EP1244184B1 - Système de connexion pour connecter des cellules de pesage - Google Patents

Système de connexion pour connecter des cellules de pesage Download PDF

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Publication number
EP1244184B1
EP1244184B1 EP02006100A EP02006100A EP1244184B1 EP 1244184 B1 EP1244184 B1 EP 1244184B1 EP 02006100 A EP02006100 A EP 02006100A EP 02006100 A EP02006100 A EP 02006100A EP 1244184 B1 EP1244184 B1 EP 1244184B1
Authority
EP
European Patent Office
Prior art keywords
load cells
connection system
connection
cable
pin
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.)
Expired - Lifetime
Application number
EP02006100A
Other languages
German (de)
English (en)
Other versions
EP1244184A2 (fr
EP1244184A3 (fr
Inventor
Jörg Herrnring
Wolf Dieter Schulze
Eugen Gassmann
Matthias Müller
Arian Frikee
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.)
Minebea Intec GmbH
Original Assignee
Sartorius Hamburg GmbH
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
Priority claimed from DE10150641A external-priority patent/DE10150641B4/de
Application filed by Sartorius Hamburg GmbH filed Critical Sartorius Hamburg GmbH
Priority to DE20221604U priority Critical patent/DE20221604U1/de
Publication of EP1244184A2 publication Critical patent/EP1244184A2/fr
Publication of EP1244184A3 publication Critical patent/EP1244184A3/fr
Application granted granted Critical
Publication of EP1244184B1 publication Critical patent/EP1244184B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/02—Intermediate parts for distributing energy to two or more circuits in parallel, e.g. splitter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/003—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits the coupling part being secured only to wires or cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/74—Devices having four or more poles, e.g. holders for compact fluorescent lamps
    • H01R33/76—Holders with sockets, clips, or analogous contacts adapted for axially-sliding engagement with parallely-arranged pins, blades, or analogous contacts on counterpart, e.g. electronic tube socket
    • H01R33/765—Holders with sockets, clips, or analogous contacts adapted for axially-sliding engagement with parallely-arranged pins, blades, or analogous contacts on counterpart, e.g. electronic tube socket the terminal pins having a non-circular disposition
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/92—Holders formed as intermediate parts for distributing energy in parallel through two or more counterparts at least one of which is attached to apparatus to be held

Definitions

  • the invention relates to a connection system for connecting load cells to a connection cable.
  • load cells are used. If it is necessary to use several load cells individually or in parallel, they must be electrically connected to a generally central data acquisition system. So far, this wiring has been realized by means of erklemm terminals. In this case, the individual strands, such as the supply voltage, the signal voltage and the shield, each individually attached to an associated screw.
  • connection system for a plurality of load cells the assembly is very complex and error-prone especially when wiring very many load cells.
  • the replacement of individual load cells also carries the risk of a wiring error.
  • Another disadvantage is in the known connection systems for load cells, that no error detection is available, which distinguishes the different error conditions, such as cable breakage and reverse polarity.
  • EP 1,056,165 discloses a connection system according to the preamble of claim 1.
  • the present invention seeks to provide a connection system for connecting load cells to a connection cable for To make available, which significantly simplifies the installation of one or more load cells and at the same time minimizes the error rate of installation.
  • the previously derived and indicated object for a connection system for connecting load cells to a connection cable according to claim 1 is achieved in that at least one connector for connecting a connection cable and at least one other connector for connecting at least one load cell is provided in the housing of the connection system.
  • the connectors serve as detachable electrical contacts and facilitate according to the invention the installation of a connection system for connecting load cells to a connection cable substantially.
  • connection system If several connectors are provided for the connection of a plurality of load cells, then, according to a further embodiment of the connection system according to the invention, the parallel operation of a plurality of load cells on a connection cable without complicated assembly is possible.
  • a next embodiment of the connection system according to the invention is advantageously configured in that differently coded connectors are provided for the connection cable and the load cells. A confusion of the plug positions of the connectors for the connection cable and the load cells is no longer possible due to the coding. The error rate of mounting the connection system is thereby further reduced.
  • connection system according to the invention, a plug is provided for the connection cable and an outlet for the load cells.
  • the type of connector in the connection system alone makes it possible to distinguish connectors for the connection cable and for the load cells.
  • the avoidance of cabling errors for the different modes of the connection system is achieved according to a further embodiment in that the different connectors of the load cells for the operation of one or more load cells are coded differently.
  • the coding for, for example, two parallel-operated load cells can be ensured by an identical installation angle of a connector provided with an anti-rotation protection with respect to an axis, for example the longitudinal axis of the housing of the connection system.
  • a connection system according to the invention is particularly advantageously designed if means are provided for the detection and automatic display of different operating states of the connection system.
  • An automatic display of the various operating states of the connection system ensures a particularly simple troubleshooting.
  • At least one light-emitting diode for automatically displaying the operating states is provided, a particularly cost-effective and reliable display of the operating states of the connection system can be ensured.
  • At least the operating states power supply, loop current, reverse polarity and cable break can be displayed.
  • the essential failure possibilities of a connection system for load cells are displayed, so that an error analysis can be carried out very quickly.
  • the load cells connected to the connection system can be secured against surges from the network.
  • the degrees of protection IP 67/68 are, according to a further developed embodiment of inventive connection system, cavities in the housing of the connection system and in the connectors with a plastic poured. In this way, for example, a protection against dust ingress and water ingress during submersion can be ensured in accordance with the IP degree of protection IP68.
  • connection system for load cells which has a housing 1, a connector 2 for the connection cable, and connector 3 for connecting one or more load cells.
  • light-emitting diodes 4 and a grounding cable 5 are provided in the housing 1 of the connection system according to the invention.
  • the light-emitting diodes 4 serve to indicate operating states, for example voltage supply, loop current, reverse polarity and cable break of the connected load cells.
  • the grounding cable 5 With the help of the grounding cable 5, the entire connection system can be set to a fixed potential, so for example also be grounded.
  • the connector 2 of the connection cable as a plug and the connector 3 for the load cells are designed as sockets.
  • the connectors 2 and 3 are coded differently for the connection of the load cells with each other, so that it is easy to differentiate between the connection of a single load cell and two load cells connected in parallel.
  • the LEDs 4 are arranged so that they indicate the operating status of the respective associated connector.
  • FIG. 1 The electrical circuit diagram of a circuit of a second embodiment, which enables the inventive method for monitoring the operation of load cells, is shown in FIG.
  • the connector 5 is provided for connection of the connection cable for supplying the load cells and the sockets 6, 7 and 8 respectively for connection to load cells.
  • the load cells connected to the sockets 6 to 8 are supplied with voltage.
  • the operation of this circuit is explained using the example of the connection of a load cell to the connection system.
  • the single connection of only one load cell to the designated socket 7 signals a through the LED (LED) 11 via the resistor 12 flowing current, whether the correct supply voltage between the electrical contacts 13 or 14 and 15 of the socket 7 of the single terminal is applied.
  • LED LED
  • the non-activated LED 11 signals that there is no correct supply voltage.
  • the loop current between the electrical contacts 13 or 14 and 15 of the socket 7 of the single terminal indicates the LED 16 when it is driven accordingly via the resistor 17.
  • this loop current is interrupted, ie a cable break exists in the area of the voltage supply of the load cell, this is signaled by the switched-off LED 16.
  • the plug contact 21 of the connector 5 of the connection cable with the signal line is also connected via the plug contact 22 of the connection sockets 7 of the load cell.
  • a Studentsnapssgasableiter 23 can be connected between the plug contact 21 of the connector 5 and the contact 9 of the connector 5. Furthermore, the entire system, ie the connector 5 of the connection cable and the connection sockets 7 of the load cell via the electrical contact 24, 25 of the respective connector via the ground 26 grounded.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Processing Of Terminals (AREA)
  • Cable Accessories (AREA)

Claims (10)

  1. Système de liaison pour raccorder des cellules de pesée à un câble de liaison, comportant un boîtier (1), dans lequel au moins un connecteur (2) pour le raccordement d'un câble de liaison et au moins un autre connecteur (3) pour le raccordement d'au moins une cellule de pesée sont prévus dans le boîtier, et dans lequel des moyens sont prévus pour la détection et l'affichage automatique de différents états de fonctionnement du système de liaison,
    caractérisé en ce que les moyens de détection comprennent au moins un moyen pour détecter l'alimentation en tension, de l'état de fonctionnement, un moyen pour détecter un courant de boucle de l'état de fonctionnement, un moyen pour détecter une inversion de polarité de l'état de fonctionnement, et un moyen pour détecter une rupture de câble de l'état de fonctionnement.
  2. Système de liaison selon la revendication 1, caractérisé en ce que plusieurs connecteurs (3) sont prévus pour le raccordement de plusieurs cellules de pesée.
  3. Système de liaison selon l'une des revendications 1 ou 2, caractérisé en ce que des connecteurs (2, 3) codés différemment sont prévus pour le câble de liaison et les cellules de pesée.
  4. Système de liaison selon l'une des revendications 1 à 3, caractérisé en ce qu'un connecteur est prévu pour le câble de liaison et respectivement une prise est prévue pour les cellules de pesée.
  5. Système de liaison selon l'une des revendications 2 à 4, caractérisé en ce qu'une différenciation automatique entre le fonctionnement d'une ou de plusieurs cellules de pesée est prévue au moyen des connecteurs (3) respectivement choisis.
  6. Système de liaison selon l'une des revendications 2 à 5, caractérisé en ce que les différents connecteurs (3) des cellules de pesée sont codés différemment pour le fonctionnement d'une ou de plusieurs cellules de pesée.
  7. Système de liaison selon l'une des revendications 1 à 6, caractérisé en ce qu'au moins une diode électroluminescente (4) est prévue pour l'affichage automatique des états de fonctionnement.
  8. Système de liaison selon l'une des revendications 1 à 7, caractérisé en ce qu'il est prévu au moins un câble de mise à la terre (5) et éventuellement un éclateur de surtension à gaz.
  9. Système de liaison selon l'une des revendications 1 à 8, caractérisé en ce que des cavités dans le boîtier (1) du système de liaison et dans les connecteurs (2, 3) sont formées par moulage d'une matière plastique.
  10. Procédé pour contrôler le fonctionnement de cellules de pesée, notamment pour la réalisation à l'aide d'un système de liaison selon l'une des revendications 1 à 9, caractérisé en ce qu'au moins les états comprenant l'alimentation en tension, le courant de boucle, l'inversion de polarité et la rupture de câble des différentes cellules de pesée raccordées sont affichés.
EP02006100A 2001-03-23 2002-03-19 Système de connexion pour connecter des cellules de pesage Expired - Lifetime EP1244184B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20221604U DE20221604U1 (de) 2001-03-23 2002-03-19 Verbindungssystem zum Anschluss von Wägezellen

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10114669 2001-03-23
DE10114669 2001-03-23
DE10150641A DE10150641B4 (de) 2001-03-23 2001-10-12 Verbindungssystem zum Anschluss von Wägezellen
DE10150641 2001-10-12

Publications (3)

Publication Number Publication Date
EP1244184A2 EP1244184A2 (fr) 2002-09-25
EP1244184A3 EP1244184A3 (fr) 2004-01-07
EP1244184B1 true EP1244184B1 (fr) 2006-03-08

Family

ID=26008894

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02006100A Expired - Lifetime EP1244184B1 (fr) 2001-03-23 2002-03-19 Système de connexion pour connecter des cellules de pesage

Country Status (4)

Country Link
US (1) US6860757B2 (fr)
EP (1) EP1244184B1 (fr)
JP (1) JP2002330514A (fr)
DE (1) DE50205981D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006051281A1 (de) * 2006-10-25 2008-04-30 Balluff Gmbh Verteilervorrichtung
DE102006051280A1 (de) * 2006-10-25 2008-04-30 Balluff Gmbh Verteilervorrichtung

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004015227A1 (de) * 2004-03-24 2005-10-27 Siemens Ag Elektrisches Feldgerät
DE102005025534C5 (de) * 2005-06-03 2012-08-16 Sartorius Weighing Technology Gmbh Wägeanlage
WO2007041979A1 (fr) * 2005-10-12 2007-04-19 Wipotec Wiege-Und Positioniersysteme Gmbh Cellule de pesage avec support de reception
AU2013341251B2 (en) 2012-11-06 2016-12-01 Server Technology, Inc. High outlet density power distribution unit
US11296467B2 (en) 2012-11-06 2022-04-05 Server Technology, Inc. High outlet density power distribution unit
DE102014101561A1 (de) * 2013-11-08 2015-05-13 Sartorius Lab Instruments Gmbh & Co. Kg Dosiervorrichtung mit integrierter Waage und Klimamodul
US9447961B1 (en) * 2014-01-02 2016-09-20 Khan Ali Yousafi Convertible magic lamp
US10260934B2 (en) 2016-02-10 2019-04-16 Riyaz Esmail Portable scale system
JP1684268S (fr) * 2020-01-10 2021-04-26
DE102020112420A1 (de) 2020-05-07 2021-11-11 Wipotec Gmbh Modulare messtechnische Vorrichtung, insbesondere für eine mehrspurige Waage

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DE3407463A1 (de) * 1984-02-29 1985-08-29 August Sauter Gmbh, 7470 Albstadt Messgeraet, insbesondere waage, mit selbsttaetiger betriebsartumschaltung (modeumschaltung)
US4659161A (en) * 1984-04-06 1987-04-21 Holcomb Kenneth L Adapter plug for personal computers
DE29706450U1 (de) * 1997-04-11 1998-08-13 ESCHA Bauelemente GmbH, 58553 Halver Busverteiler
DE19716137C1 (de) * 1997-04-17 1998-10-22 Siemens Ag Modul zum Anschluß von Aktoren und/oder Sensoren
DE29905025U1 (de) * 1999-03-19 1999-06-02 Weidmüller Interface GmbH & Co, 32760 Detmold Verteiler zum Verbinden von Aktoren und/oder Sensoren
US6527599B2 (en) * 1999-05-28 2003-03-04 Honeywell Inc. Housing with integrally molded connectors
DE50014273D1 (de) * 1999-05-28 2007-06-06 Weidmueller Interface Verteiler zum Verbinden von Aktoren und/oder Sensoren
DE20014849U1 (de) * 2000-08-28 2000-10-26 Franz Binder Gmbh & Co Elek Sc Elektrischer Steckverbinder mit einem einteiligen Steckereinsatz und mit einem einteiligen Doseneinsatz

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006051281A1 (de) * 2006-10-25 2008-04-30 Balluff Gmbh Verteilervorrichtung
DE102006051280A1 (de) * 2006-10-25 2008-04-30 Balluff Gmbh Verteilervorrichtung
DE102006051280B4 (de) * 2006-10-25 2010-06-17 Balluff Gmbh Verteilervorrichtung
DE102006051281B4 (de) * 2006-10-25 2010-06-17 Balluff Gmbh Verteilervorrichtung
DE102006051281C5 (de) * 2006-10-25 2013-04-25 Balluff Gmbh Verteilervorrichtung
DE102006051280C5 (de) * 2006-10-25 2014-07-17 Balluff Gmbh Verteilervorrichtung

Also Published As

Publication number Publication date
EP1244184A2 (fr) 2002-09-25
US20020146934A1 (en) 2002-10-10
JP2002330514A (ja) 2002-11-15
US6860757B2 (en) 2005-03-01
EP1244184A3 (fr) 2004-01-07
DE50205981D1 (de) 2006-05-04

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