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WO2025050138A1 - Allumeur électronique intégré pour feux d'artifice - Google Patents

Allumeur électronique intégré pour feux d'artifice Download PDF

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Publication number
WO2025050138A1
WO2025050138A1 PCT/US2024/051180 US2024051180W WO2025050138A1 WO 2025050138 A1 WO2025050138 A1 WO 2025050138A1 US 2024051180 W US2024051180 W US 2024051180W WO 2025050138 A1 WO2025050138 A1 WO 2025050138A1
Authority
WO
WIPO (PCT)
Prior art keywords
firework
module
heating element
ignitor module
ignitor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/US2024/051180
Other languages
English (en)
Inventor
Scott Smith
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cobra Firing Systems LLC
Original Assignee
Cobra Firing Systems LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US18/662,047 external-priority patent/US20250067547A1/en
Application filed by Cobra Firing Systems LLC filed Critical Cobra Firing Systems LLC
Publication of WO2025050138A1 publication Critical patent/WO2025050138A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B4/00—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
    • F42B4/02—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes in cartridge form, i.e. shell, propellant and primer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • F42B3/12—Bridge initiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C19/00—Details of fuzes
    • F42C19/08—Primers; Detonators
    • F42C19/12—Primers; Detonators electric

Definitions

  • electronic firework firing systems utilize a pair of wires with a clip-on style fastener or the like (e.g., talon ignitors) that clips-on to a fuse of the firework.
  • the firing system outputs an electrical charge that is delivered via the wires to a high resistance element within the fastener, which becomes heated and ignites the fuse of the firework.
  • aspects of the present invention provide an ignitor module insertable into a firework that eliminates the need for fuses and talons.
  • the ignitor module includes: a first end having an interface configured for exposure on an exterior surface of the firework, the interface configured for receiving a plug; a set of electrical contacts adapted to receive electrical current from the plug; a heating element coupled to the electrical contacts and adapted to convert electrical energy to heat energy in response to receiving electrical current; and a second end having an ignition element located adjacent to the heating element that includes a pyrotechnic material, the pyrotechnic material adapted to ignite in response to heat generated by the heating element.
  • the invention includes a firework with an ignitor module embedded therein.
  • the firework includes: an ignitor module insertable into a firework, having: a first end having an interface configured for exposure on an exterior surface of the firework, the interface configured for receiving a plug; a set of electrical contacts adapted to receive electrical current from the plug; a heating element coupled to the electrical contacts and adapted to convert electrical energy to heat energy in response to receiving electrical current; and a second end having an ignition element located adjacent to the heat element that includes a pyrotechnic material, the pyrotechnic material adapted to ignite in response to heat generated by the heating element.
  • an ignitor module insertable into a firework includes: a first end having an interface configured for exposure on an exterior surface of the firework, the interface configured for receiving a plug; a set of electrical contacts adapted to receive electrical current from the plug; a second end having a heating element coupled to the electrical contacts and adapted to generate heat in response to receiving electrical current; and wherein the heating element is configured to directly ignite pyrotechnic material in the firework.
  • Figure 4 shows an isometric view of an ignitor module depicting details of a connection interface according to embodiments.
  • Figure 7 shows a isometric view of an alternative ignitor module according to embodiments.
  • Figure 8 depicts an alternative ignitor module installed in a firework according to embodiments.
  • Figure 9 depicts a further alternative ignitor module system according to embodiments.
  • Figures 10a and 10b depict further alternative embodiments of an ignitor module.
  • the drawings are not necessarily to scale. The drawings are merely schematic representations, not intended to portray specific parameters of the disclosure. The drawings are intended to depict only typical embodiments of the disclosure, and therefore should not be considered as limiting the scope of the disclosure. In the drawings, like numbering represents like elements.
  • the system includes an igniter module that is insertable through a wall or surface of a firework and replaces or augments a traditional fuse.
  • the igniter module generally includes (1) a first end configured for exposure on the exterior surface or wall of the firework and includes a connection interface (2) a second end that is inserted into the firework proximate the pyrotechnic material of the firework, and (3) an internal electrical igniter configured to ignite the pyrotechnic material of the firework in response to an electrical signal received via the connection interface.
  • the connection interface is configured to accept a plug or the like that connects wires to electrical igniter within the ignitor module.
  • the igniter module can be manufactured as part of or be integrated into the wall of the firework itself, e.g., as a cap, as the lower portion of the firework, etc.
  • FIG. 1 depicts an illustrative embodiment of an ignitor module 10 that is configured for insertion into a firework 12 at an access point 16, e.g., in a pre-drilled hole, a scored area, an opening or other type access point. It is envisioned that the ignitor module 10 can be inserted into a cardboard wall of the firework 12 at the time the firework is manufactured, or any time after it is manufactured (e.g., by a third party or a user). Furthermore, the particular location of the access point 16 on the firework 12 may be selected on the firework surface to most effectively ensure ignition of the firework 12.
  • ignitor module 10 includes a threaded shaft 18, a hex bolt head 20, a connection interface 22, and an ignition element 24.
  • the threaded shaft 18 and hex bolt head 20 are configured to allow the ignitor module 10 to be easily screwed into the firework 12 by rotating the hex bolt head 20, e.g., with a tool or by hand.
  • plug 14 can be inserted into the interface 22 to deliver an electrical charge via wires 15 and cause the ignition element 24 to ignite the firework 12.
  • Figure 2 shows a front view of the ignitor module 10 inserted into firework 12 with the connection interface 22 exposed on the surface of the firework 12.
  • Figure 3 depicts a side view of ignitor module 10 installed in firework 12. Also shown in Figure 3 are plug 14 installed in interface 22 (not shown), wires 15 and a firing module 30. As shown, the wires 15 are configured to plug into the firing module 30 at a first end and the ignitor module 10/firework 12 at the other end. Firing module 30 may for example include multiple ports for connecting to multiple fireworks (not shown) and be remotely controlled by an App running on a smart device or some other type of master control system used in the industry. When instructed, the firing module 30 delivers an electrical current over the wires 15 to the ignitor module 10, which ignites the firework 12.
  • Figures 4-6 depict various views of the ignitor module 10, which in this embodiment is manufactured in a hex bolt configuration.
  • Figure 4 depicts an isometric view of the ignitor module 10 showing the connection interface 22, with two electrical contacts, in this case exposed metal "male" pins 32 configured to mate with female receptacles in the plug 14.
  • plug 14 may be releasably attachable to the interface 22 so that it can be readily installed and removed, e.g., by pressing a spring-loaded button.
  • the plug 14 may mechanically snap or twist into the interface 22 in a predefined orientation to lock the plug 14 in place.
  • non-mechanical electrical contacts may be utilized, such as a magnetic connection.
  • any interface and plug configuration may be utilized to create a stable electrical connection with a set of (i.e., one or more) electrical contacts in the ignitor module.
  • a set of electrical contacts i.e., one or more electrical contacts in the ignitor module.
  • male pins may be implemented within the plug 14 and female receptacles may be implemented within the interface 22.
  • electrical connections may be achieved with metal contacts that align on each of the plug 14 and interface 22.
  • electrical connections may be implemented via electrical induction. Accordingly, it is understood that any system for providing an electrical connection between plug 14 and interface 22 may be utilized.
  • Figure 5 depicts a cutaway side view of module 10 and Figure 6 depicts an isometric view showing the ignition element 24 of module 10.
  • metal pins 32 i.e., electrical contacts
  • a heat element 36 e.g., a coiled tungsten wire.
  • two ends of the coiled tungsten wire are molded into a plastic bolt configuration, with each end of the wire being in contact with a second end of a respective pin 32.
  • the ignition element 24 includes a bowl-shaped cavity 34 with an opening 38 that is exposed to a center portion of heating element 36. Cavity 34 is filled with a pyrotechnic material (not shown), such as a putty-like black powder.
  • the heating element 36 e.g., tungsten wire
  • the heating element 36 heats up to a red-hot state, igniting the pyrotechnic material.
  • the ignited pyrotechnic material in turn lights and triggers the firework's initial effect.
  • ignition element 24 is described using a bowl-shaped cavity with pyrotechnic material residing therein, alternative embodiments of ignition element 24 may be utilized.
  • a container e.g., bag
  • pyrotechnic material such as gun powder
  • a fuse may be integrated into the end of module 10, e.g., string or other material coated with a dried slurry of black powder and glue that can be ignited by heating element 36.
  • some or all of the material that forms module 10 may be manufactured from an ignitable material, which can be ignited by heating element 36.
  • FIG. 7 depicts an alternative configuration of an ignitor module 11 in which the ignition element 24 includes a tubular shaped cavity 40 that is exposed to heating element 36. Like the embodiment shown in Figures 4-6, pins 32 extend through the module from the interface 22 to the heating element 36. Tubular shaped cavity 40 likewise contains pyrotechnic material (not shown) that ignites when the heating element gets hot, in response to an electrical current.
  • Figure 8 depicts an alternative configuration of the interface end of an ignitor module 13, shown installed in a firework.
  • a round head is used having a recessed surface, in this case a crossed recess 44 that is adapted to receive a specialized tool (e.g., a screwdriver) to rotate and insert the module 10.
  • a specialized tool e.g., a screwdriver
  • the described hex bolt head 20 and crossed recess head 44 are not intended to be limiting and other configurations may be utilized.
  • the described embodiments allow the module 10 to be "screwed" into the firework with a tool, it is understood that the module 10 may include any configuration or shape to support or facilitate insertion into a firework.
  • Other such configurations may, e.g., include a rivet that utilizes a rivet gun, a head with pin holes that can receive a tool for rotation, a geometric head with more or less than six sides, a knobbed head, a star-shaped head, a concave or convex head profile, a tapered shaft, an un-tapered shaft, a shaft with a speared or pointed end, a shaft with toggle wings or anchors, a head with grooves that support a hand or machine press, etc.
  • ignitor module 10 may be formed from plastic as a threaded bolt, it is understood that other materials and configurations could be utilized.
  • module 10 could be formed from glass, paper, wood, silicone, fiber, a plant-based substance, a composite material, metal, etc.
  • the external surface of module 10 may be formed with a pointed conical profile or other profile adapted to penetrate a wall or surface of a firework and maintain module 10 securely in place.
  • the firework may be manufactured with a small pilot hole in the wall or surface to enable easy insertion of module 10.
  • module 10 may be configured to puncture the wall or surface of the firework without a pilot hole.
  • the interface 22 may include a removable cover, e.g., a piece of tape or plastic shield, to protect module 10 prior to use.
  • firework 12 may include a removable cover over the access point 16 ( Figure 1), e.g., a piece of tape or plastic shield, to protect the firework prior to module 10 insertion.
  • FIG. 9 depicts a top view an alternative embodiment of an ignitor module 52 installed in a firework 50.
  • the ignitor module 52 does not itself contain a pyrotechnic material, but instead is configured to directly ignite the firework pyrotechnic material 56 in the firework 50.
  • the ignitor module 52 includes an interface 62 having metal contacts 60 and receives a plug 54 coupled to a firing module 66 via a pair of wires 64.
  • the heating element 58 includes an exposed region that directly contacts (or is sufficiently proximate to) firework pyrotechnic material 56. In this embodiment, when electricity from the firing module 66 causes the heating element 58 to heat, it directly ignites the firework 50.
  • FIGs 10a and 10b depict further embodiments of an alternative ignitor module 72.
  • the ignitor module 72 (as shown in Figure 10a) is configured to attach to the bottom of a firework 70, e.g., using glue, clips, a lip, threading, etc.
  • the ignitor module 72 may be attached to firework 70 during the firework manufacturing process, or thereafter.
  • the ignitor module 72 may for example comprise a plastic container that fully incorporates an ignition system similar to module 10, e.g., including metal electrodes, a heating element (e.g., a coil), and an ignition element (e.g., a pyrotechnic material).
  • ignitor module 72 includes an interface 74, i.e., universal receptacle, adapted to receive a wired plug 76, as shown in Figure 10b.
  • an electrical current is passed therethrough from a firing module, the heating element ignites the pyrotechnic material in the module 72, which then ignites the firework 70.
  • module 72 can comprise any shape or size that can readily attached to an outer surface of firework 70.
  • module 72 can be made of any suitable material or materials, e.g., cardboard, glass, paper, wood, silicone, fiber, a plant-based substance, a composite material, metal, etc.
  • the interface region 78 of module 72 i.e., where module 72 connects to firework 70
  • ignition of the firework may be implemented with any type of heating element that can convert electrical energy into heat energy.
  • a device that generates an electric or plasma arc can be utilized.
  • Arcing is for example a known technology used in welding and spark plugs.
  • fireworks incorporating ignitor modules described herein may be packaged with a firing system that for example includes one or more firing modules, wires/plugs, and a master controller and/or downloadable software for creating a firework show from a computer device, smartphone, etc.
  • a firing system that for example includes one or more firing modules, wires/plugs, and a master controller and/or downloadable software for creating a firework show from a computer device, smartphone, etc.
  • the ignitor module may include additional components to further enhance a firework show, e.g., an LED, specialized circuitry with a timing system, an audio output (e.g., a whistle, beep, or "fire in the hole”), etc.
  • additional components e.g., an LED, specialized circuitry with a timing system, an audio output (e.g., a whistle, beep, or "fire in the hole"), etc.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)

Abstract

L'invention concerne un système d'allumage sans fusible pour feux d'artifice. L'invention concerne un module d'allumage qui peut être inséré dans un feu d'artifice et comprend : une première extrémité ayant une interface conçue pour résider sur une surface extérieure du feu d'artifice afin de recevoir une fiche ; un ensemble de contacts électriques conçus pour recevoir de l'électricité à partir de la fiche ; un élément de chaleur couplé aux contacts électriques et conçu pour chauffer en réponse à l'électricité reçue ; et une cavité adjacente à l'élément de chaleur contenant un matériau pyrotechnique, le matériau pyrotechnique étant conçu pour s'allumer en réponse à un chauffage de l'élément de chaleur.
PCT/US2024/051180 2023-08-22 2024-10-14 Allumeur électronique intégré pour feux d'artifice Pending WO2025050138A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US202363578035P 2023-08-22 2023-08-22
US63/578,035 2023-08-22
US18/662,047 US20250067547A1 (en) 2023-08-22 2024-05-13 Embedded electronic firework igniter
US18/662,047 2024-05-13

Publications (1)

Publication Number Publication Date
WO2025050138A1 true WO2025050138A1 (fr) 2025-03-06

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ID=94380257

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2024/051180 Pending WO2025050138A1 (fr) 2023-08-22 2024-10-14 Allumeur électronique intégré pour feux d'artifice

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WO (1) WO2025050138A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20250067547A1 (en) * 2023-08-22 2025-02-27 Cobra Firing Systems Embedded electronic firework igniter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3134329A (en) * 1962-05-10 1964-05-26 Thiokol Chemical Corp Exploding bridgewire coating
EP0076746B1 (fr) * 1981-10-05 1986-05-28 ETAT-FRANCAIS représenté par le Délégué Général pour l' Armement Composition pyrotechnique et dispositifs inflammateurs pyrotechniques
WO2007128203A1 (fr) * 2006-04-27 2007-11-15 Fan Zhang Système de feu d'artifice à tête d'allumage électronique sans poudre
US20150308805A1 (en) * 2012-12-11 2015-10-29 Nederlandse Organisatie Voor Toegepast- Natuurwetenschappelijk Onderzoek Tno Miniature electro-pyrotechnic igniter, and ignition head for the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3134329A (en) * 1962-05-10 1964-05-26 Thiokol Chemical Corp Exploding bridgewire coating
EP0076746B1 (fr) * 1981-10-05 1986-05-28 ETAT-FRANCAIS représenté par le Délégué Général pour l' Armement Composition pyrotechnique et dispositifs inflammateurs pyrotechniques
WO2007128203A1 (fr) * 2006-04-27 2007-11-15 Fan Zhang Système de feu d'artifice à tête d'allumage électronique sans poudre
US20150308805A1 (en) * 2012-12-11 2015-10-29 Nederlandse Organisatie Voor Toegepast- Natuurwetenschappelijk Onderzoek Tno Miniature electro-pyrotechnic igniter, and ignition head for the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20250067547A1 (en) * 2023-08-22 2025-02-27 Cobra Firing Systems Embedded electronic firework igniter

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