789results about "Electric spark igniters" patented technology

An automatic smoker, which ignites a combustion medium placed in a combustion chamber by means of an automatic igniter. An ignition needle of the automatic igniter is positioned inside an air inlet port and extends into the combustion chamber, placing the ignition needle at an upwind position. When the ignition needle performs the ignition operation, air enters the combustion chamber through the air inlet hole, promoting the combustion of the combustion medium, thereby enabling the automatic igniter to ignite the combustion medium within the combustion chamber more easily and quickly.

The utility model discloses a stable combustion device for high-pressure rotating sliding arc plasma ignition. The stable combustion device comprises a cathode assembly, a locknut, an insulating supporting ring, a connecting plate, a rear side air inlet, an anode air duct, a rotational flow air chamber and a front side air inlet. The cathode assembly comprises a binding post, a guide rod, a central electric pole, a conical cathode seat and a central cathode inner core which are sequentially connected into a whole in a threaded mode, the cathode assembly is fixed to the center of the anode air duct through an insulating supporting ring, and a multi-groove flow guide ring, a rotational flow air chamber and a rotational flow hole are formed in the front side of the anode air duct; after medium gas is introduced, under the excitation of an electric field, a plasma arc generated between the electrodes slides to the central cathode inner core along the conical cathode seat under the pushing of airflow, and a cycle process of breakdown-stretching-arc quenching-re-breakdown is periodically carried out, so that sliding arc plasma is generated; meanwhile, the plasma arc has the advantages of being high in energy density, improving the chemical reaction rate and the like, and ignition and stable combustion functions are provided for the industrial combustor. The structure is simple, starting is rapid, and the electrode service life is long.

The invention discloses a high-power sliding arc igniter based on a gas-liquid cooling electrode and an operation method of the high-power sliding arc igniter, and relates to the field of high-end equipment, a high-voltage electrode is located at the tail end of an inner-layer sleeve, and insulation between the high-voltage electrode and a low-voltage electrode is achieved through a first cyclone and an insulation interface. Sliding arc discharge is generated by the high-voltage electrode and the low-voltage electrode, a rotary sliding arc is formed under the action of strong rotational flow, and large-area discharge is generated; meanwhile, liquid ammonia is introduced into the high-voltage electrode and the low-voltage electrode, the surface temperature of the electrodes is reduced, the service life of the electrodes is prolonged and higher discharge power is allowed in the liquid ammonia gasification heat absorption process, and gasified ammonia is sprayed out through small-diameter holes and mixed with sliding arc plasmas to form flames. The defects that a high-power sliding arc electrode is high in temperature, short in service life and the like are overcome, and the sliding arc power, the electrode service life and the ignition performance can be greatly improved within the limited size.

The invention discloses an ignition control method of a remote plasma source in the technical field of remote plasma sources, which comprises the following steps: S1, setting a gas current excitation threshold value, and introducing excitation gas; s2, judging whether an ignition signal is received or not, and if yes, closing a relay and entering a constant current stage; s3, whether system ignition is normal or not is judged, and if not, the ignition voltage is adjusted through a self-learning type ignition threshold value calibration method; s4, the output power is improved, and the ignition voltage is adjusted through an ignition threshold calibration method during the period; s5, entering a constant power stage when the output power reaches the full-load power; according to the self-learning type ignition threshold value calibration method, gas flow, gas pressure and cavity temperature are collected in real time, a current load impedance value is predicted through an LSF-BP model, and an ignition voltage threshold value is updated according to the current load impedance value. According to the method, the ignition threshold is dynamically adjusted according to the operation condition, the ignition stability can be effectively improved, and equipment damage and maintenance cost are reduced.

The utility model discloses a hidden lock. The hidden lock comprises a shell, a locking mechanism, an elastic piece, a lock hook and a blocking piece. An opening communicated with the accommodating cavity is formed in the outer surface of the shell; the locking mechanism, the elastic piece, the lock hook and the blocking piece are installed in the containing cavity. The lock hook comprises a first locking structure and a second locking structure and is in transmission connection with the elastic piece, and the lock hook stretches out or retracts at the opening; the blocking piece is used for limiting the sliding state of the lock hook so that the lock hook can be sequentially switched to be in a hidden state, a locking state and an opening state. When the locking mechanism acts on the first locking structure, the lock hook is in a hidden state; the locking mechanism releases limitation on the first locking structure, the elastic piece drives the lock hook to stretch out of the opening, the blocking piece limits the sliding state of the lock hook so that the locking mechanism can act on the second locking structure, and when the locking mechanism acts on the second locking structure, the lock hook is in the locking state. The occupied space is reduced.

The utility model relates to the field of combustors, and discloses a plasma combustor which comprises a combustion box, a partition plate is fixedly arranged in the combustion box, and an anode piece is fixedly installed on the partition plate. A supporting plate is arranged in the combustion box in a sliding mode, and a cathode piece is detachably installed on the supporting plate through a fastening piece. A first screw rod is rotationally arranged in the combustion box; one end of the first screw rod is rotationally connected with the partition plate, and the other end is rotationally connected with a box body of the combustion box; the first lead screw penetrates through the supporting plate and is in threaded connection with the supporting plate. A limiting piece is arranged in the combustion box, and the supporting plate is in limiting sliding fit with the limiting piece; and the cathode piece and the anode piece are spliced and matched. The first lead screw pushes the supporting plate to be close to or far away from the partition plate, and the supporting plate drives the cathode piece to be matched with the anode piece on the partition plate in an inserted mode, so that after a cathode head on the cathode piece is separated from an anode head on the anode piece, the stability of the cathode head is kept, and then the stability that the cathode head is pulled out of an electric arc from the anode head is kept; the ignition efficiency is improved while the ignition success rate is increased.

The invention discloses a circumferentially-distributed multi-path sliding arc igniter and an operation method thereof, and relates to the field of high-end equipment.The center of the circumferentially-distributed multi-path sliding arc igniter is an existing single-path sliding arc igniter which can eject a single sliding arc and ignite small-flow fuel introduced from a first gas inlet, and the multi-path sliding arc is nested on the outer side of the single-path sliding arc igniter; and the generated multi-path sliding arc ignites the high-flow fuel introduced from the third gas inlet. The high-voltage electrodes are arranged in the circumferential direction, multiple paths of sliding arc plasmas are generated, the contact area between the high-voltage electrodes and fuel is increased, meanwhile, the total discharge power of sliding arcs is improved, the ignition capacity of the igniter is remarkably improved, the combustion efficiency is improved, and the high-voltage electrodes can be nested on an original single-path sliding arc igniter.

The invention discloses an ammonia-doped coal ignition structure, an ammonia-doped coal burner and an ammonia-doped coal ignition method. The ammonia-doped coal ignition structure comprises an ignition channel, a first-stage fuel channel, a first-stage combustion-supporting channel, a second-stage fuel channel, a second-stage combustion-supporting channel and a main combustion chamber. Fuel in the ignition channel can be ignited through the ignition electrode, primary combustion of ammonia fuel is ignited through ignition flames from the ignition nozzle, then multi-stage ignition combustion of coal doped with ammonia is achieved, ignition is easier, control is easy, the flames are more stable, and meanwhile emission of nitric oxide is greatly reduced. The coal-doped ammonia ignition structure is adopted in the coal-doped ammonia burner, and the coal-doped ammonia ignition method is suitable for the coal-doped ammonia ignition structure and the coal-doped ammonia burner.

The utility model discloses a combustible gas pulse combustion utilization device which comprises a gas inlet pipe, a Tesla valve, a spark plug, a plurality of front sleeves, a plurality of rear sleeves and a gas exhaust pipe, the number of the front sleeves is the same as that of the rear sleeves, the front sleeves are sequentially sleeved together from inside to outside to form a front sleeve group, the rear sleeves are sequentially sleeved together from inside to outside to form a rear sleeve group, and the gas exhaust pipe is arranged in the rear sleeve group. The tail portion of the front sleeve set is in butt joint with the rear sleeve set, the front sleeves correspond to the rear sleeves in a one-to-one mode, a Tesla valve is fixedly arranged in the front sleeve on the innermost layer, an air inlet of the Tesla valve is communicated with an air inlet pipe, an air outlet of the Tesla valve is provided with a spark plug, and an exhaust pipe is fixedly arranged in the rear sleeve on the innermost layer. A combustion cavity is formed between the front sleeve set and the rear sleeve set, and the longitudinal section of the combustion cavity is T-shaped, square, round or oval.

The movable ignition device comprises a shell and an ignition mechanism, a combustion cavity is formed in the shell, the shell is provided with an open end, the combustion cavity is provided with a fixing structure for fixing moxibustion towards the open end, and the open end is detachably connected with a box cover; the ignition mechanism comprises a protection structure, an ignition structure and a sealing cover structure, the protection structure is connected to the shell and connected to the periphery of the fixing structure, a receding hole is formed in the protection structure towards the fixing structure, and the protection structure is provided with an adjusting cavity used for loading the ignition structure and the sealing cover structure; the protection structure is provided with a first guide rail and a second guide rail which are perpendicular to each other relative to the ignition structure and the sealing cover structure, the sealing cover structure is slidably connected to the end face, provided with the receding hole, of the protection structure, and a transmission structure is arranged between the ignition structure and the sealing cover structure and is in driving connection with a driving structure. The utility model aims to better protect the automatic ignition mechanism of the moxibustion box, so that the automatic ignition mechanism is convenient to maintain.

The utility model relates to an ignition gun. Comprising a liquid storage tank provided with a liquid storage cavity used for storing combustible liquid; the starting mechanism comprises a key and a crow plate, the key is arranged on the liquid storage tank in a sliding mode, and the key can press the crow plate; the piezoelectric mechanism is arranged in the liquid storage tank and is connected with the crow plate; the gas guide mechanism comprises a liquid guide pipe and a gas outlet needle, the liquid guide pipe sucks liquid from the liquid storage cavity, and the gas outlet needle abuts against the crow plate, can slide relative to the liquid guide pipe and converts the liquid into gas; the mounting mechanism is connected with the liquid storage tank; the ignition mechanism comprises an ignition assembly and a gun barrel which can conduct electricity and are opposite in polarity, the ignition assembly is arranged in the installation mechanism in a penetrating mode, a gas guide channel exists in the ignition assembly and / or between the ignition assembly and the installation mechanism, and the gun barrel is arranged on the installation mechanism; when the key pushes the crow plate to move close to the ignition assembly by a set distance, the piezoelectric mechanism generates electric charges, and electric sparks are generated between the gun barrel and the ignition assembly to ignite gas in the gas guide channel, so that the assembly efficiency can be improved.

The invention discloses a plasma igniter, and relates to the technical field of igniters, the plasma igniter comprises an igniter body, an electrode bin and an igniter electrode, the igniter body is fixedly provided with the electrode bin, the igniter electrode is arranged in the electrode bin, the igniter body is fixedly provided with an ignition bin, and the ignition bin is fixedly sleeved with an inner interlayer; the inner interlayer is fixedly sleeved with an outer interlayer, and a pulverized coal inlet pipe is fixedly installed below the side wall of the inner interlayer; a cooling air pipe is fixedly installed on the outer interlayer, a scraper blade is movably installed in the inner interlayer, the scraper blade is attached to the inner wall of the inner interlayer, and a movable groove is formed in the inner wall of the inner interlayer. While the inner interlayer is cooled and cooled through air supply of the cooling air pipe, the driving pipe can move in the inner interlayer, so that residual pulverized coal on the inner wall of the inner interlayer and substances generated by combustion are removed from the inner interlayer, and the substances are prevented from affecting heat dissipation of the inner interlayer by airflow in the outer interlayer.

The invention discloses a plasma ignition system and method and device, electronic equipment and a storage medium, and relates to the field of plasma ignition, and the main technical scheme comprises an ignition module, an electrical module, a gas supply module, a driving module, a cooling module and a control module; the ignition module is placed on the wall of a boiler, and the electrical module, the gas supply module, the driving module, the cooling module and the control module are connected with the ignition module. Fire coal powder is placed in the boiler; the driving module, the gas supply module, the cooling module and the control module are respectively connected with the electrical module; and the gas supply module and the cooling module are respectively connected with the control module. Compared with the prior art, the plasma ignition system is used for generating the plasma flame to ignite the fire coal powder in the boiler, fuel oil does not need to be used, and the ignition cost is reduced.

The invention discloses an enhanced plasma ignition system and method, and belongs to the technical field of low-temperature plasma ignition and combustion supporting, the system comprises an electric spark ignition system, a first one-way conduction module, a second one-way conduction module, a discharge enhancement module, a plasma unit and an electric control module; the first one-way conduction module is connected in series with the electric spark ignition system, and the second one-way conduction module is connected in series with the discharge enhancement module; the electric control module is connected with the electric spark ignition system, the discharge enhancement module, the first one-way conduction module and the second one-way conduction module and then is connected with the plasma unit. The transition of plasma discharge from an electric spark mode to arc plasma is realized, the effective enhancement of the ignition energy, plasma density, temperature and active free radicals of the plasma igniter is realized, the equipment is simple, the efficiency is high, the cost is low, and instantaneous high power and high ignition energy are easy to realize.

The moxibustion box with the movable ignition device comprises a shell and an ignition mechanism, a combustion cavity is formed in the shell, the shell is provided with an open end, and the open end is detachably connected with a box cover; the ignition mechanism comprises a protection structure, an ignition structure and a sealing cover structure, the protection structure is connected to the periphery of the fixing structure, a receding hole is formed in the protection structure towards the fixing structure, the protection structure is provided with an adjusting cavity used for loading the ignition structure and the sealing cover structure, and a first guide rail is arranged at the end, away from the receding hole, of the protection structure towards the receding hole. The ignition structure is slidably connected to the first guide rail, second guide rails are arranged on the two sides, opposite to the receding hole, of the protection structure, the sealing cover structure is slidably connected to the second guide rails and slidably connected to the end face, provided with the receding hole, of the protection structure, a transmission structure is arranged between the ignition structure and the sealing cover structure, and the transmission structure is in driving connection with a driving structure. The utility model aims to better protect the automatic ignition mechanism of the moxibustion box, so that the automatic ignition mechanism is convenient to maintain.

The invention discloses a modular multi-fuel industrial burner plasma igniter with an efficient cooling structure. The modular multi-fuel industrial burner plasma igniter comprises an ignition module, an efficient cooling module, a fuel adaptation module and an intelligent control module. A plasma arc generator is arranged in the ignition module and is used for generating a high-temperature ignition source; the efficient cooling module adopts a multi-layer surrounding type flow channel design, and active heat management of the ignition module is achieved through forced circulation of a cooling medium; the fuel adaptation module supports rapid switching and stable supply of various fuels such as natural gas, fuel oil and biomass gas through standardized interfaces and pipelines; the intelligent control module integrates ignition control, fuel switching and thermal management strategies, monitors the system state in real time and automatically adjusts operation parameters. By means of the modular architecture and the efficient cooling technology, the problems that a traditional plasma igniter is prone to overheating damage, poor in adaptability and difficult to maintain under the high-temperature and multi-fuel working conditions are solved.

The invention discloses a self-adaptive wide-range adjustment low-emission internal combustion type emptying ignition device and a control strategy. The self-adaptive wide-range adjustment low-emission internal combustion type emptying ignition device comprises an incineration tower barrel, a main combustor, an ignition / fire detector, a main fuel gas process, an ignition gas process, an emergency emptying process, a wind barrier, an electric air door, an inspection manhole, a movable base, an emission monitoring system and an intelligent control system. The internal combustion type emptying ignition device adopts a closed design, so that open fire and black smoke are avoided during combustion; the cylinder body and the base are designed in a split manner, so that the transportation is convenient, and the universality of different working places is realized; the main combustor adopts a double-layer low-nitrogen combustion design, and self-adaptive wide-range adjustment can be realized according to the air release amount; the burner nozzle is provided with the low-nitrogen injection spray pipe, mixed combustion can be promoted, and low-nitrogen and low-carbon emission is achieved. The ground torch meets different requirements of industries such as petroleum drilling, natural gas extraction and chemical engineering, and can completely solve the problems that an existing ground torch technology is low in processing capacity and difficult to adapt to different working conditions, flames are prone to emerging out of a barrel, the combustion efficiency is low, and the environment is polluted and residents are disturbed.

Described herein is an apparatus (10), system (300) and method for pyrolysing and combusting a material. One described embodiment provides an apparatus(10) comprising one or more crucibles (50, 51) for receiving a material to be pyrolysed and combusted therein and one or more heating tubes (100-210) disposed in proximity to the crucible(s) (50, 51). The or each heating tube (100-210) is configured for receiving byproduct(s) produced during pyrolysis and combustion of the material within the crucible(s) (50, 51) and pyrolising and combusting the byproduct(s) to produce flue gas from the byproduct(s). The flue gas produced within the heating tube(s) (100-210) are mixed with a hydroxy gas.

The present invention relates to the technical field of burners, and in particular to a universal full-time ultra-low nitrogen burner, comprising: a combustion assembly, the combustion assembly comprising a combustion tube and an outer tube mounted on its outer layer, the cavity formed between the combustion tube and the outer tube being connected to a return air cavity, a combustion chamber being arranged in the combustion tube, the inlet end of the combustion chamber being respectively connected to a powder inlet, a plasma igniter and a purge assembly; a tempering nozzle, arranged on the inner wall of the combustion chamber outlet end, and its air inlet being connected to the cavity between the combustion tube and the outer tube, and its air outlet being connected to the combustion chamber and opposite to the powder inlet direction; a tempering channel, arranged on the inner wall of the combustion chamber, between the tempering air outlet of the tempering nozzle and the purge air outlet of the purge assembly, and having openings at both ends connected to the combustion chamber, for solving the technical problem in the prior art that the continuous operation of the burner needs to rely on a plasma igniter, resulting in low combustion efficiency.

The utility model discloses a piezoelectric igniter and a lighter and an ignition gun using the piezoelectric igniter, and the piezoelectric igniter comprises a shell, an operating piece, an impacting piece and a first elastic piece, the impact piece comprises an impact block which is provided with a mounting hole extending transversely; the limiting transverse pin is movably arranged in the mounting hole and can move in the length direction of the mounting hole; the operating piece is stressed to enable the impact piece to have at least two states. A first elastic piece is arranged on the impact piece, when the impact piece moves downwards, the impact piece possibly slightly swings in the transverse direction, the end of the limiting transverse pin in the length direction possibly rubs against the inner side wall of the containing cavity of the shell, the limiting transverse pin is arranged to be capable of moving in the length direction of the impact block installation hole, and therefore the position of the limiting transverse pin can be finely adjusted; therefore, when a user presses the operation piece, the resistance is small, the hand feeling is light, and the structure is reasonable and practical.

The utility model provides an inner ring fire cover and a burner comprising the same, the inner ring fire cover comprises an inner ring fire cover body and an ignition needle, the inner ring fire cover body is provided with a plurality of diversion trenches and fire holes, the diversion trenches extend from the outer peripheral surface of the inner ring fire cover body to the radial inner side of the inner ring fire cover body, and the fire holes are formed in the inner ring fire cover body. The axis of any flow guide groove is at least intersected with the axis of the other flow guide groove to form an intersection point, openings of the flow guide grooves face the radial outer side of the inner ring fire cover, the intersection point is close to the discharge end of the ignition needle, and the fire hole is communicated with the flow guide grooves. Fuel gas enters the flow guide grooves through the fire holes and flows in the axis direction of the flow guide grooves, the fuel gas in the flow guide grooves flows out and then converges and collides at the ignition needle, the fuel gas forms a local high-concentration area near the discharging end of the ignition needle, electric arcs formed by discharging of the ignition needle can ignite the fuel gas more easily, ignition deflagration is facilitated, and therefore the ignition success rate is increased.

The invention discloses a vortex type plasma igniter for preventing electrode ablation based on vortex airflow discharge, and relates to the technical field of plasma generators, the vortex type plasma igniter comprises a shell, an air inlet structure, a high-voltage electrode, a swirler and a nozzle electrode, the air inlet structure, the high-voltage electrode, the swirler and the nozzle electrode are all arranged in the shell, and the high-voltage electrode is arranged in the shell. A first gas inlet channel is arranged in the gas inlet structure, a first gas channel is arranged between the high-voltage electrode and the shell, a vent hole is formed in the side wall of the swirler, airflow can form vortex airflow through the vent hole of the swirler, an outlet is formed between the nozzle electrode and the high-voltage electrode, and a second gas channel is formed between the nozzle electrode and the high-voltage electrode. The first gas inlet channel, the first gas channel, the vent hole and the outlet are all communicated. According to the vortex type plasma igniter for preventing electrode ablation based on vortex airflow discharge, the problem that the service life is short due to local ablation of the electrode can be solved.

The utility model provides a gas device for preventing flame from burning an igniter, which relates to the technical field of gas burner equipment and comprises a middle-layer shell, a mounting piece is fixedly connected between the inner surface walls of the middle-layer shell and close to the right side, and sliding rods are symmetrically and fixedly connected between the right surface of the mounting piece and the inner surface wall of the right side of the middle-layer shell. According to the electronic igniter, in the process that the electronic igniter is driven to move leftwards under the cooperation of the push button and the installation shell spring, the electronic igniter can be started through the cooperation of the protruding block inserting sleeve and the symmetrical protruding blocks, and meanwhile the ignition needle can enter the fire gathering cover through the through hole to ignite combustible gas; after the push button is loosened, the electronic igniter and the ignition needle can be driven to reset under the action of the spring, and the reset electronic igniter and the reset ignition needle can be far away from burning flames, so that the electronic igniter is effectively prevented from being damaged by the temperature generated during burning of combustible gas, and the service life of the electronic igniter is greatly prolonged.

The invention discloses an industrial ignition gun, and relates to the field of ignition devices, the industrial ignition gun comprises an ignition assembly, a fuel gas conveying assembly and a flame detection assembly, a combustion area is formed on the same side of the ignition assembly, the fuel gas conveying assembly and the flame detection assembly, the fuel gas conveying assembly is used for conveying combustible gas to the combustion area, and the flame detection assembly is used for detecting the combustible gas. The ignition assembly is used for generating point discharge in the combustion area so as to ignite the combustible gas and form a high-temperature flame area; the flame detection assembly is used for collecting ion current signals of the high-temperature flame area. The method has the advantages that the flame detection accuracy is improved, and the equipment operation safety is improved.

The utility model belongs to the technical field of electronics, and relates to an electronic ignition device which comprises a charging circuit, a driving circuit, a switching circuit and a battery protection board circuit which are electrically connected. The charging circuit is used for converting electric energy provided by an external power source into direct current to supply power to the device, the driving circuit is used for converting the electric energy into mechanical energy or heat energy to achieve the ignition function, and the switching circuit is used for controlling the working state of the driving circuit according to operation of a user or an external signal. The battery protection board circuit is used for monitoring voltage, current and temperature parameters of a battery and taking protection measures according to the actual condition of the battery so as to prevent the dangerous conditions of over-charging, over-discharging, over-current and short circuit of the battery. Ignition is safe and stable, and the service life is long.

The object of the present invention is a control method for verifying the presence of the flame in the combustion chamber (41) of a premixed gas burner (1), fed by an air and gas mixture mainly and / or essentially comprising hydrogen H2. The method is based on the use of at least one temperature sensor (6), the values whereof are sent to a control device (8) which uses them to calculate the derivative T′ over time of the temperature T to compare it to suitable feedback thresholds (Tau1, Tau2; Tau3, Tau4) to establish the ignition occurred, the ignition failure or flame extinguishment.

The invention discloses a direct injection type high-heat-intensity blue light infrared gas appliance which comprises a combustion part, the combustion part comprises a furnace body and an injection pipe which are communicated with each other, a premixing adjusting plate matched with the furnace body is fixedly connected in the furnace body, and the premixing adjusting plate is arranged above the injection pipe; the flame stabilizing piece is arranged at the end, away from the injection pipe, of the furnace body. The ignition part is arranged in the furnace body, and an ignition positive electrode of the ignition part penetrates through and is exposed out of the flame stabilizing part; the nozzle piece is connected with one end of the injection pipe away from the furnace body. According to the gas appliance provided by the invention, the premixing adjusting plate can prolong the premixing path and adjust the distribution effect of the mixed gas, so that the axial length of the injection pipe and the radial size of the furnace chamber are effectively shortened, and uniform combustible mixed gas is efficiently formed; the built-in ignition part distributes most of fuel gas in most area of the middle area of the flame stabilizing part to form infrared combustion, and the outer edge part forms atmospheric combustion of blue flame and micro flame, so that efficient combustion and high heat intensity of the combustor are realized, the size of a gas appliance is effectively reduced, and the gas appliance is more portable.

An ignition system (100) for a combustion engine (110), includes a combustor (80), (180) having an igniter (77), (177) configured to receive a series of electrical current pulses (116), and, responsive to each electrical pulse (116), to generate a spark (179). A sensor (120) is configured to detect each electrical pulse (116) to provide a signal (121a) indicative of the electrical pulse (116) to a controller (113). The controller (113) is configured to determine, prior to an injection of a fuel (F) into the combustor (80), (180), a spark rate of the igniter (77), (177), determine whether the spark rate satisfies a spark rate threshold (145a), and in response to a determination that the spark rate satisfies the spark rate threshold (145a), initiate an injection of the fuel (F) into the combustor (80), (180).

An automatic smoker includes a smoker body, a pipe and a base. The pipe has a combustion chamber, an inner wall of the combustion chamber is defined with at least one smoke outlet por. The smoker body and the base are detachably assembled, and the pipe is arranged between the smoker body and the base. The smoker body includes an automatic igniter, the automatic igniter includes an ignition needle, the ignition needle extends into the combustion chamber and is configured to ignite a combustion medium within the combustion chamber.