198results about "Firework simulations" patented technology

An improved system and method for ignition of a gaseous or dispersive fuel-oxidant mixture is provided where a gaseous or dispersive fuel-oxidant mixture is supplied to a detonator tube having a fill point and an open end and an igniter placed at an ignition point within the detonator tube is ignited while the gaseous or dispersive fuel-oxidant mixture is flowing through the detonator tube. A detonation impulse is produced at the ignition point that propagates to the open end of said detonator tube where it can be supplied to a detonation tube having an open end, to an internal combustion engine, a combustion chamber, and to a pulse detonation engine.

A diversion grenade (200) comprising: a transparent body (102) in which is located one or more charges of flash material (104); an internal power supply (114); a control circuit (126) that is responsive to one or more inputs, the control circuit (126) producing one or more output signals; and an external user operated trigger (110) for initiating a user input for activating the grenade (200). The grenade (200) may also include tracer lights (122) and sound emitters (201).

A non-detonable explosive scent source for use as a tool in training dogs to detect explosive is disclosed. The tool utilizes actual explosive materials as the scent source, and not diluted or synthetic explosive materials. The explosive is contained in a carrier made from a non-volatile material such as metal, ceramic or the like. The explosive is contained in sub-critical dimension receiver spaces formed within the carrier and exposed to atmosphere. The receiver spaces have at least one dimensional parameter less than the “critical thickness” of the explosive material. “Critical thickness” relates to a property of explosive materials that requires every dimension of the explosive material in a charge must exceed the critical thickness property of the explosive used or the charge will not detonate. When any dimension of a charge's explosive material is smaller than the explosive's critical thickness, the charge in effect ceases to be an explosive charge.

A diversion grenade (200) comprising: a transparent body (102) in which is located one or more charges of flash material (104); an internal power supply (114); a control circuit (126) that is responsive to one or more inputs, the control circuit (126) producing one or more output signals; and an external user operated trigger (110) for initiating a user input for activating the grenade (200). The grenade (200) may also include tracer lights (122) and sound emitters (201).

A diversion device capable of generating a disorientating flash and a disorientating sound without an explosion has a housing with a cavity containing an inert gas, a piston and a powder. The powder creates the flash via ignition after exiting the device. The device also includes a mechanism configured to ensure the powder encompasses the device upon exit and does is not dispersed in a substantially horizontal plane. In addition, the device may include devices capable of creating a disorientating sound as the inert gas escapes the device.

A diversion device capable of generating a disorientating flash and a disorientating sound without an explosion has a housing with a cavity containing an inert gas, a piston and a powder. The powder creates the flash via ignition after exiting the device. The device also includes a mechanism configured to ensure the powder encompasses the device upon exit and does is not dispersed in a substantially horizontal plane. In addition, the device may include devices capable of creating a disorientating sound as the inert gas escapes the device.

An improved system and method for controlling and directing sound waves is provided. A fuel-oxidant mixture is supplied to at least one detonator having at least one spark initiator. The fuel-oxidant mixture flows through the at least one detonator and into the closed end of at least one detonation tube also having an open end. The timing at least one spark initiator is controlled to initiate at least one spark within the at least one detonator while the fuel-oxidant mixture is flowing through the at least one detonator thereby initiating a detonation wave at the closed end of the at least one detonation tube. The detonation wave propagates the length of the at least one detonation tube and exits the open end of the at least one detonation tube as a sound wave. When multiple detonation tubes are detonated with controlled timing, the resulting sound waves are directed to a desired location. Sound waves can be directed from groups of detonation tubes and from a sparse array of detonation tubes.

An improved system and method for ignition of a gaseous or dispersive fuel-oxidant mixture is provided where a gaseous or dispersive fuel-oxidant mixture is supplied to a detonator tube having a fill point and an open end and an igniter placed at an ignition point within the detonator tube is ignited while the gaseous or dispersive fuel-oxidant mixture is flowing through the detonator tube. A detonation impulse is produced at the ignition point that propagates to the open end of said detonator tube where it can be supplied to a detonation tube having an open end, to an internal combustion engine, a combustion chamber, and to a pulse detonation engine.

The invention discloses a device for displaying small-size caption-pattern fireworks, which comprises a basal plate provided with a plurality of jacks, the jacks are arranged on the basal plate according to caption-pattern contents, axial lines of the jacks are inclined to a plane where the basal plate locates, the inclination directions of the jacks all point to the stroke direction of characters or the line direction of patterns, effect powders are directly arranged in the jacks, or effect cartridges containing fireworks are arranged in the jacks, and the effect powders or the effect cartridges in the jacks are connected by an ignition device. As the inclined jacks are arranged on the basal plate, fireworks jetted from all jacks are connected end to end and mutually jointed together to form continuous strokes or lines without breakpoints; the contents of characters or patterns to be expressed can be displayed definitely even if a person watches at a nearer distance; and meanwhile, the invention adopts an ignition slot so as to avoid the burning effect interference and the potential safety hazard caused by lead-wire burning.

The invention discloses a firework gunpowder strip for assembling a caption pattern firework, which comprises a flexible wrapping layer. Fireproofing treatment is carried out on the flexible wrapping layer, and gunpowder with the effect of the firework is wrapped in the flexible wrapping layer. A plurality of fire spraying holes which are arrayed in line are uniformly distributed on the wrapping layer along the longitudinal direction of the wrapping layer. The gunpowder with the effect of the firework is in multipoint connection with a quick lead wire. As the firework gunpowder strip is a product formed in one step and adopts unified standards in specifications and quality, time, colors and the like of firework pictures when in ignition are neat and uniform; as large quantities of working procedures are reduced in the assembling link, the production process is simple and the operation is convenient; moreover, the production cost is greatly reduced.

This invention relates to a method that can be used to scientifically fabricate pseudoscents of explosives, which, in their entirety, are comprised of non-energetic materials. It also discloses specific compositions of such pseudoscents, which can be used as energetically-inert-but-odoriferously-identical simulants for a range of explosives and are comprised of non-energetic components of the scent signature of an explosive and / or energetic scent components of the same headspace scent signature that have been rendered non-energetic. The scents achievable by the groups of formulations generated by this method encompass the different types of military and commercial explosives, and the components within the pseudoscents can be tuned to generate simulants representative of different qualities and quantities of such explosives. These explosive-scent simulants can be used to bolster existing explosive detecting dog (EDD) training programs, establish new training paradigms in canine, rodent, insect, and other creature explosive detection and training and, in some cases, increase the efficiencies of analytical instruments that rely on the phenomenon of vapor sampling to detect explosive materials.

The invention discloses a cold fireworks excitation device for cold fireworks eruption devices and a cold fireworks eruption device. The cold fireworks excitation device comprises a heating mechanism for gradually heating metal powder during the transfer process, an ignition mechanism for exciting and igniting the heated metal powder through air flow and an eruption mechanism for erupting the ignited metal powder by using the air flow of the ignition mechanism, wherein the output end of the heating mechanism is communicated with the ignition mechanism, the output end of the ignition mechanism is communicated with the eruption mechanism; the air flow output end of the ignition mechanism is towards the eruption mechanism; and an eruption port is arranged on the eruption mechanism. The whole process does not need loading gunpowder, the shooting off of the fireworks is safe and does not generate polluted smoke, after the metal powder is erupted, the metal powder quickly cools out and goes out and does not cause any security hidden danger.

A simulant material for simulating hazardous materials, comprising a quantity of at least one explosive material and at least one inert material. The simulant material is a non-explosive material and is in the form of a homogenous, flexible and non-particulated material. The invention is also concerned with a method for manufacturing such a stimulant material

The invention relates to a firework control method, in particular to a method for controlling numerical control firework advertisement captions controlled by electronic equipment. The control method is characterized in that: at least a firework displaying component, a signal receiving component and a control circuit component are provided; the control circuit component is used for receiving firework patterns, such as character and image information through the signal receiving component; the firework displaying component displays fireworks according to firework displaying information, such as time, space, angle and types of displayed fireworks; firework igniting devices are arranged in a dot matrix form; the dot matrix may have various shapes, including rectangle, rhombus and triangle and the like; and the density of the dot matrix can be determined according to practical situation. The method for controlling the numerical control firework advertisement captions has the advantages of convenient installation, design and use.

The invention provides an air-cracker single piece, which comprises a cracker body, a sliding sleeve and a cracker head; a lower air chamber is formed on the left side of the cracker body which is provided with a mounting post; the sliding sleeve is slidably sleeved on the mounting post; the cracker head is fixed with the mounting post and seals the right opening of the sliding sleeve; an upper air chamber is defined between the sliding sleeve and the cracker head; an air inlet hole is formed on the cracker head; an explosion gap is arranged at the connection of the sliding sleeve and the cracker body; and a reset mechanism is disposed between the sliding sleeve and the cracker head. The air-cracker single piece provided by the invention achieves the advantages of easy resetting, simple structure, safety, environment protection and reusability.

An explosion simulation device comprising an elongated body formed with a hollow chamber, the body being formed with end apertures at opposite ends thereof and a plurality of radially-directed side apertures along an axial length thereof, the end apertures and side apertures being in fluid communication with the hollow chamber, a pyrotechnic substance disposed in the hollow chamber, and a detonator disposed in the body for detonating the pyrotechnic substance, wherein the end apertures and side apertures are arranged with respect to one another such that forces of post-combustion gases, formed as a product of detonation of the pyrotechnic substance and which are vented through the end apertures and side apertures, are directed in directions that tend to cancel movement of the body.

The present invention relates to a cylindrical emitting device of bursting emitter, which is composed of an accommodating container that accommodates the emitting objects and a main body part that makes the accommodating container freely arranged and can eject out air; the main body part is provided with an air spraying outlet at the front end, and is provided with a tubular air emitting chamber, a casing and a gas leading-out channel; a through hole protuberance is projectingly arranged at the front part of the air emitting chamber, a loaded spring is arranged at the rear side of the air emitting chamber and a regulation component is arranged at the middle part between the top end of the air emitting chamber and the rear end; a clipping component is arranged at the inner wall of the air emitting chamber and an operating handle is arrange at the external side of the main body part; an air container is arranged in the gas emitting chamber, the air container is slide to that the regulation component becomes open posture from the definitive position and slides to the front end of the air emitting chamber with the elasticity of the loaded spring, the through hole is opened when the front end of the air container is impacted by the through hole protuberance, the shooting object accommodated in the accommodating container is emitted after the compressed gas is emitted.

The invention relates to wireless remote controlled launch type fireworks and firecrackers, and belongs to the technical field of electronics. Traditional fireworks and firecrackers use gunpowder, a great amount of smog is generated when explosion occurs, and not only is air polluted, but also disadvantages of fires and personal injuries and the like exist. According to the uniquely designed wireless remote controlled launch type fireworks and firecrackers, a wireless remote controller controls an electromagnet, the electromagnet controls a launch barrel formed by a high-elasticity spring, electronic fireworks and firecrackers are shot off to the sky, electronic record sounding, electronic music and colorful laser patterns are added, small parachutes are added to prolong the acousto-optic effect time in the air of the electronic fireworks and firecrackers, the complete simulating of the dynamic of the traditional fireworks and firecrackers is achieved, and acousto-optic effects all greatly exceed the traditional fireworks and crackers, and the wireless remote controlled launch type fireworks and firecrackers are novel smoke-dust-free launch type fireworks and firecrackers.

The invention discloses a feeding device for a cold firework eruption device and the cold firework eruption device. The feeding device for the cold firework eruption device comprises a feeding channel used for receiving continuously-falling metal powder from a continuous discharging device and conveying the metal powder to an ignition area to be ignited; the feeding channel is provided with a feeding opening corresponding to a discharging opening of the continuous discharging device, a rotary feeding roller which is arranged in the axial direction of the feeding channel and used for continuously pushing the metal powder falling from the continuous discharging device through circumferential rotation to the ignition area to be ignited is arranged in the feeding channel; and the outer surface of the rotary feeding roller is provided with continuous spiral protrusion structures and / or continuous spiral sunken structures. The continuity and the homogeneity of feeding of the metal powder are guaranteed. By controlling the rotating speed of the rotary feeding roller, the cold firework eruption effect can be easily controlled, and the visual effect of the cold firework stage effect can be better shown.

This invention relates to a kind of fireworks with a fan-like flash posy set-off effect including several emission tubes put slanting and arrayed in line, the emission tubes of each line are arrayed in fan, quick-ignition connection is applied among tubes in a same line and slow-ignition connection is applied at ether end between two lines, emission powder and powder posts made of set-off powder are set in the tubes, said set-off powder includes a core, an ignition powder, the weight percentage of the composition in the core is: CuO 15-45%, BaNO3 15-45%, MgAl alloy powder 15-50%, dextrin 1-3%, the weight percentage of each composition in the ignition power is: KNO3 35-65%, sulfur 2-15%, charcoal 20-50%, dextrin 4-8%, said core is mixed in terms of 20-50% weight ratio and the ignition powder is 50-80%.

The invention is the rolling caption fireworks and the forming method, and relates to the fireworks field. The invention provides a new conception of fireworks showing, which concretely is that it unite the traditional caption displaying form with the present large-scale of electronic screen displaying. It makes the fireworks injecting device display in lattice form, and the injecting devices compose the lattice block and then form the displaying screen. The computer software controls the displaying contents of the roller displaying screen. Each lattice of the lattice block controls every electromagnetic valve of the injecting device, and the injecting device is arranged in lattice form.

The invention provides a cold firework eruption device which comprises a material supply device, a feeding device, a driving device, an eruption device, a detection device and a control device. The driving device is used for driving the material supply device and the feeding device, the feeding device is connected with the material supply device and used for receiving cold firework materials supplied by the material supply device, a heating device is arranged on the feeding device and used for heating the cold firework materials, the eruption device is connected with the feeding device and used for receiving the cold firework materials supplied by the feeding device and heated by the heating device and erupting the cold firework materials, and the control device acquires detection values of the detection device and controls the driving device to move.

The invention relates to a firework control method, in particular to a numerical control firework advertisement caption system controlled by electronic equipment. The system at least comprises a firework displaying device, a firework pattern input device and a firework processing control system. The numerical control firework advertisement caption system is convenient to install, design and use.