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45results about "Firework simulations" patented technology

Multi-flame powder combustion eruption device

PendingCN119687731AFirework simulationsPlasma generatorMechanical engineering
The invention discloses a multi-flame powder combustion eruption device. The multi-flame powder combustion eruption device is characterized in that a quantitative blanking powder bin is communicated with an eruption pipe through a pneumatic pipeline; the spraying pipe is provided with a spraying guide cavity, the plasma generator discharges gas in the spraying guide cavity to form a plasma arc area, and the plasma arc area and the cavity wall of the spraying guide cavity have a distance which enables the plasma arc area and the cavity wall of the spraying guide cavity not to make contact. The plasma arc region is a free arc region or a compressed arc region; powder in the powder bin is quantitatively discharged into the pneumatic pipeline, the pneumatic pipeline conveys the powder into the eruption guide cavity, and airflow drives the powder to pass through the plasma arc area and then is sprayed out of an eruption opening of the eruption guide cavity. The plasma generator controls the working temperature of the plasma arc area according to the material and particle size of the powder. And the firework effect of various flame colors can be displayed. The energy loss is effectively reduced, the heating speed is high, the temperature uniformity is good, and the energy consumption is low; the device has the advantages of simple structure, safety and reliability.
Owner:卜海云

Combustible powder cold light firework effect generating device

PendingCN120101587AFirework simulationsFireworksHot Temperature
The combustible powder cold light firework effect generating device comprises a powder storage device and a heating body, and a heating cavity of the heating body is provided with a bent or spiral powder channel; the combustible powder in the powder storage device passes through the powder channel based on wind power to be heated and ignited. When combustible powder flows in a bent or spiral powder channel based on wind power, powder particle flow needs to be subjected to reversing movement, so that the friction coefficient and normal pressure between powder particles and the channel wall are greatly increased, and local high-temperature friction heat is generated. Therefore, the heating body only needs to provide a relatively low heating temperature, the combustible particles can be reliably ignited to be sprayed out under the cooperation of local high-temperature friction heat, and the cold light firework effect formed by the star body effect of combustible powder combustion is achieved.
Owner:卜海云

Contact ignition combustible powder cold light firework effect generating device

PendingCN120176497AFirework simulationsPlasma generatorEngineering
The invention discloses a contact ignition combustible powder cold light firework effect generating device which comprises a powder channel provided with an eruption opening, and heating pieces are distributed in the powder channel and are resistance heating pieces; the powder storage device is used for feeding combustible powder into the powder channel; the wind power assembly is used for inputting airflow into the powder channel; the combustible powder carried by the airflow is in contact with the heating piece when passing through the powder channel, is ignited and is sprayed out from the spraying opening. The combustible powder is directly contacted with the heating body to be ignited, so that the heat transfer link is saved, the energy consumption is effectively reduced, and a necessary ignition component in the prior art is omitted; and preheating or a plasma generator, a pressure fuel assembly and the like are not needed, so that the device is relatively simple in structure, and product miniaturization is facilitated.
Owner:卜海云

Ignition device with cold light firework spraying effect

ActiveCN223985651UFirework simulationsCombustion chamberFireworks
The utility model discloses an igniter with a cold light firework ejection effect, an igniter body comprises a combustion chamber, a mixing chamber, a fuel assembly and an ignition device, fuel in the fuel assembly is ejected into the mixing chamber to be mixed with air to form mixed airflow, and the mixed airflow is ignited by the ignition device; the device further comprises a powder storage device for storing combustible powder, the powder storage device is arranged close to the area where the mixed airflow passes through, and a discharging port of the powder storage device communicates with the mixing chamber and / or the combustion chamber so that the combustible powder and the mixed airflow can be mixed and combusted. When fuel of the igniter body is sprayed out at a high speed, surrounding air and powder are sucked in through suction force of airflow, the combustible powder is fully mixed with the air and fuel gas and is combusted and sprayed out, the combination of the star effect of combustion of the combustible powder and flames of the igniter can be presented, and the firework effect presented by cold light fireworks can be completely simulated. Effective function fusion of the cold light firework effect and the portable igniter is ingeniously achieved.
Owner:卜海云

PYROTECHNICAL STARTING UNIT

ActiveDE602021036720T2Firework simulationsAmmunition projectiles
Owner:STRICTLY FX LLC

Rotary double-spraying decoration spraying machine

The utility model discloses a rotary double-spraying decoration spraying machine, which aims to be capable of rotating during decoration spraying, not spraying decoration at a fixed position, and better in ornamental value, is provided with a double-spraying decoration system, can improve the decoration spraying amount, and comprises a base, a box body and a rotary driving unit, the box body is rotationally connected with the base, and the rotary driving unit drives the box body to rotate; two spraying decoration units are arranged in the box body, each spraying decoration unit comprises a spraying decoration pipe, a feeding pipe, a charging module, a feeding module, a heating module and an air blower, the upper end of the spraying decoration pipe is connected with the top of the box body and connected with the outside, the lower end of the spraying decoration pipe is connected with the air blower, the feeding pipe is communicated with the spraying decoration pipe, and the charging module conveys materials into the feeding pipe; the heating module heats the feeding pipe, the feeding module conveys materials in the feeding pipe into the spraying decoration pipe, and the air blower sprays out the materials in the spraying decoration pipe.
Owner:GUANGZHOU EWAY STAGE EQUIP TECH

Saluting gun loading and replacing structure on saluting gun vehicle

PendingCN121323414AFirework simulationsVehicle frameElectrical control
The invention relates to the technical field of saluting gun trucks, and provides a saluting gun loading and replacing structure on a saluting gun truck, comprising a frame, a support frame hinged to the inner side of the frame, a hydraulic rod hinged to the outer side of the frame, an output end of the hydraulic rod hinged to the support frame, and a main gun barrel fixedly connected to one end of the top of the support frame, a mounting, replacing and igniting integrated mechanism is arranged at the other end of the top of the supporting frame and comprises a mounting plate fixedly connected to the top of the supporting frame, a rotating shaft is rotationally connected to the top end of the mounting plate, a rotating frame is fixedly connected to the rotating shaft, and a plurality of auxiliary cannon assemblies are arranged on the outer edge of the rotating frame; the outer side of the machine box is fixedly connected with a cambered surface pressing base, a driving piece is arranged on the inner side of the machine box, and an ignition piece is arranged on the supporting frame. Through combination of mechanical automation and electrical control, the problems of efficiency, safety and synchronism of an existing saluting gun vehicle are effectively solved.
Owner:CHONGQING CHUANGXIANGHAO MODEL TECHNOLOGY CO LTD

Heating system of cold flame spraying machine

ActiveCN223741354UFirework simulationsCoil arrangementsCool flameHeating system
The utility model discloses a heating system of a cold flame spraying machine, which comprises a conveying pipe used for conveying cold flame materials, a plurality of independent heating modules are sleeved on the outer surface of the conveying pipe, each heating module comprises a ceramic sleeve, a heating coil wound on the ceramic sleeve and a wiring terminal connected on the heating coil, and the ceramic sleeve is sleeved on the wiring terminal. And a ceramic space ring is arranged between the ceramic sleeves of the adjacent heating modules. Annular partition plates extending outwards in the radial direction are arranged at the left end and the right end of the ceramic sleeve, fixing columns are arranged on the outer side faces of the annular partition plates, and fixing holes capable of being matched with the corresponding fixing columns in an inserted mode are formed in the left side face and the right side face of the ceramic space ring. The device has the advantages of being more efficient, economical, reliable and higher in adaptability.
Owner:ZHONGSHAN BAITIAN PHOTOELECTRIC TECH CO LTD

Quick-spraying decoration spraying machine

PendingCN119642659AFirework simulationsStage arrangementsProcess engineeringMaterial supply
The invention discloses a quick-spraying decoration spraying machine, an inflatable air storage tank is arranged in a machine box, the spraying height of the decoration spraying machine can be increased without an external air source, the technical scheme is that the quick-spraying decoration spraying machine comprises the machine box, a heating module, a feeding module, an air storage tank and an air supply module are arranged in the machine box, a spraying pipe is arranged on the machine box, and the air supply module is arranged on the machine box. The heating module is internally provided with a heating chamber capable of heating, one end of the heating chamber is connected with the material spraying pipe, the other end of the heating chamber is connected with the gas storage tank through a first connecting pipe, the first connecting pipe is provided with an electromagnetic valve, and the material supply module supplies materials to the heating chamber; the air supply module supplies air to the air storage tank. The stage device belongs to the technical field of stage equipment.
Owner:GUANGZHOU XINMA ELECTRONIC TECH CO LTD

A cold fireworks machine

PendingCN122149266AFirework simulationsFireworksPhysics
The present application relates to a kind of cold fireworks machine, it includes: frame and setting in frame blanking mechanism, heating device, feeding mechanism, injection mechanism, driving mechanism and control component;Heating device includes ceramic tube, heating wire and power plug, ceramic tube is sleeved in the outer periphery of feeding mechanism, ceramic tube includes outer peripheral wall, inner peripheral wall and the tube wall thickness part between outer peripheral wall and inner peripheral wall, multiple axial through heating holes are arranged in tube wall thickness part, multiple heating holes are evenly spaced along the circumferential direction of ceramic tube, heating wire is sequentially arranged in multiple heating holes, to be arranged at the periphery of inner peripheral wall.The present application is arranged by multiple axial through heating holes in ceramic tube, and heating wire is sequentially arranged in multiple heating holes, to form the effect that heating wire is evenly arranged in the periphery of inner peripheral wall in large area, not only can improve heating efficiency, and cost can be greatly reduced relative to the mode of heating coil.
Owner:陈星云

Gunpowder-free cold firework eruption device

InactiveCN120043401AFirework simulationsStage arrangementsThermodynamicsCombustion
The invention discloses a gunpowder-free cold firework eruption device, which belongs to the technical field of cold firework performance, and comprises a rack, an ignition assembly, a feeding assembly, an injection structure and an air supply device, the input end of the ignition assembly is connected with a discharging port of the feeding assembly, the ignition assembly is used for electromagnetically heating metal powder and inputting the metal powder into the spraying structure, the spraying structure is arranged at the output end of the air supply device, and the air supply device introduces airflow into the spraying structure to spray the ignited metal powder. By arranging the ignition assembly and the ventilation structure, metal powder can be ignited in all directions in an electromagnetic mode, meanwhile, air is blown into the ignition assembly through air pressure of the air supply device, the metal powder can be preliminarily ignited in the ignition assembly, and the situation that the metal powder cannot be fully ignited when entering the injection structure to be erupted is avoided; therefore, the problem that the cold fireworks are poor in ornamental value due to the fact that the cold fireworks eruption device is prone to insufficient combustion during ignition is effectively solved.
Owner:LIAO NING SHENG HE DING DIAN ZI KE JI YOU XIAN GONG SI

Spraying system of upward spraying type cold flame spraying machine

PendingCN119533203Aprevent fallingIncrease jet heightFirework simulationsMechanical engineeringCool flame
The invention discloses a spraying system of an upward spraying type cold flame spraying machine, which comprises a spraying pipe arranged along the vertical direction, the upper end of the spraying pipe is provided with a nozzle, the side wall of the spraying pipe is provided with a cold flame input interface, the lower end of the spraying pipe is connected with a bent pipe, and the tail end of the bent pipe is connected with a fan. And the tail end of the bent pipe is warped upwards, so that the tail part of the fan is lifted by an angle A. The invention has the advantages of improving the reliability and prolonging the service life of the spraying decoration machine.
Owner:ZHONGSHAN BAITIAN PHOTOELECTRIC TECH CO LTD

Environment-friendly mechanical sound effect firecracker simulation device

PendingCN121739827AFirework simulationsFirecrackerSound generation
The invention discloses an environment-friendly mechanical sound effect firecracker simulation device, and relates to the technical field of firecracker simulation devices.The environment-friendly mechanical sound effect firecracker simulation device comprises two supporting columns, a rolling assembly is arranged between the two supporting columns, and a driving assembly is arranged in one supporting column; the two side baffles are symmetrically installed outside the supporting column, and the opposite sides of the two side baffles are provided with feeding assemblies used for pushing rectangular balloons; wherein the feeding assembly comprises a second magnetic attraction block, the second magnetic attraction block is connected with the side baffle through a sliding assembly, a U-shaped linkage plate is arranged outside the second magnetic attraction block, and a plurality of rotating balls are symmetrically connected to the U-shaped linkage plate in a sliding mode. According to the invention, a sound production mode of mechanically rolling the inflatable balloon is adopted. A precisely-designed rubber wheel set rolling system is matched with precise control of a servo motor, and the cracking sound effect similar to that of a traditional firecracker is achieved. Potential safety hazards such as open fire and explosion are fundamentally eliminated, and meanwhile harmful gas and solid waste pollution generated by gunpowder combustion are avoided.
Owner:GUANGDONG XIQIYANGYANG PRINTING IND CO LTD

Highly-simulated firecracker

ActiveCN114623730BFirework simulationsFirecrackerSimulation
The present application relates to electronic firecracker technical field, specifically refers to a kind of high simulation firecracker;Including box, lifting device, firecracker assembly, simulation device and electric control device are arranged in the box, the upper end surface of box is equipped with cover, the lower end of lifting device is fixedly connected with box, the upper end of lifting device is fixedly connected with cover;The upper end of firecracker assembly is fixedly connected with cover, and the lower end of firecracker assembly is equipped with trigger switch;It further includes a firecracker device, and the electric control device is connected with lifting device, firecracker assembly, simulation device and trigger switch respectively by circuit, and the firecracker device cooperates with trigger switch to start firecracker assembly and simulation device work;The present application has reasonable structure, and firecracker device triggers proximity switch to open electric control device, produces flash, explosion sound, smoke and paper, and second elevator drives storage bag and simulation assembly to rise, so that firecracker assembly shortens until the bottom of cover, can effectively simulate the scene effect when real firecracker is set off, improve the entertainment and authenticity of simulation firecracker.
Owner:刘付振标

Cold firework spraying machine capable of continuously spraying

ActiveCN223741355UFirework simulationsFireworksGas supply
The utility model discloses a cold firework spraying machine capable of spraying continuously. Comprising a feeding pipeline, a feeding device for adding a cold flame material into the feeding pipeline, a pushing device for pushing the cold flame material in the feeding pipeline forwards, a heating system for heating and igniting the cold flame material in the feeding pipeline, and an eruption device for erupting the heated and ignited cold flame material out, the tail end of the spray pipe is connected with a fan and an air supply device, a cold flame connector used for being connected with a feeding pipeline is arranged on the side wall of the spray pipe, the feeding pipeline is connected to the cold flame connector, a decoration spraying opening is formed in the head end of the spray pipe, and the air supply device comprises at least two compressed air supply systems capable of supplying compressed air in turn. And the same gas distribution valve is connected between the output end of each compressed gas supply system and the tail end of the spray pipe. The device has the advantages of continuous and stable gas supply and continuous injection.
Owner:ZHONGSHAN BAITIAN PHOTOELECTRIC TECH CO LTD

Spraying decoration machine

ActiveCN223064467UFirework simulationsStructural engineeringMechanical engineering
The utility model discloses a spraying decoration machine, a first protective cover can rotate, a discharging pipe is opened during spraying, and the protection grade of the spraying decoration machine is improved. According to the technical scheme, the spraying decoration machine comprises a machine base, the discharging pipe is arranged on the machine base, a spraying decoration supply unit is arranged in the machine base, and the spraying decoration supply unit is connected with the discharging pipe; a first driving part is arranged on the machine base, a first protective cover is arranged at the output end of the first driving part, and the first driving part drives the first protective cover to rotate so that the first protective cover can cover or open a pipe opening of the discharging pipe.
Owner:GUANGZHOU EWAY STAGE EQUIP TECH

Manual electronic combined concierge firework

ActiveCN222871334UFirework simulationsToys
The utility model relates to the technical field of concierge fireworks, and discloses a manual electronic combined concierge firework which comprises a launching cylinder and a rotating block, the bottom of the launching cylinder is fixedly connected with a gas cylinder, the middle of the launching cylinder is slidably connected with a storage box, the bottom of the gas cylinder is fixedly connected with a connecting ring, the middle of the connecting ring is fixedly connected with a clamping block, and the clamping block is fixedly connected with the rotating block. The top of the rotating block is fixedly connected with a connecting block, a clamping groove is formed in the outer side of the connecting block, the clamping block is connected with the clamping groove in a clamped mode, and a reset assembly is arranged at the top of the rotating block. According to the device, the rotating block drives the connecting block to move, so that the connecting block slides into the middle of the connecting ring, when the connecting block slides into the middle of the connecting ring, the extrusion block extrudes the pressure spring, and meanwhile, the rotating block is rotated to drive the connecting block to rotate, so that the clamping block and the clamping groove are clamped and fixed; and therefore, the gas cylinder and the rotating block can be conveniently connected and fixed.
Owner:ZHEJIANG ZHUANGHE CRAFTS CO LTD

Wall-mounted double-roller balloon extruding and exploding machine and roller for wall-mounted double-roller balloon extruding and exploding machine

ActiveCN223985653UFirework simulationsToy aircraftsMachineGear tooth
The utility model provides a wall-mounted double-roller balloon extruding and exploding machine and a roller used for the same. The balloon extruding and exploding machine comprises a mounting frame, a plurality of rollers and a driving device, the driving tooth roller and the driven tooth roller are arranged on the mounting frame side by side, the driving tooth roller can rotate around the axial direction relative to the mounting frame, and gear teeth which are meshed with each other are arranged between the peripheral surfaces of the driving tooth roller and the driven tooth roller, so that the driving tooth roller drives the driven tooth roller to synchronously rotate; and the suction cup mechanism is connected to the mounting frame and comprises a suction cup adsorbed on a plane. The balloon extrusion explosion machine provided by the utility model is convenient to use and good in extrusion effect.
Owner:AQING (LIUYANG) CULTURE TECHNOLOGY CO LTD

Torch special-shaped communication tower

PendingCN119373351AFirework simulationsSafety beltsTorchTower
The invention provides a torch special-shaped communication tower which comprises a mounting base, a vertical tower rod, an annular plate, a torch top and an arc-shaped plate, the mounting base is fixedly arranged on a foundation, and the vertical tower rod is fixedly erected at the top end of the mounting base. Air in the annular groove is driven to flow, then the ribbon cloth is driven to extend outwards, the ribbon cloth is made of red pigment, when the ribbon cloth is continuously driven to be unfolded outwards, the flame effect is simulated, the whole vertical tower pole is formed into a simulated torch pattern, the overall attractiveness is further improved, and the practicability is high. The lifting threaded shaft is in threaded connection with the lifting arc plate, the lifting arc plate is further driven to ascend and descend, the lifting arc plate ascends and descends to drive the connecting claw hook so as to drive the festival flag to ascend, the tail end of the flag is blown out through the slope notch in the side face of the annular plate, and the decoration effect is achieved.
Owner:8TELECOM INT HLDG CO LTD

Hand-held fine-safety cracker structure

ActiveCN223525684UFirework simulationsFireworksHand held
The utility model relates to the technical field of fireworks, and discloses a handheld fine-safety cracker structure which comprises a barrel, the barrel is composed of a tail barrel, a middle barrel and a head barrel, a driven part used for igniting gunpowder is arranged in the middle barrel, a control mechanism used for controlling the driven part is arranged on the middle barrel, and the head barrel is connected with the tail barrel. According to the handheld fine-safety cracker structure, through the arrangement of the driven part, when gunpowder needs to be added into the middle barrel, the middle barrel and the head barrel are detached, the L-shaped abutting rod does not abut against the head barrel any more, then the L-shaped abutting rod cannot apply thrust to the bearing block, the bearing block can be fixed, and the gunpowder can be added into the middle barrel, so that the gunpowder can be added into the middle barrel, and the safety of the cracker structure is improved. Under the action of the elastic piece, the bearing block drives the flintstone to move towards the side away from the friction wheel, so that the flintstone does not make contact with the friction wheel, safety during gunpowder filling is guaranteed, accidental gunpowder ignition and danger are avoided, meanwhile, secondary use can be achieved, and resource waste is avoided.
Owner:PINGXIANG CANDLELIGHT MFG CO LTD

Cold firework rotating waterfall type eruption equipment

ActiveCN222617745Uhighly stableGuaranteed stabilityFirework simulationsStage arrangementsThermodynamicsFireworks
The utility model relates to cold firework rotating waterfall type spraying equipment which comprises a rack, an assembling mechanism, a spraying mechanism, a feeding mechanism and a driving mechanism, the rack comprises a mounting plate, a first shell and a second shell are arranged at the bottom of the mounting plate at intervals, and a containing space is formed between the first shell and the second shell; the injection mechanism is arranged in the containing space and comprises an air source and an injection pipe which are communicated with each other, an injection opening of the injection pipe is arranged downwards, and the injection pipe is rotationally arranged on the rack; the feeding mechanism is arranged in the first shell and communicates with the injection pipe along the rotating axis of the injection pipe, and the injection pipe is rotationally arranged relative to the feeding mechanism; the driving mechanism is arranged in the second shell, and the rotating end of the driving mechanism is connected with the injection pipe; the cold firework rotating waterfall type eruption equipment can be hung at a high position, the spraying pipe can rotate in the eruption process, the pipe opening faces downwards, the cold firework effect like a waterfall is provided, the supply stability of cold firework raw materials can be guaranteed, and therefore it is guaranteed that the fireworks are continuous in the rotating process, and the height and the like of the fireworks are kept stable.
Owner:SHOWVEN TECH CO LTD

An air blast device

ActiveCN116447929BFirework simulationsAmmunition projectilesAir compressionColored smoke
This invention provides an air explosion device, comprising an explosive body, which is a hollow cylinder with an explosion port at the top. Protruding rings are fixed to the inner walls of the top and bottom of the explosive body. A sliding shaft assembly is installed inside the explosive body, and a central shaft assembly is enclosed within the sliding shaft assembly. A tail plate is fixed to the top of the central shaft assembly, and the bottom of the central shaft assembly is fixed to the bottom of the explosive body. The explosive body, central shaft assembly, tail plate, and sliding shaft assembly together form an air chamber structure. Compared to existing technologies, the explosive body can store compressed air, which can be released instantaneously through the movement of the sliding shaft, generating an explosion sound and shock wave. It can be used as a bird deterrent, a salute cannon, a seismic air gun, a blockage clearer, a blasting device, a drum, or other products that use compressed air to generate an explosion sound or impact force. It is not only safe and environmentally friendly but also more effective. Colored paper, water, or colored smoke can also be added inside the explosive cylinder to enhance the effect.
Owner:王新明

Balloon extrusion explosion machine

PendingCN120194570AFirework simulationsStructural engineeringMachine
The invention provides a balloon extrusion explosion machine. The balloon extrusion explosion machine comprises a mounting frame; each pair of extrusion rollers comprises a first tooth roller and a second tooth roller; each of the first tooth roller and the second tooth roller comprises a roller and end parts at the upper end and the lower end; a tensioning part; a feeding hole belt; all the first tooth rollers and / or all the second tooth rollers horizontally bypass the same feeding hole belt at the end part of the same end, and the other end of the feeding hole belt horizontally bypasses the corresponding tensioning part of the corresponding end; push-and-pull protruding columns which are matched with the perforation interval of the feeding hole belt and extend outwards and containing holes which are concave inwards are arranged on the peripheral faces of the two ends of the first tooth roller and / or the second tooth roller at intervals in the circumferential direction, so that the feeding hole belt is driven to rotate synchronously when the first tooth roller and the second tooth roller rotate. The positions, corresponding to the two ends, of the inner side face, close to the corresponding first tooth roller or second tooth roller, of the feeding plate are provided with buckling parts which extend inwards, can be buckled to the penetrating holes of the feeding hole belt, penetrate through the penetrating holes and then stretch into the containing holes. The balloon extrusion explosion machine provided by the invention is convenient to use.
Owner:AQING (LIUYANG) CULTURE TECHNOLOGY CO LTD

Pyrotechnic launch unit

ActiveEP4118393B1Ammunition projectilesFirework simulations
A modular pyrotechnic launch unit includes a launch module, a first module, and a second module. The launch module includes a launch barrel. The first module is coupled in series to the launch module. The first module includes a first ignition state in which the first module ignites a pyrotechnic element that will then pass through the launch barrel. The first module also includes a first pass-through state in which the first module allows a pyrotechnic element ignited by another module to pass through the first module. The second module is coupled in series to the first module. The second module includes a second ignition state in which the second module ignites a pyrotechnic element that will then pass through the first module and through the launch barrel.
Owner:STRICTLY FX LLC

Candy colored ribbon

ActiveCN223138490UFirework simulationsStructural engineeringMechanical engineering
The utility model is applicable to the technical field of entertainment tools, and provides a candy colored ribbon, which comprises a shell filled with a throwing object, when the two ends of the shell are stressed and pulled, the shell is stressed and divided into two sections, the throwing object respectively enters the two sections of the shell, the two ends of the shell are provided with handheld parts, and the handheld parts are connected with the shell. The middle section of the shell is provided with an easy-to-open line convenient for separating the shell, so that the interestingness of the device is increased, the structure of the ejection flower cavity is simplified, and the manufacturing cost of the device is reduced by arranging the ejection flower cavity into a manual throwing structure and arranging the shell into a candy structure.
Owner:QINGZHOU OUYUAN PAPER PROD CO LTD

Cold firework spraying machine capable of rotating by 360 degrees

ActiveCN223741353UFirework simulationsFireworksMechanical engineering
The utility model discloses a cold firework spraying machine capable of rotating by 360 degrees, which comprises a box body, a feeding pipeline is fixedly connected in the box body, the tail end of the feeding pipeline is connected with an air blowing device, the side wall of the feeding pipeline is connected with a feeding device, the box body is further rotatably connected with a rotating sleeve, and the rotating sleeve is connected with the air blowing device. The head end of the feeding pipeline is inserted into one end of the rotating sleeve, the feeding pipeline and the rotating sleeve can rotate relatively, a spraying pipe is arranged at the other end of the rotating sleeve, one end of the spraying pipe is inserted into the rotating sleeve, a spraying opening is formed in the other end of the spraying pipe, and a driving device used for driving the rotating sleeve to rotate is arranged between the rotating sleeve and the box body. The cold firework spraying device has the advantages that 360-degree rotary spraying of cold fireworks can be achieved, and the spraying effect is more gorgeous.
Owner:ZHONGSHAN BAITIAN PHOTOELECTRIC TECH CO LTD

Numerical control electronic ignition circuit

PendingCN120576627AFirework simulationsElectric spark ignitersCapacitanceHemt circuits
A numerical control electronic ignition circuit belongs to the technical field of electronic circuits. A conventional numerical control electronic ignition circuit needs to occupy four IO ports of a microprocessor, and in some working occasions (such as electronic fireworks and oxygen blasting), one microprocessor needs to control N ignition channels at the same time, so that a microprocessor with not less than 4N IO ports needs to be used. According to the invention, a capacitor charging circuit, a capacitor discharging circuit and an ignition resistor circuit are detected and integrated in one IO-A port, and an ignition control IO-B port is added, so that only two IO ports are needed, N ignition channels are controlled to have 2N IO ports, and the requirement on microprocessor resources can be reduced.
Owner:YUNNAN CHUANGXIN MICROELECTRONICS TECH CO LTD

Combustible powder cold light firework effect generating device

ActiveCN223985652UFirework simulationsWind powerHot Temperature
The utility model discloses a combustible powder cold light firework effect generating device which comprises a powder storage device and further comprises a heating body, a heating cavity of the heating body is provided with a powder channel, and the powder channel is provided with a wind power assembly for supplying air into the powder channel. The powder channel is provided with a high-temperature friction heat generating mechanism for enabling the combustible powder to collide with the inner wall of the powder channel; the combustible powder in the powder storage device passes through the powder channel based on wind power to be heated and ignited. When combustible powder flows in a powder channel provided with a high-temperature friction heat generating mechanism based on wind power, powder particle flow performs reversing motion, so that the friction coefficient and normal pressure between powder particles and the wall of the channel are greatly increased, and local high-temperature friction heat is generated. Therefore, the heating body only needs to provide a relatively low heating temperature, the combustible particles can be reliably ignited to be sprayed out under the cooperation of local high-temperature friction heat, and the cold light firework effect formed by the star body effect of combustible powder combustion is achieved.
Owner:卜海云

Discharging mechanism of instant cold firework eruption equipment and eruption equipment

PendingCN121323413AFirework simulationsStage arrangementsFireworksMetal powder
The invention relates to the technical field of cold firework eruption equipment, in particular to a discharging mechanism of cold firework instant eruption equipment and eruption equipment. The discharging mechanism comprises a hopper, a feeding mechanism and a discharging mechanism, the feeding end of the feeding pipe is connected with the discharging opening through a metal powder falling channel. The switch device is arranged at the metal powder falling channel; the switch device comprises a driving mechanism, a rotating shaft driven by the driving mechanism, and a cover plate fixedly connected with the rotating shaft; the driving mechanism is used for driving the rotating shaft to rotate so as to drive the cover plate to be switched between the closing position where the cover plate covers the discharging opening and the opening position where the cover plate leaves the discharging opening. The problem that in the prior art, horizontal sliding of the cover plate relative to the discharging port is converted into rotating motion, sliding friction force is used for solving the problem that the cover plate is abraded fast, and the problem that in the prior art, due to the fact that a motion gap exists between the cover plate and the discharging port, metal powder is blocked in the gap, and the gap is prone to being stuck is solved.
Owner:SHOWVEN TECH CO LTD