EP1999820A1 - Borne de connexion pour cartes de circuit imprimé - Google Patents

Borne de connexion pour cartes de circuit imprimé

Info

Publication number
EP1999820A1
EP1999820A1 EP07723683A EP07723683A EP1999820A1 EP 1999820 A1 EP1999820 A1 EP 1999820A1 EP 07723683 A EP07723683 A EP 07723683A EP 07723683 A EP07723683 A EP 07723683A EP 1999820 A1 EP1999820 A1 EP 1999820A1
Authority
EP
European Patent Office
Prior art keywords
terminal
spring
spring force
force element
electrical
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.)
Granted
Application number
EP07723683A
Other languages
German (de)
English (en)
Other versions
EP1999820B1 (fr
Inventor
Dieter Holste
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.)
Phoenix Contact GmbH and Co KG
Original Assignee
Phoenix Contact 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 Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Publication of EP1999820A1 publication Critical patent/EP1999820A1/fr
Application granted granted Critical
Publication of EP1999820B1 publication Critical patent/EP1999820B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
    • H01R4/48365—Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release means
    • 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
    • H01R12/70—Coupling devices
    • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/778—Coupling parts carrying sockets, clips or analogous counter-contacts
    • 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
    • H01R13/115—U-shaped sockets having inwardly bent legs, e.g. spade type
    • 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
    • H01R13/17—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member on the pin
    • 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

Definitions

  • the present invention relates generally to the field of basic electrical structural assemblies.
  • Such a connection in particular from the field of terminals, represents the electrical terminal.
  • the terminal serves as a link in the PCB connection technology for reliable supply of industrial electronics and economic single wiring on printed circuits and is referred to, for example, as a connector.
  • the terminal in particular connectors for electrical Konlaktieren and attaching to a baseboard equipped circuit board or an electrical device or the like, for at least one electrical conductor, there are, as known from the prior art, in many constructions, such as in unipolar or Mopoliger execution, with a block or tiered insulating loffgephaseuse, wherein the insulating housing at least one insertion opening for insertion of an electrical conductor, at least one insertion opening for inserting a contact pin in the socket contact and an opening for the Betreliistsmiltel in the form of a
  • Such terminals in particular connectors, are well known from the prior art and can, for example, the product catalog "PCB connection COMBICON 2005" TNR 5169412 / 31.12. 2004-00 of the company Phoenix Contact GmbH & Co KG, where there are such connectors in spring-cage connection technology for almost all applications in building services and telecommunications. All terminals, especially connectors of this type, are characterized by large clamping capacity, space-saving dimensions and versatility in connection technology. One series of these connectors relates to the spring-loaded terminal in leg spring technology.
  • Connectors of this type are a mass product. This results in the requirement that on the one hand the connection of the electrical conductors should be possible quickly and easily and on the other hand, the individual parts of the connector, in compliance with the guidelines and standards for electrically conductive components, inexpensive to manufacture, easy to assemble mechanically and taking into account the development needs in the spatial size to reduce the insulating material of the terminals in the size to adapt the connector to the ever-smaller space on the circuit boards.
  • each component is therefore to optimize its function and a closed system in which the contact-containing spring force element is so connected to the current-conducting pad, the electrical rail, that the contact is independent of an insulating material and consequently also a displacement of the spring force element at high temperatures is excluded due to softening and change in shape of the insulating material to create.
  • the invention is therefore an object of the invention to provide a terminal of the type mentioned above, which avoids the aforementioned disadvantages of the known arrangements of the prior art and to provide a technical solution that allows a cost-effective, equipped with simple functional geometry and small size Connection terminal, which is easy and quick to assemble, and whose terminal contact is independent of the insulating material, to produce for the PCB connections.
  • the invention proposes a
  • Connectors are characterized by space-saving design, fast connection technology by spring force and have none
  • the universal applicability of the terminal refers both to the vertical and the horizontal direction of insertion of the connector to be connected in conjunction with the base bar and the electrical conductors to be connected thereto on the circuit board.
  • the quick and secure clamping connection should be made by the spring-loaded connection technology, which lies in the fast connection of the electrical conductor or the electrical conductor without special tools.
  • the clamping system is based on the leg spring principle and can clamp one or more electrical conductors of the same or different potential.
  • the main task is to reduce the size of the insulating housing and to produce simple components that are easy and fast to assemble.
  • This object is achieved according to the invention by developing a plug connector which ensures the advantages of the spring force technology and the advantages of high clamping reliability through reliable mechanical connection and reliable electrical contact, whereby the module is further miniaturized in order to simultaneously increase the packing density on the printed circuit board.
  • a terminal in particular connector, usually consists of an insulating material, a contact insert, a spring force element and is, depending on the design, equipped with or without a lever opener.
  • a connector according to the teachings of the invention has a one-piece contact insert which is stamped out of a flat, electrically conductive strip material, wherein the strip material consists of a high-voltage copper alloy that is resistant to stress corrosion cracking so that the current transition is not affected.
  • a plurality of end pieces preferably five end pieces are formed on the strip material after punching.
  • the band material has the task to serve as an electrical rail and the electrical conductor to be connected to provide an optimal contact surface and on the other hand from the end pieces a contact element as a female contact to connect a contact pin, for example, in the base bar to form.
  • Other tails are used according to the invention the spring force element Fastening means, wherein the end pieces form a u-shaped spring cage as fastening means.
  • the U-shaped spring cage has two retaining arms, which have openings for receiving the retaining means of the spring force element, wherein the retaining means of the spring force element of projections which engage in the openings of the retaining arms of the Federkalf ⁇ gs exist.
  • the U-shaped spring cage has a bias, so that it rests without mounting air on the bearing surfaces of the leg spring.
  • the assembly thus mounted has sufficient stability so that it can be mounted without additional measures in the associated insulating housing.
  • the deflection of the spring force element is effected by inserting a sufficiently kink-resistant electrical conductor or by means of an insulating housing located in the actuating means, preferably spring trigger, which can be operated with a commercial operating tool.
  • the spring force element can also be formed from a spring assembly, wherein the spring assembly of individual leg springs is composed. This advantage according to the invention is made possible by the different sizes of the openings in the holding arms of the contact insert.
  • the inventively designed spring force element with simple cut geometry and their easy installation in the advantageous connection with the contact insert, a closed clamping cage, whereby it is possible to reduce the height of the insulating material decisively.
  • the insulating material made of thermoplastic material by injection molding therefore, can be optimally designed to the electrical insulating properties
  • Figure 1 is a perspective view of a terminal in section with a mounted on a circuit board base bar and
  • Figure 2 is a perspective view of a spring force element according to the invention.
  • FIG. 3 is a perspective view of a contact element according to the invention
  • Fig.l is an advantageous embodiment of a terminal 1 according to the invention in complete form after generic type of connector 2 in a miniaturized version of the insulating housing 3 in block design shown in section, which is attachable to a circuit board 4 with mounted base bar 5, wherein the Base bar 5 5 has a number of poles of two to 12 and in the vertical or horizontal direction of insertion to the circuit board, for example by a through hole reflow method 4, may be attached.
  • the terminal 1 consists of the elements insulating housing 3, wherein the insulating housing 3 in block design in two parts, in an upper and lower half of the housing
  • actuating means 8 preferably a handle part made of plastic for opening the nip 9 by applying an actuating tool 10
  • at least one spring force element 1 consisting of a material strip 12, preferably spring band steel, punched out and formed leg spring 13 for clamping an electrical conductor 6, with at least one ⁇ 5 contact insert 14, consisting of a molded and formed from an electrically conductive strip material 15 electric rail 16, wherein the electrical rail 16 a contact surface 17 for the electrical conductor 6 and a Contact element 18 has a female contact for attaching the terminal 1 to a contact pin 7, and means 19 for fixing the insulating housing 3.
  • the embodiment according to the invention of the spring force element 11 and that of the contact insert 14 can be seen in FIGS. 2 and 3.
  • FIG. 2 shows a perspective view of an advantageous embodiment of a spring force element according to the invention 1 1, consisting of a single leg spring 13, wherein the spring force element 1 1 from a spring assembly (not shown) may exist.
  • the spring assembly may be composed of several individual torsion springs 13 together, preferably from two legs springs 13.
  • the legs used in the spring package springs 13 may have the same contours, but also different contours. With the same contours, in turn, different thicknesses in the material thickness of the material strip 12 can be used, whereby a multiplicity of different forces can be set at the terminal point of the connection terminal. That is, with the same terminal can be adjusted individually by the appropriate selected leg spring 13 clamping force required for the application, resulting in a reliable mechanical connection and reliable contact with the conductor connection.
  • a terminal 1 is provided for connection of a rigid electrical conductor 6 with a contact insert 14 and spring force element 11, which may contain another spring force element 1 1 for the same conductor cross-section for fine-wire conductor 6.
  • the U-shaped loop 25 of the shaped leg spring 13 serves for the mobility of the free leg 24 and the deflection of the force of the attachable in the opening 47 of the contact insert 14 leg 23 on the movable leg 24th
  • the spring force element 11 therefore contains means 20 for attachment to the contact insert 14, wherein the means 20 consist of geometrically arranged holding means 21.
  • the contour of the leg spring 13 is designed such that at the two longitudinal sides 26 of the leg spring 13 at the end of the leg 23 to be fastened two Holding means 21 lying parallel to one another are arranged.
  • the holding means 21 consist of projections 22, wherein the shape of the projections 22 are adapted to the shape of the openings 47 in the contact insert 14 and correspond in cross section to a square or a Rechleck, preferably a rectangle.
  • FIG. 3 is a perspective view of an advantageous embodiment of a contact insert 14 according to the invention of the type in question for a connector 2 refer to the
  • Contact insert 14 is made of a flat electrically conductive strip material 15.
  • the punched out of the strip material 15 and formed in bending contact insert 1 4 is in one piece and forms an electrical rail 16.
  • the contour of the electrical rail 16 consists, as seen in the development, essentially of a narrow web 30, on which a plurality of arranged thereon end pieces 31, 32, 33, 34, 35 are formed, wherein two
  • End pieces 31, 32 are arranged on the central axis of the strip material 30 made of narrow web 30, in each case at the opposite end 36, 37.
  • the end piece 31 is connected via a leg 38 with the end piece 33, which is parallel to the end piece 31 and to the central axis of the narrow web 30 extends, arranged.
  • Both end pieces 31, 32 together form a contact element 18, which is designed as a socket contact and receives a contact pin 7, for example, the contact pin of a base strip 5 (see Figure 1).
  • the female contact 18 may, as shown in Figure 3, be equipped to increase the clamping force with an additional bracket 41.
  • the bracket 41 engages around the two end pieces 31, 33, wherein the attachment of the bracket 41 via one on the outside of the end piece 31, 32 pronounced buddy 42, which engages in a bore 43 of the bracket 41, takes place.
  • Other types of attachment of the bracket 41 at the end pieces such as rivets, are conceivable.
  • the end piece 33 is connected to the free end opposite the narrow side 39 with the electric rail 16, preferably by welding, with other types of attachment are conceivable.
  • a 90 degrees angled leg 40 (shown as a dashed line in Figure 3) is arranged, which counteracts the force occurring when opening the female contact 18 by the contact pin 7 counteracts.
  • the bracket 41 can be omitted.
  • the spring cage 45 consists of two Gara ⁇ nen 46 and a portion of the electrical rail 16, uzw. the area of the electrical rail 16, which serves as the electrical conductor 6 as a contact surface 17 in the nip 9, wherein the two retaining arms 46 take over the attachment of the spring force element 1 1.
  • the tail 32 thus have several functions.
  • the first function is that the end piece 32 in the U-shaped region makes the connection between the end pieces 34 and 35.
  • the end piece 32 laterally arranged guide rails 48 fulfill other functions.
  • a closed spring cage 45 is formed.
  • the two parallel spaced guide rails 48 at the same time also form the short "L" fönnigen leg (see dashed line) of the support arms 46, which also serve the electrical conductor 6 for guidance and electrical contact, the support arms 46, the long "L” shaped " Furthermore, the guide rails 48 increase the strength of the electrical rail 16 when absorbing the forces, for example against the deflection, which is produced by the spring force element 11 in the holding arms 46.
  • the end piece 32 are still openings 50, preferably three openings 50 produced by punching technology, which are advantageous in the molding process in the production of Contact insert 14 impact.
  • the contact insert 14 serves as a holding function, whereas the two parallel to each other and perpendicular to the central axis of the electric rail 16 two support arms 46 of receiving and fixing the spring force element 1 1 serve.
  • the holding arms 46 have openings 47, in which the arranged on the spring force element 1 1 Haltemitte] 21, preferably consisting of projections 22, engage.
  • the shape of the opening 47 in a holding arm 46 forms a slot 51, wherein the slot 51 in cross section forms a square or a rectangle, preferably rectangular. It is also conceivable that two elongated holes 51 are arranged in a holding arm 46.
  • the width of the slot 51 depends on whether a strip of material 12 of the spring force element 1 1 or a spring package consisting of several legs springs 13 to be used. That is, the size of the opening 47 of the material thickness of the spring force element 1 1 manufactured or adapted accordingly.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Abstract

La présente invention concerne de manière générale le domaine des ensembles structuraux de base électriquement conducteurs. L'invention concerne, en particulier, des ensembles structuraux constitués de plusieurs éléments de liaison isolés les uns des autres, en particulier configurés pour des circuits imprimés, l'ensemble structural constituant un composant d'une liaison électrique entre deux organes conducteurs ou plus en contact direct à l'aide d'un ressort. Cette liaison, en particulier de type borne, constitue la borne de connexion électrique. Cette borne de connexion électrique sert d'organe de liaison dans la technique de connexion des cartes de circuit imprimé en vue d'obtenir une alimentation fiable de l'électronique industrielle et de réaliser de manière économique le câblage individuel de circuits imprimés. Grâce à la garniture de contact d'une borne de connexion selon l'invention, à montage symétrique de l'élément élastique, et à l'élément élastique configuré selon l'invention à géométrie de coupe simple et à montage simple pour la liaison avantageuse avec la garniture de contact, on obtient une cage de bornes fermée qui permet de réduire de manière décisive la hauteur de montage du boîtier en matériau isolant.
EP07723683A 2006-03-28 2007-03-28 Borne de connexion pour cartes de circuit imprimé Active EP1999820B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006014646A DE102006014646B4 (de) 2006-03-28 2006-03-28 Anschlussklemme für Leiterplatten
PCT/EP2007/002737 WO2007112899A1 (fr) 2006-03-28 2007-03-28 Borne de connexion pour cartes de circuit imprimé

Publications (2)

Publication Number Publication Date
EP1999820A1 true EP1999820A1 (fr) 2008-12-10
EP1999820B1 EP1999820B1 (fr) 2012-12-05

Family

ID=38198359

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07723683A Active EP1999820B1 (fr) 2006-03-28 2007-03-28 Borne de connexion pour cartes de circuit imprimé

Country Status (7)

Country Link
US (1) US7993156B2 (fr)
EP (1) EP1999820B1 (fr)
JP (1) JP4719806B2 (fr)
CN (1) CN101416354B (fr)
DE (1) DE102006014646B4 (fr)
ES (1) ES2399450T3 (fr)
WO (1) WO2007112899A1 (fr)

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Also Published As

Publication number Publication date
WO2007112899A1 (fr) 2007-10-11
CN101416354A (zh) 2009-04-22
CN101416354B (zh) 2012-05-23
DE102006014646A1 (de) 2007-10-11
DE102006014646B4 (de) 2008-06-26
US20100173531A1 (en) 2010-07-08
JP4719806B2 (ja) 2011-07-06
US7993156B2 (en) 2011-08-09
EP1999820B1 (fr) 2012-12-05
ES2399450T3 (es) 2013-04-01
JP2009531815A (ja) 2009-09-03

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