153results about "Electric ignition installation" patented technology

The invention provides a spark plug service life prediction method and device, terminal equipment and a medium. The method comprises the steps that periodic driving parameters of a vehicle in a detection period are acquired; according to the periodic driving parameter, determining a periodic attenuation rate corresponding to a spark plug of the vehicle in the detection period; and determining the residual service life of the spark plug according to the initial attenuation rate and the periodic attenuation rate. According to the method, the residual service life of the spark plug can be periodically and accurately predicted, and whether the spark plug needs to be replaced or not is periodically judged, so that resource waste caused by premature replacement of the spark plug can be avoided, the spark plug can be timely replaced, and normal operation of a vehicle is guaranteed.

The utility model relates to the technical field of engines, in particular to a spark plug, an engine and a vehicle. A spark plug includes: a pre-chamber cap; the spray hole structure penetrates through the pre-combustion chamber cap, the spray hole structure comprises a first spray pipe and a second spray pipe which are communicated, a first opening of the first spray pipe is located in the inner wall of the pre-combustion chamber cap, a second opening of the second spray pipe is located in the outer wall of the pre-combustion chamber cap, and the diameter of the first spray pipe is different from that of the second spray pipe. According to the technical scheme, carbon deposition is intensively generated around the outlet of the second spray pipe of the spark plug, the carbon deposition is effectively prevented from being gathered towards the first spray pipe on the inner side, the influence of the carbon deposition on the primary development of jet flame is reduced, in addition, the outlet of the first spray pipe of the pre-combustion chamber and an internal flow channel of the spray hole structure are protected, and the service life of the spark plug is prolonged. Therefore, the propagation of jet flame in the spray hole is not influenced.

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).

The invention discloses an ignition device for a zero-low-carbon engine, the engine and operation equipment, and the ignition device comprises a spark plug which is provided with an ignition structure; a protection cavity is formed in the protection cover, the protection cover is connected to the spark plug, the ignition structure is contained in the protection cavity, the protection cover is provided with an ignition opening, and the protection cavity is communicated with the external space of the protection cover through the ignition opening. According to the ignition device for the zero-low-carbon engine, the protective cover is arranged to protect the ignition structure of the sparking plug, so that the airflow state near the ignition structure is relatively stable, and disturbance of a combustible mixture formed by fuel and air to the ignition structure can be reduced; the ignition device can accurately and reliably control the ignition time, and safe operation of an engine is guaranteed.

The utility model relates to the field of ignition coil production, in particular to an ignition coil open circuit test device which comprises a bottom plate. The upper end of the bottom plate is provided with a test module, the upper end of the test module is provided with mounting support plates in bilateral symmetry, the upper sides of the front ends of the mounting support plates are provided with mounting grooves, the mounting grooves are internally provided with the sliding frame, and the right end of the sliding frame is provided with a first motor; a first lead screw is rotationally connected into the sliding frame. The first motor drives the first lead screw to rotate, the sliding frame is used for limiting rotation of the movable base and driving the movable base and a connecting part to move, the electric push rod drives the connecting base and the fountain pen to move to complete marking of the ignition coil, the second motor drives the second lead screw to rotate, and rotation of the main sliding base is limited through the main movable frame. And the main sliding seat and the clamping module are driven to move to realize automatic plugging of the connecting line, so that marking and plugging operations are synchronously completed.

An ignition system for a combustion engine, includes a combustor having an igniter configured to receive a series of electrical current pulses, and, responsive to each electrical pulse, to generate a spark. A sensor is configured to detect each electrical pulse to provide a signal indicative of the electrical pulse to a controller. The controller is configured to determine, prior to an injection of a fuel into the combustor, a spark rate of the igniter, determine whether the spark rate satisfies a spark rate threshold, and in response to a determination that the spark rate satisfies the spark rate threshold, initiate an injection of the fuel into the combustor.

The utility model discloses a supercharged gasoline engine with a high-pressure EGR (exhaust gas recirculation) function and a vehicle, and belongs to the technical field of automobiles. The supercharged gasoline engine comprises a plurality of air cylinders, a piston is arranged in each air cylinder, the pistons are connected with the crankshaft and drive the crankshaft to rotate, and the combustion chamber is formed by the air cylinders and air cylinder heads. The engine is provided with a high-pressure EGR system, an EGR gas inlet pipe is connected with an exhaust manifold, part of waste gas is introduced into the high-pressure EGR system to be cooled and then fed into a gas inlet manifold through an EGR gas outlet pipe, the cooled waste gas is mixed with fresh air and then enters a combustion chamber, and the combustion process is optimized. The high-pressure EGR system further comprises an EGR differential pressure sensor and a temperature sensor, and the sensors feed detection data back to the ECU and are used for adjusting the opening degree of the EGR valve. According to the system, the fuel economy is improved, NOx emission is reduced, and the combustion stability of the engine is improved. The supercharged gasoline engine can effectively balance engine performance and emission requirements, and is suitable for various vehicles.

The invention discloses a zero-low-carbon fuel combustion device based on catalytic heat surface combustion supporting and a control method thereof, and relates to the technical field of aviation power equipment.The zero-low-carbon fuel combustion device based on catalytic heat surface combustion supporting comprises a glow plug suitable for being installed on the wall face of a combustion chamber of an engine and stretching into the combustion chamber of the engine; the protective cover is arranged on the radial outer side of the glow plug, a cavity is formed between the inner circumferential surface of the protective cover and the outer circumferential surface of the glow plug, catalyst layers are arranged on the inner circumferential surface of the protective cover and the outer circumferential surface of the glow plug, a first opening communicated with the cavity is formed in the protective cover, and the first opening comprises a plurality of sub through holes formed at intervals; a second opening is formed between the protective cover and the glow plug; and the injector is suitable for injecting fuel into the first opening. The zero-low-carbon fuel combustion device based on catalytic heat surface combustion supporting has the advantages of being capable of achieving the zero-low-carbon target conveniently, good in ignition performance, high in flame propagation performance, long in service life and the like.

To detect an accidental fire in an engine (internal combustion engine) with high accuracy.SOLUTION: In an accidental fire detection method, during auxiliary chamber ignition operation in which an ignition spark plug for an auxiliary chamber ignites an air-fuel mixture in the auxiliary chamber, an ignition device for a main chamber detects the concentration of ions in the main chamber, and an accidental fire detection unit detects an accidental fire based on the detection result of the ignition device for a main chamber.SELECTED DRAWING: Figure 5

The utility model relates to a multi-sparking plug ignition system, combustion chamber and gas engine, multi-sparking plug ignition system includes precombustion chamber and second sparking plug, precombustion chamber is provided in dome structure center, precombustion chamber is provided with first sparking plug, precombustion chamber is provided with a plurality of jet orifice at interval along the circumference, second sparking plug is provided with second sparking plug. At least one spray hole points to a high-frequency detonation area near an exhaust throat of an exhaust passage in the combustion chamber, the second spark plug and the pre-combustion chamber are arranged between the air inlet passage and the exhaust passage in a spaced mode, and the second spark plug is close to the edge of the dome structure. The high-speed jet jetted by the pre-combustion chamber in the multi-spark-plug ignition system enables flame to reach the edge of the combustion chamber as soon as possible, and the second spark plug can accelerate combustion in the nearby space, so that the multi-spark-plug ignition system can effectively improve the flame propagation speed, shorten the time for the flame to propagate to the edge of the combustion chamber and improve the combustion efficiency. Flame can reach the edge of a combustion chamber of an engine as soon as possible, and the aim of reducing the knocking tendency is achieved.

IGNITION PRE-CHAMBER WITH ORIENTED VALVE The ignition pre-chamber with an oriented valve (1) comprises a stratification conduit (7) which opens into a combustion chamber (3) via a non-magnetic pre-chamber nose (62) in which is fixedly mounted a friction insert for an oriented valve (60), a valve with a guide pin (50) formed of a main valve body (8) and an orientation pin (15) that can translate within said insert (60) while said valve (50) has an external circular peripheral valve body guide bearing (64) and an external circular peripheral pin guide bearing bearing (66) which cooperate respectively with an internal valve body guide cylinder (63) and an internal orientation pin guide cylinder (65) provided in the friction insert for an oriented valve (60). Figure for the abbreviation: Fig. 1

A device for monitoring a life condition of a spark igniter in a gas turbine ignition system. The device includes an evaluation circuit having circuit components that include a hold capacitor, a transistor, and an operational amplifier arranged to form a sample-and- hold circuit, wherein an igniter spark impulse signal is applied to an input node of the evaluation circuit causing the transistor to turn on and the hold capacitor to discharge for a duration of the igniter spark impulse signal, and wherein a discharged voltage at the hold capacitor is maintained and output by the operational amplifier, the discharged voltage representing the duration of the igniter spark impulse and indicating the life condition of the spark igniter.

Crankshaft angle detection device, which includes: an alternating current generator rotor (20) which is held by one end of a crankshaft (10) and is designed to rotate integrally with the crankshaft (10); a pulse generator ring (30) made of a metal plate, having an outer diameter (D2) larger than an outer diameter (D1) of the AC generator rotor (20), wherein the pulse generator ring (30) has an annular plate region (31) and a detected region (32) having a plurality of convex regions (32) formed on an outer circumference of the annular plate region (31), which form a predetermined void between themselves and an outer circumferential surface (22) of the AC generator rotor (20), being curved in the direction of the outer circumferential surface (22) of the AC generator rotor (20) in an axial direction of the crankshaft (10), and is configured to rotate integrally with the AC generator rotor (20), wherein the annular plate region (31) is attached to a side surface (21) of the AC generator rotor (20); and a magnetic sensor (40) which is formed on an outer circumference of the pulse generator ring (30) and is designed to detect the detected area (32).

The invention provides a spark plug abnormity judgment method and a parking heater, the spark plug abnormity judgment method is applied to the parking heater, the parking heater comprises a spark plug, and the method comprises the steps that current is provided for the spark plug to ignite when the parking heater is started, detecting a first resistance value of the spark plug; after the spark plug continuously works for a first duration, reducing the current, and detecting a second resistance value of the spark plug; and comparing the first resistance value with the second resistance value to determine whether the spark plug has abnormal ignition or not.

To provide a misfire detection device and a misfire detection method for an internal combustion engine capable of inexpensively and highly accurately detecting misfire by reducing effects of disturbance in misfire detection to the extent possible.SOLUTION: A misfire detection device detects presence / absence of misfire in an internal combustion engine (1) in which each of an intake stroke, a compression stroke, a combustion stroke and an exhaust stroke is performed in a cylinder (3) through rotation of a crank shaft (6), and includes: a crank position sensor (32) for detecting a crank angle signal (Sn) synchronized with a rotating angle of the crank shaft (6); and a control unit (31) that calculates a plurality of inter-signal times (Xn) that are reception intervals of respective crank angle signals (Sn) on the basis of the plurality of crank angle signals (Sn) detected by the crank position sensor (32). The control unit (31) detects presence / absence of misfire on the basis of each inter-signal time (Xn) in the combustion stroke.SELECTED DRAWING: Figure 4

The utility model relates to the technical field of distributors, and discloses a sensor distributor with an ignition coil, which comprises a base and a transmission belt, the top of the base is fixedly connected with a hollow cover, the bottom of the base is provided with a shell, and the outer side of the hollow cover is fixedly connected with a hollow frame. The left side of the top of the hollow frame is rotationally connected with a first lead screw, the right end of the top of the inner side of the hollow frame is rotationally connected with a second lead screw, the front end and the rear end of the top of the inner side of the hollow frame are rotationally connected with rotating shafts, and belt wheels are fixedly connected to the upper middle portions of the outer sides of the first lead screw, the second lead screw and the rotating shafts. According to the ignition device, through the cooperation between the transmission belt and the belt pulley, a plurality of threaded columns can be screwed off at the same time, a worker does not need to screw off a plurality of bolts in sequence, and through the cooperation among the impeller, the square sliding groove and the arc-shaped sliding groove, ignition operation can be rapidly conducted, and therefore the practicability of the ignition device can be improved.

Method (P) for determining the angular position of a camshaft target (C) equipped with a plurality of teeth, the method comprising the following steps: - acquiring a signal consisting of rising and falling edges representing the passage of the teeth of the target (C), - calculating, for each of M significant edges associated with the teeth of the target (C), a theoretical ratio CP(j) as a function of known angular deviations P(j) between the edges, then - upon each reception of a new significant edge, starting the execution of an independent sub-method (SP1) for determining an index of the edge located at the camshaft sensor, each sub-method being based on a comparison between actual ratios CT(k) as a function of time intervals Tk and the theoretical ratios CP(j), synchronization being achieved when one of said sub-methods has a success state Ps,The angular position of the camshaft target is then determined from the angular position of the significant index front associated with said sub-process. Figure for the abbreviation: Figure 2,

A method for operating an internal combustion engine (10) with hydrogen as fuel is proposed, in which hydrogen is directly injected into the combustion chamber (13) of the internal combustion engine and the ignition of the air-hydrogen mixture in the combustion chamber (13) is effected by means of a prechamber spark plug (1). An operating state of the internal combustion engine (10) is identified in which there is a tendency towards pre-ignition. In the identified operating range, the internal combustion engine is operated with a time overlap of the opening of the air intake valve (2) and the exhaust gas exhaust valve (3) of the combustion chamber (13). Furthermore, a prechamber spark plug (1) with a prechamber cover (4) for igniting an air-hydrogen mixture introduced into the combustion chamber (13) of an internal combustion engine (10) is proposed, wherein the prechamber cover (4) has a flushing opening (6). The flushing opening (6) is configured to form an air flow in the prechamber cover (4) with the air intake valve (2) and the exhaust gas exhaust valve (3) of the combustion chamber being open at the same time.

A spark plug lead includes a connector made of electrically insulating material. The connector includes a lead hole, a spark plug hole defining a terminal pocket adjacent to one end of the lead hole, and a retaining device extending radially inward from a side wall of the lead hole, defining a radial wall of the terminal pocket. A terminal is positioned in the terminal pocket and configured to be connected to a spark plug when received in the spark plug hole. The radial wall of the retaining device is configured to engage with the terminal to prevent movement of the terminal. A lead is positioned in the lead hole and electrically connected to the terminal.

A DC ignition circuit sampling control circuit and a sampling control method, including an ignition controller. The output end of the ignition controller is connected to an ignition start trigger, and the ignition start trigger is electrically connected to an ignition device. A current transformer H1 is provided on the ignition cable between the ignition start trigger and the ignition device, and the current transformer H1 is electrically connected to an ignition acquisition system. By controlling multiple triodes simultaneously through multiple ignition signals, the ignition power supplies controlled by the triodes are connected in parallel and then connected to the ignition circuit, which can avoid abnormal ignition when one path fails. Moreover, by utilizing the phenomenon of the instantaneous current rise of the ignition coil, the current transformer detects this instantaneous rise moment, amplifies the signal, and then sends it to the acquisition system. The direct current can be detected by the current transformer, and the accurate ignition moment can be recorded, which has extraordinary significance for the control of the engine. This control circuit has a simple structure, is reliable and durable, and is suitable for popularization in the field of engine testing.

The utility model provides an engine ignition system test bench, which relates to the technical field of engine ignition systems and comprises a support, and a rotary driving device, a magneto, a whole vehicle line and at least one ignition controller used for converting low voltage into high voltage pulse which are sequentially connected are arranged on the support. The output end of the ignition controller is connected with a sparking plug, the support is further provided with a grounding electrode which is spaced from the output end of the sparking plug and right faces the output end of the sparking plug, and the magnetor, the ignition controller and the sparking plug are detachably connected with the support so that the magnetor to be tested, the ignition controller to be tested and the sparking plug to be tested can be replaced and installed when the ignition system breaks down. A test is carried out through a control variable method, a fault part can be quickly diagnosed according to a test result for maintenance, and the maintained part is tested again to quickly diagnose whether the part is well repaired or not. Through the two diagnosis modes, the fault maintenance efficiency of the ignition system is greatly improved.

The utility model provides a small general gasoline engine igniter which comprises a gasoline engine igniter, an electric wire and an igniter connecting channel, rectangular sliding grooves are formed in the left end and the right end of the gasoline engine igniter respectively, threaded grooves are formed in the close ends of the two rectangular sliding grooves respectively, and rotating sliding rods are connected into the two rectangular sliding grooves in a sliding mode respectively. By means of the design, the problems that in an original device, when an igniter for a gasoline engine is installed on the gasoline engine, the igniter can only be installed on connecting hinge plates of the matched types, the use range of the connecting hinge plates is reduced, and installation is not convenient are solved. The connecting hinge plate for the igniter of the gasoline engine is reasonable in structure and good in practicability, the igniter of the gasoline engine can be installed on the gasoline engines of different types by adjusting the position and the direction of the connecting hinge plate on the igniter of the gasoline engine, and therefore the use range of the connecting hinge plate is enlarged.

The present disclosure provides a spark plug wire for a vehicle ignition system. A spark plug wire includes an electrically insulating material shield. The shield includes: a wire hole; a spark plug bore defining a terminal pocket adjacent an end of the wire bore; and a retainer extending radially inward from a sidewall of the wire hole and defining a radial wall of the terminal pocket. A terminal is disposed in the terminal pocket and is configured to connect with a spark plug when received in the spark plug bore. The radial wall of the retainer is configured to engage with the terminal to inhibit movement of the terminal. A wire is disposed in the wire hole and electrically connected to the terminal.

A piston discharge structure for a plasma cloud excitation engine is provided. The piston discharge structure includes a movement electrode, a distributed multi-cavity combustion chamber, a fixed electrode, and a variable interval discharge region. The movement electrode is provided at a top portion of a piston and includes a first combination shape and a first movement electrode structure, the distributed multi-cavity combustion chamber is provided at the top portion of the piston, the fixed electrode is provided at a top portion of a cylinder block or a bottom portion of a cylinder head and including a second combination shape and a second structure, and the variable interval discharge region is defined by the movement electrode and the fixed electrode.

The utility model discloses an aero-engine which comprises a cylinder head, the cylinder head is connected with a spark plug, one end, located on the outer side of the cylinder head, of the spark plug is connected with a high-voltage damping wire shielding cap, the cylinder head is detachably connected with an auxiliary fixing piece, and the auxiliary fixing piece is connected with the high-voltage damping wire shielding cap in a hooking mode. According to the scheme, the problem that in the prior art, poor contact is prone to occurring between the spark plug and the high-voltage damping wire of an aero-engine is solved.

The application relates to systems and methods for creating a dynamic nanogrid and for aggregating electrical power consumers to participate in an energy marketplace. Disclosed is an apparatus having a form factor adapted to a metal electrical circuit breaker panel, the apparatus comprising: a switch coupled to a processor, a load terminal, and a power connector adapted to a main wire compatible with the metal electrical circuit breaker panel; a wireless network module having a wireless transceiver coupled to the processor; an antenna coupled to the wireless transceiver, the antenna protruding from the metal electrical circuit breaker panel; a current sensor coupled to the load terminal and a processor configured to: sample a current conducted to the load terminal using the current sensor; and in response to receiving a command from the house power controller to power off the load terminal via the wireless network module, opening the switch upon detecting the sampled AC current zero crossing when a load connected to the load terminal is in an active state.

To provide an internal combustion engine control device and an internal combustion engine control method that can reduce misfires in lean combustion, and can restrain deterioration of an ignition device.SOLUTION: An internal combustion engine control device comprises a control unit for controlling an ignition device in an intake stroke out of a combustion cycle of an internal combustion engine to cause it to perform preliminary ignition different from main ignition for igniting an air-fuel mixture. The control unit determines ignition periods and frequencies of preliminary ignition signals to be outputted to the ignition device in accordance with a flow mode of the air-fuel mixture in a combustion chamber.SELECTED DRAWING: Figure 3

To enable dynamic management of electric power at the time of power failure of a power supply grid and shortage of electric power from a power generation source of facilities.SOLUTION: A group of residences, enterprises, or other power consuming facilities are aggregated and commonly controlled so as to dynamically reduce a load at a sufficient rate and by a sufficient amount to participate in an energy market as a market participant. The participation includes participation as a peak load power generation plant. While an amount of reduction in power consumption for single facilities is typically very small, a sum of the reduced consumption for an aggregate of just a few thousand residences or enterprises may be on an order of several hundreds of kilowatts. A premises power controller may cooperate with an intelligent circuit breaker, which may include a dimmer. The premises power controller allows for dynamic management of individual loads at each facility.SELECTED DRAWING: Figure 1