8results about "Depth charges" patented technology

A device that simulates the sound and pressure characteristics of gunfire by combusting combustible fluid and facilitating a deflagration-to-detonation transition of that combustion. The device includes a manifold for receiving combustible fluids, or precursors thereof, and preparing quantities of it for combustion. The device also includes a combustion component that receives said quantities and combusts it in an elongated chamber. Also disclosed are types of obstacles that can create turbulence in a flame front to facilitate a deflagration-to-detonation transition.

The utility model relates to a simulated landmine which comprises a cylindrical chassis and a shell, a charging port is formed in the outer wall of the cylindrical chassis, a cavity is formed in the cylindrical chassis, the shell is clamped to the top of the cylindrical chassis, and a gland is arranged at the end, away from the cylindrical chassis, of the shell; a waterproof switch is fixedly arranged in the center of the interior of the cylindrical base plate, a trigger mechanism is fixedly connected to the interior of the shell, and when the gland is subjected to downward pressure, the trigger mechanism abuts against the waterproof switch; a controller is fixedly arranged in the cylindrical base plate, a buzzer and a time delay circuit are integrated in the controller, and the buzzer is electrically connected with the waterproof switch. After the device is triggered, the buzzer continuously alarms for 20 seconds through the time delay circuit, so that the explosion warning effect of a real landmine can be simulated, and continuous noise interference on training after false triggering can be avoided.

The utility model discloses an individual landmine simulation device, which comprises a shell and an external antenna, one side of the shell is provided with an upper cover, the individual landmine simulation device also comprises an integrated circuit board arranged in the shell, one side of the integrated circuit board close to the upper cover is connected with a pressure sensor through a plurality of connecting rods, one side of the upper cover close to the shell is provided with an EVA (Ethylene Vinyl Acetate) gasket, and the pressure sensor is connected with the pressure sensor through a plurality of connecting rods. The integrated circuit board is further provided with a controller, a wireless module, a storage unit, an audible and visual alarm and a battery, and the shell is provided with a protection assembly used for containing and protecting the antenna. The landmine simulation device provided by the utility model can simulate the striking efficiency and effect of an antiinfantry landmine on a battlefield in a highly real manner, provides a very vivid scene for military training, combat drilling and the like, and is helpful for improving the understanding and coping capabilities of soldiers to landmine threats.

To provide a spraying device that can spray a spraying agent stably and uniformly. [Solution] The spraying device 1 comprises a cylindrical body 2, a spraying agent storage section 4 formed inside the body 2 and containing a simulated reagent 4A, an explosive 9 located below the spraying agent storage section 4, and a piston 10 located between the explosive 9 and the spraying agent storage section 4. In this spraying device 1, the combustion pressure generated when the explosive 9 is ignited causes the piston 10 to press against the spraying agent storage section 4, thereby spraying the simulated reagent 4A to the outside.

The utility model relates to a functional sound smoke prevention infantry landmine training device triggered by pressure, which comprises a box body and a box cover, a first flue is fixed at the lower part of the box cover, and a second flue is arranged in the box body; a fuming device is arranged in the second flue; at least one group of elastic supporting devices are arranged in the box body; a conductive device is arranged between the elastic supporting device and the box cover; a power supply and a sounding device are fixed at the bottom of the box body; and the power supply, the sounding device, the smoke generating device and the conductive device are electrically connected. According to the utility model, the sounding device and the smoke generating device are arranged in the box body, and harsh explosive sound and strong red (blue) smoke can be generated after triggering, so that the diversity and functionality of the teaching aid are effectively enriched from the visual and auditory aspects, and the problem of low training effect caused by poor explosion effect in the training process is solved.

The utility model relates to the technical field of practice or coach ammunition, and particularly discloses a simulated thunder for vehicle training, which comprises an outer shell, an inner shell, a detection part, a warning part, a safety part, a fuse part and a power supply, the fuze part comprises a fuze plate and a connecting piece, and a fuze circuit and a processing chip are distributed on the fuze plate; the detection part, the warning part, the safety part and the power supply are all connected to the fuze part through connecting pieces, and the power supply provides energy for all the parts; the safety part comprises a control piece and a safety switch, and the safety switch is exposed on the outer shell; the detection part comprises an induction coil, and the processing chip at least receives an induction electric signal output by the induction coil and at least outputs a working electric signal to the warning part when the induction electric signal reaches a threshold value so as to start the warning part. According to the utility model, the magnetic field generated by the induction coil is used for detection, the coverage area is large, and a real landmine special for an automobile can be simulated, so that the authenticity of automobile lightning protection training is improved.

A small explosive simulation device for tactical training. The device replicates the form, fit, and function of standard operational small explosives, such as flash bangs, including pull-pin tension, safety mechanisms, and a spoon ejection sequence. Upon activation, the device uses integrated electronics to simulate real-life delay fuses with randomized timing and wirelessly transmits signals to external simulation systems, namely, effect generators. This enables realistic small explosive training scenarios without the risk of physical harm or explosive materials.

Dummy Mine The invention relates to a dummy mine (1) comprising a rigid upper face (2) one form of which corresponds to the form of an upper face of a real mine, characterized in that the dummy mine (1) further comprises: a foldable side wall (3a), integral with the rigid upper face (2); a lower wall (3b), integral with the foldable side wall (3a); and a closable opening (4) leading into a variable-volume interior space jointly defined by the rigid upper face (2), the foldable side wall (3a), and the lower wall (3b); the variable-volume interior space being configured to move the dummy mine (1) from a transport position, in which the interior space has a first volume, to a use position, in which the interior space has a second volume, larger than the first volume, and the dummy mine (1) has the shape of the real mine. Figure to be published: Figure 1