EP0014401B1 - Allumeur électrique pour cordeaux détonants, compositions de retardement et détonateurs - Google Patents

Allumeur électrique pour cordeaux détonants, compositions de retardement et détonateurs Download PDF

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Publication number
EP0014401B1
EP0014401B1 EP19800100410 EP80100410A EP0014401B1 EP 0014401 B1 EP0014401 B1 EP 0014401B1 EP 19800100410 EP19800100410 EP 19800100410 EP 80100410 A EP80100410 A EP 80100410A EP 0014401 B1 EP0014401 B1 EP 0014401B1
Authority
EP
European Patent Office
Prior art keywords
detonators
igniter
delay
ignition
battery
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.)
Expired
Application number
EP19800100410
Other languages
German (de)
English (en)
Other versions
EP0014401A1 (fr
Inventor
Wilhelm Grosse-Benne
Paul Beermann
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.)
Diehl Verwaltungs Stiftung
Original Assignee
Diehl GmbH and Co
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 Diehl GmbH and Co filed Critical Diehl GmbH and Co
Publication of EP0014401A1 publication Critical patent/EP0014401A1/fr
Application granted granted Critical
Publication of EP0014401B1 publication Critical patent/EP0014401B1/fr
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C19/00—Details of fuzes
    • F42C19/06—Electric contact parts specially adapted for use with electric fuzes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/04—Arrangements for ignition
    • F42D1/045—Arrangements for electric ignition

Definitions

  • the invention relates to electrical detonators for fuses, delay and pyrotechnic sets, detonators or detonators.
  • Electrical detonators are used to ignite delay and pyrotechnic charges, detonators or detonators. These detonators are mostly constructed according to the following principle. They contain an ignition charge, a delay charge, a primary explosive and a secondary explosive. The primer is usually ignited by electricity (bridge, gap, spark igniter). The resulting pilot flame triggers the burning of the delay set. This then ignites the secondary explosive via a primary explosive, which delivers the explosive force as the actual charge. Electric lighters are lighters with a primer without a detonator. They are used to ignite smoke charges, explosive devices and fireworks and are triggered with an igniter.
  • an electrical detonator for igniting an ignition cord is known.
  • a push button with a compression spring and a contact is provided in a housing.
  • a battery arranged outside the housing serves as the power supply.
  • the ignition wire lies directly on the fuse, so that the fuse is ignited by the heat generated by the ignition wire.
  • the heat development of the ignition wire can no longer suffice to ignite the ignition cord due to the insulating property of the air.
  • Another disadvantage is that, due to the characteristics of a heating resistor, the ignition wire takes a certain amount of time before the amount of heat required for the ignition of the fuse is released. This time essentially depends on the current humidity and temperature of the surrounding air. At a relatively low humidity and high temperature, the ignition cord is ignited in a shorter time than at a high humidity and relatively low temperature. Another disadvantage is the unwieldiness of the igniter due to the battery or other power source connected to the electric igniter via cables outside the igniter housing.
  • the aim of the invention is to provide an electrical detonator that has sufficient electrical ignition power for the ignition of detonating cords, delay sets and detonators, and also always produces constant current and voltage values, with the smallest mechanical outlay and a small housing structure. According to the present invention, this object is achieved according to the characterizing features of claim 1.
  • copper wires can also be used, the copper forming an alloy when used as a filament when heated, for example with silicon.
  • batteries should be used in a known manner which meet today's military requirements, in particular have a long service life, are waterproof, function perfectly in the required military temperature range and are also insensitive to electrostatic charges. These batteries are part of the state of the art and are widely used today in military consumer goods, preferably in electronic weapon construction.
  • the battery and the squib can be arranged interchangeably in the housing of the device.
  • the replacement could be done in a known manner by clamping, snapping or other attachment options.
  • the squib can be equipped with a bang set, for the purpose that the bang set is triggered when the igniter is being handled and when the ignition wire is heated, and the soldier or handling man can also perceive the function of the device acoustically.
  • the advantage is that the firing time of the delay set or the fuse begins from the moment the pop set is triggered. In addition, when the pop set is triggered, it is indicated that the device has worked properly.
  • Pop sets are well known in pyrotechnics. In addition to the use of fireworks, they are used for echosounders or to simulate live ammunition. For this reason, it is not necessary to specify the technical composition of the pop set.
  • the phono strength can be adjusted as desired by applying the set of bangs to the squib more or less.
  • a screw piece with a clamping piece and O-rings for attaching a fuse or an opening for inserting a detonator can also be arranged on the housing.
  • the detonator can be designed geometrically so that it is simple and easy to use for the man to be operated. Since the essential components of the detonator can consist of temperature-resistant, impact-resistant plastic, there is a wide variety of shapes and design options.
  • the advantages achieved with the invention are, in particular, that a device for igniting detonating cords, delay sets and detonators is created which meets the military requirements such as safe ignitability, water resistance, fall resistance, temperature resistance, aging resistance, simple handling and, last but not least, low cost.
  • Another advantage is that e.g. B. can be used for the squib or the battery on existing modules.
  • the principle of the device based on the ignition of detonating cords, delay sets, detonators, detonators or other ignition sets and pyrotechnic sets, is inventive, new and not part of the prior art. Neither an ignition machine nor an electrodynamic current generator is required. The exact ignition is achieved by the simple-acting, inexpensive to manufacture and simple device, with the battery acting as the main element with the squib.
  • a housing 1 made of plastic there is a receiving part 3, which has openings and a recess for receiving the exchangeable battery or the current generator 9 and the exchangeable unit, consisting of ignition wire with squib 11.
  • a head 2 is clamped or screwed onto the housing 1.
  • a push button 4 inside which the prestressed compression spring 5 is located.
  • a screwed-on foot nipple 6, 12 in which a delay tube 13 or on the other hand an ignition cord 15 is arranged.
  • the fuse 15 is fastened to the device by means of a screw 6, a clamp 7 and two round cord rings 8. After inserting the fuse 15 up to the squib 11, the screw ring 6 is screwed onto the igniter housing 1, whereby the O - Deform rings 8 and lock the fuse tightly and tightly.
  • the protective cap 14 is unscrewed with the foot nipple 12.
  • the device described in this way functions as follows. After unscrewing the head 2, the contact 10 with the battery 9 to the ignition wire and the squib 11 is closed by pressing the push button 4, the compression spring 5 being compressed. The ignition wire and the squib 11 suddenly heat up and ignite the fuse 15 or the delay set 13 located directly under the squib.
  • the compression spring 5 is expediently dimensioned such that the pressure can be exerted by hand using the push button 4.
  • the squib 11 is provided with a bang 11 ', the squib 11 is ignited audibly.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)

Claims (4)

1. Allumeur électrique pour cordons de mise à feu, compositions retardatrices ou capsules détonantes, comprenant un logement (1), un bouton-poussoir (4) aménagé à l'intérieur et comportant un ressort de pression (5), un contact électrique (10) et un fil d'amorçage qui peut être raccordé à une batterie (9) par l'intermédiaire du contact (10) commutable au moyen du bouton-poussoir (4), caractérisé en ce que la batterie (9) est montée d'une façon connue en soi dans le logement (1) et en ce que le fil d'amorçage du cordon de mise à feu (15), de la composition retardatrice ou de la capsule détonante.
2. Allumeur selon la revendication 1, caractérisé en ce que la pastille fulminante (11) et la batterie (9) sont montées dans le logement (1) de manière amovible.
3. Allumeur selon les revendications 1 et 2, caractérisé en ce que la pastille fulminante (11) est munie d'une charge explosive (11').
4. Allumeur selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'un élément de vissage (6) comportant un élément de serrage (7) et des joints toriques (8) est disposé sur le logement (1).
EP19800100410 1979-01-31 1980-01-28 Allumeur électrique pour cordeaux détonants, compositions de retardement et détonateurs Expired EP0014401B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792903600 DE2903600A1 (de) 1979-01-31 1979-01-31 Vorrichtung zur zuendung von zuendschnueren, verzoegerungssaetzen und sprengkapseln
DE2903600 1979-01-31

Publications (2)

Publication Number Publication Date
EP0014401A1 EP0014401A1 (fr) 1980-08-20
EP0014401B1 true EP0014401B1 (fr) 1983-06-08

Family

ID=6061792

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19800100410 Expired EP0014401B1 (fr) 1979-01-31 1980-01-28 Allumeur électrique pour cordeaux détonants, compositions de retardement et détonateurs

Country Status (2)

Country Link
EP (1) EP0014401B1 (fr)
DE (1) DE2903600A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU622871B2 (en) * 1987-08-14 1992-04-30 Detnet International Limited An ignition system and a method for the initiation thereof
SE459123B (sv) * 1987-08-14 1989-06-05 Bert Jonsson Taendsystem samt saett att initiera detsamma

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1363224A (en) * 1918-11-13 1920-12-28 Mine Safety Appliances Co Shot-firing attachment for electric batteries
US1477735A (en) * 1920-04-21 1923-12-18 Mendel P Weinbach Electric fuse igniter
US2280243A (en) * 1939-11-27 1942-04-21 Stanolind Oil & Gas Co Switch
US2407605A (en) * 1945-03-12 1946-09-10 Hammond Blasting unit and short-circuiting device
US2674946A (en) * 1950-06-14 1954-04-13 Bofors Ab Control device for an electric circuit
US3142255A (en) * 1962-10-23 1964-07-28 Richard L Murr Safety fireworks igniter
FR2116783A5 (fr) * 1970-12-09 1972-07-21 Clausin Pierre
FR2207318B1 (fr) * 1972-11-21 1976-04-23 Nickel Le
DE7411706U (de) * 1974-04-03 1974-09-19 Beermann P Schraubverbindung, vorzugsweise aus Kunststoff, zum wasserdichten Anbringen einer Zündschnur an eine Sprengkapsel
DE2424504C3 (de) * 1974-05-20 1980-02-28 Diehl Gmbh & Co, 8500 Nuernberg Spannabzugzünder für die Zündung einer Zündschnur oder eines Verzogerungssatzes

Also Published As

Publication number Publication date
EP0014401A1 (fr) 1980-08-20
DE2903600A1 (de) 1980-08-14
DE2903600C2 (fr) 1987-06-04

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