WO2009100812A2 - Elektrische anschlusseinrichtung - Google Patents
Elektrische anschlusseinrichtung Download PDFInfo
- Publication number
- WO2009100812A2 WO2009100812A2 PCT/EP2009/000459 EP2009000459W WO2009100812A2 WO 2009100812 A2 WO2009100812 A2 WO 2009100812A2 EP 2009000459 W EP2009000459 W EP 2009000459W WO 2009100812 A2 WO2009100812 A2 WO 2009100812A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- contact
- electrical connection
- connection device
- spring
- tulip
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
- H01R13/18—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with the spring member surrounding the socket
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
- H01R13/113—Resilient sockets co-operating with pins or blades having a rectangular transverse section
Definitions
- the invention relates to an electrical connection device, in particular for the transmission of high currents, as required in different technical fields.
- currents of 125 amperes and more are transmitted at voltages of up to 1000 volts.
- conductors with cross sections of 25 or 35 mm 2 may be required.
- connection devices for transmitting high currents have become known in the prior art. These include flat plug contacts and in particular circular plug contacts, in which the contact point is formed substantially rotationally symmetrical. For such high currents, plugs with twisted connection parts are usually used to reliably transmit the occurring current strengths.
- the electrical connection device is particularly suitable for transmitting high currents and comprises at least a flat contact with a contact tulip and a contact blade with a predetermined blade thickness, wherein the flat contact is suitable for receiving the contact blade with the predetermined Messerdicke.
- a force provided for contacting is applied essentially by an over-spring in the contact region.
- the contact tulip in an unloaded state about a free entrance width, which corresponds approximately to the predetermined blade thickness of the contact blade.
- the electrical connection device according to the invention offers considerable advantages.
- By using the over-spring can defined contact forces are applied.
- the solution according to the invention, in which the over-spring applies the contact force precisely in the contact region, has the considerable advantage that settling phenomena on the contact tulip thereby play no or essentially no role.
- the outer over-spring extends over only a portion of the length of the spring arms and the outer over-spring does not act at the contact point, but spaced therefrom. Therefore subsidence phenomena on the current-transmitting spring arms can lead to considerable changes in the contact force.
- a separation of the different tasks, wherein the contact tulip is provided for transmitting the current and wherein the over-spring for applying the contact force is used. The strict separation of the two areas of responsibility ensures a reliable and permanently secure power transmission.
- the contact tulip In principle, it does not matter according to the invention whether a small proportion of the contact force is transmitted by the contact tulip or not, since at least the essential part of the contact force is applied by the over-spring in the contact area.
- the contact tulip In the unloaded state, the contact tulip has approximately a free entry width, which corresponds approximately to the blade thickness of the contact blade to be inserted.
- the contact blade could be inserted without any external force into the contact tulip without any external spring, but the current transmission would not be ensured.
- the outer spring which preloads the contact area with the intended contact force. Defined conditions prevail which are permanently maintained at the contact tulip independently of any possible settlement conditions. This makes it possible to reduce the actual contact force, whereby a higher operating comfort is achieved, whereby both the plugging and the removal of a contact is facilitated.
- the contact tulip has, in particular, at least two contact arms which are spaced apart from one another in the contact region around the entry width.
- a push-through protection is provided, which prevents unintentional insertion, in particular in the rear region of the contact tulip.
- the push-through protection can be designed as a connecting the two contact arms of the contact tulip web, so that a simple and effective push-through protection is provided.
- the over-spring and the contact tulip each have a plurality of fins or mutually associated contact finger pairs.
- the over-spring and the contact tulip each have a plurality of fins or mutually associated contact finger pairs.
- three, four, five, six or even more pairs of contact fingers can be provided, which together form the contact tulip or its contact arms.
- a corresponding number of Studentsfeder- finger pairs is then provided, wherein a Studentsfederfingerpan is assigned in each case a pair of contact fingers.
- a Studentsfederfingerpan is assigned in each case a pair of contact fingers.
- an over-spring finger presses against a contact finger of the contact tulip, so that preferably each contact finger is loaded substantially equally.
- At least one length of the contact fingers of the contact tulip is considerably larger than a corresponding length of the over-spring fingers of the over-spring.
- the obliquely converging areas of the over-spring fingers are considerably shorter than the successive ones tapered areas of the contact fingers.
- the over-spring fingers extend significantly obliquely to the receiving space with a recorded contact blade as the over-spring fingers to the receiving space or the contact blade. This ensures that the spring force of the over-spring is relatively large, while a low spring constant and a large contact surface is provided by the long and relatively less inclined contact spring fingers. The contact force is applied substantially or even almost completely by the over-spring.
- the electrical connection device is designed in particular for contact forces less than 30 and in particular less than 20 Newton.
- each pair of contact fingers brings on contact forces less than 7 and in particular less than 5 Newton.
- contact forces of between about 3 and 4 Newtons are applied per pair of contact fingers. This allows a high level of operating comfort, since only relatively small insertion and removal forces are required in the production or solution of an electrical contact with an electrical connection device.
- the exact number of contact fingers and the overfinger and the respective contact force also depends in particular on the current to be transmitted.
- At least one contact surface of the contact tulip has a layer containing silver.
- Layers containing either silver or silver can significantly reduce friction, allowing for even greater comfort in operation.
- Another advantage of silver or silver containing layers is the good electrical conductivity.
- the electrical connection device according to the invention is particularly suitable for the transmission of currents of large 80 amperes. Preferably, it is suitable for a transmission of currents greater than 100 amperes.
- the contact tulip consists at least in part of copper material and in particular of a copper flat strip material which is e.g. is punched and brought by bending into the desired shape.
- the over-spring preferably consists essentially of steel material and may also be made of a ribbon material by one or more bending operations.
- the push-through protection can be formed by two mutually bent regions.
- the electrical connection device according to the invention can be arranged both on a base strip as well as be designed as a plug. Also a flying arrangement is possible.
- Figure 1 shows the electrical connection device according to the invention in a perspective view
- Figure 2 is a perspective view of the electrical
- Figure 3 is a perspective view of the over-spring of the electrical connection device of Figure 1;
- Figure 4 shows a settlement of the over-spring of the electrical connection device of Figure 1;
- FIG. 5 shows a development of the contact tulip of the electrical connection device according to FIG. 1;
- Figure 6 is a perspective view of another electrical connection device according to the invention.
- FIG. 1 shows a perspective illustration of a connection contact device according to the invention in the form of an electrical connection contact or an electrical connection device 1.
- the electrical connection device 1 comprises a flat contact 2 with at least one contact tulip 3 and an outer spring 6 surrounding the contact tulip 3 on the outside, which serves to ensure the required contact force.
- the contact tulip 3 comprises spring arms 12 and 13, as can be seen in particular the representation of Figure 2 and the processing shown in Figure 5.
- Each contact arm comprises a plurality of here in the exemplary embodiment, five contact fingers 15 which are formed in pairs, so that in each case two contact fingers 15 are aligned with each other.
- a defined entry width 9 is provided in the unloaded state 8, which at least substantially corresponds to the predetermined blade thickness 5 of the contact blade 4. This ensures that not the spring arms 12 and 13 of the contact tulip 3 apply the required clamping force, but that the required contact force is applied by the over-spring fingers 17 of the over-spring 6.
- the over-spring is preferably made of steel or other similar stable material, while the contact tulip with the contact finger pairs 11 advantageously made of copper or a copper alloy.
- the contact fingers 15 may be provided in total or on the contact surface 18 with a silver coating or a silver-containing coating. As a result, a reduction in friction is achieved, whereby the ease of use is increased by lower insertion and removal forces.
- the contact blade 4 is provided in the embodiment shown in Figures 1 to 5 with solder legs 22 to solder the contact blade 4 on a (not shown) circuit board.
- the electrical connection device 1 has at the contact tulip 3 via an electrical connection 19, which can be connected to a (not shown) conductor.
- the electrical connection device 1 can be used as a plug and plugged onto the contact blade 5, which is attached as a current bar to a circuit board.
- the necessary contact force is applied by the over-spring 6, to which the over-spring fingers 17 load the contact finger pairs 11 in the contact region 7 with a defined spring force.
- the length 16 of the over-spring fingers 17 is considerably shorter than the length 14 of the contact fingers 15. This ensures that the contact fingers 15 provide a large contact surface 18, while the over-spring 6 has a relatively large spring constant, so that the applied by the over-spring 6 Spring force is considerably greater than any spring force applied to the contact tulip 3.
- the over-spring 6 brings the contact force. This causes, inter alia, that any settling phenomena on the F ⁇ derarmen 12 and 13 of the contact tulip 3 have no or only a very small influence on the contact force, as this is substantially or entirely determined by the over-spring.
- the contact tulip 3 in the unloaded state has a free opening into which the contact blade 4 can be inserted.
- connection device without contact blade The applicant reserves the right to claim a connection device without contact blade.
- a significant advantage is the formation of the spring arms 12 and 13 with a plurality of contact spring fingers 15, which are provided in a lamellar manner on the spring arms 12 and 13.
- a total of ten contact spring fingers 15 are provided, which each form a total of five contact spring finger pairs.
- Each contact finger 15 is assigned a corresponding over-spring finger 17, which pre-loads the respective contact finger 15 with a defined contact force in order to ensure defined conditions during contact.
- Both the over-spring 6 and the contact tulip 3 are preferably made of one-piece sheet metal parts by bending.
- the developments of the stamped sheet metal parts are shown in FIGS. 4 and 5. This ensures a simple and inexpensive production process, which allows a high quality with good producibility.
- the over-spring 6 is listed so that a spring steel flat band is punched out and bent so that a closed cage is formed, which completely surrounds the elastic side of the tulip contacts. In addition, according to the number of contact spring fingers 15 of the contact tulip 3, the over-spring fingers are formed.
- a push-through protection 10 is provided which prevents insertion of a conductor.
- the electrical connection device 1 can be used in particular in flat connector systems with multipolar connectors.
- the invention allows use at high currents with a simultaneously small size.
- a very narrow pitch of e.g. 15 mm are ensured, while the necessary to operate plug and pull forces are low.
- a silver-based surface ensures trouble-free operation even with vibrations or constantly changing stress influences.
- both the contact tulip and the contact blade is arranged in the plug, as well as the connection of the contact blade or the contact tulip by means of corresponding solder pins in a base bar.
- the electrical connection device 1 is inexpensive to manufacture.
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/808,796 US8182299B2 (en) | 2008-02-14 | 2009-01-24 | Electrical connection device |
CN2009801017736A CN101911395B (zh) | 2008-02-14 | 2009-01-24 | 电性连接装置 |
EP09710771.8A EP2255412B1 (de) | 2008-02-14 | 2009-01-24 | Elektrische anschlusseinrichtung |
JP2010546230A JP5097277B2 (ja) | 2008-02-14 | 2009-01-24 | 電気接続デバイス |
ES09710771.8T ES2626240T3 (es) | 2008-02-14 | 2009-01-24 | Dispositivo de conexión eléctrica |
DK09710771.8T DK2255412T3 (en) | 2008-02-14 | 2009-01-24 | Electrical connection unit |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008009357A DE102008009357A1 (de) | 2008-02-14 | 2008-02-14 | Elektrische Anschlusseinrichtung |
DE102008009357.2 | 2008-02-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2009100812A2 true WO2009100812A2 (de) | 2009-08-20 |
WO2009100812A3 WO2009100812A3 (de) | 2009-10-29 |
Family
ID=40852260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2009/000459 WO2009100812A2 (de) | 2008-02-14 | 2009-01-24 | Elektrische anschlusseinrichtung |
Country Status (8)
Country | Link |
---|---|
US (1) | US8182299B2 (de) |
EP (1) | EP2255412B1 (de) |
JP (1) | JP5097277B2 (de) |
CN (1) | CN101911395B (de) |
DE (1) | DE102008009357A1 (de) |
DK (1) | DK2255412T3 (de) |
ES (1) | ES2626240T3 (de) |
WO (1) | WO2009100812A2 (de) |
Cited By (2)
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CN102446664A (zh) * | 2010-09-30 | 2012-05-09 | 北京人民电器厂有限公司 | 用于可抽出式断路器的电连接结构 |
EP4024424A1 (de) * | 2020-12-29 | 2022-07-06 | Schneider Electric USA, Inc. | Einteilige finger-cluster-unteranordnung |
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US8616926B2 (en) * | 2009-08-17 | 2013-12-31 | Norman R. Byrne | Solid wire terminal |
DE102010008536B4 (de) | 2010-02-18 | 2015-01-15 | Phoenix Contact Gmbh & Co. Kg | Elektrische Anschlusseinrichtung |
CN202076502U (zh) * | 2010-12-30 | 2011-12-14 | 泰科电子(上海)有限公司 | 电连接器 |
DE102011085700A1 (de) * | 2011-11-03 | 2013-05-08 | Bayerische Motoren Werke Aktiengesellschaft | Hochstrom-Steckverbinder für Kraftfahrzeuganwendungen |
US8939787B2 (en) * | 2012-08-27 | 2015-01-27 | Schneider Electric USA, Inc. | Dual material ground clip for a busway plug in unit |
US9437974B2 (en) * | 2012-10-19 | 2016-09-06 | Lear Corporation | Electrical terminal |
CN103794915B (zh) * | 2012-10-30 | 2016-06-15 | 凡甲电子(苏州)有限公司 | 电源连接器 |
US20140120786A1 (en) | 2012-11-01 | 2014-05-01 | Avx Corporation | Single element wire to board connector |
US8721376B1 (en) | 2012-11-01 | 2014-05-13 | Avx Corporation | Single element wire to board connector |
US9065260B2 (en) | 2012-12-06 | 2015-06-23 | Phoenix Contact Development and Manufacturing, Inc. | Modular electric power distribution system |
US9166322B2 (en) | 2013-02-08 | 2015-10-20 | Lear Corporation | Female electric terminal with gap between terminal beams |
DE102013202513B4 (de) * | 2013-02-15 | 2023-04-27 | Te Connectivity Germany Gmbh | Elektrischer Verbinder |
US9397409B2 (en) * | 2013-03-14 | 2016-07-19 | Methode Electronics, Inc. | Electrical connector |
DE102014009208B4 (de) * | 2013-06-21 | 2018-08-09 | Lear Corporation | Elektrische anschlussanordnung |
DE202013103444U1 (de) * | 2013-07-31 | 2014-11-04 | Weidmüller Interface GmbH & Co. KG | Kontaktelement für eine Steckanordnung eines insbesondere außen geführten Bussystems |
DE102014011523A1 (de) | 2013-08-01 | 2015-02-05 | Lear Corporation | Baugruppe eines elektrischen Anschlusses |
US9190756B2 (en) | 2013-08-01 | 2015-11-17 | Lear Corporation | Electrical terminal assembly |
US9257804B1 (en) * | 2013-10-29 | 2016-02-09 | Google Inc. | Pitch agnostic bus-bar with pitch agnostic blind mate connector |
US9711926B2 (en) | 2013-11-19 | 2017-07-18 | Lear Corporation | Method of forming an interface for an electrical terminal |
EP2881679B1 (de) * | 2013-12-03 | 2017-05-10 | Mahle Behr France Rouffach S.A.S | Elektrischer Heizofen |
DE202014011219U1 (de) | 2013-12-12 | 2018-08-27 | Harting Electric Gmbh & Co. Kg | Halterahmen für einen Steckverbinder |
US9595962B1 (en) | 2013-12-27 | 2017-03-14 | Google Inc. | Method to implement a short pin detector on a bus bar |
US9306297B2 (en) * | 2014-04-29 | 2016-04-05 | Avx Corporation | Interlocking poke home contact |
US9391386B2 (en) | 2014-10-06 | 2016-07-12 | Avx Corporation | Caged poke home contact |
US9640888B2 (en) * | 2014-12-05 | 2017-05-02 | Lenovo Enterprise Solutions (Singapore) Pte. Ltd. | Preventing corrosion of an electrical connector |
EP3262719B1 (de) | 2015-02-27 | 2020-08-26 | Byrne, Norman R. | Elektrische kontaktaufnahme für sammelschienen und flachstecker |
DE102016104868B3 (de) * | 2016-03-16 | 2017-05-24 | Wago Verwaltungsgesellschaft Mbh | Federklemmelement |
US9634445B1 (en) | 2016-06-15 | 2017-04-25 | Delphi Technologies, Inc. | Electrical bus bar connector system |
WO2018039123A1 (en) | 2016-08-22 | 2018-03-01 | Interplex Industries, Inc. | Electrical connector |
US10522945B2 (en) | 2016-08-22 | 2019-12-31 | Interplex Industries, Inc. | Electrical connector |
US10320096B2 (en) | 2017-06-01 | 2019-06-11 | Avx Corporation | Flexing poke home contact |
EP3444905A1 (de) * | 2017-08-18 | 2019-02-20 | HILTI Aktiengesellschaft | Steckkupplung für eine akkueinheit |
US10193247B1 (en) * | 2017-11-14 | 2019-01-29 | Lear Corporation | Electrical contact spring with extensions |
CN110224251B (zh) * | 2018-03-01 | 2021-01-29 | 中航光电科技股份有限公司 | 片式接触件、片式插孔及高压互锁连接器 |
US10622771B2 (en) * | 2018-09-07 | 2020-04-14 | Hamilton Sundstrand Corporation | Power modules for power distribution assemblies |
US10826215B2 (en) * | 2018-09-25 | 2020-11-03 | Alltop Electronics (Suzhou) Ltd. | Electrical connector and electrical connector assembly with the same |
DE102019121284A1 (de) * | 2019-08-07 | 2021-02-11 | Dinkle Electric Machinery (China) Co., Ltd. | Verbinder für Hochstromanschluss |
US11069999B2 (en) * | 2019-12-20 | 2021-07-20 | Lear Corporation | Electrical terminal assembly with connection retainer |
DE102021120307B4 (de) | 2021-08-04 | 2023-11-16 | Interplex NAS Electronics GmbH | Kontaktierungsanordnung |
US20230246369A1 (en) * | 2022-01-28 | 2023-08-03 | J.S.T. Corporation | Power connector system having a right-angle type plug connector or a straight type plug connector engageable with a header connector |
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US4583812A (en) | 1984-06-29 | 1986-04-22 | Amp Incorporated | Electrical contact with assist spring |
DE8811020U1 (de) | 1988-08-31 | 1988-10-20 | Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal, De | |
EP0786830A1 (de) | 1996-01-26 | 1997-07-30 | Siemens Aktiengesellschaft | Kontaktfeder |
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FR2828590B1 (fr) * | 2001-08-08 | 2003-09-26 | Framatome Connectors Int | Barre de bus |
FR2844105B1 (fr) * | 2002-08-27 | 2006-11-17 | Framatome Connectors Int | Dispositif de connexion comportant un contact entoure d'un ressort |
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JP2005019199A (ja) * | 2003-06-26 | 2005-01-20 | Terasaki Electric Co Ltd | 端子装置 |
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-
2008
- 2008-02-14 DE DE102008009357A patent/DE102008009357A1/de not_active Withdrawn
-
2009
- 2009-01-24 DK DK09710771.8T patent/DK2255412T3/en active
- 2009-01-24 JP JP2010546230A patent/JP5097277B2/ja not_active Expired - Fee Related
- 2009-01-24 CN CN2009801017736A patent/CN101911395B/zh active Active
- 2009-01-24 EP EP09710771.8A patent/EP2255412B1/de active Active
- 2009-01-24 ES ES09710771.8T patent/ES2626240T3/es active Active
- 2009-01-24 US US12/808,796 patent/US8182299B2/en active Active
- 2009-01-24 WO PCT/EP2009/000459 patent/WO2009100812A2/de active Application Filing
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US4351583A (en) | 1980-06-19 | 1982-09-28 | Gte Products Corporation | Electrical terminal |
US4583812A (en) | 1984-06-29 | 1986-04-22 | Amp Incorporated | Electrical contact with assist spring |
DE8811020U1 (de) | 1988-08-31 | 1988-10-20 | Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal, De | |
EP0786830A1 (de) | 1996-01-26 | 1997-07-30 | Siemens Aktiengesellschaft | Kontaktfeder |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102446664A (zh) * | 2010-09-30 | 2012-05-09 | 北京人民电器厂有限公司 | 用于可抽出式断路器的电连接结构 |
EP4024424A1 (de) * | 2020-12-29 | 2022-07-06 | Schneider Electric USA, Inc. | Einteilige finger-cluster-unteranordnung |
US11936146B2 (en) | 2020-12-29 | 2024-03-19 | Schneider Electric USA, Inc. | Finger cluster connector for a rackable circuit breaker connecting with a grounding bus |
Also Published As
Publication number | Publication date |
---|---|
CN101911395B (zh) | 2013-07-03 |
JP2011512618A (ja) | 2011-04-21 |
US20100311286A1 (en) | 2010-12-09 |
JP5097277B2 (ja) | 2012-12-12 |
EP2255412B1 (de) | 2017-04-12 |
CN101911395A (zh) | 2010-12-08 |
WO2009100812A3 (de) | 2009-10-29 |
ES2626240T3 (es) | 2017-07-24 |
US8182299B2 (en) | 2012-05-22 |
DK2255412T3 (en) | 2017-06-26 |
EP2255412A2 (de) | 2010-12-01 |
DE102008009357A1 (de) | 2009-08-27 |
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