EP1760834B1 - Assemblage de bornes électriques - Google Patents

Assemblage de bornes électriques Download PDF

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Publication number
EP1760834B1
EP1760834B1 EP06016756.6A EP06016756A EP1760834B1 EP 1760834 B1 EP1760834 B1 EP 1760834B1 EP 06016756 A EP06016756 A EP 06016756A EP 1760834 B1 EP1760834 B1 EP 1760834B1
Authority
EP
European Patent Office
Prior art keywords
contact
side cable
electrical connection
arrangement according
contact body
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.)
Active
Application number
EP06016756.6A
Other languages
German (de)
English (en)
Other versions
EP1760834A2 (fr
EP1760834A3 (fr
Inventor
Heinz Dipl.-Ing. Reibke
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 EP1760834A2 publication Critical patent/EP1760834A2/fr
Publication of EP1760834A3 publication Critical patent/EP1760834A3/fr
Application granted granted Critical
Publication of EP1760834B1 publication Critical patent/EP1760834B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
    • H01R4/2433—Flat plates, e.g. multi-layered flat plates mounted in an insulating base one part of the base being movable to push the cable into the slot
    • 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
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/22—Connectors or connections adapted for particular applications for transformers or coils

Definitions

  • the invention relates to an electrical connection arrangement for the electrical connection of an electrical device, in particular an electric motor, with a lower part for receiving at least one device-side cable, with an upper part for receiving at least one connection-side cable and with a contact body for electrical connection of the device-side cable to the connection side Cable, wherein the lower part and the upper part consist essentially of electrically insulating material and can be brought into a common joining position, whereby a connection between the connection-side cable and the device-side cable can be produced, wherein in the lower part at least one fastening means for fastening at least one device-side cable is formed, wherein the contact body is arranged in the upper part and having a first contact means and a second contact means, and wherein in the joining position of the lower part with the upper part d he contact body with the first contact means contacted the device side cable and the connection side cable is contactable with the second contact means.
  • Terminal blocks for example, are commonly known in plant engineering and are usually provided in a control cabinet for top hat rail mounting and consist of a base and a top section (Phoenix Contact Product Catalog). COMBICON - PCB connection ", 2000/01, pages 198-212 ).
  • a device-side cable which has been freed from its end insulation, inserted into the lower part and there electrically connected to a arranged in the lower part of the contact body by a clamping or screw connection.
  • Connection-side, stripped cable are then attached to or in a contact body, which is arranged in the upper part designed as a plug strip.
  • connection terminal for a plurality of conductors having a base in which a cable can be received by flexible retaining rings. The cable is gripped by the retaining arms and held in the appropriate position.
  • connection terminal comprises an upper part, in which contact elements are arranged, wherein the contact elements each identify a first and a second contact means in the form of insulation displacement terminals.
  • the upper part is attachable to the lower part, so that in each case a contact element contacted with its first contact means in the form of insulation displacement cable held in the lower part, With the second contact means, ie the second insulation displacement terminal, another cable can be contacted.
  • the upper part and the lower part are covered in the assembled state by a cover.
  • the DE 102 01 495 A1 also discloses an electrical terminal for contacting electrical conductors.
  • a pivotable cover part is fixed to a base part, wherein the pivotally mounted cover part has a radially spaced from the pivot axis contact element.
  • the cover part comprises a plurality of contact elements which are arranged in the cover part in such a way that upon pivoting of the cover part about the pivot axis a contacting of the conductors held in the base part takes place, for example via contact blades.
  • connection arrangement which, however, is tailored to the specific use for connecting a connection cable to the stator winding ends of an external rotor motor.
  • the lower part of this connection arrangement is provided for mounting on the motor housing, wherein the device-side cable - so the motor-side coil ends - are electrically connected to arranged in the lower part Kunststoffkörpem, which are designed as cutting contacts; the necessity of a preliminary stripping of the device-side cable ends does not exist.
  • the distributed contact bodies each extend as far as a plug receptacle formed in the lower part into which the upper part designed as a plug strip can be inserted.
  • Upper part are in turn arranged corresponding contact body, which are electrically connected to the connection-side cables.
  • About jumpers that can be inserted into the upper part, arranged in the upper part contact body can be electrically connected to each other, which is used in particular to the desired interconnection of the motor windings to a star or triangular arrangement.
  • the invention is therefore based on the object to provide an electrical connection arrangement with improved and simplified connection properties available, wherein in particular a plurality of conductors should be contacted independently of each other,
  • the electrical Rossanozdnung invention in which this object is achieved, is characterized by the features of claim 1, characterized in that the upper part is modularly constructed of individual shell segments, each upper segment segment comprises at least one contact body.
  • the electrical connection arrangement according to the invention is advantageous in several respects.
  • the fact that the contact body is arranged in the upper part of the terminal arrangement eliminates a contact point with respect to the from DE 102 32 281 A1 known connection arrangements, namely the contact point between the arranged in the lower part and the upper body contact body.
  • the contacting process of the device-side cable is much easier and safer, since the contact between the contact body and device-side cable is made only in the joining position of the lower part and the upper part. There is thus no danger of mechanical injury the connection means producing first contact means still the risk of electric shock by touching the possibly under tension first contact means.
  • the upper part consists of several upper segments, each upper segment having at least one contact body and is separately connectable to the lower part, each conductor can be contacted separately via a separate upper segment with a corresponding contact body.
  • the individual tops can also be connected together as a terminal block.
  • connection arrangement according to the invention can be further improved in terms of their usability by the first contact means of the contact body is formed as a cutting contact. This has the advantage that the device-side cable can be processed completely isolated and after contacting by the cutting contacts a secure and vibration-proof electrical connection is made.
  • the second contact means for contacting the connection-side cable is designed as a spring clamp or as a screw terminal.
  • the contact body is further formed so that it can receive a leg of a jumper contacting, so that at least two contact bodies are electrically connected to each other.
  • the usability of the terminal arrangement according to the invention for connecting an electric motor is ensured in order to enable the previously mentioned interconnection of different windings of electric polyphase motors.
  • the fastening means is formed in the lower part in the form of a clamp which allows the clamping of a device-side cable without the aid of tools. This simplifies the connection process in hard to reach places, especially where you can not work both ways, for example, a hand must be used to secure the position.
  • the upper part with the lower part or each upper segment with the lower part in the joining position can be locked, in particular by the upper part or the upper part segment associated locking elements, which can be brought into engagement with corresponding RastelementausEnglish aus in the lower part of the terminal arrangement
  • the latching element and the Rastelementausströmung are configured so that they act as a guide during assembly of the lower part and the upper part or the lower part and the upper part segment and so an exact positioning of the first contact means relative to the fixed in the fastening means of the lower part of the device side Cable and thus ensure a secure contact.
  • the electrical arrangement according to the invention will be described with reference to several preferred embodiments for connecting an electric motor.
  • the invention could just as well be based on other uses be described for connecting other electrical equipment; the electrical connection arrangement according to the invention is completely independent of the specific application and the function of the electrical device which is contacted with the electrical connection arrangement.
  • Fig. 1 shows an exploded view of a preferred embodiment, the essential components of the terminal assembly according to the invention, comprising a lower part 1, which serves to receive a device-side cable 2, an upper part 3 for receiving a - not shown here - connection side cable and a contact body 4, through which an electrical Connection between the device-side cable 2 and the connection-side cable is made.
  • fastening means 5 are further formed, with which the device-side cable 2 can be fixed to or in the lower part 1. The attachment of the device-side cable 2 in the lower part 1 by means of the fastening means 5 takes place without electrical contact of the device-side cable. 2
  • the contact body 4 is assigned to the upper part 3 and fixed functionally in the upper part 3 in its installation position, which in the Fig. 3 . 5 . 7 and 9 is shown.
  • the contact body 4 is arranged in the upper part 3, that the contact body 4 contacted with a first contact means 6 attached in the lower part 1 device side cable 2 in the joining position of the lower part 1 with the upper part 3.
  • the joining position of the lower part 1 and the upper part 3 is again in the Fig. 3 . 5 . 7 and 9 shown.
  • the contact body 4 has a second contact means 7, 8, via which the connection-side cable to the contact body 4 is electrically connectable and mechanically sufficiently fastened to the contact body 4, so that the electrical connection is ensured even under certain Auszug theory on the connection side cable.
  • the first contact means 6 is designed as a cutting contact.
  • the particular advantage of using a trained as a cutting contact first contact means 6 is just in connection with the terminal arrangement according to the invention is that the device-side cable 2 must not be exposed for contacting, so that the handling of the device-side cable 2 in its attachment to the Lower part 1 of the connection arrangement with the fastening means 5 is safely possible.
  • the second contact means 7, 8 of the contact body 4 can in principle be configured in any desired manner. Shown in the Fig. 1 and 5 to 10 each embodiments using spring clamps 7 and in the Fig. 3 and 4 an embodiment using a screw 8 as a second contact means.
  • the electrical connection arrangement according to the invention is not limited to these variants, but other connection techniques can be used.
  • Fig. 1 and 5 to 10 are the spring terminals 7 in a known manner designed as a loop-shaped tension springs, with a plant leg 9 for contact with a busbar 10 and a spring leg 11, the free end is angled towards the plant leg 9, wherein the free end of the abutment leg 9 an opening in the spring leg 11 mobile penetrates.
  • the Fig. 1 . 5 . 6 . 9 and 10 show exemplary embodiments in which the spring leg 11 of the spring-loaded terminals 7 faces the insertion direction of the connection-side cable.
  • the spring terminal is shown in each case in its deflected, open position, which can be caused by external force, for example by pressing the spring terminal 7 with an operating tool. The operating tool is thereby brought in the usual way via an actuating opening in the upper part 3 of the terminal assembly to the spring terminal 7.
  • the loop-shaped bent spring terminal 7 is arranged with its spring leg 11 facing away from the insertion direction of the connection-side cable in the upper part 3 of the connection arrangement.
  • the operating principle is similar to that of the spring-loaded terminals 7 described above, but allows the design of the spring-loaded terminal 7 according to the Fig. 7 and 8th a more compact design of the upper part 3 than is possible in the embodiments described above.
  • the spring clamp is designed as a U-shaped pawl spring in which the festzuklemmende conductor is pressed by the free end of a spring leg against a busbar and locks the conductor in the extension direction.
  • the contact body 4 is not substantially rectilinearly stretched as in the other illustrated embodiments, but the plant leg 9 of the spring terminal 7 and the busbar 10 are arranged at right angles to the first contact means 6 at right angles, creating a flatter overall construction - measured from the bottom. 1 the connection arrangement is achieved.
  • the contact body 4 is always formed so that it can receive a leg of a jumper 12.
  • the contact body 4 in the embodiments according to the Fig. 1 6 and 10 each formed so that a contact leg 14 is formed on it, which serves an opening for receiving a preferably elastically or conically shaped leg of a jumper 12.
  • the contact leg 14 is not formed on the contact body 4, but introduced into the screw 8 of the contact body 4, wherein a secure contact between the screw 8, the busbar 10 and the contact leg 14 is made by tightening the screw 8.
  • a recess 13 is formed in the upper part 3 of the terminal assembly for receiving the jumper 12 is. On the one hand, this reduces or eliminates the risk of unwanted electrical contact with the conductive parts of the jumper 12 and, on the other hand, minimizes the risk of accidental removal of the jumper 12 from the upper part 3 of the terminal arrangement.
  • FIGS. 2a and 2b represent the lower part 1 of the terminal assembly separately.
  • the fixing of the device-side cable 2 serving fastening means 5 in the lower part 1 is here each formed as a pair of brackets.
  • the fastening means 5 is formed in the lower part 1 and insofar consists of the same isolierrichen material as the entire lower part 1.
  • a particularly good attachment of the device-side cable 2 by the fastener 5 is achieved when the lower part 1 in the region of Cable receptacle is formed trough-like, so that the device-side cable 2 not only flat on the lower part 1 rests, but at least partially surrounded by the lower part 1.
  • the fastening means 5 designed as a clamp are so elastic that the device-side cable 2 to be fixed by them can be pressed into the fastening means 5 without tools.
  • All illustrated embodiments of the terminal arrangement according to the invention show a modular shell 3, which consists of several shell segments, which are like a disk next to each other.
  • each upper part segment has a contact body 4.
  • the individual upper part segments can be fastened together, for example by a fixing rod, not shown, which is guided by corresponding holes in the upper part segments of the upper part.
  • the fixation is produced by corresponding wedges and grooves or by corresponding latching pins and latching recesses which are provided on the sides of each upper part segment and can be connected to one another via the adjacent upper part segments to form a block.
  • the lower part 1 of the connection arrangement further comprises further fastening means 15, with the aid of the lower part 1 at a Mounting surface is fastened.
  • the further fastening means 15 is configured as a latching bolt, which can be inserted into a mounting wall in a fixed manner.
  • the further fastening means 15 in at least one screw receptacle - through hole - or a DIN rail receptacle for securing the electrical connection assembly to a DIN rail.
  • the illustrated and described embodiments of the electrical connection arrangement all have the advantage of a particularly simple and safe electrical connection of electrical equipment, due to the arrangement of the contact body 4 in the upper part 3 of the terminal assembly and the achievable thereby contacting the contact body 4 with the device-side cable. 2 when assembling the lower part 1 and the upper part. 3
  • Fig. 1 To secure the mechanical connection between the lower part 1 and upper part 3 of the connection arrangement are - as in Fig. 1 to see - the lower part 1 and the upper part 3 and the lower part 1 and the individual upper part segments locked together, which in the embodiment according to Fig. 1 is realized by locking elements 16 on the upper part 3 and corresponding locking element receptacles 17 in the lower part 1.
  • the latching element which can be produced via the latching element 16 and the corresponding latching element receptacle 17 engages - if possible without clearance - exactly when the lower part 1 and the upper part 3 of the connection arrangement are completely brought into their joining position.
  • connection arrangement according to Fig. 1 is also configured so that the lower part 1 and the upper part 3 corresponding guide means 18, 19 which force a selective joining movement of the upper part 3 relative to the lower part 1 during assembly, so that a secure contacting of the fixed in the lower part 1 device-side cable. 2 is ensured by formed as a cutting contact contact means 6 of the contact body 4.
  • the guide means 18, 19 may also be formed as a guide pin and guide pin receptacle.
  • the latching connection 16, 17 at the same time assume the function of the guide means 18, 19.
  • the lower part 1 of the terminal arrangement is designed in the illustrated embodiments so that it can accommodate a total of six upper segments, whereby in particular the connection of three-phase motors is advantageously possible.

Claims (10)

  1. Agencement de raccordement électrique pour le raccordement électrique d'un appareil électrique, en particulier d'un moteur électrique, comprenant une partie inférieure (1) pour recevoir au moins un câble (2) du côté de l'appareil, une partie supérieure (3) pour recevoir au moins un câble du côté du raccordement et un corps de contact (4) pour la connexion électrique du câble (2) du côté de l'appareil au câble du côté du raccordement, la partie inférieure (1) et la partie supérieure (3) se composant essentiellement de matériau électriquement isolant et pouvant être amenées dans une position d'assemblage commune, de sorte qu'une connexion puisse être établie entre le câble du côté du raccordement et le câble du côté de l'appareil, au moins un moyen de fixation (5) étant réalisé dans la partie inférieure (1) pour la fixation d'au moins un câble (2) du côté de l'appareil, le corps de contact (4) étant disposé dans la partie supérieure (3) et présentant un premier moyen de contact (6) et un deuxième moyen de contact (7, 8), et, dans la position d'assemblage de la partie inférieure (1) à la partie supérieure (3), le corps de contact (4) venant en contact par le premier moyen de contact (6) avec le câble (2) du côté de l'appareil et pouvant être amené en contact par le deuxième moyen de contact (7, 8) avec le câble du côté du raccordement,
    caractérisé en ce
    que la partie supérieure (3) est construite de manière modulaire à partir de segments de partie supérieure individuels, chaque segment de partie supérieure comprenant au moins un corps de contact (4).
  2. Agencement de raccordement électrique selon la revendication 1, caractérisé en ce que le premier moyen de contact (6) du corps de contact (4) est réalisé sous forme de contact autodénudant.
  3. Agencement de raccordement électrique selon la revendication 1 ou 2, caractérisé en ce que le deuxième moyen de contact (7, 8) du corps de contact (4) est réalisé sous forme de borne à ressort (7) ou sous forme de borne à vis (8).
  4. Agencement de raccordement électrique selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le corps de contact (4) est réalisé de telle sorte qu'il puisse recevoir une branche d'un cavalier (12) en assurant un contact électrique.
  5. Agencement de raccordement électrique selon la revendication 4, caractérisé en ce que dans la partie inférieure (1) et/ou la partie supérieure (3) est réalisé au moins un évidement (13) pour recevoir au moins un cavalier.
  6. Agencement de raccordement électrique selon la revendication 4 ou 5, caractérisé en ce que le support de contact (4) présente une branche de contact (14), une ouverture pour recevoir une branche d'un cavalier (12) étant réalisée dans la branche de contact (14).
  7. Agencement de raccordement électrique selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le moyen de fixation (5) est réalisé dans la partie inférieure (1) sous forme d'au moins une pince dans laquelle peut être enfoncé - en particulier sans outil - le câble (2) du côté de l'appareil.
  8. Agencement de raccordement électrique selon l'une quelconque des revendications 1 à 7, caractérisé en ce que la partie inférieure (1) présente au moins un moyen de fixation supplémentaire (15) avec lequel la partie inférieure (1) peut être fixée à une surface de montage - notamment au niveau de l'appareil électrique -, le moyen de fixation supplémentaire (15) étant configuré en particulier sous forme de logement de vis, de logement de rail profilé ou de boulon d'encliquetage.
  9. Agencement de raccordement électrique selon l'une quelconque des revendications 1 à 8, caractérisé en ce que la partie inférieure (1) peut être verrouillée avec la partie supérieure (3) ou avec le segment de partie supérieure dans la position d'assemblage, notamment par au moins une connexion par vissage ou par une connexion par encliquetage (16, 17).
  10. Agencement de raccordement électrique selon l'une quelconque des revendications 1 à 9, caractérisé en ce que la partie inférieure (1) et la partie supérieure (3) présentent des moyens de guidage correspondants (18, 19) avec lesquels la partie inférieure (1) et la partie supérieure (3) peuvent être amenées de manière guidée dans leur position d'assemblage.
EP06016756.6A 2005-09-01 2006-08-11 Assemblage de bornes électriques Active EP1760834B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005041778A DE102005041778A1 (de) 2005-09-01 2005-09-01 Elektrische Anschlußanordnung

Publications (3)

Publication Number Publication Date
EP1760834A2 EP1760834A2 (fr) 2007-03-07
EP1760834A3 EP1760834A3 (fr) 2010-05-05
EP1760834B1 true EP1760834B1 (fr) 2014-12-03

Family

ID=37460018

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06016756.6A Active EP1760834B1 (fr) 2005-09-01 2006-08-11 Assemblage de bornes électriques

Country Status (4)

Country Link
US (1) US7252534B2 (fr)
EP (1) EP1760834B1 (fr)
CN (1) CN1941508B (fr)
DE (1) DE102005041778A1 (fr)

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US20070049104A1 (en) 2007-03-01
DE102005041778A1 (de) 2007-03-08
CN1941508A (zh) 2007-04-04
EP1760834A2 (fr) 2007-03-07
CN1941508B (zh) 2014-05-07
EP1760834A3 (fr) 2010-05-05
US7252534B2 (en) 2007-08-07

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