EP0925480B1 - Zünd-/anzündelement mit einer auf einem chip angeordneten zündbrücke - Google Patents
Zünd-/anzündelement mit einer auf einem chip angeordneten zündbrücke Download PDFInfo
- Publication number
- EP0925480B1 EP0925480B1 EP97944872A EP97944872A EP0925480B1 EP 0925480 B1 EP0925480 B1 EP 0925480B1 EP 97944872 A EP97944872 A EP 97944872A EP 97944872 A EP97944872 A EP 97944872A EP 0925480 B1 EP0925480 B1 EP 0925480B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chip
- metal body
- ignition
- fuse
- firing element
- 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 - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/10—Initiators therefor
- F42B3/12—Bridge initiators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/10—Initiators therefor
- F42B3/12—Bridge initiators
- F42B3/13—Bridge initiators with semiconductive bridge
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Definitions
- the invention relates to an ignition / ignition element according to the preamble of the claim 1.
- the ignition unit for triggering detonators is known from DE 38 83 266 T2.
- the ignition unit consists of an electrically operated ignition or Melting head, a power source connected to the ignition head via a switching device is connected and an electronic unit.
- the electronics unit has at least one Chip, made of a semiconductor material and provided with a microcircuit, on.
- the chip carries an ignition head or an ignition bridge on its surface. The Ignition charge is applied directly to the ignition bridge.
- the invention is based, an ignition / ignition element according to the task Generic preamble of claim 1, which due to its compact design can be used universally and in which when the ignition / Ignition element an uncontrolled blowing is avoided.
- the principle of operation of the ignition / ignition element is as follows: when one is put on electrical voltage at the two pins, a current flows through the ignition / ignition element and the electrical energy is converted into thermal energy in the ignition bridge converted; the ignition bridge heats up. The one on the ignition bridge Ignition rate is initiated and by the implementation of the ignition rate or the gas pressure resulting from the ignition charges becomes a pressed bottom of the housing broken up. The hot gases and particles can then pass through this opening escape to ignite a downstream charge.
- the metal body For permanently durable coupling of the plastic body to the metal body the metal body at its end facing the igniter reduced diameter with a circumferential groove. At least in this groove introduced two openings to the holes above the glass bushings.
- the plastic body When the plastic body is molded or molded on, it engages around the Range of the smaller diameter of the metal body and penetrates through the groove and the openings in the holes and fill them above the glass bushings completely out. This ensures an optimal connection.
- the housing is expediently sleeve-shaped, the metal body forms the lower base plate.
- the housing advantageously includes the Plastic body and the metal body and is at the bottom of the metal body with this connected by a flare and a potting compound.
- the chip rests on the metal body.
- the chip has a conductive surface on its front side, onto which at least one resistance track is applied, which is laser cut in the conductive surface is so separated from it that there is at least one ignition bridge with the required resistance values. Laser cuts cause certain areas of the conductive surface are removed.
- a spark plug material to be used, which initiates an exothermic reaction when ignited.
- a spark plug material e.g. Magnesium or zirconium or an alloy thereof is suitable. This has the advantage that the ignition charge is no longer mechanically fixed on the ignition bridge must be pressed on, since the ignition bridge itself initiates an exothermic reaction executes.
- One way to avoid unwanted triggering by interference pulses, High frequency radiation etc. consists of a capacitor parallel to the ignition circuit to switch.
- the back of the chip is therefore advantageously metallized, so that the chip in connection with the conductive surface on the front Forms capacitor and this capacitor is connected in parallel to the ignition circuit.
- other electronic components such as resistors, coils, capacitors can also be used etc. can also be arranged on the chip.
- Fig. 1 shows the complete ignition / ignition element in section.
- a sleeve-shaped Housing 1 is arranged as a base plate, a metal body 7, through which pins or pins 5 are guided as electrical supply lines.
- the metal body 7 holes 8, in each of which a glass bushing 6 is inserted through the pins 5 are guided.
- the glass bushing 6 insulates the pins 5 from one another the metal body 7.
- the ignition bridge of the ignition / ignition element is on a chip 2 arranged, which rests on the metal body 7. Chip 2 will be detailed later described.
- the pins or pins 5 are guided up to the chip 2 and protrude the chip 2 even something.
- the pins 5 are connected to the soldering or bonding Chip 2 electrically connected.
- a plastic body 9 is form-fitting with the metal body 7 connected and completely fills the peripheral wall of the housing 1.
- the chip 2 in the A bottle neck-shaped indentation 16 is arranged inside the plastic body 9, the chip 2 being located at the lower end.
- the ignition / ignition element or primer is a compact unit that is resistant to mechanical, thermal and climatic influences. That’s it Ignition / ignition element extremely reliable. Through the metallic sheathing the sleeve-shaped housing 1 and the subsequent application of the sealing compound 12, as well as through the dense glass bushing 6, is the ignition / ignition element absolutely tight!
- the type area can be used to increase the mechanical strength against sentence breakouts or the primer 4 are additionally protected by a cover 18, if necessary.
- the introduction of the ignition charges 4a, 4b can be carried out both in the dry and in the wet condition - with subsequent drying. Which type is chosen is of the sentence types and the associated economically meaningful contribution dependent.
- Set types and set quantities depend on the respective application and can accordingly can be varied. It is also quite possible to use the ignition / ignition element can only be filled with one record type. This has the advantage that the handling costs are lower are than when introducing two types of sets 4a, 4b.
- FIGS. 2a, b An essential feature is the positive connection of the plastic body 9 with the metal part 7. This is shown particularly well in FIGS. 2a, b, which the metal body 7 with inserted pins 5 in the glass bushing 6 shows.
- the pins 5 are from the metal body 7 electrically insulated by the glass bushing 6 or the glass inserts and are so tight against moisture during storage and prevent the Gas when the ignition / ignition element is ignited.
- the metal body 7 has an ignition charge on it (not shown in Fig. 2) directed end with a reduced diameter circumferential groove 10.
- this groove 10 are at least two openings 11 to the Bores 8 introduced above the glass bushings 6. This allows the Plastic of the plastic body along the drawn-in wall 19 into the groove 10 and from there penetrate through the openings 11 into the bores 8 and fill them.
- Fig. 1 shows the result, namely an extremely strong and durable and therefore tight coupling of the plastic body 9 to the metal body 7.
- the top of the metal part 7 and the pins 5 should be designed so that the Chip 2 can be permanently connected electrically. This is e.g. a layer of tin on the pins 5 when the chip 2 is contacted by soldering, or a Gold layer on pins 5 when the chip connection is made by bonding becomes.
- the chip 3 shows a plan view of the chip 2.
- the chip 2 has a gold layer as the surface 13.
- the semicircular bulges 20 serve to receive the pins 5, which are connected to the gold layer 13.
- There is a resistance track across the surface 14 applied. This resistance path 14 is formed by laser cuts 15 so separated from the gold layer 13 that only one ignition bridge 3 remains.
- the ignition bridge geometry can be cut variably with the laser cut 15 and thus a wide range can be manufactured inexpensively. In practice it is necessary, because it enables the realization of the required different electrical Functional data is possible. Other parameters to ensure functionality the required performance data are the layer thickness and the materials that are preferably applied with the sputtering process.
- the resistance track 14 and thus the ignition bridge 3 is in a special embodiment made of an exothermic material, e.g. Magnesium or zirconium or an alloy of these substances.
- One way to avoid unwanted triggering by means of interference pulses, High-frequency radiation etc. consists in designing the chip 2 as a capacitor, which is connected in parallel to the ignition circuit. This can be achieved that the back of the chip 2 is metallized accordingly.
- Fig. 4 shows the unit metal body 7 with inserted pins 5 and connected Chip 2 in section (Fig. 4a) and in plan view from above (Fig. 4b).
- the chip 2 is electrically connected to the pins 5 by means of soldering 21.
- the chip 2 lies flat on the surface of the Metal body 7 and has 2 half holes 20 which are filled by the pins 5. This can both fix the two components during assembly as well as a subsequent secure electrical connection can be achieved.
- the Connection can be by means of soldering, a bond connection or another suitable one Way.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Air Bags (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Fuses (AREA)
- Control Of Combustion (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Packaging Frangible Articles (AREA)
Description
- Fig. 1
- einen Schnitt durch ein erfindungsgemäßes Zünd-/ Anzündelement,
- Fig. 2
- einen Metallkörper mit eingesetzten Pins im Schnitt (Fig. 2a) und in einer um 90° zu Fig. 2a gedrehten Ansicht (Fig. 2b),
- Fig. 3
- eine Draufsicht auf einen Chip und
- Fig. 4
- einen Metallkörper mit aufgesetztem Chip im Schnitt (Fig. 4a) und in Draufsicht von oben (Fig. 4b).
Claims (6)
- Zünd-/Anzündelement mit einem Gehäuse (1), in das elektrische Anschlußleitungen führen, die mit einer auf einem Chip (2) angeordneten Zündbrücke (3) verbunden sind, auf der zumindest ein Anzündsatz (4a, 4b) aufgebracht ist, wobei die Anschlußleitungen Stifte (Pins) (5) sind, die durch eine Glasdurchführung (6) in das Gehäuse (1) geführt sind, und ein Metallkörper (7) den Boden des Gehäuses (1) bildet und dieser Metallkörper (7) Bohrungen (8) aufweist, in denen die Glasdurchführungen (6) eingelassen sind, dadurch gekennzeichnet, daß der Metallkörper (7) formschlüssig mit einem Kunststoffkörper (9) verbunden ist, der die Umfangswand des Gehäuses (1) bedeckt und die aus der Glasdurchführung (6) herausragenden Enden der Stifte (5) umhüllt und der Metallkörper (7) an seinem zum Anzündsatz (4a, 4b) gerichteten Ende einen verringerten Durchmesser mit einer umlaufenden Nut (10) aufweist und in dieser Nut (10) zumindest zwei Durchbrüche (11) zu den Bohrungen (8) oberhalb der Glasdurchführungen (6) eingebracht sind.
- Zünd-/Anzündelement nach Anspruch 1, dadurch gekennzeichnet, daß das Gehäuse (1) den Kunststoffkörper (9) und den Metallkörper (7) umfaßt und am unteren Ende des Metallkörpers (7) mit diesem über eine Bördelung (21) und eine Vergußmasse (12) verbunden ist.
- Zünd-/Anzündelement nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Chip (2) auf dem Metallkörper (7) aufliegt.
- Zünd-/Anzündelement nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Chip (2) eine leitende Oberfläche (13) aufweist, auf die zumindest eine Widerstandsbahn (14) aufgebracht ist, die durch Laserschnitte (15) in der leitenden Oberfläche (13) so von dieser abgetrennt ist, daß sich zumindest eine Zündbrücke (3) mit den erforderlichen Widerstandswerten ergibt.
- Zünd-/Anzündelement nach Anspruch 4, dadurch gekennzeichnet,daß die Widerstandsbahn (14) und damit die Zündbrücke (3) aus einem exotherm reagierenden Material, wie z. B. Magnesium oder Zirkonium oder einer Legierung hiervon besteht.
- Zünd-/Anzündelement nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß die Rückseite des Chips (2) metallisiert ist und damit der Chip (2) in Verbindung mit der leitenden Oberfläche (13) auf der Vorderseite einen Kondensator bildet und dieser Kondensator parallel zum Zündkreis geschaltet ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19637587 | 1996-09-14 | ||
DE19637587A DE19637587A1 (de) | 1996-09-14 | 1996-09-14 | Zünd-/Anzündelement mit einer auf einem Chip angeordneten Zündbrücke |
PCT/EP1997/004976 WO1998011400A1 (de) | 1996-09-14 | 1997-09-11 | Zünd-/anzündelement mit einer auf einem chip angeordneten zündbrücke |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0925480A1 EP0925480A1 (de) | 1999-06-30 |
EP0925480B1 true EP0925480B1 (de) | 2001-12-05 |
Family
ID=7805701
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97944872A Expired - Lifetime EP0925480B1 (de) | 1996-09-14 | 1997-09-11 | Zünd-/anzündelement mit einer auf einem chip angeordneten zündbrücke |
Country Status (15)
Country | Link |
---|---|
US (1) | US6262875B1 (de) |
EP (1) | EP0925480B1 (de) |
JP (1) | JP4030130B2 (de) |
KR (1) | KR100614121B1 (de) |
CN (1) | CN1080410C (de) |
AT (1) | ATE210271T1 (de) |
BR (1) | BR9712821A (de) |
CA (1) | CA2265585A1 (de) |
CZ (1) | CZ298386B6 (de) |
DE (2) | DE19637587A1 (de) |
ES (1) | ES2165093T3 (de) |
PL (1) | PL183951B1 (de) |
RU (1) | RU2196292C2 (de) |
TR (1) | TR199900564T2 (de) |
WO (1) | WO1998011400A1 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19841228A1 (de) * | 1998-09-09 | 2000-03-23 | Siemens Ag | Anzünder und Verfahren zum Herstellen eines Anzünders |
US6166452A (en) * | 1999-01-20 | 2000-12-26 | Breed Automotive Technology, Inc. | Igniter |
DE10116785B4 (de) * | 2001-04-04 | 2006-02-23 | Nico-Pyrotechnik Hanns-Jürgen Diederichs GmbH & Co KG | Zündeinrichtung für eine Insassenschutzvorrichtung eines Kraftfahrzeuges |
DE10133221A1 (de) * | 2001-07-09 | 2002-10-17 | Trw Airbag Sys Gmbh & Co Kg | Anzünder |
DE10133223A1 (de) * | 2001-07-09 | 2002-10-17 | Trw Airbag Sys Gmbh & Co Kg | Anzünder |
EP1577633A4 (de) * | 2002-12-25 | 2007-08-15 | Nippon Kayaku Kk | Gaserzeuger |
US6905562B2 (en) * | 2003-09-04 | 2005-06-14 | Autoliv Asp, Inc. | Low density slurry bridge mix |
US20050066833A1 (en) * | 2003-09-04 | 2005-03-31 | Hamilton Brian K. | Single pin initiator for a gas generating device |
CN2669130Y (zh) * | 2003-12-12 | 2005-01-05 | 长沙凯维科技有限公司 | 一种烟花高效电点火头 |
US20060208474A1 (en) * | 2003-12-24 | 2006-09-21 | Nippon Kayaku Kabushiki Kaisha | Gas producer |
CN100389299C (zh) * | 2005-10-21 | 2008-05-21 | 贵州久联民爆器材发展股份有限公司 | 半导体电雷管 |
JP5020571B2 (ja) * | 2006-08-29 | 2012-09-05 | 株式会社ダイセル | 電気式点火器の製造方法 |
JP4914193B2 (ja) * | 2006-12-01 | 2012-04-11 | 日本化薬株式会社 | スクイブならびにエアバッグ用ガス発生装置およびシートベルトプリテンショナー用ガス発生装置 |
DE102007017679A1 (de) | 2007-01-11 | 2008-07-17 | Rheinmetall Waffe Munition Gmbh | Anzündmittel |
JP5364354B2 (ja) * | 2008-12-08 | 2013-12-11 | 日本工機株式会社 | 携行型拘束網展開装置 |
CN101487680B (zh) * | 2009-02-23 | 2012-11-21 | 北京铱钵隆芯科技有限责任公司 | 点火头 |
CN101666595B (zh) * | 2009-09-08 | 2012-08-29 | 北京维深数码科技有限公司 | 一种数码电子雷管控制芯片 |
CN103512439A (zh) * | 2012-06-20 | 2014-01-15 | 新疆创安达电子科技发展有限公司 | 一种电子雷管桥丝单体及其生产方法 |
JP5958915B2 (ja) * | 2013-03-29 | 2016-08-02 | 昭和金属工業株式会社 | 点火ユニットの製造方法 |
DE102014016469B4 (de) | 2014-11-06 | 2016-05-25 | Diehl Bgt Defence Gmbh & Co. Kg | Zündvorrichtung zum Zünden einer Treibladung |
CA2990014C (en) * | 2015-06-26 | 2023-10-03 | Jozef Hubertus Gerardus SCHOLTES | Integrated circuit initiator device |
CN108489347B (zh) * | 2018-01-18 | 2019-12-27 | 融硅思创(北京)科技有限公司 | 一种多芯片结构的数码电子雷管芯片 |
RU2751184C1 (ru) * | 2020-08-27 | 2021-07-12 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") | Воспламенительное устройство |
CN114267651A (zh) * | 2021-12-21 | 2022-04-01 | 北京智芯传感科技有限公司 | 一种预留装药室形式的桥膜式换能元封装结构 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3971320A (en) * | 1974-04-05 | 1976-07-27 | Ici United States Inc. | Electric initiator |
DE2747163A1 (de) * | 1977-10-20 | 1979-04-26 | Dynamit Nobel Ag | Elektrisches anzuendelement |
US4422381A (en) * | 1979-11-20 | 1983-12-27 | Ici Americas Inc. | Igniter with static discharge element and ferrite sleeve |
GB2123122A (en) * | 1982-01-08 | 1984-01-25 | Hunting Eng Ltd | Explosive devices |
US4484523A (en) * | 1983-03-28 | 1984-11-27 | The United States Of America As Represented By The Secretary Of The Navy | Detonator, solid state type I film bridge |
DE3416735A1 (de) * | 1984-05-07 | 1985-11-07 | Dynamit Nobel Ag, 5210 Troisdorf | Elektrisches zuendelement |
DE3637988A1 (de) * | 1986-11-07 | 1988-05-11 | Diehl Gmbh & Co | Anzuendbauteil |
SE456939B (sv) | 1987-02-16 | 1988-11-14 | Nitro Nobel Ab | Spraengkapsel |
DE3842917C1 (en) * | 1988-12-21 | 1989-11-30 | Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De | Fuze device for detonating a pyrotechnic charge |
US5085146A (en) * | 1990-05-17 | 1992-02-04 | Auburn University | Electroexplosive device |
US5431101A (en) * | 1991-04-16 | 1995-07-11 | Thiokol Corporation | Low cost hermetically sealed squib |
DE9202533U1 (de) * | 1992-02-27 | 1992-04-23 | Mannesmann Kienzle Gmbh, 7730 Villingen-Schwenningen, De | |
US5454320A (en) * | 1992-10-23 | 1995-10-03 | Quantic Industries, Inc. | Air bag initiator |
-
1996
- 1996-09-14 DE DE19637587A patent/DE19637587A1/de not_active Withdrawn
-
1997
- 1997-09-11 JP JP51326298A patent/JP4030130B2/ja not_active Expired - Fee Related
- 1997-09-11 CZ CZ0086899A patent/CZ298386B6/cs not_active IP Right Cessation
- 1997-09-11 US US09/254,661 patent/US6262875B1/en not_active Expired - Lifetime
- 1997-09-11 BR BR9712821-0A patent/BR9712821A/pt not_active IP Right Cessation
- 1997-09-11 ES ES97944872T patent/ES2165093T3/es not_active Expired - Lifetime
- 1997-09-11 CA CA002265585A patent/CA2265585A1/en not_active Abandoned
- 1997-09-11 CN CN97197947A patent/CN1080410C/zh not_active Expired - Fee Related
- 1997-09-11 WO PCT/EP1997/004976 patent/WO1998011400A1/de active IP Right Grant
- 1997-09-11 PL PL97332160A patent/PL183951B1/pl not_active IP Right Cessation
- 1997-09-11 RU RU99107640/02A patent/RU2196292C2/ru not_active IP Right Cessation
- 1997-09-11 DE DE59705692T patent/DE59705692D1/de not_active Expired - Fee Related
- 1997-09-11 TR TR1999/00564T patent/TR199900564T2/xx unknown
- 1997-09-11 AT AT97944872T patent/ATE210271T1/de not_active IP Right Cessation
- 1997-09-11 EP EP97944872A patent/EP0925480B1/de not_active Expired - Lifetime
- 1997-09-11 KR KR1019997002095A patent/KR100614121B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP4030130B2 (ja) | 2008-01-09 |
EP0925480A1 (de) | 1999-06-30 |
RU2196292C2 (ru) | 2003-01-10 |
TR199900564T2 (xx) | 1999-06-21 |
DE19637587A1 (de) | 1998-03-19 |
PL183951B1 (pl) | 2002-08-30 |
CA2265585A1 (en) | 1998-03-19 |
DE59705692D1 (de) | 2002-01-17 |
CN1230252A (zh) | 1999-09-29 |
US6262875B1 (en) | 2001-07-17 |
BR9712821A (pt) | 1999-11-23 |
WO1998011400A1 (de) | 1998-03-19 |
PL332160A1 (en) | 1999-08-30 |
CZ298386B6 (cs) | 2007-09-19 |
ATE210271T1 (de) | 2001-12-15 |
KR100614121B1 (ko) | 2006-08-22 |
JP2001500602A (ja) | 2001-01-16 |
CZ9900868A3 (en) | 2001-06-13 |
KR20000036083A (ko) | 2000-06-26 |
CN1080410C (zh) | 2002-03-06 |
ES2165093T3 (es) | 2002-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
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