EP0525137A1 - Schutzschaltgerät zur differenzstrom- und unterspannungsauslösung. - Google Patents
Schutzschaltgerät zur differenzstrom- und unterspannungsauslösung.Info
- Publication number
- EP0525137A1 EP0525137A1 EP92903078A EP92903078A EP0525137A1 EP 0525137 A1 EP0525137 A1 EP 0525137A1 EP 92903078 A EP92903078 A EP 92903078A EP 92903078 A EP92903078 A EP 92903078A EP 0525137 A1 EP0525137 A1 EP 0525137A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- switching device
- housing
- coupling member
- contact
- protection switching
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
- H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
-
- 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
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/58—Manual reset mechanisms which may be also used for manual release actuated by push-button, pull-knob, or slide
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/12—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by voltage falling below a predetermined value, e.g. for no-volt protection
Definitions
- the invention relates to a protective switching device for tripping residual current and / or undervoltage in built-in and mobile versions with a contact arrangement that can be mechanically switched on and electromagnetically triggered.
- Such protective switching devices are connected as ballasts via one or more sensor lines to additional electrodes within the consumer. This fact requires a special connection cable between the two parts and only triggers if a fault current flows through the sensor line (s). These devices usually do not have undervoltage and free tripping and the possibility of checking their functionality.
- a residual current protective switching device designed as a connector for an electrical consumer is known, which contains a switch contact arrangement which can be actuated all-pole manually by means of a push button via a switching mechanism and is electromagne ⁇ by means of electronic residual current and undervoltage monitoring table can be triggered.
- the device also has a test facility to check its functionality.
- this known ballast uses a relatively complicated switch-on and release mechanism and accordingly has to be produced and assembled in a complex manner.
- the structural design of the device requires the provision of a special housing.
- the object of the invention is to divide such a protective switching device into individual assemblies and in a confined space to form a functional built-in assembly unit put together.
- the switching mechanism of a protective switching device is based on a coupling member, which is adjustable on the operating side, between a fixed housing stop and a compression spring-loaded plunger armature of the electromagnetic release element, in effect on a contact carrier which is adjustable in the opposite direction and is loaded by a compression spring by a corresponding idle stroke or latching profile.
- the coupling member designed as a two-armed pivot lever is pivotable about a shaft in the port sets of the operating handle, which is supported on the housing against a helical compression spring.
- This coupling member is provided in the actuating direction with a resiliently molded stop bracket and has a recess corresponding to the contact carrier cross section in the opposite direction above the pivot bearing.
- the switch-on and release mechanism is combined with the contact carrier to form a component, the housing of which carries the electromagnetic submersible anchor system laterally below the above-active lever arm of the coupling member.
- the electronic device of the protective switching device it is arranged on a printed circuit board according to the features of claim 5 together with the fixed contact pieces of the switching path, an auxiliary contact arrangement for the power supply of the device and the test button contacts, which as a further component with the above Ein ⁇ switching and tripping mechanism contact scarf positively set rainbow ⁇ and m 'it the terminals of the excitation winding of the elek ⁇ tromagnetic solenoid plunger system can be soldered stabilizing.
- the compiled components are installed, for example, in the housing of a conventional connector and provided with a cover which is penetrated by the operating handles of the protective switching device, there is also the possibility of additionally soldering the printed circuit board arranged above the switching mechanism to the corresponding ones to hold upwards extended lugs of the connector pins within the connector housing.
- FIG. 1 shows a longitudinal section through the two-pole device in the off position.
- FIG. 2 shows a partial illustration from FIG. 1 with the operating handle fully pressed in;
- FIG. Fig. 3 shows the same representation (according to Fig. 2) in the on position;
- 4 shows a cross section through the device (according to FIG. 6) in the region of the switch contact arrangement;
- 5 shows a partial representation of the auxiliary contact arrangement for the power supply of the electronics;
- FIG. 6 shows a plan view of the opened device in a simplified representation.
- FIG. 1 can be seen from the schematic illustration in FIG. 1 of the drawing, the load acting through a compression spring loaded Service handle 1 manually operated switching mechanism of the two-pole protective switching device via the coupling member 4, which on the one hand rests elastically on a fixed stop 2 of the housing part 3, and on the other hand on the armature 6 of the electromagnetic triggering element which plunges into the excitation coil 5 against spring force.
- the coupling member 4, which can be adjusted with the operating handle 1, is pivotably mounted on two downward extensions of the same about a shaft 7. In its direction of actuation, the coupling member 4 is provided with a stop bracket 8 molded onto it as a spring element.
- the adjustable and pivotable coupling member 4 is provided "on the relief side" with a curve profile, in the conforming recess 11 of which the support part 9 is in the non-pivoted state of the coupling member 4 can intervene, whereas the pivoting of the same as a result of manual actuation up to the stop 2 and when the plunger anchor system is energized, as shown in FIGS. 2 and 3 of the drawing, a latching underneath the contact carrier part 9 and, in the case of manual relief of the operating handle 1, the adjustment of the latter and its contact pieces 10 against the fixed contact pieces 13 arranged on the underside of the printed circuit board 12.
- the printed circuit board 12 also carries the electronics required for differential current monitoring, such as the specially illustrated summation current transformer 14 etc., and also an auxiliary contact arrangement 15 (as shown in FIG. 5) which is closed by the coupling element 4 of the switching mechanism in the course of the activation operation ) for the power supply of the protective switching device, as well as a test contact arrangement 16 to be actuated from the outside, in order to be able to check its functionality.
- the switching mechanism inserted from above into the open connector housing 17 is positively inserted into the upper part of the connector housing 17 by means of its housing part 3 and thereby reaches with the magnet and the excitation coil 5 of the plunger armature system firmly attached to the housing part 3 between the extended connecting lugs of the outside penetrating connector pins 18 down to the bottom of the (contoured) plug-in part on the plug housing 17.
- the circuit board 12 connected to the connecting cable 1 of the protective switching device and the one connected to it join ⁇ carry the monitoring electronics in the correct shape into the upper part of the connector housing 17 and get with the fixed contact pieces 13 exactly over the movable contact pieces 10 of the switching path to both sides of the upwardly free operating handle 1, as well as with the auxiliary contact arrangement 15 (according to FIG. 5) with a switch cam 20 provided lever arm of the coupling member 4 in the direction of the plunger armature system.
- the latter can then be soldered to the terminals of the excitation coil 5 reaching through the contact bores and to the connecting lugs of the plug pins 18.
- the fully assembled protective switching device can be closed with a cover cap 21 which overlaps the opening edge of the plug housing 17 and which latches thereon and which is penetrated at the end by the operating handle 1 and a pushbutton 22 acting on the test contact arrangement 16 on the top of the printed circuit board 12.
- the protective switching device for the connected consumer is ready to be switched on after being plugged into a voltage-supplied socket.
- this adjusts the coupling member 4 pivotably mounted on it in the actuating direction and thus initially closes the auxiliary contact arrangement 15 for the current supply of the monitoring electronics of the device.
- the coupling member 4 rotates about its when the operating handle 1 is pressed in further Bearing shaft 7 against the plunger armature 6 in the interior of the excitation coil 5, so that it finally strikes the permanently installed magnetic core under the pressure of an armature spring.
- the procedure described above is simply reversed. Accordingly, under the pressure of its anchor spring, the plunger armature 6 swings the coupling member 4, which returns to the starting position with the self-resilient operating handle 1, immediately into its non-stop position and in this way prevents it from latching with the contact carrier part 9 when the end position is reached.
- the coupling element 4 then interrupts the auxiliary contact arrangement 15 and thus also switches off the monitoring electronics from the supply network.
- the excitation coil 5 is supplied with voltage via the auxiliary contact arrangement 15, so that its plunger armature 6 remains attracted.
- the springing of the coupling member 4 through its stop bracket 8 first takes effect and pivots the same into the latching position with the contact carrier part 9, so that the latter is supported by the more spring-loaded operating handle 1 against the force of the weaker contact opening spring is carried until its two contact pieces 10 meet the fixed contact pieces 13 on the underside of the printed circuit board 12, whereby the protective switching device for the consumer connected via the cable 19 is switched on and ready for operation.
- an electronic circuit arrangement carried by the printed circuit board 12 is activated by a partial current flowing to earth via the summation current transformer 14, whereby the power supply to the excitation coil 5 of the plunger armature system is interrupted and from this the latching between the coupling element 4 and the Contact carrier part 9 is opened.
- the contact opening spring presses the contact carrier part 9 back into the recess 11 of the curve profile on the side of the coupling member 4 and hereby opens the switch contact path 10/13, while the operating handle 1 moves in the opposite direction into the switch-off position.
- the version of the protective switching device presented here as an example can, if necessary, also be equipped with a 3-pole connection and round or flat pins of another plug-in connection system instead of the 2-pole connection arrangement.
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4105040 | 1991-02-19 | ||
DE4105040A DE4105040C1 (de) | 1991-02-19 | 1991-02-19 | |
PCT/DE1992/000053 WO1992015110A1 (de) | 1991-02-19 | 1992-01-25 | Schutzschaltgerät zur differenzstrom- und unterspannungsauslösung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0525137A1 true EP0525137A1 (de) | 1993-02-03 |
EP0525137B1 EP0525137B1 (de) | 1996-04-24 |
Family
ID=6425342
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92903078A Expired - Lifetime EP0525137B1 (de) | 1991-02-19 | 1992-01-25 | Schutzschaltgerät zur differenzstrom- und unterspannungsauslösung |
Country Status (5)
Country | Link |
---|---|
US (1) | US5347248A (de) |
EP (1) | EP0525137B1 (de) |
AU (1) | AU655962B2 (de) |
DE (1) | DE4105040C1 (de) |
WO (1) | WO1992015110A1 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2590760Y2 (ja) * | 1992-10-15 | 1999-02-17 | ホシデン株式会社 | 漏電遮断機構付き差込プラグ |
US6052047A (en) * | 1997-05-28 | 2000-04-18 | Eaton Corporation | Circuit interrupter with covered accessory case, adjustable under voltage relay, self-retaining collar and one-piece rail attachment |
US6982856B2 (en) * | 2001-03-21 | 2006-01-03 | Leviton Manufacturing Co., Inc. | GFCI with reset lockout |
US6246558B1 (en) * | 1998-08-24 | 2001-06-12 | Leviton Manufacturing Company | Circuit interrupting device with reverse wiring protection |
US6040967A (en) * | 1998-08-24 | 2000-03-21 | Leviton Manufacturing Co., Inc. | Reset lockout for circuit interrupting device |
US6437700B1 (en) | 2000-10-16 | 2002-08-20 | Leviton Manufacturing Co., Inc. | Ground fault circuit interrupter |
US6771152B2 (en) | 2001-03-21 | 2004-08-03 | Leviton Manufacturing Co., Inc. | Pivot point reset lockout mechanism for a ground for fault circuit interrupter |
US7400477B2 (en) | 1998-08-24 | 2008-07-15 | Leviton Manufacturing Co., Inc. | Method of distribution of a circuit interrupting device with reset lockout and reverse wiring protection |
US7049910B2 (en) * | 1998-08-24 | 2006-05-23 | Leviton Manufacturing Co., Inc. | Circuit interrupting device with reset lockout and reverse wiring protection and method of manufacture |
US6944001B2 (en) * | 1998-08-24 | 2005-09-13 | Leviton Manufacturing Co., Inc. | Circuit interrupting system with independent trip and reset lockout |
US7098761B2 (en) * | 1998-08-24 | 2006-08-29 | Leviton Manufacturing Co., Inc. | Reset lockout mechanism and independent trip mechanism for center latch circuit interrupting device |
US6288882B1 (en) | 1998-08-24 | 2001-09-11 | Leviton Manufacturing Co., Inc. | Circuit breaker with independent trip and reset lockout |
US6937451B2 (en) | 2001-03-21 | 2005-08-30 | Leviton Manufacturing Co., Inc. | ALCI with reset lockout and independent trip |
US6864769B2 (en) * | 2001-03-19 | 2005-03-08 | Leviton Manufacturing Co., Inc. | Lockout mechanism for residual current devices |
US7599176B1 (en) * | 2002-04-08 | 2009-10-06 | Network Appliance, Inc. | Apparatus for providing visual indication of engagement of a drive received within a drive cage |
US7455538B2 (en) | 2005-08-31 | 2008-11-25 | Leviton Manufacturing Co., Inc. | Electrical wiring devices with a protective shutter |
DE102006031389A1 (de) * | 2006-07-07 | 2008-01-10 | Danfoss Bauer Gmbh | Anschlußleitung |
US8444309B2 (en) | 2010-08-13 | 2013-05-21 | Leviton Manufacturing Company, Inc. | Wiring device with illumination |
US8526144B2 (en) | 2011-03-31 | 2013-09-03 | Leviton Manufacturing Company, Inc. | Reset lockout with grounded neutral test |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8401104U1 (de) * | 1984-04-12 | Heinrich, Hans | Tragvorrichtung für Sport- und/oder Freizeitartikel zur Befestigung an einem Geländefahrzeug | |
DE1137114B (de) * | 1961-04-20 | 1962-09-27 | Licentia Gmbh | Mechanismus fuer Selbstschalter |
US4010432A (en) * | 1975-10-22 | 1977-03-01 | General Electric Company | Electrical receptacle equipped with ground fault protection |
US4209762A (en) * | 1978-09-08 | 1980-06-24 | Westinghouse Electric Corp. | Ground fault receptacle reset button |
US4567456A (en) * | 1983-06-13 | 1986-01-28 | Technology Research Corporation | Resettable circuit closing device |
DE3341874C1 (de) * | 1983-09-08 | 1984-07-19 | Schulte-Elektrotechnik GmbH & Co KG, 5880 Lüdenscheid | Schalteranordnung mit Nullspannungsauslösung |
ES8601583A1 (es) * | 1983-12-05 | 1985-11-01 | Leviton Manufacturing Co | Perfeccionamientos en un dispositivo para evitar riesgos electricos |
GB2169749A (en) * | 1985-01-12 | 1986-07-16 | Ashley Accessories Ltd | Electrical outlet accessories with incorporated automatic circuit breaker |
DE3571173D1 (en) * | 1985-01-28 | 1989-07-27 | Kopp Gmbh & Co Kg Heinrich | Gfi circuit breaker in the form of a connecting plug |
US4774484A (en) * | 1985-04-09 | 1988-09-27 | Square D Company | Auxiliary electrical contact for electromagnetic contactor |
FR2582146A1 (fr) * | 1985-05-14 | 1986-11-21 | Osmond Max | Dispositif d'alimentation electrique a disjoncteur et prise electrique incorporant ce dispositif |
DE3937546A1 (de) * | 1989-11-10 | 1991-05-16 | Kopp Gmbh & Co Kg Heinrich | Mobiles schutzschaltgeraet mit differenzstrom- und unterspannungsausloesung |
US5148344A (en) * | 1990-08-06 | 1992-09-15 | Tower Manufacturing Corporation | Appliance leakage current interrupter |
-
1991
- 1991-02-19 DE DE4105040A patent/DE4105040C1/de not_active Expired - Lifetime
-
1992
- 1992-01-25 AU AU11759/92A patent/AU655962B2/en not_active Ceased
- 1992-01-25 WO PCT/DE1992/000053 patent/WO1992015110A1/de active IP Right Grant
- 1992-01-25 EP EP92903078A patent/EP0525137B1/de not_active Expired - Lifetime
- 1992-01-25 US US07/940,889 patent/US5347248A/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9215110A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE4105040C1 (de) | 1992-09-24 |
WO1992015110A1 (de) | 1992-09-03 |
AU655962B2 (en) | 1995-01-19 |
EP0525137B1 (de) | 1996-04-24 |
US5347248A (en) | 1994-09-13 |
AU1175992A (en) | 1992-09-15 |
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