266 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.

An ignition coil of a non-equal-thickness iron core structure comprises a shell, a low-voltage head is arranged on the upper portion of the shell, a high-voltage sheath assembly is installed on the lower portion of the shell, a coil assembly is transversely arranged in the shell and filled with epoxy resin, the low-voltage head is located at one end of the coil assembly, and an ignition module is arranged in the shell and close to the low-voltage head. The coil assembly comprises a T-shaped iron core, a primary framework arranged outside the T-shaped iron core in a sleeving mode, a secondary framework arranged outside the primary framework in a sleeving mode, a first C-shaped iron core and a second C-shaped iron core, the first C-shaped iron core and the second C-shaped iron core are arranged outside the secondary framework in a surrounding mode, and the first C-shaped iron core and the second C-shaped iron core are oppositely combined together to form an O shape and are connected to the end of the T-shaped iron core. The thickness of the first C-shaped iron core and the thickness of the second C-shaped iron core are larger than that of the T-shaped iron core. As the C-shaped iron core assembly and the T-shaped iron core are of a non-equal-thickness structure, the T-shaped iron core is thin, so that the space of primary and secondary framework structures on the periphery of the iron core is saved, and the requirement for the electrical performance function of the coil is met.

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 discloses an intelligent penholder type ignition coil which comprises a penholder type shell (a top inner cavity is provided with a circuit board with a chip, and a penholder part comprises an iron core, a framework, a coil winding and a high-pressure connector), and the outer wall of the shell is provided with an annular limiting sleeve for controlling the distance between the chip and a cylinder body; the outer wall of the penholder part is sleeved with a grounded stainless steel sleeve (shielding signal interference), a top inner cavity is provided with a heat insulation plate (a circuit board is mounted on the heat insulation plate, and a heat insulation pad is arranged therebetween); and the steel sleeve is provided with a matched limiting opening (positioning after insertion, and heat dissipation holes are formed in the outer wall). The environment temperature of the chip is reduced through the heat insulation structure, the steel sleeve shields signal interference and assists in heat dissipation, the problems of chip high-temperature damage, signal interference and insufficient heat insulation in the prior art are solved, and the reliability of an ignition system is improved.

The utility model relates to the technical field of ignition coils, in particular to a high-conversion ignition coil for a motorcycle, which comprises a shell, a mounting ring arranged on the upper surface of the shell, positive and negative pole connectors arranged on two sides of the middle of the upper surface of the mounting ring, an iron core arranged in the middle of the inner bottom surface of the shell, and a plurality of expansion discs uniformly sleeved on the outer surface of the upper end of the iron core. The expansion discs are all of an iron structure and are integrally manufactured with the iron core, the lower portion of the outer surface of the iron core is sleeved with a secondary coil, the outer surface of the secondary coil is sleeved with a primary coil, the two ends of the primary coil are each provided with a wire, and the other ends of the wires are connected with the positive connector and the negative connector respectively. A plurality of resistors are installed on the outer surface of a wire connected with the input end of the primary coil in parallel. The device is reasonable in design, normal output of coil energy can be guaranteed while coil energy loss is reduced, loss of output and converted coil energy is reduced, and then the ignition performance of the ignition coil is improved.

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 an ignition coil in which an increase in size is suppressed while excellent ignitability is realized.SOLUTION: In an ignition coil 2 according to an embodiment, a first outer peripheral iron core 36o of a first coil set 10 and a second outer peripheral iron core 50o of a second coil set 20 have a common portion 58. A direction of a magnetic flux generated in the common portion 58 when a current flows through a first primary coil 32 of the first coil set 10 is opposite to a direction of the magnetic flux generated in the common portion 58 when the current flows through a second primary coil 46 of the second coil set 20 in a second direction. The direction of an induced current generated in a first secondary coil 34 when the current of the first primary coil 32 is cut off at an output port 28 is the same as the direction of the induced current generated in a second secondary coil 48 when the current of the second primary coil 46 is cut off at the output port 28.SELECTED DRAWING: Figure 2

A misfire detection system (300) is disclosed, comprising an ignition system (303) including an ignition coil (107), an ion current measuring circuit (302) electrically connected to the ignition coil (107) for measuring an ion current generated by a spark plug (106), and a signal processor (401) for processing and conditioning the ion current measured by the ion current measuring circuit (302) to determine the occurrence of a misfire in the IC engine. The ignition coil (107) comprises a primary winding (101) and a secondary winding (103), wherein a first end (101B) of the primary winding (101) is electrically connected to a first end (103B) of the secondary winding (103). Misfire detection improves the reliability and durability of the IC 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

The present application relates to a motorcycle AC motor, AC motor stator assembly and its preparation method, the AC motor stator assembly includes the stator main body, the stator main body outer wall is provided with a plurality of winding teeth, and winding slot is arranged between the adjacent two winding teeth;The winding tooth includes a charging ignition coil winding tooth and a plurality of charging lighting coil winding tooth;The top of each winding tooth is provided with an arc-shaped pole shoe, and the two side edges of the pole shoe are provided with arc-shaped baffles;The outer wall of the stator main body, the outer wall of the winding tooth, the inner side wall of the pole shoe and the inner side wall of the baffle are all covered with an insulating layer, and the insulating layer is fixedly provided with a charging ignition coil lead-out head and a charging lighting coil clamping piece clamping groove.The present application only sets up a charging ignition coil winding tooth, and only needs to set up a charging ignition coil when manufacturing, so that the winding workload is reduced, and the production efficiency is improved.

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.

The present disclosure provides a multifunctional switch base assembly and a control method thereof, solving problems such as safety of switching between fuel and gas. The multifunctional switch base assembly comprises a switch base, where a switch knob as well as a gas switch assembly and an oil line switch assembly which are controlled by the switch knob to turn on or off are mounted on the switch base, the gas switch assembly and the oil line switch assembly are connected to a control module, and the control module is connected to a storage battery and an ignition coil. The present disclosure has the advantages of high safety, stable switching and the like.

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 utility model provides a clamping jig for winding an automobile ignition coil, which belongs to the field of automobile ignition coil production devices and comprises a support frame, a support roller is rotatably connected to the side wall of the support frame, a group of bolts penetrate through the support frame in a threaded manner, a rotating motor is fixedly mounted on the side wall of the support frame, and the rotating motor is fixedly mounted on the side wall of the support frame. The rotating end of the rotating motor rotationally penetrates through the supporting frame and is fixedly connected to the supporting roller. A fixing assembly; the fixing assembly comprises a working cavity formed in the supporting roller. The inner wall of the ignition coil is automatically extruded, clamped and fixed through the clamping plates, fixing is more stable, a user can conveniently fix the ignition coil, the situation that a fixing device affects winding work can be avoided, operation is more convenient, winding work is convenient, and practicability is high. Meanwhile, the arranged buffer assembly can prevent the impact force from being too large when the clamping plates make contact with the inner wall of the ignition coil, impact force transmission is reduced, and the inner wall of the ignition coil is prevented from being damaged.

The invention relates to a method for injecting a cleaning product into an engine combustion chamber, each cleaning phase of which (A; B) successively comprises engine preheating (A1; B1), disconnection of the battery and removal of the ignition circuit (A2, A3, A4; B2, B3, B4), then a first injection of the product (A7; B7) for a duration of 5 seconds per cylinder, a first cranking of the starter (A9; B9) for a duration of 5 seconds, a second injection of the product (A12; B12) for a duration of 5 seconds per cylinder, a rest period (A13; B13) of 30 minutes, a second cranking of the starter (A15; B15) for a duration of 10 seconds, reinstallation (A18, A19; B18, B19) of the spark plugs and ignition coils, and a phase of engine running at a steady speed (A21; B21) for a duration of 30 minutes, followed by several engine accelerations (A22; B22), before a final phase (C) of draining and checking. Figure 1

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 application discloses a gas appliance and a control method thereof. The gas appliance comprises an ignition coil and a thermocouple; a combination valve is arranged on a gas pipeline of the gas appliance and used for opening or cutting off the gas pipeline between a gas source and the gas appliance, and comprises a user end and a gas source end; the combination valve comprises a solenoid valve and a gas safety valve, the solenoid valve is arranged between the gas safety valve and the gas source end, and the solenoid valve is electrically connected with the ignition coil and the thermocouple. The problem that the sensitivity of the self-closing valve of the existing gas appliance is low and micro leakage cannot be detected is solved.

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.

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

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.