34results about "Reactive armour" patented technology

Disclosed are a method, system, and apparatus of a rapidly expandable anti-drone mesh system and method. In one aspect, a system includes a protected asset, an armored mesh on the protected asset, a sensor system to detect a hostile drone to imminently collide with the protected asset in an impact zone, and a responsive mechanism of the protected asset to cause a high-pressure gas to rapidly expand the armored mesh in the impact zone of the protected asset when the sensor system detects the hostile drone to imminently collide with the protected asset. The armored mesh preserves the protected asset by causing the hostile drone to impact the armored mesh instead of directly the protected asset. The protected asset may be a building, a vehicle, a wearer of a tactical gear, a civilian, a soldier, a boat, a tank, a weaponry, an airplane and / or an infrastructure.

A hybrid armour cassette comprising: a first plate; a second plate; and an interlayer having a plurality of layers sandwiched between the first and second plates; wherein the plurality of layers comprises at least one passive layer comprising a passive material and at least one reactive layer comprising a reactive material.

The utility model relates to the technical field of armor bulletproof, in particular to a passive electromagnetic protection structure which sequentially comprises high-density fiber cloth, a buffer gel layer, an outer metal layer, a porous ceramic layer, a loose fiber layer and an inner metal layer from outside to inside. The high-density fiber cloth fiber composite material and the buffer gel layer are shear thickening gel, the outer metal layer and the inner metal layer are steel plates or aluminum alloys made of the same material and are connected with a high-power pulse power supply, the porous ceramic layer is porous ceramic, the porosity is 10-40%, and the loose fiber layer is felt. According to the passive electromagnetic protection structure, each layer can exert the independent projectile blocking capacity from outside to inside, and the damage of a single incoming projectile can be greatly reduced by combining the passive electromagnetic protection function, so that the passive electromagnetic protection structure has the capacity of resisting continuous shooting of a plurality of projectiles.

The invention relates to a composite liquid armor based on pure silica nanoparticles derived from sea sand and its production method. In our invention, composite liquid armor can be utilized in both military and civilian defense industries. Alongside its durability, the armor offers high performance, enables ease of movement, and features a lightweight, free-particle modular structure. By providing a domestic alternative, it reduces dependency on foreign technologies in this field.

The invention relates to the technical field of armor sheets, in particular to an impact-resistant armor sheet and a preparation process and forming equipment thereof.The impact-resistant armor sheet comprises an embedded electronic layer used for sensing impact, a mechanical protection layer arranged outside the embedded electronic layer and used for improving the impact-resistant strength of the sheet, and a heat insulation layer arranged outside the embedded electronic layer and used for improving the impact-resistant strength of the sheet. The heat insulation property of the sheet is improved; the intelligent armor has the beneficial effects that the impact sensing function is achieved through the embedded electronic layer, the external mechanical protection layer and the thermal insulation layer are matched, and the intelligent sensing capacity is increased while the protection performance of a traditional armor is kept. The mechanical protection layer disperses impact energy through a high-strength fiber material, the heat insulation layer obstructs heat transfer through a low-heat-conduction material, and the embedded electronic layer monitors an impact event in real time.

The invention belongs to the technical field of armor protective materials, and discloses a low-density high-toughness heterogeneous composite armor and a preparation method thereof.The preparation method comprises the specific steps of (1) surface treatment, (2) lamination assembly, (3) high-temperature rolling, (4) quenching treatment, (5) tempering-warm rolling treatment and (6) annealing treatment. The Fe-Mn-Al-C series low-density steel and low-carbon low-alloy steel are treated through the steps to obtain the low-density and high-toughness heterogeneous composite armor. The composite armor has an obvious layered alternating structure and has low density, high strength and high toughness, the interface tensile strength of the composite armor is not lower than 750 MPa, the performance of each layer is in gradient distribution, and ballistic impact and fragment penetration can be effectively resisted. And meanwhile, the provided preparation process can cooperatively process the structures and mechanical properties of different materials, can ensure the consistency and stability of multi-layer structure interface bonding, and is suitable for industrial production of the large-area armor plate.

A body armor vest system including a wearable vest, a power source, a processor, at least one explosive charge, a multimodal sensor system and an inflatable protective hood, the power source, the processor and the explosive charge positioned on the wearable vest, the inflatable protective hood positioned on an upper portion of the wearable vest, the multimodal sensor system detecting the incoming projectile, the processor determining if the incoming projectile is a credible threat and deploying the inflatable protective hood and detonating the explosive charge if the detected incoming projectile is determined to be a credible threat.

The invention discloses a detachable composite armor structure and belongs to the technical field of composite materials, the detachable composite armor structure is formed by splicing a plurality of module units, each module unit is of a layered structure and sequentially comprises a supporting layer, a buffering anti-bullet layer, a core anti-bullet layer and a broadband wave absorbing and composite anti-bullet layer from inside to outside, the thickness of each module unit is smaller than or equal to 75 mm, and the surface density of each module unit is smaller than or equal to 90 kg / m; the broadband wave-absorbing and composite anti-elastic layer comprises more than two wave-transparent anti-elastic layers and broadband wave-absorbing layers which are arranged in a staggered manner, and the outmost layer is the wave-transparent anti-elastic layer; the number of the core anti-bullet layers is two, and the two core anti-bullet layers are detachably connected, so that the core anti-bullet layers are conveniently and rapidly detached and replaced. The device is installed on the outer surface of the armored car, and the low surface density meets the lightweight design requirement; the wave-transparent anti-bullet layer of the double-sine wave structure can transmit electromagnetic waves, resist bullet or fragment impact and change bullet tracks, and the broadband wave-absorbing layer absorbs broadband electromagnetic waves. The middle core anti-bullet layer and the buffer anti-bullet layer can resist the bullet and buffer the bullet, and the damaged outer layer can be replaced quickly.

Embodiments of the present systems and apparatus may provide vehicle armor materials and systems that generate electricity from impact and blast energy. For example, in an embodiment, a protective apparatus may comprise a layer of armor and a layer comprising a plurality of electrical generating devices abutting the layer of armor and configured so that energy applied to the layer of armor is transferred to the plurality of electrical generating devices causing the plurality of electrical generating device to generate electrical energy.

The utility model discloses a bulletproof and explosion-proof hanging plate for an explosion-proof barrack, which relates to the technical field of protective armor and comprises an impact damage shell, a deflection guide bump and an explosion-proof buffer layer are integrally formed on the front side of the impact damage shell, and a stopping structure for stopping bullets and explosion fragments is arranged in the explosion-proof buffer layer; according to the bullet breaking device, the bullet breaking effect is achieved through the high hardness of the impact breaking shell, the bullet and fragments are deflected and guided through the deflection guiding protruding blocks, the armor penetrating capacity of the bullet and the fragments is reduced, and the bullet and the fragments are prevented from penetrating through the bullet and the fragments in combination with the anti-explosion buffering layer. And finally, the whole hanging plate is supported through the supporting back plate and the outwards-protruding thickening part of the supporting back plate, so that the whole hanging plate is not prone to deformation, the effective anti-explosion use frequency of the hanging plate is increased, and therefore the armor hanging plate with the better bulletproof and anti-explosion effect is formed through fewer composite layer structures.

This invention discloses an impact-resistant composite layer structure, its manufacturing method, and its applications. The composite layer structure is a three-layer sandwich structure, including a first metal protective layer, a second metal protective layer, and a shape memory alloy layer disposed therebetween. The shape memory alloy layer serves as the core plate, forming a composite plate with a sandwich structure. The first and second metal protective layers are composed of one or more metal plates spliced ​​together, with a thickness of 5–30 mm. The shape memory alloy layer is constructed as a three-dimensional continuous mesh structure, comprising multiple overlapping circular shape memory alloy structures arranged in an alternating pattern, with a thickness of 10–80 mm. The composite layer structure disclosed in this invention has advantages such as high strength, high hardness, high toughness, low density, and low cost, maximizing the dispersion of impact energy and greatly improving its protective capability. It can be widely used in the protection of weapon armor and space products such as spacecraft, providing effective protection.

The invention discloses a ceramic spliced composite armor which comprises a ceramic protection layer and a back plate layer which are sequentially arranged from top to bottom and fixedly connected, and is characterized in that the ceramic protection layer is composed of a plurality of ceramic protection units which are arranged in rows from front to back; the front and back adjacent ceramic protection units are fixedly attached to each other, each ceramic protection unit is formed by fixedly attaching and splicing a plurality of ceramic protection blocks from left to right, each ceramic protection block is a rhombic prism, and the left and right opposite end faces of each rhombic prism are identical rhombic faces with four edges equal in length. The front, rear, upper and lower end faces of the rhombic prism are rectangular faces. The rhombic prism ceramic block splicing structure has the advantages that the rhombic prism ceramic block splicing design is adopted, an asymmetric stress field is generated when a projectile body is impacted through an inclined contact surface, the projectile body is forced to generate transverse displacement and deflection, the contact area of the projectile body and ceramic is increased, more kinetic energy is consumed through multi-angle crushing, and the whole projectile body has better anti-projectile protection performance.

The invention relates to a modular protection system comprising energy-absorbing capsules that dissipate mechanical energy from impacts or vibrations. Each capsule has an outer shell, flexible, semi-rigid, or rigid, and an internal structure with optional partitions, sub-partitions, enclosures, coatings, reinforcement, or smart components. The interior holds deformable or energy-absorbing material such as non-Newtonian fluids, gels, foams, fibers, granules, or composites. Capsules may be arranged in rows, grids, or capsule-within-capsule forms, and integrated into garments, panels, or infrastructure using textile channels, adhesives, fasteners, or lamination. Optional features include sensors, smart partitions, external protective plates, perforations, or connectors. The system supports modular replacement and adaptation to specific threats or environments, enabling scalable protection from wearable clothing to structural defense.

The utility model discloses an object auxiliary suspension armor, and particularly relates to the technical field of auxiliary suspension armours.The object auxiliary suspension armor comprises an air bag shell, and a centralized controller is fixed to the lower portion of the middle of one side of the air bag shell; a second gas generator, a first gas generator, a first position sensor, a second position sensor, a first attitude sensor and a second attitude sensor are fixed to the side, close to the integrated controller, of the airbag shell. According to the device, the air bag shell is installed outside a protected object, connection of the power supply is completed, the power supply supplies power to the integrated controller and all components, and external parameters of the object are not affected basically in a normal state; when a protected object is accidentally immersed in a liquid environment to a certain degree, the integrated controller works, and extra buoyancy is provided for the protected object by utilizing an air bag inflation expansion principle, so that the damage to the protected object caused by the external environment is reduced or slowed down, and favorable conditions are created for subsequent search and rescue.

A protective suit to protect a wearer from ballistics and explosives. The protective suit comprises a base garment, an armor plate, and a plurality of shocks coupled to an interior surface of the base garment opposite to the armor plate.

Device for interception of incoming ordnance, comprises a dispersion unit to disperse an explosive cloud in an expected path of the incoming ordnance, a proximity detector to detect proximity of the incoming ordnance in relation to the explosive cloud; and an ignition unit associated with said proximity detector that ignites the explosive cloud to disrupt the incoming ordnance.

Disclosed is a method and system to provide protection for maritime vessels from multiple threat types including shoulder launched rocket propelled threats, ballistic (howitzer), and larger scale missile systems. According to an exemplary embodiment, the protection system is based on the ballistic launch (from the protected vessel) of an explosive charge(s) aimed ˜5 meters away from the vessel and ˜1 meter beneath the waterline followed by detonation to enable the formation of a water wall. Through the formation of a water wall, incident threats can be initiated (piezo fuze) and passivated through dynamic interaction with the water formation. In addition, the upward velocity of the water wall can enable an upwards rotation of the incident threat changing the orientation of the warhead jet formation (for shape charge warheads) above the vessel.

The application relates to the technical field of armor protection, in particular to an anti-explosion assembly based on ceramic and mechanical superstructure materials, which comprises a crushing energy-absorbing layer, the crushing energy-absorbing layer is boron carbide ceramic, which is used for reflecting and refracting the refracted wave of the explosion surface and dissipating the impact energy; a supporting energy-absorbing layer, the supporting energy-absorbing layer absorbs the impact energy after the ceramic is refracted by deforming itself; and a fragment protection layer, the fragment protection layer is an ultrahigh molecular weight polyethylene fiber composite material, which is used for intercepting the ceramic fragments of the crushing energy-absorbing layer and the fragments of the supporting energy-absorbing layer. Through the three-layer synergistic mechanism of the crushing energy-absorbing layer, the supporting energy-absorbing layer and the fragment protection layer, multi-stage attenuation of the explosion shock wave is realized. Meanwhile, after the explosion, the assembly is separated from the vehicle body by crushing and disintegrating, the additional weight of the vehicle body is reduced, and the ability of the vehicle to get rid of the dangerous area after being attacked is improved.

The application discloses a ceramic curved surface composite target plate, which comprises a metal back plate and at least two ceramic curved surface layers stacked in sequence from bottom to top, and each ceramic curved surface layer is composed of a plurality of ceramic arched curved surface units; the outer surface of the ceramic arched curved surface unit is composed of two top surfaces, two 1# side surfaces, two 2# side surfaces and two bottom surfaces; the ceramic arched curved surface units between the same layer and between the adjacent layers are staggered and overlapped, the adjacent 1# side surfaces and 2# side surfaces are tightly attached, the adjacent top surfaces and bottom surfaces are tightly attached, the upper surface of the metal back plate is tightly attached to the lowermost ceramic curved surface layer, and an arched force transmission structure is formed. The application has the characteristics of fully and uniformly conducting force and buffering, improves the impact resistance, is more excellent in impact resistance than a conventional composite plate, is lighter than a traditional metal protective plate, and is low in cost.

A personal ballistic protective device has a ballistic impregnable barrier formed of steel or synthetic ballistic material, an anterior layer positioned on a front side of the ballistic impregnable barrier, the anterior layer comprising a polymeric material configured to absorb and retain bullet fragments upon projectile impact, and a posterior trauma protection layer positioned on a rear side of the ballistic impregnable barrier, the posterior trauma protection layer comprising a molded low-density polymeric foam, wherein the ballistic impregnable barrier includes at least one aperture providing fluid communication between the anterior layer and the posterior trauma protection layer, and wherein impact by a projectile causes airflow through the aperture from the anterior side to the posterior trauma protection layer to reduce trauma to the wearer.

The utility model relates to an integral silicon carbide bulletproof plate blank, and relates to the field of safety protection components. The bulletproof device comprises a bulletproof component and a connecting piece, the bulletproof component comprises a sliding frame, a top plate is vertically fixed to the middle of the interior of the sliding frame, a plurality of top cylinders are transversely and vertically fixed to the top plate, sliding grooves are formed in the positions, located on the two sides of the top plate, of the vertical end face of the interior of the sliding frame, and sliding pressing plates are horizontally and slidably assembled in the sliding grooves of the sliding frame; a fiberboard is inserted between the sliding pressing plate and the top plate, silicon carbide plates are vertically arranged at the two ends of the interior of the sliding frame, guide grooves are vertically formed in the two sides of each silicon carbide plate, the guide grooves in the two sides of each silicon carbide plate are vertically and slidably assembled and connected with the sliding frame, and the connecting piece is assembled on the sliding frame. According to the bulletproof ceramic insert plate, the extrusion effectiveness of the bulletproof ceramic insert plate body is guaranteed, the situation that the multi-layer structure of the bulletproof ceramic insert plate body is layered due to impact is avoided, and the manufacturing cost and complexity of the bulletproof ceramic insert plate body are reduced.

The invention discloses a tubular modular ceramic composite armor which is formed by splicing a plurality of armor units, and each armor unit comprises an outer side impact buffer layer used for absorbing impact waves generated by explosion and absorbing vibration impact generated by a damage element in the penetration process, and an inner side impact buffer layer used for absorbing impact waves generated by explosion in the penetration process. The buffer layer between the tubular ceramics is used for ensuring the integrity of adjacent unpenetrated ceramic parts; the circumferential metal restraint layer is used for fixing the plurality of partitioned tubular ceramic parts, is in interference fit with the partitioned tubular ceramic parts, and provides prestress for the partitioned tubular ceramic parts to enhance the penetration resistance of the partitioned tubular ceramic parts, so that the broken ceramic blocks are located in the tubular armor, and the penetration resistance continues to be achieved; the plurality of spliced tubular ceramics are used for resisting penetration, abrasion and etching fractured elastic rods and deflection penetration ballistic paths of bullets, explosion-formed projectile EFP damage elements, energy-gathered rod flow JPC / jet flow JET damage elements or rod-type armor-piercing bullets, and reducing the surface density of the armor; and the hollow gap of the tubular ceramic plays a role of spaced armor.

A projectile impact mitigation system (100) is disclosed for wearable and structural protection. The system (100) includes a flexible armor layer (110) having a ballistic base sheet (112) and an array of inflatable origami-folded cells (120). Each foldable cell (120) expands from a collapsed to a three-dimensional configuration through an inflation assembly (130) comprising a micro-pyrotechnic squib (132) or a controllable gas valve (136). A sensor system (140) with a multi-frequency radar unit (144) detects an incoming projectile and transmits trajectory data to an electronic control circuit (150). The control circuit (150) computes a predicted impact point (156) and time-to-impact (154) and selectively activates corresponding inflation assemblies (130) just before impact. The expansion of the selected foldable cells (120) produces a counteracting force that decelerates or deflects the projectile while residual energy is absorbed by the base sheet (112), providing predictive, localized, and reusable ballistic protection.

The invention relates to the related technical field of anti-riot protection devices, and discloses an anti-riot protection device based on a non-Newtonian fluid and honeycomb composite structure, the anti-riot protection device comprises a base layer back plate assembly, and the outer side of the base layer back plate assembly is provided with a base layer cover plate assembly and a handheld rod assembly; the base layer back plate assembly is arranged between the base layer cover plate assembly and the handheld rod assembly; a liquid isolation net, an auxiliary isolation box and a cylindrical damping device are arranged between the base layer cover plate assembly and the base layer back plate assembly, the space between the liquid isolation net and the auxiliary isolation box is filled with non-Newtonian fluid, and the auxiliary isolation box is filled with hollow balls; through the cooperative design of the hexagonal staggered arrangement structure of the liquid separation net and the non-Newtonian fluid in the first mounting cavity, the primary interception and uniform dispersion of external impact energy are realized by utilizing the efficient stress dispersion characteristic of the hexagonal structure and the impact response characteristic that the non-Newtonian fluid is strong when encountering strong.

A personal ballistic protective device has a ballistic impregnable barrier formed of steel or synthetic ballistic material, an anterior layer positioned on a front side of the ballistic impregnable barrier, the anterior layer comprising a polymeric material configured to absorb and retain bullet fragments upon projectile impact, and a posterior trauma protection layer positioned on a rear side of the ballistic impregnable barrier, the posterior trauma protection layer comprising a molded low-density polymeric foam, wherein the ballistic impregnable barrier includes at least one aperture providing fluid communication between the anterior layer and the posterior trauma protection layer, and wherein impact by a projectile causes airflow through the aperture from the anterior side to the posterior trauma protection layer to reduce trauma to the wearer.

The invention belongs to the technical field of anti-impact protection, relates to a core layer structure applied to a'sandwich 'laminated composite structure, and provides an' 8 '-shaped origami buffering and energy-absorbing structure which is a origami structure comprising m rings formed by rotationally connecting strip-shaped thin plates in an' 8 'shape, the structure is composed of a plurality of triangular surfaces, parallelogram surfaces and trapezoidal surfaces, and the triangular surfaces, the parallelogram surfaces and the trapezoidal surfaces are arranged in a geometric topology array to form a core layer; compared with a traditional corrugated board structure, the structure has the lower initial peak crushing load and the higher average crushing load, the energy absorption performance can be remarkably improved, and the structure is an efficient anti-impact energy absorption structure; the structure can be widely applied to the fields of anti-explosion and anti-impact protection of individual soldier protection equipment and armored vehicles and anti-impact protection of shells of missiles and aircrafts.

This invention discloses a lightweight ceramic composite armor and its preparation method. The armor is integrally molded from a pre-formed lightweight ceramic composite protective armor structure under triaxial pre-compression stress. The encasing layer completely encloses the main ballistic structure, and a damping layer is set in the encasing layer. The pre-formed lightweight ceramic composite protective armor structure includes a main ballistic structure, an encasing layer, and a damping layer. The main ballistic structure includes a ceramic panel, a first adhesive layer, a carbon fiber layer, a second adhesive layer, and an ultra-high molecular weight polyethylene fiber layer arranged sequentially. By using spliced ​​ceramics as the panel and combining two composite materials as the backing plate, and adding a damping layer, the synergy of the impact response between the various layers of the armor is improved. After applying compressive stress constraint to the overall armor through a high-strength fiber encasing layer, segmented molds, steel strips, and molding processes, the armor is co-cured, which limits cracking, delamination, and disintegration between the various layers of the armor, thereby improving the ballistic performance of the composite armor.

Device for interception of incoming ordnance, comprises a dispersion unit to disperse an explosive cloud in an expected path of the incoming ordnance, a proximity detector to detect proximity of the incoming ordnance in relation to the explosive cloud; and an ignition unit associated with said proximity detector that ignites the explosive cloud to disrupt the incoming ordnance.

This invention discloses a composite self-healing bulletproof material system based on rare earth catalysis and a dynamic covalent network, belonging to the field of intelligent protective equipment technology. The system is based on Ce... 3+ -ATSP Surface Repair Module and Gd 3+ The -2DPA-1 deep repair module works in synergy, employing a graded strategy of rapid surface repair and deep structural reconstruction to achieve a repair rate of ≥85% for scratches ≤2mm within 25 minutes and a repair rate of ≥78% for dents ≤5mm within 90 minutes. It innovatively proposes a quantitative coupling model between repair efficiency and impact energy absorption, and constructs a three-tiered repair network of surface-transition-deep layers. Integrated into the inner liner of a bulletproof vest, the system maintains a performance retention rate of ≥95% after 5 impact-repair cycles. This invention represents the first intelligent leap in bulletproof materials from "passive protection" to "active diagnosis-graded repair-functional retention," significantly enhancing the battlefield survivability of individual soldiers' equipment.

A barrier system utilizing one or more barrier devices that are made using layers of lightweight anti-ballistic materials formed into a flexible laminate that can flex and move upon deployment to stop ballistic projectiles such as bullets from entering a protected space. The barrier device is installed to protect the protected region and has a flexible barrier that may be retractable and deployable or may be fixed in place. The barrier system can be configured to protect entire rooms from projectile penetration through walls, windows, doors, and other structures.