EP3265746B1 - Système de commande d'au moins un détonateur électronique - Google Patents

Système de commande d'au moins un détonateur électronique Download PDF

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Publication number
EP3265746B1
EP3265746B1 EP16712958.4A EP16712958A EP3265746B1 EP 3265746 B1 EP3265746 B1 EP 3265746B1 EP 16712958 A EP16712958 A EP 16712958A EP 3265746 B1 EP3265746 B1 EP 3265746B1
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EP
European Patent Office
Prior art keywords
control system
switching means
output
firing
supply signal
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.)
Active
Application number
EP16712958.4A
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German (de)
English (en)
French (fr)
Other versions
EP3265746A1 (fr
Inventor
Franck Guyon
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.)
Davey Bickford SAS
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Davey Bickford SAS
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Application filed by Davey Bickford SAS filed Critical Davey Bickford SAS
Publication of EP3265746A1 publication Critical patent/EP3265746A1/fr
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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

Definitions

  • the present invention relates to a control system of at least one electronic detonator.
  • a set of electronic detonators is connected to the same control system, the control system being configured to manage the operation of the detonators, as well as to power the detonators.
  • Each electronic detonator is connected to the control system by means of electric conductors or firing line, and comprises in particular an explosive or detonator charge, a primer or ignition module with electronic control, and means for storing a time of ignition. firing delay, the delay time corresponding to the time elapsed between the receipt by the electronic detonator of a firing command and the firing itself.
  • the control system generates as output a supply signal for supplying the electronic detonators, as well as control signals such as test signals or firing signals intended respectively to check the correct operation of the detonators and to initiate the firing of detonators.
  • These supply and control signals generated at the output of the control system are sent to the electronic detonators by means of the electric conductors.
  • protection means such as galvanic isolation means arranged between the electrical conductors son and the control system, are implemented.
  • the electronic detonators may include on-board power supply means are powered by their own power supply means.
  • the object of the present invention is to propose a control system for at least one electronic detonator in which the protection against overvoltages in the electrical conductor wires connecting the control system to the at least one electronic detonator is improved.
  • the present invention aims in a first aspect a control system of at least one electronic detonator outputting an output power signal for supplying said at least one electronic detonator and generating setting commands. firing said at least one electronic detonator, the control system comprising a control module configured to generate firing commands and to generate a first power signal.
  • control system further comprises a power supply module generating a second power supply signal for supplying the at least one electronic detonator, first output switching means arranged between the control module and the output of the control system and the second output switching means arranged between the power supply module and the output of the control system, the output power signal corresponding to the second power supply signal once a control of firing of said at least one electronic detonator is generated, and the first power signal as long as no firing command is generated.
  • the power module supports the power supply of the electronic detonator instead of the control module.
  • the control module in charge of the generation of operating commands of the electronic detonator, such as the firing control, is thus preserved from the risk of damage by the potential difference generated in the electrical conductor wires connecting the control system.
  • at least one electronic detonator while maintaining the supply of said at least one electronic detonator, and thus avoiding the risk of not firing the detonator.
  • the output signal of the control system corresponds to the first supply signal, ie to the signal power supply from the control module.
  • the control signal corresponds to the second power supply signal, that is to say to the power supply signal from the power supply module.
  • the first switching means make it possible to connect or disconnect the control module to the output of the control system.
  • the control module is connected to the output of the control system, the first power signal is output to the output of the control system.
  • the control module is disconnected from the output of the control system, the first power signal is not delivered to the output of the control system.
  • the second switching means are used to connect or disconnect the power module to the output of the control system.
  • the second power signal is output to the output of the control system when the power supply module is connected to the output of the control system.
  • the second signal The power supply is not delivered to the output of the control system when the power supply module is disconnected from the output of the control system.
  • the output switching means enabling the replacement of said first power signal by said second power supply signal at the output of the control system once a firing command of said at least one electronic detonator is generated.
  • the output control means allow a simple implementation to connect either the control module or the power module at the output of the control system.
  • the first switching means and the second switching means have an open state or a closed state and once a firing command is generated, the second switching means are put in the closed state and the first switching means are set to open once the second switching means are in the closed state.
  • the first switching means are in the closed state, and the second switching means are in the open state.
  • the second switching means is turned off and then the first switching means is set to open.
  • the power supply module is connected to the output of the control system in place of the control module.
  • the first power signal is replaced by the second power signal.
  • control system further comprises input switching means arranged upstream of the power supply module.
  • the input switching means make it possible to connect or disconnect the power supply module to the electronic circuits situated upstream.
  • the input switching means have an open state or a closed state, once a firing command is generated, the second switching means are put into a closed state once the switching means of entry are in open state.
  • the input control means is set to open state, the supply module thus being disconnected from the upstream electronic circuits.
  • control system comprises a power supply source connected to the power supply module through the input switching means.
  • the first power supply signal is thus generated from the electrical energy delivered by the power supply source.
  • the input switching means allow the connection or disconnection of the power supply module to the power supply source.
  • the input control means are in the closed state.
  • the input control means are in the open state, thereby disconnecting the power module from the power source.
  • control module comprises modulation means generating the first supply signal, the modulation means being configured to generate the first supply signal in phase with the second supply signal once a firing command is generated.
  • the power supply module comprises energy storage means, the second power supply signal being generated by the energy storage means.
  • the energy storage means comprise a capacitor, the second supply signal being taken across the capacitor.
  • the characteristics of the capacitor are determined so as to store the energy necessary to supply the at least one electronic detonator for at least a predetermined period of time.
  • the predetermined period of time substantially corresponds to at least one firing delay time.
  • said at least one electronic detonator is powered for at least the time elapsed between the generation of the firing command of the at least one electronic detonator and the firing of the at least one electronic detonator itself.
  • the power supply module comprises means for protecting the energy storage means against the overvoltages present at the output of the control system.
  • the means for protecting the storage means against overvoltages make it possible to protect the power supply module, in particular the energy storage means, against the overvoltages present on the firing line.
  • control module is disconnected from the output of the control system. Due to the disconnection of the control module from the output of the control system, the control module is protected against overvoltages present on the firing line.
  • control module as well as the power supply module are protected.
  • the present invention provides a system for firing a set of electronic detonators comprising a control system according to the invention, in which the control system is connected to all the electronic detonators by means of electrical conductors.
  • the firing system of a set of electronic detonators has advantages similar to those described above with reference to the control system of at least one detonator according to the invention.
  • the figure 1 represents the context of the invention, that is to say a system for firing several electronic detonators, comprising a control system 10 and a set of electronic detonators 20 connected to the control system 10 through conductive wires 30 electric, commonly called firing line.
  • the control system 10 is responsible in particular for supplying the electronic detonators 20, to verify that they function properly and to manage their operation, for example to control their firing.
  • control system 10 comprises electronic circuits necessary for generating supply signals as well as control signals, for example test signals or firing signals. These signals are generated at the output 100 of the control system 10 and are sent via the electrical conductor wires or firing line 30 to the electronic detonators 20.
  • control system 10 comprises an output 100 having two input / output terminals 100a, 100b.
  • the electrical conductor wires 30 are connected on the one hand to the input / output terminals 100a, 100b and on the other hand to the electronic detonators 20.
  • the figure 2 represents a control system 10 having an output 100, to which the electronic detonators 20 are connected through electrical conductors son 30.
  • the control system 10 generates at the output 100 an output power signal Vs intended to supply the electronic detonators 20.
  • the control system 10 comprises a control module 11 comprising electronic circuits necessary to manage the operation of the set of electronic detonators and to communicate with them.
  • the control module 11 is configured to generate commands for the electronic detonators 20, such as test commands or firing commands, as well as a first supply signal Vm for the supply of the detonators. electronic 20.
  • control module 11 comprises modulation means 13 configured to modulate an input voltage so as to generate controls for the electronic detonators 20.
  • the input voltage of the modulation means 13 comes from a power supply source Ve connected to the input of the control module 11.
  • the control system 10 further comprises a power supply module 12 generating a second power supply signal Vc for supplying the electronic detonators 20.
  • the first supply signal Vm at the output of the control module 11 is generated from the electrical energy delivered by the power supply source Ve.
  • the control system 10 comprises first switching means K1 arranged between the control module 11 and the output 100 of the control system 10 and the second switching means K2 arranged between the supply module 12 and the output 100 of the control system. order 10.
  • the output switching means K1, K2 make it possible to connect the output of the control module 11 or the output of the supply module 12 to the output 100 of the switching system 10, and thus to generate at the output 100 either the first supply signal Vm from the control module 11, the second supply signal Vc from the supply module 12.
  • the first switching means K1 and the second switching means K2 may have an open state or a closed state.
  • the control module 11 When the first switching means K1 are in the closed state, the control module 11 is connected to the output 100 of the control system 10. When they are in the open state, the control module 11 is not connected to the output 100 of the control system 10.
  • the power supply module 12 is connected to the output 100 of the control system 10.
  • the power supply module 12 is not connected to the output 100 of the control system 10.
  • the first supply signal Vm is delivered to the output 100 of the control system 10.
  • the second supply signal Vc is delivered to the output 100 of the control system 10.
  • the first output switching means K1 and the second output switching means K2 respectively comprise at least one relay for connecting or disconnecting the control module 11 and the power supply module 12 to the output 100 of the control system 10.
  • the relays are of the electromechanical type. This type of relay has the advantage of guaranteeing isolation for high value voltages.
  • relays could be used such as electronic relays.
  • the output switching means K1, K2 comprise a relay mounted in each conductor wire connected to the output 100 of the control system 10.
  • the output supply signal Vs corresponds to the first supply signal Vm, coming from the control module 11, except after the issuance of a firing command by the control module 11, in which case, the first supply signal Vm is replaced by the second supply signal Vc, coming from the supply module 12.
  • the first switching means K1 are in the closed state, and the second switching means K2 are in state open so that the first supply signal Vm is delivered to the output 100 of the control system 10.
  • the second switching means K2 are put in the closed state, and then the first switching means K1 are set to open state so that the second supply signal Vc is delivered to the output 100 of the control system 10.
  • the control module 11 including the electronic cards necessary to manage the operation of the set of electronic detonators 20 and to communicate with them, is disconnected electrical conductors son 30 connecting the control system 10 to all electronic detonators 20.
  • the control module 11 is thus preserved from the risks presented by the overvoltages that can appear on the son electrical conductors 30.
  • the power supply module 12 is connected to the electrical conductor wires 30 in order to deliver the second power supply signal Vc intended to power the electronic detonators 20 during their ignition. fire.
  • the second switching means K2 are put in the closed state and then the first switching means K1 are put in the open state.
  • Input switching means K3 are arranged between the power supply source Ve and the power supply module 12, the power supply source Ve being able to be connected to the power supply module 12 through switching means of K3 input according to their state.
  • the input switching means K3 may have an open state or a closed state.
  • the power supply source Ve When the switching means K3 are in a closed state, the power supply source Ve is connected to the power supply module 12, and when the input switching means K3 are in the open state, the power supply source Ve is disconnected from the power supply module 12.
  • the input switching means K3 comprise at least one relay.
  • the relay is an electromechanical relay.
  • the input switching means K3 may comprise an electronic relay.
  • a relay is mounted in each conductive wire connecting the power supply source Ve and the power supply module 12.
  • the power supply module 12 comprises energy storage means.
  • the energy storage means comprise a capacitor C.
  • the input switching means K3 are connected across the terminals of the capacitor C.
  • the second supply signal Vc is taken across the capacitor C.
  • the capacitor C is charged by the energy delivered by the power source Ve when the input switching means K3 are in the closed state.
  • the input switching means K3 are in the closed state when no firing command has been generated.
  • the power supply source Ve delivers electrical energy to the control module 11, as well as to the power supply module 12.
  • the capacitor C stores energy delivered by the power supply source Ve.
  • the input switching means K3 are controlled in the open state, the supply module 12 thus being disconnected from the power supply source Ve.
  • the power supply module 12 further comprises a first resistor R1 mounted between the input switching means K3 and the capacitor C.
  • This first resistor R1 makes it possible to limit the charging current of capacitor C.
  • the power supply module 12 furthermore comprises means 14 for protecting the capacitor C against the overvoltages present at the output 100 of the control system 10, coming for example from the electrical conductors 30.
  • the protection means 14 comprise a second resistor R2, a diode D and an inductance L.
  • the diode D is connected in parallel with the capacitor C, the second resistor R2 is connected between the diode D and the inductance L, the inductance L being connected to the second output switching means K2.
  • the characteristics of the capacitor C are determined so as to store the energy required to power a set of electronic detonators 20 for a predetermined period of time.
  • the predetermined period of time substantially corresponds to a firing delay time.
  • each electronic detonator 20 is programmed with a delay time.
  • the predetermined period of time substantially corresponds to the maximum firing delay time.
  • the set of electronic detonators 20 is powered by the energy delivered by the capacitor C during the firing phase.
  • the capacitor C must be so dimensioned as to maintain the second supply signal Vc over the predetermined period of time corresponding to the maximum firing delay time.
  • the dimensioning of the capacitor C also takes into account the number of electronic detonators 20 connected through the electrical conductors 30 to the control system 10.
  • a capacitor of 0, 36 F capacity could be used.
  • the input switching means K3 and output K1, K2 are controlled in the open or closed state so that the electronic detonators 20 are always powered.
  • the second output switching means K2 are closed before the first output switching means K1 are controlled in opening.
  • the second output switching means K2 are closed when the input switching means K3 are opened.
  • the power supply module 12 takes over from the control module 11 in the supply of the detonators 20, that is to say at the moment when the second output switching means K2 are controlled in closing (the first output switching means K1 being subsequently controlled in opening), the first supply signal Vm (or the output supply signal Vs) and the second supply signal Vc must be in phase.
  • the replacement of the first supply signal Vm with the second supply signal Vc is carried out after the generation of the firing command but before a first detonation itself of a detonator of the set of detonators 20.
  • the minimum delay time allocated to an electronic detonator 20 is determined by taking into account the switching time of the output switching means K1, K2 and switching means. K3 input.
  • the minimum delay time has a sufficiently high value that the output switching means K1, K2 and the input switching means K3 have changed state.
  • the input switching means K3 are controlled in opening in order to disconnect the power supply source Ve from the supply module 12
  • the second output switching means K2 are closedly controlled so as to connect the power supply module 12 to the output 100 of the control system 10
  • the first output switching means K1 are then controlled in opening so that the module 11 (and in particular the modulation means 13) is disconnected from the output 100 of the control system 10.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)
EP16712958.4A 2015-03-04 2016-02-29 Système de commande d'au moins un détonateur électronique Active EP3265746B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1551823A FR3033402B1 (fr) 2015-03-04 2015-03-04 Systeme de commande d'au moins un detonateur electronique
PCT/FR2016/050451 WO2016139410A1 (fr) 2015-03-04 2016-02-29 Système de commande d'au moins un détonateur électronique

Publications (2)

Publication Number Publication Date
EP3265746A1 EP3265746A1 (fr) 2018-01-10
EP3265746B1 true EP3265746B1 (fr) 2019-05-15

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Application Number Title Priority Date Filing Date
EP16712958.4A Active EP3265746B1 (fr) 2015-03-04 2016-02-29 Système de commande d'au moins un détonateur électronique

Country Status (13)

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US (1) US10260851B2 (pt)
EP (1) EP3265746B1 (pt)
AU (1) AU2016227591A1 (pt)
BR (1) BR112017018523A2 (pt)
CA (1) CA2975354A1 (pt)
CL (1) CL2017002190A1 (pt)
CO (1) CO2017008771A2 (pt)
EA (1) EA201791962A1 (pt)
FR (1) FR3033402B1 (pt)
MX (1) MX2017011075A (pt)
PE (1) PE20171384A1 (pt)
WO (1) WO2016139410A1 (pt)
ZA (1) ZA201706360B (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU199843U1 (ru) * 2020-02-19 2020-09-22 Федеральное государственное казенное военное образовательное учреждение высшего образования "ВОЕННАЯ АКАДЕМИЯ МАТЕРИАЛЬНО-ТЕХНИЧЕСКОГО ОБЕСПЕЧЕНИЯ имени генерала армии А.В. Хрулева" Министерства обороны Российской Федерации Устройство для производства групповых взрывов

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109631702B (zh) * 2019-01-30 2024-03-22 山西宸润隆科技有限责任公司 基于高低压电源与通信总线控制的雷管起爆系统
CN115493464B (zh) * 2022-09-26 2023-10-17 上海芯跳科技有限公司 提高电子雷管通信组网能力的方法和系统

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FR2880110B1 (fr) * 2004-12-23 2007-03-30 Davey Bickford Snc Amorce pyro-electronique a circuit de shuntage de pont electrothermique
WO2011014891A2 (en) * 2009-07-30 2011-02-03 Detnet South Africa (Pty) Ltd Detonator firing circuit
FR2955933B1 (fr) * 2010-02-02 2012-03-09 Davey Bickford Systeme de programmation et de mise a feu de detonateurs electroniques, procede associe
CN102840800B (zh) * 2011-06-22 2017-09-22 北京铱钵隆芯科技有限责任公司 电子雷管编码器
FR2984484B1 (fr) * 2011-12-19 2018-06-15 Davey Bickford Systeme de mise a feu de plusieurs ensembles de detonateurs electroniques

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU199843U1 (ru) * 2020-02-19 2020-09-22 Федеральное государственное казенное военное образовательное учреждение высшего образования "ВОЕННАЯ АКАДЕМИЯ МАТЕРИАЛЬНО-ТЕХНИЧЕСКОГО ОБЕСПЕЧЕНИЯ имени генерала армии А.В. Хрулева" Министерства обороны Российской Федерации Устройство для производства групповых взрывов

Also Published As

Publication number Publication date
US20180347959A1 (en) 2018-12-06
MX2017011075A (es) 2018-06-07
ZA201706360B (en) 2019-02-27
BR112017018523A2 (pt) 2018-04-24
PE20171384A1 (es) 2017-09-15
EP3265746A1 (fr) 2018-01-10
AU2016227591A1 (en) 2017-10-12
FR3033402A1 (fr) 2016-09-09
WO2016139410A9 (fr) 2017-09-14
FR3033402B1 (fr) 2017-04-07
WO2016139410A1 (fr) 2016-09-09
EA201791962A1 (ru) 2018-01-31
CO2017008771A2 (es) 2017-09-11
CL2017002190A1 (es) 2018-01-12
US10260851B2 (en) 2019-04-16
CA2975354A1 (fr) 2016-09-09

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