EP1841010A2 - Fiche de contact électrique - Google Patents

Fiche de contact électrique Download PDF

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Publication number
EP1841010A2
EP1841010A2 EP07006117A EP07006117A EP1841010A2 EP 1841010 A2 EP1841010 A2 EP 1841010A2 EP 07006117 A EP07006117 A EP 07006117A EP 07006117 A EP07006117 A EP 07006117A EP 1841010 A2 EP1841010 A2 EP 1841010A2
Authority
EP
European Patent Office
Prior art keywords
contact
contact pin
opening
plug connection
connection unit
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.)
Withdrawn
Application number
EP07006117A
Other languages
German (de)
English (en)
Other versions
EP1841010A3 (fr
Inventor
Thomas Müsel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoppecke Technologies GmbH and Co KG
Original Assignee
Hoppecke Technologies GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hoppecke Technologies GmbH and Co KG filed Critical Hoppecke Technologies GmbH and Co KG
Publication of EP1841010A2 publication Critical patent/EP1841010A2/fr
Publication of EP1841010A3 publication Critical patent/EP1841010A3/fr
Withdrawn legal-status Critical Current

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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
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
    • 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
    • H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H01R4/185—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion combined with a U-shaped insulation-receiving portion

Definitions

  • the present invention relates to a contact pin for a plug connection for producing a detachable, electrical connection with a counter element and a plug connection unit with a contact pin according to the invention.
  • the plug connection can be provided to ensure an energy exchange between the electrical devices connected to one another by means of the plug connection and / or to provide additional electrical variables in addition to a power supply.
  • measuring contact pins can additionally be provided in order to be able to transmit variables such as electrical voltage, electric current and the like, or also communication signals.
  • auxiliary contacts can also be provided to monitor a quality condition of the connector to cause appropriate countermeasures in case of deficiencies.
  • Generic connectors are, for example, in use for connecting electrical energy storage such as batteries, batteries, capacitors and the like to electrical equipment, such as chargers, forklifts, industrial trucks in general, electric vehicles, uninterruptible power supplies and the like.
  • the energy storage is provided for the power supply of a mobile electrical device. If the energy of the energy store is used up, it is necessary to supply energy to the energy store by means of a charging device. Either the energy store is removed from the mobile device and connected to a charging device or the mobile device is connected by means of a cable to a charging device.
  • a suitable connector is required, which is able to transfer the energy.
  • Additional contacts are often provided, with which, for example, the electrical voltage of the energy storage device can be measured, so that the energy storage device, which is to be charged in accordance with a charging characteristic, can be provided with charge as intended.
  • the measurement falsifying effects such as voltage drop across lines and / or connectors can be reduced.
  • the electrical voltage or the temperature at the energy storage device is often directly measured by means of a separate line set, so that signal distortions due to voltage drops across the supply line and the connector and the like can be avoided.
  • the auxiliary contacts are usually connected by means of a solder connection to the corresponding electrical line.
  • the electrical lines are usually made of copper, silver, aluminum, alloys thereof or the like and are often designed as a strand to achieve high flexibility can.
  • soldering the wires are soldered to the corresponding pins.
  • This shows the following problems, namely tend lines from a solid wire to break off at the solder joint. A similar effect occurs with strands that fill with solder during soldering due to Kapillar für and lose their flexibility. The inflexible spot easily leads to breakage.
  • both the electrical line and the contact pin to high temperature act, especially with regard to a possibly provided contact housing, which is often also made of plastic, and can take damage in Lötbe blancung.
  • a generic contact pin is proposed with the present invention, wherein the contact pin connection side has an opening for receiving an electrical line into which a contact element is inserted, which is solder-free connected to the electrical line and insertion a spring, in the direction of electrical conduction having bent contact tongue.
  • the connection can be a clamping, plug-in or latching connection, with which the contact element in the opening of the contact pin can be fixed.
  • Contact pin and / or opening may be conical in order to improve the connection from an electrical and / or mechanical point of view.
  • the present invention also makes it possible to connect a already provided on an electrical device or a connector pin in the assembled state without soldering means of the contact element with the electrical line.
  • the contact pin may be formed, for example, as a banana plug, socket, blade pin or the like. Preferably, it is round, in particular with a circular base formed.
  • the contact pin has a contact region which is provided for producing the electrical connection with the counter element.
  • This is preferably provided in one end of the contact pin.
  • Another area of the contact pin, preferably on opposite end of the contact pin, has the opening which is provided for receiving the contact element.
  • the opening for receiving can be configured as needed, for example, in terms of their cross-section circular, elliptical, square, triangular or the like.
  • the contact pin formed of an electrically conductive material is provided in the region of the opening, for example, with a suitable coating.
  • This can be provided not only to produce a good electrical contact, for example by selecting a suitable material pairing with the contact element, but also to allow a mechanical fixing of the contact element in the opening, for example by the contact element in the opening force and / or can be fixed in a form-fitting, which can be achieved for example by provided in the opening or on the contact element claws or the like.
  • the contact pin may for example be formed from a copper alloy, brass, silver and the like and additionally have a coating which may be formed depending on the application, for example, gold, platinum, tin or the like and also from a suitable alloy.
  • the contact element may for example be formed of a material such as the contact pin, and is formed with its dimensions such that it can be inserted into the opening.
  • the contact element itself has a contact region which can make electrical contact with the opening. Over this the electrical connection is made.
  • the contact element has a region in which the electrical line is fixed. This area can be, for example, a clamping area.
  • the solderless connection can completely avoid the problems of soldering mentioned in the introduction to the description. In particular, it should be noted that the risk of breakage of the electrical line in the region of the connection on the contact pin can be significantly reduced. The reliability of the connection can be significantly increased.
  • the contact element has on the insertion side a bent in the direction of the electrical line contact tongue.
  • the contact element can be fixed by means of the contact tongue in the opening.
  • the contact tongue is resilient, so that it can retreat into the opening during insertion and, as soon as the insertion movement is completed, clawing in a wall of the opening. In this way, a reliable connection can be created, which also can withstand mechanical stresses such as vibrations and the like well.
  • the opening has a radially inwardly projecting shoulder.
  • the opening has a latching groove.
  • the locking groove is provided for receiving the contact tongue, so that a secure connection between the contact element and contact pin can be made.
  • a connection of the contact element with the contact pin is possible only in a predetermined position.
  • To release the connection can be provided, for example, that the contact element is inserted beyond the latch out into the opening, whereupon the latch releases and the contact element is again brought out by twisting out of the opening. It can also be provided that a separate tool is provided for releasing the connection.
  • the opening has a coding.
  • the coding may consist, for example, in the selection of a specific shape of the opening, so that only certain pairs of openings and contact elements can be connected to one another.
  • the coding can also consist in the selection of detent / Rastnutkombinationen to ensure a determination of a contact element only if this is provided for the respective contact pin. In this way, an inadmissible Exchange of connections when using multiple pins or contact elements are avoided.
  • the opening has a contact region for the contact element.
  • the contact region can also be formed with a coating suitable for this purpose, which can be formed, for example, of gold, platinum or the like.
  • the contact tongue can be latched in the opening. This allows a simple determination of the contact element in the opening, at the same time tactile the good connection between the contact element and contact pin is perceptible. A simple, reliable installation can be achieved.
  • the contact element has a latching lug. This can be provided at the contact tongue or at another point of the contact element. It can also be provided a plurality of locking lugs. With simple installation, the holding force can be further increased.
  • connection between the contact pin and the contact element is releasable. This makes it possible to replace defective electrical lines with little effort. It may also be provided that due to technical requirements, other lines are to be connected to the corresponding contact pins. The flexibility with regard to the application can be further increased.
  • the contact element has a coding.
  • This can be formed by different sizes, shapes and additional elements.
  • the contact element may be provided with a Kodiersteg, which in a corresponding groove of the opening intervenes. Only the appropriate pairing of opening and contact element allows their connection.
  • the contact element has a contact region for contacting the contact region of the opening. This makes it possible to produce a reliable electrical connection between the contact element and the contact pin, even with different materials of the contact pin and contact element.
  • the appropriate choice of material pairing allows to achieve high reliability with low electrical resistance.
  • the choice of materials can be suitably selected based on requirements for corrosion and atmospheric stress. A high measuring accuracy and current carrying capacity can be achieved.
  • the spring force can be generated by means of the contact tongue. Separate elastic elements such as springs and the like can be saved. This reduces costs because separate components can be saved.
  • the contact tongue is formed substantially flat. In this way, a robust design can be achieved, which ensures high durability even under mechanical stress such as vibrations and the like. At the same time, the contact tongue can be produced easily and inexpensively using known production methods.
  • the electrical line can be fixed by crimping on the contact element. This allows a reliable connection of the electrical line to the contact element, in addition, especially when using strands good contact with all strands can be achieved. As a result, interference due to increased resistance due to sheared strand elements can be avoided.
  • the connection can also be made quickly and easily with little energy.
  • the contact pin is formed as a sleeve.
  • the sleeve may be cylindrical, for example, with a circular or elliptical surface. Of course, it can also have the shape of a polygon and, if necessary, be configured conical.
  • the sleeve may also have an at least axial longitudinal slot in order to achieve an increased holding force due to a radial elasticity.
  • the contact pin has a guide portion on the plug side.
  • the guide region can be formed, for example, by a cone, but it can also be provided that the guide region be formed in the shape of a cone, truncated cone, pyramid or sphere.
  • the guide region can be formed together with the contact region of the contact pin, or it can also be provided that the guide region is arranged upstream of the contact region in the insertion direction.
  • the invention further proposes a plug connection unit having a plug connection housing in which at least one contact pin according to the invention is arranged, wherein the contact pin is fixedly connected to the plug connection housing.
  • a simplification of the assembly can be achieved because the contact pin can not move relative to the housing.
  • the choice of the material of the connector housing is given a large clearance, since the solder joint is no longer necessary.
  • the known from the soldering problems in the connection of the contact pin to the electrical line, which affect in particular housing damage due to the high temperatures and / or flux can be largely avoided. Separate mounting devices for fixing the contact element on the contact pin can be reduced.
  • the housing has a cable feedthrough.
  • the housing can be completed against an external atmosphere. This is particularly advantageous in corrosive and / or humid atmospheres as well as in the application outside of buildings.
  • additional sealing elements may be provided, for example, sealing rings, sealing lips on the housing and the like.
  • the housing has a strain relief for the electrical line. In this way stresses of a mechanical nature on the electrical line can be kept away from the connection region of the contact pin with the contact element. In addition to electrical safety, the reliability can be improved.
  • the housing is shielded. In this way it can be achieved that the action of electrical, magnetic and electromagnetic interference can be reduced to the contact pin. An improvement in reliability in operation can be achieved.
  • the housing has a connection for a screen of the electrical line. This measure further reduces the influence of electromagnetic interference, whereby the reliability can be further improved.
  • the housing has a coding.
  • the coding is formed by different contact pins.
  • a coding can be achieved inexpensively.
  • a contact pin is formed in a triangular shape and another contact pin in a round shape.
  • a reverse polarity protection can be achieved.
  • the contact pins have different measurements in the plugging direction.
  • the connection between the contact pins and the counter-elements in different, axial positions. It can be provided, for example, that in the manufacture of a two-pin connector, first a ground connection and then only a signal connection is made. Damage to sensitive electrical equipment due to the production of connectors can be reduced in this way.
  • the contact pins are protected from contact.
  • an improvement in electrical safety can be achieved.
  • sensitive electrical devices can be protected against damage by electrostatic charging due to contact contact.
  • the contact pin is designed for a high current load.
  • the application of the present invention can also be achieved in the field of energy supply.
  • the connector unit is a plug.
  • the plug connection unit is a socket.
  • Fig. 1 shows in plan view schematically a plug 34 for connecting a charger not shown to a forklift, also not shown for the purpose of charging its accumulator.
  • the plug 34 has two power contact pins 36, with which the electrical connection to the accumulator can be produced.
  • the charging current is conducted via these contacts, which is why they are reinforced in accordance with their current load.
  • the power contact pins 36 are formed with different diameters.
  • the plug 34 also has an area 38 on which two contact pins 10 are arranged according to the present invention. These are intended to be inserted into two corresponding, not shown sleeves as counter elements as soon as the plug 34 in the corresponding Socket of the forklift is introduced. These are connected directly to the accumulator terminals, so that a quasi unadulterated voltage at the terminals of the accumulator can be measured, because known falsify conduction and contact resistances the measured value for the electrical voltage and can therefore lead to an incomplete charge of the accumulator. With direct voltage measurement, this problem can be reduced.
  • Fig. 2 shows a cable 40 with two electrical leads 14, at the end of each a contact element 16 is arranged.
  • the electrical lines 14 are provided with an unspecified insulation.
  • the contact element 16 has a strain relief 42, which encloses the insulation of the electric power 14 and holds. This compound is usually made by squeezing. This is followed by a clamping region 44, in which the strand of the electrical line 14 is fixed by means of crimping. For this purpose, the insulation in the crimping area has been removed before crimping.
  • a contact region 28 of the contact element 16 which is intended to produce a good conductive electrical contact with the contact pin 10.
  • the contact tongue 20 of the contact element 16 is also recognizable because of the top view. This is flat and bent from the right end of the contact element 16 in the direction of the electrical line 14. Due to the material properties, in this case, the contact element 16 is made of brass, the contact tongue has resilient properties.
  • Fig. 3 shows a single contact element 16 in side view. From Fig. 3 it is further apparent that the contact element 16 has a latching nose 26.
  • Fig. 4 shows the contact pin 10 in a partially broken view in the region of a mounted at one axial end of the contact pin 10 bore 12.
  • the contact pin 10 In the insertion direction 30, the contact pin 10 at its end a spherical cap insertion portion 32.
  • the bore 12 is provided for receiving the contact element 16. It is designed as a blind hole and at the same time represents a stop for the clamping element 16 with respect to a maximum insertion position. In the present Embodiment, it is so far formed in the axial direction that the contact element 16 can be received up to and including the clamping portion 44 within the bore 12. As a result, the clamping region 44 is protected against mechanical influences from the outside.
  • the bore 12 has a contact region 24, which in the mounted state is arranged opposite the contact region 28 of the contact element.
  • the bore further has a latching groove 46, which is provided for receiving the latching lug 26 of the contact element 16.
  • a shoulder 22 is provided at the axial end of the bore 12, which causes an additional fixing of the contact element 16 via the tongue 20.
  • Fig. 5 shows the contact pin 10 with an inserted in its bore 12 contact element 16.
  • the spring action of the tongue 20 presses the two contact portions 24 and 28 against each other, so that a good electrical contact is made.
  • the tongue 20 is mounted on the opposite region of the bore 12.
  • the detent 26 is engaged in the locking groove 46.
  • the shoulder 22 prevents, in conjunction with the contact tongue 20, that the contact element 16 can be removed from the bore 12.
  • both the contact element 16 and the contact pin 10 are formed of brass.
  • the contact areas 24, 28 are gold plated to ensure a permanently reliable electrical connection.
  • the present embodiment is not limitative of the invention.
  • the invention can also be realized in the context of a single plug connection, for example in conjunction with a banana plug or the like.
  • locking and holding elements can also be paired in a dual manner or provided on the corresponding other part, without the scope of the invention being abandoned.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
EP07006117A 2006-03-29 2007-03-24 Fiche de contact électrique Withdrawn EP1841010A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200620005024 DE202006005024U1 (de) 2006-03-29 2006-03-29 Kontaktstift

Publications (2)

Publication Number Publication Date
EP1841010A2 true EP1841010A2 (fr) 2007-10-03
EP1841010A3 EP1841010A3 (fr) 2010-12-22

Family

ID=36580760

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07006117A Withdrawn EP1841010A3 (fr) 2006-03-29 2007-03-24 Fiche de contact électrique

Country Status (2)

Country Link
EP (1) EP1841010A3 (fr)
DE (1) DE202006005024U1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007009060U1 (de) * 2007-06-28 2008-08-07 Osram Gesellschaft mit beschränkter Haftung Elektrische Verbindung zwischen wenigstens zwei Teilen und elektrisches Gerät mit einer derartigen Verbindung
DE102015207488A1 (de) 2015-04-23 2016-10-27 Robert Bosch Gmbh Beschichteter Kontaktpin für eine elektrische Steckverbindung
US11127989B2 (en) 2016-04-26 2021-09-21 Samsung Sdi Co., Ltd. Battery pack

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007058730B4 (de) * 2007-12-06 2010-06-24 Phoenix Contact Gmbh & Co. Kg Adapter mit einem Kontaktteil, elektrische Verbindungsklemme oder elektrisches Gerät und Verwendung des Adapters
DE102011079136A1 (de) 2011-07-14 2013-01-17 Robert Bosch Gmbh Direktsteckelement mit integrierter Verriegelung
DE102013110476A1 (de) * 2013-09-23 2015-03-26 Phoenix Contact Gmbh & Co. Kg Kabelschuheinrichtung mit Strombalken sowie Anschlussklemme
DE202014101825U1 (de) 2013-12-18 2015-03-19 Fct Electronic Gmbh Steckersystem
DE102014103864A1 (de) * 2014-03-20 2015-09-24 Amad Mennekes Holding Gmbh & Co. Kg Steckvorrichtungsmontage in Elektrofahrzeugen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10230367A1 (de) 2002-07-05 2004-01-29 Amphenol-Tuchel Electronics Gmbh Kontakt mit Federklemme

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Publication number Priority date Publication date Assignee Title
US4070088A (en) * 1975-08-05 1978-01-24 Microdot, Inc. Contact construction
US4759728A (en) * 1987-07-13 1988-07-26 Cobb Jerry G Vehicle battery jumper improvement
JPH0718128Y2 (ja) * 1989-04-17 1995-04-26 ホシデン株式会社 多極コネクタ
US20040077224A1 (en) * 2002-05-13 2004-04-22 Marchese Greg M. Combination terminal device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10230367A1 (de) 2002-07-05 2004-01-29 Amphenol-Tuchel Electronics Gmbh Kontakt mit Federklemme

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007009060U1 (de) * 2007-06-28 2008-08-07 Osram Gesellschaft mit beschränkter Haftung Elektrische Verbindung zwischen wenigstens zwei Teilen und elektrisches Gerät mit einer derartigen Verbindung
DE102015207488A1 (de) 2015-04-23 2016-10-27 Robert Bosch Gmbh Beschichteter Kontaktpin für eine elektrische Steckverbindung
US11127989B2 (en) 2016-04-26 2021-09-21 Samsung Sdi Co., Ltd. Battery pack

Also Published As

Publication number Publication date
DE202006005024U1 (de) 2006-05-24
EP1841010A3 (fr) 2010-12-22

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Effective date: 20130917