CA2606797A1 - Power management of blasting lead-in system - Google Patents
Power management of blasting lead-in system Download PDFInfo
- Publication number
- CA2606797A1 CA2606797A1 CA002606797A CA2606797A CA2606797A1 CA 2606797 A1 CA2606797 A1 CA 2606797A1 CA 002606797 A CA002606797 A CA 002606797A CA 2606797 A CA2606797 A CA 2606797A CA 2606797 A1 CA2606797 A1 CA 2606797A1
- Authority
- CA
- Canada
- Prior art keywords
- blasting system
- detonator
- component
- blast
- energy source
- 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
- F42D5/00—Safety arrangements
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Safety Devices In Control Systems (AREA)
- Emergency Lowering Means (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Power Sources (AREA)
- Laser Surgery Devices (AREA)
Abstract
A blasting system (10) in which detonators (12) are connected to a blast energy source (30) by means of a component (42) which forms part of the blasting system (10) and which is physically movable to a safe position, visually ascertainable by an operator, at which detonator (12) firing cannot take place if an unwanted or unsafe condition arises in the blasting system (10).
Claims (10)
1. A blasting system which includes at least one detonator, a blast energy source, a connection between the blast energy source and the at least one detonator, and control equipment for controlling initiation of the at least one detonator by causing energy from the blast energy source to be supplied to the at least one detonator, and wherein at least one component of the blasting system is physically movable from an operative position to a safe position, which is visible by an operator, at which blast energy from the energy source cannot be supplied to the at least one detonator.
2. A blasting system according to claim 1 wherein the component is selected from the blast energy source and a link in the connection.
3. A blasting system according to claim 1 or 2 wherein the component is movable by means of a biasing mechanism which is held in a first state when a first acceptable set of conditions pertains in the blasting system and which is released to a second state when an unacceptable condition arises in the blasting system.
4. A blasting system according to claim 3 wherein, with the biasing mechanism in the second state, the component is in the safe position.
5. A blasting system according to any one of claims 1 to 4 wherein movement of the component to the safe position is due to at least one of the following:
(a) the elapsing of a predetermined period of time from a given starting time;
(b) the occurrence of a malfunction in the blasting system after communication was established on the connection by means of the control equipment; and (c) the occurrence of a malfunction in part or all of the control equipment.
(a) the elapsing of a predetermined period of time from a given starting time;
(b) the occurrence of a malfunction in the blasting system after communication was established on the connection by means of the control equipment; and (c) the occurrence of a malfunction in part or all of the control equipment.
6. A blasting system according to any one of claims 1 to 5 wherein the control equipment includes an upstream control unit and a downstream control unit which is closer to the at least one detonator than the upstream control unit and wherein the downstream unit is incapable of generating a blast command signal but can receive a blast command signal from the upstream control unit and transfer the blast command signal to the at least one detonator.
7. A blasting system in which detonators are connected to a blast energy source by means of a component which forms part of the blasting system and which is physically movable to a safe position, visually ascertainable by an operator, at which detonator firing cannot take place if an unwanted or unsafe condition arises in the blasting system.
8. A method of operating a blasting system which includes the steps of establishing a connection between a blast energy source and at least one detonator, and of physically moving a component of the blasting system from an operative position to a safe position, which is visible by an operator, at which blast energy from the energy source cannot be supplied to the at least one detonator when an unacceptable or unsafe condition arises in the blasting system.
9. A method according to claim 8 wherein the component is selected from the blast energy source and a link in the connection.
10. A method according to claim 8 or 9 wherein movement of the component to the safe position is caused or initiated by at least one of the following: the elapsing of a predetermined period of time from a given starting time; the occurrence of a malfunction after communication was established on the connection; and the occurrence of a malfunction in control equipment which is used to generate a blast command signal.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA200503721 | 2005-05-09 | ||
| ZA2005/03721 | 2005-05-09 | ||
| PCT/ZA2006/000050 WO2006122331A1 (en) | 2005-05-09 | 2006-04-04 | Power management of blasting lead-in system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2606797A1 true CA2606797A1 (en) | 2006-11-16 |
| CA2606797C CA2606797C (en) | 2012-08-21 |
Family
ID=36950273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2606797A Expired - Fee Related CA2606797C (en) | 2005-05-09 | 2006-04-04 | Power management of blasting lead-in system |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US20080245251A1 (en) |
| EP (1) | EP1880162B1 (en) |
| AR (1) | AR056659A1 (en) |
| AU (1) | AU2006243909B2 (en) |
| CA (1) | CA2606797C (en) |
| ES (1) | ES2565237T3 (en) |
| PE (1) | PE20061472A1 (en) |
| WO (1) | WO2006122331A1 (en) |
| ZA (1) | ZA200704583B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813445A (en) * | 2009-08-21 | 2010-08-25 | 北京维深数码科技有限公司 | Blasting system and detonation time control method thereof |
| BR112013001788A2 (en) * | 2010-09-06 | 2016-05-31 | Ael Mining Services Ltd | shock tube igniter |
| WO2012034137A1 (en) * | 2010-09-09 | 2012-03-15 | Detnet South Africa (Pty) Limited | Blasting arrangement |
| CA2923054C (en) * | 2013-09-03 | 2018-12-11 | Detnet South Africa (Pty) Limited | Detonator identification and timing assignment |
| US10468788B1 (en) * | 2017-08-16 | 2019-11-05 | National Technology & Engineering Solutions Of Sandia, Llc | Multi-dimensional cable shorting tool |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2042835B (en) * | 1979-02-03 | 1983-08-17 | Solartron Electronic Group | Pyrotechnic devices and systems and firing circuits therefor |
| US4727809A (en) * | 1985-12-06 | 1988-03-01 | The Marconi Company Limited | Detonation safety mechanism |
| US4884506A (en) * | 1986-11-06 | 1989-12-05 | Electronic Warfare Associates, Inc. | Remote detonation of explosive charges |
| GB8901081D0 (en) * | 1989-01-18 | 1989-09-20 | Marconi Co Ltd | Explosive mine |
| US6490977B1 (en) * | 1998-03-30 | 2002-12-10 | Magicfire, Inc. | Precision pyrotechnic display system and method having increased safety and timing accuracy |
| 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 |
| US6374739B1 (en) * | 2000-06-16 | 2002-04-23 | The United States Of America As Represented By The Secretary Of The Navy | Lockable electro-optical high voltage apparatus and method for slapper detonators |
| US6732656B1 (en) * | 2002-09-16 | 2004-05-11 | The United States Of America As Represented By The Secretary Of The Air Force | High voltage tolerant explosive initiation |
-
2006
- 2006-04-04 EP EP06760753.1A patent/EP1880162B1/en not_active Not-in-force
- 2006-04-04 US US11/817,579 patent/US20080245251A1/en not_active Abandoned
- 2006-04-04 AU AU2006243909A patent/AU2006243909B2/en not_active Ceased
- 2006-04-04 WO PCT/ZA2006/000050 patent/WO2006122331A1/en active Application Filing
- 2006-04-04 ES ES06760753.1T patent/ES2565237T3/en active Active
- 2006-04-04 CA CA2606797A patent/CA2606797C/en not_active Expired - Fee Related
- 2006-04-24 AR ARP060101628A patent/AR056659A1/en active IP Right Grant
- 2006-05-05 PE PE2006000479A patent/PE20061472A1/en not_active Application Discontinuation
-
2007
- 2007-06-27 ZA ZA200704583A patent/ZA200704583B/en unknown
-
2009
- 2009-08-07 US US12/537,530 patent/US20090293751A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US20090293751A1 (en) | 2009-12-03 |
| ES2565237T3 (en) | 2016-04-01 |
| US20080245251A1 (en) | 2008-10-09 |
| AU2006243909A1 (en) | 2006-11-16 |
| AR056659A1 (en) | 2007-10-17 |
| EP1880162B1 (en) | 2016-01-13 |
| PE20061472A1 (en) | 2007-01-16 |
| AU2006243909B2 (en) | 2011-03-10 |
| EP1880162A1 (en) | 2008-01-23 |
| CA2606797C (en) | 2012-08-21 |
| WO2006122331A1 (en) | 2006-11-16 |
| ZA200704583B (en) | 2008-08-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20220301 |
|
| MKLA | Lapsed |
Effective date: 20200831 |