EP3618090A3 - Pyrotechnic current disconnector - Google Patents

Pyrotechnic current disconnector Download PDF

Info

Publication number
EP3618090A3
EP3618090A3 EP19194927.0A EP19194927A EP3618090A3 EP 3618090 A3 EP3618090 A3 EP 3618090A3 EP 19194927 A EP19194927 A EP 19194927A EP 3618090 A3 EP3618090 A3 EP 3618090A3
Authority
EP
European Patent Office
Prior art keywords
conductor
screws
pyrotechnic current
holes
current disconnector
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
EP19194927.0A
Other languages
German (de)
French (fr)
Other versions
EP3618090A2 (en
EP3618090B1 (en
Inventor
Karoline Steinschütz
Ludwig Marker
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.)
Hirtenberger Automotive Safety GmbH
Original Assignee
Hirtenberger Automotive Safety 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 Hirtenberger Automotive Safety GmbH filed Critical Hirtenberger Automotive Safety GmbH
Publication of EP3618090A2 publication Critical patent/EP3618090A2/en
Publication of EP3618090A3 publication Critical patent/EP3618090A3/en
Application granted granted Critical
Publication of EP3618090B1 publication Critical patent/EP3618090B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/19—Pyrotechnical actuators
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings

Abstract

Ein pyrotechnischer Stromtrenner (1) zum Durchtrennen eines Leiters (2) mittels eines Trennkolbens (8) ist aus einem Unterteil (6) und einem Oberteil (5), in dem ein Zünder (7) angeordnet ist, zusammengesetzt. Der Leiter (2) ist zwischen Unterteil (6) und Oberteil (5) eingelegt und weist Löcher (4a, 4b) auf. Erfindungsgemäß erstrecken sich die Schrauben (13a, 13b), die Unterteil (6) und Oberteil (5) miteinander verbinden, durch die Löcher (4a, 4b), sodass keine zusätzlichen Elemente notwendig sind, um den Leiter (2) in Längsrichtung zu fixieren. Die Schrauben (13a, 13b) dienen gleichzeitig zur Versteifung des Gehäuses. Wenn sich z.B. eine Auffangkammer für den Trennkolben (8) bzw. die von ihm ausgestanzte Platine (12) vom Leiter (2) weg verjüngt, entsteht beim Abbremsen von Platine (12) und Trennkolben (8) ein Biegemoment, das von den Schrauben (13a, 13b) aufgenommen wird.A pyrotechnic current isolator (1) for severing a conductor (2) by means of a separating piston (8) is composed of a lower part (6) and an upper part (5) in which an igniter (7) is arranged. The conductor (2) is inserted between the lower part (6) and the upper part (5) and has holes (4a, 4b). According to the invention, the screws (13a, 13b), which connect the lower part (6) and the upper part (5) to each other, extend through the holes (4a, 4b), so that no additional elements are necessary to fix the conductor (2) in the longitudinal direction . The screws (13a, 13b) also serve to stiffen the housing. If e.g. A collecting chamber for the separating piston (8) or the circuit board (12) punched out by it tapers away from the conductor (2) ) is recorded.

EP19194927.0A 2018-09-02 2019-09-02 Pyrotechnic current disconnector Active EP3618090B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA50747/2018A AT521344B1 (en) 2018-09-02 2018-09-02 Pyrotechnic isolator

Publications (3)

Publication Number Publication Date
EP3618090A2 EP3618090A2 (en) 2020-03-04
EP3618090A3 true EP3618090A3 (en) 2020-03-11
EP3618090B1 EP3618090B1 (en) 2021-05-05

Family

ID=67840991

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19194927.0A Active EP3618090B1 (en) 2018-09-02 2019-09-02 Pyrotechnic current disconnector

Country Status (2)

Country Link
EP (1) EP3618090B1 (en)
AT (1) AT521344B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3113181A1 (en) * 2020-07-28 2022-02-04 Arianegroup Sas Device with sealed inner chamber

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016038044A1 (en) * 2014-09-09 2016-03-17 Herakles Pyrotechnic circuit breaker with improved cut of the blade.
WO2017066816A1 (en) * 2015-10-19 2017-04-27 Hirtenberger Automotive Safety Gmbh & Co Kg Pyrotechnic isolating apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004023415A1 (en) 2003-07-29 2005-03-31 Dynamit Nobel Ais Gmbh Automotive Ignition Systems Pyrotechnically driven separating device for separating solid, compact materials
DE502006008608D1 (en) * 2006-07-25 2011-02-10 Autoliv Dev Pyromechanical separator
DE102010035684A1 (en) 2010-08-27 2012-03-01 Auto-Kabel Managementgesellschaft Mbh Electric disconnecting device and method for electrically disconnecting connecting parts by means of a separating device
CN102005337B (en) * 2010-11-17 2013-03-20 武汉长海电气科技开发有限公司 Explosive circuit breaker

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016038044A1 (en) * 2014-09-09 2016-03-17 Herakles Pyrotechnic circuit breaker with improved cut of the blade.
WO2017066816A1 (en) * 2015-10-19 2017-04-27 Hirtenberger Automotive Safety Gmbh & Co Kg Pyrotechnic isolating apparatus

Also Published As

Publication number Publication date
AT521344B1 (en) 2020-01-15
AT521344A4 (en) 2020-01-15
EP3618090A2 (en) 2020-03-04
EP3618090B1 (en) 2021-05-05

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