CN101499567A - 用于电线圈的线端的电接触的装置 - Google Patents
用于电线圈的线端的电接触的装置 Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
- F15B13/08—Assemblies of units, each for the control of a single servomotor only
- F15B13/0803—Modular units
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- F15B13/0853—Electric circuit boards
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
- F15B13/08—Assemblies of units, each for the control of a single servomotor only
- F15B13/0803—Modular units
- F15B13/0846—Electrical details
- F15B13/0857—Electrical connecting means, e.g. plugs, sockets
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/306—Lead-in-hole components, e.g. affixing or retention before soldering, spacing means
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/1003—Non-printed inductor
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10431—Details of mounted components
- H05K2201/1059—Connections made by press-fit insertion
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Abstract
一种用于电线圈(1)线端和向该电线圈(1)供电的电路板(2)之间电接触的装置,其中,为了实现无焊接触,电线圈(1)的线端各设有一个压入触头(6a,6b),其与电路板(2)的相应的通孔(7a,7b)接合,其中所述通孔(7a,7b)的内壁的壁面上覆设有金属的印制导线。
Description
技术领域
本发明涉及一种用于电线圈的线端与向该电线圈供电的电路板电接触的装置。
背景技术
本发明的应用领域涉及流体技术设备,其中应用于控制流体流动的电磁阀中。除具有各种阀功能的多路阀外,也应用在调压阀和其它种类的阀中。虽然多路阀在大多数情况下都配备有作为开关元件的阀芯,并通过电气预控操作,但调节阀通常根据阀座原理(Ventilsitzprinzip)构造,并具有一个用作电磁驱动件的比例磁铁。这里关心的这种类型的所有的阀都需要解决线圈的线端与电连接导线的电连接问题。本发明也致力于该主题。
根据公知的现有技术可知,在一个包围电线圈的外壳内集成一个插塞连接器,通过该插塞连接器可以可拆卸地安装用于向线圈供电的电导线。在一些应用场合,由于空间有限而无法实现这样的插塞方案,而电线圈的线端直接节省空间地焊在电路板上,电路板的导线组构成与线圈的电连接。电路板在此一般也起到对电线圈的支撑作用。然而,这里的缺点是在将线端装配到多路阀时由线端焊接而产生的制造技术上的耗费。此外,损坏的电线圈在维修时只能通过重新焊接拆卸下来。
由DE 197 25 289 A1公开的技术方案中,前述问题是这样解决的,即,电线圈及设计在其上的电触头通过卡口连接可拆卸地安装在电路板上。电触头通过用于锁定卡口连接的回转安装运动与电路板上的电触头相协调,这样就实现了可靠的电接触。虽然这里取消了在安装时烦琐的焊接工作,但是,触头本身构造就相当耗费。因为电接触原理在这里基于通过安装运动施加在电触头上的弹性预紧力。
发明内容
本发明所要解决的技术问题是,创造一种用于电线圈、特别是用于电磁多路阀的电线圈的线端的电接触的装置,该装置节省空间地构造,并且特点在于,易于装配并且在电线圈维修时能简单地拆卸。
本发明包含的技术教导在于,为实现无焊接触,电线圈的线端各配设有一个压入触头,所述触头与电路板上的对应的通孔嵌合,通孔的内壁壁面上敷设有金属的印制导线。在此,在本发明的框架内,通孔的概念并不能仅理解为是严格几何意义上的圆柱形开口。而是也可以考虑具有多边形截面的通孔。
根据本发明的解决方案的优点特别在于,由于没有使用插塞接头因而实现了节省空间的方案。将压入触头压入预设的通孔中,这样就能简单地安装直接配设有压入触头的电线圈。电连接在功能集成意义上同时也实现了将电线圈的机械固定在支撑的电路板上。此外,根据本发明的解决方案也为此提供了一个技术前提,即,电线圈在维修时很容易更换。故障的电线圈可以从电路板拔出而简单地与之分离,并换成一个正常的线圈,仅需将电线圈的压入触头再次压入通孔。
根据一种改进本发明的措施规定,每个压入触头都具有一个中部凹槽,用于产生保留在两侧的弹性接触侧面。中部凹槽与压入触头的其余材料相比这样构造,即,留出足够的弹性接触侧面,该接触侧面能够保证压入后的接触。因为压入触头应优选在预紧力下压入相应的通孔,从而确保可靠的电接触,并且使得作用于电线圈的机械交变应力,例如机器的振动,不会损害电接触。
鉴于一种简化制造技术的措施建议,在一个由塑料构成的电线圈的线圈架上铸造一对与线端相连的压入触头。因而通过线圈架的注塑同时实现了压入触头的机械固定。可选地,这里还可以考虑,设用于将压入触头***由塑料构成的线圈架的凹槽。若将剥去外皮的线端伸入这些凹槽,那么这些线端就会由于压入触头压入线圈架中而通过夹紧实现电接触。根据另一种改进本发明的措施建议,各个压入触头具有U形横截面。呈这样形状的压入触头的侧边区域就能平面地与通孔的内壁接触,这就实现了一种大面积的电接触。
鉴于压入触头尽可能简单的可压入性,一种改进了按本发明的方案的解决方案规定,压入触头在末端设有一个导入对应通孔的导入斜面。在此,该导入斜面与具有金属内壁表面且基本呈圆柱形的通孔的纵轴构成了一个锐角。
根据本发明的一种优选实施形式,电路板优选具有成排的多对通孔以用来承接相应的多个电线圈,其中从通孔中分别引出导线组,这些导线组汇入一个多路插接器。这种特殊的实施形式特别适用于多个成排布置以用于构建气动阀体单元的电线圈,阀体单元中多个电磁多路阀公知地彼此排排列布置,以便成块地联合控制一个气动***。通过这种用于各个线圈接触的电装置的特殊方案可以通过一个中央多路插接器实现与上层控制单元的连接。
附图说明
此外,以下将借助附图并结合对本发明优选实施形式的说明进一步阐述本发明的改进措施。附图中:
图1是用于电线圈和电路板的电接触的装置的透视图
图2是电线圈安装在电路板上时的侧视图,及
图3是图2所示的压入触头区域的详细视图。
具体实施方式
根据图1,用于电线圈1的线端接触的装置包括一个与该装置接触并支撑电线圈1的电路板2。电线圈1的绕组缠绕在一个由塑料制成的线圈架3上。一用于导通外部磁路的U形磁轭围绕电线圈1延伸。电线圈1用于操作一未进一步示出的中心阀的推杆5。
为了实现电线圈1的线端的无焊接触,各线端分别配设有一个压入触头6a,6b并与之电连接。每个压入触头6a和6b在电路板2上都配有一个通孔7a或7b。通过将压入触头6a,6b压入到相应的通孔7a或7b中,不仅实现了线圈1在电路板2上的机械固定,也实现了它们的电连接。由于通孔7a,7b的内壁敷设有金属的印制导线,每条印制导线都分别止于电路板2的多路插接器的一个引脚上。这样实现了各个单独的电线圈并联接线。
根据图2,这里示例性设计在电线圈1上的两个压入触头6a,6b被压入电路板2的对应通孔中,因而形成了机械连接和电连接。压入触头6a和6b(示例性地)处于预紧力中,由此确保可靠的固定。
根据图3,由此达到该预紧力,即,每个压入触头6a(示例性地)具有一个中部凹槽9,用于生成保留在两侧的弹性接片10a和10b。此外,压入触头6a在其末端设导入斜面11。导入斜面11使***相应的通孔7a变得容易。
附图标记列表
1 电线圈
2 电路板
3 线圈架
4 磁轭
5 推杆
6 压入触头
7 通孔
8 多路插接器
9 凹槽
10 接触侧面
11 导入斜面
Claims (8)
1.一种用于电线圈(1)的线端与向该电线圈(1)供电的电路板(2)之间的电接触的装置,其特征为,为实现无焊接触,所述电线圈(1)的线端各配设有一压入触头(6a,6b),该压入触头与所述电路板(2)的对应通孔(7a,7b)嵌接,所述通孔的内壁面覆设有金属的印制导线。
2.按照权利要求1所述的装置,其特征为,所述压入触头(6a,6b)具有一中部凹槽(9),该凹槽用于产生保留在该凹槽两侧的弹性接触侧面(10a,10b)。
3.按照权利要求2所述的装置,其特征为,所述压入触头(6a,6b)在预紧力下压入相应的所述通孔(7a,7b)。
4.按照权利要求1所述的装置,其特征为,在所述电线圈(1)由塑料制成的线圈架(3)的一端侧部段中浇注一对与所述线端连接的压入触头(6a,6b)。
5.按照权利要求1所述的装置,其特征为,所述压入触头(6a,6b)具有U形截面,以便用接触在通孔(7a,7b)的内壁壁面上的侧边区域来保证大面积的电接触。
6.按照权利要求1所述的装置,其特征为,所述压入触头(6a,6b)在其末端具有用于导入所述通孔(7a,7b)的导入斜面(11)。
7.按照前述权利要求之一所述的装置,其特征为,所述电路板(2)具有多对用于承接相应的多个所述电线圈(1)的所述通孔(7a,7b),其中,从所述通孔(7a,7b)中分别引出汇入一多路插接器(8)的电导线组。
8.一种具有多个彼此成排布置的电磁多路阀的阀体单元,该电磁多路阀由电线圈(1)控制,所述电线圈与一个按前述权利要求之一所述的电装置相连。
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DE102008006773.3 | 2008-01-30 | ||
DE102008006773 | 2008-01-30 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105736798A (zh) * | 2014-12-11 | 2016-07-06 | 杭州神林电子有限公司 | 配装与连接方便的多联电磁阀 |
CN107112663A (zh) * | 2015-01-14 | 2017-08-29 | 罗伯特·博世有限公司 | 具有构造为可卷起的压入区的压入触头 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19612907A1 (de) * | 1996-03-30 | 1997-10-02 | Teves Gmbh Alfred | Reglereinheit |
DE19720196C2 (de) * | 1997-05-14 | 2000-03-23 | Trw Automotive Electron & Comp | Messwerk |
DE19725289A1 (de) | 1997-06-14 | 1998-12-17 | Itt Mfg Enterprises Inc | Elektrohydraulische Druckregelvorrichtung |
FR2813352B1 (fr) * | 2000-08-31 | 2003-03-14 | Siemens Automotive Sa | Dispositif de commande d'un systeme fluidique comprenant une pluralite d'electrovannes |
US6472970B1 (en) * | 2001-06-08 | 2002-10-29 | Trw Inc. | Apparatus for attaching an electric coil to a printed circuit board |
-
2009
- 2009-01-23 CN CNA2009100029935A patent/CN101499567A/zh active Pending
- 2009-01-28 EP EP09151550A patent/EP2086060A3/de not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105736798A (zh) * | 2014-12-11 | 2016-07-06 | 杭州神林电子有限公司 | 配装与连接方便的多联电磁阀 |
CN107112663A (zh) * | 2015-01-14 | 2017-08-29 | 罗伯特·博世有限公司 | 具有构造为可卷起的压入区的压入触头 |
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Publication number | Publication date |
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EP2086060A3 (de) | 2010-10-27 |
EP2086060A2 (de) | 2009-08-05 |
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