CN220753210U - High-power LLC combined transformer - Google Patents
High-power LLC combined transformer Download PDFInfo
- Publication number
- CN220753210U CN220753210U CN202322511805.XU CN202322511805U CN220753210U CN 220753210 U CN220753210 U CN 220753210U CN 202322511805 U CN202322511805 U CN 202322511805U CN 220753210 U CN220753210 U CN 220753210U
- Authority
- CN
- China
- Prior art keywords
- transformer
- frame
- group
- cores
- magnetic cores
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000926 separation method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Coils Or Transformers For Communication (AREA)
Abstract
The utility model discloses a high-power LLC combined transformer which comprises a mounting frame, a first group of transformer magnetic cores, a second group of transformer magnetic cores and a group of resonant inductance magnetic cores, wherein the first group of transformer magnetic cores, the second group of transformer magnetic cores and the group of resonant inductance magnetic cores are sequentially arranged in the mounting frame; and when the second group of transformer magnetic cores are connected in series with the first transformer magnetic core, a transformer is formed, and when the second group of transformer magnetic cores are connected in series with the resonance inductance magnetic core, a resonance inductance is formed. Compared with the existing transformer and inductance separation technology, the utility model reduces the cost of one magnetic core, and the second group of transformer magnetic cores can form a transformer with the first group of transformer magnetic cores and can form an inductance with the resonance inductance magnetic cores to form a magnetic circuit for sharing, thereby reducing the volume of products and reducing the cost.
Description
Technical Field
The utility model relates to the technical field of transformers, in particular to a high-power LLC combined transformer.
Background
The existing high-power transformers mostly adopt a transformer and inductance separation technology, and larger power is output by adopting a series-parallel connection relationship, so that the high-power transformer has high product cost and more manufacturing procedures, and occupies larger space and occupied board area.
Disclosure of Invention
The utility model mainly aims to provide a high-power LLC combined transformer, which aims to reduce the volume and the occupied area of the high-power combined transformer and realize the output of larger power under smaller volume.
In order to achieve the above purpose, the present utility model provides a high-power LLC combined transformer, which comprises a mounting frame, a first group of transformer cores, a second group of transformer cores and a group of resonant inductor cores, wherein the first group of transformer cores, the second group of transformer cores and the group of resonant inductor cores are sequentially arranged in the mounting frame;
and when the second group of transformer magnetic cores are connected in series with the first transformer magnetic core, a transformer is formed, and when the second group of transformer magnetic cores are connected in series with the resonance inductance magnetic core, a resonance inductance is formed.
According to a further technical scheme of the utility model, the mounting frame comprises a base, a first frame, a second frame and a third frame which are sequentially arranged on the base, the first group of transformer magnetic cores comprises a first transformer coil arranged in the first frame, the second group of transformer magnetic cores comprises a second transformer coil arranged in the second frame, and the resonant inductance magnetic cores comprise inductance coils arranged in the third frame.
According to a further technical scheme, the first frame comprises two oppositely arranged first side plates and a first baffle connected to one ends of the two first side plates, the second frame has the same structure as the first frame, and the third frame comprises two oppositely arranged second side plates and a second baffle connected to one ends of the two second side plates, which are far away from the first baffle.
According to a further technical scheme, cylindrical first center posts are arranged on the inner walls of the first baffle plate of the first frame and the second baffle plate of the second frame, cylindrical second center posts are arranged on the inner wall of the second baffle plate, the first center posts of the first frame are used for arranging the first transformer coils, the first center posts of the second frame are used for arranging the second transformer coils, and the second center posts are used for arranging the inductance coils.
According to a further technical scheme, the inner walls of the two first side plates and the two second side plates are of arc structures.
According to the further technical scheme, V-shaped grooves are formed in the top and bottom of the first baffle plate and the second baffle plate.
According to a further technical scheme, a plurality of support columns are arranged at the bottom of the base.
The high-power LLC combined transformer has the beneficial effects that:
compared with the existing transformer and inductance separation technology, the utility model reduces the cost of one magnetic core, and the second group of transformer magnetic cores can form a transformer with the first group of transformer magnetic cores and can form an inductance with the resonance inductance magnetic cores to form a magnetic circuit for sharing, thereby reducing the volume of products and reducing the cost.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a preferred embodiment of the high power LLC combination transformer of the present utility model;
FIG. 2 is a front view of a preferred embodiment of the high power LLC combination transformer of the present utility model;
FIG. 3 is a top view of a preferred embodiment of the high power LLC combination transformer of the present utility model;
FIG. 4 is a side view of a preferred embodiment of the high power LLC combination transformer of the present utility model;
FIG. 5 is a schematic view of the structure of the first frame;
fig. 6 is a schematic structural view of the third frame.
Reference numerals illustrate: a mounting frame 1; a first set of transformer cores 2; a second set of transformer cores 3; a resonant inductor core 4; a base 5; a first frame 6; a second frame 7; a third frame 8; a first side plate 9; a first baffle 10; a second side plate 11; a second baffle 12; a first center pillar 13; a second center pillar 14; support column 15.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 6, a preferred embodiment of the high-power LLC combined transformer of the present utility model includes a mounting frame 1, a first set of transformer cores 2, a second set of transformer cores 3 and a set of resonant inductor cores 4 sequentially disposed in the mounting frame 1.
In this embodiment, when the second set of transformer cores 3 is connected in series with the first set of transformer cores to form a transformer, the self leakage inductance generated by the transformer can be accurately adjusted through the resonance inductance; the resonant inductance is formed when the second set of transformer cores 3 is connected in series with the resonant inductance core 4.
Compared with the existing transformer and inductance separation technology, the cost of one magnetic core is reduced, the second group of transformer magnetic cores 3 can form a transformer with the first group of transformer magnetic cores 2, can form an inductance with the resonance inductance magnetic cores 4, and form a magnetic circuit to be shared, so that the product volume is reduced, and the cost is reduced.
Further, in this embodiment, the mounting frame 1 includes a base 5, and a first frame 6, a second frame 7, and a third frame 8 sequentially disposed on the base 5, the first set of transformer cores 2 includes a first transformer coil disposed in the first frame 6, the second set of transformer cores 3 includes a second transformer coil disposed in the second frame 7, and the resonant inductor core 4 includes an inductor coil disposed in the third frame 8.
The first frame 6 includes two first side plates 9 disposed opposite to each other and a first baffle 10 connected to one end of the two first side plates 9, the second frame 7 has the same structure as the first frame 6, and the third frame 8 includes two second side plates 11 disposed opposite to each other and a second baffle 12 connected to one end of the two second side plates 11 away from the first baffle 10.
It should be noted that, when the high-power LLC combined transformer of this embodiment is assembled, the first frame 6 and the second frame 7 may be disposed on the base 5 in opposition to each other, and the second frame 7 and the third frame 8 may be disposed on the base 5 in the same direction, so that the second frame 7 and the third frame 8 may share the first baffle 10 of the second frame 7, thereby further reducing the product volume and reducing the production cost.
Further, in the present embodiment, the first baffle 10 of the first frame 6 and the inner wall of the first baffle 10 of the second frame 7 are provided with a cylindrical first middle post 13, the inner wall of the second baffle 12 is provided with a cylindrical second middle post 14, the first middle post 13 is used for setting the first transformer coil, the second middle post 14 of the second frame 7 is used for setting the second transformer coil, and the second middle post 14 of the third frame 8 is used for setting the inductance coil.
The inner walls of the two first side plates 9 and the two second side plates 11 are arc structures.
In this embodiment, the first transformer coil is installed through the first middle post 13, the second transformer coil is installed through the second middle post 14 of the second frame 7, the inductor coil is installed through the second middle post 14 of the third frame 8, and the inner walls of the two first side plates 9 and the two second side plates 11 are set to be arc structures, and the arc structures are matched with the shapes of the first transformer coil, the second transformer coil and the inductor coil, so that the first transformer coil, the second transformer coil and the inductor coil are stably and reliably assembled.
Further, in the present embodiment, V-shaped grooves are provided at the top and bottom of the first baffle plate 10 and the second baffle plate 12.
Further, in this embodiment, a plurality of support columns 15 are disposed at the bottom of the base 5.
The high-power LLC combined transformer has the beneficial effects that: compared with the existing transformer and inductance separation technology, the utility model reduces the cost of one magnetic core, and the second group of transformer magnetic cores can form a transformer with the first group of transformer magnetic cores and can form an inductance with the resonance inductance magnetic cores to form a magnetic circuit for sharing, thereby reducing the volume of products and reducing the cost.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (7)
1. The high-power LLC combined transformer is characterized by comprising a mounting frame, a first group of transformer magnetic cores, a second group of transformer magnetic cores and a group of resonant inductance magnetic cores, wherein the first group of transformer magnetic cores, the second group of transformer magnetic cores and the group of resonant inductance magnetic cores are sequentially arranged in the mounting frame; the transformer is formed when the second set of transformer cores is connected in series with the first set of transformer cores, and the resonant inductance is formed when the second set of transformer cores is connected in series with the resonant inductance core.
2. The high power LLC combined transformer of claim 1, wherein the mounting frame includes a base and first, second and third frames disposed in sequence on the base, the first set of transformer cores including first transformer coils disposed in the first frame, the second set of transformer cores including second transformer coils disposed in the second frame, and the resonant inductor cores including inductor coils disposed in the third frame.
3. The high-power LLC combined transformer in accordance with claim 2, wherein said first frame includes two oppositely disposed first side plates and a first baffle connected to one ends of said two first side plates, said second frame is identical in structure to said first frame, and said third frame includes two oppositely disposed second side plates and a second baffle connected to one ends of said two second side plates remote from said first baffle.
4. A high power LLC combined transformer as claimed in claim 3, wherein the inner walls of the first baffle of the first frame and the first baffle of the second frame are provided with a cylindrical first center pillar, the inner wall of the second baffle is provided with a cylindrical second center pillar, the first center pillar of the first frame is used for setting the first transformer coil, the first center pillar of the second frame is used for setting the second transformer coil, and the second center pillar is used for setting the inductor coil.
5. A high power LLC combined transformer as claimed in claim 3, wherein the inner walls of the two first side plates and the two second side plates are arc structures.
6. A high power LLC combined transformer as claimed in claim 3, wherein the top and bottom of the first and second baffles are provided with V-grooves.
7. The high power LLC combined transformer of claim 2, wherein the bottom of the base is provided with a plurality of support columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322511805.XU CN220753210U (en) | 2023-09-15 | 2023-09-15 | High-power LLC combined transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322511805.XU CN220753210U (en) | 2023-09-15 | 2023-09-15 | High-power LLC combined transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220753210U true CN220753210U (en) | 2024-04-09 |
Family
ID=90570662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322511805.XU Active CN220753210U (en) | 2023-09-15 | 2023-09-15 | High-power LLC combined transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220753210U (en) |
-
2023
- 2023-09-15 CN CN202322511805.XU patent/CN220753210U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101308724B (en) | Magnet integrate construction of transformer and inductor | |
| CN111883351A (en) | Magnetic core structure based on multi-resonance converter | |
| CN113363059A (en) | Inductor, power factor correction circuit and electronic equipment | |
| CN113628853B (en) | Multiphase coupling inductor and manufacturing method thereof | |
| CN112652438A (en) | Transformer and inductance matrix integrated structure | |
| CN220753210U (en) | High-power LLC combined transformer | |
| CN215988363U (en) | Magnetic core and magnetic core group | |
| CN115588550A (en) | Magnetic core structure | |
| CN208422618U (en) | Distele magnetic core | |
| CN219759361U (en) | Common-differential mode integrated inductor | |
| CN202454398U (en) | Transformer core structure | |
| CN110808151A (en) | Two-way reactor | |
| CN220651759U (en) | High-power combined transformer | |
| CN220106225U (en) | Integrated magnetic circuit three-phase inductance | |
| CN220651784U (en) | Flat LLC double-center-column magnetic integrated transformer | |
| CN219180327U (en) | Combined PC transformer | |
| CN112927901A (en) | Magnetic core structure and device | |
| US20230360844A1 (en) | Magnetic integrated device | |
| CN210606926U (en) | Two-way reactor | |
| CN219105893U (en) | Two-way staggered magnetic integrated inductor | |
| CN219575349U (en) | Magnetic core structure of small transformer | |
| CN115472398A (en) | Magnetic integrated device, switching power supply, and method for manufacturing magnetic integrated device | |
| CN216054221U (en) | Transformer framework with novel structure | |
| CN219936830U (en) | Three-phase differential mode inductor | |
| CN212990883U (en) | Wire hanging structure of inductor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |