EP2606535B1 - Borne de traversée électrique murale - Google Patents

Borne de traversée électrique murale Download PDF

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Publication number
EP2606535B1
EP2606535B1 EP11757543.1A EP11757543A EP2606535B1 EP 2606535 B1 EP2606535 B1 EP 2606535B1 EP 11757543 A EP11757543 A EP 11757543A EP 2606535 B1 EP2606535 B1 EP 2606535B1
Authority
EP
European Patent Office
Prior art keywords
plug
contact
terminal
test
wall
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
EP11757543.1A
Other languages
German (de)
English (en)
Other versions
EP2606535A1 (fr
Inventor
Harry Bentler
Thorsten Diessel
Torsten Schloo
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 EP2606535A1 publication Critical patent/EP2606535A1/fr
Application granted granted Critical
Publication of EP2606535B1 publication Critical patent/EP2606535B1/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
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2625—Clip-on terminal blocks for side-by-side rail- or strip-mounting with built-in electrical component
    • H01R9/2666—Clip-on terminal blocks for side-by-side rail- or strip-mounting with built-in electrical component with built-in test-points
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • H01R13/7031—Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/2491—Terminal blocks structurally associated with plugs or sockets

Definitions

  • the present invention relates to an electrical wall feed-through terminal with a housing and with a contact device on which at least one plug-in zone for receiving a test and / or disconnect plug is provided.
  • a test plug or a disconnect plug or a test and disconnect plug can be inserted into the plug-in zone. It is also possible that the test and / or disconnect plug acts as a shorting plug.
  • such wall feed-through terminals are designed as terminal blocks or test terminal block and have conductor connection elements and associated current bars, wherein the conductor connection elements make contact contacting in a contact area, if no test plug has been introduced.
  • test plugs can also be used as plugs in addition to simple isolating plugs or through connectors.
  • test plugs may have special components that verify the proper functioning of the circuit connected to the wall feed-through terminal.
  • different functions can be checked simultaneously or successively by means of different test plugs.
  • the wall feed-through terminals are disc-shaped as an electrical terminal block, they can be plugged together with several other electrical terminals to form a terminal block. In such a terminal block can then be plugged into the number of terminal blocks corresponding number of test plugs. It is possible that a test plug block is formed, which is inserted in total in the terminal block.
  • the DE 299 17 825 U1 relates to a connecting element or a feed-through connector, in which a plurality of juxtaposed bus bars are provided in a housing.
  • a conductor can be plugged into a specific connection opening and thus connected to one of the busbars.
  • individual busbars can be connected to each other by inserting cross connector bridges.
  • feed shafts are provided, over which de busbars can be contacted from above and from below with cross-connector bridges.
  • a test terminal block of electrical terminal blocks has become known, which has at each terminal a Einsteckzone for inserting a test plug.
  • two contact areas are present at the plug-in zone for receiving the contact plug, which are formed from contact legs, wherein the contact legs in the touch first contact area in the ground state, while the contact legs are spaced apart in the second contact area.
  • the second contact area is first touched upon insertion of a test plug from the disconnect plug. When inserting a test plug, the latter first contacts the second contact area and establishes a test connection. Only upon further insertion of the test plug contacted the first contact area and urges the resiliently adjacent contact legs apart.
  • test plug first reliably establishes contact with the second contact region before the electrical connection is disconnected at the first contact region.
  • the known state of the art works reliably.
  • the electrical wall feed-through terminal according to the invention which can be mounted on a wall, has a housing and a contact device, on which at least one plug-in zone for receiving a test and / or isolating plug is provided.
  • the electrical wall feed-through terminal according to the invention has a first conductor connection, which is connected to a first contact unit of the contact device. Furthermore, at least one second conductor connection is provided, which is connected to a second contact unit of the contact device.
  • the housing has on at least two sides insertion openings, of which in each case at least one test and / or disconnect plug in the at least one Plug-in zone for contacting the first and second contact unit can be inserted. In this case, a test and / or disconnect plug can be inserted into the insertion opening on one side from one wall side of the wall and into the insertion opening on the other side from another wall side of the wall.
  • the electrical wall feed-through terminal according to the invention has many advantages, among other things because the housing of the electrical wall feed-through terminal of at least two sides of insertion has, at which at least one test and / or disconnect plug is inserted to check the connected to the electrical wall feed-through terminal circuit and / or to be able to disconnect the electrical circuit.
  • the inventive electrical connection terminal makes it possible to carry out the maintenance of an electrical circuit, wherein the test and / or disconnect plug can be inserted from two sides into the housing of the electrical connection terminal.
  • the electrical terminal can be used in the housing wall, so that it is possible to insert the test and / or disconnect plug either from the inside of the cabinet or from the outside into the wall of the cabinet.
  • the electrical wall feed-through terminal offers the possibility of introducing at least two sides of a test and / or disconnect plug into the electrical terminal, wherein in each case the first and second contact unit of the contact device of the electrical terminal can be contacted.
  • this embodiment of the invention is a flexible Connection terminal provided, which is inexpensive to use and practically replaces the function of two test terminals, where the space requirement is the same as in a single terminal block from the prior art.
  • the insertion openings are provided on opposite sides of the housing.
  • Such a configuration allows the use in the wall of a cabinet or in the door of a cabinet, with subsequently a plug-in zone of the electrical terminal from the outside and wherein the plug-in zone or another plug-in zone is accessible from the inside.
  • This makes it possible when performing maintenance on control cabinets, both to plug a test and / or disconnect plug from the outside when the cabinet door is closed or even with the cabinet door open from the inside to insert.
  • the risk of accidents at work also decreases because the cables to the test and / or disconnect plugs do not have to be guided around an upright cabinet door or the like.
  • a disconnect and / or test plug After acceptance and commissioning of a system, a disconnect and / or test plug can be easily plugged from the outside into the plug-in zone on the closed control cabinet wall and the condition of the system can be checked, for example during routine maintenance.
  • the disconnect and / or test plug can be connected directly from inside be introduced into the plug-in zone.
  • An elaborate closing the cabinet door before plugging the separation and / or test plug in the plug-in zone can be omitted.
  • the invention offers considerable advantages both during startup and during later maintenance operations.
  • an electronics is installed in the separation and / or test plug, which automatically detects the plug-in direction and adapts, so that from the outside and inside identical separation and / or test plug can be used. It is also possible to provide the disconnect and / or test plug with a switch that switches the wiring according to the insertion of inside or outside manually or automatically.
  • the first contact unit is preferably connected to the first conductor connection via a first current bar.
  • the second contact unit is connected to the second conductor connection via a second current bar.
  • a third, fourth or fifth conductor connection is provided on an electrical wall feed-through terminal.
  • a plurality of terminals in the form of terminal blocks as a terminal block as a whole are provided as a wall feed-through terminal block, at which then two, three or more conductor terminals are provided.
  • terminal blocks it is additionally possible to provide a plug-in facility for at least one transverse bridging in order to set two or more conductor connections to the same potential.
  • At least one contact unit has two spatially spaced first and second contact sections.
  • Such an embodiment is very advantageous because it can be ensured that when contacting by a test and / or disconnect plug first contact to the inserted plug is made at the first (or second) contact portion, while only then the connection between the first and the second conductor terminal at the second (or first) contact section.
  • safe and reliable operation is ensured, in particular in the case of sensitive electrical installations and / or in the case of high voltages and / or high-acting currents.
  • a ground state is understood here to be the state in which no test and / or isolating plug is inserted into the corresponding plug-in zone.
  • This means that the two contact units in the ground state are electrically conductively connected to one another at two mutually remote contact sections.
  • the two contact sections independently provide for a reliable electrical connection of the first and the second contact unit and thus of the first conductor connection to the second conductor connection.
  • test and / or disconnect plug is independent of the order of arrangement of the first and second contact portion. If the test and / or disconnect plug is inserted from the side of the first contact section and if, for example, the first contact unit is inserted first, the electrically conductive contact at the second contact section remains intact even after the contact has been separated at the first contact section. Only when a complete or at least almost complete insertion of the separating and / or test plug of the electrically conductive contact at the second contact portion is separated. At the time of the separation at the second contact section, however, the separating and / or test plug has already reliably contacted the first contact section. In the case of introduction from the other side, the same applies in the reverse order, when in the ground state the first Contact unit and the second contact unit at the first and the second contact portion electrically conductively touch.
  • At least one contact unit is at least partially made of a resilient material.
  • both contact units consist at least partially and in particular substantially or completely of one or more resilient materials. But it is also possible if only one contact unit partially made of a resilient material, as by the spring action of this contact unit reliable electrical contact with the other contact unit is possible.
  • At least one contact unit comprises at least one contact leg.
  • a contact leg may be formed in particular as a long loop. Since the length of the loop is greater than its width, there is a long loop. The length of the elongated loop is in particular at least 1.5 times and preferably at least twice as large as a width extending transversely thereto.
  • Such a loop may be formed as a closed or open loop.
  • Possible and preferred, for example, is an approximately U- or C-shaped configuration, in which the first and the second contact section are provided in the two end regions of the "C".
  • spaced-apart portions are provided which provide a spatial separation of the first and the second contact portion allow. The spatial separation allows the temporally and spatially successive separation of the contact portions, in particular in any order depending on the insertion direction.
  • the electrical wall feed-through terminal is designed as an electrical terminal block.
  • a disconnect and / or test plug and / or short-circuit plug can be inserted through the wall of a connection cabinet, for example into the housing of the connection terminal, from two or more sides.
  • FIGS. 1 to 6 An exemplary embodiment of the electrical wall feed-through terminal 1 according to the invention is explained below, which is designed here as an electrical terminal block 30 and in particular as a wall feed-through terminal block 40.
  • electrical wall feed-through terminal 1 is shown here with an inserted test and / or separator 5, which can also be designed as a shorting plug.
  • the electrical wall feed-through terminal 1 has a housing 2, which consists of an insulating material and provides the necessary protection and a Berzierêt for the conductor terminals.
  • FIG. 1 a wall feed-through terminal block with a terminal block 31 is shown, which has a plurality of terminal blocks 30.
  • Each terminal 1 of the terminal block 31 here has a first conductor terminal 6 and a second conductor terminal 8, which are connected to each other in the ground state 14 via the contact means 3 electrically conductive.
  • first plug-in state 26 the first conductor terminal 6 is electrically isolated from the second conductor terminal 8, since the test and / or disconnect plug 5 is inserted into the plug-in zone 4.
  • test and / or disconnect plug 5 it is possible that also in the in FIG. 1 shown first plug-in state 26 via the test and / or separator 5, an electrically conductive connection between the first conductor terminal 6 and the second conductor terminal 8 is produced. In any case, however, the direct electrically conductive connection to the contact device 3 is canceled by the insertion of the test and / or disconnect plug 5.
  • test connections may be provided, the number per test and / or separator 5 may vary depending on the current requirements.
  • the electrical wall feed-through terminal 1 is mounted on a wall 24, for example, a control cabinet. This makes it possible, both from the side 10 and from the side 11 of the housing 2 of the wall feed-through terminal 1 to lead a test and / or separator 5 in the plug-in zone 4.
  • the wall bushing clamp 1 practically a common insertion zone 4, which is effective for the insertion of the test and / or disconnect plug 5 from both sides 10 and 11 from.
  • the insertion openings 12 and 13 can also be considered as separate Einsteckzonen which are both provided with the reference numeral 4 for the sake of simplicity.
  • the first conductor connection 6 and the second conductor connection 8 and the insertion opening 12 are preferably accessible from one side of the wall 24 and in particular from one side 10 of the housing, while the insertion opening 13 is accessible from the other side 11.
  • the conductor terminals 6 and 8 and the insertion opening 12 are accessible from approximately one direction, which is aligned opposite to the insertion opening 13.
  • the plug-in zone 4 is accessible from both sides of the housing, while the lead terminals 6 and 8 are accessible only from one side.
  • FIG. 2 is shown in an enlarged and highly schematic cross-section of an electrical wall feed-through terminal 1, wherein only in the second conductor terminal 8, a conductor 25 is inserted. In normal operation, a corresponding conductor 25 is also introduced into the first conductor connection 6.
  • the first conductor connection 6 is connected to the first contact unit 7 of the contact device 3 via a current bar 15, while the second conductor connection 8 is connected to the second contact unit 9 via a current bar 16. It is also possible that a current bar or both current bars are each an integral part of the respective contact unit.
  • FIG. 3 the first contact unit 7 and the second contact unit 9 are shown in an exploded view, wherein the distance between the two contact units 7 and 9 has been increased so far that the contact legs 19 and 20 of the first contact unit 7 and the second contact unit 9 no longer touch, but are shown spaced from each other.
  • the two contact units 7 and 9 were zoomed in order to explain the function better.
  • the contact units 7 and 9 When assembled, the contact units 7 and 9 are arranged as shown in FIG FIG. 2 is shown and the contact legs 19 are in contact with each other at the first contact section 17 and the contact legs 20 touch each other at the second contact section 18.
  • the contact point 17a of the contact unit 7 and the contact point 17b contact each other at the first contact section 17.
  • the contact point 18 a of the contact unit 7 and the contact point 18 b touch, so that there is a redundant electrically conductive connection.
  • Both the first contact unit 7 and the second contact unit 9 are formed here as a loop 21 and have an elongated approximately C-shaped form whose length is more than twice as large as the width here.
  • the contact portions 17 and 18 are provided, which are axially spaced apart as seen in the two insertion directions. Both contact units 7 and 9 can be identical and arranged mirror-symmetrically.
  • the first contact portion 17 may also be referred to as a rear or inner and the second contact portion 17 may be referred to as a front or outer contact portion, when the page 10 is disposed within a cabinet or distribution box and the side 11 facing outward.
  • This function is independent of whether a test and / or disconnect plug 5 is inserted into the first insertion opening 12 or the second insertion opening 13.
  • the plug is first contacted securely and only then the direct electrical connection of the first conductor terminal 6 is lifted with the second conductor terminal 8.
  • insertion openings 12 and 13 are provided, in which when inserting a test and / or disconnect plug first reliable contact with the test and / or separator 5 is made before the Contact at the other insertion openings is lifted.
  • FIG. 4 shows a cross section through an electrical wall feed-through terminal 1, which is mounted on a wall 24, for example, a junction box, a junction box or a control cabinet.
  • the electrical wall feed-through terminal is accessible from both sides 22 and 23 of the wall 24.
  • a test and / or separating plug 5 can be inserted into the insertion opening 12 or 13 in order to carry out a test or maintenance.
  • FIG. 4 the first plug-in state 26 is shown, in which the test and / or separating plug 5 was introduced from the second side 11.
  • FIG. 5 the second plug-in state 27 is shown, in which the test and / or disconnect plug 5 is inserted from the first side 10
  • FIG. 5 illustrated the state in which the contact tip 29 of the test and / or separator 5 contacts the first contact portion 17 of the contactor 3, before the electrically conductive connection is released.
  • FIG. 6 shows a highly schematic plan view of a manifold or junction box shown cut.
  • the rectangular area shown hatched represents a control cabinet 39.
  • two doors 37 are provided, one of which is open, so that the uncut door opening can be seen.
  • the doors 37 are part of the walls 24 surrounding the interior.
  • a wall feed-through terminal 1 is provided here.
  • 24 wall feed-through terminals 1 are arranged in two other walls.
  • the person 33 need not leave their location and go to the location of the person 34 to insert the disconnect and / or test plug in the wall feed-through terminal 1.
  • the person 33 shown with a dashed line can also insert the separating and / or test plug directly on the open door 37 from the inside into the wall feed-through terminal 1 in the direction of insertion 36. This allows a much more flexible handling.
  • the invention provides a wall feed-through terminal 1 with the possibility of connecting a test and / or disconnect plug 5, wherein the test and / or disconnect plug 5 can be inserted from at least two sides into the housing 2 of the electrical connection terminal 1.
  • a high level of security with a simple operation is possible.
  • the invention provides an electrical connection terminal, which can be used in particular as a terminal block 30 or as a wall feed-through terminal block 40.
  • the connection terminal 1 can be installed in a control cabinet wall and thus offers a barrier-external test plug-in zone, e.g. for control measurements and an in-cabinet test plug-in zone e.g. for commissioning tests or a wiring test available.
  • additional mounting or locking flanges are provided on the housing to clamp the housing 2 to the wall 24 to be fixed or screwed or otherwise secure it.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (9)

  1. Borne de traversée murale électrique (1) qui peut être montée sur un mur (24), comprenant un boîtier (2) et un dispositif de contact (3) sur lequel est prévue au moins une zone d'enfichage (4) destinée à recevoir au moins une prise mâle d'essai et/ou de coupure (5), et un premier raccordement de conducteur (6) qui est connecté à une première unité de contact (7) du dispositif de contact (3) ainsi qu'un deuxième raccordement de conducteur (8) qui est connecté à une deuxième unité de contact (9) du dispositif de contact (3), dans laquelle ledit boîtier (2) présente sur au moins deux côtés (10, 11) des ouvertures d'enfichage (12, 13) par lesquelles respectivement au moins une prise mâle d'essai et/ou de coupure (5) peut être introduite dans la zone d'enfichage (4) pour la mise en contact des première et deuxième unités de contact (7, 9),
    caractérisée par le fait qu'une prise mâle d'essai et/ou de coupure (5) peut être introduite dans l'ouverture d'enfichage (12) située sur l'un (10) des côtés, à partir d'un côté de mur (23) du mur (24) et peut être introduite dans l'ouverture d'enfichage (13) située sur l'autre côté (11), à partir d'un autre côté de mur (22) du mur (24).
  2. Borne de traversée murale (1) selon la revendication 1, dans laquelle les ouvertures d'enfichage (12, 13) sont prévues sur des côtés opposés (10, 11) du boîtier (2).
  3. Borne de traversée murale (1) selon la revendication 1 ou 2, dans laquelle la première unité de contact (7) est connectée par une première barre de courant (15) au premier raccordement de conducteur (6) et dans laquelle la deuxième unité de contact (9) est connectée par une deuxième barre de courant (16) au deuxième raccordement de conducteur (8).
  4. Borne de traversée murale (1) selon l'une quelconque des revendications précédentes, dans laquelle au moins une unité de contact (7, 9) présente deux première et deuxième sections de contact (17, 18) qui sont espacées l'une de l'autre dans l'espace.
  5. Borne de traversée murale (1) selon l'une quelconque des revendications précédentes, dans laquelle, à l'état de base (14), les première et deuxième unités de contact (7, 9) se touchent de manière électriquement conductrice sur les première et deuxième sections de contact (17, 18).
  6. Borne de traversée murale (1) selon l'une quelconque des revendications précédentes, dans laquelle au moins une unité de contact (7, 9) est réalisée au moins en partie dans un matériau faisant ressort.
  7. Borne de traversée murale (1) selon l'une quelconque des revendications précédentes, dans laquelle au moins une unité de contact (7, 9) comprend au moins une branche de contact (19, 20) qui, en particulier, est formée en tant que noeud coulant allongé (21).
  8. Borne de traversée murale (1) selon l'une quelconque des revendications précédentes, qui est réalisée en tant que barrette à bornes (30).
  9. Borne de traversée murale (1) selon l'une quelconque des revendications précédentes, qui est réalisée en tant que bloc de bornes de traversée murales (40).
EP11757543.1A 2010-08-19 2011-08-18 Borne de traversée électrique murale Active EP2606535B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010034863 DE102010034863A1 (de) 2010-08-19 2010-08-19 Elektrische Anschlussklemme
PCT/EP2011/004152 WO2012022483A1 (fr) 2010-08-19 2011-08-18 Borne de traversée électrique murale

Publications (2)

Publication Number Publication Date
EP2606535A1 EP2606535A1 (fr) 2013-06-26
EP2606535B1 true EP2606535B1 (fr) 2017-01-04

Family

ID=44651620

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EP11757543.1A Active EP2606535B1 (fr) 2010-08-19 2011-08-18 Borne de traversée électrique murale

Country Status (6)

Country Link
US (1) US8961208B2 (fr)
EP (1) EP2606535B1 (fr)
JP (1) JP2013538422A (fr)
CN (1) CN103181030B (fr)
DE (2) DE202010017964U1 (fr)
WO (1) WO2012022483A1 (fr)

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DE202008015306U1 (de) * 2008-11-19 2010-04-08 Weidmüller Interface GmbH & Co. KG Reihenklemmenanordnung mit Querverbindern und Prüfsteckern

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US20130217276A1 (en) 2013-08-22
DE102010034863A1 (de) 2012-02-23
JP2013538422A (ja) 2013-10-10
DE202010017964U1 (de) 2013-05-02
US8961208B2 (en) 2015-02-24
CN103181030A (zh) 2013-06-26
WO2012022483A1 (fr) 2012-02-23
EP2606535A1 (fr) 2013-06-26
CN103181030B (zh) 2016-06-29

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