CA2272712A1 - Hybrid electronic detonator delay circuit assembly - Google Patents

Hybrid electronic detonator delay circuit assembly Download PDF

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Publication number
CA2272712A1
CA2272712A1 CA002272712A CA2272712A CA2272712A1 CA 2272712 A1 CA2272712 A1 CA 2272712A1 CA 002272712 A CA002272712 A CA 002272712A CA 2272712 A CA2272712 A CA 2272712A CA 2272712 A1 CA2272712 A1 CA 2272712A1
Authority
CA
Canada
Prior art keywords
circuit
delay circuit
bridge
switching circuit
circuit assembly
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
CA002272712A
Other languages
French (fr)
Other versions
CA2272712C (en
Inventor
David W. Ewick
Paul N. Marshall
Kenneth A. Rode
Thomas C. Tseka
Brendan M. Walsh
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.)
Detnet South Africa Pty Ltd
Original Assignee
David W. Ewick
Paul N. Marshall
Kenneth A. Rode
Thomas C. Tseka
Brendan M. Walsh
The Ensign-Bickford Company
Dyno Nobel Holding As
Dyno Nobel Holdings Usa, Inc.
Dyno Nobel Inc.
Dyno Nobel Asa
Detnet International Limited
Detnet South Africa (Pty) Ltd
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 David W. Ewick, Paul N. Marshall, Kenneth A. Rode, Thomas C. Tseka, Brendan M. Walsh, The Ensign-Bickford Company, Dyno Nobel Holding As, Dyno Nobel Holdings Usa, Inc., Dyno Nobel Inc., Dyno Nobel Asa, Detnet International Limited, Detnet South Africa (Pty) Ltd filed Critical David W. Ewick
Publication of CA2272712A1 publication Critical patent/CA2272712A1/en
Application granted granted Critical
Publication of CA2272712C publication Critical patent/CA2272712C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F42B3/121—Initiators with incorporated integrated circuit
    • F42B3/122—Programmable electronic delay 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
    • F42B3/121—Initiators with incorporated integrated circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C11/00—Electric fuzes
    • F42C11/06—Electric fuzes with time delay by electric circuitry

Abstract

An electronic delay circuit (10) for use in a detonator (100) has a switching circuit (20) and a timer circuit (22). Switching circuit (20) controls the flow of a stored charge of electrical energy from a storage capacitor (12) to a bridge initiation element such as a semiconductor bridge (18) or a tungsten bridge. The timing of the release of this energy is controlled by timer circuit (22). Switching circuit (20) is an integrated, dielectrically isolated, bipolar CMOS (DI BiCMOS) circuit, whereas timer circuit (22) is a conventional CMOS circuit. The use of a DI BiCMOS switching circuit allows for greater efficiency of energy transfer from the storage capacitor (12) fo the semiconductor bridge (18) than has previously been attained.
CA002272712A 1996-12-09 1997-12-03 Hybrid electronic detonator delay circuit assembly Expired - Lifetime CA2272712C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/762,262 US5929368A (en) 1996-12-09 1996-12-09 Hybrid electronic detonator delay circuit assembly
US08/762,262 1996-12-09
PCT/US1997/022404 WO1998026248A1 (en) 1996-12-09 1997-12-03 Hybrid electronic detonator delay circuit assembly

Publications (2)

Publication Number Publication Date
CA2272712A1 true CA2272712A1 (en) 1998-06-18
CA2272712C CA2272712C (en) 2002-06-25

Family

ID=25064548

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002272712A Expired - Lifetime CA2272712C (en) 1996-12-09 1997-12-03 Hybrid electronic detonator delay circuit assembly

Country Status (17)

Country Link
US (1) US5929368A (en)
EP (1) EP0941447B1 (en)
JP (1) JP3289916B2 (en)
CN (1) CN1073230C (en)
AR (1) AR012026A1 (en)
AU (1) AU720935B2 (en)
BR (1) BR9713888A (en)
CA (1) CA2272712C (en)
CO (1) CO4770999A1 (en)
DE (1) DE69728895D1 (en)
ES (1) ES2219789T3 (en)
MY (1) MY124129A (en)
NO (1) NO319293B1 (en)
PE (1) PE3699A1 (en)
RU (1) RU2161293C1 (en)
WO (1) WO1998026248A1 (en)
ZA (1) ZA9710987B (en)

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DE10123284A1 (en) 2001-05-12 2002-11-14 Conti Temic Microelectronic Pyrotechnic ignition device with integrated electronics module
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AU2015201933B2 (en) * 2010-07-12 2016-08-04 Detnet South Africa (Pty) Ltd Timing module
WO2012009732A2 (en) 2010-07-12 2012-01-19 Detnet South Africa (Pty) Ltd Timing module
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RU2470256C1 (en) * 2011-05-04 2012-12-20 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" - Госкорпорация "Росатом" Diagram of controlled detonation logic chain
EP3076120A1 (en) * 2015-03-30 2016-10-05 Maxamcorp Holding, S.L. Protection circuit in blasting systems
US9759538B2 (en) 2016-02-12 2017-09-12 Utec Corporation, Llc Auto logging of electronic detonators
US10466026B1 (en) 2018-07-25 2019-11-05 Utec Corporation Llc Auto logging of electronic detonators using “smart” insulation displacement connectors
CA3120759C (en) * 2019-01-28 2023-07-11 Detnet South Africa (Pty) Ltd Detonator construction
RU2707108C1 (en) * 2019-04-25 2019-11-22 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") Electronic fuse
RU204844U1 (en) * 2020-07-03 2021-06-15 Акционерное общество "Научно-производственное объединение "Курганприбор" Electric initiation device for fuses

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Also Published As

Publication number Publication date
AU5896598A (en) 1998-07-03
NO319293B1 (en) 2005-07-11
CA2272712C (en) 2002-06-25
AR012026A1 (en) 2000-09-27
WO1998026248A1 (en) 1998-06-18
CN1073230C (en) 2001-10-17
EP0941447A1 (en) 1999-09-15
ES2219789T3 (en) 2004-12-01
NO992662L (en) 1999-08-09
CO4770999A1 (en) 1999-04-30
US5929368A (en) 1999-07-27
MY124129A (en) 2006-06-30
BR9713888A (en) 2001-11-27
DE69728895D1 (en) 2004-06-03
EP0941447A4 (en) 2001-11-21
NO992662D0 (en) 1999-06-02
AU720935B2 (en) 2000-06-15
CN1245558A (en) 2000-02-23
EP0941447B1 (en) 2004-04-28
RU2161293C1 (en) 2000-12-27
RU99114834A (en) 2005-01-20
PE3699A1 (en) 1999-02-11
ZA9710987B (en) 1998-07-20
JP2000512001A (en) 2000-09-12
JP3289916B2 (en) 2002-06-10

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Effective date: 20171204