CN214012701U

CN214012701U - Transformer and resonance electromagnetic induction integrated structure

Info

Publication number: CN214012701U
Application number: CN202120245784.XU
Authority: CN
Inventors: 陈华宁; 许健; 陈亚伟
Original assignee: Kai Mingnuo Shenzhen Technology Co ltd
Current assignee: Kai Mingnuo Shenzhen Technology Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-08-20
Anticipated expiration: 2031-01-28

Abstract

The utility model discloses a transformer and resonance inductance magnetism integrated configuration, including first fixed bolster and second fixed bolster, first fixed bolster and second fixed bolster fixed connection form an inside hollow cavity, are provided with first magnetic core of transformer, transformer inductance sharing magnetic core and resonance inductance second magnetic core in this cavity, the upper and lower both ends face of transformer inductance sharing magnetic core is provided with transformer primary winding and resonance inductance winding, transformer primary winding and resonance inductance winding's tip is provided with transformer primary terminal and resonance inductance terminal respectively, transformer inductance sharing magnetic core is close to transformer primary winding and simultaneously has seted up a U-shaped mounting groove, installs transformer secondary in this mounting groove. The utility model discloses possess simple structure, small, the light and handy user installation of being convenient for, simultaneously with the unified winding of resonance inductance winding and transformer primary on same root flat enameled wire, the cost is reduced has saved installation space.

Description

Transformer and resonance electromagnetic induction integrated structure

Technical Field

The utility model relates to a transformer, inductor technical field specifically are a transformer and resonance inductance magnetism integrated configuration.

Background

The transformer and the inductor mainly play roles of generating resonance, electrically insulating and isolating, and converting voltage and energy, the traditional design of adding an independent resonance inductor and an independent transformer is mainly used in a plurality of high-frequency high-power DC/DC circuits or LLC half-bridges and full-bridge DC/DC conversion circuits in most automobile OBC charging pile circuits, and the traditional design mainly designs the resonance inductor and the transformer respectively and independently and installs the resonance inductor and the transformer in a fixed area in a PCB (printed Circuit Board), so that the independent installation space must be reserved in the design of the PCB to be limited by the application space, and in addition, the cost is higher due to large volume and more consumed materials; on the other hand, when the traditional single resonance inductor and the single transformer are designed, the output end of the resonance inductor and the primary end of the transformer need to consider the short circuit of an additional connecting wire or use a connecting terminal for short circuit, so that more working hours and higher cost are needed for maintenance, and the market competition is not facilitated. Therefore, it is necessary to design a transformer and a resonant electromagnetic induction integrated structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transformer and resonance inductance magnetism integrated configuration possesses simple structure, and is small, and the user of lightly being convenient for installs, simultaneously with resonance inductance winding and transformer primary winding unified winding on same root flat enameled wire, the cost is reduced has saved installation space's advantage.

In order to achieve the above object, the utility model provides a following technical scheme: a transformer and resonance electromagnetic induction integrated structure, which comprises an upper half fixed bracket and a lower half fixed bracket, the upper half fixing support and the lower half fixing support are fixedly connected to form a hollow cavity, the cavity is internally provided with an upper half magnetic core of the transformer, a shared magnetic core of the transformer inductor and a lower half magnetic core of the resonant inductor, the common magnetic core of the transformer inductor is positioned between the upper half magnetic core of the transformer and the lower half magnetic core of the resonant inductor, and the upper and lower end faces of the magnetic core shared by the transformer inductor are provided with a primary winding of the transformer and a resonant inductor winding, the ends of the primary winding of the transformer and the resonant inductance winding are respectively provided with a primary terminal of the transformer and a resonant inductance terminal, one side of the transformer inductance common magnetic core, which is close to the primary winding of the transformer, is provided with a U-shaped mounting groove, and a secondary winding of the transformer is arranged in the mounting groove, and a secondary terminal of the transformer is arranged on the secondary winding of the transformer.

Preferably, the lower half fixing support is provided with four mounting holes, and the central axes of the lower half fixing support are symmetrically distributed.

Preferably, the transformer upper half magnetic core, the transformer inductance common magnetic core and the resonance inductance lower half magnetic core can be EE type, ER type, EF type or RM type magnetic cores.

Preferably, the primary winding of the transformer and the resonant inductance winding are coaxial and spiral, and the primary winding of the transformer and the resonant inductance winding are formed by winding a single continuous flat enameled wire.

Preferably, the secondary winding of the transformer is coaxially arranged with the primary winding of the transformer and the resonant inductor winding.

Preferably, the transformer primary terminal and the resonance inductance terminal are both provided with one, and the transformer primary terminal and the resonance inductance terminal are arranged in the same direction.

Preferably, the number of the secondary terminals of the transformer is three, the three secondary terminals of the transformer are arranged side by side, and the directions of the secondary terminals of the transformer are opposite to those of the primary terminal of the transformer and the resonant inductance terminal of the transformer.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up transformer inductance sharing magnetic core for transformer, inductor are integrated in an organic whole, add independent transformer design for traditional independent resonance inductance, and are small, have reduced magnetic material's quantity, have optimized the space size of product installation.

2. The utility model provides a transformer primary winding and resonance inductance winding are by the shaping of single continuous flat enameled wire coiling to optimized the wire winding process and got rid of the welded connection process, also further the cost is reduced more, are favorable to market competition.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a block diagram of the present invention;

FIG. 3 is a structural diagram of the transformer primary winding and the resonant inductor winding after being formed by winding;

fig. 4 is a structural diagram of the secondary winding of the transformer of the present invention.

The reference numerals and names in the figures are as follows:

1. an upper half fixed bracket; 2. a lower half fixed bracket; 3. an upper half magnetic core of the transformer; 4. the transformer inductor shares a magnetic core; 5. a resonant inductor lower half magnetic core; 6. a primary winding of a transformer; 7. a resonant inductor winding; 8. a primary terminal of the transformer; 9. a resonant inductor terminal; 10. mounting grooves; 11. a transformer secondary winding; 12. a transformer secondary terminal; 13. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides an embodiment: a transformer and resonance inductance magnetic integration structure comprises an upper half fixing support 1 and a lower half fixing support 2, wherein the upper half fixing support 1 and the lower half fixing support 2 are fixedly connected to form a hollow cavity, an upper transformer magnetic core 3, a transformer inductance shared magnetic core 4 and a resonance inductance lower half magnetic core 5 are arranged in the cavity, the transformer inductance shared magnetic core 4 is positioned between the upper transformer magnetic core 3 and the resonance inductance lower half magnetic core 5, the upper transformer magnetic core 3 and the transformer inductance shared magnetic core 4 are combined into a transformer magnetic core, the resonance inductance lower half magnetic core 5 and the upper transformer magnetic core 3 or the transformer inductance shared magnetic core 4 form a magnetic flux loop to generate inductance, a primary transformer winding 6 and a resonance inductance winding 7 are arranged on the upper end face and the lower end face of the transformer inductance shared magnetic core 4, and the ends of the primary transformer winding 6 and the resonance inductance winding 7 are respectively provided with a primary transformer terminal 8 and a resonance inductance terminal 7 9, a U-shaped mounting groove 10 is formed in one surface of the transformer inductance common magnetic core 4, which is close to the transformer primary winding 6, a transformer secondary winding 11 is mounted in the mounting groove 10, and a transformer secondary terminal 12 is arranged on the transformer secondary winding 11.

Specifically, mounting holes 13 have been seted up on half fixed bolster 2 down, mounting holes 13 are provided with four, four the axis symmetric distribution of half fixed bolster 2 below mounting hole 13, when the installation, transformer, inductor are fixed through four mounting holes 13.

Specifically, the upper half magnetic core 3 of the transformer, the common magnetic core 4 of the transformer inductance, and the lower half magnetic core 5 of the resonant inductance may be EE type, ER type, EF type, or RM type magnetic cores, and in this embodiment, the upper half magnetic core 3 of the transformer, the common magnetic core 4 of the transformer inductance, and the lower half magnetic core 5 of the resonant inductance are EE type magnetic cores.

Specifically, transformer primary winding 6 and resonance inductance winding 7 are coaxial heliciform, and transformer primary winding 6 and resonance inductance winding 7 are by single continuous flat enameled wire coiling shaping, when concrete implementation, single continuous flat enameled wire is according to in the same direction or anticlockwise around resonance inductance winding 7 after, turn over and continue in the same direction or anticlockwise around transformer primary winding 6 after reserving certain space, will form two in succession and the winding on different function magnetic device like this, so design and optimized the wire winding process and got rid of traditional welded connection process, the cost is further reduced more also, be favorable to market competition.

Specifically, the transformer secondary winding 11 is coaxially arranged with the transformer primary winding 6 and the resonance inductance winding 7.

It should be noted that in this embodiment, one transformer primary terminal 8 and one resonance inductance terminal 9 are both provided, and the transformer primary terminal 8 and the resonance inductance terminal 9 are provided in the same direction; the transformer secondary terminals 12 are arranged in three, the three transformer secondary terminals 12 are arranged side by side, and the directions of the transformer secondary terminals 12 are opposite to those of the transformer primary terminal 8 and the resonance inductance terminal 9.

The working principle is as follows: the utility model is assembled according to the structure, the upper half magnetic core 3 of the transformer, the common magnetic core 4 of the transformer inductor, the primary winding 6 of the transformer and the secondary winding 11 of the transformer form a transformer part, and when in use, the primary terminal 8 of the transformer and the secondary terminal 12 of the transformer are respectively connected with a conducting wire for electrifying to realize the voltage lifting; the lower half magnetic core 5 of resonance inductance, resonance inductance winding 7 and the first magnetic core 3 of transformer or transformer inductance sharing magnetic core 4 constitute the inductor part, and resonance inductance terminal 9 and transformer are just terminal 8 or transformer secondary terminal 12 external conductor form the magnetic flux return circuit and produce the inductance, the utility model discloses with transformer, inductor magnetism integration in an organic whole, add independent transformer design for traditional independent resonance inductance, small has reduced magnetic material's quantity, has optimized the space size of product installation, is worth wideling popularize and apply.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a transformer and resonance inductance magnetism integrated configuration, includes half fixed bolster (1) and half fixed bolster (2) down, its characterized in that: the upper half fixing support (1) and the lower half fixing support (2) are fixedly connected to form a hollow cavity, an upper half magnetic core (3) of a transformer, a shared magnetic core (4) of a transformer inductor and a lower half magnetic core (5) of a resonant inductor are arranged in the cavity, the shared magnetic core (4) of the transformer inductor is positioned between the upper half magnetic core (3) of the transformer and the lower half magnetic core (5) of the resonant inductor, a primary winding (6) of the transformer and a resonant inductor winding (7) are arranged on the upper end surface and the lower end surface of the shared magnetic core (4) of the transformer inductor, a primary terminal (8) of the transformer and a resonant inductor terminal (9) are respectively arranged on the end parts of the primary winding (6) of the transformer and the resonant inductor winding (7) of the transformer, a U-shaped mounting groove (10) is formed on one surface, close to the primary winding (6) of the transformer, and a secondary winding (11) of the transformer is arranged in the mounting groove (10), and a transformer secondary terminal (12) is arranged on the transformer secondary winding (11).

2. The transformer and resonant inductor-magnet integrated structure of claim 1, wherein: the lower half fixing support (2) is provided with four mounting holes (13), and the four mounting holes (13) are symmetrically distributed on the central axis of the lower half fixing support (2) of the mounting holes (13).

3. The transformer and resonant inductor-magnet integrated structure of claim 1, wherein: the upper half magnetic core (3) of the transformer, the common magnetic core (4) of the transformer inductor and the lower half magnetic core (5) of the resonant inductor can be EE type, ER type, EF type or RM type magnetic cores.

4. The transformer and resonant inductor-magnet integrated structure of claim 1, wherein: the transformer primary winding (6) and the resonance inductance winding (7) are in a coaxial spiral shape, and the transformer primary winding (6) and the resonance inductance winding (7) are formed by winding a single continuous flat enameled wire.

5. The transformer and resonant inductor-magnet integrated structure of claim 1, wherein: and the secondary winding (11) of the transformer is coaxially arranged with the primary winding (6) of the transformer and the resonant inductance winding (7).

6. The transformer and resonant inductor-magnet integrated structure of claim 1, wherein: the transformer primary terminal (8) and the resonance inductance terminal (9) are both provided with one, and the transformer primary terminal (8) and the resonance inductance terminal (9) are arranged in the same direction.

7. The transformer and resonant inductor-magnet integrated structure of claim 1, wherein: the transformer secondary terminal (12) is provided with three, three the transformer secondary terminal (12) sets up side by side, transformer secondary terminal (12) and transformer primary terminal (8) and resonance inductance terminal (9) opposite direction.