33results about How to "Increase damage efficiency" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.