WO2019110831A1 - Disjoncteur de protection - Google Patents

Disjoncteur de protection Download PDF

Info

Publication number
WO2019110831A1
WO2019110831A1 PCT/EP2018/084054 EP2018084054W WO2019110831A1 WO 2019110831 A1 WO2019110831 A1 WO 2019110831A1 EP 2018084054 W EP2018084054 W EP 2018084054W WO 2019110831 A1 WO2019110831 A1 WO 2019110831A1
Authority
WO
WIPO (PCT)
Prior art keywords
hall element
switching device
conductor
protective switching
protective
Prior art date
Application number
PCT/EP2018/084054
Other languages
German (de)
English (en)
Inventor
Stefan HASLINGER
Original Assignee
Eaton Industries (Austria) 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
Application filed by Eaton Industries (Austria) Gmbh filed Critical Eaton Industries (Austria) Gmbh
Priority to DE112018006222.8T priority Critical patent/DE112018006222A5/de
Publication of WO2019110831A1 publication Critical patent/WO2019110831A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04—Means for indicating condition of the switching device
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
    • G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
    • G01R31/3278—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches of relays, solenoids or reed switches
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
    • G01R15/202—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices using Hall-effect devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/08—Arrangements for measuring electric power or power factor by using galvanomagnetic-effect devices, e.g. Hall-effect devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F2007/062—Details of terminals or connectors for electromagnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1844—Monitoring or fail-safe circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/04—Means for indicating condition of the switching device
    • H01H2071/044—Monitoring, detection or measuring systems to establish the end of life of the switching device, can also contain other on-line monitoring systems, e.g. for detecting mechanical failures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2463—Electromagnetic mechanisms with plunger type armatures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current

Definitions

  • the invention relates to a protective switching device according to the preamble of
  • Circuit-breakers with electromagnetic short-circuit releases are known and widely used. Such circuit breakers work very well and protect people and equipment from the effects of a short circuit.
  • the object of the invention is therefore to provide a protective switching device of the type mentioned, with which the mentioned disadvantages can be avoided, with which people and equipment safely against the effects of electrical Short circuits can be hedged, and in which the actual
  • State of a circuit breaker can be determined due to the load.
  • Fig. 1 is a block diagram of a subject protection device
  • FIG. 2 shows a coil of a short-circuit release of a protective switching device according to FIG. 1 in simplified sectional view
  • FIG. 1 shows a protective switching device 1 with a first terminal 2 and a second terminal 3, wherein the first terminal 2 is connected by means of a first electrical conductor 4 with an electrical conductor loop 5 of the protective device 1, wherein the conductor loop 5 with a first electrical switching contact 6 of the protective switching device 1 is electrically connected, wherein the protective switching device 1 has at least one Hall element 7, which Hall element 7 is formed as part of the first conductor 4, and wherein the Hall element 7 in one area
  • a protective switching device 1 can be provided for which the actual level of wear or load over the service life is detected. This makes it possible to exchange protective switching devices 1, if this is actually required by their state. As a result, for example, an automatic lock can be implemented in the protective switching device 1, which turns off the relevant protection switching device 1, when its load a
  • the protective switching device 1 is a
  • the protective switching device 1 has, in a conventional manner, at least one first terminal 2 and a second terminal 3, which are formed approximately as plug-in terminals or screw terminals.
  • the protective switching device 1 has at least a first electrical switching contact 6 and a second electrical switching contact 18 associated therewith.
  • the two switching contacts 6, 18 are in contact and there is a conductive connection from the first terminal 2 to the second terminal 3 via the first and the second switching contact 6, 18.
  • the protective switching device 1 further preferably has a switching mechanism 21 which controls the movable switching contact. Furthermore, the protective switching device 1 preferably has a so-called. Hand lever 24 to manually switch on or off the protection device 1.
  • the protective switching device 1 has an electrical conductor loop 5 which is connected to the first terminal 2 by means of a line section designated as the first electrical conductor 4.
  • the conductor loop 5 is further with a so
  • second electrical conductor 19 connected to the first switching contact 6.
  • the second switching contact 18 is connected to a third electrical conductor 20 with the second terminal 3. It is preferably provided that the first conductor 4, the conductor loop 5 and the second conductor 19 are integrally formed.
  • the conductor loop 5 can be any type of conductor loop 5 which is arranged inside the protective switching device 1, wherein it is provided in particular that the conductor loop 5 is a closed one
  • Conductor loop 5 is. Particularly preferably, it is provided that the conductor loop 5 is a conductor loop 5, which is already in one
  • Protective switching device 1 is present, so that no further extensive changes to the electromechanical or electromagnetic design of an existing protective switching device 1 need to be made in order to integrate the subject invention.
  • the conductor loop 5 as electrical coil 8 is formed. It is provided in particular that the coil 8 is designed as a solenoid, therefore as a cylindrical wound coil 8.
  • the coil 8 preferably has a coil axis 9. It is particularly preferred that the coil 8 is part of a short-circuit release 10 of the
  • Protective device 1 is. Short circuit triggers 10 with a solenoid are well known and widely used and their operation is known to those skilled in the art.
  • the protective switching device 1 has at least one Hall element 7.
  • This Hall element 7 is formed as part of the first conductor 4. This means that the Hall element 7 directly from the current of the first conductor. 4
  • the Hall element 7 by a
  • the Hall element 7 is thus formed by pressing a part of the first conductor 4 or
  • FIG. 3 shows a section of the first conductor 4 with a flattened and laterally widened point, which serves as a Hall element 7. Furthermore, the flattened position is also in Fig. 2 in another view
  • the Hall element 7 is arranged in an area in which area
  • Conductor loop 5 is actually flowed through current, so it can already be identified from the geometry of the conductor loop 5, a corresponding area in which this bundling occurs.
  • the Hall element 7 in the Coil axis 9 or in the region of an imaginary extension of an inner envelope cylinder of the coil 8 is arranged.
  • the Hall element 7 is located in a region of high magnetic flux density or tightly bundled magnetic field lines.
  • FIG. 2 shows a corresponding coil 8 with a Hall element 5.
  • the Hall element 5 has lateral Hall voltage outputs 12, as shown approximately in FIG. 3. As shown in FIG. 1, it is preferably provided that the Hall voltage outputs 12 are connected to an evaluation and / or recording arrangement 13 of the protective switching device 1. These evaluation and / or
  • Recording arrangement 13 may be formed both comprehensively electrical, electronic or electro-mechanical assemblies.
  • Recording arrangement 13 has an RC element 14, and that the
  • the Hall voltage outputs 12 are connected to this RC element 14.
  • the RC element 14 is preferably constructed as a classical low-pass filter of the first order and, according to this preferred embodiment, has only one series resistor and one capacitor connected in parallel.
  • the evaluation and / or recording arrangement 13 has an electrical and / or mechanical memory unit 15 in which the successive measurement results of the Hall element 7 are stored and / or added up.
  • a mechanical memory can also be provided. Such a mechanical memory can be formed for example by a locking disk, which is moved by a plunger. Also, a concept similar to the known three-phase meters may be provided.
  • the evaluation and / or recording arrangement 13 is connected to a display unit 16 of the protective switching device 1. Thereby, the state of the protection device 1 can be easily displayed to a user. Since protective switching devices 1, however, are usually arranged in closed cabinets, it can further be provided that the protective switching device 1 a
  • Communication interface has to issue corresponding status messages.
  • an acoustic signaling system such as a horn, may preferably be provided.
  • Recording arrangement 13 is connected to a locking device 17, which locking device 17 is designed to turn off the protection switching device 1 irreversible.
  • the protective scarf device 1 switches off when it reaches a state in which it can no longer guarantee safety, and can not be switched on any longer.
  • the user is forced to its own safety to replace the protection device 1.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Breakers (AREA)

Abstract

Dans un disjoncteur de protection (1) comportant une première borne (2) et une deuxième borne (3), la première borne (2) étant reliée à une boucle de conducteur électrique (5) du disjoncteur de protection (1) au moyen d'un premier conducteur électrique (4), la boucle de conducteur (5) étant reliée électriquement à un premier contact de commutation électrique (6) du disjoncteur de protection (1), le disjoncteur de protection (1) comporte au moins un élément à effet Hall (7), lequel élément à effet Hall (7) est conçu comme une partie du premier conducteur (4) et l'élément à effet Hall (7) est disposé dans une région dans laquelle des lignes de champ magnétique sont groupées par la boucle de conducteur (5).
PCT/EP2018/084054 2017-12-08 2018-12-07 Disjoncteur de protection WO2019110831A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112018006222.8T DE112018006222A5 (de) 2017-12-08 2018-12-07 Schutzschaltgerät

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017129216.0A DE102017129216A1 (de) 2017-12-08 2017-12-08 Schutzschaltgerät
DE102017129216.0 2017-12-08

Publications (1)

Publication Number Publication Date
WO2019110831A1 true WO2019110831A1 (fr) 2019-06-13

Family

ID=64661401

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/084054 WO2019110831A1 (fr) 2017-12-08 2018-12-07 Disjoncteur de protection

Country Status (2)

Country Link
DE (2) DE102017129216A1 (fr)
WO (1) WO2019110831A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19721591A1 (de) * 1997-05-23 1998-11-26 Maier & Cie C Strombegrenzender Schalter
FR2812965A1 (fr) * 2000-08-10 2002-02-15 Schneider Electric Ind Sa Actionneur electromagnetique pour appareil interrupteur de protection
DE102007032894A1 (de) * 2007-07-14 2009-01-15 Ellenberger & Poensgen Gmbh Schutzschalter

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19511795A1 (de) * 1994-08-26 1996-10-02 Siemens Ag Elektromechanisches Schaltgerät
JPH11265649A (ja) * 1998-03-18 1999-09-28 Mitsubishi Electric Corp 電流検出器及び電流検出器を備えた電力開閉器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19721591A1 (de) * 1997-05-23 1998-11-26 Maier & Cie C Strombegrenzender Schalter
FR2812965A1 (fr) * 2000-08-10 2002-02-15 Schneider Electric Ind Sa Actionneur electromagnetique pour appareil interrupteur de protection
DE102007032894A1 (de) * 2007-07-14 2009-01-15 Ellenberger & Poensgen Gmbh Schutzschalter

Also Published As

Publication number Publication date
DE102017129216A1 (de) 2019-06-13
DE112018006222A5 (de) 2020-08-27

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