CN113983872B - Laser magnetic field coupling detonation device and detonation method - Google Patents
Laser magnetic field coupling detonation device and detonation method Download PDFInfo
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- CN113983872B CN113983872B CN202111246887.9A CN202111246887A CN113983872B CN 113983872 B CN113983872 B CN 113983872B CN 202111246887 A CN202111246887 A CN 202111246887A CN 113983872 B CN113983872 B CN 113983872B
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- 238000010168 coupling process Methods 0.000 title claims abstract description 21
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 21
- 230000000977 initiatory effect Effects 0.000 claims abstract description 56
- 239000002360 explosive Substances 0.000 claims abstract description 40
- 238000012545 processing Methods 0.000 claims abstract description 31
- 230000001939 inductive effect Effects 0.000 claims abstract description 4
- 229910000859 α-Fe Inorganic materials 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 9
- 239000003814 drug Substances 0.000 claims description 6
- 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
- 238000004519 manufacturing process Methods 0.000 abstract description 20
- 230000008569 process Effects 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 5
- 238000005422 blasting Methods 0.000 description 11
- 238000011161 development Methods 0.000 description 8
- 239000000843 powder Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000012356 Product development Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
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- 230000004907 flux Effects 0.000 description 1
- 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
- 238000005272 metallurgy Methods 0.000 description 1
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Classifications
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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
Abstract
The invention discloses a laser magnetic field coupling initiation device and an initiation method, which belong to the technical field of initiation equipment and comprise 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 unit is connected with an external power supply in series, and the other end of the signal receiving unit 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 ignition for detonation; and the magnetic field generator is used for inducing the resonance initiation of the initiating explosive in the charging hole. 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; the method does not contain any explosive material, 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 continuous expansion of the blasting scale and the continuous update of the blasting process greatly stimulate the rapid development of blasting equipment, the development of the detonation equipment in China is rapid since the innovation is opened, the product development is more active, the variety and the yield are faster, new products, new technology, new process and new equipment are continuously developed, the increasing of the blasting engineering quantity enables the demand of the traditional detonation equipment to be larger and larger, but the traditional detonation equipment such as a detonator is easily interfered by external weak signals such as static electricity in the production and transportation processes, so that the false ignition is caused, and the risk is higher.
The detonation equipment is an important component of civil explosive equipment, and the civil explosive equipment plays an important role in modern construction of societies in China, and is widely used in various 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 that the safety of the detonation equipment is an important problem.
With the continuous development of industrial blasting technology, new detonation equipment is continuously developed, wherein representative products include a primer detonator, a magneto-electric detonator, an impact piece detonator, a digital electronic detonator and the like, and currently, the national ministry of industrial information indicates that: industrial detonators are developed in the direction of safety, reliability, high precision, intelligence and environmental protection, so that research on novel detonating devices with high safety is imperative.
At present, the common detonating devices in China are detonating tubes, digital electronic detonators and the like, but the production process of most detonator production enterprises is still manual or semi-automatic, is not completely separated from manual assistance, and is a manual, semi-automatic or fully-automatic production mode, the detonating powder and the initiating powder head are required to be assembled in the detonators, so that potential safety hazards cannot be fundamentally solved.
Therefore, how to fundamentally enable the detonation equipment to have accurate time control, quick response, safe production process, electromagnetic interference resistance and absolute safety in the transportation process is a problem to be solved in the field of the detonation equipment at present.
Disclosure of Invention
The invention mainly aims to solve the defects in the prior art and provides a laser magnetic field coupling detonating device.
The aim of the invention can be achieved by adopting the following technical scheme:
2. a laser magnetic field coupled initiation device comprising: the explosive charging device comprises a ferrite core, a signal receiving and processing unit, an initiation laser generator, a magnetic field generator and an external power supply connecting circuit, wherein an explosive charging hole is formed in the magnetic field generator, a plurality of ferrite cores which are installed on the inner wall of the magnetic field generator are arranged around the explosive charging hole, the initiation laser generator which is inserted into the magnetic field generator is arranged on one side of the explosive charging hole, and the signal receiving and processing unit is arranged on one side of the magnetic field generator.
One end of the signal receiving and processing unit is connected with the external power supply connecting line 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 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 ignition for detonation;
the magnetic field generator is used for inducing the resonance initiation of the initiating explosive in the charging hole;
and an external power supply connection line 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 processor is through the following media: the detonation laser generator is formed by laser pulse ignition and high-voltage alternating current coupling, so that enough ignition energy is achieved.
Preferably, after the signal receiving and processing unit receives the initiation signal, the laser circuit and the magnetic field circuit form a passage, and pulse laser and a high-frequency alternating magnetic field are generated simultaneously.
Preferably, the signal receiving and processor includes a radio wave receiver, the at least one instruction signal includes a radio wave, the signal receiving and processor includes an electromagnetic energy receiver, and the ignition energy emitted by the electromagnetic energy receiver includes 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 channel.
Preferably, the magnetic field generator adopts a U-shaped and I-shaped combined ferrite transformer core.
Preferably, 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: placing a medicine bag on a construction site or loading the medicine bag in a blast hole;
step 2: inserting the initiation end of the explosive charge into the charge hole of the initiating device;
step 3: connecting an external power supply with a power supply leg wire of the detonating device;
step 4: the signal receiving and processing unit receives at least one instruction signal in the received detonating signal, and the device circuit forms a passage;
step 5: the laser generator charges with the magnetic field generator, emits ignition energy and completes detonation.
The beneficial technical effects of the invention are as follows: according to the laser magnetic field coupling initiation device and the initiation method, the initiation signal of the invention passes through the following media: radio waves, long-distance laser and long-distance electromagnetic signals, and long-distance remote control detonation can be performed; the ignition energy is instantaneously achieved through the coupling of the laser magnetic field, and the ignition device does not contain detonating powder, and has absolute safety in the production, transportation and assembly processes compared with the existing detonating device; 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 detonation mode of the traditional detonator detonating explosive is changed, non-contact detonation is realized, and the intrinsic safety in the engineering implementation process is achieved; the primary explosive and the delay charge which are used and pollute the environment are avoided, so that the purpose of green development is achieved; in engineering construction, the blasting network connection operation is simple and reliable, time and labor are saved, the engineering efficiency is greatly improved, compared with the traditional detonating device, the blasting network connection device does not generate gas products and metal fragments harmful to the environment, and meets the requirements of the national ministry of industrial information on the development of detonating equipment in the safe, reliable, high-precision, intelligent and environment-friendly directions.
Drawings
FIG. 1 is a schematic diagram of the circuit connections 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 according to the present invention;
FIG. 3 is a schematic view of the overall structure of a detonation device of a preferred embodiment of a laser magnetic field coupled detonation device in accordance with the present invention.
In the figure: the device comprises a 1-ferromagnetic core, a 2-charging hole, a 3-detonation laser generator, a 4-magnetic field generator, a 5-signal receiving and processing unit and a 6-external power supply connecting circuit.
Detailed Description
In order to make the technical solution of the present invention more clear and obvious to those skilled in the art, the present invention will be described in further detail with reference to examples and drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1 to 3, the laser magnetic field coupling initiation device provided in this embodiment includes: the explosive charging device comprises a ferrite core 2, a signal receiving and processing unit 5, an initiating laser generator 3, a magnetic field generator 4 and an external power supply connecting circuit 6, wherein an explosive charging hole 2 is formed in the magnetic field generator 4, a plurality of ferrite cores 1 which are arranged on the inner wall of the magnetic field generator 4 are arranged around the explosive charging hole 2, the initiating laser generator 3 which is inserted into the magnetic field generator 4 is arranged on one side of the explosive charging hole 2, and the signal receiving and processing unit 5 is arranged on one side of the magnetic field generator 4. One end of the signal receiving and processing unit 5 is connected in series with an external power supply connecting circuit 6 and a connecting circuit 6, the other end of the signal receiving and processing unit 5 is respectively connected in series with a detonation laser generator 3 and a magnetic field generator 4, 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 ignition for detonation; a magnetic field generator 4 for inducing resonance initiation of the primary explosive in the charge hole 2; an external power connection 6 for powering the pulse detonation laser generator 3 and the magnetic field generator 4. The magnetic field generator comprises a transformer core, the signal receiver receives signals, the switch is changed into a passage, and current is supplied to the outside through the transformer core to generate high-frequency alternating magnetic flux, and the magnetic field and the laser jointly act to induce the resonance initiation of the initiating explosive in the explosive charging hole. The initiation signal is through the following media: radio waves, long-distance laser and long-distance electromagnetic signals, and long-distance remote control detonation can be performed; the ignition energy is instantaneously achieved through the coupling of the laser magnetic field, and the ignition device does not contain detonating powder, and has absolute safety in the production, transportation and assembly processes compared with the existing detonating device; 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 primary explosive and the delay charge which are used and pollute the environment are avoided, so that the purpose of green development is achieved; in engineering construction, the blasting network connection operation is simple and reliable, time and labor are saved, the engineering efficiency is greatly improved, compared with the traditional detonating device, the blasting network connection device does not generate gas products and metal fragments harmful to the environment, and meets the requirements of the national ministry of industrial information on the development of detonating equipment in the safe, reliable, high-precision, intelligent and environment-friendly directions.
The signals received by the signal receiving and processing unit 5 are transmitted 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. 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 a high-frequency alternating magnetic field are generated at the same time. The signal receiving and processor 5 comprises a radio wave receiver, the at least one instruction signal comprising a radio wave, the signal receiving and processor 5 comprises an electromagnetic energy receiver, and the ignition energy emitted by the electromagnetic energy receiver comprises electromagnetic energy. The signal receiving and processor 5 comprises an infrared light energy receiver, the command signal of which 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 passage. The magnetic field generator 4 adopts a U-shaped and I-shaped combined ferrite transformer 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: placing a medicine bag on a construction site or loading the medicine bag in a blast hole;
step 2: inserting the initiation end of the explosive charge into the charging hole 2 of the initiating device;
step 3: connecting an external power supply with a power supply leg wire of the detonating device;
step 4: the signal receiving and processing unit 5 receives at least one instruction signal in the received detonating signal, and the device circuit forms a passage;
step 5: the laser generator charges with the magnetic field generator 4, emits ignition energy and completes detonation.
The initiating explosive device is detonated by the instantaneous pulse laser and the strong magnetic field. The explosion-proof detonator is used as a common explosion-proof device in engineering, so that false explosion accidents in the production, transportation and assembly processes of the explosion-proof device are fundamentally avoided, and the safety, reliability and accuracy in explosion engineering are ensured.
The laser magnetic field coupling explosive explosion initiation device provided by the invention adopts two different forms of energy, so that the two different forms of energy must be coupled to act on external charges for accurate initiation, otherwise, the initiation device is in a safe mode.
Signal reception and processor: the signal receiver may receive any suitable form of power for wireless communication and wireless charging or powering, including but not limited to: electromagnetic energy, ultraviolet light, 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.
Detonation laser generator: after the signal receiver receives the detonation signal, the circuit is electrified, the pulse detonation laser generator generates pulse laser with the wavelength of 632nm, the pulse laser is transmitted through the graphite optical fiber and directly acts on the external charge through the firing hole, and the laser resonates with chemical bonds of explosive substances in the detonation cartridge to cause the breaking of the chemical bonds, so as to induce the resonance detonation of the explosive.
Magnetic field generator: after the ignition circuit is conducted, an external power supply supplies 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 work together to induce the resonance initiation of the initiating explosive in the charging hole. The iron core is composed of U-shaped and I-shaped iron cores, and is made of zinc-manganese ferrite magnetic cores with initial permeability mu of 2500 and ideal frequency characteristics.
An external power supply: after receiving the detonation signal, the circuit is conducted to supply power for 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 purpose of the present invention is to provide a laser magnetic field coupling initiation device, which initiates initiating explosive devices through instantaneous pulse laser and strong magnetic field; the situation that the detonator is used as a common detonating device in engineering is broken, and because the detonator does not contain the initiating explosive, the false detonating accident in the production, transportation and assembly processes of the detonating device is fundamentally avoided; the initiating explosive device is detonated by the instantaneous pulse laser and the strong magnetic field. The method aims at breaking the traditional detonating mode of detonating the explosive by the detonator in the underground blasting engineering, has no detonating explosive and non-contact detonation, realizes physical isolation, achieves intrinsic safety, fundamentally avoids false detonation accidents in the production, transportation and assembly processes of detonating equipment, and ensures the safety, reliability and accuracy in blasting construction.
The above description is merely a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art will be able to apply equivalents and modifications according to the technical solution and the concept of the present invention within the scope of the present invention disclosed in the present invention.
Claims (7)
1. A laser magnetic field coupled initiation device, comprising: the explosive charging device comprises a ferrite magnetic core (1), a signal receiving and processing unit (5), an initiating laser generator (3), a magnetic field generator (4) and an external power supply connecting circuit (6), wherein an explosive charging hole (2) is formed in the magnetic field generator (4), a plurality of ferrite magnetic cores (1) which are installed on the inner wall of the magnetic field generator (4) are arranged around the explosive charging hole (2), the initiating laser generator (3) which is inserted into the magnetic field generator (4) is arranged on one side of the explosive charging hole (2), and the signal receiving and processing unit (5) is arranged on one side of the magnetic field generator (4);
one end of the signal receiving and processing unit (5) is connected in series with the external power supply connecting line (6), the other end of the signal receiving and processing unit (5) is respectively connected in series with a detonation laser generator (3) and a magnetic field generator (4), 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 ignition for detonation; the magnetic field generator (4) is used for inducing the resonance initiation of the initiating explosive in the charging hole (2); an external power supply connection (6) for powering the detonation laser generator (3) and the magnetic field generator (4);
the detonation method of the laser magnetic field coupling detonation device comprises the following steps:
step 1: placing a medicine bag on a construction site or loading the medicine bag in a blast hole;
step 2: inserting the initiation end of the explosive charge into the charging hole (2) of the initiating device;
step 3: connecting an external power supply with a power supply leg wire of the detonating device;
step 4: the signal receiving and processing unit (5) receives at least one instruction signal in the received detonating signals, and the device circuit forms a passage;
step 5: the laser generator and the magnetic field generator (4) are charged, and the ignition energy is emitted to finish detonation;
the signal received by the signal receiving and processing device (5) is transmitted through the following media: the detonation laser generator (3) is formed by laser pulse ignition and high-voltage alternating current coupling, so that enough ignition energy is achieved.
2. The laser magnetic field coupling initiation device according to claim 1, wherein the laser circuit and the magnetic field circuit form a path after the signal receiving and processing unit (5) receives the initiation signal, and generate the pulse laser and the high frequency alternating magnetic field.
3. A laser magnetic field coupled detonation device according to claim 1, wherein the signal receiving and processor (5) comprises a radio wave receiver, the at least one instruction signal comprising a radio wave, the signal receiving and processor (5) comprises an electromagnetic energy receiver, the ignition energy emitted by the electromagnetic energy receiver comprising electromagnetic energy.
4. A laser magnetic field coupled detonation device according to claim 1, characterised in that the signal receiving and processor (5) comprises an infrared light energy receiver, the instruction signal of which comprises an infrared laser.
5. A laser magnetic field coupled detonation device according to claim 1, wherein the signal receiving and processing means (5) comprises an electromagnetic induction receiving means, the signal energy converted by the electromagnetic induction receiving means being electrical energy, the signal causing the parallel circuit to form a path.
6. A laser magnetic field coupled detonation device according to claim 1, wherein the magnetic field generator (4) is a combined ferrite transformer core of the U-type and I-type.
7. The laser magnetic field coupling initiation device of 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.
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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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| CN113983872B true CN113983872B (en) | 2023-10-31 |
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| 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 |
| GB9620318D0 (en) * | 1996-09-30 | 1996-11-13 | Bebich Matthew | New ignition system and related engine components |
| CN1548918A (en) * | 2003-05-05 | 2004-11-24 | 万金华 | Double-star system blasting weapon dynamic engineering system |
| CN109712858B (en) * | 2018-12-28 | 2022-06-28 | 明建川 | Laser microwave ion source |
| CN112299936B (en) * | 2020-11-06 | 2021-09-17 | 西南科技大学 | Preparation method and application of photo-thermal material for explosive laser detonation |
| CN113357967B (en) * | 2021-05-19 | 2023-04-07 | 西安交通大学 | Millisecond long wave-nanosecond short wave double-pulse laser ignition system |
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