EP1597744A1 - Pyromechanical separating device with a specially shaped current conductor rail - Google Patents

Pyromechanical separating device with a specially shaped current conductor rail

Info

Publication number
EP1597744A1
EP1597744A1 EP04714302A EP04714302A EP1597744A1 EP 1597744 A1 EP1597744 A1 EP 1597744A1 EP 04714302 A EP04714302 A EP 04714302A EP 04714302 A EP04714302 A EP 04714302A EP 1597744 A1 EP1597744 A1 EP 1597744A1
Authority
EP
European Patent Office
Prior art keywords
conductor rail
separating device
point
separating
transition
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
Application number
EP04714302A
Other languages
German (de)
French (fr)
Other versions
EP1597744B1 (en
Inventor
Diedrich Von Behr
Uwe Brede
Gerhard Kordel
Jürgen NEUSER
Wolfgang Seitz
Paulus Bayer
Georg Seitz
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.)
Audi AG
Delphi Technologies Inc
Gessmann GmbH and Co KG
Original Assignee
Audi AG
Delphi Technologies Inc
Gessmann 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 Audi AG, Delphi Technologies Inc, Gessmann GmbH and Co KG filed Critical Audi AG
Publication of EP1597744A1 publication Critical patent/EP1597744A1/en
Application granted granted Critical
Publication of EP1597744B1 publication Critical patent/EP1597744B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H39/00—Switching devices actuated by an explosion produced within the device and initiated by an electric current
    • H01H39/006—Opening by severing a conductor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H39/00—Switching devices actuated by an explosion produced within the device and initiated by an electric current
    • H01H2039/008—Switching devices actuated by an explosion produced within the device and initiated by an electric current using the switch for a battery cutoff

Landscapes

  • Connection Of Batteries Or Terminals (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Emergency Lowering Means (AREA)
  • Fuses (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

The device has a housing (2) in which a current conducting rail (1) is arranged to be separated at a separating point (7) by a separating chisel (5) driven by a charge. The rail has cable connectors at both end pieces, which are at right angles to the plane of the separating point, which is formed by a narrowing of the conductor cross-section.

Description

Pyromechanische Trennvorrichtung mit speziell geformter Stromleiterschiene Pyromechanical disconnect device with specially shaped conductor rail
Die Erfindung betrifft eine pyromechanische Trennvorrichtung mit einem Gehäuse in dem eine elektrisch leitende Stromleiterschiene angeordnet ist, die von einem durch eine pyrotechnische Treibladung angetriebenen Trennmeißel an einer Trennstelle durchtrennbar ausgebildet ist und die Stromleiterschiene an ihren Endstücken jeweils eine Befestigungsmöglichkeit zum Anschluss von elektrischen Leitern aufweist.The invention relates to a pyromechanical separating device with a housing in which an electrically conductive conductor rail is arranged, which is designed to be severable at a separating point by a cutting tool driven by a pyrotechnic propellant charge and the conductor rail each has a fastening option at its end pieces for connecting electrical conductors.
Eine derartige pyromechanische Trennvorrichtung ist in der DE 197 12 387 A1 beschrieben und zeigt eine elektrisch leitende Stromleiterschiene, die geradlinig in einem Gehäuse angeordnet ist.Such a pyromechanical separating device is described in DE 197 12 387 A1 and shows an electrically conductive conductor rail, which is arranged in a straight line in a housing.
Nachteilig an dieser Art Leiterführung ist, dass auf Grund der geradlinigen Leiterführung durch die notwendige Schraubverbindung z. B. an eine Autobatterie, es durch die beim Fahrzeugbetrieb auftretenden Vibrationen, Stöße, Temperaturwechsel etc. zu ungewollten Verformungen und Verspannungen der Stromleiterschiene kommt, was im Extremfall zum Bruch der Stromleiterschiene führt, wodurch die Stromversor- gung im Fahrzeug ungewollt unterbrochen wäre.A disadvantage of this type of conductor routing is that due to the straight conductor routing through the necessary screw connection z. B. to a car battery, the vibrations, shocks, temperature changes etc. that occur during vehicle operation lead to unwanted deformations and tensioning of the conductor rail, which in extreme cases leads to the conductor rail breaking, as a result of which the power supply in the vehicle would be unintentionally interrupted.
Der Erfindung liegt die Aufgabe zu Grunde, eine pyromechanische Trennvorrichtung nach dem Oberbegriff des Anspruchs 1 so weiterzubilden, dass auch starke Belastungen die Stromleiterschiene nicht zum Bruch führen und dabei die Trennstelle einen definierten Leiterquerschnitt aufweist.The invention is based on the object of developing a pyromechanical separating device according to the preamble of claim 1 in such a way that even heavy loads do not lead to the conductor rail rupturing and the separating point has a defined conductor cross section.
Erfindungsgemäß wird diese Aufgabe dadurch gelöst, dass die beiden Endstücke der Stromleiterschiene zur Ebene der Trennstelle rechtwinklig angeordnet sind und die Trennstelle durch eine Verjüngung des Leiterquerschnitts gebildet ist.According to the invention, this object is achieved in that the two end pieces of the conductor rail are arranged at right angles to the level of the separation point and the separation point is formed by a tapering of the conductor cross section.
In vorteilhafter Ausgestaltung der Erfindung durchzieht die Verjüngung des Leiterquerschnitts die gesamte Breite der Stromleiterschiene.In an advantageous embodiment of the invention, the tapering of the conductor cross section runs through the entire width of the conductor rail.
Die rechtwinklig zur Ebene der Trennstelle ausgebildete Anordnung der Endstücke wird bevorzugt durch jeweils zweimaliges rechtwinkliges Umbiegen der Stromleiter- schiene erreicht. Dieses Umbiegen erfolgt dabei an zwei unterschiedlichen Stellen der Stromleiterschiene.The arrangement of the end pieces at right angles to the level of the separation point is preferably achieved by bending the current conductor twice at right angles. rail reached. This bending takes place at two different points on the conductor rail.
Bevorzugt bildet die Trennstelle ein Viereck auf der Stromleiterschiene mit zwei quer zur Längsrichtung der Stromleiterschiene angeordneten Übergängen zur Reststrom- leiterschiene, wobei die Übergänge in einer Ausführungsform schräg auslaufend in die Reststromleiterschiene münden.The separation point preferably forms a quadrilateral on the current conductor rail with two transitions to the residual current conductor rail arranged transversely to the longitudinal direction of the current conductor rail, the transitions in one embodiment ending at an angle in the residual current conductor rail.
Alternativ weist ein Übergang eine einseitige Kerbung in der Verjüngung auf und ist der andere Übergang als Biegestelle ausgebildet. Hierdurch kann der Trennmeißel die Trennstelle an der Kerbung durchtrennen und anschließend die Verjüngung an der Biegestelle umbiegen.Alternatively, one transition has a one-sided notch in the taper and the other transition is designed as a bending point. As a result, the cutting chisel can cut through the cutting point at the notch and then bend the taper at the bending point.
Erleichtert wird dies, wenn bevorzugt die Biegestelle eine Einkerbung an der dem Trennmeißel abgewandten Seite des Übergangs aufweist.This is facilitated if the bending point preferably has a notch on the side of the transition facing away from the cutting bit.
Bevorzugt wird diese pyromechanische Trennvorrichtung zur elektrischen Abkoppe- lung einer Autobatterie bei einem Unfall verwendet.This pyromechanical disconnecting device is preferably used for the electrical uncoupling of a car battery in the event of an accident.
Nachfolgend wird die Erfindung an Hand von einzelnen Figuren näher beschrieben.The invention is described in more detail below with reference to individual figures.
In Fig. 1 ist eine Stromleiterschiene 1 dargestellt, die sich in einem Gehäuse 2 befindet, welches aus einem Gehäuseunterteil 3 und einem Gehäuseoberteil 4 besteht. Weiter ist in Fig 1 ein Trennmeissel 5 angedeutet, der durch geeignete Maßnahmen beschleunigt wird und die Stromleiterschiene 1 auf Grund seiner kinetischen Energie trennt.In Fig. 1, a conductor rail 1 is shown, which is located in a housing 2, which consists of a lower housing part 3 and an upper housing part 4. Furthermore, a cutting tool 5 is indicated in FIG. 1, which is accelerated by suitable measures and separates the conductor rail 1 on the basis of its kinetic energy.
Figur 2 zeigt die Stromleiterschiene 1 als Ganzes. Die Trennstelle 7 bildet ein Viereck auf der Stromleiterschiene 1 mit zwei quer zur Längsrichtung der Stromleiterschiene 1 angeordneten Übergängen 11 zur Reststromleiterschiene 9. An den Endstücken 11 ist jeweils eine Befestigungsmöglichkeit 6, hier Befestigungslöcher ange- ordnet. Diese beiden Endstücke 14 sind zur Ebene der Trennstelle 7 rechtwinklig angeordnet. Diese rechtwinklige Anordnung zur Ebene der Trennstelle 7 wird durch jeweils zweimaliges rechtwinkliges Umbiegen der Stromleiterschiene 1 an zwei ver- schiedenen Stellen 16, 17 erreicht. Hierdurch werden die Kräfte auf die Trennstelle 7 in vorteilhafter Weise reduziert und dadurch die mechanische Bauteilbelastung erheblich verringert.Figure 2 shows the conductor rail 1 as a whole. The separation point 7 forms a square on the current conductor rail 1 with two transitions 11 to the residual current conductor rail 9 arranged transversely to the longitudinal direction of the current conductor rail 1. A fastening option 6, here fastening holes, is arranged on the end pieces 11. These two end pieces 14 are arranged at right angles to the level of the separation point 7. This right-angled arrangement to the level of the separation point 7 is achieved by bending the conductor rail 1 at two right angles to two different reached various points 16, 17. As a result, the forces on the separation point 7 are advantageously reduced and the mechanical component load is thereby considerably reduced.
Figur 3 zeigt einen Schnitt durch eine Stromleiterschiene 1 im Bereich der Trenn- stelle 7. An der Trennstelle 7 ist der Leiterquerschnitt 8 gegenüber der Reststromleiterschiene 9 verjüngt. Mit dem Bezugszeichen 10 ist die Länge der Verjüngung bezeichnet. Am Rand der Trennstelle 7 geht diese jeweils über einen Übergang 11 in die Reststromleiterschiene 9 über. In der Ausführungsform der Figur 3 gehen diese Übergänge schräg auslaufend in die Reststromleiterschiene 7 über.FIG. 3 shows a section through a current conductor rail 1 in the region of the separation point 7. At the separation point 7, the conductor cross section 8 is tapered relative to the residual current conductor rail 9. Reference number 10 denotes the length of the taper. At the edge of the separation point 7, this merges into the residual current conductor rail 9 via a transition 11. In the embodiment of FIG. 3, these transitions merge into the residual current conductor rail 7.
Fig. 4 zeigt eine zusätzliche Kerbung 12, die den Trennvorgang erheblich erleichtert.Fig. 4 shows an additional notch 12, which considerably facilitates the separation process.
Fig. 5 zeigt die Kerbung 12 und zusätzlich an dem entgegengesetzten Übergang einen gebogenen Übergang 11 , wodurch eine Biegestelle 15 geschaffen ist.5 shows the notch 12 and, in addition, a curved transition 11 at the opposite transition, as a result of which a bending point 15 is created.
In Fig. 6 ist an der Biegestelle 15 eine Einkerbung 13 an der dem Trennmeißel 5 abgewandten Seite des Übergangs 11 angeordnet. Diese Einkerbung 13 erleichtert den Biegevorgang erheblich.6, a notch 13 is arranged at the bending point 15 on the side of the transition 11 facing away from the cutting bit 5. This notch 13 considerably facilitates the bending process.
Bevorzugt wird diese Trennvorrichtung zur elektrischen Abkoppelung einer Autobatterie bei einem Unfall verwendet. This separating device is preferably used for the electrical disconnection of a car battery in the event of an accident.

Claims

Patentansprüche claims
1. Pyromechanische Trennvorrichtung mit einem Gehäuse (2), in dem eine elektrisch leitende Stromleiterschiene (1) angeordnet ist, die von einem durch eine py- rotechnische Treibladung angetriebenen Trennmeißel (5) an einer Trennstelle (7) durchtrennbar ausgebildet ist und die Stromleiterschiene (1 ) an ihren Endstücken1. Pyromechanical separating device with a housing (2) in which an electrically conductive conductor rail (1) is arranged, which is designed to be severable by a cutting tool (5) driven by a pyrotechnic propellant charge at a separating point (7) and the conductor rail ( 1) at their end pieces
(14) jeweils eine Befestigungsmöglichkeit (6) zum Anschluss von elektrischen Leitern aufweist, dadurch gekennzeichnet, dass die beiden Endstücke (14) der Stromleiterschiene (1) zur Ebene der Trennstelle (7) rechtwinklig angeordnet sind und die Trennstelle (7) durch eine Verjüngung des Leiterquerschnitts gebildet ist.(14) each have a fastening option (6) for connecting electrical conductors, characterized in that the two end pieces (14) of the current conductor rail (1) are arranged at right angles to the level of the separation point (7) and the separation point (7) by a taper of the conductor cross section is formed.
2. Trennvorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass die Verjüngung des Leiterquerschnitts die gesamte Breite der Stromleiterschiene (1 ) durchzieht.2. Separating device according to claim 1, characterized in that the tapering of the conductor cross section extends through the entire width of the conductor rail (1).
3. Trennvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die rechtwinklig zur Trennstelle (7) ausgebildete Anordnung der Endstücke (14) durch jeweils zweimaliges rechtwinkliges Umbiegen der Stromleiterschiene (1) erreicht ist.3. Separating device according to claim 1 or 2, characterized in that the arrangement of the end pieces (14) formed at right angles to the separating point (7) is achieved by bending the conductor rail (1) twice at right angles.
4. Trennvorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Trennstelle (7) ein Viereck auf der Stromleiterschiene (1 ) bildet mit zwei quer zur Längsrichtung der Stromleiterschiene (1) angeordneten Übergängen (11 ) zur Reststromleiterschiene (9).4. Separating device according to one of claims 1 to 3, characterized in that the separation point (7) forms a square on the conductor rail (1) with two transversely to the longitudinal direction of the conductor rail (1) arranged transitions (11) to the residual conductor rail (9).
5. Trennvorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die Übergänge (11) schräg auslaufend in die Reststromleiterschiene (9) münden.5. Separating device according to claim 4, characterized in that the transitions (11) open obliquely into the residual current conductor rail (9).
6. Trennvorrichtung nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass ein Übergang (11) eine einseitige Kerbung (12) in der Verjüngung aufweist und der andere Übergang als Biegestelle (15) ausgebildet ist. 6. Separating device according to claim 4 or 5, characterized in that a transition (11) has a one-sided notch (12) in the taper and the other transition is designed as a bending point (15).
7. Trennvorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die Biegestelle (15) eine Einkerbung (13) an der dem Trennmeißel (5) abgewandten Seite des Übergangs (11) aufweist.7. Cutting device according to claim 6, characterized in that the bending point (15) has a notch (13) on the side of the transition (11) facing away from the cutting tool (5).
8. Verwendung der pyromechanischen Trennvorrichtung nach einem der Ansprüche 1 bis 7 zur elektrischen Abkoppelung einer Autobatterie bei einem Unfall. 8. Use of the pyromechanical separating device according to one of claims 1 to 7 for the electrical decoupling of a car battery in an accident.
EP04714302A 2003-02-26 2004-02-25 Pyromechanical separating device with a specially shaped current conductor rail Expired - Lifetime EP1597744B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10308185 2003-02-26
DE10308185 2003-02-26
PCT/EP2004/001835 WO2004077478A1 (en) 2003-02-26 2004-02-25 Pyromechanical separating device with a specially shaped current conductor rail

Publications (2)

Publication Number Publication Date
EP1597744A1 true EP1597744A1 (en) 2005-11-23
EP1597744B1 EP1597744B1 (en) 2007-05-02

Family

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EP04714302A Expired - Lifetime EP1597744B1 (en) 2003-02-26 2004-02-25 Pyromechanical separating device with a specially shaped current conductor rail

Country Status (6)

Country Link
US (1) US7511600B2 (en)
EP (1) EP1597744B1 (en)
AT (1) ATE361542T1 (en)
DE (2) DE102004008120A1 (en)
ES (1) ES2282849T3 (en)
WO (1) WO2004077478A1 (en)

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Also Published As

Publication number Publication date
US7511600B2 (en) 2009-03-31
DE102004008120A1 (en) 2004-11-25
WO2004077478A1 (en) 2004-09-10
DE502004003684D1 (en) 2007-06-14
EP1597744B1 (en) 2007-05-02
ATE361542T1 (en) 2007-05-15
ES2282849T3 (en) 2007-10-16
US20060145808A1 (en) 2006-07-06

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