CN220474461U

CN220474461U - LLC magnetic integration transformer adopting UR magnetic core

Info

Publication number: CN220474461U
Application number: CN202322021839.0U
Authority: CN
Inventors: 李胜东; 李元东; 王强
Original assignee: Sichuan Jingweida Science And Technology Group Co ltd
Current assignee: Sichuan Jingweida Science And Technology Group Co ltd
Priority date: 2023-07-28
Filing date: 2023-07-28
Publication date: 2024-02-09
Anticipated expiration: 2033-07-28

Abstract

The utility model discloses an LLC (logical link control) magnetic integrated transformer adopting a UR magnetic core, which comprises the UR magnetic core, a main transformer framework, a main transformer coil, a DC-DC copper bar, a resonant inductor coil, a base and a resonant inductor framework, wherein the main transformer coil is wound on the main transformer framework, the resonant inductor coil is wound on the resonant inductor framework, three PIN PINs are arranged below the DC-DC copper bar, jacks are formed in the base, and the main transformer framework and the resonant inductor framework are mutually butted and arranged on the base. The utility model integrates the transformer magnetic core and the resonance inductance magnetic core by adopting the magnetic integration technology, the magnetic element is formed by combining three UR magnetic cores, the assembly size space of the transformer is greatly saved, the cost of magnetic components of the transformer is reduced, and the high output power and the miniaturized design of the OBC and the DC-DC of the new energy vehicle are realized.

Description

LLC magnetic integration transformer adopting UR magnetic core

Technical Field

The utility model relates to the technical field of transformers, in particular to an LLC magnetic integration transformer adopting a UR magnetic core.

Background

With the progress of human science and technology and the development of electronic technology, more and more electronic devices need to use transformers, wherein LLC transformers have incomparable advantages compared with common transformers, and thus, the LLC transformers are widely used, for example, a vehicle-mounted charger consisting of LLC transformers is a core component for electric energy conversion of electric automobiles. Most of LLC transformers are composed of a resonant inductance winding and a transformer, and the resonant inductance winding and the transformer are two independent devices. Most electronic devices are being miniaturized and integrated, and the volume of the LLC transformer is large because the resonant inductor winding and the transformer are two independent components.

In view of the above, the present utility model provides an LLC magnetic integrated transformer employing UR magnetic cores, which integrates a transformer magnetic core and a resonant inductor magnetic core.

Disclosure of Invention

The utility model provides an LLC magnetic integration transformer adopting a UR magnetic core, which integrates a transformer magnetic core and a resonance inductance magnetic core.

The utility model aims to provide an LLC (logical link control) magnetic integrated transformer adopting a UR magnetic core, which comprises the UR magnetic core, a main transformer framework, a main transformer coil, a DC-DC copper bar, a resonant inductor coil, a base and a resonant inductor framework, wherein the main transformer coil is wound on the main transformer framework, the resonant inductor coil is wound on the resonant inductor framework, three PIN PINs are arranged below the DC-DC copper bar, jacks are formed in the base, and the main transformer framework and the resonant inductor framework are mutually butted and are arranged on the base.

Further, the number of main transformer frameworks is two, including first main transformer frameworks and second main transformer frameworks, and resonance inductance frameworks are two, including first resonance inductance frameworks and second resonance inductance frameworks.

Further, the number of the UR magnetic cores is three, the UR magnetic cores comprise a first UR magnetic core, a second UR magnetic core and a third UR magnetic core, the first UR magnetic core and the second UR magnetic core are inserted into the first main transformer framework and the second main transformer framework, and the third UR magnetic core is inserted into the first resonant inductor framework and the second resonant inductor framework.

Further, the number of main transformer coils is two, and the main transformer coil comprises a first main transformer coil and a second main transformer coil, and the number of resonant inductance coils is two, and the main transformer coil comprises a first resonant inductance coil and a second resonant inductance coil.

Further, the two DC-DC copper bars comprise a first DC-DC copper bar and a second DC-DC copper bar, wherein the first DC-DC copper bar is inserted into the first main transformer coil from the upper part and clings to the first main transformer coil, and the second DC-DC copper bar is inserted into the second main transformer coil from the upper part and clings to the second main transformer coil.

The utility model has the following advantages: the utility model integrates the transformer magnetic core and the resonance inductance magnetic core by adopting the magnetic integration technology, the magnetic element is formed by combining three UR magnetic cores, the assembly size space of the transformer is greatly saved, the cost of magnetic components of the transformer is reduced, and the high output power and the miniaturized design of the OBC and the DC-DC of the new energy vehicle are realized. The utility model simplifies the circuit by adopting the integration of the OBC and the DC-DC circuit, saves the winding space of the transformer, and ensures that the winding process of the transformer is simpler and more convenient, thereby reducing the manufacturing cost.

Drawings

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

FIG. 2 is a front view of the present utility model;

FIG. 3 is a schematic diagram of an exploded construction of the present utility model;

FIG. 4 is a schematic diagram of a main transformer framework structure of the present utility model;

FIG. 5 is a schematic diagram of a resonant inductor skeleton structure according to the present utility model;

FIG. 6 is a schematic diagram of a UR core structure of the present utility model;

FIG. 7 is a schematic view of a copper bar structure according to the present utility model;

FIG. 8 is a schematic view of a base structure of the present utility model;

fig. 9 is a schematic circuit diagram of the present utility model.

In the figure: 1. a first DC-DC copper bar; 2. a second DC-DC copper bar; 3. a base; 4. a second resonant inductor coil; 5. a first resonant inductor coil; 6. a third UR core; 7. a first UR core; 8. a second UR core; 9. a first main transformer skeleton; 10. a second main transformer framework; 11. the first main transformer coil; 12. the second main transformer coil; 13. a first resonant inductor backbone; 14. a second resonant inductor backbone; 15. a jack; 16. PIN.

Detailed Description

The utility model provides an LLC (logical link control) magnetic integrated transformer adopting a UR magnetic core, which comprises the UR magnetic core, a main transformer framework, a main transformer coil, a DC-DC copper bar, a resonance inductance coil, a base 3 and a resonance inductance framework, wherein the main transformer coil is wound on the main transformer framework, the resonance inductance coil is wound on the resonance inductance framework, three PIN feet 16 are arranged below the DC-DC copper bar, a jack 15 is formed in the base 3, and the main transformer framework and the resonance inductance framework are mutually butted and arranged on the base 3.

In this embodiment, the number of main transformer frameworks is two, including a first main transformer framework 9 and a second main transformer framework 10, and the number of resonant inductor frameworks is two, including a first resonant inductor framework 13 and a second resonant inductor framework 14.

In this embodiment, the number of UR cores is three, including a first UR core 7, a second UR core 8, and a third UR core 6, where the first UR core 7 and the second UR core 8 are inserted into the first main transformer frame 9 and the second main transformer frame 10, and the third UR core 6 is inserted into the first resonant inductor frame 13 and the second resonant inductor frame 14.

In this embodiment, the number of main transformer coils is two, including a first main transformer coil 11 and a second main transformer coil 12, and the number of resonant inductance coils is two, including a first resonant inductance coil 5 and a second resonant inductance coil 4.

In this embodiment, the two DC-DC copper bars include a first DC-DC copper bar 1 and a second DC-DC copper bar 2, where the first DC-DC copper bar 1 is inserted into the first main transformer coil 11 from above and is tightly attached to the first main transformer coil 11, and the second DC-DC copper bar 2 is inserted into the second main transformer coil 12 from above and is tightly attached to the second main transformer coil 12.

In this embodiment, the UR magnetic cores each have two racetrack-shaped side posts, through which the first main transformer skeleton 9, the second main transformer skeleton 10, the first resonant inductor skeleton 13, and the second resonant inductor skeleton 14 are inserted.

In this embodiment, the base 3 is used for fixing and supporting the first main transformer framework 9, the second main transformer framework 10, the first resonant inductor framework 13 and the second resonant inductor framework 14.

In this embodiment, the assembly is completed by combining two PIN PINs 16 under the DC-DC copper bar with the insertion holes 15 of the base 3.

In the embodiment, by adopting the integration of the OBC and the DC-DC circuit, the circuit is simplified, the winding space of the transformer is saved, the winding process of the transformer is simpler, and the manufacturing cost is reduced.

In the embodiment, the transformer magnetic core and the resonance inductance magnetic core are integrated by adopting a magnetic integration technology, and the magnetic component is formed by combining three UR magnetic cores, so that the assembly size space of the transformer is greatly saved, and the cost of the magnetic component of the transformer is reduced.

Although specific embodiments of the utility model have been described in detail with reference to the accompanying drawings, it should not be construed as limiting the scope of protection of the present patent. Various modifications and variations which may be made by those skilled in the art without the creative effort are within the scope of the patent described in the claims.

Claims

1. The utility model provides an LLC magnetism integrated transformer of adoption UR magnetic core, includes UR magnetic core, main skeleton, main transformer coil, DC-DC copper bar, resonance inductance coil, base and resonance inductance skeleton, its characterized in that: the main transformer wire is wound on the main transformer framework, the resonance inductance wire is wound on the resonance inductance framework, three PIN feet are arranged below the DC-DC copper bar, jacks are formed in the base, and the main transformer framework and the resonance inductance framework are mutually butted and arranged on the base.

2. A magnetic integrated transformer employing a UR core LLC as claimed in claim 1, wherein: the two main transformer frameworks comprise a first main transformer framework and a second main transformer framework, and the two resonant inductor frameworks comprise a first resonant inductor framework and a second resonant inductor framework.

3. An LLC magnetic integrated transformer employing UR magnetic cores as in claim 1, further comprising: the three UR magnetic cores comprise a first UR magnetic core, a second UR magnetic core and a third UR magnetic core, wherein the first UR magnetic core and the second UR magnetic core are inserted into the first main transformer framework and the second main transformer framework, and the third UR magnetic core is inserted into the first resonant inductance framework and the second resonant inductance framework.

4. An LLC magnetic integrated transformer employing UR magnetic cores as in claim 1, further comprising: the two main transformer coils comprise a first main transformer coil and a second main transformer coil, and the two resonant inductance coils comprise a first resonant inductance coil and a second resonant inductance coil.

5. An LLC magnetic integrated transformer employing UR magnetic cores as in claim 1, further comprising: the two DC-DC copper bars comprise a first DC-DC copper bar and a second DC-DC copper bar, wherein the first DC-DC copper bar is inserted into the first main transformer coil from the upper part and clings to the first main transformer coil, and the second DC-DC copper bar is inserted into the second main transformer coil from the upper part and clings to the second main transformer coil.