求中任一项所述的电磁阀,其特征在于,多个磁性连接片(13;23)与所述非磁性的分隔元件(10)具有带有恒定的内直径的柱形套筒的形状,或者,所述磁性连接片(23)从柱形的非磁性的分隔元件(10)径向向内突出。
10.根据以上权利要求中任一项所述的电磁阀,其特征在于,在所述磁性连接片(13;23)和所述内极(7)之间构造力锁合的连接、尤其夹紧连接(21)。
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Application Number | Priority Date | Filing Date | Title |
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DE201310206958 DE102013206958A1 (de) | 2013-04-17 | 2013-04-17 | Magnetventil mit verbessertem Öffnungs- und Schließverhalten |
DE102013206958.8 | 2013-04-17 | ||
PCT/EP2014/053110 WO2014170049A1 (de) | 2013-04-17 | 2014-02-18 | MAGNETVENTIL MIT VERBESSERTEM ÖFFNUNGS- UND SCHLIEßVERHALTEN |
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CN105121828A true CN105121828A (zh) | 2015-12-02 |
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US (1) | US9903328B2 (zh) |
EP (1) | EP2986839B1 (zh) |
JP (1) | JP6148792B2 (zh) |
KR (1) | KR102179015B1 (zh) |
CN (1) | CN105121828B (zh) |
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DE102019203028A1 (de) | 2019-03-06 | 2020-09-10 | Robert Bosch Gmbh | Elektromagnetisch betätigbarer Aktor mit progressiver Kennlinie |
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JP2010096285A (ja) * | 2008-10-17 | 2010-04-30 | Nidec Tosok Corp | 電磁弁 |
CN102150223A (zh) * | 2008-09-11 | 2011-08-10 | 川崎重工业株式会社 | 油浸型螺线管 |
CN102770925A (zh) * | 2009-12-04 | 2012-11-07 | 罗伯特·博世有限公司 | 电磁操纵阀 |
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JP2757590B2 (ja) | 1991-07-04 | 1998-05-25 | 三菱電機株式会社 | 数値制御装置 |
JPH058152U (ja) * | 1991-07-19 | 1993-02-05 | 日信工業株式会社 | ソレノイド弁 |
US5375811A (en) * | 1994-01-19 | 1994-12-27 | Marotta Scientific Controls, Inc. | Magnetic-latching valve |
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JP2003166663A (ja) * | 2001-11-28 | 2003-06-13 | Aisin Seiki Co Ltd | 電磁弁 |
DE102004042592A1 (de) | 2004-07-26 | 2006-03-23 | Robert Bosch Gmbh | Brennstoffeinspritzventil |
JP4871207B2 (ja) * | 2007-05-21 | 2012-02-08 | 株式会社ニッキ | 高圧電磁弁 |
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JP5212497B2 (ja) * | 2011-02-07 | 2013-06-19 | 株式会社デンソー | バルブタイミング調整装置 |
-
2013
- 2013-04-17 DE DE201310206958 patent/DE102013206958A1/de not_active Withdrawn
-
2014
- 2014-02-18 KR KR1020157029990A patent/KR102179015B1/ko active IP Right Grant
- 2014-02-18 WO PCT/EP2014/053110 patent/WO2014170049A1/de active Application Filing
- 2014-02-18 EP EP14705167.6A patent/EP2986839B1/de active Active
- 2014-02-18 US US14/762,346 patent/US9903328B2/en not_active Expired - Fee Related
- 2014-02-18 JP JP2016508052A patent/JP6148792B2/ja not_active Expired - Fee Related
- 2014-02-18 CN CN201480021150.9A patent/CN105121828B/zh active Active
Patent Citations (4)
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US6244526B1 (en) * | 1996-09-24 | 2001-06-12 | Robert Bosch Gmbh | Fuel injection valve |
CN102150223A (zh) * | 2008-09-11 | 2011-08-10 | 川崎重工业株式会社 | 油浸型螺线管 |
JP2010096285A (ja) * | 2008-10-17 | 2010-04-30 | Nidec Tosok Corp | 電磁弁 |
CN102770925A (zh) * | 2009-12-04 | 2012-11-07 | 罗伯特·博世有限公司 | 电磁操纵阀 |
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WO2014170049A1 (de) | 2014-10-23 |
US9903328B2 (en) | 2018-02-27 |
KR20150142694A (ko) | 2015-12-22 |
JP6148792B2 (ja) | 2017-06-14 |
DE102013206958A1 (de) | 2014-10-23 |
JP2016524098A (ja) | 2016-08-12 |
EP2986839A1 (de) | 2016-02-24 |
EP2986839B1 (de) | 2019-04-10 |
US20160025051A1 (en) | 2016-01-28 |
KR102179015B1 (ko) | 2020-11-16 |
CN105121828B (zh) | 2019-03-08 |
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