CN104428849A - Electrical connection arrangement for an ignition coil - Google Patents
Electrical connection arrangement for an ignition coil Download PDFInfo
- Publication number
- CN104428849A CN104428849A CN201380038383.5A CN201380038383A CN104428849A CN 104428849 A CN104428849 A CN 104428849A CN 201380038383 A CN201380038383 A CN 201380038383A CN 104428849 A CN104428849 A CN 104428849A
- Authority
- CN
- China
- Prior art keywords
- recess
- connecting line
- enamelled wire
- contact element
- electric
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/04—Arrangements of electric connections to coils, e.g. leads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
- H01F27/2828—Construction of conductive connections, of leads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/12—Ignition, e.g. for IC engines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
Abstract
The present invention relates to an electrical connection arrangement, particularly for an ignition coil, comprising an enamelled wire (3) enclosed in an insulating varnish, a contact element (4), and an electrical connecting wire (7), wherein the enamelled wire (3) and the connecting wire (7) make electrical contact with the contact element (4) and the contact element (4) has at least a first recess (11) and a second recess (12), which form a necked area (14) between themselves around which the enamelled wire (3) is wound, wherein an alignment of the enamelled wire (3) is on a base region (41, 42) of the first and the second recess (11, 12) parallel to an alignment of the connecting wire (7) on the contact element (4).
Description
Technical field
The present invention relates to a kind of electric jockey, it is particularly useful for ignition coil and is particularly useful for the thin wire that electrical contact enamel-cover encloses.In addition, the present invention relates to a kind of ignition coil and the method for forming cold contact on ignition coil.
Background technology
Ignition coil is disclosed with different designs by prior art.At this, the common contact method normally thermal means of enamelled wire thin in ignition coil, such as soldering or different fusion welding methods.In addition, disclose cold contact by DE 10251841 A1, wherein contact spring is promoted by the coil that is made up of enamelled wire and by the structure bites of spring-like, makes the element be arranged on contact spring break through the insulating barrier of enamelled wire for electrical connection.But in some cases, the electrical contact by means of occlusion process is problematic.In addition, sometimes need other electric structural detail such as diode electrically to be connected on ignition coil.Also be usually provided with thermo-contact at this, this can cause extra work step when contacting electric structural detail.
Summary of the invention
Correspondingly have the following advantages by the electric jockey with feature described in claim 1 of the present invention, namely not only enamelled wire and also the cold contact that needs the electric connecting line be connected with enamelled wire realized by common contact element.By the present invention, common contact element can be used for electrical contact enamelled wire and electric connecting line at this.In addition, the physical dimension of minimizing vertically can be realized by suitable electrical contact by the present invention.Another advantage about structure space is, by need not maintain by electric jockey of the present invention such as soldering turret and similar device extra structure space thus carry out thermo-contact.The layout of the optimization of parts can be realized thus.This realizes by the following method by the present invention, and namely described contact element has the first recess and the second recess, and this first recess and the second recess define constriction zone between himself, around this constriction zone multiple be wound around described enamelled wire.In addition, oriented parallel in the orientation of electric connecting line at contact element place at the first recess of contact element and the bottom section place of the second recess of enamelled wire.Especially the compactedness of electric jockey is ensure that in for the protection of the cold contact of component by this measure.Especially electric jockey arranges the cold contact for realizing connecting line electric on enamelled wire and ignition coil, this electric jockey such as electric member, as diode.
Dependent claims shows preferred improvement project of the present invention.
Described common contact element is particularly preferably contact plate, and this contact plate planar extends and wherein electric connecting line and enamelled wire extend perpendicular to this plane in the first recess and the second recess.
Described common contact element further preferably has the 3rd recess for holding electric connecting line.Thus can connecting line described in cold contact and that the first recess and the second recess are wound around is directed best individually.
According to particularly preferred replacement scheme, described electric connecting line is arranged in the first recess and/or the second recess.Do not need thus to arrange other extra recess on common contact element, but only need just two recesses on the contact members, thus cold contact enamelled wire and electric connecting line.At this, the side particularly preferably electric connecting line being arranged in the side positioning outwardly of winding enamelled wire on the contact members contacts enamelled wire.The enamelled coating of the enamelled wire of outside is made to split and form electrical contact between electric connecting line and enamelled wire thus extraly.At this, on the enamelled wire that electric connecting line is particularly preferably expressed to winding from outside to inside and thus except enamelled coating enamelled wire being positioned at inner side is yet destroyed in the outside of enamelled wire, thus realize cold contact electric especially reliably.
The recess being wherein furnished with electric connecting line particularly preferably has the degree of depth larger than the degree of depth of other recess.Thus ensure that electric connecting line can not protrude past the periphery of contact element in an undesired manner.
In order to ensure reliable especially cold contact, described first recess and the second recess have sharp seamed edge at least respectively.This sharp seamed edge is particularly preferably arranged on bottom section, be preferably arranged on bottom section two freely on seamed edge.
Further preferably, described electric jockey comprises diode, and diode and contact element are coupled together (cold contact) by wherein electric connecting line.
Particularly preferably be, the diameter of described electric connecting line is greater than the diameter of enamelled wire.It is further preferred that the width being wherein furnished with the recess of electric connecting line is greater than the diameter of electric connecting line.Reliable cold contact is realized thus between electric connecting line and contact element.Also ensure described electric connecting line thus can be clipped in recess, thus do not need extra device for being fixed in recess by electric connecting line.
It is further preferred that described first recess and/or the second recess have tapered ingress area and for holding enamelled wire and especially also for holding the housing region of electric connecting line.Thus ensure that and be wound around constriction zone simply by enamelled wire and also ensure that flawless manufacture thus.
It is further preferred that described first recess and the second recess vertical orientation.Preferably described first recess and the second recess are opposed on mutually opposing side on the contact members.
In addition, the present invention relates to a kind of ignition coil, it comprises by electric jockey of the present invention.At this, preferably electric contacts is arranged on coil case.It is further preferred that described ignition coil comprises diode, this diode is via electric connecting line and enamelled wire cold contact.The axis of diode is preferably coaxial with the axis of electric connecting line at this.Special compact structure can be guaranteed thus.The axis of diode is also preferably perpendicular to the longitudinal axis setting of ignition coil.
The invention still further relates to a kind of method of the electric jockey for the formation of ignition coil, this ignition coil only has cold contact, to be wherein wrapped in by enamelled wire on the first recess and the second recess on the contact members in a first step on constriction zone multiplely and the enamelled wire subsequently electric connecting line being preferably placed on contact element from the outside the winding in wherein at least one recess with the diameter larger than enamelled wire is pressed onto on the enamelled wire of this winding.Realize the cold contact improved thus, because enamelled wire is split by the winding on constriction zone and is realized cold contact on the one hand, and extra power is applied on the enamelled wire of winding by the additional step on the other hand by inserting electric connecting line from the outside, this enamelled wire promotes extra paint wearing and tearing, thus realizes the cold contact of improvement.Meanwhile, also providing cold contact between contact element in other words at electric connecting line and enamelled wire at this, providing particularly by arranging press-fit (Presspassung) between electric connecting line and recess.
Accompanying drawing explanation
The preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.The parts that identical function is in other words identical represent with identical Reference numeral in an embodiment.In the accompanying drawings:
Fig. 1 is the schematic plan of the ignition coil by the first embodiment of the present invention,
Fig. 2 is the perspective detail view of the contact element of Fig. 1,
Fig. 3 is the schematic cross sectional views of the contact element of Fig. 2,
Fig. 4 is the perspective view of the electric jockey by second embodiment of the invention, and
Fig. 5 is the schematic diagram of the electric jockey by third embodiment of the invention.
Embodiment
Electric jockey 2 for ignition coil 1 is described in detail to 3 referring to Fig. 1.
As seen from Fig. 1, by ignition coil 1 of the present invention comprise electric jockey 2 and with many around the coil case 20 of chamber 21, be wound around enamelled wire 3 in the cavity multiplely.
Described electric jockey 2 comprises the contact element 4 of tabular, and this contact element is only arranged in plane E.Described contact element 4 has the first recess 11 and the second recess 12, and this first recess and the second recess define constriction zone 14 in-between.At this, the first recess 11 and the second recess 12 are arranged opposed to each other and have the identical degree of depth.As found out from Fig. 2, enamelled wire 3 carries out being wound around around constriction zone 14 multiplely and leads to coil case 20.At this, the first recess 11 and the second recess 12 are provided with the first ingress area 15 and the second ingress area 16 for being wrapped in more simply by enamelled wire on constriction zone 14 respectively.Described first recess 11 and the second recess 12 also have housing region 17,18 respectively, arrange enamelled wire 3 and electric connecting line 7 in this housing region.
At this, so select the diameter of electric connecting line 7, electric connecting line 7 can be pressed in the first recess 11 regularly.As especially found out from the cutaway view of Fig. 3, after being wrapped on constriction zone 14 by enamelled wire 3, the seamed edge of cusped edge is become to contact multiple single enamelled wire and the possessive construction of constriction zone 14 thus, thus especially tear enamelled coating in seamed edge region, thus guarantee that rib contacts.At this, electric connecting line 7 is pressed onto the outmost enamelled wire 3 in the first recess 11 extraly, thus realizes cold contact extraly at this.Meanwhile, electric connecting line 7 with topmost directly produce with contact element 4 and be electrically connected between outmost enamelled wire 3.
As especially found out from Fig. 1 further, the orientation of said electric connecting line 7 is such, the axis Y-Y of namely electric connecting line 7 perpendicular to the axis X-X(of ignition coil 1 see Fig. 1).In addition, the diode 8 be connected with contact element 4 via electric connecting line 7 is also so directed, and the longitudinal axis orthogonal overlapping with the axis Y-Y of electric connecting line 7 making diode 8 is in the axis X-X of ignition coil 1.Can closely arrange diode 8 thus, or also arrange that other is positioned at the electronic component on ignition coil 1 compactly.
As thus especially from Fig. 2 and 3 see, thus, on the contact members oriented parallel in the electric orientation of connecting line 7 on contact element 4 of the enamelled wire 3 on the bottom section 41,42 of the first recess and the second recess 11,12.In addition, electric connecting line 7 and enamelled wire 3 extend perpendicular to plane E on bottom section 41,42, and contact element 4 is arranged in this plane.Diode 8 or other electric structural detail can be attached on ignition coil 1 especially compactly thus by design of the present invention.
As especially seen from Fig. 3, the degree of depth T1 of the first recess 11 is equal to the degree of depth T2 of the second recess 12.At this, so select the housing region 17 of the first recess 11, thus by the enamelled wire 3 of many windings and electric connecting line 7 can not only can be contained in completely in the first housing region 17.Thus, described contact element 4 has the H-shaped shape with connecting area 22 on coil case 20 substantially.At this, other electric member such as also can carry out (contact) with other electric connecting line extraly from other direction on the second recess 12 or also on the first recess 11.Arrange by contact element 4 of the present invention for the multiple electric structural detail of cold contact except enamelled wire 3 such as diode 8 thus.The electrical contact of connecting line 7 can simply by being press-fitted incompatible realization between connecting line 7 and the first recess 11 at this.
Thus, by the solution needing simple realization that invention shows for the enamelled wire on the common contact element 4 of cold contact and electric connecting line, its especially with the connection of ignition coil in be particularly advantageous.Especially can by making Touch error minimize by design of the present invention.Also the quick and simple visual inspection of the contact carried out can be realized by the present invention.Contact element 4 can being configured to simple plate stamping part at this, also automatically obtaining very sharp seamed edge thus for tearing the enamelled coating on enamelled wire 3.Manufacturing cost can be reduced further thus.Especially do not need to remove the insulating lacquer layer on enamelled wire 3 in advance by the present invention.Another is by the invention has the advantages that, need not stretch out thread end freely on enamelled wire 3 and electric connecting line 7.Thus, avoid electric field too high when especially can there is high pressure on ignition coil.Can also optimization is extra in structure space electric member such as diode 8 and linking by means of cold contact equally.
Fig. 4 shows the second embodiment of the present invention, and wherein the degree of depth T2 of the second recess 12 constructs be less than the degree of depth T1 of the first recess 11.Therefore this can because the second recess 12 need hold the enamelled wire 3 of many windings.In addition, described second recess 12 is only configured with housing region 18, and this housing region constructs be tapered.Thus, especially can optimize contact element 4 size vertically and structure space can be saved further.
Fig. 5 shows the 3rd execution mode by electrical connecting element 2 of the present invention, and the difference of itself and foregoing embodiment is to have the 3rd recess 13.3rd recess 13 is used herein to and holds electric connecting line 7 individually.In addition be provided with the first recess and the second recess 11,12, described recess defines constriction zone 14 in-between, is wound around enamelled wire 3 around this constriction zone.In addition, contact element 4 is provided with foot 40, with this foot, contact element 4 is fixed on coil case 20.At this, not only this foot 40 but also remaining contact element 4 are positioned at common plane again.In addition, described electric connecting line 7 and enamelled wire 3 are so arranged on contact element 4 in the region of constriction zone 14 again, make its orientation perpendicular to plane E.At this, so the described foot 40 of design, makes it just can be permanently connected with it only by the grafting on coil case 2.
Thus, all described preferred implementations of the present invention show favourable ignition coil 1, wherein can not only be interconnected enamelled wire 3 by means of cold contact, and can be interconnected other electric member.No longer need fusion process or brazing process or similar procedure thus, thus especially can reduce manufacturing cost significantly.In addition can by the suitable design of the contact element 4 of tabular implementation structure space optimization when linking extra electric member.
Claims (12)
1. be particularly useful for the electric jockey of ignition coil, it comprises:
-the enamelled wire (3) that surrounded by insulating varnish,
-contact element (4), and
-electric connecting line (7),
It is characterized in that,
Contact element (4) described in-described enamelled wire (3) and described connecting line (7) electrical contact, and
-described contact element (4) has at least one first recess (11) and the second recess (12), and described first recess and described second recess define constriction zone (14) between himself, are wound around described enamelled wire (3) around described constriction zone,
Oriented parallel in the orientation of described connecting line (7) at described contact element (4) place at bottom section (41, the 42) place of described first recess and the second recess (11,12) of-wherein said enamelled wire (3).
2. by jockey according to claim 1, it is characterized in that, described contact element (4) is contact plate, and described contact plate extends in plane (E) and described electric connecting line (7) and described enamelled wire (3) extend perpendicular to described plane (E) in described first recess and the second recess.
3., by jockey according to claim 2, it is characterized in that, described contact element (4) also has the 3rd recess (13) for holding described electric connecting line (7).
4., by the jockey described in claim 1 or 2, it is characterized in that, described electric connecting line (7) is arranged in described first recess and/or the second recess.
5. by jockey according to claim 4, it is characterized in that, on the side outside the sensing that described electric connecting line (7) is arranged in the enamelled wire (3) be wrapped on described contact element (4).
6., by the jockey described in claim 4 or 5, it is characterized in that, the first recess (11) being wherein furnished with electric connecting line (7) has the degree of depth (T1) larger than the degree of depth (T2) of described second recess (12).
7. by jockey according to any one of the claims, it is characterized in that, the seamed edge on the bottom section (41,42) of described first recess and/or the second recess is configured to sharp seamed edge.
8. by the jockey according to any one of the claims, also comprise electric structural detail (8), especially diode, described electric structural detail (8) and described contact element (4) couple together by wherein said electric connecting line (7).
9., by the jockey according to any one of claim 4 to 8, it is characterized in that,
The diameter of-described electric connecting line (7) is greater than the diameter of described enamelled wire (3), and/or
-the width that is wherein furnished with first recess (11) of described electric connecting line (7) is equal to or less than the diameter of described electric connecting line (7).
10., by the jockey according to any one of the claims, it is characterized in that, described first recess (11) has tapered ingress area (14) and the housing region (17) for holding described enamelled wire (3).
11. ignition coils, comprise by the electric jockey (2) according to any one of the claims.
12. for the manufacture of the method for the electric jockey (2) of ignition coil, described ignition coil only has cold contact, wherein on contact element (4), is wrapped in constriction zone (14) place and subsequently electric connecting line (7) is preferably placed to from the outside the enamelled wire (3) of the winding at least one recess of described recess on contact element with the diameter larger than described enamelled wire upper and be pressed onto on the enamelled wire of described winding at the first recess and the second recess (11,12) place by multiple for enamelled wire (3) in a first step.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012212617.1A DE102012212617A1 (en) | 2012-07-18 | 2012-07-18 | Electrical connection arrangement for an ignition coil |
| DE102012212617.1 | 2012-07-18 | ||
| PCT/EP2013/062863 WO2014012738A1 (en) | 2012-07-18 | 2013-06-20 | Electrical connection arrangement for an ignition coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104428849A true CN104428849A (en) | 2015-03-18 |
Family
ID=48692488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380038383.5A Pending CN104428849A (en) | 2012-07-18 | 2013-06-20 | Electrical connection arrangement for an ignition coil |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN104428849A (en) |
| BR (1) | BR112015000936A2 (en) |
| DE (1) | DE102012212617A1 (en) |
| WO (1) | WO2014012738A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039811A (en) * | 2016-01-14 | 2017-08-11 | 泰科电子（Amp)意大利公司 | Connector for magnet coil |
| CN109216949A (en) * | 2017-07-06 | 2019-01-15 | 泰科电子（Amp)意大利公司 | Electric connector |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014110533B4 (en) * | 2014-07-25 | 2017-05-11 | Unger Kabel-Konfektionstechnik GmbH & Co. KG | Connection system for electrical appliances |
| DE102014219725A1 (en) | 2014-09-29 | 2016-03-31 | Robert Bosch Gmbh | Ignition coil with simplified contacting of a suppression device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3910666A (en) * | 1973-07-27 | 1975-10-07 | Robertshaw Controls Co | Electrical terminal and method of forming an electrical connection therewith |
| US4749365A (en) * | 1987-01-09 | 1988-06-07 | George Magnifico | Insulation displacement terminal |
| US20040097125A1 (en) * | 2002-09-25 | 2004-05-20 | Anthony Freakes | Electrical connector devices and methods for employing same |
| US20100107407A1 (en) * | 2008-10-31 | 2010-05-06 | Anthony Freakes | Insulation Displacement Connector |
| CN201673797U (en) * | 2010-05-13 | 2010-12-15 | 安徽祈艾特电子科技有限公司 | Four-cylinder igniting coil with kenetron |
| CN202134663U (en) * | 2011-04-27 | 2012-02-01 | 杭州富生电器有限公司 | Connection terminal of refrigeration compressor motor aluminum enameled wire |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH534966A (en) * | 1971-02-04 | 1973-03-15 | Elektro App Bau F Knobel & Co | Contact piece for solderless connection and use of an insulated electrical conductor |
| JP2003074596A (en) * | 2001-09-03 | 2003-03-12 | Sanden Corp | Yoke for electromagnetic clutch |
| DE10251841A1 (en) | 2002-11-07 | 2004-05-19 | Robert Bosch Gmbh | Electrical connector for rod-shaped ignition coil, has contact spring which is displaced across contact region, and makes contact with secondary coil when in end position |
-
2012
- 2012-07-18 DE DE102012212617.1A patent/DE102012212617A1/en not_active Withdrawn
-
2013
- 2013-06-20 BR BR112015000936A patent/BR112015000936A2/en not_active IP Right Cessation
- 2013-06-20 WO PCT/EP2013/062863 patent/WO2014012738A1/en active Application Filing
- 2013-06-20 CN CN201380038383.5A patent/CN104428849A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3910666A (en) * | 1973-07-27 | 1975-10-07 | Robertshaw Controls Co | Electrical terminal and method of forming an electrical connection therewith |
| US4749365A (en) * | 1987-01-09 | 1988-06-07 | George Magnifico | Insulation displacement terminal |
| US20040097125A1 (en) * | 2002-09-25 | 2004-05-20 | Anthony Freakes | Electrical connector devices and methods for employing same |
| US20100107407A1 (en) * | 2008-10-31 | 2010-05-06 | Anthony Freakes | Insulation Displacement Connector |
| CN201673797U (en) * | 2010-05-13 | 2010-12-15 | 安徽祈艾特电子科技有限公司 | Four-cylinder igniting coil with kenetron |
| CN202134663U (en) * | 2011-04-27 | 2012-02-01 | 杭州富生电器有限公司 | Connection terminal of refrigeration compressor motor aluminum enameled wire |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039811A (en) * | 2016-01-14 | 2017-08-11 | 泰科电子（Amp)意大利公司 | Connector for magnet coil |
| CN107039811B (en) * | 2016-01-14 | 2020-05-05 | 泰连意大利经销公司 | Connector for electromagnetic coil |
| CN109216949A (en) * | 2017-07-06 | 2019-01-15 | 泰科电子（Amp)意大利公司 | Electric connector |
| CN109216949B (en) * | 2017-07-06 | 2021-06-29 | 泰连意大利经销公司 | Electrical connector |
Also Published As
| Publication number | Publication date |
|---|---|
| BR112015000936A2 (en) | 2017-06-27 |
| WO2014012738A1 (en) | 2014-01-23 |
| DE102012212617A1 (en) | 2014-01-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150318 |
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| WD01 | Invention patent application deemed withdrawn after publication |