10results about How to "Stable ignition" patented technology

The application discloses a multiple ignition protection method and an ignition protection circuit based on HCS08SG. The method is used in an ignition module of an automobile engine and comprises the following steps: S1, collecting an ECU driving signal of a signal input end and outputting the signal to an HCS08SG single-chip microcomputer after processing; S2, determining whether multiple ignition needs to be started by using the HCS08SG single-chip microcomputer; if the multiple ignition needs to be started, the HCS08SG single-chip microcomputer controls a power switch of the ignition module to start the multiple ignition; S3, detecting the frequency of the opening and closing of the power switch of the ignition module by using the HCS08SG single-chip microcomputer, and accumulating and calculating the ignition times in a multiple ignition cycle time; and S4, comparing the accumulated and calculated ignition times with a set threshold value by using the HCS08SG single-chip microcomputer, and controlling the power switch of the ignition module to close the multiple ignition after the set threshold value is reached. The application can accurately control the multiple ignition times of the ignition module, reduce the heat quantity of the multiple ignition module, prolong the service life of the multiple ignition module, and reduce the failure rate of the ignition coil.

The utility model provides a kind of for coke oven tail gas combustion device, belongs to tail gas combustion technical field, comprising: combustion chamber, raw gas import, combustion air import, ignition needle, explosion door, first baffle and smoke outlet;Combustion chamber includes inner shell and outer shell, combustion air passage is equipped between inner shell and outer shell, inner shell is equipped with multiple air holes, inner shell is connected with raw gas import, combustion air passage is connected with combustion air import;Ignition needle is embedded in inner shell inside one end, and ignition needle is located above raw gas import;Explosion door is rotatably connected with combustion chamber, and covers in the opening of combustion chamber;The device passes through raw gas first by ignition needle and is ignited to occur first combustion, then fully mixes with combustion air in combustion chamber interior and occurs secondary combustion, to improve combustion efficiency, and after the gas after combustion is guided and shunted, then is discharged through smoke outlet, avoid airflow direct impact smoke outlet, reduce the risk of turbulence generation and smoke outlet blockage.

This invention discloses a swirl-spray pre-combustion chamber co-combustion system and method for a UAV diesel engine. The system includes a cylinder block integrating a spherical pre-combustion chamber and a main combustion chamber, a glow plug, a swirl injector, a main injector, and a control unit. The swirl injector injects igniting diesel fuel into the pre-combustion chamber, forming a rich mixture adhering to the wall. After ignition by the glow plug, the high-temperature combustion gas is injected into the main combustion chamber through a jet channel to achieve multi-point synchronous ignition. The control unit integrates altitude adaptive correction and a dual closed-loop control strategy to match injection and ignition parameters in real time. This invention can effectively shorten the combustion duration, reduce cycle fluctuations, and significantly improve the combustion stability and environmental adaptability of the engine over a wide operating range.

The utility model discloses a kind of double-pole spark plug ignition electrode needle, belong to ignition spark plug technical field, including spark plug metal shell, the side of spark plug metal shell is provided with center electrode unit and two side electrode units, the other side of spark plug metal shell has threaded connection part, the center electrode unit is located at the center position of the side of spark plug metal shell, and center electrode unit and spark plug metal shell coaxial heart layout, the center electrode unit includes the center electrode rod installed in the side of spark plug metal shell and the heat conduction core in the inner wall of center electrode rod;By setting side electrode unit in symmetry relative to center electrode unit, the ignition of more uniform can be realized in the mode of double-pole symmetry arrangement, to further can guarantee that ignition energy is more concentrated in ignition gap, effectively improve ignition success rate, avoid the energy consumption brought by multiple ignition.

The application discloses a carbon dioxide hydrogenation system for synthesizing methane, which is suitable for hydrogen source fluctuation, and solves the technical problems of the existing methanation reaction system, such as large equipment investment, large floor area and potential safety hazards caused by the hydrogen storage buffer device for suppressing hydrogen source fluctuation. The system comprises a raw material supply unit, a preheating unit, a reaction unit, a waste heat recovery unit, a cooling and separation unit, a circulation unit and a control unit. The hydrogen feeding pipeline of the raw material supply unit is provided with a flow detection device. The raw material preheater of the preheating unit performs primary preheating on the mixed raw material gas, and an electric heater performs secondary heat supplement. The reaction unit comprises a primary adiabatic reactor and a secondary adiabatic reactor. The waste heat recovery unit comprises a primary steam generator and a secondary steam generator. The total outlet pipeline connected with the gas phase outlet of the water separator of the cooling and separation unit is divided into an external delivery pipeline and a circulation pipeline. The control unit takes fresh hydrogen flow as a feedforward variable to perform collaborative adjustment.

This utility model relates to the field of combustion technology and discloses a two-stage ignition fuel nozzle device, including a fuel nozzle mounting base. A flow regulating valve is located at the rear end of the fuel nozzle mounting base, and fuel nozzles are fixedly mounted on both sides inside the mounting base. This utility model uses the structural design of the fuel nozzle mounting base to connect two fuel nozzles separately. The flow regulating valve can control the fuel flow to each of the two fuel nozzles. When a low flame is needed, the fuel flow to one or both fuel nozzles is reduced; when a high flame is needed, the fuel flow is increased. After ignition by the ignition needle, a flame stabilizer plate stabilizes the flame. Air from the air intake pipe mixes thoroughly with the atomized fuel. A heat shield prevents heat loss and protects surrounding components. The operation of this series of mechanisms drives the switching between high and low flames, thus enabling the device to control two fuel nozzles separately, achieving the purpose of switching between high and low flames. It ensures complete combustion, eliminates fuel odor, and is suitable for various applications requiring heating.

This invention relates to a plasma processing cavity, comprising: a reaction cavity, wherein a support structure for supporting a substrate is disposed in the reaction cavity; a dielectric window located above the reaction cavity, through which a coil array transmits an electromagnetic field to the reaction cavity; and a coil array comprising at least three ICP excitation coils and a phase-shifting coil for interconnecting the ICP excitation coils, wherein the phase-shifting coils cause the currents of different ICP excitation coils to be connected in opposite phases, and the inter-turn currents of the phase-shifting coils are either in phase or out of phase; the total length of all ICP excitation coils and the phase-shifting coils is nλ, where n is a natural number and λ is the wavelength corresponding to the frequency of the radio frequency transmitter, and the total length is the wire length of the radio frequency feed point and the ground feed point.

The utility model provides a commercial outdoor efficient gas fryer, which belongs to the technical field of fryers and comprises an oil cylinder and a fire tube arranged in the oil cylinder and used for heating oil, a chimney communicated with the fire tube is attached to the outer wall of the oil cylinder, and the chimney and the oil cylinder share the same wall surface; the fire tube can convey high-temperature flue gas generated during combustion into the chimney; the top of the chimney is designed to be open, a smoke discharging gap used for discharging smoke is formed in the opening of the chimney, and the size of the smoke discharging gap is smaller than that of the opening in the upper portion of the chimney so that the smoke discharging speed can be limited, high-temperature smoke can be retained in the chimney, and heat can be conducted to the oil cylinder through the common wall face. According to the utility model, the fire tube and the chimney are matched for use, so that high temperature of the fire tube and high-temperature flue gas synchronously heat oil, heat energy is fully utilized, and the oil heating efficiency is improved.

The present application belongs to the technical field of underwater propulsion ignition control, and particularly relates to a high-efficiency ignition control method for underwater aluminum powder and atomized water reaction. The present application adjusts system variables based on real-time working conditions, performs drying and dispersion on aluminum powder, and performs stable pressure atomization and preheating on water. Then, layered induction heating is implemented by using an alternating magnetic field, and through two-stage gradient heating of preheating and ignition, instantaneous ignition triggering is realized. During the reaction, a temperature closed-loop control mechanism is constructed, the heat preservation power and the material supply rate are dynamically adjusted, and pressure adaptation is simultaneously performed to maintain the continuous stability of the reaction. Finally, the system is reset through smooth cooling and multi-stage purging. The present application effectively overcomes the interference of underwater extreme environment, significantly improves the ignition success rate and system operation stability, effectively reduces the overall ignition energy consumption, and provides a reliable closed-loop control scheme for the engineering application of a new type of underwater high-energy power system.

The ignition method and device are applied to a vehicle, the vehicle comprises the pure ammonia engine and a motor, the pure ammonia engine comprises a variable valve timing device, and the method comprises the steps that if a pure ammonia engine starting instruction is received, the motor is controlled to drive the pure ammonia engine to the preset rotating speed, and the rotating speed is maintained for the first preset time; after the first preset time is maintained, the variable valve timing device is controlled to enter a preset control state; ammonia injection control and ignition control are executed at the later stage of the compression stroke of the pure ammonia engine to ignite the pure ammonia engine. According to the method, rapid and reliable starting of the pure ammonia engine in the hybrid power vehicle is achieved, meanwhile, the combustion process is optimized, and the energy efficiency and starting smoothness of the whole vehicle are improved.