CN112414231B - Distributed warhead-based multipoint detonation safety system and control method thereof - Google Patents
Distributed warhead-based multipoint detonation safety system and control method thereof Download PDFInfo
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- CN112414231B CN112414231B CN202011252948.8A CN202011252948A CN112414231B CN 112414231 B CN112414231 B CN 112414231B CN 202011252948 A CN202011252948 A CN 202011252948A CN 112414231 B CN112414231 B CN 112414231B
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- warhead
- explosion
- explosive
- substrate
- sliding block
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
- F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
- F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
- F42B12/20—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
- F42B12/208—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type characterised by a plurality of charges within a single high explosive warhead
Abstract
The invention discloses a distributed warhead-based multipoint detonation safety system and a control method thereof. The explosion-proof slide block is driven to rotate by the rotating motor, the control circuit controls the motor to rotate by a fixed angle, so that the explosion-proof slide block explosion transfer hole rotates to the position of the warhead explosive charge consistent with the direction of the striking target and is aligned with the corresponding substrate explosion transfer hole, and the corresponding warhead explosive charge is aligned with the micro initiating explosive through the next-stage explosive charge; detonating the micro initiating explosive, detonating the corresponding warhead charges through the next-stage charges, finally detonating all the warhead charges, controlling the direction of the initiation according to the direction of the target, and realizing the maximum damage capability to the selected side; the invention has the function of realizing the control of the multi-point high-precision damaged target according to the target position, and meets the urgent requirement of the generalization of a multi-point directional warhead detonation control module; meanwhile, the working safety and reliability of the system are improved.
Description
Technical Field
The invention relates to a distributed warhead control technology, in particular to a distributed warhead-based multipoint detonation safety system and a control method thereof.
Background
Modern weapon ammunition develops towards the direction of directional warhead, multimode warhead, and the detonator realizes that many high accuracy, high-efficient damage control make ammunition can accurate strike the target and cause the biggest damage efficiency has become the main research scheme of numerous research organizations, realizes the function of many high accuracy damage control, satisfies the urgent need that many directional warhead initiation control module universalization has important meaning. The damage of ammunition to the target is killed and destroyed through explosion pressure and fragments, and the warhead is not always capable of causing the maximum damage efficiency to the target in the center of the projectile body, so that an eccentric warhead is designed, and the ammunition of the warhead deviates from the center of the projectile body and deviates to one side of the position of hitting the target. And aiming at a multi-target environment, the distributed warhead multi-point detonation can detonate warheads at different positions according to the direction of a striking target deviating from the center of a projectile body so as to achieve the maximum damage efficiency.
Disclosure of Invention
The invention provides a distributed warhead-based multipoint detonation safety system and a control method thereof, in order to not influence the safety of a fuse and the action reliability of a solution control system.
One object of the present invention is to propose a distributed warhead based multipoint detonation safety system.
The warhead comprises a projectile body, a loading bin, a warhead charge and a next-stage charge; the projectile body is internally provided with a cylindrical space, n explosive loading bins which are centrosymmetrically distributed around a central shaft are arranged in the projectile body, and the explosive loading bins are internally filled with warhead explosive; the multipoint detonation safety system based on the distributed warhead is arranged at the bottom of a projectile body, and n is a natural number not less than 2.
The invention discloses a multipoint detonation safety system based on a distributed warhead, which comprises: the explosion-proof device comprises a substrate, a substrate explosion-transmitting hole, an explosion-proof sliding block explosion-transmitting hole, a micro initiating explosive, a rotating shaft, a rotating motor, a recoil limit pin, a limit groove, a limit hole, a control circuit and a wireless information transmission unit; the bottom end of the projectile body is provided with a circular plate-shaped substrate, the lower surface of the substrate is connected with the bottom end of the projectile body, and the explosive loading bin and the warhead explosive loading in the explosive loading bin are packaged; n centrosymmetric perforated substrate explosion transfer holes are formed in the substrate, and each substrate explosion transfer hole is provided with a next-stage explosive charge which corresponds to each explosive charge bin; the upper surface of the substrate is provided with an explosion-proof sliding block, and the area of the explosion-proof sliding block is larger than that of the substrate explosion transfer hole; an explosion-proof slide block explosion transfer hole is formed in the explosion-proof slide block, and micro initiating explosive is filled in the explosion transfer hole of the explosion-proof slide block; a rotating shaft is arranged in the center of the substrate and is positioned on the central shaft; one end of the rotating shaft is connected with the rotating motor, and the other end of the rotating shaft is fixedly connected with the vertex of the explosion-proof sliding block; the rotating motor is connected to the control circuit, and the control circuit is connected to the wireless information transmission unit; the upper surface of the substrate is provided with a limiting groove, a recoil limiting pin is arranged in the limiting groove, the recoil limiting pin is in an inverted truncated cone shape or an inverted cone shape, the diameter of the top end of the recoil limiting pin is larger than that of the limiting groove, the diameter of the bottom end of the recoil limiting pin is smaller than that of the limiting groove, and the height of the recoil limiting pin is not larger than the depth of the limiting groove; a spacing hole is formed in the flame-proof sliding block, and the inner diameter of the spacing hole is not smaller than the diameter of the top end of the recoil spacing pin; before the warhead is launched, the top end of the recoil limiting pin is exposed out of the upper surface of the substrate, and the upper surface of the recoil limiting pin exceeds the lower surface of the explosion-proof sliding block and extends into a limiting hole of the explosion-proof sliding block to limit the position of the explosion-proof sliding block; when the warhead launches, the recoil force enables the recoil limiting pin to move in the reverse direction of the recoil force, and the recoil limiting pin is sunk into the limiting groove and fixed in the limiting groove to release the constraint on the explosion-proof sliding block; according to the relative direction of the target and the warhead, the ground station control console sends instruction information to the control circuit, and the wireless information transmission unit receives the instruction information, processes the instruction information and sends the instruction information to the control circuit, and selects the warhead in the corresponding direction to charge, so as to achieve the maximum damage efficiency; the control circuit controls the rotating motor to rotate and drives the explosion-proof sliding block to rotate and controls the motor to rotate by a fixed angle, so that the explosion-proof sliding block explosion transfer hole rotates to the position of the warhead explosive charge consistent with the direction of the striking target and is aligned with the corresponding substrate explosion transfer hole, and at the moment, the corresponding warhead explosive charge is aligned with the micro initiating explosive through the next-stage explosive charge; the control circuit detonates the miniature initiating explosive, corresponding warhead explosive is detonated through the next-stage explosive, all warhead explosive is finally detonated, the initiation direction is controlled according to the direction of the target, and the maximum damage capability to the selected side is realized.
The substrate is a nickel substrate with a thickness of 300-400 μm. The thickness of the flame-proof sliding block is 130-170 mu m.
The rotating shaft comprises a first rotating shaft, a shaft sleeve and a second rotating shaft; the first rotating shaft and the second rotating shaft are coaxially connected, and a shaft sleeve is sleeved outside the joint of the first rotating shaft and the second rotating shaft; the top ends and the bottom ends of the first rotating shaft and the second rotating shaft are respectively connected with the rotating motor and the top points of the explosion-proof sliding blocks.
The flame-proof sliding block is fan-shaped, the vertex of the fan shape is positioned on the central shaft, and the opening angle of the fan shape is not more than 360 degrees/n.
The power of the rotating motor is 20W-30W.
The control component shell is in a cylinder shape with an opening at the top end and a bottom surface; the substrate, the substrate explosion transfer hole, the explosion-proof sliding block explosion transfer hole, the micro initiating explosive, the rotating shaft, the rotating motor, the recoil limit pin, the limit groove, the control circuit and the wireless information transmission unit are arranged in the control component shell; the top end of the control component shell is connected with the bottom end surface of the projectile body of the warhead; the outer diameter of the control member housing coincides with the outer diameter of the projectile body.
Another objective of the present invention is to provide a method for implementing a distributed warhead-based multi-point detonation safety system.
The invention discloses a method for realizing a multipoint detonation safety system based on a distributed warhead, which comprises the following steps:
1) before the warhead is launched, the top end of the recoil limiting pin is exposed out of the upper surface of the substrate and extends into a limiting hole of the explosion-proof sliding block to limit the position of the explosion-proof sliding block;
2) when the warhead launches, the recoil force enables the recoil limiting pin to move in the reverse direction of the recoil force, and the recoil limiting pin is sunk into the limiting groove and fixed in the limiting groove to release the constraint on the explosion-proof sliding block;
3) selecting the warhead charge in the corresponding direction according to the relative direction of the target and the warhead to achieve the maximum damage efficiency;
4) the control circuit controls the rotating motor to rotate and drives the explosion-proof sliding block to rotate, so that the explosion-proof sliding block explosion transfer hole rotates to a warhead explosive loading position consistent with the direction of a striking target and is aligned with the corresponding substrate explosion transfer hole, and at the moment, the corresponding warhead explosive loading is aligned with the micro initiating explosive through next-stage explosive loading;
5) the control circuit detonates the miniature initiating explosive, corresponding warhead explosive is detonated through the next-stage explosive, all warhead explosive is finally detonated, the initiation direction is controlled according to the direction of the target, and the maximum damage capability to the selected side is realized.
The invention has the advantages that:
the invention has the function of realizing the control of the multi-point high-precision damaged target according to the target position, and meets the urgent requirement of the generalization of a multi-point directional warhead detonation control module; meanwhile, the working safety and reliability of the system are improved.
Drawings
FIG. 1 is a schematic diagram of a distributed warhead-based multi-shot blast safety system and target of the present invention;
FIG. 2 is a general schematic diagram of one embodiment of a distributed warhead-based multi-shot blast safety system of the present invention;
FIG. 3 is a schematic illustration of the inner charges of one embodiment of the distributed warhead-based multi-point detonation safety system of the present invention;
FIG. 4 is a schematic view of the spindle connection of one embodiment of the distributed warhead-based multi-point detonation safety system of the present invention;
fig. 5 is a schematic installation diagram of a flameproof slider of an embodiment of the distributed warhead-based multipoint detonation safety system of the present invention.
Detailed Description
The invention will be further elucidated by means of specific embodiments in the following with reference to the drawing.
The schematic diagram of the design and control method of the multi-point detonation safety system for the distributed warhead of the invention for hitting the target is shown in fig. 1, wherein 0 is the warhead and T is the hitting target.
As shown in fig. 3, the warhead comprises a projectile body 01, a loading bin 02, a warhead charge 03 and a next-stage charge; the projectile body 01 is internally provided with a cylindrical space, four explosive loading bins 02 which are distributed in a central symmetry manner relative to a central shaft are arranged in the projectile body 01, and a warhead explosive charge 03 is contained in the explosive loading bins 02; a distributed warhead based multi-point detonation safety system is provided at the bottom of projectile 01.
As shown in fig. 2 to 5, the multipoint detonation safety system based on the distributed warhead of the present embodiment includes: the explosion-proof device comprises a substrate 1, a substrate explosion-conducting hole 2, an explosion-proof sliding block 3, an explosion-proof sliding block explosion-conducting hole 4, a miniature initiating explosive 5, a rotating shaft, a rotating motor 7, a recoil limit pin 8, a limit groove, a control circuit 9 and a wireless information transmission unit; the bottom end of the projectile body is provided with a circular plate-shaped substrate 1, the lower surface of the substrate 1 is connected with the bottom end of the projectile body, and a powder filling bin and a warhead powder filling in the powder filling bin are packaged; four centrosymmetric perforated substrate explosion transfer holes 2 are arranged in the substrate 1, and next-stage explosive charges are arranged in each substrate explosion transfer hole 2 and respectively correspond to each explosive charge bin; the upper surface of the substrate 1 is provided with an explosion-proof sliding block 3, and the area of the explosion-proof sliding block 3 is larger than that of the substrate explosion transfer hole 2; an explosion-proof sliding block explosion transfer hole 4 is formed in the explosion-proof sliding block 3, and a micro initiating explosive 5 is filled in the explosion-proof sliding block explosion transfer hole 4; a rotating shaft is arranged in the center of the substrate 1 and is positioned on the central shaft; one end of the rotating shaft is connected with the rotating motor 7, and the other end of the rotating shaft is fixedly connected with the top point of the explosion-proof sliding block 3; the rotating shaft comprises a first rotating shaft 61, a shaft sleeve 63 and a second rotating shaft 62; the first rotating shaft and the second rotating shaft are coaxially connected, and a shaft sleeve is sleeved outside the joint of the first rotating shaft and the second rotating shaft; the top ends and the bottom ends of the first rotating shaft and the second rotating shaft are respectively connected with the rotating motor 7 and the top point of the explosion-proof sliding block 3; the rotating motor 7 is connected to the control circuit 9, and the control circuit 9 is connected to the wireless information transmission unit; a limiting groove is formed in the upper surface of the substrate 1, a recoil limiting pin 8 is arranged in the limiting groove, the recoil limiting pin 8 is in an inverted truncated cone shape or an inverted cone shape, the diameter of the top end of the recoil limiting pin 8 is larger than that of the limiting groove, the diameter of the bottom end of the recoil limiting pin 8 is smaller than that of the limiting groove, and the height of the recoil limiting pin 8 is not larger than the depth of the limiting groove; a spacing hole is formed in the flame-proof sliding block, and the inner diameter of the spacing hole is not smaller than the diameter of the top end of the recoil spacing pin; before the warhead is launched, the top end of the recoil limiting pin 8 is exposed out of the upper surface of the substrate 1, and the upper surface of the recoil limiting pin passes through the limiting hole to be flush with the upper surface of the flame-proof sliding block 3, so that the position of the flame-proof sliding block 3 is limited.
In this embodiment, the substrate 1 is a nickel substrate 1 with a thickness of 350 μm; the thickness of the flame-proof slide block 3 is 150 μm; the flame-proof sliding block 3 is fan-shaped, the vertex of the fan shape is positioned on the central shaft, and the opening angle of the fan shape is not more than 45 degrees.
The implementation method of the distributed warhead-based multipoint detonation safety system comprises the following steps:
1) before the warhead is launched, the top end of the recoil limiting pin 8 is exposed out of the upper surface of the substrate 1 and extends into a limiting hole of the flame-proof sliding block 3 to limit the position of the flame-proof sliding block 3;
2) when the warhead launches, the recoil force enables the recoil limiting pin 8 to move in the reverse direction of the recoil force, and the recoil limiting pin sinks into the limiting groove and is fixed in the limiting groove, so that the constraint on the explosion-proof sliding block 3 is relieved;
3) selecting the warhead charge in the corresponding direction according to the relative direction of the target and the warhead to achieve the maximum damage efficiency;
4) the control circuit 9 controls the rotating motor 7 to rotate and drives the explosion-proof sliding block 3 to rotate, so that the explosion-proof sliding block explosion transfer hole 4 rotates and is fixed to a warhead explosive loading position consistent with the direction of a striking target and is aligned with the corresponding substrate explosion transfer hole 2, and at the moment, the corresponding warhead explosive loading is aligned with the micro initiating explosive 5 through the next-stage explosive loading;
5) the control circuit 9 detonates the miniature initiating explosive 5, detonates corresponding warhead explosive through the next-stage explosive, finally detonates all warhead explosive, and controls the initiation direction aiming at the direction of the striking target, thereby realizing the maximum damage capability to the selected side.
Finally, it is noted that the disclosed embodiments are intended to aid in further understanding of the invention, but those skilled in the art will appreciate that: various substitutions and modifications are possible without departing from the spirit and scope of the invention and the appended claims. Therefore, the invention should not be limited to the embodiments disclosed, but the scope of the invention is defined by the appended claims.
Claims (8)
1. A multipoint detonation safety system based on a distributed warhead comprises a warhead, a powder loading bin, a warhead powder charge and a next-stage powder charge; the projectile body is internally provided with a cylindrical space, n explosive loading bins which are centrosymmetrically distributed around a central shaft are arranged in the projectile body, and the explosive loading bins are internally filled with warhead explosive; the multipoint detonation safety system based on the distributed warhead is arranged at the bottom of a projectile body, n is a natural number not less than 2, and the multipoint detonation safety system based on the distributed warhead is characterized by comprising: the explosion-proof device comprises a substrate, a substrate explosion-transmitting hole, an explosion-proof sliding block explosion-transmitting hole, a micro initiating explosive, a rotating shaft, a rotating motor, a recoil limit pin, a limit groove, a limit hole, a control circuit and a wireless information transmission unit; the bottom end of the projectile body is provided with a circular plate-shaped substrate, the lower surface of the substrate is connected with the bottom end of the projectile body, and the explosive loading bin and the warhead explosive loading in the explosive loading bin are packaged; n centrosymmetric perforated substrate explosion transfer holes are formed in the substrate, and each substrate explosion transfer hole is provided with a next-stage explosive charge which corresponds to each explosive charge bin; the upper surface of the substrate is provided with an explosion-proof sliding block, and the area of the explosion-proof sliding block is larger than that of the substrate explosion transfer hole; an explosion-proof slide block explosion transfer hole is formed in the explosion-proof slide block, and micro initiating explosive is filled in the explosion transfer hole of the explosion-proof slide block; a rotating shaft is arranged in the center of the substrate and is positioned on the central shaft; one end of the rotating shaft is connected with the rotating motor, and the other end of the rotating shaft is fixedly connected with the vertex of the explosion-proof sliding block; the rotating motor is connected to the control circuit, and the control circuit is connected to the wireless information transmission unit; the upper surface of the substrate is provided with a limiting groove, a recoil limiting pin is arranged in the limiting groove, the recoil limiting pin is in an inverted truncated cone shape or an inverted cone shape, the diameter of the top end of the recoil limiting pin is larger than that of the limiting groove, the diameter of the bottom end of the recoil limiting pin is smaller than that of the limiting groove, and the height of the recoil limiting pin is not larger than the depth of the limiting groove; a spacing hole is formed in the flame-proof sliding block, and the inner diameter of the spacing hole is not smaller than the diameter of the top end of the recoil spacing pin; before the warhead is launched, the top end of the recoil limiting pin is exposed out of the upper surface of the substrate, and the upper surface of the recoil limiting pin exceeds the lower surface of the explosion-proof sliding block and extends into a limiting hole of the explosion-proof sliding block to limit the position of the explosion-proof sliding block; when the warhead launches, the recoil force enables the recoil limiting pin to move in the reverse direction of the recoil force, and the recoil limiting pin is sunk into the limiting groove and fixed in the limiting groove to release the constraint on the explosion-proof sliding block; according to the relative direction of the target and the warhead, the ground station control console sends instruction information to the control circuit, and the wireless information transmission unit receives the instruction information, processes the instruction information and sends the instruction information to the control circuit, and selects the warhead in the corresponding direction to charge, so as to achieve the maximum damage efficiency; the control circuit controls the rotating motor to rotate and drives the explosion-proof sliding block to rotate and controls the motor to rotate by a fixed angle, so that the explosion-proof sliding block explosion transfer hole rotates to the position of the warhead explosive charge consistent with the direction of the striking target and is aligned with the corresponding substrate explosion transfer hole, and at the moment, the corresponding warhead explosive charge is aligned with the micro initiating explosive through the next-stage explosive charge; the control circuit detonates the miniature initiating explosive, corresponding warhead explosive is detonated through the next-stage explosive, all warhead explosive is finally detonated, the initiation direction is controlled according to the direction of the target, and the maximum damage capability to the selected side is realized.
2. The distributed warhead-based multipoint detonation safety system of claim 1, wherein the substrate is a nickel substrate having a thickness of 300 μm to 400 μm.
3. The distributed warhead-based multipoint detonation safety system of claim 1, wherein the thickness of the flameproof slider is 130-170 μm.
4. The distributed warhead-based multi-shot detonation safety system of claim 1, wherein the shaft includes a first rotational axis, a bushing, and a second rotational axis; the first rotating shaft and the second rotating shaft are coaxially connected, and a shaft sleeve is sleeved outside the joint of the first rotating shaft and the second rotating shaft; the top end of the first rotating shaft is connected with the rotating motor, and the bottom end of the second rotating shaft is connected with the top point of the explosion-proof sliding block.
5. The distributed warhead-based multi-point detonation safety system of claim 1, wherein the flameproof slider is sector-shaped, the apex of the sector is located on the central axis, and the opening angle of the sector is no greater than 360 °/n.
6. The distributed warhead-based multipoint detonation safety system of claim 1, wherein the rotating electrical machine has a power of 20W to 30W.
7. The distributed warhead-based multipoint detonation safety system of claim 1, further comprising a control component housing, the control component housing being open-topped and cylindrical with a bottom surface; the substrate, the substrate explosion transfer hole, the explosion-proof sliding block explosion transfer hole, the micro initiating explosive, the rotating shaft, the rotating motor, the recoil limit pin, the limit groove, the control circuit and the wireless information transmission unit are arranged in the control component shell; the top end of the control component shell is connected with the bottom end surface of the projectile body of the warhead; the outer diameter of the control member housing coincides with the outer diameter of the projectile body.
8. A method of implementing a distributed warhead-based multi-shot blast safety system as recited in claim 1, comprising the steps of:
1) before the warhead is launched, the top end of the recoil limiting pin is exposed out of the upper surface of the substrate and extends into a limiting hole of the explosion-proof sliding block to limit the position of the explosion-proof sliding block;
2) when the warhead launches, the recoil force enables the recoil limiting pin to move in the reverse direction of the recoil force, and the recoil limiting pin is sunk into the limiting groove and fixed in the limiting groove to release the constraint on the explosion-proof sliding block;
3) selecting the warhead charge in the corresponding direction according to the relative direction of the target and the warhead to achieve the maximum damage efficiency;
4) the control circuit controls the rotating motor to rotate and drives the explosion-proof sliding block to rotate, so that the explosion-proof sliding block explosion transfer hole rotates to a warhead explosive loading position consistent with the direction of a striking target and is aligned with the corresponding substrate explosion transfer hole, and at the moment, the corresponding warhead explosive loading is aligned with the micro initiating explosive through next-stage explosive loading;
5) the control circuit detonates the miniature initiating explosive, corresponding warhead explosive is detonated through the next-stage explosive, all warhead explosive is finally detonated, the initiation direction is controlled according to the direction of the target, and the maximum damage capability to the selected side is realized.
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| CN202011245106 | 2020-11-10 | ||
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| CN112414231B true CN112414231B (en) | 2021-08-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2632721B1 (en) * | 1988-06-10 | 1993-05-07 | Thomson Brandt Armements | METHOD FOR EJECTING SUBMUNITIONS AND PROJECTILE IMPLEMENTING SUCH A METHOD |
| DE102005031588B3 (en) * | 2005-07-06 | 2007-01-11 | TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH | Controllable charge of a warhead |
| FR2975769A1 (en) * | 2011-05-27 | 2012-11-30 | Tda Armements Sas | Ammunition for use in e.g. gun, has cylindrical ammunition body comprising central core with fins, where each of fins has edge and is secured to base in revolution axis of body for separating pyrotechnic charge into parts on sides of fin |
| CN106482588B (en) * | 2016-11-28 | 2018-09-07 | 湖北航天飞行器研究所 | A kind of device for circumferential adjustment fragment emission direction |
| CN209310626U (en) * | 2018-12-14 | 2019-08-27 | 江西国泰民爆集团股份有限公司 | A kind of combined type primary explosive column |
| CN110823023B (en) * | 2019-11-13 | 2020-09-15 | 北京理工大学 | Electromagnetic drive MEMS rotor type safety system applied to weak environment force and method thereof |
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