CN210925702U - Heat dissipation type high-frequency transformer - Google Patents
Heat dissipation type high-frequency transformer Download PDFInfo
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- CN210925702U CN210925702U CN201922497871.XU CN201922497871U CN210925702U CN 210925702 U CN210925702 U CN 210925702U CN 201922497871 U CN201922497871 U CN 201922497871U CN 210925702 U CN210925702 U CN 210925702U
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- heat
- conducting member
- guard shield
- magnetic core
- frequency transformer
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Abstract
The application discloses heat dissipation formula high frequency transformer, include the guard shield and locate transformer body in the guard shield, transformer body includes the skeleton, be equipped with winding group and magnetic core spare on the skeleton, the magnetic core spare is including locating the guard shield with magnetic core between the skeleton is peripheral, be equipped with the heat-conducting piece on the guard shield, the one end of heat-conducting piece extends to support in the guard shield and support and lean on the magnetic core is peripheral, the other end of heat-conducting piece extends to outside the guard shield, the heat-conducting piece is located the outer one end of guard shield is equipped with the heating panel. This application is through setting up heat-conducting member and heating panel, can be effectively outside heat conduction to the guard shield on the magnetic core spare that will be located the guard shield to effectively dispel the heat to the magnetic core spare, improve high frequency transformer's life.
Description
[ technical field ] A method for producing a semiconductor device
The application belongs to the transformer field, especially relates to a heat dissipation formula high frequency transformer.
[ background of the invention ]
The high-frequency transformer is a power transformer with the working frequency exceeding the intermediate frequency (10kHz), and is mainly used as a high-frequency switching power transformer in a high-frequency switching power supply. A transformer is a device for transforming ac voltage, current and impedance, and when an ac current flows through a primary winding, an ac magnetic flux is generated in a magnetic core (or iron core) to induce a voltage (or current) in a secondary winding. The transformer generally consists of a framework, a magnetic core (or iron core) and a coil, wherein the coil is provided with two or more than two windings, the winding connected with a power supply is called a primary coil, and the other windings are called secondary coils. The existing high-frequency transformer can be provided with a protective cover outside the main transformer body component in order to protect the main transformer body component when in use, but the heat productivity of a magnetic core (or an iron core) is large due to the large power (generally more than 100W) of the existing high-frequency transformer, and the heat radiation effect is poor due to the arrangement of the protective cover, so that the service life of the transformer is influenced.
[ summary of the invention ]
In order to solve the above problems, the present application provides a heat dissipation type high frequency transformer.
The application is realized by the following technical scheme:
heat dissipation formula high frequency transformer, include the guard shield and locate transformer body in the guard shield, transformer body includes the skeleton, be equipped with winding group and magnetic core spare on the skeleton, magnetic core spare is including locating the guard shield with magnetic core between the skeleton is peripheral, be equipped with the heat-conducting piece on the guard shield, the one end of heat-conducting piece extends to support in the guard shield and support and lean on the magnetic core is peripheral, the other end of heat-conducting piece extends to outside the guard shield, the heat-conducting piece is located the outer one end of guard shield is equipped with the heating panel.
In the heat dissipation type high-frequency transformer, the heat conducting member is movably arranged on the shield, and the shield is provided with an elastic jacking member for jacking the heat conducting member to enable the heat conducting member to abut against the periphery of the magnetic core.
The heat dissipation type high-frequency transformer is characterized in that the shield is provided with a communicating cavity for communicating the inner side and the outer side of the shield, the heat conducting piece is movably arranged in the communicating cavity, the heat conducting piece is provided with an annular convex edge, and the elastic jacking piece is sleeved on the heat conducting piece and used for jacking the annular convex edge to enable the heat conducting piece to abut against the jacking spring on the periphery of the magnetic core.
According to the heat dissipation type high-frequency transformer, the outer side face of the heat dissipation plate is provided with the plurality of heat dissipation grooves from top to bottom.
According to the heat dissipation type high-frequency transformer, the cross section of the heat dissipation groove is V-shaped.
In the heat dissipation type high frequency transformer, the heat conducting member and the heat dissipation plate are integrally formed.
The heat dissipating high frequency transformer as described above, wherein the heat conducting member and the heat dissipating plate are made of aluminum alloy, brass or bronze.
According to the heat dissipation type high-frequency transformer, the sealing ring positioned outside the heat conducting piece is arranged at one end, close to the outer side of the protective cover, of the communication cavity.
Compared with the prior art, the method has the following advantages:
this application is through setting up heat-conducting member and heating panel, can be effectively outside heat conduction to the guard shield on the magnetic core spare that will be located the guard shield to effectively dispel the heat to the magnetic core spare, improve high frequency transformer's life.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is an exploded view of a heat dissipating high frequency transformer;
FIG. 2 is a schematic cross-sectional view of a heat dissipating high frequency transformer;
fig. 3 is an enlarged schematic view of a portion a of fig. 2.
[ detailed description ] embodiments
In order to make the technical problems, technical solutions and advantageous effects solved by the present application more clear and obvious, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
When the embodiments of the present application refer to ordinal numbers such as "first", "second", etc., it should be understood that the terms are used for distinguishing only when the context clearly indicates that the order is changed.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
As shown in fig. 1 to 3, the heat dissipation type high frequency transformer includes a shield 1 and a transformer body 2 disposed in the shield 1, the transformer body 2 includes a skeleton 21, a winding group 22 and a magnetic core 23 are disposed on the skeleton 21, the magnetic core 23 includes a magnetic core periphery 231 disposed between the shield 1 and the skeleton 21, a heat conducting member 3 is disposed on the shield 1, one end of the heat conducting member 3 extends into the shield 1 and abuts against the magnetic core periphery 231, the other end of the heat conducting member 3 extends out of the shield 1, and a heat dissipating plate 4 is disposed at one end of the heat conducting member 3 located outside the shield 1. This embodiment is through setting up heat-conducting member and heating panel, can be effectively outside heat conduction to the guard shield on the magnetic core spare that is located the guard shield to effectively dispel the heat to the magnetic core spare, improve high frequency transformer's life. And because the radiating effect of this embodiment is good, consequently the guard shield of this embodiment can adopt high leakproofness structure to the protection transformer body that can be better.
Further, in order to ensure that the heat conducting member can continuously contact the magnetic core member to ensure the heat conducting and dissipating effect, the heat conducting member 3 is movably disposed on the shield 1, and the shield 1 is provided with an elastic pressing member 5 for pressing the heat conducting member 3 so that the heat conducting member 3 abuts against the periphery 231 of the magnetic core. Specifically, the protective cover 1 is provided with a communicating cavity 11 for communicating the inner side and the outer side of the protective cover 1, the heat conducting member 3 is movably arranged in the communicating cavity 11, the heat conducting member 3 is provided with an annular convex edge 31, the elastic jacking member 5 is sleeved on the heat conducting member 3 and used for jacking the annular convex edge 31, so that the heat conducting member 3 abuts against the jacking spring on the periphery 231 of the magnetic core, and the structure is simple and convenient to assemble.
Furthermore, the outer side surface of the heat dissipation plate 4 is provided with a plurality of heat dissipation grooves 41 from top to bottom, the heat dissipation area is increased by arranging the plurality of heat dissipation grooves, the heat dissipation effect is effectively improved, and the use requirement is met. For convenience of processing, the cross section of the heat dissipation groove 41 is in a V shape. In order to ensure efficient heat transfer to ensure a heat radiation effect, the heat conductive member 3 is integrally formed with the heat radiation plate 4. Further, the heat conductive member 3 and the heat dissipation plate 4 are made of aluminum alloy, brass, or bronze. Aluminum alloy, brass or bronze and the like are all materials with good heat conduction and heat dissipation, and can effectively meet the requirements of heat dissipation effects.
Further, in order to ensure that the sealing performance of the protective cover meets the use requirement, one end of the communication cavity 11, which is close to the outer side of the protective cover 1, is provided with a sealing ring 6 which is positioned outside the heat conducting member 3.
The working principle of the embodiment is as follows:
this embodiment is through setting up heat-conducting member and heating panel, can be effectively outside heat conduction to the guard shield on the magnetic core spare that is located the guard shield to effectively dispel the heat to the magnetic core spare, improve high frequency transformer's life.
The foregoing is illustrative of one embodiment provided in connection with the detailed description and is not intended to limit the disclosure to the particular embodiments described. Similar or identical methods, structures, etc. as used herein, or several technical deductions or substitutions made on the premise of the idea of the present application, should be considered as the protection scope of the present application.
Claims (8)
1. Heat dissipation formula high frequency transformer, its characterized in that includes guard shield (1) and locates transformer body (2) in guard shield (1), transformer body (2) include skeleton (21), be equipped with wire winding group (22) and magnetic core spare (23) on skeleton (21), magnetic core spare (23) are including locating guard shield (1) with magnetic core between skeleton (21) is peripheral (231), be equipped with heat-conducting member (3) on guard shield (1), the one end of heat-conducting member (3) extends to in guard shield (1) and support and lean on magnetic core is peripheral (231), the other end of heat-conducting member (3) extends to outside guard shield (1), heat-conducting member (3) are located the outer one end of guard shield (1) is equipped with heating panel (4).
2. The heat-dissipating high-frequency transformer according to claim 1, wherein the heat-conducting member (3) is movably disposed on the shield (1), and an elastic pressing member (5) for pressing the heat-conducting member (3) against the periphery (231) of the magnetic core is disposed on the shield (1).
3. The heat-dissipating high-frequency transformer according to claim 2, wherein the shield (1) is provided with a communicating cavity (11) for communicating the inside and the outside of the shield (1), the heat conducting member (3) is movably disposed in the communicating cavity (11), the heat conducting member (3) is provided with an annular convex edge (31), and the elastic pressing member (5) comprises a pressing spring which is sleeved on the heat conducting member (3) and used for pressing the annular convex edge (31) to enable the heat conducting member (3) to abut against the periphery (231) of the magnetic core.
4. The heat dissipating high-frequency transformer according to claim 1, wherein the heat dissipating plate (4) has a plurality of heat dissipating grooves (41) on an outer surface thereof from top to bottom.
5. The heat-dissipating high-frequency transformer according to claim 4, wherein the heat-dissipating grooves (41) have a V-shaped cross section.
6. The heat-dissipating high-frequency transformer according to claim 1, wherein the heat-conducting member (3) is integrally formed with the heat-dissipating plate (4).
7. The heat-dissipating high-frequency transformer according to claim 1, wherein the heat-conducting member (3) and the heat-dissipating plate (4) are made of aluminum alloy, brass or bronze.
8. The heat-dissipating high-frequency transformer according to claim 3, wherein the end of the communication cavity (11) close to the outside of the shield (1) is provided with a sealing ring (6) outside the heat-conducting member (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922497871.XU CN210925702U (en) | 2019-12-31 | 2019-12-31 | Heat dissipation type high-frequency transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922497871.XU CN210925702U (en) | 2019-12-31 | 2019-12-31 | Heat dissipation type high-frequency transformer |
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| Publication Number | Publication Date |
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| CN210925702U true CN210925702U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922497871.XU Active CN210925702U (en) | 2019-12-31 | 2019-12-31 | Heat dissipation type high-frequency transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114203393A (en) * | 2021-12-17 | 2022-03-18 | 天长市文峰电子科技有限公司 | Transformer framework for electric vehicle charger |
-
2019
- 2019-12-31 CN CN201922497871.XU patent/CN210925702U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114203393A (en) * | 2021-12-17 | 2022-03-18 | 天长市文峰电子科技有限公司 | Transformer framework for electric vehicle charger |
| CN114203393B (en) * | 2021-12-17 | 2024-03-22 | 天长市文峰电子科技有限公司 | Transformer skeleton for electric vehicle charger |
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