CN219143959U - Frameless magnetic assembly - Google Patents
Frameless magnetic assembly Download PDFInfo
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- CN219143959U CN219143959U CN202320061660.5U CN202320061660U CN219143959U CN 219143959 U CN219143959 U CN 219143959U CN 202320061660 U CN202320061660 U CN 202320061660U CN 219143959 U CN219143959 U CN 219143959U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The utility model discloses a frameless magnetic assembly, which comprises: the magnetic core group comprises a winding post, and the winding post is provided with an outer peripheral surface; a plurality of winding groups, wherein each winding group is wound on the outer circumferential surface of the winding post; the plurality of conductive element groups are arranged around the outer peripheral surface of the winding post in a sleeved mode, and the conductive element groups and the plurality of winding groups are arranged in a staggered mode on the outer peripheral surface of the winding post. The utility model can realize the assembly of the magnetic component without adopting a framework as a support in the magnetic component, thereby not only improving the utilization rate of a magnetic core window in the magnetic component, but also solving the technical problem of poor heat dissipation performance of the magnetic component.
Description
Technical Field
The utility model relates to the technical field of electronic components, in particular to a magnetic component without a framework.
Background
The transformer is a device for changing ac voltage by using the principle of electromagnetic induction, as shown in fig. 1, it is mainly composed of a primary winding, a secondary winding Q, a magnetic core (or iron core) and a transformer skeleton B, wherein the transformer skeleton B is used as a main body structure of the transformer, and plays roles of insulation, winding and assembling the magnetic core in the transformer. However, the transformer framework B can compress the winding space of the primary winding, so that the loss of the transformer is increased, and meanwhile, the heat conduction performance of the transformer framework B is poor, so that the heat dissipation of the transformer is not facilitated.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a magnetic component without a framework, and aims to solve the technical problems of poor heat dissipation performance and less winding space of a primary winding of a transformer in the prior art.
In order to solve the above problems, the present utility model provides a frameless magnetic assembly, which includes:
the magnetic core group comprises a winding post, and the winding post is provided with an outer peripheral surface;
a plurality of winding groups, wherein each winding group is wound on the outer circumferential surface of the winding post;
the plurality of conductive element groups are arranged around the outer peripheral surface of the winding post in a sleeved mode, and the conductive element groups and the plurality of winding groups are arranged in a staggered mode on the outer peripheral surface of the winding post.
Further, in the frameless magnetic assembly, the set of conductive elements includes a first conductive element and a second conductive element;
the first conductive piece is provided with a first through hole, the second conductive piece is provided with a second through hole, and the first through hole is communicated with the second through hole to form a through hole sleeved in the winding column.
Still further, in the frameless magnetic assembly, the first conductive member is further provided with a first opening, the second conductive member is further provided with a second opening, the first opening is in communication with the first through hole, and the second opening is in communication with the second through hole.
Further, in the frameless magnetic assembly, the first conductive member includes a first pin and a second pin, and the second conductive member includes a third pin and a fourth pin;
the first pin and the second pin are respectively positioned at two sides of the first opening, the third pin and the fourth pin are respectively positioned at two sides of the second opening, and the second pin is electrically connected with the third pin to form a center tap.
Furthermore, in the frameless magnetic assembly, a first insulating layer is arranged on the outer sides of the first conductive member and the second conductive member; a second insulating layer is arranged between the first conductive piece and the second conductive piece.
Further, in the frameless magnetic component, the winding set is provided with a third insulating layer.
Further, in the frameless magnetic assembly, the winding groups are connected in parallel.
Further, in the frameless magnetic assembly, the magnetic core group further includes a first magnetic core portion and a second magnetic core portion, and the first magnetic core portion is fixedly connected with the second magnetic core portion.
Still further, in the frameless magnetic assembly, the winding post includes a first winding post and a second winding post, the first winding post is integrally formed with the first magnetic core portion, and the second winding post is integrally formed with the second magnetic core portion.
Further, in the frameless magnetic assembly, an air gap is provided on the winding post.
The frameless magnetic assembly provided by the embodiment of the utility model comprises a magnetic core group, a plurality of conductive pieces and a plurality of winding groups, wherein a winding column is arranged in the magnetic core group, each conductive piece group is directly sleeved on the outer peripheral surface of the winding column, each winding group is wound on the outer peripheral surface of the winding column, and meanwhile, the conductive piece assemblies and the winding columns are staggered, so that the magnetic assembly can be assembled without adopting a skeleton as a support in the magnetic assembly. Therefore, the utilization rate of the magnetic core window in the magnetic component is improved, and the technical problem that the heat dissipation performance of the magnetic component is poor is solved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a prior art magnetic assembly;
FIG. 2 is a schematic structural diagram of a non-skeletal magnetic assembly according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a conductive element group according to an embodiment of the present utility model.
Reference numerals illustrate: the secondary winding is Q, the transformer skeleton is B, the first wrapping post is 101a, the second wrapping post is 101B, the first magnetic core part is 102a, the second magnetic core part is 102B, the winding group is 20, the conductive member group is 30, 301 is a first conductive member, 3011 is a first opening, 3012 is a first pin, 3013 is a second pin, 302 is a second conductive member, 3021 is a second opening, 3022 is a fourth pin, and 303 is a through hole.
Detailed Description
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 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.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a non-framework magnetic assembly according to an embodiment of the utility model. As shown in fig. 2, a skeletal-free magnetic assembly includes:
the magnetic core group comprises a winding post, and the winding post is provided with an outer peripheral surface;
a plurality of winding groups 20, each winding group 20 is wound on the outer circumferential surface of the winding post;
the plurality of conductive element groups 30 are arranged around the outer peripheral surface of the winding post in a sleeved mode, and the conductive element groups 30 are staggered with the plurality of winding groups 20 on the outer peripheral surface of the winding post.
Wherein, a plurality of electrically conductive spare group 30 can regard as the secondary winding of magnetic component, a plurality of wire winding group 20 can regard as the primary winding of magnetic component, all be provided with a through-hole on each electrically conductive spare group 30, each through-hole intercommunication is in order to form a through-hole, thereby make magnetic component in carrying out the assembly process, can be in proper order with each wire winding group 20 around locating the periphery of wrapping post, and locate each electrically conductive spare group 30 on the wrapping post through the through-hole cover, and then can need not to adopt the skeleton as supporting in magnetic component, alright realize the assembly to magnetic component, not only promoted the utilization ratio of magnetic core window in the magnetic component, but also solved the relatively poor technical problem of magnetic component heat dispersion.
It should be noted that the frameless magnetic component provided in the embodiments of the present application may be, but not limited to, a transformer, an inductor, a filter, or the like, and meanwhile, the frameless magnetic component provided in the embodiments of the present application is mainly applied to a server power supply with low voltage output, but not limited thereto.
In some embodiments, as shown in fig. 3, the set of conductive elements 30 includes a first conductive element 301 and a second conductive element 302; the first conductive member 301 is provided with a first through hole, and the second conductive member 302 is provided with a second through hole, and the first through hole is communicated with the second through hole to form a through hole sleeved in the winding post.
Specifically, the conductive element group 30 provided in the present application may be formed by two conductive elements, that is, the first conductive element 301 and the second conductive element 302 mentioned in the present application, and the first through hole on the first conductive element 301 is communicated with the second through hole on the second conductive element 302 to form a through hole of the conductive element group 30, so that the through hole can be used as a through hole sleeved on the winding post. In addition, the first conductive member 301 and the second conductive member 302 may be copper sheets, but not limited thereto.
In some embodiments, as shown in fig. 3, the first conductive member 301 is further provided with a first opening 3011, the second conductive member 302 is further provided with a second opening 3021, the first opening 3011 communicates with the first through hole, and the second opening 3021 communicates with the second through hole. Specifically, the first conductive element 301 and the second conductive element 302 are disposed in a staggered manner in the conductive element group 30, so that the first opening 3011 is not communicated with the second opening 3021. Meanwhile, by providing the first opening 3011 on the first conductive member 301 and providing the second opening 3021 on the second conductive member 302, it is possible to prevent the conductive member group 30 from shorting out the magnetic assembly after being assembled into the magnetic assembly. In addition, the first opening 3011 extends from the outermost periphery of the first conductive member 301 to the bottom of the uppermost end of the first through hole, and the second opening 3021 extends from the outermost periphery of the second conductive member 302 to the bottom of the uppermost end of the second through hole.
In some embodiments, the first conductive element 301 includes a first pin 3012 and a second pin 3013, and the second conductive element 302 includes a third pin and a fourth pin 3022; the first pins 3012 and the second pins 3013 are respectively located at two sides of the first opening 3011, the third pins and the fourth pins 3022 are respectively located at two sides of the second opening 3021, and the second pins 3013 are electrically connected with the third pins to form a center tap. The center tap is a head which is drawn at the center of the secondary winding and is mainly used for circuits requiring positive and negative power supplies and full-wave rectification, namely an outgoing line on the secondary side of the magnetic component. The first pin 3012, the second pin 3013, the third pin and the fourth pin 3022 may be electrically connected to other electronic components as the conductive member group 30. In addition, the second pin 3013 and the third pin may be integrally formed by welding to realize electrical connection, but not limited thereto.
It can be appreciated that after the second pin 3013 and the third pin are integrally formed by welding to achieve electrical connection, as shown in fig. 3, the third pin may be directly welded on the first conductive member 301, and the second pin 3013 may be used as a common pin to achieve electrical connection with other electronic components.
In some embodiments, a first insulating layer is disposed on the outer sides of the first conductive member 301 and the second conductive member 302; a second insulating layer is disposed between the first conductive member 301 and the second conductive member 302. Specifically, by providing the first insulating layer on the outer sides of the first conductive member 301 and the second conductive member 302, and providing the second insulating layer between the first conductive member and the second conductive member 302, the magnetic component can be prevented from being shorted. The first insulating layer covers the first conductive member and the second conductive member, and the second insulating layer may be an insulating sheet, but is not limited thereto.
In some embodiments, the winding group 20 is provided with a third insulating layer. Specifically, the winding group 20 is wound with an insulated wire having a third insulating layer, and the insulated wire is wound into a three-layer coil to constitute the winding group 20.
It is understood that the insulating materials used for the first insulating layer, the second insulating layer and the third insulating layer may be the same or different, and may be specifically selected according to practical applications, which is not specifically limited in this embodiment.
In some embodiments, the winding groups 20 are connected in parallel with each other. Specifically, after each winding group 20 is wound on the winding post, two terminals of each winding group 20 can be directly connected with external electronic components respectively, so that the winding groups 20 can be connected in parallel.
In some embodiments, as shown in fig. 2, the magnetic core set further includes a first magnetic core portion 102a and a second magnetic core portion 102b, where the first magnetic core portion 102a is fixedly connected to the second magnetic core portion 102 b.
In this embodiment, the first magnetic core portion 102a and the second magnetic core portion 102b are symmetrical, and a magnetic core group in the magnetic assembly can be formed between the first magnetic core portion 102a and the second magnetic core portion 102b through winding posts, and the first magnetic core portion 102a and the second magnetic core portion 102b can be fixedly connected through dispensing, but not limited thereto. The winding leg may be directly disposed on the first magnetic core 102a, or may be directly disposed on the second magnetic core 102b, or may be divided into a first winding leg 101a and a second winding leg 101b, where the first winding leg 101a is disposed on the first magnetic core 102a, and the second winding leg 101b is disposed on the second magnetic core 102 b. That is, the core assembly may be formed of two E-shaped cores, or may be formed of one U-shaped core and one T-shaped core, and the connection relationship between the winding post and the first core portion 102a may be selected according to practical applications, and the embodiment is not particularly limited.
In some embodiments, as shown in fig. 2, the winding leg includes a first winding leg 101a and a second winding leg 101b, the first winding leg 101a is integrally formed with the first core portion 102a, and the second winding leg 101b is integrally formed with the second core portion 102 b. Specifically, the first winding leg 101a and the first core portion 102a are integrally formed to form an E-shaped core, and similarly, the second winding leg 101b and the second core portion 102b are integrally formed to form an E-shaped core.
In some embodiments, the winding post is provided with an open air gap. Specifically, by arranging an air gap on the winding post, the residual magnetism of the magnetic core when the magnetic core works in an asymmetric magnetic field state can be reduced. One end surface of the winding post can be connected to a central area of a bottom plate of one of the first magnetic core part 102a and the second magnetic core part 102b, and the other end surface of the winding post can form an open air gap with the other end surfaces of the first magnetic core part 102a and the second magnetic core part 102 b; alternatively, the opposite end surfaces of the winding leg may form an air gap with the bottom plates of the first and second core portions 102a and 102b, respectively.
It will be appreciated that when the winding leg includes the first winding leg 101a and the second winding leg 101b, an air gap may be disposed on the first winding leg 101a, an air gap may be disposed on the second winding leg 101b, and an air gap may be disposed on the first winding leg 101a and the second winding leg 101b at the same time.
In summary, the frameless magnetic assembly provided in the embodiment of the utility model includes a magnetic core set, a plurality of conductive members and a plurality of winding sets 20, wherein a winding post is disposed in the magnetic core set, each conductive member set 30 is directly sleeved on the outer circumferential surface of the winding post, and each winding set 20 is wound on the outer circumferential surface of the winding post, and meanwhile, the conductive member sets 30 and the winding posts are staggered, so that the assembly of the magnetic assembly can be realized without adopting a frame as a support in the magnetic assembly, thereby not only improving the utilization rate of a magnetic core window in the magnetic assembly, but also solving the technical problem of poor heat dissipation performance of the magnetic assembly.
While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (10)
1. A frameless magnetic assembly comprising:
the magnetic core group comprises a winding post, and the winding post is provided with an outer peripheral surface;
a plurality of winding groups, wherein each winding group is wound on the outer circumferential surface of the winding post;
the plurality of conductive element groups are arranged around the outer peripheral surface of the winding post in a sleeved mode, and the conductive element groups and the plurality of winding groups are arranged in a staggered mode on the outer peripheral surface of the winding post.
2. The skeletal-free magnetic assembly of claim 1, wherein the set of conductive members includes a first conductive member and a second conductive member;
the first conductive piece is provided with a first through hole, the second conductive piece is provided with a second through hole, and the first through hole is communicated with the second through hole to form a through hole sleeved in the winding column.
3. The frameless magnetic assembly of claim 2, wherein the first conductive member is further provided with a first opening, the second conductive member is further provided with a second opening, the first opening is in communication with the first through hole, and the second opening is in communication with the second through hole.
4. The frameless magnetic assembly of claim 3, wherein the first conductive member comprises a first pin and a second pin, and wherein the second conductive member comprises a third pin and a fourth pin;
the first pin and the second pin are respectively positioned at two sides of the first opening, the third pin and the fourth pin are respectively positioned at two sides of the second opening, and the second pin is electrically connected with the third pin to form a center tap.
5. The frameless magnetic assembly of claim 2, wherein the first conductive member and the second conductive member are each provided with a first insulating layer on the outside thereof; a second insulating layer is arranged between the first conductive piece and the second conductive piece.
6. The frameless magnetic assembly of claim 1, wherein the winding set is provided with a third insulating layer.
7. The frameless magnetic component of claim 1, wherein the winding sets are connected in parallel with one another.
8. The frameless magnetic assembly of claim 1, wherein the magnetic core set further comprises a first magnetic core portion and a second magnetic core portion, the first magnetic core portion fixedly connected to the second magnetic core portion.
9. The frameless magnetic assembly of claim 8, wherein the winding leg comprises a first winding leg and a second winding leg, the first winding leg integrally formed with the first core portion, the second winding leg integrally formed with the second core portion.
10. The frameless magnetic assembly of claim 1, wherein the winding post has an open air gap disposed thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320061660.5U CN219143959U (en) | 2023-01-09 | 2023-01-09 | Frameless magnetic assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320061660.5U CN219143959U (en) | 2023-01-09 | 2023-01-09 | Frameless magnetic assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219143959U true CN219143959U (en) | 2023-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320061660.5U Active CN219143959U (en) | 2023-01-09 | 2023-01-09 | Frameless magnetic assembly |
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| Country | Link |
|---|---|
| CN (1) | CN219143959U (en) |
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2023
- 2023-01-09 CN CN202320061660.5U patent/CN219143959U/en active Active
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