85 results about "IGNITOR" patented technology

The application discloses a remote control torch ignition system based on wireless instruction and fault self-diagnosis function and relates to the technical field of space propulsion. The application comprises a remote control center and a field control unit. The remote control center is used for generating an encrypted ignition instruction package containing an ignition instruction sequence and adjustable parameters and sending the package through a wireless data link, simultaneously receiving and displaying control feedback and diagnosis data from the field. The field control unit is arranged on an engine test stand and is electrically connected with a torch igniter and its matched fuel valve, oxidant valve and ignition power supply, used for receiving, decrypting and executing the encrypted ignition instruction package to control the corresponding valves and ignition power supply to act in sequence. The system further comprises a multi-dimensional data acquisition module used for synchronously acquiring multi-channel physical quantity time sequence signals reflecting the working state of the igniter during the ignition process. Through embedded multi-dimensional time sequence fusion diagnosis, the application can quantitatively evaluate the performance gradual state of the torch igniter in real time.

The invention discloses a contact arcing generator, a water plasma igniter and an ignition method, and belongs to the technical field of aircraft igniters. A contact arcing generator comprises a generating device and a sliding mechanism, the generating device comprises a cathode and an anode which are coaxially arranged, the anode is located outside the cathode, and the sliding mechanism is located outside the anode and drives the cathode to slide in the anode; the cathode comprises a body part and an arcing end, the arcing end is located at the top end of the body part, the sliding mechanism drives the arcing end to make contact with or be separated from the anode through the body part, an arcing cavity is formed between the anode and the top end of the cathode, a conveying structure for conveying water to the arcing cavity is arranged on the cathode, a spraying hole is formed in the anode, and the spraying hole communicates with the arcing cavity. Water vapor in the arcing cavity is sprayed out through the spraying holes to form water plasma jet flow. By the adoption of the contact arcing generator, the water plasma igniter and the ignition method, the problem that an existing plasma igniter is unstable in arcing can be solved.

The application relates to the technical field of spacecrafts, and discloses a four-redundancy pyrotechnic mechanism lock which comprises a lock body assembly and a pressing assembly which cooperate with each other, the lock body assembly comprises an igniter, an ignition shell, a pin rod, a seat body, a structural upper plate and a hinge module, the pressing assembly comprises a ball seat, a pressing rod, a pull rod module and a structural lower plate, the hinge module is arranged in the inner cavity of the seat body, the ignition shell is arranged on the seat body and oppositely forms two groups of ignition cylinder bodies, two groups of pin rods are arranged in each of the ignition cylinder bodies respectively, the pin rods movably cooperate with the hinge module, the side surface of the ignition cylinder body is provided with the igniter which communicates with the inner cavity, the ball seat is arranged on the structural lower plate, the one end of the pressing rod is provided with the pull rod module, the other end of the pressing rod penetrates through the ball seat and movably cooperates with the hinge module. The four-set unlocking execution mechanisms are completely independent, any unlocking execution mechanism can realize unlocking when normally working, so that the working reliability of the pyrotechnic mechanism lock is improved.

The application discloses a kind of plasma high-pressure ignition device, it is related to electronic detonator initiation technology adjacent area, to solve the technical problem of low ignition power, energy leakage is serious, low airtightness of traditional ignition device, provide a kind of energy concentration, airtightness strong plasma high-pressure directional ignition device.The core structure includes high-pressure ignition module, semiconductor bridge, fuse, test hole, sealing wrapping layer and integrated metal tube shell.The igniter adopts integrated structure design, and high-pressure ignition module, semiconductor bridge and explosion-proof protection module are integrated;By using high-temperature resistant sealant to fill the gap between the metal tube shell, a pressure environment above 0.5MPa is achieved to prevent leakage;The device can be widely used in gas turbine, aerospace thruster, oil drilling equipment and other high-pressure scene ignition system, with reliable sealing, stable structure, easy assembly.

The application discloses a pool fire simulator and simulation method based on gas real fire simulation technology, which comprises a gas cylinder group, a gas conveying pipeline, a simulation oil pool, a rectifying sand layer and a pulse electronic igniter, the simulation oil pool is internally provided with the rectifying sand layer, a plurality of gas guide channels are formed in the rectifying sand layer, the gas cylinder group is connected with the input end of the gas guide channel through the gas conveying pipeline, a controllable gas electronic valve is arranged on the gas conveying pipeline, the simulation oil pool is additionally provided with the pulse electronic igniter outside, and the ignition end of the pulse electronic igniter is located above the output end of the gas guide channel; and the rectifying sand layer is made of steel sand. In the application, the gas real fire simulation is used, and the gas is used as a gas source, compared with direct combustion transformers, the smoke gas amount is small, the system is more environmentally friendly, and through the arrangement of the rectifying sand layer, the transformer oil fire rapid heating can be simulated to the maximum extent, and the combustion characteristics of the actual transformer oil fire are embodied.

An automatic machining device and method for the ceramic core end face of an ignition housing assembly belongs to the field of machining technology. This invention employs pre-machining optical inspection to measure the lowest point of the beam, avoiding measurement inaccuracies caused by adhesive residue during assembly. During machining, the machine tool coordinate system is automatically adjusted, achieving adaptive machining of the ceramic core end face of the ignition housing assembly. This avoids the problems of repetitive measurements and high rework rates associated with manual machining, greatly improving machining efficiency and yield. Furthermore, this invention utilizes controllable addition of grinding aids within the machining center, combined with the adaptive machining method, to achieve CNC machining of the ceramic core end face grinding process for the ignition housing assembly. Compared to existing manual operations, the consistency of the machining quality of the ceramic core end face of the ignition housing assembly is significantly improved, and machining efficiency is nearly doubled.

The invention relates to a system comprising: - a guide rail (2) arranged around a tower (1) and secured to same with removable means; - cutting means (6) running along the guide rail (2) and comprising means for spraying a fuel mix and a spark igniter (9); - a motor (10) for moving the cutting means along the guide rail (2); - means for the assisted pulling of the column or tower in order to direct the fall; - means for remotely viewing the cutting process; - a remote control centre (23). Owing to the aforementioned features, the associated risks, complexity of permits and work and high costs are all reduced.

This utility model relates to a boiler ignition device, including an igniter, a high-voltage ignition cable, an ignition rod, and a protective mechanism. The high-voltage ignition cable is installed on the surface of the igniter. Before ignition, the ignition cloth needs to be unfolded to fill the furnace inlet. Specifically, the movable seat is pushed to slide on the surface of the ignition rod. The movable seat moves towards the ignition cloth, which causes the three keel rods to swing, so that the ignition cloth unfolds like an umbrella. The movable seat is fixed by a limiting component. Specifically, the pull rod is pulled to move the limiting ring. The limiting ring compresses the spring. At this time, the end of the pull rod is not engaged with the slot, so the movable seat can slide on the guide rail. After adjusting to a suitable position, the pull rod is released. Under the action of the spring, the end of the pull rod is inserted into the slot on the surface of the guide rail, thus fixing the unfolded ignition cloth and blocking the furnace inlet with the umbrella-shaped ignition cloth.

The invention discloses a method for analyzing the reliability of a gunpowder igniter in a low-temperature ignition failure mode, which comprises the following steps of: firstly, carrying out characterization analysis on the ignition failure mode of the gunpowder igniter in a low-temperature environment, identifying main uncertain factors influencing the low-temperature ignition reliability by adopting a fault tree method (FTA), and determining the probability distribution characteristic of the main uncertain factors; then, an implicit performance function of the failure mode is established. In order to clarify a deterministic relationship between a performance parameter and a design variable, an inner ballistic simulation model for low-temperature ignition of a gunpowder igniter is constructed based on an inner ballistic theory, and a Kriging agent model is further established by using the simulation model. And finally, sampling and solving the Kriging model through an MCS method (Monte Carlo simulation) to obtain the failure probability and reliability of the low-temperature ignition failure mode of the gunpowder igniter. The reliability of the gunpowder igniter under the low-temperature condition can be accurately evaluated, and a theoretical basis is provided for product improvement design.

This invention discloses a self-mixing gas explosion limit testing device, belonging to the technical field of gas explosion limit testing devices. The self-mixing gas explosion limit testing device includes a base, a mounting frame mounted on the base, an explosion chamber mounted on the mounting frame, an exhaust component mounted on the explosion chamber, an igniter mounted on the explosion chamber, an inlet component and a stirring component inside the explosion chamber, and an exhaust component below the base. The exhaust component includes a transmission component and an energy storage component. Simultaneously with the input of gas, the stirring component mixes the gas, improving mixing uniformity and speed. This stirring method achieves rapid gas homogenization without compromising sealing, improving mixing effect while preventing gas leakage and ensuring testing effectiveness. By combining the exhaust component and the energy storage component, the high-pressure gas generated during the explosion test is utilized to clean the explosion chamber, further improving testing effectiveness and resource utilization.

A plasma generation system includes a plasma generator such as an igniter and circuitry configured to apply a breakdown voltage across electrodes of the plasma generator to thereby form a plasma in an initiation region between the electrodes and then sustain and propagate the plasma outwardly for purposes such as combustion of a fuel. Various electrode configurations may be utilized that, along with plasma generating circuitry, enable the formation of virtual electrodes extending from the distal ends of the electrodes, resulting in a projection of plasma well beyond the physical electrodes. Such plasma generators may be used in various aerospace applications where only a short service life of the plasma generator is needed. Included are various techniques and components for enabling disconnection of the plasma generator from the system following ignition.

A stereoscopic arch ignitor resistor and manufacturing method thereof are provided. The stereoscopic arch ignitor resistor includes a substrate, an alloy layer, a combustible material accommodating portion, and a lateral conductive layer. The alloy layer is disposed on a first surface of the substrate. The alloy layer includes an arch lead, a first connecting portion, and a second connecting portion. The combustible material accommodating portion is positioned between the arched lead and the substrate. The arch lead defines a volume of combustible material of the combustible material accommodating portion. The lateral conductive layer is disposed on the alloy layer. The lateral conductive layer abuts against a side surface of the substrate. The stereoscopic arch-type ignition resistance element is configured to reduce ignition distance and / or increase contact area with combustible material.

This invention provides a highly reproducible and easy-to-install reproduction experiment method, as well as a test method using the same. [Solution] This method uses a flammable container formed in a cylindrical shape with one end open and the other end closed, a flammable contents placed inside the container, and an igniter placed inside the container. The process involves placing the igniter on one end of the container in a plan view, placing the contents on the other end of the igniter, igniting the igniter, creating a hole in the container due to the combustion of at least the igniter, and then the fire spreading from the igniter to the contents, causing the container to collapse on the side with the hole.

A plasma generation system includes a plasma generator such as an igniter and circuitry configured to apply a breakdown voltage across electrodes of the plasma generator to thereby form a plasma in an initiation region between the electrodes and then sustain and propagate the plasma outwardly for purposes such as combustion of a fuel. Various electrode configurations may be utilized that, along with plasma generating circuitry, enable the formation of virtual electrodes extending from the distal ends of the electrodes, resulting in a projection of plasma well beyond the physical electrodes. Such plasma generators may be used in various aerospace applications where only a short service life of the plasma generator is needed. Included are various techniques and components for enabling disconnection of the plasma generator from the system following ignition.

The utility model relates to a lifting type ignition device which comprises a torch cylinder body, an electric lifter and a control box are fixedly arranged at the bottom of the torch cylinder body, the electric lifter is adjusted and controlled by the control box, a sliding sleeve is fixedly arranged at the movable end of the electric lifter, and the torch cylinder body is sleeved with the sliding sleeve in a sliding mode. An electronic discharger is further fixedly arranged on the sliding sleeve, and one end of the electronic discharger is connected with the control box. A combustor is fixedly arranged at the top of the torch barrel, the combustor is communicated with an air discharging pipeline, and the combustor is fixedly provided with a wind shield through the torch barrel; the other end of the electronic discharger slidably penetrates through the wind shield. After the ignition device finishes ignition, the electronic discharger is far away from a fire source under the action of the electric elevator, so that the ignition device is prevented from being directly grilled by the fire source, and the service life of the ignition device is effectively prolonged.

The application discloses a plane three-electrode switch igniter based on electrode ablation, belongs to the technical field of electric pulse driving and ignition and initiation, and comprises a base, a plug is embedded in the base, a pin hole is formed in the plug, a pin is fixedly connected in the pin hole, the pin comprises a trigger pin, a cathode pin and an anode pin, a plane three-electrode switch is arranged on the upper surface of the plug, the plane three-electrode switch comprises a trigger electrode, a cathode and an anode, an insulating ring is arranged on the upper surface of the plane three-electrode switch, a medicine ring is arranged on the upper surface of the insulating ring, an ignition powder column is arranged in the medicine ring, and a tube shell is embedded on the periphery of the base. The plane three-electrode switch is easy to ablate when conducting, the ignition of electric explosion plasma is realized, the complex structure and action process of the impact plate ignition tube are avoided, the safety requirement of 500V non-ignition is met, and the plane three-electrode switch igniter has the advantages of easy batch production, low price and the like.

A fuse-less ignition system for fireworks. An ignitor module is provided that is insertable into a firework and includes: a first end exposing a pair of electrical conductors configured for receiving a plug and a second end having a perimeter wall that defines a recessed opening into which the pair of electrical conductors extend; a heating element positioned across the recessed opening in contact with the pair of electrical conductors; an insertable structure secured within the recessed opening, wherein the insertable structure includes a cavity with a hole at an inner end that exposes a portion of the heating element, and wherein the inner end secures the heating element in position; and a pyrotechnic material placed within the cavity of the insertable structure and being adapted to ignite in response to heat energy generated by the heating element.

Provided is an igniter facilitating visual recognition of a flame.　Provided is a lighter capable of igniting ejected fuel to form a flame, the lighter characterized by comprising an ejection hole from which fuel is ejected, a pipe through which the fuel ejected from the ejection hole flows, an air hole provided in the pipe so as to supply air into the pipe, an ignition device that ignites the fuel, and a visualization member capable of coming into contact with the flame formed out of a flame port of the pipe along a flow direction of the fuel ignited by the ignition device, wherein the visualization member includes an opening through which at least a part of the formed flame can advance in a traveling direction thereof, and, furthermore, the visualization member is heated by the flame and is exposed so as to be capable of coming into contact with a target object to be ignited by the lighter.

A fuse-less ignition system for fireworks. An ignitor module is provided that is insertable into a firework and includes: a first end having an interface adapted to reside on an exterior surface of the firework for receiving a plug; a set of electrical contacts adapted to receive electricity from the plug; a heat element coupled to the electrical contacts and adapted to heat in response to received electricity; and a cavity adjacent to the heat element containing a pyrotechnic material, the pyrotechnic material adapted to ignite in response to a heating of the heat element.

The utility model discloses a plasma igniter. The utility model is applied to an outer cylinder of a burner, and is characterized in that the ignition component comprises a first sleeve which is arranged in the outer cylinder of the burner in a sliding and penetrating manner; the cathode bar is coaxially arranged in the first sleeve in a penetrating manner; the anode ring is arranged at the extending end of the first sleeve; the power supply unit is arranged at the extending end of the first sleeve; the adjusting part comprises a moving unit which is arranged on the burner outer cylinder and connected with the power supply unit; according to the utility model, the power supply unit is driven by the moving unit to reciprocate along the axial direction of the first sleeve, so that the cathode bar and the anode ring are driven to move close to or far away from the air outlet of the burner outer cylinder, and at the moment, the distance between the cathode bar and the air outlet of the burner outer cylinder is the burning distance of pulverized coal in the burner outer cylinder; therefore, the distance between the cathode bar and the air outlet of the combustor outer barrel is adjusted according to the ideal combustion distance of pulverized coal of different specifications, and the applicability is improved.

This invention provides a nozzle holder and burner with a concealed ignition needle thermocouple structure, including an ignition needle thermocouple assembly; a nozzle holder body, with a concealed cavity at the bottom and a mounting position at the top of the concealed cavity; the nozzle holder with the concealed ignition needle thermocouple structure can switch between a first state and a second state. In the first state, the ignition needle thermocouple assembly is housed in the concealed cavity; in the second state, the ignition needle thermocouple assembly is installed in the mounting position. This nozzle holder with the concealed ignition needle thermocouple structure, through the cooperation of the ignition needle thermocouple assembly and the nozzle holder body, achieves detachable installation of the ignition needle thermocouple assembly on the nozzle holder body, and has two states, which helps protect the long thermocouple and igniter from damage; at the same time, by installing the ignition needle and thermocouple on the mounting base, maintenance and disassembly are facilitated, avoiding gas leakage and safety hazards during disassembly and assembly of the nozzle holder body.

In an igniter assembly in which the igniter is fixed with a resin fixing part, this invention provides a technology that can suppress the occurrence of cracks in the fixing part when the igniter is in operation. [Solution] The igniter assembly comprises a base portion to which a conductive pin extending downward is attached, a cylindrical peripheral wall portion extending upward from the periphery of the base portion, and a lid wall portion that closes the upper end of the peripheral wall portion, with an igniter containing an igniter in an igniter chamber surrounded by these, a resin fixing portion for fixing the igniter such that at least the lower end of the peripheral wall portion is embedded, and a surrounding wall portion provided integrally with the fixing portion so as to be erected upward from the upper surface of the fixing portion and positioned on the outer periphery of the peripheral wall portion so as to face the peripheral wall portion, wherein the surrounding wall portion is formed such that the distance from the peripheral wall portion in the transverse direction increases from its lower side to its upper side.

An ignition device for a firework setting-off placing frame relates to the technical field of firework setting-off equipment and comprises a rack, a power supply and a PLC (programmable logic controller) are respectively mounted on the side surface of the rack, ignition cabins and electronic igniters are respectively mounted on the rack, the ignition cabins and the electronic igniters are arranged in one-to-one correspondence, and lead inlets are formed in the tops of the ignition cabins. The ignition device comprises an ignition cabin, the ignition cabin is of a transparent structure, two pressing mechanisms are installed on the inner side of the ignition cabin, the two pressing mechanisms are arranged in a bilateral symmetry mode, installation bases are fixed to the ends of the pressing mechanisms, and pressing wheels are rotationally arranged on the installation bases. Therefore, the phenomenon that the firework lead is likely to loosen in the setting-off process is avoided, and it is guaranteed that fireworks can be normally set off.

The invention discloses an ignition and flameout modeling combustion chamber testing device and system and a flame characteristic research method, and belongs to the technical field of gas turbine combustion chamber testing. The test device comprises a combustion chamber, a swirler assembly, a fuel nozzle and a plurality of igniter mounting ports respectively corresponding to key flow field positions such as an inner backflow area, a main backflow area and an outer backflow area. A tower-type cyclone or a rotary sliding arc exciter can be selected as the cyclone assembly, and a gas supply system, an oil supply system, an ignition system and an optical test system are integrated in the test system. The method comprises the following steps of: igniting by using different igniters or at different positions, capturing a flame development process by utilizing high-speed imaging, and performing flame mode diagnosis by combining image processing, flame mode diagnosis based on a non-dimensional number, POD, DMD and other methods. Influences of different ignition modes and ignition positions on a flame propagation path, an ignition success rate, ignition delay, flame stability and lean-burn ignition limit and internal physical mechanisms thereof are systematically analyzed.

The invention relates to the field of scientific research of forest fire, forest and town junction fire and building fire, and discloses a systematic experimental device and method integrating the whole process of formation, transportation and ignition of flying fire particles. The device comprises a multifunctional wind tunnel system, a fuel fixing system, a multi-parameter measuring system and a water disc and igniter system, a controllable uniform wind field is constructed to adapt to various fuel types, and simulation and data acquisition of the whole process of flying fire particles from formation, transportation to ignition of combustible materials are achieved. The invention further provides an experimental method based on the device, the experimental method can be suitable for various working conditions such as natural convection and forced convection, parameters such as the air speed and the fuel water content are accurately regulated and controlled, key data such as the particle size, the mass, the temperature field and the heat flow intensity are synchronously collected, and a reliable experimental platform is provided for research of a flying fire particle forming mechanism and transportation and ignition rules.

The application relates to the technical field of ship power device fault diagnosis, and discloses a marine gas turbine plasma ignition layered fault checking method, which is characterized by the double-loop structure of the plasma ignition system in a harsh marine environment, and comprises the following steps: firstly, a special safety test environment composed of an insulating box and an observation window is constructed; secondly, the normality of basic energy is confirmed by measuring primary electrical parameters; thirdly, based on the core idea of the control variable method, a hierarchical cross-exchange test process for the aviation plug interface and the igniter body is designed; and fourthly, by comparing the logical changes of the ignition state before and after the exchange, a complete decision tree model is constructed, so that the fault source can be accurately isolated to the control board card, the ignition cable or the igniter. The application converts the experience-dependent troubleshooting process into a standardized and visual technical operation process, and finally effectively solves the problems of low troubleshooting efficiency, high safety risk and great dependence on personnel experience in the prior art.

A setting tool adaptor for attachment to a tandem and a setting tool is provided. The setting tool adaptor includes an ignitor within an ignitor cavity and includes an electrically grounded thermal fuse within a logic cavity. The ignitor is adjacent a power charge in a setting tool, such that the ignitor initiates a combustion of the power charge. Pressure and heat generated by the combustion of the power charge ejects the ignitor into the logic cavity and initiates the thermal fuse to render internal circuitry unreadable, while the adjacent tandem isolates the hot gases from an upstream perforating gun or other upstream tool.

The utility model discloses a flame retardant property testing device, and relates to the technical field of flame retardant property testing devices. An igniter of the flame retardant property testing device is upwards inclined, and the upper end of the igniter is provided with an original igniter nozzle; the outer side of a nozzle of the original igniter is sleeved with a sleeve, and a horizontal positioning strip is arranged on the sleeve. And the positioning strip is positioned below the nozzle of the original igniter. The flame-retardant performance testing device can ensure that the positions of the flame-retardant test strips are consistent during each test, and the stability and repeatability of a test result are improved.