EP3658242A1 - Lance à incendie d'origine électrique pour lutter contre les feux d'objets chargés électriquement - Google Patents

Lance à incendie d'origine électrique pour lutter contre les feux d'objets chargés électriquement

Info

Publication number
EP3658242A1
EP3658242A1 EP18755139.5A EP18755139A EP3658242A1 EP 3658242 A1 EP3658242 A1 EP 3658242A1 EP 18755139 A EP18755139 A EP 18755139A EP 3658242 A1 EP3658242 A1 EP 3658242A1
Authority
EP
European Patent Office
Prior art keywords
extinguishing
section
tubular
lance according
lance
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
EP18755139.5A
Other languages
German (de)
English (en)
Other versions
EP3658242C0 (fr
EP3658242B1 (fr
Inventor
Albrecht RESCHKE
Thomas Wille
Matthias Petermann
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.)
Murer-Feuerschutz GmbH
Volkswagen AG
Original Assignee
Murer Feuerschutz 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 Murer Feuerschutz GmbH filed Critical Murer Feuerschutz GmbH
Publication of EP3658242A1 publication Critical patent/EP3658242A1/fr
Application granted granted Critical
Publication of EP3658242C0 publication Critical patent/EP3658242C0/fr
Publication of EP3658242B1 publication Critical patent/EP3658242B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A62C31/02—Nozzles specially adapted for fire-extinguishing
    • A62C31/22—Nozzles specially adapted for fire-extinguishing specially adapted for piercing walls, heaped materials, or the like

Definitions

  • the invention relates to an extinguishing lance for extinguishing burning objects, wherein the extinguishing lance a holding portion with handle part for a
  • Electric vehicles for example, in hybrid or fully electric vehicles, seen (see, for example, "E-Mobil-Brand in the US"; httBs: i / www.
  • Object of the present invention is in contrast to provide an extinguishing lance uncomplicated and inexpensive as possible with the simplest technical means, with both minimum requirements for protection against thermal hazards as well as for protection
  • the grip part of the holding section is also designed to be electrically insulating for electrical voltages U> 500V;
  • the extinguishing lance according to the invention is the first of its kind, especially for the deletion of installed in electric vehicles
  • Lithium-ion batteries is suitable. This will be the fire departments now also for such applications, the first effective
  • Holding section serves to produce a planar body contact with an operator.
  • Impact plate is ensured in particular as straight as possible Ein heart heat to prevent bending of the lance.
  • a spacer section to be provided next to the striking plate for the tubular extinguishing section.
  • the flow-restricted nozzle (s) at the tip of the lance also ensure that a sufficient extinguishing success can be achieved quickly and efficiently, and in particular with a relatively low use of extinguishing water.
  • a particularly advantageous class of embodiments of the E-eradicating lance according to the invention is characterized in that the grip part of the holding portion has a voltage-insulating coating.
  • the voltage-insulating coating of the handle part already at least the
  • the voltage-insulating coating of the handle part of heat-insulating, flame-resistant material - is constructed using about aramid and / or para-aramid and also meets the minimum requirements of European Standard 407 for protective gloves against thermal risks. It is particularly advantageous if the voltage-insulating covering of the grip part has a layer thickness d> 2 mm, which makes it technically possible to use it up to 1000 V and even above.
  • the voltage-insulating coating of the handle part is made of polyvinyl chloride. This ensures a longer life of the coating. Aging phenomena are minimized.
  • austenitic, acid-resistant 18/10 Cr-Ni steel is constructed. This is more resistant and particularly resistant to the battery acid.
  • the grip part of the holding section has at least one bow-type grip with hand protection. This allows safe operation and good localization of the battery.
  • the bow handle serves when hitting the extinguishing object as protection against unwanted deformation of the lance.
  • the embodiments of this class can be further improved by developments in which the handle portion of the holding portion has two bow handles for a two-handed operation of the E-lance. This ensures safe operation and localization in the deletion object to be invaded. Further advantageous embodiments are characterized in that at the extinguishing agent supply an actuating valve for admitting or stopping a Löschschzuhneles in the tubular extinguishing section and the holding portion, preferably on the handle portion, a trigger device for manual control of
  • the tubular extinguishing section is made of metal, preferably of stainless steel, in particular of austenitic, acid-resistant 18/10 Cr-Ni steel. This contributes to an increased mechanical and chemical resistance and thus to a longer durability of the tip. Also preferred are embodiments of the invention E-lance lance, wherein the free end of the tubular
  • Extinguishing section is tapered design. This allows a particularly straight and light impact into the object.
  • the tapered free end of the tubular extinguishing section may in further embodiments of the invention be made of preferably hardened, austenitic, acid-resistant 18/10 Cr-Ni steel. This choice of material and processing variant
  • Bayonet is provided (are), preferably two
  • Breakpoints for wrenches are available for easy disassembly. As a result, the lance is quickly ready to use again when worn, and in the case of use, the tip can also quickly
  • At least one nozzle for the outlet of pressurized liquid extinguishing agent is integrated into the pointed free end of the tubular extinguishing section, wherein the nozzle is preferably shaped so that they Extinguishing medium optimally injected into the burning object and / or on the
  • Embodiments in which the nozzle has a clear diameter between 30mm and 40mm, preferably about 33.7mm, a length between 25mm and 50mm, preferably about 30mm, and a Width between 15mm and 25mm, preferably 21.3mm. These special dimensions also have production-related advantages.
  • the extinguishing lance in particular the striking plate, is divisible.
  • the extinguishing lance according to the invention can be used very flexible, for example, the fire of a vehicle in their own garage or in the parking garage.
  • the press there have been cases of auto-ignition of lithium-ion batteries by the press, which have led to fires in buildings and considerable damage.
  • Operator side end is arranged at a variable distance from the tubular extinguishing section, which is preferably made extendable. Also with this is a higher flexibility in the application reached. With this embodiment, the extinguishing lance is suitable
  • the invention is basically rather schematic
  • Fig. La is a schematic side view of a first embodiment of the invention E-lance lance
  • Fig. 1b shows the embodiment of Fig. La in a partial
  • Fig. 3a is a side view of a punch for applying to the
  • FIG. 3b the embodiment of Figure 3a rotated by 90 ° about the longitudinal axis.
  • Fig. 4a is a schematic side view of an embodiment of the exchangeable tip
  • FIG. 4b the embodiment of Figure 4a rotated by 90 ° about the longitudinal axis.
  • FIG. 4c shows the embodiment of the tip of FIG. 4a in vertical section
  • Embodiment of the inventive electrically insulating E-lance 10 for extinguishing burning objects under electrical voltage As already known from the prior art
  • Löschlanzen also has the inventive E-Löschlanze 10 a holding section with handle portion 11 for an operator, a deletion medium supply with a coupling device 12 for connection of a pressure hose for liquid extinguishing agent, and a to the
  • the E-extinguishing lance 10 is distinguished by the fact that the gripping part 11 of the holding section is designed to be electrically insulating for electrical voltages U>500V; that the tubular extinguishing portion 13 is made of a material having a tensile strength R m so high as to withstand a stress ⁇ > 500 N / mm 2 , and having a melting temperature ts> 650 ° C; that the tubular
  • Extinguishing section 13 is designed tapering at its free end geometrically; and that a holding section at the operator end of a large-scale impact plate 14 in extension to the tubular
  • voltage-insulating coating preferably of polyvinyl chloride, having a layer thickness d> 2 mm, which can also be designed for electrical voltages U> 200V, in particular U> 500V, preferably U> 1000V.
  • the holding portion under the tension-insulating coating of the handle portion 11 is usually constructed of metal, preferably of VA steel, in particular of austenitic, acid-resistant 18/10 Cr-Ni steel.
  • the tubular extinguishing section 13 is likewise made of metal, preferably of stainless steel, in particular of austenitic, acid-resistant 18/10 Cr-Ni steel, as well as the tapered free end of the tubular extinguishing section 13, which is preferably additionally hardened.
  • the grip part 11 of the holding section has two bow-type grips 11 II "for two-handed operation of the E-extinguishing lance 10.
  • the tapered free end of the tubular extinguishing portion 13 is preferably designed as a tapered, preferably replaceable tip 15, wherein for different purposes different exchangeable tips 15, preferably with different geometries, diameters and in particular made of different materials, can be kept.
  • These replaceable tips 15 may be provided with a screw thread not shown in the drawing or a bayonet lock, preferably with two breakpoints for wrenches for easy assembly and disassembly.
  • tubular extinguishing section 13 In the tapered free end of the tubular extinguishing section 13 are usually at least one, preferably three evenly distributed around the longitudinal axis of the tubular extinguishing section 13 arranged nozzles for the exit of pressurized
  • the nozzles are preferably shaped so that they optima extinguishing! injected into the burning object and / or distribute on its surface. These nozzles are also not specifically shown in the drawing.
  • the E-Löschlanze 10 can at the Löschmittei- supply a not shown- actuating valve for admitting or stopping a Löstitteizuhnes in the tubular extinguishing section 13 and the holding portion, preferably on the handle portion 11, a trigger device for manual control of this actuating valve.
  • Figures 2a and 2b show in enlarged detail the area around the holding portion with handle portion 11, extinguishing agent supply to the coupling device 12 for connecting a Druckschiauchs for liquid extinguishing agent, as well as to the holding portion and the
  • Figures 3a and 3b show in enlarged detail a striking mandrel 16, which may be user-side mounted on the striking plate 14.
  • the attachment can for example by screwing or
  • FIGS. 4a to 4d show, in enlarged detail, an exchangeable tip 15 with nozzles 17 which are arranged distributed about the longitudinal axis.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Electrostatic Spraying Apparatus (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Nozzles (AREA)
  • Fire-Extinguishing Compositions (AREA)

Abstract

La présente invention concerne une lance à incendie d'origine électrique (10) destinée à éteindre des objets en feu et qui présente un segment de maintien muni d'une poignée (11) destinée à un opérateur, une conduite d'alimentation en agent extincteur munie d'un dispositif d'accouplement (12) pour se raccorder à un tuyau sous pression pour agent extincteur liquide, ainsi qu'un segment extincteur tubulaire (13) se raccordant au segment de maintien et, le cas échéant, au dispositif d'accouplement, à l'extrémité libre duquel il est possible d'appliquer un agent extincteur sous pression dans un objet en feu. La poignée est électriquement isolée pour des tensions électriques U > 100 V et le segment extincteur est effilé avec une coupe transversale d'écoulement rétrécie destinée à l'agent extincteur envoyé à travers. La lance est caractérisée en ce que la poignée est également électriquement isolée pour des tensions électriques U ≥ 500 V et en ce que le segment extincteur est fabriqué à partir d'un matériau qui présente une résistance à la rupture Rm si élevée qu'il supporte une tension mécanique σ ≥ 500 N/mm2 et qui présente une température de fusion ts ≥ 650 °C, et en ce qu'un segment de maintien à l'extrémité côté opérateur présente une large plaque de frappe (14) dans le prolongement du segment extincteur. Ladite lance à incendie d'origine électrique répond de manière sûre aux exigences minimales aussi bien en matière de protection contre les risques thermiques qu'en matière de protection contre les surcharges mécaniques, et aussi en matière de risques électriques.
EP18755139.5A 2017-07-24 2018-07-20 Lance à incendie d'origine électrique pour lutter contre les feux d'objets chargés électriquement Active EP3658242B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202017104411.4U DE202017104411U1 (de) 2017-07-24 2017-07-24 E-Löschlanze zur Brandbekämpfung bei elektrisch geladenen Objekten
PCT/EP2018/069728 WO2019020507A1 (fr) 2017-07-24 2018-07-20 Lance à incendie d'origine électrique pour lutter contre les feux d'objets chargés électriquement

Publications (3)

Publication Number Publication Date
EP3658242A1 true EP3658242A1 (fr) 2020-06-03
EP3658242C0 EP3658242C0 (fr) 2023-08-30
EP3658242B1 EP3658242B1 (fr) 2023-08-30

Family

ID=59701001

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18755139.5A Active EP3658242B1 (fr) 2017-07-24 2018-07-20 Lance à incendie d'origine électrique pour lutter contre les feux d'objets chargés électriquement

Country Status (7)

Country Link
EP (1) EP3658242B1 (fr)
CN (1) CN110958903B (fr)
DE (1) DE202017104411U1 (fr)
ES (1) ES2958591T3 (fr)
HU (1) HUE063730T2 (fr)
PL (1) PL3658242T3 (fr)
WO (1) WO2019020507A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202020102574U1 (de) 2020-05-07 2020-05-28 Murer-Feuerschutz Gmbh Verbesserte E-Löschlanze
DE202021102269U1 (de) 2021-04-28 2021-05-14 Murer-Feuerschutz Gmbh E-Löschlanze mit Positionshalter zur Brandbekämpfung bei elektrisch geladenen Objekten

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2224010A (en) * 1938-08-31 1940-12-03 Donn R Barber Spearhead nozzle
US4802535A (en) 1987-01-27 1989-02-07 Bakke Arlan N Fire-fighting tool
US4984637A (en) * 1989-06-23 1991-01-15 Finnigan Wilfred J Electronic fire protection system
US5062486A (en) * 1989-12-07 1991-11-05 Mcclenahan Charles H Firefighter's barrier penetrator and agent injector
FR2733701B1 (fr) 1995-05-04 1997-06-13 Inst Francais Du Petrole Procede de pretraitement selectivant de tamis moleculaire et procede d'isomerisation squelettale des olefines lineaires avec le tamis pretraite
US6668939B2 (en) * 2001-06-04 2003-12-30 Larry L. Schmidt Piercing nozzle
US20030159837A1 (en) 2002-02-25 2003-08-28 Itschner Theodore Thomas Multipurpose water hammer with a penetrating nozzle
CN2661239Y (zh) * 2003-12-26 2004-12-08 公安部上海消防研究所 穿透式破拆水枪
SE0502015L (sv) * 2005-09-13 2006-06-07 Cold Cut Systems Svenska Ab Utrustning i räddningstjänstverksamhet för skärande håltagning i tak etc.
CN201912676U (zh) * 2010-10-18 2011-08-03 中节能(宿迁)生物质能发电有限公司 内燃灭火枪
CN102294093B (zh) * 2011-07-11 2012-10-17 四川威特龙消防设备有限公司 一种多功能水雾灭火枪
CN202777555U (zh) * 2012-10-09 2013-03-13 李强 一种秸秆堆垛火灾专用水枪
US20150075820A1 (en) * 2013-06-12 2015-03-19 Frontline Equipment Technologies, LLC Portable firefighting agent delivery system
CN205073573U (zh) * 2015-10-22 2016-03-09 安徽理工大学 突进房屋式灭火装置
CN205494743U (zh) * 2015-11-09 2016-08-24 中国人民解放军军械工程学院 便携式细水雾单兵灭火系统
CN106861103A (zh) * 2015-12-10 2017-06-20 柳州市京阳节能科技研发有限公司 高效节能环保水质驱钻

Also Published As

Publication number Publication date
CN110958903B (zh) 2021-08-24
CN110958903A (zh) 2020-04-03
ES2958591T3 (es) 2024-02-12
DE202017104411U1 (de) 2017-08-08
PL3658242T3 (pl) 2024-04-08
HUE063730T2 (hu) 2024-01-28
WO2019020507A1 (fr) 2019-01-31
EP3658242C0 (fr) 2023-08-30
EP3658242B1 (fr) 2023-08-30

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