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33results about How to "Increase damage efficiency" patented technology
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Titanium-steel composited warhead shell
InactiveCN105953663AStrong penetrating powerIncrease damage efficiencyCartridge ammunitionInterference fitHigh intensity
The invention discloses a titanium-steel composited warhead shell, and belongs to the field of a warhead structure. The warhead shell comprises a penetration part and a main body part, wherein the penetration part and the main body part are connected in an interference fit manner; the penetration part is made from high-strength steel; and the main body part is made from titanium alloy. The warhead shell can overcome the problem very well that when a warhead collides with a target, adiabatic shear easily occurs; the weight of the warhead shell is reduced when the penetration property of the warhead is improved; the charge-weight ratio of explosive materials of the warhead is increased; and further, the damage capacity of the warhead is improved.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Attack angle constrained high-speed interception guidance method
InactiveCN110645844AIncrease damage efficiencyImprove reliabilitySelf-propelled projectilesRelative motionControl theory
The invention discloses an attack angle constrained high-speed interception guidance method. The attack angle constrained high-speed interception guidance method comprises the following steps of establishing the relative motion relation between a guided missile and a target with the longitudinal plane where the guided missile and the target are located as an attack plane to obtain an expression ofrelative motion parameters; deducing expressions of the zero effort miss and zero effort speed according to the missile-target relative motion parameters; making the zero effort miss and zero effortspeed as first-layer sliding mode variables according to the hierarchical sliding mode theory and combining a first-layer sliding mode into a second-layer mode; and selecting an exponential reaching law, making the exponential reaching law equal to the second-layer mode about the time derivative and then solving the falling angle constraint missile guidance law of a high-speed flight missile. Through the attack angle constrained high-speed interception guidance method, the missile hits on the target at the preset angle of sight to improve the destroy effect. When the missile intercepts the target at high speed, the missile hits on the target with small zero effort miss. Thus, the attack angle constrained high-speed interception guidance method has good reliability.
Owner:NANJING UNIV OF SCI & TECH
Sandwich type MEMS safety system integrated device and method thereof
ActiveCN109297374AReduce damage rateReduce stressTelevision system detailsImpedence networksControl systemMiniaturization
The invention discloses a sandwich type MEMS safety system integrated device. An integrated structure including a dual-end fixed limiting frame, an explosive-proof sliding block, an explosive-proof sliding block limiting pin, an explosive-proof sliding block limiting groove, an explosive-proof sliding block reverse buffer limiting groove, explosive-proof sliding block reverse buffer limiting combteeth, a rear base overload threshold value judging mechanism, a centrifugal overload threshold value judging mechanism, an explosion propagation hole, two flexible explosive-proof layers, an explosive-proof sliding block motion limiting device, an explosive-proof sliding block motion buffer area, an explosive-proof sliding block reverse buffer area, a first limiting device and a second limiting device is adopted in the device, and advantages of being small in size, low in power consumption, good in machining sample consistency and the like are achieved. The beneficial effects of being high insensory ability of ballistic trajectory environment, and high in work reliability of safe and protection relieving control system are achieved, meanwhile, a small fuse has the important significancein improving warhead charging, through the small fuse, the next-stage charging is improved, and the damage of a small-caliber cartridges can be improved.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
L-waveband double-injection double-frequency relativistic magnetron
InactiveCN108807117ASmall geometryAvoid Electronic Efficiency ImpactsRising-sun magnetronsPulse forming lineMicrowave technology
The invention discloses an L-waveband double-injection double-frequency relativistic magnetron, and belongs to the technical field of microwave sources in the high-power microwave technology. The magnetron comprises two high-frequency systems which are in axial communication, and the two high-frequency systems adopt single-port radial output. The magnetron meets the requirement for matching with alow-impedance high-power driving source; the geometrical size of the pulse forming line is reduced, and the whole high-power microwave system is miniaturized and compact. Meanwhile, based on the low-impedance high-power driving source, the single high-frequency system connected in the axial direction can still work under a high-impedance condition, so that influence to the electronic efficiency of the single high-frequency system caused by reduction of the geometric size of the pulse forming line is avoided.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
MEMS safety system integrated device applied to small-caliber bomb and method thereof
ActiveCN109029138ANot easy to shakeAchieve securityBlasting cartridgesControl systemStructural engineering
The invention discloses an MEMS safety system integrated device applied to a small-caliber bomb and a method thereof. The safety system integration device comprises a safety system double-end fixed support limiting frame, an explosion-proof slider, an explosion-proof slider limit pin, an explosion-proof slider limit groove, an explosion-proof slider anti-buffer limit slot, an explosion-proof slider anti-buffering limit comb, a threshold value judgment mass block, a recoil overload threshold judgment mechanism, a centrifugal overload threshold judgment mechanism and an explosion propagation hole. According to the device, the integrated structure is adopted, firstly, from the perspectives of small-caliber bomb fuze design and processing, the device has the advantages of the miniaturized structure size, the low power consumption, good consistency of processing samples and the like; secondly, from the perspective of small-caliber bomb fuze function, the device has the characteristics of the strong sense of the ballistic environment, safety, the high working reliability of a de-protection control system and the like; and thirdly, a miniaturized fuze is important for improving charge ofa warhead, the next-level charge is improved through the miniaturized fuze, and the damage efficiency of small-caliber ammunition is improved.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
3D-printed folding type wing loitering munition
PendingCN109489499AIncrease loading capacityIncrease damage efficiencyProjectiles3d printedPotential energy
The invention discloses a 3D-printed folding type wing loitering munition. The 3D-printed folding type wing loitering munition comprises a munition body, front wings and back wings; the front wings and the back wings are both of a symmetrical structure and adopt a serial wing layout mode; the front wings are located on the upper portion of the munition body, the back wings are located on the lowerportion of the munition body, and the front wings and the back wings are located at the limiting positions of the munition body; and the left portions and the right portions of the front wings and the back wings are connected with the munition body through elastic folding and unfolding mechanisms separately, the front wings can be backwards and longitudinally folded into the munition body, and the back wings can be forwards and longitudinally folded into the munition body. According to the 3D-printed folding type wing loitering munition, the serial wing layout mode that the front wings are arranged on the upper portion, and the back wings are arranged on the lower portion is adopted, therefore, the loading capacity of the loitering munition is increased, and influences of the front wingson air flow generated by the back wings are reduced; and the folding type wings are driven by the elastic folding and unfolding mechanisms to be unfolded, the wings can be passively and longitudinallycontracted to the munition body, enough elastic potential energy is stored, the wings can be stably fastened, the wings can be quickly released when catapult unfolding is conducted, operation is convenient and fast, and the safety and the reliability are achieved.
Owner:湖南省军合科技有限公司
Penetration blasting warhead with titanium alloy matrix containing active fragment inclusions and preparation method
ActiveCN112797852AImprove penetrating abilityImprove ignition and detonation functionAmmunition projectilesAdditive manufacturing apparatusPowder metallurgyThin walled
The invention provides a penetration blasting warhead with a titanium alloy matrix containing active fragment inclusions and a preparation method. A partition plate is arranged between a warhead and a shell; the warhead is internally provided with front-section explosive; the shell is internally provided with rear section explosive; the shell comprises a titanium alloy matrix and active fragments, wherein the titanium alloy matrix comprises a titanium alloy thin-wall cylinder framework and titanium alloy metal powder, array empty grooves are formed in the cylinder wall of the titanium alloy thin-wall cylinder framework, and the active fragments are bonded in the array empty grooves; the titanium alloy thin-wall cylinder framework, the active fragments and the titanium alloy metal powder are made into the shell by pressing; the front end of the shell is provided with internal threads connected to external threads at the tail of the warhead; and the tail end of the shell is in threaded connection with a body connecting sleeve and an end cover, and the body connecting sleeve is filled with a fuse. According to the penetration blasting warhead with the titanium alloy matrix containing active fragment inclusions and the preparation method, the 3D printing thin-wall framework is adopted for filling and fixing the active fragments, convenience is provided for design and manufacturing, a framework material is the same as the powder metallurgy shell base material, the interior of the shell has good compatibility, and the structural strength of the shell is guaranteed.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Novel detonating device
ActiveCN103822543AImprove explosive powerIncrease damage efficiencyBlasting cartridgesExplosive AgentsMetal membrane
The invention relates to the technical field of detonating devices, aims to solve the technical problem that the existing detonating device has poor detonating capacity and provides a novel detonating device comprising explosive and an ignition device. The novel detonating device is characterized in that the ignition device is a nano heating tube, the outer wall of the nano heating tube is provided with a glass tube or ceramic tube of nano-metal film, the nano-metal film is electrically connected with an electrode, and the nano heating tube is filled with the explosive. The invention further provides another novel detonating device comprising explosive and an ignition device; the detonating device is characterized in that the ignition device is a nano heating tube, the inner wall of the nano heating tube is provided with a glass tube or ceramic tube of nano-metal film, the nano-metal film is electrically connected with an electrode, and the explosive warps the nano heating tube. The novel detonating device allows for cylindrical blasting and capable of generating gathering detonating waves, so that power of the explosive is increased.
Owner:王佰忠
Caseless cartridge
InactiveCN105910507AImprove stabilitySolve spontaneous combustionAmmunition projectilesProjectilesMetal foilDamage effects
The invention relates to a caseless cartridge. The caseless cartridge is composed of a propellant powder column, a primer, a warhead, starting powder, a dampproof wrapping body and an isolating heat dissipation wrapping body, wherein the warhead is composed of a head cone, a cartridge belt, a tail protrusion or a missile wing and a tail post and is fixed into a center hole of the molded solid propellant powder column. The tail post of the warhead abuts against the primer. The warhead has the functions of a traditional bullet primer platform and an anvil. The starting powder with the burning rate higher than that of the propellant powder column is arranged in front of the primer and behind the tail protrusion or the missile wing to make percussion of the cartridge be stable and reliable. The dampproof wrapping body is made of a water-repellent organic thin film material and wraps a cartridge body completely to achieve the effective dampproof effect, and accordingly the misfire rate is reduced. The isolating heat dissipation wrapping body is made of metal foil with good heat conductivity so that temperature rising of the cartridge body can be effectively delayed, the high-temperature resistant performance of the cartridge body is improved, and adhesion between the dampproof wrapping body and a cartridge chamber is effectively isolated. The caseless cartridge is compact in structure and low in weight; the firing distance and penetrating power are increased, and the damage effect is improved; and the underwater using effect of the cartridge with a spiral wing is remarkable.
Owner:郎勇
Warhead annular pilot chamber forming device and forming method thereof
The invention provides a warhead annular pilot chamber forming device and a forming method thereof, and belongs to the technical field of ammunition charging. The device used in the forming method comprises a die sleeve, a fixing sleeve, a pull rod, a core rod and a punch. Firstly, an annular cavity is formed between the inner wall of the die sleeve and the core rod at an opening of an ammunitionbody through cooperation of the die sleeve, the fixing sleeve, the pull rod and the core rod, then a certain amount of explosive is poured into the annular cavity, the fixing sleeve is taken out, thepunch is inserted into the annular cavity to compact the explosive, and therefore forming of an annular pilot chamber in the center of the end face of a warhead grain is achieved. According to the device and the method, the historical bottleneck that a cavity pilot chamber can only be formed in the center of the end face of the warhead grain through the step-by-step press-fitting charging and supplementary charging technology is solved. Through research and production practice verification, according to the warhead annular pilot chamber forming device and technology, the charging amount is increased, and then the damage effect of a warhead is improved.
Owner:HENAN NORTHERN HONGYANG ELECTROMECHANICAL CO LTD
Warhead active fragment with sealing layer and preparation method and application thereof
ActiveCN111777476AMeet the sealing performanceIncrease damage efficiencyExplosivesChemical reactionMachining
The invention relates to a warhead active fragment with a sealing layer and a preparation method and application thereof. The preparation method comprises the following steps: firstly, injecting a fluorine polymer composite material into a pipe with an inner wall grid in a hot-pressing manner, and fully matching the shape of a unit cell of the pipe with the inner wall grid and fully sealing due tothe flowability of a polymer; and secondly, the fluorine polymer composite material can also excite chemical reaction in the high-speed collision process so that the damage efficiency is further improved. As for a traditional method for pressing a pipe with an inner wall grid into a steel end cap, high machining precision requirements exist for matching between the end cap and the pipe, and compared with a fluorine polymer composite material hot-pressing method, packaging can be suitable for pipes with inner wall grids in different shapes, the process is simplified, and the production efficiency is improved.
Owner:昆明铂生金属材料加工有限公司
Penetration layer counting method based on stress-magnetic effect of projectile body
ActiveCN112648895AImprove intelligenceIncrease damage efficiencyAmmunition projectilesElectric fuzesMagnetic effectControl signal
The invention belongs to the technical field of intelligent fuses, and provides a penetration layer counting method based on a stress-magnetic effect of a projectile body. The method is characterized in that a detonation control system is arranged in a penetration projectile body and comprises a magnetic sensor, a power supply module, an adaptive circuit module and a processing identifier circuit module, wherein when the penetration projectile body made of a ferromagnetic material penetrates through each layer of hard target plate, under the action of impact resistance, the stress-magnetic effect is generated, the magnetic field intensity of a magnetic leakage field on the surface of the penetration projectile body is changed, a magnetic signal serves as a layer penetrating signal, the generated magnetic signal is detected through the magnetic sensor, and an actually-detected sinusoidal impulse type analog voltage signal is preprocessed, subjected to analog-to-digital conversion and then sent to the processing identifier circuit module, a sinusoidal impulse type voltage signal is obtained after digital filtering, and layer counting is achieved by identifying the number of the impulse voltage signals. According to the method, accurate and effective layer counting detonation control signals can be provided when weapons penetrate through underground targets, and the intelligence and damage efficiency of weapon equipment are improved.
Owner:ZHONGBEI UNIV
Semi-active laser proximity fuse
ActiveCN111780630ALow costRealize intelligenceProximity fuzesElectromagnetic wave reradiationInformation processingEngineering
The invention provides a semi-active laser proximity fuse, and relates to the technical field of laser detection sensing. Through a forward laser detection module and circumferential laser detection modules on the fuse, echo signals formed through laser diffuse reflection are caught, and are then transmitted to an information processing module, the information processing module conducts integratedprocessing on the target azimuth deviation angle in the forward laser detection module and distance information in the circumferential laser detection modules, then a detonation instruction is formedaccording to preset detonation logic, and then ammunitions are detonated at the best opportunity. By means of the semi-active laser proximity fuse, intellectualization of common ammunitions for antiaircraft guns and the like can be achieved. After the semi-active laser proximity fuse is adopted, the common ammunitions for antiaircraft guns and the like can be modified, and detonation can be achieved even under the condition of not contacting any target. Through the laser detection module, the target azimuth and target distance are sensed, thus the damage probability and damage effect of the ammunitions are greatly improved, the consumption quantity of the ammunitions is reduced, and control over the time to detonate multiple ammunitions simultaneously can also be achieved.
Owner:安徽聚戎科技信息咨询有限公司
Hypersonic flight vehicle cooperative guidance method based on real-time optimization and deep learning
PendingCN114815878ACapable of real-time computingImprove computing efficiencyPosition/course control in three dimensionsFlight vehicleControl variable
The invention discloses a hypersonic flight vehicle cooperative guidance method based on real-time optimization and deep learning, and belongs to the technical field of flight vehicle guidance. The implementation method comprises the following steps: establishing an optimal guidance problem according to flight mechanics characteristics of the hypersonic flight vehicle and cooperative attack task characteristics; selecting a proper control variable to construct a control affine system, and further linearizing the system to obtain linear system dynamics; converting the non-convex control constraint into a second-order cone constraint by adopting a relaxation technology; and designing a sequence second-order cone optimization algorithm to obtain a solution of an original optimal guidance problem. In addition, a sample set is obtained by solving a time-free optimal guidance problem, and a neural network used for determining the minimum hit time is designed and trained, so that the optimal cooperative attack time is calculated. According to the collaborative guidance method disclosed by the invention, optimal collaborative guidance under the condition of considering nonlinear system dynamics, aerodynamic and complex task constraint conditions can be realized, and the penetration ability and damage effect of the hypersonic aircraft are effectively improved.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Preparation method of high-explosion-heat synergistic energy-containing micro-projectile
PendingCN113582796ASimple processNo special process requirementsNon-explosive/non-thermic compositionsChemical physicsPhysical chemistry
The invention relates to a high-explosion-heat energy-containing micro-projectile, and belongs to the field of special damage. The energetic micro-projectile is composed of a fluoropolymer-based energetic micro-projectile basic formula and a high-explosion-heat reactant. The obtained product has the prominent characteristics that the effect of increasing the damage of explosion heat is achieved, the damage can be increased to 120%-200% of the damage of the original formula, and the product has the advantages of being free of sulfur and nitrogen, slight in smoke, high in explosion heat, high in safety and the like and can be widely applied to the fields of air anti-conduction, armor breaking damage and the like.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
A bullet structure for improving the ballistic stability of projectile penetrating concrete target plate
ActiveCN110657717BReduce lateral forceReduce torqueAmmunition projectilesProjectilesEngineeringMechanical engineering
Owner:BEIJING MECHANICAL EQUIP INST
An aircraft guidance system and method for realizing landing angle constraints
ActiveCN113494869BIncrease damage efficiencyPrecision attackDirection controllersAiming meansGuidance systemFlight vehicle
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY +2
A mems safety system integrated device and method applied to small-caliber bullets
ActiveCN109029138BIncrease damage efficiencyImprove consistencyBlasting cartridgesSmall caliberMechanical engineering
The invention discloses an MEMS safety system integrated device applied to a small-caliber bomb and a method thereof. The safety system integration device comprises a safety system double-end fixed support limiting frame, an explosion-proof slider, an explosion-proof slider limit pin, an explosion-proof slider limit groove, an explosion-proof slider anti-buffer limit slot, an explosion-proof slider anti-buffering limit comb, a threshold value judgment mass block, a recoil overload threshold judgment mechanism, a centrifugal overload threshold judgment mechanism and an explosion propagation hole. According to the device, the integrated structure is adopted, firstly, from the perspectives of small-caliber bomb fuze design and processing, the device has the advantages of the miniaturized structure size, the low power consumption, good consistency of processing samples and the like; secondly, from the perspective of small-caliber bomb fuze function, the device has the characteristics of the strong sense of the ballistic environment, safety, the high working reliability of a de-protection control system and the like; and thirdly, a miniaturized fuze is important for improving charge ofa warhead, the next-level charge is improved through the miniaturized fuze, and the damage efficiency of small-caliber ammunition is improved.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
A heterogeneous integrated security system applied to small-caliber projectile and its realization method
ActiveCN110285725BIncrease damage efficiencyImprove consistencyAmmunition fuzesStructural engineeringSmall caliber
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
an explosive device
ActiveCN103822543BDetonation achievedImprove explosive powerBlasting cartridgesElectricityEngineering
The invention relates to the technical field of detonating devices, aims to solve the technical problem that the existing detonating device has poor detonating capacity and provides a novel detonating device comprising explosive and an ignition device. The novel detonating device is characterized in that the ignition device is a nano heating tube, the outer wall of the nano heating tube is provided with a glass tube or ceramic tube of nano-metal film, the nano-metal film is electrically connected with an electrode, and the nano heating tube is filled with the explosive. The invention further provides another novel detonating device comprising explosive and an ignition device; the detonating device is characterized in that the ignition device is a nano heating tube, the inner wall of the nano heating tube is provided with a glass tube or ceramic tube of nano-metal film, the nano-metal film is electrically connected with an electrode, and the explosive warps the nano heating tube. The novel detonating device allows for cylindrical blasting and capable of generating gathering detonating waves, so that power of the explosive is increased.
Owner:王佰忠
A "sandwich" type mems security system integration device and method thereof
ActiveCN109297374BIncrease damage efficiencyImprove consistencyTelevision system detailsPiezoelectric/electrostriction/magnetostriction machinesPower efficientControl system
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
A preparation method of fine-grained and weak-textured blank for medicine-shaped mask
ActiveCN114134438BAchieve purificationTissue weakeningFurnace typesForging/hammering/pressing machinesMedicinePhysical chemistry
The invention provides a method for preparing a billet for a medicine-shaped cover, which sequentially performs multi-directional reciprocating and ultra-low temperature large-deformation extrusion; the multi-directional reciprocating upsetting extrusion is sequentially performed on three faces of the six-sided billet with the same apex Reciprocating upsetting extrusion, single extrusion ratio ≥ 1.5, complete 2 to 4 cycles of multi-directional reciprocating upsetting extrusion; the ultra-low temperature and large deformation extrusion is to subject the billet to cryogenic treatment for 60 to 150 minutes, and extrude the working part of the extrusion die The inner cone angle is 90°~140°, and the extrusion rate is 10~20mm / s. The invention can realize fine-grained and weak texture structure, and improve the isotropy, high yield ratio and high ductility of the liner.
Owner:NO 59 RES INST OF CHINA ORDNANCE IND
High-explosion-heat synergistic energetic micro-projectile
PendingCN113563144ASimple processNo special process requirementsExplosive ingredient compoundingThermodynamicsPhysical chemistry
The invention relates to a high-explosion-heat synergistic energetic micro-projectile, and belongs to the field of special damage. The energetic micro-projectile is composed of a fluoropolymer-based energetic micro-projectile basic formula and a high-explosion-heat synergist. The obtained product has the prominent characteristics that the effect of increasing the damage of explosion heat is achieved, the damage can be increased to 120%-200% of the damage of the original formula, and the product has the advantages of being free of sulfur and nitrogen, slight in smoke, high in explosion heat, high in safety and the like and can be widely applied to the fields of air anti-conduction, armor breaking damage and the like.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
High-explosion-capacity synergistic energetic micro-projectile
InactiveCN113563145ASimple processNo special process requirementsNon-explosive/non-thermic compositionsChemical physicsPhysical chemistry
The invention relates to a high-explosion-capacity synergistic energetic micro-projectile, and belongs to the field of special damage. The energetic micro-projectile is composed of a fluoropolymer-based energetic micro-projectile basic formula and a high-explosion-capacity synergist. The obtained product has the prominent characteristics that the damage effect of explosion heat can be increased to 110%-170% of the damage effect of the original formula, and the product has the advantages of no sulfur, no nitrogen, slight smoke, high explosion capacity, high safety and the like, and can be widely applied to the fields of air anti-conduction, armor breaking damage and the like.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
A warhead active fragment with a sealing layer and its preparation method and application
ActiveCN111777476BMeet the sealing performanceIncrease damage efficiencyExplosivesChemical reactionEngineering
Owner:昆明铂生金属材料加工有限公司
A simple sandwich type composite structure energy storage fragment and its preparation method
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY +1
Aerogel bomb
InactiveCN103743297AIncrease damage efficiencyMarine torpedoesSelf-propelled projectilesExplosive AgentsTrinitrine
The invention provides an aerogel bomb. The aerogel bomb is characterized by consisting of an armor breaking part and an aerogel bomb. When a target is within 50 m, the armor breaking part is emitted out firstly to explode a deck by using 20-50 KG energy-gathered explosive, and then the aerogel bomb is propelled continuously to enter into a cabin from an exploded nick; the aerogel bomb is composed of a detonation cavity and a mixed detonation agent; the detonation cavity contains 7-13% by mass of trimethylene trinitramine, 13-87% by mass of a detonation agent which is a mixture of propane and aluminum trihydride powder, and a small amount of phosphorus powder; the trimethylene trinitramine is firstly detonated, the mixture and the phosphorus powder are thrown in the cabin to be mixed with air to form aerogel, and the phosphorus powder spontaneously combusts to cause explosion again. Therefore, as the detonation agent and the air in the cabin are adopted to form the aerogel bomb, a large number of oxidant can be saved, impact of high-intensity explosion is formed, 3-10 times destroy capability is increased, and the aerogel bomb is used for producing torpedoes for antisubmarine and anti-ship operation.
Owner:SUZHOU NIUWU ERGUAN ELECTRICAL APPLIANCE TECH
Control system and method for highly dynamic intersection and directional proximity explosion initiation
ActiveCN108981512BImprove high-efficiency damage efficiencyGood detonation controlBlastingDigital signal processingSignal processing circuits
The invention designs a high-dynamic-overlap directional proximity detonation control system, comprising a digital beamforming processing circuit, a signal processing circuit, a frequency synthesizercircuit, a first receiving antenna array, a second receiving antenna array, a third receiving antenna array and a transmitting antenna array. The digital beamforming processing circuit includes a first active phase-control receiving channel, a second active phase-control receiving channel, a third active phase-control receiving channel, a first AD (analog-digital) sampling module, a second AD sampling module, a third AD sampling module, a digital down-conversion module, and a first FPGA (field-programmable gate array) chip; the signal processing circuit includes a DSP (digital signal processing) chip and a second FPGA chip; the frequency synthesizer circuit includes a signal transmitting channel, a transmitting signal power-dividing network, a local oscillator power-dividing network and afrequency synthesizer module. The high-dynamic-overlap directional proximity detonation control system has wide detection range; peripheral detection and high-dynamic-overlay adaptation technique areemployed to provide optimal detonation control for a fuse warhead system, so that damaging capacity of the fuse warhead system is greatly improved.
Owner:湖北三江航天红林探控有限公司
An Electromagnetic Gun Combined with Guide Rail and Rifle Segmentation
The invention belongs to the field of electromagnetic launch, and in particular relates to an electromagnetic gun combined with guide rails and rifling segments. Including: rotatable connecting projectile and armature; acceleration guide rail: including first and second electromagnetic guide rails with the same structure opposite to each other; rifled barrel: including first and second rifle bores with the same structure and opposite arrangement, There are inclined riflings with symmetry, the same rotation direction and the same twist in the rifled gun bore. The inner diameter of the electromagnetic guide rail is larger than the inner diameter of the rifled gun barrel. Two double-rifled gun bores and two electromagnetic guide rails are placed vertically alternately; insulation layer: set on the acceleration guide rail The two are isolated from the rifled gun barrel, so that the current only flows in the accelerating guide rail; the guide rail stabilizes the barrel: it is arranged on the outer periphery of the bore tube. The structure of the invention enables the shell to obtain rotational acceleration while obtaining linear acceleration in the bore, so that the shell can obtain greater rotational stability after being ejected from the muzzle, and increase the hit rate and damage ability of the shell.
Owner:NANJING UNIV OF SCI & TECH
Penetration blasting warhead containing active fragment inclusions in titanium alloy matrix and its preparation method
ActiveCN112797852BGuaranteed structural strengthGood compatibilityAmmunition projectilesAdditive manufacturing apparatusTitanium alloyMetal powder
The invention provides a penetrating blasting warhead containing active fragments in a titanium alloy matrix and a preparation method thereof. A partition is arranged between the warhead and the shell; a front-stage charge is installed in the warhead; a rear-stage charge is installed in the shell; Including titanium alloy matrix and active fragments, the titanium alloy matrix includes titanium alloy thin-walled cylindrical skeleton and titanium alloy metal powder, the wall of the titanium alloy thin-walled cylindrical skeleton is provided with an array of empty slots, and the active fragments are stuck in the array empty slots; titanium alloy thin-walled cylinder Skeleton, active fragments and titanium alloy metal powder are pressed into the shell; the front end of the shell is provided with an internal thread to connect with the external thread of the tail of the warhead; the tail end of the shell is respectively threaded with the body socket and the end cover, and the body socket is filled with a fuze. The present invention uses 3D printed thin-walled skeleton to fill and fix active fragments, which provides convenience for design and manufacture, and the skeleton material is the same as the shell base material of powder metallurgy, the inside of the shell has good compatibility, and the structural strength of the shell is improved. ensure.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
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