EP3074717A1 - Détonateur électronique - Google Patents
Détonateur électroniqueInfo
- Publication number
- EP3074717A1 EP3074717A1 EP14809936.9A EP14809936A EP3074717A1 EP 3074717 A1 EP3074717 A1 EP 3074717A1 EP 14809936 A EP14809936 A EP 14809936A EP 3074717 A1 EP3074717 A1 EP 3074717A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- resistance
- electronic detonator
- value
- control system
- electronic
- 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
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 32
- 238000005474 detonation Methods 0.000 claims description 16
- 239000004020 conductor Substances 0.000 claims description 15
- 238000005259 measurement Methods 0.000 claims description 13
- 230000001747 exhibiting effect Effects 0.000 abstract 2
- 238000009434 installation Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
- H01B1/12—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances organic substances
Definitions
- the present invention relates to an electronic detonator.
- an electronic detonator adapted to be connected by means of two wires to an associated control system, the leads having a charged plastic material.
- Electronic detonators include an explosive, an electrically operated primer and an electronic module.
- the electronic detonator is connected to a control system by means of conducting wires.
- the control system sends power and control signals to the electronic detonator through the leads.
- the electronic detonator also sends signals, including response, to the control system through the conductive son.
- the conducting wires connecting an electronic detonator to an associated control system comprise a metallic material.
- the conductive wires comprise a plastic material loaded in place of the metallic material conventionally used. This is disclosed, for example, in US2012 / 0162912.
- the electrical resistance of such conductive wires has a high value. In general, this resistor has no impact on the control signals emitted by the control system to the electronic detonator.
- the resistance of the conductive wires has an impact on the signals generated by the electronic detonator towards the control system.
- the electronic detonator when it generates a signal to the control system, it generates in the conductor son, for example a current, amplitude proportional to the value of a resistance formed in part by the resistance of the conductive son.
- the value of the resistance of the conducting wires is variable, for example as a function of the length of the wires or the installation conditions of the wires. son on the ground. Therefore, the magnitude of the current generated by the electronic detonator is variable and current sensing means in the control system must be adapted to detect currents with a wide range of amplitude values.
- the present invention aims to provide an electronic detonator generating signals to an associated control system so that the control system can be optimized.
- the present invention aims according to a first aspect an electronic detonator designed to be connected by means of two wires to an associated control system, the conductive son having a plastic material loaded and having a first resistance.
- the electronic detonator comprises control means and resistive means arranged between the two conducting wires, the resistive means having a second resistance, the value of the second resistance being determined by the control means so that the sum of the values of the first resistance and the second resistance is substantially equal to a predetermined value.
- the resistance formed by the resistance of the conductive wires and the resistance of the resistive means has a constant value and is not dependent on the length of the conductive wires or the installation conditions of the conductor wires in the field.
- the detection by the control system of the signals generated by the electronic detonator is thus optimized and more reliable.
- the resistive means comprise a MOS transistor.
- the electronic detonator comprises switching means arranged in series resistive means, the switching means may have a closed state in which the resistive means are connected to the two conductive son, or an open state in which the resistive means are disconnected at least one of the two conductive wires.
- the present invention relates, according to a second aspect, to an electronic detonation system comprising an electronic detonator according to the invention and an associated control system, the associated control system being connected to said at least one electronic detonator by means of two conducting wires. .
- control system comprises second switching means arranged between the two conductor wires, the switching means being able to have an open state in which the two conductor wires are not electrically connected, or a closed state in which the two wires Conductors are electrically connected.
- the present invention provides a method of compensating a resistance value in an electronic detonator, the electronic detonator being adapted to be connected by means of two lead wires to an associated control system, the lead wires comprising a filled plastic material having a first resistance.
- the electronic detonator comprising resistive means disposed between the two conductive wires and having a second resistance
- the method comprises determining the value of the second resistance so that the sum of the values of the first resistance and the second resistance is substantially equal to a predetermined value.
- the resistance formed by the resistance of the conductive wires and the resistive means has a constant value.
- this resistance value does not depend on the length of the conductive wires, nor the installation conditions of the conductors in the field.
- the length of the conductor son and / or the field installation conditions vary, the variation in the value of the resistance formed by the resistance of the conductive wires is compensated by the determination of the value of the second resistance. .
- the signals generated by the electronic detonator to the control system then have a constant amplitude and the detection of this amplitude in the control system is optimized and more reliable.
- the compensation method includes measuring the value of the first resistance.
- the measurement of the value of the first resistor comprises the application of a predetermined voltage on the two conductor wires, and the measurement of the current flowing through the two conductive wires when they are electrically connected to one another.
- the measurement of the value of the first resistor is implemented by control means in the electronic detonator.
- the measurement of the value of the first resistor is implemented by control means in the control system.
- the value of the first resistor is a predefined value.
- the compensation method is implemented by the electronic detonator when the control system issues a compensation command of a value of the resistance.
- the compensation command contains said predetermined value.
- the compensation command contains the predefined value.
- the compensation method comprises sending the predetermined value to the electronic detonator, the predetermined value being stored in storage means in the electronic detonator, the sending being implemented prior to the transmission of the compensation command.
- the compensation method comprises sending the predefined value to the electronic detonator, said predetermined value being stored in memory means in the memory. electronic detonator, the sending being implemented prior to the issue of the compensation command.
- the compensation method is implemented by the control system and further includes a step of setting the second resistance to a determined value.
- the electronic detonation system and the compensation method have features and advantages similar to those previously described in connection with the electronic detonator.
- FIG. 1 represents an electronic detonation system according to the invention
- FIG. 2 represents an electronic detonator according to the invention and an associated control system.
- the electronic detonation system 10 shown in FIG. 1 comprises a set of electronic detonators 1, 2, .... N.
- Each electronic detonator 1, 2, N is connected to a control system 20.
- the control system 20 is responsible in particular for supplying the electronic detonators 1, 2, .... N, to verify that they function properly and to manage their operation, for example to control their firing.
- control system 20 is configured to send signals to the electronic detonators 1, 2 N, for example firing or test signals.
- the electronic detonator 1, 2, ... N also generates signals to the control system 20. These signals are response signals to the control system 20, such as a signal informing the reception of a command or a signal in response to a test command sent by the control system 20 to verify the correct operation of the electronic detonator 1, 2, N.
- the control system 20 and the electronic detonators 1, 2, N communicate with each other by means of a communication bus 30.
- each electronic detonator 1, 2, N is connected in parallel to the communication bus 30 by means of two conductive wires a, b.
- each electronic detonator 1, 2, N is designed to be connected to the control system 20 by means of two conductive wires a, b and the communication bus 30.
- the communication bus 30 includes wires with a copper conductor.
- each electronic detonator 1, 2, ... N is connected directly to the control system 20 by means of two electrical wires a, b, that is to say that the electronic detonators 1, 2 , ... N do not communicate with the control systems 20 through a communication bus.
- the conductive wires comprise a charged plastic material.
- the conductive son a, b, corresponding to each electronic detonator 1, 2, N have a first resistance.
- the value of the first resistance is 70 Ohm / meter.
- Figure 2 shows a single electronic detonator 1 connected to a control system 20 associated.
- the electronic detonator 1 and the control system 20 are connected to each other by two conductive wires a, b.
- the electronic detonator 1 comprises control means 1 1 configured to manage the operation of the electronic detonator 1.
- the control means 11 receives commands from the control system 20 and controls the operation of the electronic detonator 1 as a function of the commands received and / or transmits response messages to the control system 20.
- the control means 1 1 comprise two input / output terminals 1 1 a, 1 1 b to which are connected the two conductive son a, b respectively.
- the electronic detonator 1 further comprises resistive means 12 arranged between the two input / output terminals 1 1a, 1 1b, that is to say arranged between the two conductors son a, b.
- the resistive means 12 have a second resistance, the value of this second resistor being variable and fixed by the control means 11.
- the control means 1 1 apply a signal to the resistive means 12 in order to fix its resistance to the value of the second resistor.
- the value of the second resistor has a value such that the sum of the value of the first resistor and the value of the second resistor is a predetermined value.
- the resistive means 12 comprise a MOS transistor.
- control means 1 1 apply a voltage to the resistive means 12 so as to fix its resistance to the value of the second resistor.
- the electronic detonator 1 further comprises first switching means 13 arranged in series resistive means 12, that is to say between the two electrical son a, b.
- the first switching means 13 may have a closed state or an open state.
- the resistive means 12 are connected to the conductive wires a, b.
- the resistive means 12 are disconnected from the electrical wires a, b.
- the first switching means 13 comprise a switch.
- the control means 1 1 are configured to control the state of the first switching means 13.
- the first switching means 13 are in the open state, that is to say that the resistive means 12 are by default disconnected from the conductive wires a, b.
- control means 11 control the closing of the first switching means 13.
- the control system 20 comprises a control module 21.
- the control module 21 is configured to manage the operation of the control system 20.
- the control module 21 generates and sends signals to the electronic detonator 1 and receives messages sent by the electronic detonator 1.
- control system 20 sends signals to the set of electronic detonators 1, 2 N and receives messages from the set of electronic detonators 1, 2 N.
- the control module 21 here comprises two input / output terminals 21a, 21b and second switching means 22 arranged between the two input / output terminals 21a, 21b.
- the two input / output terminals 21a, 21b of the control module 21 of the control system 20 are respectively connected to the two input / output terminals 11a and 11b of the control means 1 1 of the electronic detonator 1 respectively, by means of the two conductive wires a, b.
- the second switching means 22 have a closed state or an open state.
- the state of the second switching means 22 is controlled by the control module 21. It will be noted that when the second switching means 22 are in the closed state, the conductive wires a, b connecting the electronic detonator 1 and the control system 20, are short-circuited.
- the electronic detonator 1, and in particular the control means 11, are configured to implement the method of compensation of a resistance value according to the invention.
- the method is implemented in response to a compensation command received by the electronic detonator 1 and from the control system 20.
- This compensation command can be issued for example during the manufacture of an electronic detonator 1, or during the installation of an electronic detonation system comprising at least one electronic detonator 1 in the field.
- the compensation method results in establishing the total resistance (resistance formed by the resistance of the conductive wires a, b and the resistance of the resistive means 12) to a predetermined value.
- the predetermined value is sent in the compensation command.
- the predetermined value is stored in a memory of the electronic detonator 1 prior to the implementation of the compensation method.
- the predetermined value can be stored in a memory of the electronic detonator 1 during the manufacture of the electronic detonator 1.
- the predetermined value can be sent by the control system 20 to the electronic detonator 1, for example when powering the electronic detonation system once installed in the field.
- the second switching means 22 are controlled in the closed state by the control module 21 of the control system 20 when a compensation command is sent to the electronic detonator 1. As described above, once the second switching means 22 are in the closed state, the electronic detonator 1 is no longer powered by the control system 20 and is thus autonomous.
- the electronic detonator 1 When the electronic detonator 1 receives a compensation command, it implements the method of compensation of a resistance value.
- the value of the second resistance is determined as a function of the length of the conductive wires a, b connecting the electronic detonator 1 and the control system 20.
- the value of the second resistance is determined according to the length of the conductive wires a, b and the conditions of installation of the electronic detonation system on field.
- the method includes determining the value of the second resistance so that the sum of the values of the first resistance and the second resistance is substantially equal to a predetermined value.
- control means 11 control the resistive means 12 so that its resistance is set to the value of the second resistor.
- control means 1 1 apply a signal to the resistive means 12 so as to fix its resistance to the value of the second resistor.
- the control means 1 1 apply a voltage to the gate of the MOS transistor.
- the method includes measuring the value of the first resistance. To implement this measurement, the control module 1 1 of the electronic detonator 1 controls the opening of the first switching means 13. Thus, the resistive means 12 are disconnected from the conductive son a, b.
- conductor wires a, b are electrically connected to each other (in short circuit) at the second switching means 22 in the control system 20.
- the measurement step comprises a step of applying a predetermined voltage on the conductor wires a, b, followed by a step of measuring the current flowing through the conductive wires a, b, as well as the second switching means 22 (which are in a closed state).
- the step of applying a predetermined voltage is implemented by the control means 1 1 of the electronic detonator 1.
- control means 1 1 Once the control means 1 1 have determined the value of the first resistance (corresponding to the resistance of the conductive wires a, b), the control means 1 1 implement the determination of the value of the second resistance, the value of the second resistance being such that the sum of the values of the first resistance and the determined second resistance is substantially equal to the predetermined value.
- the value of the first resistance is determined as a function of the length of the conductive wires a, b without the need to implement measurements.
- the value of the first resistor is a predefined value.
- This predefined value can be stored in memory in correspondence with a length of the conductive wires a, b or determined according to the stored parameters in memory relating to the conductive wires a, b.
- the preset value can thus be addressed by the control system 20 to the electronic detonator 1 in the compensation control, this value then being stored in a memory of the electronic detonator 1.
- the electronic detonator 1 can receive a compensation command containing the predetermined value and the predefined value corresponding to the first resistor.
- the predefined value can be prerecorded in a memory of the electronic detonator 1 during the manufacture of the electronic detonator 1.
- the determination of the value of the second resistor can be implemented by the control system 20.
- control system 20 addresses a command setting the value of the second resistance to the determined value.
- This command to set the value of the second resistance to a determined value can be used during the manufacture of an electronic detonator or the installation of an electronic detonation system comprising at least one electronic detonator in the field.
- the measurement or determination of the value of the first resistor is carried out by the control means 21 of the control system 20.
- the value of the second resistance is determined by the control means 21 of the control system 20.
- the compensation method is implemented during manufacture electronic detonator. Indeed, when the value of the first resistance is not measured but determined, the determination of this value does not take into account the conditions of installation of the detonation system in the field, but only the length of conducting wires a, b.
- the second switching means 22 are located in the electronic detonator 1.
- control module of the electronic detonator controls the closing of the second switching means and the method is implemented.
- the value of the second resistance is determined for each electronic detonator 1, 2, ... NOT.
- the control system 20 sends nominal compensation commands to the electronic detonators 1, 2, ... N, that is to say that it sends a compensation command to each electronic detonator 1, 2, ... N individually.
- the compensation method is implemented in the set of electronic detonators 1, 2, ... N, sequentially.
- the rest of the electronic detonators 1, 2, ... N of the assembly can be put into a high impedance state, so as to reduce the electrical consumption of the electronic detonation system.
- control system can only address compensation commands to a single electronic detonator 1, 2, ... N at a time.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Air Bags (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1361781A FR3013827B1 (fr) | 2013-11-28 | 2013-11-28 | Detonateur electronique |
PCT/FR2014/052937 WO2015079142A1 (fr) | 2013-11-28 | 2014-11-17 | Détonateur électronique |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3074717A1 true EP3074717A1 (fr) | 2016-10-05 |
EP3074717B1 EP3074717B1 (fr) | 2019-06-19 |
Family
ID=50424425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14809936.9A Active EP3074717B1 (fr) | 2013-11-28 | 2014-11-17 | Détonateur électronique |
Country Status (11)
Country | Link |
---|---|
US (1) | US10041778B2 (fr) |
EP (1) | EP3074717B1 (fr) |
AU (1) | AU2014356322B2 (fr) |
CA (1) | CA2931566A1 (fr) |
CL (1) | CL2016001282A1 (fr) |
EA (1) | EA032113B1 (fr) |
FR (1) | FR3013827B1 (fr) |
MX (1) | MX357647B (fr) |
PE (1) | PE20161058A1 (fr) |
UA (1) | UA120042C2 (fr) |
WO (1) | WO2015079142A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108317918B (zh) * | 2018-03-29 | 2024-03-22 | 贵州盘江民爆有限公司 | 全自动电子雷管卡口、检测、赋码、激光编码生产线 |
CN114909965B (zh) * | 2022-04-15 | 2024-03-29 | 上海雷芯半导体有限公司 | 一种电子雷管起爆控制方法、起爆器及控制芯片 |
CN114646243B (zh) * | 2022-05-07 | 2023-06-23 | 浙江航芯科技有限公司 | 一种提高安全性的数码雷管起爆控制方法及系统 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2933653A (en) * | 1955-02-04 | 1960-04-19 | Du Pont | Blasting machine |
FR1363336A (fr) * | 1963-04-30 | 1964-06-12 | Davey Bickford Smith & Cie Sa | Ohmmètre statique et ses applications |
SE416349B (sv) * | 1976-05-18 | 1980-12-15 | Nitro Nobel Ab | Metod och anordning for initiering av elektriska sprengkapslar |
GB2121089B (en) * | 1982-06-03 | 1985-04-11 | Ici Plc | Apparatus for initiating explosions and method therefor |
US4454814A (en) * | 1982-07-07 | 1984-06-19 | Pengo Industries, Inc. | Select-fire systems and methods for perforating guns |
US4559875A (en) * | 1984-03-19 | 1985-12-24 | Quantic Industries, Inc. | High energy switching circuit for initiator means or the like and method therefor |
US4586437A (en) * | 1984-04-18 | 1986-05-06 | Asahi Kasei Kogyo Kabushiki Kaisha | Electronic delay detonator |
US4652876A (en) * | 1985-09-03 | 1987-03-24 | Mobil Oil Corporation | Remote switch position determination using constant current signaling |
WO1993005272A1 (fr) * | 1991-09-07 | 1993-03-18 | Phoenix Petroleum Services Ltd. | Appareil de transmission de signaux destines a un appareillage par des conducteurs d'alimentation |
FR2695719B1 (fr) * | 1992-09-17 | 1994-12-02 | Davey Bickford | Procédé de commande de détonateurs du type à module d'allumage électronique à retard intégré, ensemble codé de commande de tir et module d'allumage codé pour sa mise en Óoeuvre. |
DE19808987C1 (de) * | 1998-03-03 | 1999-11-11 | Siemens Ag | Verlustsymmetrierte Treiberschaltung aus MOS-Highside-/Lowside-Schaltern |
KR100616806B1 (ko) * | 2001-06-06 | 2006-08-29 | 세넥스 익스플로시브즈, 인코포레이티드 | 개별 지연된 뇌관들로 된 발파 회로의 기폭 시스템 |
EP1582418A1 (fr) * | 2004-03-30 | 2005-10-05 | Dialog Semiconductor GmbH | Appareil de contrôle pour un détonateur d'airbag |
WO2008006166A1 (fr) * | 2006-07-13 | 2008-01-17 | Orica Explosives Technology Pty Ltd | Élément électrique conducteur |
US8582275B2 (en) * | 2008-04-28 | 2013-11-12 | Beijing Ebtech Technology Co., Ltd. | Electronic detonator control chip |
KR101189451B1 (ko) | 2010-12-24 | 2012-10-09 | 엘지전자 주식회사 | 인버터 스택 |
-
2013
- 2013-11-28 FR FR1361781A patent/FR3013827B1/fr active Active
-
2014
- 2014-11-17 MX MX2016006829A patent/MX357647B/es active IP Right Grant
- 2014-11-17 EP EP14809936.9A patent/EP3074717B1/fr active Active
- 2014-11-17 EA EA201691116A patent/EA032113B1/ru not_active IP Right Cessation
- 2014-11-17 PE PE2016000686A patent/PE20161058A1/es active IP Right Grant
- 2014-11-17 UA UAA201606916A patent/UA120042C2/uk unknown
- 2014-11-17 US US15/039,445 patent/US10041778B2/en not_active Expired - Fee Related
- 2014-11-17 AU AU2014356322A patent/AU2014356322B2/en not_active Ceased
- 2014-11-17 WO PCT/FR2014/052937 patent/WO2015079142A1/fr active Application Filing
- 2014-11-17 CA CA2931566A patent/CA2931566A1/fr not_active Abandoned
-
2016
- 2016-05-26 CL CL2016001282A patent/CL2016001282A1/es unknown
Also Published As
Publication number | Publication date |
---|---|
WO2015079142A1 (fr) | 2015-06-04 |
FR3013827B1 (fr) | 2016-01-01 |
EP3074717B1 (fr) | 2019-06-19 |
FR3013827A1 (fr) | 2015-05-29 |
PE20161058A1 (es) | 2016-11-16 |
CL2016001282A1 (es) | 2016-12-16 |
AU2014356322A1 (en) | 2016-07-07 |
MX357647B (es) | 2018-07-11 |
EA201691116A1 (ru) | 2016-09-30 |
CA2931566A1 (fr) | 2015-06-04 |
US10041778B2 (en) | 2018-08-07 |
US20170003108A1 (en) | 2017-01-05 |
AU2014356322B2 (en) | 2018-02-15 |
UA120042C2 (uk) | 2019-09-25 |
EA032113B1 (ru) | 2019-04-30 |
MX2016006829A (es) | 2016-08-19 |
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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 |
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