CN220585019U

CN220585019U - Combined transformer

Info

Publication number: CN220585019U
Application number: CN202321903169.9U
Authority: CN
Inventors: 王英军; 石为民; 王亚丽
Original assignee: Jiangsu Daci Nano Materials Co ltd
Current assignee: Jiangsu Daci Nano Materials Co ltd
Priority date: 2023-07-19
Filing date: 2023-07-19
Publication date: 2024-03-12
Anticipated expiration: 2033-07-19

Abstract

The utility model relates to the technical field of automobile electronics, in particular to a combined transformer, which comprises a shell, wherein a first coil and a second coil are arranged in the shell, a first U-shaped needle is inserted in the first coil, a second U-shaped needle is inserted in the second coil and the first coil, the other side of the first U-shaped needle is inserted in a slot hole on the shell, the other side of the second U-shaped needle is inserted in the slot hole on the shell, a needle column is arranged on one side of the second coil, and the needle column penetrates through the upper end part of the shell. The utility model avoids the problems of poor welding, melting of pouring sealant and the like caused by the adhesion of the glue surface and the PCB; bumps are added on the surface of the shell to isolate the shell from the PCB, so that the product can dissipate heat better.

Description

Combined transformer

Technical Field

The utility model relates to the technical field of automobile electronics, in particular to a combined transformer.

Background

With the continuous development of the automobile industry, the application of automobile electronics is also developed, and a current conversion device is mainly used as one of the automobile electronics to convert a large current passing ratio into a small current for protecting measurement.

At present, the existing product has the structure that the directions of the split type glue surface and the stitch are consistent, the first stitch is required to be welded on a PCB, the glue surface is required to be welded downwards, the welding is difficult if the glue surface is uneven, and the welding effect is affected; secondly, the high temperature during the downward welding of the glue surface can lead to the melting of the pouring sealant, thereby affecting the performance and appearance of the product; thirdly, the adhesive surface is directly attached to the PCB in the welding process, so that heat generation and dissipation are not facilitated.

Disclosure of Invention

The utility model aims to provide a combined transformer for solving the problems.

The technical scheme for solving the technical problems is as follows: the combined transformer comprises a shell, a first coil and a second coil are arranged in the shell, a first U-shaped needle is inserted in the first coil, a second U-shaped needle is inserted in the second coil and the first coil, the other side of the first U-shaped needle is inserted in a slot hole in the shell, the other side of the second U-shaped needle is inserted in the slot hole in the shell, a needle column is arranged on one side of the second coil, and the needle column penetrates through the upper end of the shell.

As a preferable technical scheme of the utility model, the shell comprises a first shell, a rubber surface is arranged on the first shell and close to the outer surface of the first coil, the second coil is connected with the first coil through a spacer, and first needle posts which are arranged at equal intervals are arranged at the upper end part of the first shell.

As a preferable technical scheme of the utility model, the shell comprises a second shell and a third shell, the edge of the second shell is connected with the third shell through a rubber surface, a second needle post and a third needle post are arranged at the upper end part of the third shell, and the adjacent second needle post and third needle post are respectively connected with the second connector through a first connector.

As a preferable technical scheme of the utility model, the shell comprises a second shell and a third shell, a rubber surface is arranged on the second shell and close to the outer surface of the first coil, a second needle post and a third needle post are arranged at the upper end part of the third shell, and the adjacent second needle post and third needle post are respectively connected with the second connector through a first connector.

As a preferable technical scheme of the utility model, the diameters of the first U-shaped needle and the second U-shaped needle are equal and larger than the diameter of the needle column.

As a preferable technical scheme of the utility model, the two ends of the shell are respectively provided with convex points.

Due to the adoption of the structure, the utility model has the following beneficial effects:

1. the problems of poor welding, melting of pouring sealant and the like caused by the adhesion of the glue surface and the PCB are avoided;

2. bumps are added on the surface of the shell to isolate the shell from the PCB, so that the product can dissipate heat better.

Drawings

Fig. 1 is a front view of embodiment 1.

Fig. 2 is a schematic diagram of the internal structure of embodiment 1.

Fig. 3 is a front view of embodiment 2 or embodiment 3.

Fig. 4 is a schematic diagram of the internal structure of embodiment 2 or embodiment 3.

In the figure: 1 is a first shell, 2 is a second U-shaped needle, 3 is a first U-shaped needle, 4 is a first coil, 5 is a spacer, 6 is a second coil, 7 is a first needle cylinder, 8 is a second shell, 9 is a third shell, 10 is a first connector, 11 is a second needle cylinder, 12 is a second connector, and 13 is a third needle cylinder.

Detailed Description

The utility model will now be described in further detail with reference to the drawings and to specific examples.

As shown in fig. 1 to 4, the combined transformer of the utility model comprises a housing, wherein a first coil 4 and a second coil 6 are arranged in the housing, a first U-shaped needle 3 is inserted into the first coil 4, a second U-shaped needle 2 is inserted into the second coil 6 and the first coil 4, the other side of the first U-shaped needle 3 is inserted into a slot hole on the housing, the other side of the second U-shaped needle 2 is inserted into the slot hole on the housing, a needle column is arranged on one side of the second coil 6, and the needle column penetrates through the upper end of the housing.

Example 1

The casing includes first shell 1, the surface that just approaches first coil 4 on the first shell 1 is provided with the face of gluing, second coil 6 passes through spacer 5 and is connected with first coil 4, first shell 1 upper end is equipped with equidistant first needle post 7. The spacer 5 has the functions of insulation and interference resistance; the embodiment is that the casing is moulded plastics an organic whole and forms, and the gluey face orientation changes to be opposite with the stitch direction, keeps away from promptly with the tip of stitch, can avoid because of the poor welding that gluey face and PCB board laminating produced and the pouring sealant melts scheduling problem.

Example 2

The shell comprises a second shell 8 and a third shell 9, the edges of the second shell 8 are connected with the third shell 9 through a rubber surface, a second needle post 11 and a third needle post 13 are arranged at the upper end part of the third shell 9, and the adjacent second needle post 11 and third needle post 13 are respectively connected with a second connector 12 through a first connector 10. The glue surface is arranged at the joint of the second shell 8 and the third shell 9, so that the problems of poor welding, melting of pouring sealant and the like caused by the lamination of the glue surface and the PCB can be avoided.

Example 3

The shell comprises a second shell 8 and a third shell 9, a rubber surface is arranged on the second shell 8 and close to the outer surface of the first coil 4, a second needle post 11 and a third needle post 13 are arranged at the upper end part of the third shell 9, and the adjacent second needle post 11 and third needle post 13 are respectively connected with a second connector 12 through a first connector 10. The glue surface is arranged at the end part of the second housing 8 far away from the pins, namely, the glue surface is changed into the opposite direction with the pins, and the problems of poor welding, melting of pouring sealant and the like caused by the lamination of the glue surface and the PCB can be avoided.

In the utility model, the diameters of the first U-shaped needle 3 and the second U-shaped needle 2 are equal and larger than the diameter of the needle column.

In the utility model, protruding points are respectively arranged at two ends of the shell. Bumps or salient points are added on the surface of the shell to isolate the shell from the PCB, so that the product can dissipate heat better.

The description and applications of the present utility model herein are illustrative and are not intended to limit the scope of the utility model to the embodiments described above. Variations and modifications of the embodiments disclosed herein are possible, and actual alternatives to and equivalents of the various components of the embodiments are known to those of ordinary skill in the art. It will be clear to those skilled in the art that the present utility model may be embodied in other forms, structures, arrangements, proportions, and with other elements, materials, and components, without departing from the spirit or essential characteristics thereof. Other variations and modifications of the embodiments disclosed herein may be made without departing from the spirit or essential characteristics of the utility model.

Claims

1. A combined transformer is characterized in that: the novel U-shaped needle comprises a shell, a first coil (4) and a second coil (6) are arranged in the shell, a first U-shaped needle (3) is inserted in the first coil (4), a second U-shaped needle (2) is inserted in the second coil (6) and the first coil (4), the other side of the first U-shaped needle (3) is inserted in a groove hole in the shell, the other side of the second U-shaped needle (2) is inserted in the groove hole in the shell, a needle column is arranged on one side of the second coil (6), and the needle column penetrates through the upper end of the shell.

2. A modular transformer as claimed in claim 1, wherein: the shell comprises a first shell (1), a rubber surface is arranged on the first shell (1) and close to the outer surface of the first coil (4), the second coil (6) is connected with the first coil (4) through a spacer (5), and first needle columns (7) which are arranged at equal intervals are arranged at the upper end part of the first shell (1).

3. A modular transformer as claimed in claim 1, wherein: the shell comprises a second shell (8) and a third shell (9), the edges of the second shell (8) are connected through the third shell (9) with a rubber surface, a second needle column (11) and a third needle column (13) are arranged at the upper end part of the third shell (9), and the adjacent second needle column (11) and third needle column (13) are connected with a second connector (12) through a first connector (10) respectively.

4. A modular transformer as claimed in claim 1, wherein: the shell comprises a second shell (8) and a third shell (9), a rubber surface is arranged on the second shell (8) and close to the outer surface of the first coil (4), a second needle column (11) and a third needle column (13) are arranged at the upper end of the third shell (9), and the adjacent second needle column (11) and third needle column (13) are connected with a second connector (12) through a first connector (10) respectively.

5. A modular transformer as claimed in claim 1, wherein: the diameters of the first U-shaped needle (3) and the second U-shaped needle (2) are equal and are larger than the diameter of the needle column.

6. A modular transformer as claimed in claim 1, wherein: salient points are respectively arranged at two ends of the shell.