CN213844997U

CN213844997U - Ignition coil

Info

Publication number: CN213844997U
Application number: CN202022984170.1U
Authority: CN
Inventors: 陈步斌
Original assignee: Zhejiang Kaishuo Automobile Electronics Co ltd
Current assignee: Zhejiang Kaishuo Automobile Electronics Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-07-30
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses an ignition coil, which comprises a shell, wherein one side of the shell is provided with a low-voltage connecting end, the middle part of the bottom of the shell is provided with a connector, and the bottom of the connector is provided with a high-voltage connecting end; the low-voltage connecting end is internally provided with a plurality of inserting ports for being connected with an on-vehicle low-voltage power supply, the top of the outer surface of the low-voltage connecting end is provided with two first guide posts, and the middle parts of the two first guide posts are provided with clamping blocks. The utility model discloses following beneficial effect has: the ignition coil is stable in installation and connection, and the possibility of loosening the ignition coil is reduced.

Description

Ignition coil

Technical Field

The utility model relates to an ignition coil.

Background

A typical ignition coil has two sets of coils, a primary coil and a secondary coil, inside it. The primary coil is wound by a thicker enameled wire, and is usually wound by about 200-; the secondary coil is wound with thinner enameled wires, usually around 15000-. One end of the primary coil is connected with a low-voltage power supply (+) on the vehicle, and the other end is connected with a switching device (a breaker). One end of the secondary coil is connected with the primary coil, and the other end of the secondary coil is connected with the output end of the high-voltage wire to output high-voltage electricity.

The ignition coil can change low voltage on the vehicle into high voltage because of the same form as common transformer, the primary coil has larger turn ratio than the secondary coil. However, the operation mode of the ignition coil is different from that of a common transformer, the working frequency of the common transformer is fixed at 50Hz, which is also called a power frequency transformer, and the ignition coil works in a pulse mode, which can be regarded as a pulse transformer, and the ignition coil repeatedly stores and releases energy at different frequencies according to different rotating speeds of an engine.

When the primary coil is connected with a power supply, a strong magnetic field is generated around along with the increase of current, and the iron core stores magnetic field energy; when the switching device opens the primary coil circuit, the magnetic field of the primary coil decays rapidly and the secondary coil induces a high voltage. The faster the magnetic field disappearance speed of the primary coil is, the larger the current at the moment of current disconnection is, and the larger the turn ratio of the two coils is, the higher the voltage induced by the secondary coil is.

The ignition coil is divided into an open magnetic type and a closed magnetic type according to a magnetic circuit. The traditional ignition coil is of an open magnetic type, an iron core of the traditional ignition coil is formed by laminating silicon steel sheets of about 0.3 mm, and a secondary coil and a primary coil are wound on the iron core. The closed magnetic type adopts an iron core similar to the shape III to wind a primary coil, and a secondary coil is wound outside the primary coil, and magnetic lines of force form a closed magnetic circuit by the iron core. The closed magnetic ignition coil has the advantages of less magnetic leakage, less energy loss and small volume, so that the electronic ignition system is generally adopted.

The mortgage link of current ignition coil is owing to direct and low voltage power supply pegs graft on the car, and the car produces the vibration easily at the operation in-process, only leans on the grafting mode to fix, can take place to loosen after long-time use, consequently, the car is when carrying out maintenance, and to ignition coil's inspection, most concentrate on whether inseparable and the inside coil condition of ageing corrosion appears in ignition coil's installation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an ignition coil, this kind of ignition coil erection joint is firm, reduces the possibility that ignition coil pine takes off.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an ignition coil comprises a shell, wherein a low-voltage connecting end is arranged on one side of the shell, a connector is arranged in the middle of the bottom of the shell, and a high-voltage connecting end is arranged at the bottom of the connector; the low-voltage connecting end is internally provided with a plurality of inserting ports for being connected with an on-vehicle low-voltage power supply, the top of the outer surface of the low-voltage connecting end is provided with two first guide posts, and the middle parts of the two first guide posts are provided with clamping blocks.

The utility model discloses further set up to: the length of the first guide column is 0.5 cm.

The utility model discloses further set up to: the length of the clamping block is 0.2 cm.

The utility model discloses further set up to: a gap is formed between the clamping block and the first guide column.

The utility model discloses further set up to: the void length is 0.1 cm.

The utility model discloses further set up to: and two sides of the low-voltage connecting end are provided with guide columns II with the length of 1 cm.

The utility model discloses further set up to: the shell is provided with a clamping block at the bottom of the low-voltage connecting end, and one side of the clamping block is provided with a clamping groove.

The utility model discloses further set up to: a deep groove is formed in one side of the clamping groove.

The utility model discloses further set up to: the connector is characterized in that a rubber sleeve is sleeved outside one end, close to the shell, of the connector, a plurality of triangular fixing columns are arranged on the rubber sleeve, and the length of each inclined plane of each fixing column is 1 cm.

To sum up, the utility model discloses following beneficial effect has: the ignition coil is stable in installation and connection, and the possibility of loosening the ignition coil is reduced.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic structural view in another direction of the embodiment;

fig. 3 is a top view of the embodiment.

Reference numerals: 1. a housing; 2. a low voltage connection terminal; 3. a connector; 4. a high voltage connection end; 5. an interface; 6. a first guide post; 7. a clamping block; 8. a void; 9. a second guide post; 10. a clamping block; 11. a card slot; 12. deep grooves; 13. a rubber sleeve; 14. fixing a column; 15. a round table.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

As shown in fig. 1 to 3, an ignition coil includes a case 1. The shell comprises a shell body 1 and is characterized in that a low-voltage connecting end 2 is arranged on one side of the shell body 1, a connector 3 is arranged in the middle of the bottom of the shell body 1, and a high-voltage connecting end 4 is arranged at the bottom of the connector 3.

A plurality of interfaces 5 are arranged in the low-voltage connecting end 2, and the interfaces 5 are used for being connected with a low-voltage power supply on the vehicle. Two guide posts I6 are arranged at the top of the outer surface of the low-voltage connecting end 2, and the length of each guide post I6 is 0.5 cm. The middle parts of the two guide posts I6 are provided with clamping blocks 7. A gap 8 is arranged between the clamping block 7 and the first guide column 6, and the length of the gap 8 is 0.1 cm. Wherein, the length of the clamping block 7 is 0.2 cm.

The first guide column 6 is used for guiding the low-voltage power supply to be connected in a guiding mode, and the clamping block 7 is used for being clamped with the low-voltage power supply. When the clamping is finished, the connecting part of the low-voltage power supply is clamped into the gap 8 between the guide column and the clamping block 7, and the gap 8 is only 0.1cm in length and is clamped in an interference fit manner. Meanwhile, the clamping blocks 7 have certain rubber elasticity, so that when the clamping blocks 7 are connected in an interference fit mode, the clamping blocks 7 have reverse elasticity to enable the connection stability to be better.

In conclusion, the gap 8 of 0.1cm achieves the purpose of interference fit clamping, and the connection stability is improved. The clamping block 7 with the length of 0.2cm is small in size, complete clamping is facilitated, and two guide columns 6 with the length of 0.5cm are arranged, so that a user can conveniently align the clamping.

Optimally, two sides of the low-voltage connecting end 2 are provided with a second guide column 9 with the length of 1 cm. The length of the second guide column 9 is large, the guide effect is obvious, and preliminary guide installation is convenient to carry out.

The bottom of the low-voltage connecting end 2 of the shell 1 is provided with a clamping block 10, and one side of the clamping block 10 is provided with a clamping groove 11. The arrangement of the clamping groove 11 and the clamping block 10 enables the connection between the low-voltage connecting end 2 and a low-voltage power supply to be more stable. One side of the card slot 11 is provided with a deep slot 12. The setting of deep trouth 12 makes when connecting, carries out preliminary joint through draw-in groove 11 on the one hand, later, inserts deep trouth 12 with the coupling part that deep trouth 12 suited on the low voltage power supply for the stability of low voltage power supply and low voltage connection end 2 obtains abundant assurance.

Under the effect of the three parts for connecting stability, the connecting structure between the low-voltage power supply and the shell 1 belongs to a stable structure of multiple clamping, and the possibility that the low-voltage power supply and the shell 1 are loosened is reduced.

A rubber sleeve 13 is sleeved outside one end of the connector 3 close to the shell 1. The rubber sleeve 13 is provided with a plurality of triangular fixing posts 14. The length of the slope of each fixing post 14 is 1 cm. The fixing column 14 plays a role in guiding the high-voltage connecting end 4 to be connected and playing a role in clamping and fixing, the triangular fixing column 14 can gradually guide the high-voltage connecting end 4 to be connected, and finally clamping is stabilized under the deformation of rubber.

The connector 3 is provided with a round table 15 at the bottom of the rubber sleeve 13 in a surrounding mode, and the round table 15 is used for preventing the rubber sleeve 13 from loosening.

Claims

1. An ignition coil comprises a shell (1) and is characterized in that a low-voltage connecting end (2) is arranged on one side of the shell (1), a connector (3) is arranged in the middle of the bottom of the shell (1), and a high-voltage connecting end (4) is arranged at the bottom of the connector (3);

the automobile low-voltage power supply is characterized in that a plurality of inserting ports (5) are formed in the low-voltage connecting end (2) and used for being connected with an automobile upper low-voltage power supply, two guiding columns (6) are arranged at the top of the outer surface of the low-voltage connecting end (2), and a clamping block (7) is arranged in the middle of each guiding column (6).

2. The ignition coil of claim 1, wherein: the length of the first guide column (6) is 0.5 cm.

3. The ignition coil of claim 2, wherein: the length of the clamping block (7) is 0.2 cm.

4. The ignition coil of claim 1, wherein: a gap (8) is arranged between the clamping block (7) and the first guide column (6).

5. The ignition coil of claim 4, wherein: the length of the gap (8) is 0.1 cm.

6. The ignition coil of claim 1, wherein: and two sides of the low-voltage connecting end (2) are provided with a second guide column (9) with the length of 1 cm.

7. The ignition coil of claim 1, wherein: the shell (1) is provided with a clamping block (10) at the bottom of the low-voltage connecting end (2), and one side of the clamping block (10) is provided with a clamping groove (11).

8. The ignition coil of claim 7, wherein: and a deep groove (12) is formed in one side of the clamping groove (11).

9. The ignition coil of claim 1, wherein: one end, close to the shell (1), of the connector (3) is sleeved with a rubber sleeve (13), a plurality of triangular fixing columns (14) are arranged on the rubber sleeve (13), and the length of an inclined plane of each fixing column (14) is 1 cm.