EP2795238A1 - System for triggering a plurality of electronic detonator assemblies - Google Patents
System for triggering a plurality of electronic detonator assembliesInfo
- Publication number
- EP2795238A1 EP2795238A1 EP12816723.6A EP12816723A EP2795238A1 EP 2795238 A1 EP2795238 A1 EP 2795238A1 EP 12816723 A EP12816723 A EP 12816723A EP 2795238 A1 EP2795238 A1 EP 2795238A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- firing
- fire control
- electronic
- control unit
- local fire
- 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
Links
Classifications
-
- 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
- F42D1/05—Electric circuits for blasting
-
- 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
- F42D1/05—Electric circuits for blasting
- F42D1/055—Electric circuits for blasting specially adapted for firing multiple charges with a time delay
-
- 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
- F42D1/06—Relative timing of multiple charges
Definitions
- the present invention relates to a system for firing several sets of electronic detonators.
- the present invention relates to the field of explosive work involving a very large number of electronic detonators triggered in a specific time sequence, also called firing plan.
- a set of electronic detonators is connected to a firing line connected to a local fire control unit.
- the local fire control unit is configured to fire electronic detonators connected to the firing line from firing information sent over the air by a remote fire control unit.
- the remote fire control unit thus controls the local fire control unit both during test phases to verify the proper operation of each electronic detonator and for the actual firing phase of these electronic detonators.
- a limited number of electronic detonators for example of the order of 1500, can be connected to the same line of fire connected to a local fire control unit.
- Such a system is not suitable for controlling all the electronic detonators if they constitute a single firing plan because of the desynchronization in the firing orders.
- the present invention aims to solve at least one of the aforementioned drawbacks and to propose a system for firing several sets of electronic detonators from a firing trigger controlled by a remote fire control unit.
- the present invention relates to a system for firing several sets of electronic detonators, each set of electronic detonators being connected to a line of fire connected to a local fire control unit.
- At least one of the local fire control units comprises an electronic timing module connected to a shooting line connected to a master local fire control unit selected from the local fire control units.
- one or more local fire control units are connected by an electronic timing module to a firing line associated with a master local fire control unit.
- Such an assembly allows at a remote fire control unit to trigger the firing of all the electronic detonators of the system.
- the synchronization electronic module allows this firing to be synchronized for the different sets of electronic detonators, according to a single firing plan.
- several local fire control units respectively comprise an electronic synchronization module connected to the firing line of the master local fire control unit.
- the electronic synchronization module is connected to an input of a microcontroller of at least one of the local fire control units, the firing of the electronic synchronization module driving a control order. firing via the microcontroller of a set of electronic detonators connected to the line of fire connected to this local fire control unit.
- the electronic synchronization module comprises an electronic ignition module adapted to generate an electrical pulse at the input of the microcontroller.
- the electronic detonators include means for memorizing a programmable firing delay, the firing delays of several electronic detonators. sets being programmed according to a global firing plan.
- the firing delay programmed for the electronic detonators connected to the firing line connected to the master local control unit is incremented by a compensation value equal to a propagation duration of the firing order. fire between the master local fire control unit and the microcontroller input of at least one of the local fire control units.
- the scheduling of firing delays thus takes into account the firing order propagation delay between the master local fire control unit and the other local fire control units.
- FIG. 1 is a schematic illustration of a system for firing several sets of electronic detonators according to one embodiment of the invention
- FIG. 2 is a diagram illustrating an electronic ignition module of an electronic detonator
- FIG. 3 is a diagram illustrating an electronic ignition module of an electronic synchronization module connected to the input of a microcontroller.
- FIG. 1 illustrates an example of a firing system consisting of several sets of electronic detonators 11.
- These electronic detonators 11 may for example be similar to those described in WO 97/45696.
- This system comprises any number of electronic detonators 11 connected to a firing line 12 connected to a local fire control unit 13.
- the electronic detonators 11 can be used in large numbers in parallel assembly on the same firing line 12, and for example be greater than 1000.
- 1500 electronic detonators are mounted in parallel on the same firing line 12.
- the electronic detonators 11 are for example equipped with a ROM memory storing a unique identifier of the detonator, for example on 24 bits.
- Each electronic detonator 11 is adapted to interact with the local fire control unit 13, which can transmit orders to them and receive information.
- Each electronic detonator 11 comprises an electronic ignition module and a detonator charge.
- the electronic ignition module notably allows the transfer of information between the electronic detonator 11 and the local fire control unit 13, or else a programming console conventionally used in this type of system to program the firing sequences also called "Shooting plan".
- the electronic ignition module of each electronic detonator 11 also comprises means for storing a programmable firing delay according to the chosen firing plane.
- FIG. 1 An example of an electronic ignition module of an electronic detonator 11 is shown in FIG.
- this electronic ignition module comprises a CTIR firing capacitor adapted to store the energy required to ignite the electronic detonator 11.
- the CTIR firing capacitor is connected in series with a load resistor Rc and connected to a control IC, between a CLOAD load input and GND ground.
- a heating resistor Rf is connected in parallel with the firing capacitor CTIR, and more precisely between the charging input CLOAD and a firing control input CTIR of the control integrated circuit.
- the rise in temperature of the heating resistor Rf associated with the electronic detonator 11 initiates the firing of the pyrotechnic chain associated with this electronic detonator 11.
- Each local fire control unit 13 also comprises an electronic synchronization module 14.
- the synchronization electronics module 14 is connected to an input of a microcontroller 15 of each local fire control unit 13.
- FIG. 3 illustrates an exemplary embodiment of the synchronization electronic module 14 connected to an input of a microcontroller 15.
- the electronic synchronization module 14 integrates an electronic ignition module whose structure corresponds to a variation of the design of the electronic ignition module of an electronic detonator 11 as described above with reference to FIG. 2.
- the electronic synchronization module 14 differs from the electronic detonator 11 by the absence of the heating resistor Rf, which is replaced by a coupling circuit with an optocoupler.
- this electronic synchronization module 14 then generates an electrical pulse on the input of the microcontroller 15 mounted at the output of the optocoupler 16.
- the electronic synchronization module 14 has no detonator charge and can be used as many times as necessary.
- the firing of the electronic synchronization module 14 controls a firing order via the microcontroller 15 of the set of electronic detonators 11 connected to the line. 12 connected to this local fire control unit 3.
- a local master fire control unit 13 is selected from the local fire control units, identified in the following by the reference 13M.
- the other local fire control units 13 of the system are then considered as slave local fire control units subsequently identified by the reference 13S.
- the firing system thus comprises two slave local fire control units 13S.
- the master local fire control unit 13M and the slave local fire control units are radio-connected to a remote fire control unit 20, also known as the firing console 20. .
- the electronic synchronization module 14 of each slave local fire control unit 13S is connected to the firing line 12 connected to the control unit 13M local master shot.
- the synchronization electronics module 14 of the slave local fire control units 13S is seen by the master local fire control unit 13M as an electronic detonator 11 of the firing line 12 which is associated with it, thus integrated with its projection plane. shoot.
- the synchronization electronic modules 14 of the slave local fire control units 13S are also fired. so as to control at each slave local fire control unit 13S the firing of the associated electronic detonators 11.
- the firing delays stored in each electronic detonator 11 of the different sets associated with each local fire control unit 13 are programmed according to a global firing plan.
- the programmed firing delay for the electronic detonators 11 connected to a firing line 12 connected to the master local fire control unit 13M is incremented by a compensation value equal to the propagation time of the firing line 12. firing command between the master local fire control unit 13M and the input of the microcontroller 15 of the local slave fire control units 13S.
- This compensation value thus makes it possible to take into account in the firing plan the delay in receiving the firing order by each slave local fire control unit 13S, because of its transmission via the 3M master local fire control unit.
- the firing system described above thus enables the synchronized firing of a very large number of electronic detonators, for example greater than 4000, according to a global firing plan.
- the firing system described above behaves as if there existed only one local fire control unit 13 capable of synchronously controlling all the electronic detonators 11. 2 052899
- the synchronization accuracy of the various local fire control units 13 is less than one hundred microseconds.
- the synchronization test is managed by the remote fire control unit 20.
- this synchronization test consists firstly in controlling each of the slave local fire control units 13S to position themselves in a detection mode of a firing signal.
- the remote fire control unit 20 then sends an order to the master local fire control unit 13M to fire the synchronization electronics 14 of the slave local fire control units 13S.
- the remote fire control unit 20 requests each slave local fire control unit 13S to confirm the detection of the firing pulse on the input of each microcontroller 15 connected to the output of the electronic module. synchronization 14 of each local slave control unit 13S.
- a verification step makes it possible to ascertain, by measuring the voltage at the terminals of each CTIR firing capacitor of each electronic detonator 11, that only the firing capacitors CTIR of the electronic synchronization modules 14 are loaded.
- the local slave fire control units 13S are set to a waiting state of a turn-on order. from their electronic timing module 14 while the master local fire control unit 13M receives the firing order through a radio link with the remote firing control unit 20.
- the firing order from the remote firing control unit 20 controlling both the firing line electronic detonators 11 connected to the master local fire control unit 13M and the electronic synchronization modules 14 of the slave local fire control units 13S there is little risk of firing the electronic detonators 11 of the firing line 12 associated with the master local fire control unit 13M without triggering the firing of the detonators 11 associated with local slave fire control units 13S.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Air Bags (AREA)
- Alarm Systems (AREA)
- Selective Calling Equipment (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Tires In General (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL12816723T PL2795238T3 (en) | 2011-12-19 | 2012-12-12 | Ignition system for multiple groups of electronic detonators |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1161953A FR2984484B1 (en) | 2011-12-19 | 2011-12-19 | FIRING SYSTEM OF SEVERAL ELECTRONIC DETONATOR ASSEMBLIES |
PCT/FR2012/052899 WO2013093300A1 (en) | 2011-12-19 | 2012-12-12 | System for triggering a plurality of electronic detonator assemblies |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2795238A1 true EP2795238A1 (en) | 2014-10-29 |
EP2795238B1 EP2795238B1 (en) | 2017-05-17 |
Family
ID=47599069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12816723.6A Not-in-force EP2795238B1 (en) | 2011-12-19 | 2012-12-12 | Ignition system for multiple groups of electronic detonators |
Country Status (16)
Country | Link |
---|---|
US (1) | US9366518B2 (en) |
EP (1) | EP2795238B1 (en) |
AU (1) | AU2012356548B2 (en) |
BR (1) | BR112014014981B1 (en) |
CA (1) | CA2858793C (en) |
CL (1) | CL2014001597A1 (en) |
CO (1) | CO7061043A2 (en) |
EA (1) | EA030233B1 (en) |
ES (1) | ES2636682T3 (en) |
FR (1) | FR2984484B1 (en) |
MX (1) | MX356274B (en) |
PE (1) | PE20142092A1 (en) |
PL (1) | PL2795238T3 (en) |
UA (1) | UA114498C2 (en) |
WO (1) | WO2013093300A1 (en) |
ZA (1) | ZA201405244B (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3077725B1 (en) | 2013-12-02 | 2018-05-30 | Austin Star Detonator Company | Method and apparatus for wireless blasting |
FR3033402B1 (en) * | 2015-03-04 | 2017-04-07 | Davey Bickford | SYSTEM FOR CONTROLLING AT LEAST ONE ELECTRONIC DETONATOR |
FR3053457B1 (en) * | 2016-07-04 | 2018-08-17 | Davey Bickford | SHOOTING CONTROL UNIT OF DETONATORY ASSEMBLY AND FIRING SYSTEM |
FR3068124B1 (en) * | 2017-06-21 | 2021-07-09 | Davey Bickford | PROCESS FOR CONFIGURING A FIRE SYSTEM AND FIRE SYSTEM |
WO2019147294A1 (en) | 2018-01-23 | 2019-08-01 | Geodynamics, Inc. | Addressable switch assembly for wellbore systems and method |
FR3090087B1 (en) * | 2018-12-17 | 2022-06-24 | Commissariat Energie Atomique | Method of firing a set of electronic detonators |
AU2020334311A1 (en) * | 2019-08-16 | 2022-03-10 | Omnia Group (Proprietary) Limited | Secure communication between devices in a blasting system |
US12000685B2 (en) * | 2019-09-09 | 2024-06-04 | Detnet South Africa (Pty) Ltd | Energy efficient wireless detonator system |
WO2021178082A2 (en) | 2020-02-06 | 2021-09-10 | Austin Star Detonator Company | Integrated detonator sensors |
WO2022203528A1 (en) * | 2021-03-25 | 2022-09-29 | Arancibia Vasquez Arnaldo Ignacio | Electronic adapter with programmed delay for igniting a primer |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4724766A (en) * | 1984-03-16 | 1988-02-16 | Isc Technologies, Inc. | Cluster bomb system and method |
US5214236A (en) * | 1988-09-12 | 1993-05-25 | Plessey South Africa Limited | Timing of a multi-shot blast |
CA2110742C (en) * | 1992-12-07 | 1999-09-14 | Michael John Camille Marsh | Surface blasting system |
FR2749073B1 (en) | 1996-05-24 | 1998-08-14 | Davey Bickford | PROCEDURE FOR ORDERING DETONATORS OF THE TYPE WITH ELECTRONIC IGNITION MODULE, FIRE CONTROL CODE ASSEMBLY AND IGNITION MODULE FOR ITS IMPLEMENTATION |
SE515809C2 (en) * | 2000-03-10 | 2001-10-15 | Dyno Nobel Sweden Ab | Method of firing electronics explosives in a detonator system and a detonator system comprising the electronics explosives |
DE10147726A1 (en) * | 2000-09-30 | 2002-07-25 | Dynamit Nobel Gmbh | Method of connecting detonators to an ignition system |
US7617775B2 (en) * | 2003-07-15 | 2009-11-17 | Special Devices, Inc. | Multiple slave logging device |
US7086334B2 (en) * | 2003-07-15 | 2006-08-08 | Special Devices, Inc. | Staggered charging of slave devices such as in an electronic blasting system |
US8474379B2 (en) * | 2004-01-16 | 2013-07-02 | Rothenbuhler Engineering Co. | Remote firing device with diverse initiators |
US20090145321A1 (en) * | 2004-08-30 | 2009-06-11 | David Wayne Russell | System and method for zero latency distributed processing of timed pyrotechnic events |
PE20061261A1 (en) * | 2005-03-09 | 2006-12-16 | Orica Explosives Tech Pty Ltd | ELECTRONIC BLASTING SYSTEM |
CA2646299C (en) * | 2006-04-28 | 2014-12-02 | Orica Explosives Technology Pty Ltd | Methods of controlling components of blasting apparatuses, blasting apparatuses, and components thereof |
CA2654832C (en) * | 2006-06-09 | 2012-01-03 | Detnet South Africa (Pty) Ltd. | Detonator cross-talk reduction |
US20080098921A1 (en) * | 2006-10-26 | 2008-05-01 | Albertus Abraham Labuschagne | Blasting system and method |
AU2009253752B2 (en) * | 2008-05-29 | 2013-09-19 | Orica Australia Pty Ltd | Calibration of detonators |
FR2955933B1 (en) | 2010-02-02 | 2012-03-09 | Davey Bickford | SYSTEM FOR PROGRAMMING AND FIREFIGHTING ELECTRONIC DETONATORS, ASSOCIATED METHOD |
WO2011140571A1 (en) * | 2010-05-04 | 2011-11-10 | Detnet South Africa (Pty) Ltd | Two wire daisy chain |
-
2011
- 2011-12-19 FR FR1161953A patent/FR2984484B1/en not_active Expired - Fee Related
-
2012
- 2012-12-12 UA UAA201408161A patent/UA114498C2/en unknown
- 2012-12-12 BR BR112014014981-0A patent/BR112014014981B1/en active IP Right Grant
- 2012-12-12 PE PE2014000985A patent/PE20142092A1/en active IP Right Grant
- 2012-12-12 AU AU2012356548A patent/AU2012356548B2/en active Active
- 2012-12-12 CA CA2858793A patent/CA2858793C/en active Active
- 2012-12-12 PL PL12816723T patent/PL2795238T3/en unknown
- 2012-12-12 MX MX2014007347A patent/MX356274B/en active IP Right Grant
- 2012-12-12 WO PCT/FR2012/052899 patent/WO2013093300A1/en active Application Filing
- 2012-12-12 EA EA201491217A patent/EA030233B1/en active IP Right Revival
- 2012-12-12 ES ES12816723.6T patent/ES2636682T3/en active Active
- 2012-12-12 US US14/366,420 patent/US9366518B2/en active Active
- 2012-12-12 EP EP12816723.6A patent/EP2795238B1/en not_active Not-in-force
-
2014
- 2014-06-17 CL CL2014001597A patent/CL2014001597A1/en unknown
- 2014-06-27 CO CO14139515A patent/CO7061043A2/en unknown
- 2014-07-17 ZA ZA2014/05244A patent/ZA201405244B/en unknown
Also Published As
Publication number | Publication date |
---|---|
BR112014014981A2 (en) | 2017-07-04 |
FR2984484B1 (en) | 2018-06-15 |
US9366518B2 (en) | 2016-06-14 |
EP2795238B1 (en) | 2017-05-17 |
PE20142092A1 (en) | 2015-01-11 |
ZA201405244B (en) | 2015-11-25 |
WO2013093300A1 (en) | 2013-06-27 |
CA2858793C (en) | 2020-02-18 |
CO7061043A2 (en) | 2014-09-19 |
EA201491217A1 (en) | 2014-09-30 |
UA114498C2 (en) | 2017-06-26 |
EA030233B1 (en) | 2018-07-31 |
MX2014007347A (en) | 2014-11-25 |
FR2984484A1 (en) | 2013-06-21 |
CA2858793A1 (en) | 2013-06-27 |
AU2012356548B2 (en) | 2016-09-15 |
US20150007740A1 (en) | 2015-01-08 |
PL2795238T3 (en) | 2017-10-31 |
CL2014001597A1 (en) | 2014-10-03 |
MX356274B (en) | 2018-05-18 |
AU2012356548A1 (en) | 2014-07-31 |
ES2636682T3 (en) | 2017-10-06 |
BR112014014981B1 (en) | 2020-09-08 |
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