CN113983872A - Laser magnetic field coupling initiation device and initiation method - Google Patents
Laser magnetic field coupling initiation device and initiation method Download PDFInfo
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- CN113983872A CN113983872A CN202111246887.9A CN202111246887A CN113983872A CN 113983872 A CN113983872 A CN 113983872A CN 202111246887 A CN202111246887 A CN 202111246887A CN 113983872 A CN113983872 A CN 113983872A
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- 230000000977 initiatory effect Effects 0.000 title claims abstract description 65
- 230000008878 coupling Effects 0.000 title claims abstract description 29
- 238000010168 coupling process Methods 0.000 title claims abstract description 29
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005474 detonation Methods 0.000 claims abstract description 64
- 239000002360 explosive Substances 0.000 claims abstract description 37
- 238000012545 processing Methods 0.000 claims abstract description 36
- 230000001939 inductive effect Effects 0.000 claims abstract description 4
- 229910000859 α-Fe Inorganic materials 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 10
- 230000005674 electromagnetic induction Effects 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 3
- 238000010248 power generation Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 230000037452 priming Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 20
- 230000008569 process Effects 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 6
- 238000005422 blasting Methods 0.000 description 14
- 238000011161 development Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
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- 238000005516 engineering process Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
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- 238000012356 Product development Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
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- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- WJZHMLNIAZSFDO-UHFFFAOYSA-N manganese zinc Chemical compound [Mn].[Zn] WJZHMLNIAZSFDO-UHFFFAOYSA-N 0.000 description 1
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- 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
- F42B3/113—Initiators therefor activated by optical means, e.g. laser, flashlight
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
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- Optics & Photonics (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a laser magnetic field coupling initiation device and an initiation method, belonging to the technical field of initiation equipment and comprising the following steps: the device comprises a signal receiving and processing device, a detonation laser generator, a magnetic field generator and an external power supply; one end of the signal receiving and processing device is connected with an external power supply in series, the other end of the signal receiving and processing device is respectively connected with a detonation laser generator and a magnetic field generator in series, and the detonation laser generator and the magnetic field generator are connected in parallel; the signal receiving and processing device is used for receiving the detonation signal; the detonation laser generator is used for generating pulse laser to ignite for detonation; and the magnetic field generator is used for inducing the detonation of the detonation charge in the charge hole in a resonance manner. The invention achieves ignition energy instantly through laser magnetic field coupling, does not contain initiating explosive, and has absolute safety in the production, transportation and assembly processes compared with the existing initiating equipment; does not contain any explosive materials, can realize full automation in the production process, and improves the production efficiency and the production safety.
Description
Technical Field
The invention relates to a laser magnetic field coupling initiation device and an initiation method, and belongs to the technical field of initiation equipment.
Background
With the development of the times, the blasting scale is continuously enlarged, the blasting process is continuously updated, the rapid development of blasting equipment is greatly stimulated, since the innovation is open, the blasting equipment in China is also rapidly developed, the product development is more active, the variety and the yield are rapidly increased, new products, new technologies, new processes and new equipment are continuously emerged, the demand of the traditional blasting equipment is increased due to the increase of the blasting engineering quantity, but the traditional blasting equipment such as a detonator is easily interfered by external weak signals such as static electricity and the like in the production and transportation processes, so that the misfiring is caused, and the danger is high.
The detonation equipment is an important component of civil blasting equipment, plays an important role in the modern construction of socialism in China, is widely applied to multiple fields of traffic, mining, coal, petroleum, metallurgy, chemical industry, building materials, water conservancy, electric power, forestry, urban construction and the like, and directly serves national economy construction, so the safety of the detonation equipment is an important problem.
Along with the continuous development of industrial blasting technology, novel initiating equipment is constantly researched and developed, wherein representative products have primer detonator, magnetoelectric detonator, impact sheet detonator, digital electronic detonator and the like, and currently, the state department of industry indicates that: the industrial detonator is developed towards the directions of safety, reliability, high precision, intelligence and environmental protection, so that the research on novel high-safety initiation equipment is imperative.
At present, the common initiating devices in China are detonating tubes, digital electronic detonators and the like, but the production processes of most detonator production enterprises are still manual or semi-automatic and are not completely separated from manual assistance, and no matter the production modes are manual, semi-automatic or full-automatic, the initiating explosive and the initiating explosive head are required to be assembled in the detonator, so that the potential safety hazard cannot be fundamentally solved.
Therefore, how to fundamentally enable the detonating device to have the advantages of accurate time control, quick response, safe production process, electromagnetic interference resistance and absolute safety in transportation process is the problem to be solved in the field of the current detonating devices.
Disclosure of Invention
The invention mainly aims to solve the defects of the prior art and provide a laser magnetic field coupling initiation device.
The purpose of the invention can be achieved by adopting the following technical scheme:
2. a laser magnetic field coupling initiation device, comprising: contain ferrite core, signal reception and treater, detonation laser generator, magnetic field generator and external power supply interconnecting link, magnetic field generator's inside is equipped with the charging hole, surround all around of charging hole and be equipped with a plurality of installations and be in the ferrite core of magnetic field generator inner wall, one side in charging hole is equipped with inserts the inside detonation laser generator of magnetic field generator, one side of magnetic field generator is equipped with signal reception and treater.
One end of the signal receiving and processing unit is connected with the external power supply connecting circuit in series, the other end of the signal receiving and processing unit is respectively connected with a detonation laser generator and a magnetic field generator in series, and the detonation laser generator is connected with the magnetic field generator in parallel;
the signal receiving and processing device is used for receiving the detonation signal;
the detonation laser generator is used for generating pulse laser to ignite for detonation;
the magnetic field generator is used for inducing the detonation of the detonation charge in the charge hole;
and the external power supply connecting circuit is used for supplying power to the pulse detonation laser generator and the magnetic field generator.
Preferably, the signal received by the signal receiving and processing device is through the following media: the laser ignition device comprises radio waves, remote laser and remote electromagnetic signals, wherein the detonation laser generator is used for laser pulse ignition and high-voltage alternating current coupling to achieve enough ignition energy.
Preferably, after the signal receiving and processing unit receives the detonation signal, the laser circuit and the magnetic field circuit form a channel, and pulse laser and a high-frequency alternating magnetic field are generated at the same time.
Preferably, the signal receiving and processing device comprises a radio wave receiver, the at least one instruction signal comprises a radio wave, and the signal receiving and processing device comprises an electromagnetic energy receiver, the electromagnetic energy receiver emitting ignition energy comprising electromagnetic energy.
Preferably, the signal receiving and processing device comprises an infrared light energy receiver, and the instruction signal of the infrared light energy receiver comprises an infrared laser.
Preferably, the signal receiving and processing device comprises an electromagnetic induction receiving device, the signal energy converted by the electromagnetic induction receiving device is electric energy, and the signal enables the parallel circuit to form a path.
Preferably, the magnetic field generator is a combined ferrite transformer core adopting a U shape and an I shape.
Preferably, the external power source is one of a capacitor, a rechargeable battery, a fuel cell, a micro nuclear power source and a power generation device.
A detonation method of a laser magnetic field coupling detonation device comprises the following steps:
step 1: installing explosive packages on a construction site or charging explosive in blast holes;
step 2: inserting the detonating end of the explosive package into the explosive loading hole of the detonating device;
and step 3: connecting an external power supply with a power supply pin of the detonating device;
and 4, step 4: the signal receiving and processing unit receives at least one command signal in the received detonation signal, and the device circuit forms a passage;
and 5: the laser generator and the magnetic field generator are charged to emit ignition energy, and the detonation is completed.
The invention has the beneficial technical effects that: according to the laser magnetic field coupling initiation device and the initiation method, the initiation signal is obtained by the following media: radio waves, remote laser and remote electromagnetic signals, and remote control detonation can be performed; the ignition energy is instantly achieved through laser magnetic field coupling, the ignition device does not contain initiating explosive, and compared with the existing initiating device, the ignition device has absolute safety in the production, transportation and assembly processes; the material does not contain any explosive material, can realize full automation in the production process, and improves the production efficiency and the production safety; the traditional detonation mode of detonating the explosive by the detonator is changed, non-contact detonation is realized, and the intrinsic safety in the engineering implementation process is achieved; the aim of green development is achieved due to the fact that the use of initiating explosive and delay powder which pollute the environment are avoided; in engineering construction, blasting network connection operation is simple and reliable, time and labor are saved, engineering efficiency is greatly improved, compared with a traditional detonating device, gas products and metal fragments harmful to the environment are not generated, and the requirement of the detonating equipment pointed out by the Ministry of industry and communications of China on development towards safe, reliable, high-precision, intelligent and environment-friendly directions is met.
Drawings
FIG. 1 is a schematic circuit connection diagram of a preferred embodiment of a laser magnetic field coupled initiation device according to the present invention;
FIG. 2 is a cross-sectional view of a magnetic field generator of a preferred embodiment of a laser magnetic field coupled initiation device in accordance with the present invention;
fig. 3 is a schematic view showing the overall construction of an initiating device according to a preferred embodiment of the laser magnetic field coupling initiating device of the present invention.
In the figure: 1-ferrite core, 2-charging hole, 3-detonation laser generator, 4-magnetic field generator, 5-signal receiving and processing unit and 6-external power supply connecting circuit.
Detailed Description
In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1 to fig. 3, the laser magnetic field coupling initiation device provided in this embodiment includes: contain ferrite core 2, signal reception and treater 5, initiation laser generator 3, magnetic field generator 4 and external power supply interconnecting link 6, magnetic field generator 4's inside is equipped with charge hole 2, charge hole 2 encircle all around and be equipped with a plurality of ferrite cores 1 of installing at magnetic field generator 4 inner wall, one side of charge hole 2 is equipped with the initiation laser generator 3 that inserts magnetic field generator 4 inside, one side of magnetic field generator 4 is equipped with signal reception and treater 5. One end of the signal receiving and processing device 5 is connected with a connecting line 6 of an external power supply connecting line in series, the other end of the signal receiving and processing device 5 is respectively connected with the detonation laser generator 3 and the magnetic field generator 4 in series, and the detonation laser generator 3 and the magnetic field generator 4 are connected in parallel; a signal receiving and processing unit 5 for receiving the detonation signal; the detonation laser generator 3 is used for generating pulse laser to ignite for detonation; the magnetic field generator 4 is used for inducing the detonation of the detonation charge in the charge hole 2; and an external power supply connecting line 6 for supplying power to the pulse detonation laser generator 3 and the magnetic field generator 4. The magnetic field generator contains a transformation iron core, after the signal receiver receives the signal, the switch is changed into a passage, the external supply current passes through the transformation iron core to generate high-frequency alternating magnetic flux, and the magnetic field and the laser act together to induce the explosive charge in the explosive charge hole to detonate in a resonance mode. The initiation signal is passed through the following medium: radio waves, remote laser and remote electromagnetic signals, and remote control detonation can be performed; the ignition energy is instantly achieved through laser magnetic field coupling, the ignition device does not contain initiating explosive, and compared with the existing initiating device, the ignition device has absolute safety in the production, transportation and assembly processes; the material does not contain any explosive material, can realize full automation in the production process, and improves the production efficiency and the production safety; the aim of green development is achieved due to the fact that the use of initiating explosive and delay powder which pollute the environment are avoided; in engineering construction, blasting network connection operation is simple and reliable, time and labor are saved, engineering efficiency is greatly improved, compared with a traditional detonating device, gas products and metal fragments harmful to the environment are not generated, and the requirement of the detonating equipment pointed out by the Ministry of industry and communications of China on development towards safe, reliable, high-precision, intelligent and environment-friendly directions is met.
The signal received by the signal receiving and processing unit 5 is through the following media: radio wave, remote laser and remote electromagnetic signal, the laser generator 3 is initiated for laser pulse ignition and high-voltage alternating current coupling, so as to achieve sufficient ignition energy. After the signal receiving and processing unit 5 receives the detonation signal, the laser circuit and the magnetic field circuit form a passage, and pulse laser and a high-frequency alternating magnetic field are generated at the same time. The signal receiving and processing unit 5 comprises a radio wave receiver, the at least one instruction signal comprises a radio wave, the signal receiving and processing unit 5 comprises an electromagnetic energy receiver, the electromagnetic energy receiver emitting ignition energy comprising electromagnetic energy. The signal receiving and processing unit 5 comprises an infrared light energy receiver, and the instruction signal of the infrared light energy receiver comprises an infrared laser. The signal receiving and processing unit 5 comprises an electromagnetic induction receiving device, the signal energy converted by the electromagnetic induction receiving device is electric energy, and the signal enables the parallel circuit to form a path. The magnetic field generator 4 adopts a U-shaped and I-shaped combined ferrite variable magnetic core. The external power supply is one of a capacitor, a rechargeable battery, a fuel cell, a micro nuclear power source and a power generation device.
A detonation method of a laser magnetic field coupling detonation device comprises the following steps:
step 1: installing explosive packages on a construction site or charging explosive in blast holes;
step 2: inserting the detonating end of the explosive package into the explosive loading hole 2 of the detonating device;
and step 3: connecting an external power supply with a power supply pin of the detonating device;
and 4, step 4: the signal receiving and processing device 5 receives at least one command signal in the received detonation signal, and the circuit of the device forms a passage;
and 5: the laser generator and the magnetic field generator 4 are charged to emit ignition energy, and the detonation is finished.
The initiating explosive device is ignited by instantaneous pulse laser and strong magnetic field. The method aims to break through the situation that the detonator is used as a common initiation device in engineering, fundamentally avoid the occurrence of false initiation accidents in the production, transportation and assembly processes of the initiation device, and ensure the safety, reliability and accuracy in the blasting engineering.
The laser magnetic field coupling explosive explosion initiation device provided by the invention adopts two different forms of energy, in order to realize accurate initiation, the two different forms of energy must be coupled and acted on external explosive, otherwise, the initiation device is in a safe mode.
The signal receiving and processing unit: the signal receiver may receive any form of energy suitable for wireless communication and wireless charging or powering, including but not limited to: electromagnetic energy, ultraviolet rays, radio waves, microwaves, and the like. After the receiver receives the signal, the processor converts the signal into an electric signal and transmits the electric signal to the line switch, so that the ignition circuit forms a passage.
Detonating the laser generator: after the signal receiver receives the initiation signal, the circuit is electrified, the pulse initiation laser generator generates pulse laser with the wavelength of 632nm, energy is transferred through the graphite optical fiber, the pulse laser directly acts on external explosive charging through the emission hole, and the laser and the chemical bonds of explosive substance molecules in the initiation explosive charge generate resonance to cause the result of chemical bond breakage, so that the explosive is induced to be initiated in resonance.
A magnetic field generator: after the ignition circuit is conducted, the external power supply provides high-frequency alternating current, the current acts on the magnetic core to generate a high-frequency alternating magnetic field, and the magnetic field and the laser act together to induce the detonation of the detonation charge in the charge hole in a resonance manner. The iron core is combined by a U-shaped iron core and an I-shaped iron core, and the material is a zinc-manganese ferrite magnetic core with the initial magnetic permeability mu of 2500 and ideal frequency characteristics.
External power supply: and after receiving the detonation signal, the circuit is conducted to supply power to the ignition circuit.
In summary, in this embodiment, according to the laser magnetic field coupling initiation device and the initiation method of this embodiment, the present invention provides a laser magnetic field coupling initiation device, which detonates an initiating explosive device by using a transient pulse laser and a strong magnetic field; the situation that the detonator is used as a common initiating device in engineering is broken through, and because the detonator does not contain initiating explosive, the accident of wrong initiation in the production, transportation and assembly processes of the initiating device is fundamentally avoided; the initiating explosive device is ignited by instantaneous pulse laser and strong magnetic field. The method aims to break through the traditional detonation mode of detonating explosives by detonators in the underground blasting engineering, realize physical isolation without initiating explosive and non-contact initiation, achieve intrinsic safety, fundamentally avoid the occurrence of false detonation accidents in the production, transportation and assembly processes of detonating equipment, and ensure safety, reliability and accuracy in blasting construction.
The above description is only for the purpose of illustrating the present invention and is not intended to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution of the present invention and its conception within the scope of the present invention.
Claims (9)
1. A laser magnetic field coupling initiation device, comprising: contain ferrite core (2), signal reception and treater (5), detonation laser generator (3), magnetic field generator (4) and external power supply interconnecting link (6), the inside of magnetic field generator (4) is equipped with charge hole (2), surround all around of charge hole (2) and be equipped with a plurality of the installation in the ferrite core (1) of magnetic field generator (4) inner wall, one side of charge hole (2) is equipped with the insertion the inside detonation laser generator (3) of magnetic field generator (4), one side of magnetic field generator (4) is equipped with signal reception and treater (5).
One end of the signal receiving and processing device (5) is connected with the connecting line (6) of the external power supply connecting line (6) in series, the other end of the signal receiving and processing device (5) is respectively connected with a detonation laser generator (3) and a magnetic field generator (4) in series, and the detonation laser generator (3) is connected with the magnetic field generator (4) in parallel;
a signal receiving and processing unit (5) for receiving the detonation signal;
the detonation laser generator (3) is used for generating pulse laser to ignite for detonation;
the magnetic field generator (4) is used for inducing the detonation of the detonation charge in the charge hole (2) in a resonance manner;
and the external power supply connecting line (6) is used for supplying power to the pulse detonation laser generator (3) and the magnetic field generator (4).
2. A laser magnetic field coupling initiation device according to claim 1, characterized in that the signal received by the signal receiving and processing unit (5) is through the following media: the detonation laser generator (3) is used for laser pulse ignition and high-voltage alternating current coupling to achieve enough ignition energy.
3. The laser magnetic field coupling initiation device according to claim 1, wherein after the signal receiving and processing unit (5) receives the initiation signal, the laser circuit and the magnetic field circuit form a passage, and pulse laser and high-frequency alternating magnetic field are generated simultaneously.
4. A laser magnetic field coupling initiation device according to claim 1, characterized in that the signal receiving and processing unit (5) comprises a radio wave receiver, the at least one command signal comprises a radio wave, the signal receiving and processing unit (5) comprises an electromagnetic energy receiver, and the ignition energy emitted by the electromagnetic energy receiver comprises electromagnetic energy.
5. A laser magnetic field coupling initiation device according to claim 1, characterized in that the signal receiving and processing unit (5) comprises an infrared optical energy receiver, the command signal of which comprises an infrared laser.
6. A laser magnetic field coupling initiation device according to claim 1, characterized in that the signal receiving and processing unit (5) comprises an electromagnetic induction receiving device, the signal energy converted by the electromagnetic induction receiving device is electric energy, and the signal enables the parallel circuit to form a circuit.
7. A laser magnetic field coupling priming device according to claim 1, wherein the magnetic field generator (4) is a combined ferrite transformer core of U-type and I-type.
8. The laser magnetic field coupling initiation device according to claim 1, wherein the external power source is one of a capacitor, a rechargeable battery, a fuel cell, a micro nuclear power source and a power generation device.
9. A detonation method of a laser magnetic field coupling detonation device is characterized by comprising the following steps:
step 1: installing explosive packages on a construction site or charging explosive in blast holes;
step 2: inserting the detonating end of the explosive package into the explosive loading hole (2) of the detonating device;
and step 3: connecting an external power supply with a power supply pin of the detonating device;
and 4, step 4: the signal receiving and processing unit (5) receives at least one command signal in the received detonation signal, and the circuit of the device forms a passage;
and 5: the laser generator and the magnetic field generator (4) are charged to emit ignition energy, and the detonation is completed.
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| CN202111246887.9A CN113983872B (en) | 2021-10-26 | 2021-10-26 | Laser magnetic field coupling detonation device and detonation method |
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| CN202111246887.9A CN113983872B (en) | 2021-10-26 | 2021-10-26 | Laser magnetic field coupling detonation device and detonation method |
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|---|---|---|---|---|
| US5423306A (en) * | 1993-10-22 | 1995-06-13 | Trigger, Deceased; Vernon A. | Internal plasma-combustion engine system |
| US5756924A (en) * | 1995-09-28 | 1998-05-26 | The Regents Of The University Of California | Multiple laser pulse ignition method and apparatus |
| CN1233314A (en) * | 1996-09-30 | 1999-10-27 | 马修·马克·贝比克 | Ignition by electromagnetic radiation |
| CN1548918A (en) * | 2003-05-05 | 2004-11-24 | 万金华 | Dynamic weapon engineering system for new amphiastral detonation |
| CN109712858A (en) * | 2018-12-28 | 2019-05-03 | 明建川 | Laser-microwave ion source |
| CN112299936A (en) * | 2020-11-06 | 2021-02-02 | 西南科技大学 | Preparation method and application of photo-thermal material for explosive laser detonation |
| CN113357967A (en) * | 2021-05-19 | 2021-09-07 | 西安交通大学 | Millisecond long wave-nanosecond short wave double-pulse laser ignition system |
-
2021
- 2021-10-26 CN CN202111246887.9A patent/CN113983872B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5423306A (en) * | 1993-10-22 | 1995-06-13 | Trigger, Deceased; Vernon A. | Internal plasma-combustion engine system |
| US5756924A (en) * | 1995-09-28 | 1998-05-26 | The Regents Of The University Of California | Multiple laser pulse ignition method and apparatus |
| CN1233314A (en) * | 1996-09-30 | 1999-10-27 | 马修·马克·贝比克 | Ignition by electromagnetic radiation |
| CN1548918A (en) * | 2003-05-05 | 2004-11-24 | 万金华 | Dynamic weapon engineering system for new amphiastral detonation |
| CN109712858A (en) * | 2018-12-28 | 2019-05-03 | 明建川 | Laser-microwave ion source |
| CN112299936A (en) * | 2020-11-06 | 2021-02-02 | 西南科技大学 | Preparation method and application of photo-thermal material for explosive laser detonation |
| CN113357967A (en) * | 2021-05-19 | 2021-09-07 | 西安交通大学 | Millisecond long wave-nanosecond short wave double-pulse laser ignition system |
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