145 results about "Ignition coil" patented technology

An ignition coil assembly with internal diagnostic features that can be used to monitor and evaluate different aspects of an ignition system and provide continuous feedback. The ignition coil assembly may be a coil-on-plug type device that converts low-voltage battery power into high-voltage ignition pulses, and may include several input terminals, an ignition coil with primary and secondary windings, ignition circuitry, an output terminal, a spark plug connector, and a housing. The ignition circuitry includes an ignition operational circuit and an ignition diagnostic circuit, which in turn has a charging evaluation circuit for monitoring a charging phase, a discharging evaluation circuit for monitoring a discharging phase, and a feedback integration circuit for combining outputs into a multiplexed digital signal that can then be sent to an engine control unit (ECU) or the like over a single output terminal.

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.

The utility model relates to the technical field of ignition coil processing, specifically relates to a kind of ignition coil contact patch processing equipment, including bottom plate, the top of bottom plate is equipped with feeding track, the one end of feeding track is equipped with forming carrier, the top of other end is fixed with material storage pipe, the side of feeding track is equipped with the pusher component for the contact patch of material storage pipe bottom is pushed to the forming carrier, the bending assembly is erected above the forming carrier, two limit strips are equipped on the forming carrier, the forming carrier includes adjusting assembly and two forming plates, one end of two forming plates is hingedly arranged, and adjusting plate is hingedly arranged at the other end, support block is slidably connected at the bottom of each adjusting plate, the utility model realizes the automatic feeding and bending work of contact patch, solves the problem that different models of ignition coil contact patch need to replace corresponding mould.

The utility model relates to an unmanned plane engine monitoring wire harness comprising a plug end and a plurality of branch cables, and the plug end comprises a large current plug connector part, a common signal plug connector part and a plurality of special signal plug connector parts. The plurality of special signal plug connector parts are respectively connected with a small power supply connector plug, an oil pump connector plug and an oil pressure sensor connecting plug through branch cables, and the large-current plug connecting part is connected with an ignition coil large-current connector plug through a branch cable; and the common signal plug connector part is connected with an ignition coil low-current connector plug and an ignition signal connector plug through branch cables. The device is simple in structure and integrates large and small current supply, starting, ignition, oil pressure conveying and detection.

The invention discloses a multi-ignition device which comprises a long-strip-shaped shell, a plurality of ignition coils arranged on the lower side face of the shell and a circuit board arranged in the shell, a connecting plug is fixed to the upper side face of the shell, and the connecting plug is connected with an external vehicle controller so as to receive multi-ignition signals. The circuit board is connected between the connecting plug and the ignition coils so as to drive the ignition coils to conduct multiple times of ignition after receiving multiple times of ignition signals. According to the multi-time ignition device, multi-time ignition signals of the external vehicle controller are received through the connecting plug, the ignition coil is driven through the circuit board to achieve multi-time ignition, the ignition efficiency and stability are improved, and the multi-time ignition device meets the complex working condition requirements of a vehicle engine.

To provide a device for suppressing a stepping error accident, which is easily attached to a vehicle.SOLUTION: The erroneous accident-suppressing device 1 is provided with a speaker 4 for converting a pulse generated at a positive electrode 13a of an on-vehicle battery 13 connected to an ignition coil 12 in the vehicle 10 into a voice.SELECTED DRAWING: Figure 1

An ignition coil includes a joint part that is formed of a tubular elastic body. The join part has a distal end mounted to an ignition plug arranged in a plug hole having a bend, and a proximal end mounted to a coil main body part arranged at a proximal-side entrance part of the plug hole which has a greater inner diameter than the bend. On an outer circumferential surface of a main tubular portion opposed to the bend, there are formed first ribs each extending along an axis of the joint part. On an outer circumferential surface of a proximal-side tubular portion, there are formed second ribs each extending along the axis of the joint part. When viewed along the axis of the joint part, a maximum value of a first rib diameter and a maximum value of a second rib diameter satisfy the relationship of d2 > d1.

1. Name of the product in this design: Packaging box (ignition coil packaging box). 2. Application of this design: This design is intended for use in packaging boxes. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key features: a top view.

The invention discloses an aviation piston engine redundancy ignition system with an electromagnetic shielding function and an ignition method, and particularly relates to the field of engines. Comprising a first control module and a second control module, the two control modules are connected with two ignition coils through high-voltage damping wires respectively, and each ignition coil is connected with a spark plug mechanism through a high-voltage damping wire; the two spark plug mechanisms are arranged on an air cylinder of the engine; a shielding layer is coated outside the high-voltage damping wire; and the spark plug mechanisms are respectively and correspondingly sleeved with shielding shells. Based on the system, redundancy ignition control is adopted, two control modules are used, each control module can control two sets of independent ignition systems at the same time, release electric energy to two ignition coils at the same time, conduct ignition control, and can effectively restrain electromagnetic interference.

The invention discloses an engine ignition control method and a related device, and relates to the technical field of engine control. The engine ignition control method comprises the steps that the actual water content of methanol fuel of a target engine is obtained; adjusting the ignition energy of an ignition coil according to the actual water content so as to perform ignition control on the target engine; wherein the ignition energy of the ignition coil is in positive correlation with the actual water content. The water content of the methanol fuel of the engine can be measured in real time, then the ignition energy of the ignition coil is adjusted according to the water content, the higher the water content of the methanol fuel is, the larger the corresponding ignition energy of the ignition coil is, and therefore the relatively rarefied methanol fuel can be successfully ignited; therefore, stability of combustion in an engine cylinder is guaranteed, and engine power is improved.

To suppress waste of electric power by making energizing time to an ignition coil appropriate.SOLUTION: A reference energization time is determined based on a voltage of a power supply and a rotation speed. On the basis of a condition related to the combustion state of the internal combustion engine, it is determined whether the combustion state of the internal combustion engine is in a relatively stable first operation state or in a relatively unstable second operation state. To judge whether an actual combustion state is good or bad by detecting the actual combustion state of an internal combustion engine. When it is determined that the combustion state is good in the first operation state (time t1), the energization time is largely reduced and corrected from the reference energization time to a predetermined level, and thereafter, when it is determined that the actual combustion state is bad, the energization time is gradually corrected to be longer by a minute amount (time t2, t3). In the second operation state, when it is determined that the combustion state is good, the energization time is corrected to be gradually shortened by a minute amount from the reference energization time.SELECTED DRAWING: Figure 3

The utility model provides a kind of ignition device, gas engine and production equipment, it is related to engine technical field, the ignition device includes primary coil, secondary coil, first magnetic element, second magnetic element, voltage monitoring coil and voltage indication module, wherein: primary coil and secondary coil are coupled by first magnetic element, and the number of turns of primary coil is less than the number of turns of secondary coil;Secondary coil and voltage monitoring coil are coupled by second magnetic element, and the number of turns of voltage monitoring coil is less than the number of turns of secondary coil;Voltage indication module is connected with voltage monitoring coil, voltage indication module is used to receive the first output voltage of voltage monitoring coil, and the size of the second output voltage of secondary coil is indicated according to first output voltage.The utility model can directly monitor the actual output voltage of ignition coil, improve voltage fluctuation monitoring precision and reliability under engine dynamic condition, reduce fault false alarm rate.

To prevent the occurrence of backfire and preignition of an internal combustion engine due to unintended spark discharge of an ignition plug without generating positive voltage when charging an ignition coil.SOLUTION: The ignition device includes the ignition coil that generates a high voltage in the secondary coil 53 by interrupting the current of the primary coil 52, the igniter that conducts and interrupts the current flowing through the primary coil 52, the spark plug that is connected to the secondary coil 53 and generates the spark discharge in the combustion chamber, and the control unit 2 that sends the ignition signal of the main discharge for igniting the air-fuel mixture in the combustion chamber and the ignition signal of the sub-discharge to the igniter 54 when the residual energy amount in the ignition system from the ignition coil to the spark plug after the main discharge is larger than the predetermined threshold value.SELECTED DRAWING: Figure 3

The invention discloses a one-driving-one ignition device suitable for a low-altitude aircraft double-rotor engine and a protection method, and belongs to the technical field of low-altitude aircraft power systems. The spark plugs are correspondingly installed in combustion chambers of the first rotor and the second rotor respectively, and the main ignition coils and the standby ignition coils are electrically connected with the corresponding spark plugs in a one-to-one mode respectively and electrically connected with an electronic control unit of the integrated fault diagnosis and standby starting module in a two-way mode. During working, the main coil drives ignition to guarantee operation, the electronic control unit collects parameters such as current and voltage of the primary coil in real time to diagnose faults, and after the faults occur, the corresponding standby coil is started for seamless switching until the aircraft lands. Through redundancy design and intelligent control, the defect that an existing ignition system has no standby guarantee is overcome, flight safety and power stability are improved, adaptability is high, and landing is easy.

This utility model discloses a novel grounding structure for an ignition coil, comprising an upper housing and a lower housing. A control board is disposed within the upper housing, and an iron core, a primary frame, a secondary frame, and a magnetic sleeve are disposed within the lower housing. The iron core, primary frame, secondary frame, and magnetic sleeve are sequentially and parallel to each other. The iron core is inserted into the inner core of the secondary frame, and the secondary frame is inserted into the primary frame. A magnetic sleeve is disposed outside the primary frame. The control board comprises an ignition module, a positive high-voltage connector, a low-voltage connector, and a grounding pin. The grounding pin is vertically disposed on the control board. The secondary frame has a socket, and the grounding pin is inserted from top to bottom into the socket and fixedly engaged with the secondary frame.

This utility model discloses a core structure for a high-energy ignition coil used in automobiles, including a core structure installed inside the ignition coil housing. The core structure comprises a magnetic sheet, a primary coil, a secondary coil, and a toroidal core. The magnetic sheet is embedded in the primary coil, which is interference-fitted into the secondary coil. The toroidal core simultaneously surrounds both the primary and secondary coils and is tightly fitted to the magnetic sheet. The end of the primary core furthest from the magnetic sheet is tightly fitted against the toroidal core. The closed magnetic circuit structure of the toroidal core concentrates the magnetic field almost entirely within the core, resulting in minimal magnetic leakage, uniform magnetic field distribution, low magnetic reluctance, and high magnetic flux density. This leads to high energy conversion efficiency, minimal energy loss, and the efficient energy conversion capability enables the ignition coil to generate higher secondary voltage and stronger spark energy. It is suitable for lean-burn and high-performance engines, ensuring reliable ignition and better fuel economy.

The utility model relates to the technical field of motor vehicle accessories, and specifically discloses a waterproof and dustproof protection type ignition coil, which comprises an ignition coil body, a protective cover is installed on the outer ring surface of the ignition coil body, a lower end of the protective cover is provided with a matching cover, and a sealing cover is hingedly connected to the upper end of the protective cover. In the utility model, the casing, the matching cover and the protective cover form a relatively sealed space, and the ignition coil body is located in the space, which effectively plays a waterproof and dustproof effect on the sealing element of the ignition coil body, thereby avoiding damage to the sealing element of the ignition coil body caused by external water and dust. In addition, the upper side of the protective cover is provided with a sealing cover, so that the upper end of the ignition coil body can be sealed and protected by the sealing cover, thereby avoiding damage to the upper end device and bolts of the ignition coil body caused by external dust and water, and further improving the service life and stability of the ignition coil when used in harsh environments.

The invention discloses a multi-time ignition module capable of adjusting the ignition energy level and a multi-time ignition control method. The multi-time ignition module comprises a power supply module, an ECU input signal processing module, a primary current sampling module, a secondary voltage sampling module, an MCU processing module and an ignition IGBT. According to the multi-time ignition control method, in one ignition control period, after an ignition control signal sent by an ECU is received, whether multi-time ignition is started or not is judged firstly, if not, only single-time ignition is executed, and if yes, whether energy-level-free control multi-time ignition or energy-level-adjustable multi-time ignition is executed continues to be judged. In the energy-level-adjustable multi-time ignition mode, the control signals of the corresponding levels are output to the ignition IGBT according to the different stages of the T2 pulse width parameter so as to control the primary side current of the ignition coil, and then the ignition coil can conduct different-energy-level control during multi-time ignition, so that the fuel oil combustion rate is increased, tail gas emission is reduced, the engine power is improved, and the energy-level-adjustable multi-time ignition mode is achieved. The service life of the ignition coil is prolonged.

The utility model belongs to the technical field of ignition coil machining, and particularly relates to a coil cutting device which comprises a base. Supporting frames are fixedly installed on the upper portions of the two ends of the base correspondingly, limiting rods are fixedly installed in the supporting frames correspondingly, belt conveyors are slidably installed between the two ends of the limiting rods correspondingly, sliding tables are fixedly installed on the outer sides of the centers of the belt conveyors correspondingly, sliding bases are slidably installed on the upper portions of the sliding tables correspondingly, and rotating discs are rotatably installed in the sliding bases. Sliding holes are formed in the two sides of the opposite faces of the rotating discs, arc-shaped clamping plates are slidably mounted in the sliding holes, stand columns are fixedly mounted at the two ends of the center of the upper portion of the base, sleeves are slidably mounted on the stand columns, a sliding groove is fixedly formed between the tops of the sleeves, and positioning clamping blocks are slidably mounted in the two ends of the sliding groove; coil is conveyed through the belt conveyor, the sliding base on the sliding table drives the rotating disc and the arc-shaped clamping plate to rotate and clamp the coil, the sliding groove is matched with the positioning clamping block to achieve stable positioning of the coil, and accurate cutting is facilitated.

The utility model relates to the technical field of ignition coil, specifically relates to high -efficient energy -saving type ignition coil, including the shell, the inside of shell is provided with coil assembly, including the core and the framework that sets up in the core in coil assembly, the inside of core is the 'Ri' shape of horizontal placement, and one end of core is fixedly connected with the contact piece, and the front end of framework is inserted in the inside of core, due to the structure form after combination, the magnetic line of force of two C core sticking place is easy to scatter to both sides, reduces to cause unnecessary loss, the device is more with prior art structure, and the core volume is smaller, and the core of C type can cross arrangement when stamping, save material more. It is suitable for batch production assembly, and product structure is unified standard, and the capacitor in the coil can produce resonance, improve ignition intensity, start fast, save fuel, reduce pollution, the product structure is simple, and the universality is strong, and it is convenient to install.

The application discloses a collector driving signal power-on delay protection circuit, which is connected between a control signal input end of an ignition driving chip and a power supply and comprises a delay module, which is used for setting a delay time and delaying output of a control signal according to the preset delay time; and a switch control module, which is used for controlling opening or closing of the control signal output to the ignition driving chip; and a delay protection method applied to the collector driving signal power-on delay protection circuit, which comprises the following steps: S1, at a power-on moment of an ignition module, the delay module delays the control signal output to the ignition driving chip according to a preset delay time, and the switch control module controls closing of the control signal output to the ignition driving chip; S2, during the delay action of the delay module, waiting for the ignition driving chip to reach a stable state; and S3, after the ignition driving chip is stably operated, the delay module stops working, and the switch control module controls opening of the control signal output to the ignition driving chip. The application delays the control signal input to the ignition driving chip, avoids that the ignition module makes a power tube in a long-time conduction state at a power-on moment, reduces transient heat generation of the power tube, improves the reliability of the ignition module, prolongs the service life of the ignition module, reduces the failure rate of an ignition coil, ensures effective and stable ignition of the ignition coil, and thus guarantees the automobile power stability.

The invention discloses a double-end ignition coil cylinder judgment detection feedback circuit. A power supply module is used for processing an input power supply and providing working voltage and reference voltage for the circuit; the EST signal processing module is used for integrating and processing the two paths of EST ignition control signals and then generating a first trigger control signal and a second trigger control signal; the ignition induction signal processing module latches the first logic signal under the control of the first trigger control signal to obtain a first state signal, and generates a second state signal according to the EST ignition control signal; and the signal feedback module is used for performing combined processing on the first state signal and the second state signal under the control of the second trigger control signal and outputting a feedback signal to the ECU for cylinder judgment detection and / or ignition state detection. According to the invention, cylinder judgment detection and / or ignition state detection are / is realized, the detection reliability is improved, the engine operation is optimized, and the failure risk and maintenance cost are reduced.

The utility model belongs to the technical field of riveting of ignition coils, and particularly relates to an ignition coil riveting device which comprises a shell. A material taking mechanism is arranged at the bottom end of the inner side of the shell, a riveting mechanism is arranged on the top side of the shell, an adjusting mechanism is arranged at the top end of the inner side of the shell, the material taking mechanism comprises a base, a stamping groove is formed in the center of the top side of the base, a round rod is fixed to the bottom end of a push plate, and a first spring is fixedly connected between a limiting plate and the base. A lead screw is rotatably installed at the other end of the inner side of the supporting plate, a moving table is slidably installed on a sliding rod through a connecting base in a matched mode, a servo motor is fixed to one end of the side face of the supporting plate, after machining is completed, a first spring pushes a push plate to ascend, a part is pushed out of a stamping groove, and at the moment, the servo motor is controlled to drive the moving table to move along the sliding rod; and the parts on the surface of the base are pushed out and output from one end of the base, so that the function of automatically outputting the parts is achieved, and the problem that an existing riveting press is low in machining efficiency is solved.

This utility model relates to the field of ignition coils, and more particularly to a high-reliability ignition coil, comprising a plug segment, an ignition segment at the front end of the plug segment, a dustproof component movably connected to the front end of the ignition segment for dust protection of the ignition segment, a high-voltage connection segment fixedly connected to the lower end of the plug segment, and a mounting assembly below the plug segment. A plug-in component is fixedly sleeved on the outside of the high-voltage connection segment for mounting the ignition coil. The mounting assembly includes a mounting base, an mounting groove inside the mounting base, a positioning groove on one side of the mounting groove, the positioning grooves being arranged in a circular array, an annular groove inside the mounting base, and a movable groove inside the mounting base, the movable grooves being arranged in a circular array, with an elastic insert inside the movable groove. This utility model, through a structure that allows for easy adjustment of the ignition coil mounting angle, enables flexible adjustment of its angle, while utilizing a dustproof plate to protect the ignition port from dust, extending its overall service life.

The ignition coil of the unmanned aerial vehicle aviation range extender comprises a shell, an iron core, a primary coil, a secondary coil and a plug, the iron core, the primary coil, the secondary coil and the plug are installed in the shell, and the periphery of the iron core is coated with a PBT plastic layer; the primary coil is wound outside the PBT plastic layer; and the secondary coil is wound outside the primary coil through the secondary framework. According to the invention, the PBT material shell and the composite structure coated by the iron core and the PBT plastic layer are adopted, no extra skeleton is arranged between the primary coil and the iron core, the structure is simplified, the weight is reduced, the overall weight is reduced by more than 15%, and meanwhile, the PBT plastic layer improves the structural redundancy and prevents the iron core from being damaged due to collision.

The utility model provides a high-temperature durability test device for an ignition coil, which relates to the technical field of automobile parts and comprises an insulating upper mounting plate, a high-temperature-resistant component and a high-temperature-resistant lower mounting plate, the high-temperature-resistant assembly is composed of a mounting column, a metal sleeve, a supporting rod, an upper discharge needle, a lower discharge needle mounting plate and a lower discharge needle, the outer surface of the metal sleeve is sleeved with the insulating upper mounting plate, and the mounting column is arranged at the top of the insulating upper mounting plate. According to the high-temperature durability test device for the ignition coil, through the arrangement of the high-temperature-resistant component, when the high-temperature-resistant component is used, the mounting column and the metal sleeve are designed on the test device, so that the mounting position of the ignition coil is fixed by the mounting column in the high-temperature durability test process of the ignition coil assembly; the metal sleeve enables the high-pressure connecting pipe on the ignition coil assembly to be closer to the actual working environment in the whole test process, and the accuracy of the test result is higher.

The utility model discloses an ignition coil winding lead assembly, and belongs to the technical field of coil winding equipment. By arranging the monitoring assembly and the adjusting assembly, when the tension is too large or too small, the wire drives the rotating monitoring wheel to move up and down, the swing arm drives the angle sensor to rotate, the tension of the wire is monitored in real time, the adjusting motor is matched to drive the adjusting rolling shaft to rotate, and the friction force to the wire is increased or reduced; therefore, the tension of the wire is adjusted in real time in the winding process, and winding of a coil is prevented from being affected by too large or too small tension of the wire.

The invention provides a natural gas vehicle low-temperature starting temperature threshold calibration method and system. The method comprises the steps that a gas component-temperature-physical property parameter mapping database is constructed; carrying out gradient adjustment on the ignition coil voltage and the ignition advance angle of each cylinder group of the engine so as to determine the optimal ignition parameter interval of each cylinder group at different low temperatures; the starting process of the target vehicle is divided into an idling starting stage and a low-speed warming-up stage, and the critical starting temperatures of different stages are iteratively solved through particle swarm optimization by combining the optimal ignition parameter interval and taking the starting stability and the gas consumption rate of each stage as constraint conditions, so that an initial temperature threshold value is obtained; and constructing a threshold value correction function based on the time sequence data, and synchronously correcting the initial temperature threshold value through the threshold value correction function so as to calibrate a target low-temperature starting temperature threshold value corresponding to the target vehicle. According to the invention, the starting temperature can be objectively and accurately calibrated, and the efficiency is improved.

The invention discloses a welding path priority method and welding equipment for an automobile electronic ignition coil, and the welding method comprises the steps: obtaining point cloud data through preset track global scanning, generating a digital three-dimensional model consistent with a welding driving motion coordinate system through Gaussian filtering denoising, iterative nearest point registration, B-spline surface fitting and other strategies, and obtaining a welding driving motion coordinate system; the problem of coordinate deviation of traditional path planning is solved. A contour recognition strategy is combined with region growth, feature extraction and template comparison, and a least square method is used for fitting a center line to serve as a reference track; a node setting strategy is adopted, forced and uniform nodes are scientifically arranged, and accurate positioning of a welding head is guaranteed. A double correction mechanism of molten pool monitoring and node feedback is innovatively adopted, a thermal imager collects images and extracts molten pool parameters after preprocessing, a real-time correction instruction is generated in combination with three-level judgment, a lower node adjustment instruction is generated through image processing after node welding, closed-loop control is achieved, welding defects are reduced, and the percent of pass is increased. Corollary equipment adopts an integrated disc design and is matched with a rotary bearing mechanism to realize batch positioning and conveying, a multi-degree-of-freedom mechanical arm performs automatic welding according to a planned path, parameters are adjusted according to welding seam characteristics, and both precision and production efficiency are considered.

The object of the present invention is to provide a coil cooling device and an internal combustion engine system capable of cooling an ignition coil. [Solution] The coil cooling device according to the present invention comprises an intake path member that forms an intake path for supplying air to an internal combustion engine, an ignition coil electrically connected to a spark plug, and a case that houses the ignition coil. The coil cooling device has the structure of (A) or (B). (A) The case includes a heat sink, and the case is attached to the intake path member such that the heat sink faces the intake path through an opening provided in the intake path member. (B) The intake path member includes a heat sink facing the intake path, and the case is attached to the outer circumferential surface of the intake path member so as to be in contact with the heat sink.