CN216287910U

CN216287910U - Conversion board applied to high-frequency transformer

Info

Publication number: CN216287910U
Application number: CN202123004245.6U
Authority: CN
Inventors: 裴学毅
Original assignee: Huangshan Hanwei Electronic Co ltd
Current assignee: Huangshan Hanwei Electronic Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-04-12
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses a conversion plate applied to a high-frequency transformer, and belongs to the technical field of transformers. The utility model provides a be applied to high frequency transformer's conversion board, includes first magnetic core and the second magnetic core that sets up from top to bottom, first magnetic core with install the conversion board between the second magnetic core, first magnetic core with the outside of second magnetic core is equipped with fixed snap ring, first magnetic core with the second magnetic core is connected through fixed snap ring. The utility model does not need to design different transformers according to different circuit boards, the transformer is connected with the conversion board by designing the conversion board, and the transformer is also an original transformer, thereby avoiding the condition that each different circuit board needs to design a different die to produce the transformer, only needing to use a standard transformer module to be installed on different circuit boards, and simultaneously, the manufacture of the conversion board is simpler than that of the die and has lower cost.

Description

Conversion board applied to high-frequency transformer

Technical Field

The utility model relates to the technical field of integrated circuits, in particular to a conversion plate applied to a high-frequency transformer.

Background

With the continuous development of science and technology, various devices of an integrated system module are continuously published, and in systematized devices, an essential part is an integrated circuit board which is an integrated board for wiring and covering copper on the basis of a PCB, an FPC and an FPC board.

In actual production, different circuit boards used in each device are different, different transformer needs to be designed for different circuit boards, each transformer needs to be supported by a framework matched with the transformer in the use process, different copper holes are formed in each circuit board, and different pin positions of the transformer are designed according to different copper hole positions, so that the pin positions at the bottom of each transformer are different, each transformer needs to be produced by designing a separate mold, and different molds have higher cost.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The present invention is directed to a converter board for a high frequency transformer, so as to solve the problem of high cost caused by the need of designing different molds for manufacturing transformers for different circuit boards in the background art.

2. Technical scheme

A conversion plate applied to a high-frequency transformer comprises a first magnetic core and a second magnetic core which are arranged up and down, wherein the conversion plate is arranged between the first magnetic core and the second magnetic core, fixing snap rings are arranged outside the first magnetic core and the second magnetic core, and the first magnetic core is connected with the second magnetic core through the fixing snap rings;

the conversion board is formed by combining two strip-shaped circuit boards and an annular circuit board, welding points are arranged at the end parts of the two strip-shaped circuit boards on the conversion board, a magnetic ring is arranged at the position above the middle ring of the conversion board, a plurality of pins are connected to the bottom walls of the two strip-shaped circuit boards, and a limiting block capable of sliding outside the pins is arranged below the two strip-shaped circuit boards.

Preferably, the first magnetic core includes two triangular portions and a cylindrical portion, the two triangular portions are disposed at two sides of the cylindrical portion and provided with recessed areas, the recessed areas are adapted to the annular portion of the conversion plate, and the first magnetic core and the second magnetic core are arranged in a mirror image manner with the conversion plate as a symmetry plane.

Preferably, the fixing snap ring comprises two L-shaped portions, one end of each L-shaped portion is in a curved semi-cylindrical shell shape, the other end of each L-shaped portion is in a triangular prism shape, and the triangular prism-shaped ends of the two L-shaped portions are fixedly connected.

Preferably, the magnetic ring is fixedly connected with the annular circuit board of the conversion board, the magnetic ring is spirally arranged, and two end parts of the magnetic ring are respectively connected with the two strip-shaped circuit boards of the conversion board.

Preferably, the quantity of stopper sets up to two, two the stopper all sets up the conversion board below, a plurality of through-hole has evenly been seted up to the bottom of stopper, one end of pin with the diapire fixed connection of conversion board, another tip of pin passes the inside through-hole of stopper and extends to the stopper below.

Preferably, two L-shaped portions of the fixing clip ring are respectively located on two sides of the first magnetic core, grooves for accommodating the fixing clip ring are formed in two sides of the first magnetic core, a semi-cylindrical shell-shaped end portion of the L-shaped portion is in contact with an outer side wall of the second magnetic core, and a triangular prism portion of the L-shaped portion is in contact with an outer side wall of the first magnetic core.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1. through the integral structure designed by the utility model, different transformers are not required to be designed according to different circuit boards, the conversion plate is connected with the transformers by designing the conversion plate, the transformers are original transformers, the condition that different circuit boards are required to be provided with different molds to produce the transformers is avoided, the transformers can be arranged on different circuit boards only by using standard transformer modules, meanwhile, the conversion plate is simple in manufacture compared with the molds and low in cost, the positions of welding pads on the circuit boards of each customer are different, and the conversion plate can be integrally arranged only by changing the positions of the welding pads on the conversion plate when being designed.

2. The utility model can adjust the position of the limit block on the pin, thereby adapting to the situation that the length of the exposed pin is different when the transformer is welded due to the different thicknesses of the circuit boards, when the pin is short and is not easy to weld, the longer pin can be exposed by pulling out one pin, thereby welding, when the pin is too long, the pin is increased to shield the pin, thereby protecting the pin, and facilitating the later use.

Drawings

FIG. 1 is a schematic structural view of the overall structure of the present invention in a top view;

FIG. 2 is a schematic structural view of the overall structure of the present invention viewed from below;

FIG. 3 is a schematic structural diagram of a conversion plate according to the present invention;

FIG. 4 is a schematic structural view of the first and second magnetic cores of the present invention in a state of being fixed by a fixing clip;

FIG. 5 is an exploded view of the present invention;

the reference numbers in the figures illustrate: 1. a conversion plate; 2. a first magnetic core; 3. a second magnetic core; 4. fixing the snap ring; 101. a welding point; 102. a magnetic ring; 103. a limiting block; 104. and (7) a pin.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution:

a conversion plate applied to a high-frequency transformer comprises a first magnetic core 2 and a second magnetic core 3 which are arranged up and down, wherein a conversion plate 1 is arranged between the first magnetic core 2 and the second magnetic core 3, fixing clamping rings 4 are arranged outside the first magnetic core 2 and the second magnetic core 3, and the first magnetic core 2 and the second magnetic core 3 are connected through the fixing clamping rings 4;

the conversion board 1 is formed by combining two strip-shaped circuit boards and an annular circuit board, welding points 101 are arranged at the end parts of the two strip-shaped circuit boards on the conversion board 1, a magnetic ring 102 is arranged at the position above the middle annular part of the conversion board 1, a plurality of pins 104 are connected to the bottom walls of the two strip-shaped circuit boards, and a limiting block 103 capable of sliding outside the pins 104 is arranged below the two strip-shaped circuit boards.

Specifically, first magnetic core 2 includes two triangle portions and a cylinder portion, and the depressed area has been seted up to the position department that two triangle portions are located cylinder portion both sides, and the depressed area partly adaptation of depressed area and change-over panel 1's cyclic annular portion overlaps the cyclic annular portion cover of change-over panel 1 during the installation in the depressed area part between first magnetic core 2 and second magnetic core 3, and first magnetic core 2 and second magnetic core 3 use change-over panel 1 to set up as the plane of symmetry mirror image, and the magnetism that utilizes first magnetic core 2 and second magnetic core 3 presss from both sides tight fixedly to change-over panel 1.

Further, the fixing snap ring 4 comprises two L-shaped portions, one end portion of each L-shaped portion is in a curved semi-cylindrical shell shape, the other end portion of each L-shaped portion is in a triangular prism shape, the end portions of the triangular prism shapes of the two L-shaped portions are fixedly connected, and the fixing snap ring 4 which is integrally arranged has a better fixing effect on the first magnetic core 2 and the second magnetic core 3.

It should be noted that the magnetic ring 102 is fixedly connected to the annular circuit board of the conversion board 1, the magnetic ring 102 is spirally disposed, and two end portions of the magnetic ring 102 are respectively connected to the two strip-shaped circuit boards of the conversion board 1, so that the two strip-shaped circuit boards can communicate with one another to form an integrated circuit, and the strip-shaped circuit boards have corresponding circuits, which are circuits designed by those skilled in the art according to the needs of customers and will not be described herein.

It is worth noting that the number of the limiting blocks 103 is two, two limiting blocks 103 are arranged below the conversion plate 1, a plurality of through holes are evenly formed in the bottom of each limiting block 103, one end of each pin 104 is fixedly connected with the bottom wall of the conversion plate 1, the other end of each pin 104 penetrates through the through hole in the corresponding limiting block 103 and extends to the position below the corresponding limiting block 103, when the pin 104 is long, the position of the corresponding limiting block 103 on the corresponding pin 104 can be adjusted, so that the length of the pin 104 exposed below the corresponding limiting block 103 is shortened, subsequent operations such as soldering tin and the like are facilitated, when the limiting blocks 103 are short, the pins 104 can be taken down, and the length of the pin 104 below the corresponding limiting blocks 103 is exposed to be longer.

Besides, two L-shaped parts of the fixing clamping ring 4 are respectively positioned at two sides of the first magnetic core 2, grooves for accommodating the fixing clamping ring 4 are formed in two sides of the first magnetic core 2, the semi-cylindrical shell-shaped end part of the L-shaped part is contacted with the outer side wall of the second magnetic core 3, and the triangular column part of the L-shaped part is contacted with the outer side wall of the first magnetic core 2, so that the first magnetic core 2 and the second magnetic core 3 are fixed together by the fixing clamping ring 4, and the conversion plate 1 is further clamped and fixed by the first magnetic core 2 and the second magnetic core 3.

The working principle is as follows: place the change-over panel 1 between first magnetic core 2 and second magnetic core 3 earlier, and utilize first magnetic core 2 and second magnetic core 3 to press from both sides the change-over panel 1 tightly, later establish fixed snap ring 4 in first magnetic core 2 and second magnetic core 3 from top to bottom cover, the half cylinder shelly of two L shape portions in the fixed snap ring 4 supports the lateral wall of second magnetic core 3, the triangular prism portion of L shape portion supports the lateral wall of first magnetic core 2, later insert the contact pin 104 of 1 diapire connection of change-over panel to appointed circuit on, later adjust the contact pin 104 according to the thickness of circuit board and insert in the hole on the circuit board, later carry out soldering tin and connect.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A conversion plate applied to a high-frequency transformer comprises a first magnetic core (2) and a second magnetic core (3) which are arranged up and down, and is characterized in that: a conversion plate (1) is arranged between the first magnetic core (2) and the second magnetic core (3), a fixed clamping ring (4) is arranged outside the first magnetic core (2) and the second magnetic core (3), and the first magnetic core (2) and the second magnetic core (3) are connected through the fixed clamping ring (4);

the conversion board (1) is formed by combining two strip-shaped circuit boards and an annular circuit board, welding points (101) are arranged at the end parts of the two strip-shaped circuit boards on the conversion board (1), a magnetic ring (102) is arranged at the position above the middle ring of the conversion board (1), a plurality of pins (104) are connected to the bottom walls of the two strip-shaped circuit boards, and a limiting block (103) capable of sliding outside the pins (104) is arranged below the two strip-shaped circuit boards.

2. A conversion plate for a high-frequency transformer, as defined in claim 1, wherein: the first magnetic core (2) comprises two triangular parts and a cylindrical part, recessed areas are formed in the positions, located on two sides of the cylindrical part, of the two triangular parts, the recessed areas are matched with the annular part of the conversion plate (1), and the first magnetic core (2) and the second magnetic core (3) are arranged in a mirror image mode by taking the conversion plate (1) as a symmetrical plane.

3. A conversion plate for a high-frequency transformer, as defined in claim 1, wherein: the fixed snap ring (4) comprises two L-shaped parts, one end part of each L-shaped part is in a curved semi-cylindrical shell shape, the other end part of each L-shaped part is in a triangular prism shape, and the triangular prism-shaped end parts of the two L-shaped parts are fixedly connected.

4. A conversion plate for a high-frequency transformer, as defined in claim 1, wherein: the magnetic ring (102) is fixedly connected with the position of the annular circuit board of the conversion board (1), the magnetic ring (102) is spirally arranged, and two ends of the magnetic ring (102) are respectively connected with the two strip-shaped circuit boards of the conversion board (1).

5. A conversion plate for a high-frequency transformer, as defined in claim 1, wherein: the quantity of stopper (103) sets up to two, two stopper (103) all set up converter plate (1) below, a plurality of through-hole has evenly been seted up to the bottom of stopper (103), one end of pin (104) with the diapire fixed connection of converter plate (1), another tip of pin (104) passes the inside through-hole of stopper (103) and extends to stopper (103) below.

6. A conversion plate for a high-frequency transformer as defined in claim 3, wherein: two L shape parts of fixed snap ring (4) are located respectively the both sides of first magnetic core (2), open the both sides of first magnetic core (2) and have the recess that is used for holding fixed snap ring (4), the tip of the half-cylinder shell form of L shape portion with the lateral wall of second magnetic core (3) contacts, the triangular prism portion of L shape portion with the lateral wall of first magnetic core (2) contacts.