CN216287872U

CN216287872U - Planar transformer substrate applied to high-frequency transformer

Info

Publication number: CN216287872U
Application number: CN202123004247.5U
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 planar transformer substrate applied to a high-frequency transformer, and belongs to the technical field of transformers. The utility model provides a be applied to planar transformer base plate of high frequency transformer, includes upper magnetic core and lower magnetic core and the circuit board that sets up from top to bottom, two first mounting grooves have been seted up on the surface of circuit board, the position department that the top of circuit board corresponds first mounting groove all installs even board, even the second mounting groove has been seted up to the top of board, the position department that the bottom of even board corresponds the lug is provided with first fixed block, two even install planar transformer base plate between the board. The planar transformer substrate directly arranged on the surface of the circuit board is lifted above the circuit board by utilizing the two connecting plates, so that the area of the circuit board, which is shielded by the planar transformer substrate, is exposed, the space can be used for installing other electronic elements, and the whole circuit board has more area under the condition of not influencing normal use.

Description

Planar transformer substrate applied to high-frequency transformer

Technical Field

The utility model relates to the technical field of planar transformer substrates, in particular to a planar transformer substrate applied to a high-frequency transformer.

Background

Along with the continuous development of science and technology and the continuous increase of user demand, lead to needing the more and more powerful circuit board of function in the market, demand circuit board is more meticulous simultaneously, makes electronic product's functional power stronger, the volume is littleer as far as. Often, electronic components, such as planar transformer substrates, transistors, etc., are attached to a circuit board.

In practical use, a blank position needs to be hollowed out in a circuit board, then the planar transformer substrate is placed on the surface of the circuit board, and then the planar transformer substrate is fixed by the two magnetic blocks.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The present invention is directed to a planar transformer substrate for a high frequency transformer, so as to solve the problem of the prior art that the planar transformer substrate occupies a large area when being mounted on a circuit board.

2. Technical scheme

The utility model provides a be applied to planar transformer base plate of high frequency transformer, includes the last magnetic core that sets up from top to bottom and lower magnetic core and circuit board, two first mounting grooves have been seted up on the surface of circuit board, the position department that the top of circuit board corresponds first mounting groove all installs even board, the second mounting groove has been seted up to the top of even board, the position department that the bottom of even board corresponds the lug is provided with first fixed block, two even install planar transformer base plate between the board, planar transformer base plate includes middle ring portion and the right angle portion that is located ring portion both sides, the upper surface of ring portion is equipped with planar transformer coil.

Preferably, the first mounting groove penetrates through the circuit board, the length of the first fixing block is greater than the thickness of the first mounting groove, and the length and the width of the first fixing block are equal to those of the first mounting groove.

Preferably, the planar transformer substrate is located between the lower magnetic core and the upper magnetic core, and a snap ring is arranged outside the lower magnetic core and the upper magnetic core.

Preferably, the second mounting grooves penetrate through the link plate, and end portions of two right-angled portions of the planar transformer substrate respectively penetrate through the two second mounting grooves and extend to the outside of the link plate.

Preferably, the top wall of the planar transformer substrate is fixedly connected with the planar transformer coil, and two ends of each right-angle portion of the planar transformer substrate are connected with bumps.

Preferably, the first fixing block is fixedly connected with the first mounting groove in a soldering manner, and the two right-angle portions of the planar transformer substrate are fixedly connected with the second mounting groove in a soldering manner.

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, the planar transformer substrate directly arranged on the surface of the circuit board is lifted above the circuit board by utilizing the two connecting plates, so that the area of the circuit board, which is shielded by the planar transformer substrate, is exposed, the space can be used for installing other electronic elements, the whole circuit board has more areas under the condition of not influencing normal use, and more other electronic elements can be installed, thereby improving the integral function.

2. When the connecting plate is installed, the first fixing block at the bottom of the connecting plate can protrude to one part below the circuit board, and a certain space is formed between the two connecting plates, so that soldering at the connecting part of the first fixing block and the circuit board is more convenient.

Drawings

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

FIG. 2 is a schematic diagram of the present invention with the overall structure broken away;

FIG. 3 is a schematic partial structural breakdown of the present invention;

FIG. 4 is an exploded view of the overall structure of the present invention;

the reference numbers in the figures illustrate: 1. a circuit board; 2. a lower magnetic core; 3. an upper magnetic core; 4. a first mounting groove; 5. connecting plates; 6. a second mounting groove; 7. a first fixed block; 8. a planar transformer substrate; 9. a snap ring; 10. a planar transformer coil; 11. and (4) a bump.

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. 1-4, the present invention provides a technical solution:

a planar transformer substrate applied to a high-frequency transformer comprises an upper magnetic core 3, a lower magnetic core 2 and a circuit board 1 which are arranged up and down, wherein the circuit board 1 is a target circuit board, the surface of the circuit board 1 is provided with two first mounting grooves 4, connecting plates 5 are respectively arranged at positions corresponding to the first mounting grooves 4 above the circuit board 1, the surfaces of the connecting plates 5 are provided with circuits matched with the circuit board of the circuit board 1,

a second mounting groove 6 is arranged above the connecting plates 5, a first fixing block 7 is arranged at the bottom end of each connecting plate 5 corresponding to the position of the lug 11, a planar transformer substrate 8 is arranged between the two connecting plates 5, each planar transformer substrate 8 comprises a middle circular part and right-angled parts positioned at two sides of the circular part, a planar transformer coil 10 is arranged on the upper surface of the circular part, the planar transformer coil 10 is matched with the circuit of the connecting plate 5, so that the circuit board 1, the connecting plates 5 and the planar transformer coil 10 are connected into a whole, specifically, the first mounting groove 4 penetrates through the circuit board 1 to form a hollow groove, the length of the first fixing block 7 is greater than the thickness of the first mounting groove 4, the first fixing block 7 is inserted into the first mounting groove 4, so that the connecting plates 5 are inserted into the circuit board 1, and the length and width of the first fixing block 7 are equal to the length and width of the first mounting groove 4, so that the first fixing block 7 is more stably inserted into the first mounting groove 4, and the link plate 5 is more stably inserted onto the circuit board 1.

Further, the planar transformer substrate 8 is located between the lower magnetic core 2 and the upper magnetic core 3, the outer portions of the lower magnetic core 2 and the upper magnetic core 3 are provided with the snap ring 9, the planar transformer substrate 8 is sandwiched by the lower magnetic core 2 and the upper magnetic core 3, and the lower magnetic core 2 and the upper magnetic core 3 are further fixed by the snap ring 9.

It should be noted that the second mounting grooves 6 penetrate the connecting plate 5, and end portions of two right angle portions of the planar transformer substrate 8 respectively penetrate the two second mounting grooves 6 and extend to the outside of the connecting plate 5, so that the two right angle portions are inserted into the second mounting grooves 6, and the planar transformer substrate 8 is lifted by the two connecting plates 5, so that the planar transformer substrate 8 is located above the circuit board 1, and the upper surface space of the circuit board 1 is exposed, so as to mount more circuit electronic components.

It should be noted that the top wall of the planar transformer substrate 8 is fixedly connected to the planar transformer coil 10, the two ends of each right-angle portion of the planar transformer substrate 8 are connected to the bumps 11, and the planar transformer substrate 8 can be conveniently taken and mounted by using the bumps 11.

Besides, first fixed block 7 passes through the mode fixed connection of soldering tin with first mounting groove 4, there is a plurality of welding point near first fixed block 7, circuit board 1 is located the welding point that also has a plurality of correspondence all around of first mounting groove 4, the soldering tin point that will match carries out soldering tin after first fixed block 7 and first mounting groove 4 are connected is connected and is connected, two right angle portion and the mode fixed connection that second mounting groove 6 passes through soldering tin of planar transformer base plate 8, there is a plurality of welding point near the right angle portion of planar transformer base plate 8, even the board 5 is located the welding point that also has a plurality of correspondence all around of second mounting groove 6, the soldering tin point that will match carries out soldering tin after planar transformer base plate 8 and even board 5 are connected is connected.

The working principle is as follows: the planar transformer substrate 8 is clamped in the middle by the lower magnetic core 2 and the upper magnetic core 3, the lower magnetic core 2 and the upper magnetic core 3 are fixed by the clamping ring 9, then two right-angle parts of the planar transformer substrate 8 are respectively inserted into the two connecting plates 5, so that the planar transformer substrate 8 is supported and fixed, the first fixing blocks 7 connected with the bottom ends of the connecting plates 5 are further inserted into the first mounting grooves 4 of the circuit board 1, then the matched soldering points are soldered, so that the whole structure is connected together, and the circuit board 1, the connecting plates 5 and the planar transformer substrate 8 are communicated into a whole.

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. The utility model provides a be applied to high frequency transformer's planar transformer base plate, includes upper magnetic core (3) and lower magnetic core (2) and circuit board (1) that set up from top to bottom, its characterized in that: two first mounting grooves (4) have been seted up on the surface of circuit board (1), position department that the top of circuit board (1) corresponds first mounting groove (4) all installs even board (5), second mounting groove (6) have been seted up to the top of even board (5), the position department that the bottom of even board (5) corresponds lug (11) is provided with first fixed block (7), two even install between board (5) planar transformer base plate (8), planar transformer base plate (8) are including middle ring portion and the right angle portion that is located ring portion both sides, the upper surface of ring portion is equipped with planar transformer coil (10).

2. The planar transformer substrate applied to a high-frequency transformer according to claim 1, wherein: the first mounting groove (4) runs through the circuit board (1), the length of the first fixing block (7) is larger than the thickness of the first mounting groove (4), and the length and the width of the first fixing block (7) are equal to those of the first mounting groove (4).

3. The planar transformer substrate applied to a high-frequency transformer according to claim 1, wherein: the planar transformer substrate (8) is located between the lower magnetic core (2) and the upper magnetic core (3), and a clamping ring (9) is arranged outside the lower magnetic core (2) and the upper magnetic core (3).

4. The planar transformer substrate applied to a high-frequency transformer according to claim 3, wherein: the second mounting grooves (6) penetrate through the connecting plate (5), and the end parts of two right-angle parts of the planar transformer substrate (8) penetrate through the two second mounting grooves (6) respectively and extend to the outer side of the connecting plate (5).

5. The planar transformer substrate applied to a high-frequency transformer according to claim 4, wherein: the top wall of the planar transformer substrate (8) is fixedly connected with the planar transformer coil (10), and two ends of each right-angle part of the planar transformer substrate (8) are connected with bumps (11).

6. The planar transformer substrate applied to a high-frequency transformer according to claim 5, wherein: the first fixing block (7) is fixedly connected with the first mounting groove (4) in a soldering tin mode, and two right-angle portions of the planar transformer substrate (8) are fixedly connected with the second mounting groove (6) in a soldering tin mode.