CN219370755U - Double-pin high-frequency transformer - Google Patents

Abstract

The utility model provides a single-side double-row pin design, which increases the output voltage diversity and ensures the self safety of a double-pin high-frequency transformer. Including skeleton, setting are in bobbin, winding on the bobbin are in winding group and last magnetic core and lower magnetic core on the bobbin, lower magnetic core embedded assembly is in on the skeleton, winding group quilt go up the magnetic core with down the magnetic core cladding is including the skeleton bottom left and right sides is provided with respectively with first stitch group and the second stitch group that the winding group is connected, by a plurality of pins constitution, wherein first stitch group with arbitrary group of second stitch group is double pin design, and still be provided with the skeleton bump on the skeleton lower extreme lateral wall face, the quantity and the position of skeleton bump with the first stitch group with the second stitch is organized in the most outside one row the pin looks adaptation. The utility model is suitable for the technical fields of inductors and electronic equipment elements.

Description

Double-pin high-frequency transformer

Technical Field

The utility model relates to the technical field of inductance and electronic equipment elements, in particular to a double-pin high-frequency transformer.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and mainly comprises a coil, a magnetic core, a framework and the like, wherein a plurality of pins are arranged on the framework, the leads of the coil are required to be connected to the pins in sequence, the framework can be fully utilized to wind enameled wires and assembled magnetic core coils, and normal voltage is output by combining the electromagnetic conversion mode of a product, so that the functions of controlling a circuit, meeting circuit requirements and the like are achieved. The pins in the traditional transformer are symmetrically designed at equal intervals, the number of the pins and the distance between the pins and the framework are relatively fixed, so that the transformer cannot meet the requirements of modern technological electronic products, especially the electronic intelligent functions of products such as new energy automobiles are more and more, the number of the pins of the transformer is required to be larger, if the number of the pins is simply increased, the whole volume of the transformer is increased, the space of a circuit board is occupied, assembly of subsequent elements is not facilitated, meanwhile, the distance between the pins cannot meet the requirements of safe distance, faults are easy to occur during use, and the use experience is influenced.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art, and provides a double-pin high-frequency transformer which is designed by single-side double-row pins, increases the diversity of output voltage and ensures the safety of the transformer.

The technical scheme adopted by the utility model is as follows: the utility model comprises a framework, a winding frame arranged on the framework, a winding group wound on the winding frame, an upper magnetic core and a lower magnetic core, wherein the lower magnetic core is embedded and assembled on the framework, and the winding group is covered by the upper magnetic core and the lower magnetic core, and the utility model is characterized in that: the left side and the right side of the bottom of the framework are respectively provided with a first stitch group and a second stitch group which are connected with the winding groups and are composed of a plurality of pins, any one of the first stitch group and the second stitch group is designed as double rows of pins, framework convex points are further arranged on the side wall surface of the lower end of the framework, and the number and the positions of the framework convex points are matched with the outermost row of pins in the first stitch group and the second stitch group.

Further, the first pin group is a single-row pin structure formed by a plurality of pins which are equidistantly arranged, and the second pin group is a double-row pin structure, wherein two rows of pins are alternately arranged.

Further, concave arc grooves are formed in contact surfaces of two sides of the upper magnetic core and the lower magnetic core, and epoxy glue is filled in the concave arc grooves.

Further, the winding component comprises a primary coil and a secondary coil, and an insulating baffle is further arranged between any end of the secondary coil and the inner side wall of the lower magnetic core.

Further, an insulating baffle is arranged between one side of the secondary coil corresponding to the first pin group and the inner side wall of the lower magnetic core.

Finally, the primary coil and the secondary coil are respectively provided with a sleeve, and adjacent sleeves are separated by an insulating adhesive tape.

Compared with the prior art, the utility model has the beneficial effects that: through the design of a single-side double-row pin structure, the diversity of the output voltage is increased, and the increasingly complex connection requirement of modern electronic products on the transformer is met; the contact surface between the upper magnetic core and the lower magnetic core is bonded by the fixed epoxy glue with an arc structure, so that the original single-point single-pin bonding mode is replaced, and the sealing performance of the product is improved; the skeleton convex points matched with the pins are additionally arranged on the skeleton, so that the winding groups can conveniently enter and exit the wire winding pins, the direct winding pins of the winding groups are avoided, and the damage to the product in the subsequent process is effectively prevented; the primary coil and the secondary coil are sleeved with the sleeve, and an insulating adhesive tape is arranged between the adjacent sleeves, so that a double-layer protection effect is realized, and the safety of products is greatly improved. Therefore, the utility model adopts a unilateral double-row pin design, thereby increasing the diversity of output voltage and simultaneously ensuring the safety of the power supply.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is an electrical diagram of the present utility model;

fig. 5 is a schematic cross-sectional view of the winding set.

Detailed Description

As shown in fig. 1, 2 and 3, the utility model comprises a framework 1, a winding frame 2 arranged on the framework 1, a winding group 3 wound on the winding frame 2, an upper magnetic core 4 and a lower magnetic core 5, wherein the lower magnetic core 5 is embedded and assembled on the framework 1, the winding group 3 is covered by the upper magnetic core 4 and the lower magnetic core 5, a first stitch group 6 and a second stitch group 7 connected with the winding group 3 are respectively arranged on the left side and the right side of the bottom of the framework 1, each stitch group consists of a plurality of pins 8, any one of the first stitch group 6 and the second stitch group 7 is designed as a double-row pin, framework salient points 9 are further arranged on the side wall surface of the lower end of the framework 1, and the number and the positions of the framework salient points 9 are matched with the pins 8 on the outermost side in the first stitch group 6 and the second stitch group 7.

In this embodiment, the first pin group 6 is a single-row pin structure formed by a plurality of pins 8 arranged at equal intervals, and the second pin group 7 is a double-row pin structure, wherein two rows of pins 8 are arranged at intervals. Concave arc grooves 10 are formed in contact surfaces of two sides of the upper magnetic core 4 and the lower magnetic core 5, and epoxy glue 11 is filled in the concave arc grooves 10. The winding group 3 is divided into a primary coil and a secondary coil, and an insulating baffle 12 is further arranged between any end of the secondary coil and the inner side wall of the lower magnetic core 5. An insulating baffle 12 is arranged between the side of the secondary coil corresponding to the first pin group 6 and the inner side wall of the lower magnetic core 5. The primary coil and the secondary coil are respectively provided with a sleeve, and adjacent sleeves are separated by an insulating adhesive tape.

As shown in fig. 4 and 5, the design of the single-side double-row pin structure increases the diversity of the output voltage of the utility model, and meets the increasingly complex connection requirement of modern electronic products on transformers; the contact surface between the upper magnetic core and the lower magnetic core is bonded by the fixed epoxy glue with an arc structure, so that the original single-point single-pin bonding mode is replaced, and the sealing performance of the product is improved; the skeleton convex points matched with the pins are additionally arranged on the skeleton, so that the winding groups can conveniently enter and exit the wire winding pins, the direct winding pins of the winding groups are avoided, and the damage to the product in the subsequent process is effectively prevented; the primary coil and the secondary coil are sleeved with the sleeve, and an insulating adhesive tape is arranged between the adjacent sleeves, so that a double-layer protection effect is realized, and the safety of products is greatly improved. In the utility model, the winding set 3 is composed of a primary coil N1 and secondary coils N2, N3, N4, N5, N6, N7, N8 and N9, wherein the secondary coils N2 and N3 are a group, the secondary coils N4, N5 and N6 are a group, the secondary coils N7 and N8 are a group, the secondary coils N9 and the primary coils N1 are a group, and each group of coils is covered by the sleeve and is separated by the insulating tape, so that double-layer protection is realized.

Finally, it should be emphasized that the foregoing description is merely illustrative of the preferred embodiments of the utility model, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and principles of the utility model, and any such modifications, equivalents, improvements, etc. are intended to be included within the scope of the utility model.

Claims (6)

1. The utility model provides a two stitch high frequency transformer, includes skeleton (1), sets up bobbin (2) on skeleton (1), winding are in coiling group (3) and last magnetic core (4) and lower magnetic core (5) on bobbin (2), lower magnetic core (5) embedded assembly is in on skeleton (1), coiling group (3) quilt go up magnetic core (4) with lower magnetic core (5) cladding is including its characterized in that: the left side and the right side of the bottom of the framework (1) are respectively provided with a first stitch group (6) and a second stitch group (7) which are connected with the winding group (3), each stitch group is composed of a plurality of pins (8), any one group of the first stitch group (6) and the second stitch group (7) is designed as double rows of pins, framework salient points (9) are further arranged on the side wall surface of the lower end of the framework (1), and the number and the positions of the framework salient points (9) are matched with the outermost row of pins (8) in the first stitch group (6) and the second stitch group (7).

2. A dual pin high frequency transformer as defined in claim 1, wherein: the first pin group (6) is formed into a single-row pin structure by a plurality of pins (8) which are equidistantly arranged, and the second pin group (7) is of a double-row pin structure, wherein two rows of pins (8) are alternately arranged.

3. A dual pin high frequency transformer as claimed in claim 2, wherein: concave arc grooves (10) are formed in contact surfaces of two sides of the upper magnetic core (4) and the lower magnetic core (5), and fixed epoxy glue (11) is filled in the concave arc grooves (10).

4. A dual pin high frequency transformer according to claim 3, wherein: the winding set (3) is divided into a primary coil and a secondary coil, and an insulating baffle (12) is further arranged between any end of the secondary coil and the inner side wall of the lower magnetic core (5).

5. The dual pin high frequency transformer according to claim 4, wherein: an insulating baffle (12) is arranged between one side of the secondary coil corresponding to the first pin group (6) and the inner side wall of the lower magnetic core (5).

6. The dual pin high frequency transformer according to claim 5, wherein: the primary coil and the secondary coil are respectively provided with a sleeve, and adjacent sleeves are separated by an insulating adhesive tape.