CN216287948U - Ignition coil controlled by circuit board - Google Patents

Abstract

Circuit board control ignition coil belongs to ignition coil technical field. It provides a convenient operation, prevents to connect wrong, the circuit board control ignition coil of reduction volume for solve the problem that above-mentioned prior art exists. The wiring subassembly includes the ground connection lug that circuit board and one end and circuit board are connected, the ground connection wiring needle, secondary lug, two elementary lugs and three wires, two elementary lug other ends are installed on elementary skeleton, are connected with the first end both ends of elementary enameled wire, the both ends about secondary lug other end and high-pressure wiring needle are installed respectively at secondary skeleton, are connected with the first end both ends of secondary coil, the ground connection lug other end is connected with the magnetic conduction section of thick bamboo, the ground connection wiring needle other end and installation muffjoint. The utility model is provided with the circuit board, integrates the lead, is convenient to operate, can effectively prevent wrong connection and reduce the volume, and effectively reduces conduction radiation by arranging the noise reduction resistor and grounding the wiring pin.

Description

Ignition coil controlled by circuit board

Technical Field

The utility model belongs to the technical field of ignition coils, and particularly relates to a circuit board control ignition coil.

Background

In an engine ignition system, an ignition coil is an actuating component for providing ignition energy for igniting air and fuel mixture in an engine cylinder, and is a special pulse transformer based on the principle of electromagnetic induction, and can convert a low voltage of 10-12V into a voltage of 25000V or even higher.

The existing ignition coil has more wiring, and is easy to have wrong wiring, in addition, the wiring is more, a larger upper shell needs to be placed, the whole volume of the ignition coil is influenced, the conduction radiation is large, and the electric energy loss is more.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a circuit board control ignition coil which is convenient to operate, prevents misconnection and reduces the volume, and is used for solving the problems in the prior art.

The technical scheme adopted by the utility model is as follows: the circuit board control ignition coil comprises an iron core, a secondary framework, a primary framework, a shell, a magnetic conduction cylinder, wiring components and conductive components, wherein the secondary framework, the primary framework, the shell and the magnetic conduction cylinder are sequentially sleeved on the outer side of the iron core from inside to outside; the wiring subassembly includes ground connection lug, ground connection wiring needle, secondary lug, two elementary lugs and three wires that circuit board and one end and circuit board are connected, two elementary lug other ends are installed on elementary skeleton, are connected with first end both ends of elementary enameled wire, the both ends about secondary lug other end and high-pressure wiring needle are installed respectively at secondary skeleton, are connected with first end both ends of secondary enameled wire. The utility model discloses a plug, including three wires, ground connection lug, installation sleeve, three wire other ends, inserted sheet, ground connection lug other end and magnetic conduction section of thick bamboo, the ground connection lug other end is connected with the magnetic conduction section of thick bamboo, the ground connection pin other end and installation muffjoint, ground connection lug and installation sleeve all set up in the epitheca, the inserted sheet is connected to three wire other ends to pack into the plug with the inserted sheet.

The utility model has the beneficial effects that:

1. the utility model is provided with the circuit board, integrates the lead, is convenient to operate, and can effectively prevent wrong connection and reduce the volume.

2. The utility model effectively reduces the conduction radiation by arranging the noise reduction resistor and grounding the grounding connection pin.

3. The secondary framework of the utility model adopts a multi-groove structure separated by the winding grooves, so that the turns of the wires in each groove are more uniform, the excessive pressure difference generated on the wires is avoided, and the service life of the wires is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a circuit board structure;

FIG. 3 is a schematic diagram of a noise reduction resistor configuration;

FIG. 4 is a schematic representation of a secondary framework structure;

wherein: 1. a plug; 2. inserting sheets; 3. a wire; 4. inserting a rubber sleeve; 5. a primary lug; 6. a circuit board; 7. a first silica gel pad; 8. a first permanent magnet; 9. an epoxy resin; 10. a secondary lug; 11. a diode; 12. a grounding lug; 13. an upper shell; 14. installing a sleeve; 15. a grounding connection pin; 16. sealing the rubber sleeve; 17. an iron core; 18. a secondary framework; 19. secondary enameled wires; 20. a primary framework; 21. primary enameled wires; 22. a housing; 23. a magnetic conduction cylinder; 24. an O-shaped sealing ring; 25. a copper sleeve; 26. a conductive spring; 27. connecting a rubber sleeve; 28. a noise reduction resistor; 29. a second silica gel pad; 30. a permanent magnet II; 31. a winding slot; 32. a wire passing groove; 33. high-voltage wiring pin.

Detailed Description

For better understanding of the purpose, structure and function of the present invention, the present invention will be described in detail with reference to the accompanying drawings 1-4.

The circuit board control ignition coil comprises an iron core 17, a secondary framework 18, a primary framework 20, a shell 22, a magnetic conduction cylinder 23, wiring components and conductive components, wherein the secondary framework 18, the primary framework 20, the shell 22 and the magnetic conduction cylinder 23 are sequentially sleeved on the outer side of the iron core 17 from inside to outside; the wiring subassembly includes ground connection lug 12, ground connection wiring pin 15, secondary lug 10, two elementary lugs 5 and three wires 3 that circuit board 6 and one end are connected with circuit board 6, two elementary lug 5 other ends are installed on elementary skeleton 20, are connected with the first end both ends of elementary enameled wire 21, the second lug 10 other end and high-pressure wiring pin 33 are installed respectively in the upper and lower both ends of secondary skeleton 18, are connected with the first end both ends of secondary enameled wire 19. The other end of the grounding lug plate 12 is connected with the magnetic conduction cylinder 23, the other end of the grounding wiring pin 15 is connected with the installation sleeve 14, the grounding lug plate 12, the grounding wiring pin 15 and the installation sleeve 14 are all arranged in the upper shell 13, the other ends of the three wires 3 are connected with the insertion pieces 2, and the insertion pieces 2 are installed in the plug 1.

As shown in fig. 1 and 4, a plurality of winding grooves 31 are uniformly arranged on the outer circumferential surface of the secondary skeleton 18 along the axial direction thereof, each winding groove 31 is separated by an insulating groove wall for uniformly separating the wires, so that the number of turns of the wires between every two winding grooves 31 is more uniform, the voltage difference does not exceed the withstand voltage value of the wires, the service life of the wires is prolonged, and each insulating groove wall is provided with a wire passing groove 32 for facilitating the connection of the wires.

As shown in fig. 1 and 2, the conductive assembly includes a noise reduction resistor 28 and a conductive spring 26; the lower end of the secondary framework 18 is provided with a copper sleeve 25 and a noise reduction resistor 28, the upper end of the noise reduction resistor 28 is inserted into an annular convex part arranged on the secondary framework 18, the copper sleeve 25 is sleeved on the outer side of the lower end of the noise reduction resistor 28, the tail end of the magnetic conduction cylinder 23 is provided with a connection rubber sleeve 27, a conductive spring 26 is arranged in the connection rubber sleeve 27, and the upper end of the conductive spring 26 is arranged on the copper sleeve 25.

The circuit board 6 is provided with a mounting hole, and a diode 11 is mounted in the mounting hole.

The permanent magnet I8 and the permanent magnet II 30 are respectively arranged on the upper end face and the lower end face of the iron core 17, the silica gel pads I7 and the silica gel pads II 29 are respectively assembled on the outer sides of the permanent magnet I8 and the permanent magnet II 30, and then the silica gel pads I and II are installed in the secondary framework 18. The secondary enameled wire 19 is wound on the outer surface of the secondary framework 18, and the primary enameled wire 21 is wound on the outer surface of the primary framework 20. The upper ends of the iron core 17, the secondary framework 18, the primary framework 20, the shell 22 and the magnetic conduction cylinder 23 are all inserted into the upper shell 13, an O-shaped sealing ring 24 is arranged on the outer side of the lower end of the primary framework 20, and a sealing rubber sleeve 16 is assembled on the outer surface of the magnetic conduction cylinder 23.

A first component: the permanent magnet I8 and the permanent magnet II 30 are respectively placed on two end faces of the iron core 17, the silica gel pad I7 and the silica gel pad II 29 are respectively assembled on two ends of the iron core, then the iron core is arranged in the secondary framework 18, the lower end of the secondary framework 18 is provided with the copper sleeve 25 and the noise reduction resistor 28, the secondary enameled wire 19 is wound on the outer surface of the secondary framework, the iron core is arranged in the primary framework 20, and the primary enameled wire 21 is wound on the outer surface of the secondary enameled wire. Wherein, the primary framework 20 is provided with two primary lugs 5, and the secondary framework 18 is provided with a secondary lug 10 and a high-voltage wiring pin 33. The above components are put into the casing 22 and the magnetic conductive cylinder 23 is fitted outside. Noise reduction resistor 28 is used to reduce conducted radiation.

And a second component: the upper shell 13 is internally provided with a grounding lug plate 12, a grounding wiring pin 15 and a mounting sleeve 14, wherein two ends of the grounding lug plate 12 are respectively connected with the circuit board 6 and the magnetic conduction cylinder 23, and two ends of the grounding wiring pin 15 are respectively connected with the circuit board 6 and the mounting sleeve 14.

And (3) assembly III: the lead 3 contains red, yellow and black lines, one end of the lead is connected with the circuit board 6 and is provided with the plug rubber sleeve 4, the other end of the lead is connected with the three insertion pieces 2, and then the three insertion pieces are arranged in the plug 1.

The red wire is a signal wire, the yellow wire is a power wire, and the black wire is grounded.

The first component and the third component are respectively put into the second component, and then the circuit board 6 and the diode 11 are assembled and encapsulated with the epoxy resin 9 in the gap between the upper case 13 and the outer case 22. Finally, the outer surface of the magnetic conduction cylinder 23 is provided with a sealing rubber sleeve 16, and the tail end of the sealing rubber sleeve is provided with a conductive spring 26 and a connecting rubber sleeve 27.

The working principle is as follows: at the moment when the power supply energizes the primary enameled wire 21 through the wire 3, an induction electromagnetic field is generated in the primary enameled wire 21, and a reverse induction current is generated in the secondary enameled wire 19. At the moment of power failure, the magnetic field in the primary enameled wire 21 is rapidly attenuated, and the positive high-voltage electricity is induced in the secondary enameled wire 19 again. Due to the unidirectional conduction of the diode, the induced high-voltage power generated only when the power is cut off passes through the high-voltage connector pin 33, passes through the noise reduction resistor 28 and the conductive spring 26, and reaches the spark plug connected with the connector pin.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (7)

1. A circuit board control ignition coil comprises an iron core (17), a secondary framework (18), a primary framework (20), a shell (22), a magnetic conduction cylinder (23), wiring components and conductive components, wherein the secondary framework (18), the primary framework (20), the shell (22) and the magnetic conduction cylinder (23) are sequentially sleeved on the outer side of the iron core (17) from inside to outside; the method is characterized in that: the wiring assembly comprises a circuit board (6), a grounding wiring lug (12), a grounding wiring pin (15), a secondary wiring lug (10), two primary wiring lugs (5) and three wires (3), wherein one end of the grounding wiring lug (12) is connected with the circuit board (6), the other ends of the two primary wiring lugs (5) are installed on a primary framework (20) and are respectively connected with the first end and the last end of a primary enameled wire (21), the other ends of the secondary wiring lug (10) and a high-voltage wiring pin (33) are respectively installed at the upper end and the lower end of a secondary framework (18) and are connected with a secondary enameled wire (19), the other end of the grounding wiring lug (12) is connected with a magnetic conduction barrel (23), the other end of the grounding wiring pin (15) is connected with an installation sleeve (14), the grounding wiring lug (12), the grounding wiring pin (15) and the installation sleeve (14) are all arranged in an upper shell (13), and the other ends of the three wires (3) are connected with an insertion piece (2), and is arranged in the plug (1) together with the plug sheet (2).

2. The circuit board controlled ignition coil of claim 1, wherein: a plurality of winding grooves (31) are uniformly arranged on the outer circumferential surface of the secondary framework (18) along the axial direction of the secondary framework, each winding groove (31) is separated by an insulating groove wall, and each insulating groove wall is provided with a wire passing groove (32).

3. The circuit board controlled ignition coil of claim 2, wherein: the conductive assembly comprises a noise reduction resistor (28) and a conductive spring (26); the utility model discloses a magnetic conduction sleeve, including secondary skeleton (18), noise reduction resistance (28), copper sheathing (25) suit in the annular bellying that is equipped with on inserting secondary skeleton (18) on the noise reduction resistance (28), magnetic conduction section of thick bamboo (23) end is packed into and is connected gum cover (27), electrically conductive spring (26) are packed into in connecting gum cover (27), install on copper sheathing (25) electrically conductive spring (26) upper end.

4. The circuit board controlled ignition coil of claim 3, wherein: the circuit board (6) is provided with a mounting hole, and a diode (11) is mounted in the mounting hole.

5. The circuit board controlled ignition coil of claim 4, wherein: the permanent magnet I (8) and the permanent magnet II (30) are respectively arranged on the upper end face and the lower end face of the iron core (17), a silica gel pad I (7) and a silica gel pad II (29) are respectively assembled on the outer sides of the permanent magnet I (8) and the permanent magnet II (30), and then the silica gel pads are installed in the secondary framework (18).

6. The circuit board controlled ignition coil of claim 5, wherein: the outer surface of the secondary framework (18) is wound with a secondary enameled wire (19), and the outer surface of the primary framework (20) is wound with a primary enameled wire (21).

7. The circuit board controlled ignition coil of claim 6, wherein: the iron core (17), the secondary framework (18), the primary framework (20), the shell (22) and the upper end of the magnetic conduction cylinder (23) are all inserted into the upper shell (13), an O-shaped sealing ring (24) is installed on the outer side of the lower end of the primary framework (20), and a sealing rubber sleeve (16) is assembled on the outer surface of the magnetic conduction cylinder (23).

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