EP2626645B1 - Groupe motopompe doté d'une prise électrique - Google Patents

Groupe motopompe doté d'une prise électrique Download PDF

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Publication number
EP2626645B1
EP2626645B1 EP12154462.1A EP12154462A EP2626645B1 EP 2626645 B1 EP2626645 B1 EP 2626645B1 EP 12154462 A EP12154462 A EP 12154462A EP 2626645 B1 EP2626645 B1 EP 2626645B1
Authority
EP
European Patent Office
Prior art keywords
connection
opening element
receiver
pump assembly
plug
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
EP12154462.1A
Other languages
German (de)
English (en)
Other versions
EP2626645A1 (fr
Inventor
Torben Rask
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.)
Grundfos Holdings AS
Original Assignee
Grundfos Holdings AS
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 Grundfos Holdings AS filed Critical Grundfos Holdings AS
Priority to EP12154462.1A priority Critical patent/EP2626645B1/fr
Priority to PL12154462T priority patent/PL2626645T3/pl
Priority to CN201380008586.XA priority patent/CN104114872B/zh
Priority to US14/372,134 priority patent/US9337556B2/en
Priority to PCT/EP2013/050486 priority patent/WO2013117381A1/fr
Publication of EP2626645A1 publication Critical patent/EP2626645A1/fr
Application granted granted Critical
Publication of EP2626645B1 publication Critical patent/EP2626645B1/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
    • H01R4/28—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
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/48275—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end with an opening in the housing for insertion of a release tool
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0686—Mechanical details of the pump control unit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0693—Details or arrangements of the wiring
    • 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
    • H01R4/48455—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar insertion of a wire only possible by pressing on the spring

Definitions

  • the invention relates to a pump unit and an associated electrical connector according to the preamble of claim 1 and a connector according to the preamble of claim 17.
  • Such connectors are for example from the DE 29707710 known.
  • pump units such as heating pump units, for electrical connection equipped with electrical connectors, so that an electrical connection cable is first electrically connected to a connector, which can then be plugged into an associated plug-in coupling on the pump unit to electrically connect the pump unit.
  • This embodiment has the advantage that the housing of the pump unit, in particular its electronics housing or terminal box does not have to be opened for electrical connection.
  • connection plugs for pump units it is customary to provide in the connector screw terminals on which the connecting wires are clamped by means of screws.
  • EP 0 632 529 A12 has a terminal which has an actuator for opening and closing a spring clip i this is not removably disposed in the connection element and is movable by means of a screwdriver.
  • US 5,810,625 discloses another connection element with a spring clip for contacting an electrical connection line, wherein the spring clip can be moved from the outside by means of a screwdriver in an open position.
  • DE 44 13 611 A1 discloses an electrical connector for ribbon cables having two elements which can be slid against each other so that an inserted cable to be connected is clamped in a cutting contact. The two parts of the plug fix the cable together.
  • connection cables are held by spring clips. These spring clips can be solved from the outside via not removably arranged in the plug actuators and close.
  • connection plugs an external tool is thus always required to establish or release a clamping of an electrical connection line.
  • EP 2 072 828 A1 such as EP 2 199 617 A2 disclose centrifugal pumps with electrical connectors.
  • the invention relates to a combination of pump unit and associated electrical connector.
  • the electrical connector is detachably connectable to an electrical plug-in coupling of the pump unit.
  • electrical connector and plug-in coupling are formed corresponding to each other.
  • the plug-in coupling can have electrical contact pins which project outwards and engage in corresponding female contacts on the connector.
  • the connector with protruding pins, d. H. equip male contacts, which engage in corresponding female contacts on the plug-in coupling.
  • the plug-in coupling on the pump unit preferably has a receptacle or recess into which engages a correspondingly shaped part of the connector plug for mechanical connection.
  • the plug-in coupling on the pump unit can be designed as an outwardly projecting element, which engages in a correspondingly shaped recess on the connector.
  • connector and / or plug-in coupling are preferably provided with sealing elements to provide a tight connection between the connector and plug-in coupling and to protect the internal electrical conductors from moisture from the outside.
  • the electrical connector has a plug body, in which at least one electrical contact element is arranged.
  • the plug body has an engagement portion which mechanically engages the plug coupling on the pump unit.
  • the contact element is, as described above, depending on how a corresponding contact is formed on the plug-in coupling, formed as a male or female contact.
  • the connecting terminal is designed such that the plug body additionally has a receptacle for an opening element which serves to open and close the connecting terminal.
  • the terminal can be brought into an open position, which makes it possible to introduce the wire to be contacted and clamped in the terminal. Without the opening element, the terminal then passes, preferably automatically, into a closed position, in which a previously inserted connecting wire is clamped and electrically contacted.
  • the receptacle is arranged relative to the terminal so that when the opening element is inserted into the receptacle, the opening element acts on the terminal and holds it in an open state. Ie.
  • the receptacle is formed adjacent or adjacent to the terminal in the interior of the plug body, so that the opening member inserted into the receptacle can come into contact with corresponding portions of the terminal to move it to an open position, in particular to press an open position.
  • the receptacle is configured such that the opening element is held and guided relative to the connection terminal, so that the opening element can apply a force to the connection terminal in order to open it.
  • the receptacle and the opening element are also designed such that the opening element is held non-positively and / or positively in the Aufndhme. This will ensures that the opening element without external force in the receptacle and in the plug body remains and the terminal is held open so that the connecting wire can be easily inserted into the terminal without having to press the port in any way simultaneously from the outside.
  • the opening element and the receptacle are preferably designed such that the opening element can be inserted into the receptacle only in a defined position.
  • the opening element can then be removed from the receptacle, whereby the terminal moves into the closed position and securely clamps the connecting wire.
  • the movement of the terminal in the closed position can either be done automatically or by the movement of the opening element when it is removed or withdrawn on the receptacle.
  • a plurality of electrical contact elements are arranged in the plug body.
  • three electrical contact elements as is customary in electrical connection lines with protective conductor, may be provided.
  • the plurality of contact elements each have a connection terminal for a connection wire and the opening elements and the receptacle are designed and arranged so that when the opening element is inserted into the receptacle, the opening element acts simultaneously on the terminals of several, preferably all contact elements, and this in each case keeps an open state. This further simplifies the electrical connection, as the opening element holds all the terminals in the open state at the same time, so that all connection wires can be inserted into the respective terminals.
  • the opening element can be removed from the receptacle, whereby all terminals are simultaneously moved to the closed state.
  • the terminals are preferably designed so that they remain automatically in the closed state and contact the leads electrically and securely clamp.
  • the plurality of terminals are arranged side by side, and a plate-shaped terminal can be inserted at a common side of the plurality of terminals in a receptacle placed there to simultaneously act on the terminals.
  • the opening and closing directions of the individual terminals preferably run parallel to each other, so that the opening element can act on all terminals in the same direction.
  • the opening element has a plurality of actuating portions, which are arranged so that they can each act on a terminal, wherein the actuating portions preferably have at their connection to the other parts of the opening element a predetermined breaking point.
  • the actuating elements may be in the form of projections or tongues. Each of these projections or tongues may act on an associated terminal.
  • This embodiment has the advantage that opening elements can also be formed in such a way that they do not open all terminals simultaneously, for example by not an actuating element is provided for each of the terminals, but only a number and arrangement of actuators for those terminals, which by the opening element to be opened.
  • the operating portions are fastened by means of predetermined breaking points on the opening element, it is then also possible to cancel individual operating portion, so that the associated terminals are not opened when inserting the opening element in the recording. So it is possible, for example, in the event that after removal of the Opening element is determined that of several leads only some are not properly clamped, the operating sections for the terminals, which are already clamped correctly, break off and only those terminals on re-insertion of the opening element in the recording to open, which has not properly clamped a lead wire to have.
  • opening element on one side, in particular side edge operating sections for all existing terminals and at another, preferably facing side edge, for example, additionally to arrange a single operating section, with which then when the opening element with this side or side edge into the receptacle is used, targeted a single terminal can be opened.
  • the terminals are designed as spring terminals, which are held by spring bias in a closed state, in which a recorded connection wire is clamped.
  • the opening element and the receptacle are in this case preferably designed and arranged such that the opening element inserted into the receptacle holds the connection terminals against their spring bias in the opened state. Ie. In particular, corresponding actuating portions of the opening element hold the respective terminals against their spring bias in the open state.
  • This embodiment has the advantage that upon removal of the opening element, the terminals close automatically and due to the spring preload terminal wires permanently clamped and contacted hold without external force.
  • the terminals each have a spring clip, which protrudes in the closed state in the region of the receptacle in the plug body. So an opening element, which is inserted into the receptacle, displace existing there spring clip, whereby the terminals are opened by moving or displacing the spring clip.
  • the opening element preferably has at least one, preferably wedge-shaped pressure surface, which presses or moves the spring clip out of the region of the receptacle when the opening element is inserted into the receptacle.
  • a pressure surface is preferably formed on an actuating portion of the opening element, as described above.
  • such pressure surfaces are provided on each existing operating section. Due to the wedge-shaped shape, a simple insertion of the opening element is achieved.
  • the plug body preferably forms a coupling section at a first axial end, which corresponds to the plug-in coupling of the pump unit.
  • the plug body and the plug-in coupling as described above, preferably enter into one another in a form-fitting manner. It can be formed on the plug body and / or the plug-in coupling beyond locking or clamping elements to lock both elements together, so that the connector is securely held on the pump unit.
  • connection terminals and the receptacle for the opening element are further preferably open to a second axial end of the plug body facing away from the first axial end.
  • the first axial end is preferably in the joining direction when connecting to the plug-in coupling at the front, while the second axial end is located in the joining direction at the back of the plug body.
  • This arrangement has the advantage that the contact elements can extend in the axial direction through the plug body and at the first axial end Can form contacts for contacting electrical contacts on the plug-in coupling and at the opposite axial end of the terminals for fixing the connecting wires.
  • the terminal contacts are preferably inserted in the axial direction in the plug body and are there force and / or positively held.
  • the insertion preferably takes place through openings on the second axial side of the plug body.
  • the arrangement of the receptacle for the opening element on the second axial side also has the advantage that openings only at two oppositely directed, ie 180 ° oppositely directed sides of the plug body must be formed, so that the plug body as an injection molded plastic part substantially without undercuts can be poured. This allows a simple tool design.
  • the insertion direction of a lead wire is directed into the terminal parallel to the insertion and removal direction for the opening element of the recording. More preferably, these insertion and removal directions are also directed parallel to the joining direction, in which the connector is connected to the plug-in coupling of the pump unit.
  • the connector body can thus be held with one hand when connecting the connecting wires, while with the other hand the connecting wires can be guided into the terminals and then the opening element can be pulled out of the receptacle with the same hand. In this case, the position of the plug body does not need to be changed since connecting wires and opening element are inserted or removed from the same side into the plug body in the same direction. So it is not necessary to encompass the assembly.
  • the connector preferably has a cap, which is placed on the second axial end of the plug body and thereby covers the openings of the terminals and the receptacle.
  • a seal is provided between the cap and the plug body so that a below the cap located receiving space in which the terminals and connecting wires are exposed, is insulated to the outside to prevent ingress of moisture in this area.
  • the cap is preferably placed in the same joining or insertion on the plug body, in which also the connecting wires are inserted into the terminals and the opening element is pulled out of the receptacle.
  • the cap and the plug body are preferably provided with mutually corresponding locking elements, by means of which the cap and the plug body can engage with each other latching.
  • protruding locking tongues may be formed with latching hooks which engage in corresponding recesses on the cap, the latching hooks engage behind the locking tongues abutment shoulders on the recesses of the cap and so fix the cap positively fit to the plug body.
  • the locking elements can be designed so that they can be opened by means of the opening element.
  • the opening element can be designed so that it can be inserted between latching hooks or latching projections and latching recesses in order to disengage them.
  • the opening element can be used simultaneously as a tool for opening the connector.
  • the cap further preferably has a cable feedthrough, which is preferably provided with a strain relief.
  • a connection cable can be inserted from the outside into the terminal space covered by the cap and preferably fixed non-positively and / or positively in the strain relief of the connection cap.
  • a seal may be provided in order to seal the interior of the cap in this area as well. The seal is then preferably on the outer circumference of the inserted connection cable sealing to plant.
  • the opening element and the cap are designed such that when the opening element is in the receptacle in the plug body, an engagement of the cap and plug body is prevented.
  • the connector is closed by placing the Absteckkappe, as long as the terminals are not their closed, d. H. the lead wires is stuck state. So a wrong assembly can be avoided.
  • the opening element expediently has at least one operating section, which can be inserted into the receptacle, as well as a grip section protruding outward from the receptacle.
  • a plurality of operating portions may be provided.
  • the handle portion has the advantage that the opening element can be easily gripped to pull it out of the receptacle or optionally introduce it into the receptacle.
  • the handle portion may be additionally provided with a label for the terminals. Ie. this label may indicate the type of terminal, such as ground contact, phase, etc.
  • the opening element Upon delivery of the connector plug, the opening element is preferably already inserted into the receptacle, so that the assembly is particularly simple, since then only the connection wires must be inserted into the terminals and the opening element must be removed from the recording.
  • the opening element is supplied as a separate component, which must first be inserted into the receptacle before connecting the connecting wires.
  • the opening element may be arranged on a cap of the connector or a housing part of the pump unit or else be part of a package of the connector or the pump unit. In this case, the opening element is preferably connected to the remaining parts of the package via predetermined breaking points.
  • the opening element may for example be part of a blister pack for the connector and be connected via a predetermined breaking point with the other parts of the blister pack.
  • the opening element can be broken off the packaging and inserted into the receptacle to open the terminals for insertion of the connecting wires. This simplifies the production, since the opening element can be manufactured together with the packaging and no additional item must be packed or assembled. In addition, the opening element can not be lost so before mounting.
  • the opening element is preferably made of plastic. Thus, it can be formed, for example, as part of a likewise made of plastic blister packaging. Alternatively, it would also be conceivable to form the opening element made of cardboard. It could thus form part of a packaging made of cardboard packaging.
  • the opening element is formed on another component, such as a part of the pump housing, for example part of a terminal box or the cap of the connector, the opening element may be formed there as a projection.
  • the opening element is preferably integral with manufactured the respective component. Again, this is particularly possible if the corresponding parts are manufactured as molded plastic parts.
  • the plug body and the cap are also preferably made of plastic. This allows a cost-effective production.
  • the parts have the required insulating properties. Any arranged on the components seals, as described above, can be formed as a separate inserted elements or else be cast in two-component injection directly to the respective components.
  • the seals are preferably made of an elastomer.
  • the invention also relates solely to a connector for a pump unit.
  • This has a plug body, in which at least one electrical contact element is arranged, which has a connection terminal for receiving a connecting wire.
  • the plug body as described above, a receptacle for an opening element, which can be removably inserted into the receptacle.
  • the receptacle is arranged relative to the contact element such that when the opening element is inserted into the receptacle, the opening element acts on the terminal and holds this in an open state.
  • the associated pump assembly comprises a pump housing 2 in a known manner, in which a not shown here impeller is arranged and which is connected to the stator housing 4, in which an electric drive motor for driving the impeller is arranged.
  • axially in the direction of the longitudinal or rotational axis X is placed on the stator housing 4, is an electronics housing or terminal box 6, in which electronic components 8 are arranged for controlling or regulating the electric drive motor in the stator housing 4.
  • the terminal box 6 is provided with a plug-in coupling 10.
  • the plug-in connector 10 corresponds to a connector, which in the Fig. 2, 3rd . 5 and 6 is shown.
  • the connector has a plug body 12, which at a first axial end a Coupling section 14 forms.
  • the coupling portion 14 is formed corresponding to the plug-in coupling 10 and can be engaged with this.
  • the coupling portion 14 has circumferentially on a seal 16 made of an elastomeric material, which can come into sealing contact with the inner circumference of the plug-in coupling 10.
  • the plug body 12 has in the longitudinal or axial direction Y extending recesses 18, in which contact elements 20 are used.
  • the contact elements 12 are formed at their first axial end as female contacts 22, which axially opposite openings 24 of the recesses 18 are opposite.
  • the openings 24 are open to the first axial end 13 of the connector plug.
  • male contacts or contact pins which are arranged in the plug-in coupling 10 of the pump unit, engage and in the interior of the recesses 18 with the female contacts 22, which are formed by the contact elements 20, engage.
  • three recesses 18 are provided with three contact elements 20, one for the phase, one for the neutral conductor and one for the protective conductor.
  • the contact elements 20 are formed at their second, the female contacts 22 opposite ends as terminals 28.
  • the terminals 28 are integrally formed as spring clamps with the other parts of the contact elements 20 made of sheet metal.
  • connection terminals 28 each have a contact leg 30, which is encompassed by a spring clip 32.
  • the spring clip 32 has an opening 34 through which the abutment leg 30 extends and into which a connection wire 36 of a connection cable or a connection line 38 can be inserted.
  • the three recesses 18 with the contact elements 20 arranged therein are arranged side by side in a plane, so that the longitudinal axes of the contact elements 20 extend parallel to the longitudinal axis Y of the connection plug.
  • the longitudinal axis Y of the connector corresponds to the joining direction, in which the connector plug is inserted into the plug-in coupling 10. At the same time, this is the direction in which the lead wires 36 are inserted into the openings 34 of the terminals 28.
  • a receptacle 40 is formed in the plug body 12.
  • the receptacle 40 is slot-shaped and, like the connection terminals 28, open towards the second axial end 26 of the plug body 12.
  • the receptacle 40 is located so that in a closed state of the terminal 28, the spring clip 32 each extend into the receptacle 40 into it.
  • a connecting wire 36 is clamped in the terminals 28. This is done in that the spring clip 32 moves due to its spring bias so that an inner side of the opening 34 is moved toward the stop leg 30, so that the lead wire 36 is clamped between the stop leg 30 and an inner edge or inside of the opening 34, as in Fig. 5 is shown.
  • an opening element 42 is inserted into the receptacle 40.
  • the opening element 42 is plate-shaped and has at an axial end a handle portion 44, which serves to grasp the opening element 42.
  • the grip portion 44 has a corrugated surface structure so that it can be grasped well. It extends when the opening element 42 as in Fig. 6 shown inserted into the receptacle 40 in the direction of the longitudinal axis Y of the plug body 12, at the second axial end 26 after outside of the plug body 12 out.
  • the handle portion 44 is also provided with a label 46, which identifies the three terminals 28, namely here phase, neutral and protective conductor.
  • the opening member 42 has three tongue-shaped extending actuating portions 48 which are formed for insertion into the receptacle 40.
  • the receptacle 40 is to be divided into three receiving spaces, wherein in each receiving space in each case one of the actuating portions 48 engages.
  • the actuating portions 48 are spaced so that when the opening member 42 is inserted into the receptacle 40, in each case an actuating portion 48 laterally, or in FIGS. 5 and 6 comes to rest exactly above a terminal.
  • the actuation sections 48 have wedge-shaped pressure surfaces 50, which come into contact with the spring clips 32 of the connection terminals 28 when the actuation sections 48 are inserted into the receptacle 40.
  • the actuating portions 48 displace the opposite or adjacent spring clip 32 from the receptacle 40, whereby the spring clip 32 is displaced in the direction of the stop leg 30, so that the inner edge of the opening 34, which is opposite to the stop leg 30, moves away from it, so that the Opening 34 between the stop leg and the opposite inner edge of the opening 34 increases. So will the in Fig. 6 reached open position in which a lead wire 36 is not clamped in the terminal 28, but inserted into this and can be removed again.
  • the opening element 42 is frictionally held by the spring clip 32 in the receptacle 40, so that a fixed open state is achieved, as long as the opening element 42 is inserted into the receptacle 40.
  • the connecting wires 36 can be used in the terminals 28, and the openings 34 of the spring clip 32 without further tools.
  • the opening element 42 is pulled out of the receptacle 40 in the direction of the longitudinal axis Y, so that due to the spring bias the spring clip 32 automatically moves back into the receptacle 40 and simultaneously reduce the opening 34 and the respective connecting wire 36 between the inner edge of the opening 34 and the plant leg 30 pinch, as in Fig. 5 shown.
  • the individual actuating sections 48 have lateral guide projections 47 which extend in the direction of the longitudinal axis Y of the plug body and which can engage in corresponding grooves in the interior of the receptacle 40.
  • the guide projections 47 and the corresponding grooves in the receptacle 40 are formed so that the opening element 42 can be inserted only in a predetermined position in the receptacle 40 and in particular not used in a rotated by 180 ° about the longitudinal axis Y position in the receptacle 40 can be.
  • the individual operating portions 48 may be connected via predetermined breaking points with the handle portion 44 so that they can be broken off individually. This makes it possible, by breaking off the unneeded operating sections, to design the opening element 42 so that only one or two connection terminals 28 are opened in the manner described above during insertion. This can be useful, for example, if, for example, one of the connecting wires 36 was not inserted and clamped correctly during the first application of the connecting wires 36. Then this terminal can be targeted 28 be opened again without having to open the other, properly clamped terminal 28 again. For this purpose, the operating sections 48, which are assigned to the correctly clamped connection terminals 28, can be separated from the opening element 42.
  • a cap 52 is placed on the plug body 12, which has a cable bushing 54 for the connecting line 38.
  • the cable bushing 54 is provided with a strain relief 56, which is clamped or fixed by means of a union nut 58.
  • the cap 42 is fixed by means of latching hooks 60, which are formed on the plug body 12, positively on the plug body by the locking hooks 60 engaging abutment shoulders 62 on locking recesses on the cap 52.
  • a seal 64 is provided between the plug body 12 and the cap 52. Also in the strain relief 56, a seal, not shown here is provided.
  • the handle portion 44 of the opening member 42 is formed so long that when the opening member 42 is inserted into the receptacle 40, the handle portion 44 projects in the axial direction Y far enough from the second axial end 26, that he on placement of the cap 52 on the inside abuts before the ratchets 60 engage behind the abutment shoulders 62. In this way it is prevented that the cap 52 can not be connected to the plug body 12, as long as the opening element 42 is still inserted into the receptacle 40.

Claims (17)

  1. Groupe motopompe et fiche de raccordement électrique associée qui est susceptible d'être raccordée à un raccord électrique à enfichage (10) du groupe motopompe et comprend un corps de fiche (12) dans lequel est disposé au moins un élément de contact électrique (20) qui comporte une borne de connexion (28) pour la réception d'un fil de raccordement (36), le corps de fiche (12) comprenant une réception (40), caractérisé en ce que la fiche de raccordement comporte un élément d'ouverture (42) susceptible d'être inséré dans la réception (40), l'élément d'ouverture (42) pouvant être introduit de manière amovible dans la réception (40) et la réception (40) étant disposée par rapport à la borne de connexion (28) de façon telle que, lorsque l'élément d'ouverture (42) est inséré dans la réception (40), l'élément d'ouverture (42) agisse sur la borne de connexion (28) et la maintienne en état d'ouverture, l'élément d'ouverture et la réception étant configurés de façon que l'élément d'ouverture soit maintenu dans la réception de manière solidaire en force et/ou en forme.
  2. Groupe motopompe et fiche de raccordement selon la revendication 1, caractérisé en ce que plusieurs éléments de contact électriques (20) sont disposés dans le corps de fiche (12), qui présentent chacun une borne de connexion (28) pour un fil de raccordement (36) et que l'élément d'ouverture (42) et la réception (40) sont conformés et disposés de façon que, lorsque l'élément d'ouverture (42) est inséré dans la réception (40), l'élément d'ouverture (42) agisse simultanément sur les bornes de connexion (28) de plusieurs, de préférence de tous les éléments de contact (20) et les maintienne chacun dans un état d'ouverture.
  3. Groupe motopompe et fiche de raccordement selon la revendication 2, caractérisé en ce que l'élément d'ouverture (42) comprend plusieurs zones d'actionnement (48) qui sont disposées de façon qu'ils agissent chacun sur une borne de connexion (28), les zones d'actionnement (48) présentant de préférence, à leur raccord aux autres pièces de l'élément d'ouverture (42), un point de rupture programmée.
  4. Groupe motopompe et fiche de raccordement selon l'une des revendications précédentes, caractérisé en ce que les bornes de connexion (28) sont formées comme bornes à ressort qui sont maintenues dans un état fermé par une précontrainte par ressort dans lequel un fil de raccordement (36) reçu est maintenu de manière serrée, et que l'élément d'ouverture (42) inséré dans la réception (40) maintient les bornes de connexion (28) en état ouvert à l'encontre de leur précontrainte par ressort.
  5. Groupe motopompe et fiche de raccordement selon la revendication 4, caractérisé en ce que les bornes de connexion (28) comprennent chacune un arceau résilient (32) qui s'étend, en état fermé, jusque dans la zone de la réception (40) dans le corps de fiche (12).
  6. Groupe motopompe et fiche de raccordement selon la revendication 5, caractérisé en ce que l'élément d'ouverture (42) comprend au moins une surface d'appui (50), de préférence en forme de coin, qui, lors de l'insertion de l'élément d'ouverture (42) dans la réception (40), écarte l'arceau résilient (32) de la zone de la réception (40).
  7. Groupe motopompe et fiche de raccordement selon l'une des revendications précédentes, caractérisé en ce que le corps de fiche (12) forme à une première extrémité axiale (13) une zone d'accouplement (14) qui est conformée de manière correspondante au raccord à enfichage (10) du groupe motopompe.
  8. Groupe motopompe et fiche de raccordement selon la revendication 7, caractérisé en ce que les bornes de connexion (28) et la réception (40) pour l'élément d'ouverture (42) sont ouverts vers une seconde extrémité axiale (26) du corps de fiche (12), éloignée de la première extrémité axiale (13).
  9. Groupe motopompe et fiche de raccordement selon la revendication 8, caractérisé en ce que la direction d'insertion (Y) du fil de raccordement (36) dans la borne de connexion (28) est orientée parallèlement à la direction d'insertion et d'extraction pour l'élément d'ouverture (42) de la réception (40).
  10. Groupe motopompe et fiche de raccordement selon la revendication 8 ou 9, caractérisé en ce que la fiche de raccordement comporte un capuchon de recouvrement (52) qui est susceptible d'être placé sur la seconde extrémité axiale (26) du corps de fiche (12) et qui recouvre alors les ouvertures des bornes de connexion (28) et de la réception (40).
  11. Groupe motopompe et fiche de raccordement selon la revendication 10, caractérisé en ce que le capuchon de recouvrement (52) et le corps de fiche (12) sont pourvus d'éléments d'encliquetage (60, 62) correspondant les uns aux autres à l'aide desquels le capuchon de recouvrement (52) et le corps de fiche (12) peuvent s'engager l'un dans l'autre par encliquetage.
  12. Groupe motopompe et fiche de raccordement selon la revendication 10 ou 11, caractérisé en ce que le capuchon de recouvrement (52) comprend un passage de câble (54) qui est pourvu, de préférence, d'un dispositif de décharge de traction (56).
  13. Groupe motopompe et fiche de raccordement selon l'une des revendications 10 à 12, caractérisé en ce que l'élément d'ouverture (42) et le capuchon de recouvrement (52) sont conformés de façon que, lorsque l'élément d'ouverture (42) se trouve dans la réception (40) dans le corps de fiche (12), un engagement du capuchon de recouvrement (52) et du corps de fiche (12) soit empêché.
  14. Groupe motopompe et fiche de raccordement selon l'une des revendications précédentes, caractérisé en ce que l'élément d'ouverture (42) comprend au moins une zone d'actionnement (48), qui est susceptible d'être inséré dans la réception (40), et une zone de préhension (44) qui s'étend de la réception (40) vers l'extérieur en saillie.
  15. Groupe motopompe et fiche de raccordement selon la revendication 14, caractérisé en ce que la zone de préhension (44) est pourvue d'une inscription (46) pour les bornes de connexion (48).
  16. Groupe motopompe et fiche de raccordement selon l'une des revendications précédentes, caractérisé en ce que l'élément d'ouverture (42) est disposé sur un capuchon de recouvrement (52) de la fiche de connexion (12) ou une partie de carter du groupe motopompe ou fait partie d'un emballage de la fiche de raccordement ou du groupe motopompe et est relié aux autres parties de l'emballage de préférence par un point de rupture programmée.
  17. Fiche de raccordement pour un groupe motopompe, avec un corps de fiche (12) dans lequel est disposé au moins un élément de contact électrique (20) qui comporte une borne de connexion (28) pour la réception d'un fil de raccordement (36), le corps de fiche (12) comportant une réception (40), caractérisé en ce que la fiche de raccordement comporte un élément d'ouverture (42) susceptible d'être inséré dans la réception (40), qui est susceptible d'être inséré de manière amovible dans la réception (40) et que la réception (40) est disposée par rapport à l'élément de contact (20) de façon telle que, lorsque l'élément d'ouverture (42) est inséré dans la réception (40), l'élément d'ouverture (42) agisse sur la borne de connexion (28) et la maintienne en état d'ouverture, l'élément d'ouverture et la réception étant configurés de façon que l'élément d'ouverture soit maintenu dans la réception de manière solidaire en force et/ou en forme.
EP12154462.1A 2012-02-08 2012-02-08 Groupe motopompe doté d'une prise électrique Active EP2626645B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP12154462.1A EP2626645B1 (fr) 2012-02-08 2012-02-08 Groupe motopompe doté d'une prise électrique
PL12154462T PL2626645T3 (pl) 2012-02-08 2012-02-08 Agregat pompowy z elektryczną wtyczką przyłączeniową
CN201380008586.XA CN104114872B (zh) 2012-02-08 2013-01-11 具有电插头的泵机组
US14/372,134 US9337556B2 (en) 2012-02-08 2013-01-11 Pump unit with electrical connection plug
PCT/EP2013/050486 WO2013117381A1 (fr) 2012-02-08 2013-01-11 Ensemble pompe comprenant une fiche de raccordement électrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12154462.1A EP2626645B1 (fr) 2012-02-08 2012-02-08 Groupe motopompe doté d'une prise électrique

Publications (2)

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EP2626645A1 EP2626645A1 (fr) 2013-08-14
EP2626645B1 true EP2626645B1 (fr) 2016-10-26

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EP12154462.1A Active EP2626645B1 (fr) 2012-02-08 2012-02-08 Groupe motopompe doté d'une prise électrique

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US (1) US9337556B2 (fr)
EP (1) EP2626645B1 (fr)
CN (1) CN104114872B (fr)
PL (1) PL2626645T3 (fr)
WO (1) WO2013117381A1 (fr)

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US9859649B2 (en) * 2014-07-05 2018-01-02 Eaton Electrical Ip Gmbh & Co. Kg Plug adapter for an electrical device for plugging in supply lines, and system formed by a plug adapter and a device
TWM507609U (zh) * 2015-02-17 2015-08-21 Switchlab Inc 接線端子夾制結構
DE102015104270A1 (de) * 2015-03-23 2016-09-29 Eaton Electrical Ip Gmbh & Co. Kg Kontaktierungsvorrichtung zum Kontaktieren eines elektrischen Leiters an eine elektrische Leiterbahn
JP6651393B2 (ja) * 2016-03-25 2020-02-19 日本圧着端子製造株式会社 圧接コンタクト及び圧接コネクタ
DE202017101204U1 (de) * 2017-03-02 2017-03-21 Grundfos Holding A/S Heizungsumwälzpumpe
JP6931223B2 (ja) * 2017-07-25 2021-09-01 日本圧着端子製造株式会社 端子、及び電気コネクタ
JP6803891B2 (ja) * 2018-11-05 2020-12-23 矢崎総業株式会社 端子、端子に電線を接続する方法、及び、治具

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DE4413611A1 (de) * 1994-04-19 1995-10-26 Thomas & Betts Gmbh Elektrischer Stecker für Flachbandleitungen
DE9415076U1 (de) * 1994-09-16 1995-10-12 Siemens Ag Elektronisches Gerät, insbesondere Automatisierungsgerät
DE19506859A1 (de) * 1995-02-15 1996-08-22 Wago Verwaltungs Gmbh Elektr. Steckverbinder
JP2987493B2 (ja) * 1996-10-22 1999-12-06 株式会社テーアンテー スイッチの接続構造
DE29707710U1 (de) * 1997-04-29 1998-06-25 Bals Elektrotechnik Gmbh & Co Kg Schraubenlose Steckverbindung
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Also Published As

Publication number Publication date
US20150056874A1 (en) 2015-02-26
US9337556B2 (en) 2016-05-10
CN104114872A (zh) 2014-10-22
CN104114872B (zh) 2017-02-22
WO2013117381A1 (fr) 2013-08-15
PL2626645T3 (pl) 2017-03-31
EP2626645A1 (fr) 2013-08-14

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