CN204179259U - 具有带焊针的接触销的引线框架 - Google Patents

具有带焊针的接触销的引线框架 Download PDF

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Publication number
CN204179259U
CN204179259U CN201420357908.3U CN201420357908U CN204179259U CN 204179259 U CN204179259 U CN 204179259U CN 201420357908 U CN201420357908 U CN 201420357908U CN 204179259 U CN204179259 U CN 204179259U
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CN
China
Prior art keywords
capillary
lead frame
contact plug
section
circuit board
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN201420357908.3U
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English (en)
Inventor
迪尔克·拉施克
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ZF Friedrichshafen AG
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ZF Friedrichshafen AG
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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
    • 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
    • H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
    • H05K3/3447—Lead-in-hole components
    • 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
    • H05K2201/10227—Other objects, e.g. metallic pieces
    • H05K2201/10295—Metallic connector elements partly mounted in a hole of the PCB
    • 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
    • H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
    • H05K2201/10742—Details of leads
    • H05K2201/1075—Shape details
    • H05K2201/1081—Special cross-section of a lead; Different cross-sections of different leads; Matching cross-section, e.g. matched to a land

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

本实用新型涉及一种具有带焊针的接触销的引线框架(2)，该接触销(5)利用焊针(6)引入到至少一个实施在电路板(1)中的焊眼(3)中，其中，焊针(6)具有n边形的横截面，其中n>4。

Description

具有带焊针的接触销的引线框架
技术领域
本实用新型涉及一种具有接触销的引线框架。 
背景技术
为了在电路板与例如插头之间建立电连接(譬如在用于机动车的变速器控制设备中)，通常把引线框架焊到电路板中。为此，电路板具有焊眼，引线框架通过相应的接触销焊到该焊眼中。 
在有较高装载的电路板情形中通常使用双面电路板，它们在用于紧固引线框架的焊眼区域中贯通接触。在此，焊眼定义为被铜圈包围的孔，在其上焊有引线框架的构件(在此为接触销)。 
引线框架是通过冲压产生的平面结构。一种常见的应用是在仅一个制造步骤中制作由金属带材制成的电导体系统。于是，产品类似于如电子批量元件中的那样的电路板。在进一步的加工步骤中，引线框架可以被塑料包护，或者表面可以被电镀加工。通常，引线框架是单独的构件。 
在引线框架与电路板连接时的问题是，在引线框架的接触销与电路板之间的焊接连接不是最优的。对此原因在于，在焊眼与接触销之间的区域没有充分地以焊锡填充。 
实用新型内容
本实用新型的任务在于，建议一种具有带焊针的接触销的引线框架，其中，能够实现在接触销与电路板的焊眼之间的改进的焊接连接。 
这个任务借助根据一种引线框架来解决。本实用新型的有利设计方案将在下文中进一步描述。 
根据本实用新型，引线框架具有带焊针的接触销，接触销利用焊针引入到至少一个实施在电路板中的焊眼中。在此，焊针具有n边形的横截面，其中n>4。从现有技术中并不已知冲压产品的这类横截面，这是因为建立这类横截面是生产技术复杂的。出于这个原因，在现有技术中仅已知冲压产品的矩形的横截面。 
由此，在焊针与焊眼之间的空隙尺寸(Spaltmaβ)减小。焊针的横截面接近圆形横截面。由此可以实现，焊料在焊针与焊眼的内表面之间的空隙中均匀地分布，并且因而形成最优的焊接连接。 
在一种实施方式中，焊针具有八边形的横截面。该横截面对于应用而言是足够充分地接近圆形横截面的。 
在另一实施方式中，焊针在所有侧上镀锡。由此保证焊接材料达到与焊针的最优连接。 
在这类引线框架的可行的制造工艺方面，焊针要么可以在冲压工艺之前已经镀锡，要么在冲压工艺完工之后给焊针镀锡。显然，也可行的是，已经镀锡的焊针在完工之后再次镀锡，以便消除由冲压工艺造成的损伤。 
附图说明
此外结合附图详细地阐述本实用新型。其中： 
图1示出引线框架和电路板的示意性视图； 
图2a示出根据本实用新型的在焊眼中的示例性的焊针的示意性视图； 
图2b示出根据现有技术的在焊眼中的示例性的焊针的示意性视图。 
具体实施方式
图1以示意性视图示出了引线框架2和电路板1。引线框架2具有带焊针6的接触销5。焊针6通常是接触销5的区段，适宜地，焊针6构造成接触销5。 
在电路板1中实施有焊眼3。在此，该焊眼3具有铜圈4。适宜地，焊眼3的内表面7也设置有铜层。 
引线框架2的接触销5贯穿通过焊眼3。但是在变型方案中也可行的是，接触销5终止在焊眼3之内。 
图2a和图2b示出在电路板1的焊眼3中的焊针6的示意性视图。在此，图2a示出具有八边形横截面的焊针6。图2b示出具有矩形(在此为正方形)横截面的焊针6。能看出的是，空隙尺寸S在具有八边形横截面的焊针6中明显小于在具有正方形横截面的焊针6中的空隙尺寸。 
附图标记列表 
1  电路板 
2  引线框架 
3  焊眼 
4  铜圈 
5  接触销 
6  焊针 
7  焊眼内表面 
S  空隙尺寸 

Claims (3)

1.一种具有带焊针的接触销(5)的引线框架(2)，所述接触销利用焊针(6)引入到至少一个实施在电路板(1)中的焊眼(3)中，其特征在于，所述焊针(6)具有n边形的横截面，其中n>4。 
2.根据权利要求1所述的引线框架，其特征在于，所述焊针(6)具有八边形的横截面。 
3.根据权利要求1或2所述的引线框架，其特征在于，所述焊针(6)在所有侧上镀锡。 
CN201420357908.3U 2013-07-29 2014-06-30 具有带焊针的接触销的引线框架 Expired - Fee Related CN204179259U (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013214707.4A DE102013214707A1 (de) 2013-07-29 2013-07-29 Stanzgitter mit einem Kontaktstift
DE102013214707.4 2013-07-29

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CN204179259U true CN204179259U (zh) 2015-02-25

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DE (1) DE102013214707A1 (zh)

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* Cited by examiner, † Cited by third party
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DE29817129U1 (de) * 1998-09-24 2000-02-24 Bosch Gmbh Robert Kontaktelement mit Lötanschluß

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