495 results about "Ignition control" patented technology

The invention relates to a starting time sequence control method and device for an ion electric propulsion system. According to the neutralizer ignition control time sequence, the main cathode ignition control time sequence and the discharge chamber arcing control time sequence, neutralizer arcing, main cathode arcing and discharge chamber arcing controlled by the ion electric propulsion system starting time sequence are carried out; after arc starting of the discharge chamber succeeds, beam extraction of ion electric propulsion system starting time sequence control is carried out according to the beam extraction control time sequence; and after the beam current is successfully led out, power supply out-of-tolerance judgment for starting time sequence control of the ion electric propulsion system is carried out, and if the power supply out-of-tolerance judgment passes, the ion electric propulsion system is successfully started. According to the invention, on the premise of ensuring normal starting of the ion electric propulsion system, optimization of the ignition time sequence of the thruster is realized; the purposes that the neutralizer starts arcing preferentially, the ignition time of the main cathode is shortest, the gas supply balance time of the anode is shortest, the discharge chamber starts arcing stably, the length and width range of the ignition starting time of the thruster is adjustable, and the whole starting time sequence has high robustness control are achieved.

The invention relates to the technical field of sintering production, in particular to a self-adaptive control method for an ignition process of a metallurgical sintering machine, which comprises the following steps of: acquiring key parameters such as material layer thickness, hearth pressure, sintering machine speed and air box temperature in a sintering machine system in real time, and transmitting acquired data to an ignition control model unit; and parameters such as fuel and air flow and air volume are dynamically adjusted by adopting a self-adaptive optimization algorithm, so that rapid improvement and stable control of the ignition efficiency are realized. According to the method, temperature and fuel in the ignition process are evaluated through a big data analysis technology in combination with actual requirements of the sintering process, and an ignition control strategy is optimized in combination with an intelligent regulation and control algorithm. Aiming at the complexity of an ignition process of the metallurgical sintering machine, an adaptive optimization technology is utilized to realize accurate control of the ignition process, and optimization suggestions are comprehensively given according to an ignition temperature curve and a fuel consumption condition to timely guide an operator to adjust process parameters, so that the ignition efficiency is improved, the energy consumption is reduced, and the sintering quality is improved.

An ignition control method includes: providing a substrate processing apparatus including a pair of electrodes in a processing container, a matching box including a variable reactor and an electronic circuit, an RF power supply connected to the electrodes, and a temperature sensor that detects a temperature of the variable reactor; setting the temperature of the variable reactor to a first temperature, and measuring first information indicating a voltage between the electrodes for each adjustment position of the variable reactor when a radio-frequency voltage is applied to the electrodes; determining a preset value of the variable reactor based on the first information; acquiring the detected temperature of the variable reactor as a second temperature; and when the first and second temperatures are different, correcting the current by controlling the electronic circuit such that an adjustment position of the variable reactor becomes the determined preset value.

The invention discloses a remote ignition control system for a release flare, and relates to the technical field of release flare control, the system comprises the following components: a fault detection module, a fault isolation module, a standby module, a redundant circuit switching module, a fault diagnosis module and a wireless communication module; by integrating multiple modules of fault detection, fault isolation, standby module and redundant circuit switching, fault diagnosis and wireless communication, comprehensive remote monitoring and management of the release flare ignition control system are achieved, when the system detects a fault, electrical connection of a fault component can be rapidly cut off, and the safety of the release flare ignition control system is improved. And the standby module or the redundant circuit is automatically switched, so that the continuous and stable operation of the system is ensured, the reliability and the safety of the system are remarkably improved, and the risk of production interruption caused by faults is reduced.

The invention provides an inclined variable-angle aircraft interstage separation ground test device. The inclined variable-angle aircraft interstage separation ground test device comprises an aircraft separation device, an angle adjusting device, a temperature control and acquisition device, a vibration control and impact acquisition device, an ignition control device and a device base. The angle adjusting device comprises a device side plate, an arc groove, an angle ruler, a separation mechanism mounting plate, a supporting hinge, a supporting rod, an adjusting sliding rail, an adjusting base, a locking device, a device base gradienter, a rotating bearing and an auxiliary fixing block. The temperature control device comprises a quartz lamp array heating cage, an outer wall temperature control thermocouple and an inner wall temperature acquisition thermocouple, and can simulate a pneumatic heating environment at a separation moment, so that the thermal deformation matching capability of the separation mechanism in a high-temperature environment and the operation reliability of the separation mechanism are obtained. The vibration control and impact acquisition device is composed of a vibration table, a vibration control sensor and an impact sensor.

The invention relates to a safety air bag ignition control method and device, computer equipment, a storage medium and a computer program product. The method comprises the steps that the running state of the automobile safety air bag control system is configured through the safety control state machine; under the condition that the running state is the normal state, the ignition function of the automobile safety air bag control system is configured to be in a forbidden state through a safety control state machine; in response to the fact that the automobile safety air bag control system is powered on for the first time and / or a watchdog error is detected, the running state is switched to a watchdog error protection state from a normal state through a safety control state machine; and under the condition that the operation result of the sensor data processing unit exceeds a preset threshold value, the operation state is switched from the normal state to the safety air bag ignition enabling state through the safety control state machine, and the ignition function is switched to the starting state. By adopting the method, the low-delay and high-precision response requirements of the chip on the ignition control instruction can be met.

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 invention discloses a high-integration intelligent ignition head device and an automobile safety communication power supply system thereof. The device comprises an input unit, a power management module, a communication module, a communication judgment module, an MCU, a voltage sensing module, a current sensing module, an ignition control module, an ignition element and a substrate, and an environment self-adaption unit, a dual-mode wireless energy supply unit and an optical fiber diagnosis channel can be additionally arranged. The system adopts the device, communicates with a central control unit through a redundant optical fiber bus and a double-wire bus, and further comprises the central control unit, a dynamic topology reconstruction unit and a pre-ignition energy distribution unit. Through digital signal control, multi-dimensional sensing module integration and a double-wire bus topological structure, ignition threshold multi-stage protection, state real-time monitoring and feedback, multi-ignition-head parallel independent control and miniaturized function integration are achieved, and the reliability, the intelligent degree and the driving efficiency of an automobile safety system are improved.

The invention relates to the technical field of dust combustion, and provides a dust explosion combustion experiment device in order to solve the problems that an existing dust explosion combustion experiment device is insufficient in parameter control precision, and an experiment multi-focus single variable lacks a dust removing mechanism and a safety protection measure, and the dust explosion combustion experiment device comprises an experiment table which is provided with a power chamber and an equipment chamber; one side of the experiment table is hinged with an access door, two sides of the top of the experiment table are provided with conveying main pipes extending to the equipment chamber, a power supply assembly is arranged in the electric power chamber; the protective shell assembly comprises an outer shell and an inner shell; a plurality of exhaust pipes are arranged at the top of the inner shell; the dust generation assembly comprises a plurality of dust storage tanks and an air compressor; the ignition control assembly comprises a pulse igniter, a flame detection feedback circuit and an ignition head; the environment adjusting assembly comprises a box body, an oxygen tank and a humidifier, wherein the oxygen tank and the humidifier are arranged in the box body. The device has the advantages that the dust concentration is accurately regulated and controlled, the environmental parameters are dynamically coupled and controlled, dust residues are rapidly removed, and the experiment safety is high.

The invention discloses a liquid carrier rocket engine multi-ignition system and method, and the liquid carrier rocket engine multi-ignition system comprises a diaphragm storage tank, a plurality of liquid carrier rocket engines and a plurality of ignition control valves; the diaphragm storage box comprises a gas cavity and a liquid cavity; the multiple liquid carrier rocket engines are arranged in parallel and can communicate with the liquid cavity. The number of the ignition control valves is the same as that of the liquid carrier rocket engines, and the ignition control valves are in one-to-one correspondence with the liquid carrier rocket engines; the ignition control valve is configured to control the ignition agent in the liquid cavity to enter the corresponding liquid carrier rocket engine through opening and closing of the ignition control valve, and multiple times of ignition of the corresponding liquid carrier rocket engine is achieved. The multi-engine parallel liquid carrier rocket engine can be ignited multiple times, the structure is simple, operation is safe and convenient, and the ignition stability is high.

According to the direct-current fixed-frequency ignition circuit for the aero-engine and the ignition control method of the direct-current fixed-frequency ignition circuit, in the ignition circuit, the input end of a front-stage DC-AC inverter booster circuit is connected with a direct-current power source, and the output end of the front-stage DC-AC inverter booster circuit is connected with the input end of a rear-stage high-voltage circuit; the output end of the rear-stage high-voltage circuit is connected to an ignition electric nozzle of the aero-engine and the sampling input end of the frequency stabilization control circuit, and the output end of the frequency stabilization control circuit is connected to the reset end of a control chip in the front-stage DC-AC inverter booster circuit. The direct-current fixed-frequency ignition circuit filters noise signals in direct-current electric energy through a front-stage DC-AC inverter booster circuit, converts input low-voltage direct-current electric energy into high-voltage pulse electric energy and transmits the high-voltage pulse electric energy to a rear-stage high-voltage circuit, and the high-voltage pulse electric energy is stored and released through the rear-stage high-voltage circuit so as to break down a discharge medium of an ignition electric nozzle. And sampling the high-voltage pulse electric energy released by the post-stage high-voltage circuit through the frequency stabilization control circuit, and forming a control signal for controlling the reset end of a control chip in the pre-stage DC-AC inverter booster circuit through a sampling signal. According to the technical scheme, the problems that the ignition frequency and the ignition energy of an existing fixed-frequency ignition circuit fluctuate under the influence of factors such as input voltage changes and temperature changes, so that the service life of the fixed-frequency ignition circuit is shortened, and performance is prone to decline or fail are solved. And the ignition efficiency and the working performance of the engine are influenced.

The invention belongs to the technical field of explosion suppression experiments, and particularly relates to an explosion suppression testing device which comprises an ignition electrode arranged in an explosion area and electrically connected with an ignition controller, the ignition controller is electrically connected with a control computer, and the ignition electrode is controlled by the control computer and the ignition controller to ignite an explosion source; the explosion suppression device is arranged at the top of the explosion area and is used for suppressing explosion after the explosion source is detonated; the explosion suppression device is filled with a water-based explosion suppression material, a powder explosion suppression material or a gas explosion suppression material; the explosion source is one of a solid explosive, a liquid explosive or a dust explosive. The control computer can control the ignition controller to control the ignition electrode to ignite the explosion source, after explosion occurs, the explosion suppression device is started to spray the explosion suppression material to extinguish the explosion source, and data analysis equipment such as a high-speed camera is erected on one side of the device, so that the test process is completely recorded, and performance analysis of the explosion suppression material on the explosion source is realized.

A fixed-wing aircraft flutter excitation and testing system and method. The fixed-wing aircraft flutter excitation and testing system comprises an excitation apparatus and a testing system; the excitation apparatus comprises miniature excitation rockets arranged at excitation points of wingtips of elastic structures on an aircraft, and an ignition control system electrically connected to the miniature excitation rockets; the testing system comprises an airborne signal acquisition subsystem and a vibration signal acquisition subsystem; the airborne signal acquisition subsystem comprises a data acquisition recorder and a GPS antenna, and is used for recording flight state parameters and GPS time of the aircraft; and the vibration signal acquisition subsystem comprises low-frequency vibration acceleration sensors arranged at testing points of rigid planes of the elastic structures on the aircraft, and a data acquisition recorder. According to the fixed-wing aircraft flutter excitation and testing system and method, various flutter modes can be accurately, conveniently and efficiently obtained by means of the excitation apparatus, and flight state parameters and vibration parameters required for flutter analysis are obtained by means of the testing system.

Rocket-assisted artillery rounds and methods for firing the same are described herein. In one example, a rocket-assisted artillery round includes a projectile body, rocket fuel disposed in the projectile body, an ignitor positioned to ignite the rocket fuel, and an ignition control system. The ignition control system includes a controller coupled to first and second sensors. The first sensor is configured to detect a first metric. The first metric is indicative of rotation of the projectile body. The second sensor is configured to detect a second metric. The second metric is indicative of setback of the projectile body. The controller is configured to output an activation signal to the ignitor based on the first metric and the second metric.

The invention provides an air passive missile arresting net bullet, and belongs to the technical field of air missile arresting. The arresting net bullet comprises a bullet head, a bullet body and a bullet tail which are connected in sequence; wherein a propelling system, a delayed ignition controller, a gunpowder chamber and a separation chamber are arranged in the bullet tail, the propelling system is used for providing power for the arresting net bullet, the delayed ignition controller is used for controlling ignition of the gunpowder chamber, the gunpowder chamber is filled with separation fuel for separating the bullet body from the bullet tail, and the separation chamber is used for controlling separation of the bullet body and the bullet tail; a flexible blocking net which is in a preset shape after being unfolded is arranged in the projectile body, the vertex angle or the edge of the flexible blocking net is connected with a small traction ball, and the small traction ball is located in a separation chamber at the connecting position of the projectile tail and the projectile body.

The invention discloses a plasma ever-burning ignition control system which is composed of a communication module, an ignition execution module, a power supply control module and a monitoring module. Through the real-time monitoring module and the analysis module, the purpose of reducing tempering easily caused by an existing plasma torch during ignition is achieved, the tempering phenomenon can be solved in time after tempering occurs, the use risk is reduced, the collaboration among the system modules is good, and the safety of the system is improved. The communication module, the ignition execution module, the power supply control module and the monitoring module are clear in labor division and closely cooperate, communication modes are diversified, internal efficient interaction and remote monitoring management can be achieved, power supply control is accurate, voltage can be stably adjusted, parameters can be monitored and analyzed in real time, and it is guaranteed that plasma is stably generated and ignition is successful.

The invention relates to the technical field of engines, in particular to an anti-knock ignition system of a hydrogen internal combustion engine, a control method and device of the anti-knock ignition system, a storage medium and electronic equipment. The system comprises an ignition coil, an external resistor and a spark plug, wherein the external resistor is connected to the secondary end of the ignition coil in parallel and close to the side where the spark plug is located; the control method comprises the steps of obtaining a current ignition advance angle; calculating a current knock index; whether the knock index is smaller than a current knock index threshold value or not is judged, if not, the ignition advance angle is adjusted according to a preset updating path, and the preset updating path is jointly determined according to the ignition advance angle, the knock index, the knock index threshold value and the adjusting coefficient; and if yes, the current ignition advance angle is kept, and an ignition control signal is sent according to the current ignition advance angle. Compared with the prior art, the method has the advantages that the risk of secondary discharge of the ignition coil is reduced, and engine knock suppression under all working conditions is achieved.

The invention relates to an RH vacuum tank system and a combustion heating operation method, and belongs to the field of ferrous metallurgy vacuum treatment equipment. The system comprises a vacuum tank, a hot bent pipe, a top lance device, a vacuum air pump system and an automatic control system, the hot bent pipe is connected with the vacuum tank, and an automatic ignition device, an infrared temperature measuring device, a video monitoring device and a thermocouple are integrated in the hot bent pipe; the top lance device is of a water-cooling multi-layer sleeve structure, multiple stations are switched through a top lance rotating frame and a lifting trolley, and vacuum sealing is maintained. The method is based on multi-sensor cooperative control, low-temperature ignition, high-temperature spontaneous combustion and molten steel heating modes are automatically executed according to the temperature of a refractory material at the bottom of a tank and the temperature of molten steel, and combustion stability is ensured by dynamically adjusting the flow of fuel gas and oxygen. According to the scheme, through closed-loop ignition control, inert gas protection and intelligent monitoring, the safety is remarkably improved, and the gas explosion risk is avoided; full-automatic operation and precise temperature control are combined, the molten steel quality and the production efficiency are improved, and the device is suitable for refining production of high-value-added steel such as silicon steel and automobile sheets.

The present invention relates to the field of automotive control technology, and particularly to an engine control method, device, equipment and computer-readable storage medium. The engine control method includes: obtaining the concentration of nitrogen oxides in the original exhaust of the engine at least once through a NOx sensor installed upstream of the three-way catalytic converter, and obtaining the engine torque corresponding to the nitrogen oxide concentration; determining a fuel quality coefficient from a preset ignition control map based on the nitrogen oxide concentration and the engine torque; if the fuel quality coefficient is within a first preset range, controlling the intake pressure of the engine based on the fuel quality coefficient. The present invention realizes detecting the fuel quality in the engine before controlling the intake pressure of the engine, and controlling the intake pressure of the engine based on the fuel quality when the fuel quality is normal, so as to consider the interference of the fuel quality on the intake pressure during the process of controlling the intake pressure, improve the accuracy of controlling the intake pressure of the engine, and thus reduce the pollution of the engine exhaust gas.

The invention discloses an ignition process of a stainless steel hot continuous annealing furnace. The ignition process comprises the following steps: (1) preparing equipment, namely respectively arranging needle type gas flow regulating valves controlled by an annealing furnace control system on gas pipelines corresponding to burners in eight heating areas of an open fire heating area of the annealing furnace; (2) ignition control: (2.1) in the primary ignition process of the annealing furnace, the air amount and the gas amount of each burner in eight heating areas of an open fire heating area of the annealing furnace during ignition are given according to a formula; and (2.2) after the annealing furnace is successfully ignited for the first time, in the operation process of the annealing furnace, the air amount and the gas amount are given according to the maximum amount when all the burners in the eight heating areas of the open fire heating area of the annealing furnace are ignited again after flameout. The ignition device has the advantage of high ignition success rate.

The invention relates to the technical field of wall-hanging stoves, and discloses an ignition control method and device of a wall-hanging stove, a controller and the wall-hanging stove.The ignition control method comprises the steps that when ignition of the wall-hanging stove fails, the valve opening current of a gas proportional valve of the wall-hanging stove is detected, and when the valve opening current is smaller than a preset current threshold value, the valve opening current is increased, and the wall-hanging stove is controlled to execute ignition operation again; when the valve opening current is larger than or equal to the preset current threshold value, the fan rotating speed of the wall-hanging stove is detected; and when the rotating speed of the fan is larger than the preset rotating speed threshold value, the rotating speed of the fan is adjusted to the preset rotating speed threshold value, and the wall-hanging stove is controlled to execute re-ignition operation. According to the method, the valve opening current is firstly adjusted when the execution of the ignition operation fails, so that the ignition success rate of the wall-hanging stove is increased by increasing the air inlet pressure, and the rotating speed of the fan is adjusted when the valve opening current is greater than the preset current threshold value, so that the ignition failure caused by flame separation and fire transfer failure is avoided by reducing the air inlet amount of cold air; the ignition success rate of the wall-hanging stove is improved.

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 embodiment of the invention discloses an ignition control method of a pure hydrogen gas turbine, a readable medium and the pure hydrogen gas turbine. A specific embodiment of the method comprises the following steps: controlling a purging device included in the pure hydrogen gas turbine to execute purging operation; all igniters included in the pure hydrogen gas turbine are controlled to execute ignition operation, and a first fuel control valve, a second fuel cut-off valve and a third fuel cut-off valve are controlled to execute opening operation according to preset first ignition opening degree information; according to preset second ignition opening degree information, the first fuel control valve is controlled to execute opening degree down-regulation operation; acquiring a temperature monitoring information sequence set of each combustion chamber thermocouple included in the corresponding pure hydrogen gas turbine and valve state information of a first fuel control valve; ignition result information is generated according to the temperature monitoring information sequence set and the valve state information; and the first fuel control valve is controlled to execute opening degree keeping operation. According to the embodiment, the safety of ignition operation of the pure hydrogen gas turbine can be improved.

A control for a gas fired pool heater is configurable to operate at either a first voltage or a second voltage higher than the first voltage. The control includes an input voltage measurement circuit and an automatic voltage select circuit. The input voltage measurement circuit is configured to be operable for measuring an input line voltage to determine whether the gas fired pool heater unit is connected with the first voltage or the second voltage. The automatic voltage select circuit is configured to be operable for configuring the control for the correct input line voltage as measured by the input voltage measurement circuit.

The invention relates to the technical field of radio frequency power supplies, in particular to a radio frequency power supply ignition control method and system, the method is applied to a radio frequency power supply comprising a power amplifier, and the method comprises the steps that the power amplifier is controlled to output a power signal higher than target power to an input load, so that gas in the input load is subjected to overshoot ignition; determining changes in voltage and current in the input load based on a voltage and current sensor; and after the gas is successfully ignited, the power amplifier is controlled to output a constant power signal within a preset target power range to the input load. The power amplifier is controlled to output the power signal exceeding the target power to the input load, gas overshoot ignition is achieved, and whether gas ignition succeeds or not is judged through voltage and current changes of the input load. Once the ignition succeeds, the power amplifier can be adjusted to output a constant power signal so as to keep the constant power signal within a preset target power range, and therefore the problem that the ignition success rate is low is solved.

The utility model discloses an aircraft rudder limiting module, a stall protection system and a single-engine propeller aircraft, and the aircraft rudder limiting module comprises a rudder limiter, a rudder control mechanism and a mounting support. The ignition control module activates the rudder limiting stopper by receiving aircraft engine power data and stall warning signals, a plunger of the rudder limiting stopper moves to a set position and is locked after the rudder limiting stopper is activated, a limiting column controls the rudder control mechanism, the rudder control mechanism controls a rudder to stop through a rocker arm connected with the rudder control mechanism, and the rudder control mechanism controls the rudder to stop. The rudder limiting function is achieved, tail rotation or deep stall during flight is avoided, and therefore the safety of the aircraft is remarkably improved.

The invention provides a hybrid power unmanned aerial vehicle system and method based on multistage emergency control, and the system comprises an engine state monitoring and failure detection module which collects the operation parameters of an engine in real time through a vibration sensor, a rotating speed sensor and a temperature sensor; the multi-state machine emergency control module is in communication connection with the engine state monitoring and failure detection module; the intelligent ignition control module is in communication connection with the engine state monitoring and failure detection module and the multi-state machine emergency control module; the VTOL mode conversion control module is in communication connection with the multi-state machine emergency control module; the dynamic energy management unit is in communication connection with the multi-state machine emergency control module; and the navigation and communication interface module integrates a receiver and a multi-mode communication link and is in communication connection with the multi-state machine emergency control module. According to the invention, full-automatic closed-loop processing from engine failure prediction and intelligent restart to multi-mode emergency decision and execution is realized.

The invention provides an ignition control method and device of an engine, an automobile, equipment and a medium, relates to the technical field of hybrid electric vehicles, and provides an ignition angle determining method for improving the acceleration sound quality by reducing the ignition angle for the hybrid electric vehicles. Due to the fact that the expressive force of the in-vehicle acceleration sound quality in the whole vehicle NVH performance is different in the different driving modes, the theoretical ignition angles needing to be adjusted in the different driving modes are different. According to the method, the back angle values of different theoretical ignition angles are preset for different driving modes, and the back angle values are used for guaranteeing that the actual ignition angle cannot affect the acceleration sound quality of the vehicle. According to the method, the acceleration sound quality is taken as a reference, and the theoretical ignition angle which easily affects the acceleration sound quality in different driving modes is specifically adjusted, so that the coverage of the theoretical ignition angle which needs to be adjusted is reduced to the greatest extent, and the influence of the annealing and ignition angle on the economical efficiency and the dynamic property of the vehicle is reduced to a certain extent.

The invention relates to a driving protection circuit for an initiating explosive device, belongs to the technical field of initiating explosive devices, and solves the problem of insufficient safety of an ignition driving circuit in the prior art. The driving protection circuit comprises a power supply power-on protection circuit, a capacitor charging protection circuit and an ignition control protection circuit; the power supply power-on protection circuit is connected with a power supply and is used for providing power-on protection when the power supply is powered on and providing charging energy for the capacitor charging protection circuit; the capacitor charging protection circuit is used for receiving the charging energy of the power supply power-on protection circuit under the control of the charging control signal and charging an internal energy storage capacitor; and the ignition control protection circuit is used for releasing the energy of the energy storage capacitor under the control of the ignition control signal to ignite the initiating explosive device load. And safe ignition of the initiating explosive device is realized.

The invention relates to the technical field of gas water heater control, and discloses an ignition control method of a gas water heater controller and a gas water heater, the ignition control method comprises the steps that a feedback signal sent by a driving controller of a direct current fan is received, and the feedback signal carries a signal duty ratio and a signal frequency; the signal type of the feedback signal is judged based on the signal duty ratio of the feedback signal, the signal type comprises an identification signal and a rotation speed signal, and the identification signal and the rotation speed signal correspond to different duty ratio ranges respectively; and if the feedback signal is the rotating speed signal, the gas water heater is controlled to ignite and heat based on the signal frequency of the feedback signal. According to the method, the feedback signal sent by the direct-current fan is recognized, so that the gas water heater is controlled to ignite and heat under the condition that the direct-current fan sends the rotating speed signal, the situation that the recognition signal is mistakenly used as the rotating speed signal and mistakenly ignited under the condition that the direct-current fan is not started due to the fact that the control line is abnormal is avoided, and the safety of a product is improved.