CN217640902U - Transformer - Google Patents
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- CN217640902U CN217640902U CN202221312643.6U CN202221312643U CN217640902U CN 217640902 U CN217640902 U CN 217640902U CN 202221312643 U CN202221312643 U CN 202221312643U CN 217640902 U CN217640902 U CN 217640902U
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Abstract
The utility model provides a transformer, a serial communication port, include: the coil assembly is formed by winding a metal pipe with conductive performance, and the coil assembly is sleeved on the periphery of the magnetic core assembly; the first end of the metal pipe is connected with the output end of the insulating oil supply device, the second end of the metal pipe is connected with the input end of the insulating oil supply device, and the insulating oil supply device is used for supplying insulating oil to pass through the metal pipe. This embodiment is through dispelling the heat through insulating oil in the tubular metal resonator, has improved the radiating efficiency of transformer.
Description
Technical Field
The utility model relates to a transformer technical field, concretely relates to transformer.
Background
The transformer is important power distribution equipment in a power supply circuit, and the reliability and flexibility of power supply are ensured. The transformer generates a large amount of heat during operation, and the temperature of the transformer is controlled in a ventilation mode in the related art. However, the high frequency transformer generates more heat during operation, and the related art cooling method cannot effectively control the temperature of the transformer, which causes the temperature of the transformer to increase and damage the transformer.
Therefore, the problem of low heat dissipation efficiency of the transformer exists in the related art.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a transformer to there is the problem that transformer radiating efficiency is low in solving the correlation technique.
In order to achieve the above object, an embodiment of the present invention provides a transformer, including: a magnetic core assembly, a coil assembly, and an insulating oil supply device, wherein,
the coil assembly is formed by winding a metal tube with conductive performance, and is sleeved on the periphery of the magnetic core assembly;
the first end of the metal pipe is connected with the output end of the insulating oil supply device, the second end of the metal pipe is connected with the input end of the insulating oil supply device, and the insulating oil supply device is used for supplying insulating oil to pass through the metal pipe.
As an optional embodiment, the coil assembly includes a first coil and a second coil, the first coil is sleeved on a first region of the outer periphery of the magnetic core assembly, the second coil is sleeved on a second region of the outer periphery of the magnetic core assembly, and the first region and the second region are adjacent;
the first coil is used for inputting voltage, and the second coil is used for outputting voltage.
As an alternative embodiment, the outer wall of the first coil is provided with an insulating sleeve, and the surface of the second coil is provided with an insulating sleeve.
As an alternative embodiment, an insulating layer is attached between the first coil and the second coil.
As an alternative embodiment, the magnetic core assembly includes a first magnetic core group and a second magnetic core group, the first magnetic core group and the second magnetic core group are connected to form a closed magnetic circuit, the first coil is wound on the first magnetic core group, and the second coil is wound on the second magnetic core group.
As an optional implementation manner, the magnetic core assembly further comprises a first cover plate and a second cover plate, wherein the first cover plate is fixed on one side of the first magnetic core assembly, which is far away from the second magnetic core assembly, and the second cover plate is fixed on one side of the second magnetic core assembly, which is far away from the first magnetic core assembly;
the first cover plate and the second cover plate are fixedly connected through bolts.
In an alternative embodiment, the first cover plate is provided with a plurality of through holes, and the second cover plate is provided with a plurality of through holes.
As an optional implementation manner, a first cooling fin is disposed on a side of the first cover plate away from the first magnetic core group, and a second cooling fin is disposed on a side of the second cover plate away from the second magnetic core group.
As an optional implementation manner, the oil-insulated oil supply device further comprises a sealing assembly, wherein the sealing assembly comprises a connecting pipe and an embedded pipe, the embedded pipe is fixed at the first end or the second end of the metal pipe, one end of the connecting pipe is connected with the embedded pipe, and the other end of the connecting pipe is connected with the output end or the input end of the oil-insulated oil supply device.
One of the above technical solutions has the following advantages or beneficial effects:
this embodiment is through dispelling the heat through insulating oil in the tubular metal resonator, has improved the radiating efficiency of transformer.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a cross-sectional view of a transformer according to an embodiment of the present invention;
fig. 2 is a front view of a transformer according to an embodiment of the present invention;
fig. 3 is a second cross-sectional view of a transformer according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a magnetic core assembly provided in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a first magnetic core group according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a second magnetic core group according to an embodiment of the present invention;
fig. 7 is a schematic structural view of an embedded pipe provided by an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a connection pipe provided in an embodiment of the present invention;
fig. 9 is a schematic connection diagram of an embedded pipe and a connection pipe according to an embodiment of the present invention.
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 some, not all, of the embodiments of the present invention. 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, fig. 1 is a cross-sectional view of a transformer according to an embodiment of the present invention, as shown in fig. 1, the transformer includes: the magnetic core assembly 10, the coil assembly 20, and the insulating oil provide a means in which,
the coil assembly 20 is formed by winding a metal tube with conductive performance, and the coil assembly 20 is sleeved on the periphery of the magnetic core assembly 10;
the first end of metal pipe is connected with the output of insulating oil supply unit, and the second end of metal pipe is connected with the input of insulating oil supply unit, and insulating oil supply unit is used for providing insulating oil and passes through the metal pipe.
In this implementation, the existing high-frequency transformer includes a high-frequency dry-type wound transformer, and the main structure is that an enameled wire is wound on a magnetic core, and because the heat dissipation efficiency is low, only a design with low power can be made, and the product with high power cannot be adapted, and the heat dissipation efficiency needs to be improved. In the embodiment, the insulating oil is used for taking away the heat generated by the coil assembly 20 in the working process through the insulating oil in the metal pipe, so that the heat dissipation efficiency of the transformer is improved, and the design bottleneck of the high-power-density high-frequency heat converter can be improved.
The insulating oil supply device is used for supplying insulating oil for cooling, the insulating oil passes through the metal pipe with higher temperature, heat of the metal pipe is conducted to the insulating oil, the temperature of the coil assembly 20 is lowered, the temperature of the insulating oil is raised, and the insulating oil with higher temperature is discharged to the insulating oil supply device through the second end of the metal pipe. The insulating oil supply device may be provided with a component for cooling the insulating oil, and the cooling oil is cooled and then used for cooling the metal pipe to form a cooling cycle.
As an alternative embodiment, the coil assembly 20 includes a first coil 201 and a second coil 202, the first coil 201 is disposed in a first area of the outer periphery of the magnetic core assembly 10, the second coil 202 is disposed in a second area of the outer periphery of the magnetic core assembly 10, and the first area and the second area are adjacent to each other;
the first coil 201 is used for inputting voltage, and the second coil 202 is used for outputting voltage.
In this embodiment, the transformer needs to convert the input voltage into a higher or lower voltage, and the transformation is achieved by the first coil 201 and the second coil 202, as shown in fig. 2. The first coil 201 and the second coil 202 are formed by winding metal tubes, and heat dissipation treatment can be performed by insulating oil in the same way.
The first coil 201 is a primary coil, and may be made of a conductive material such as copper; the second coil 202 is a secondary coil, and a conductive material such as copper may be used. The high-voltage low-current input and the low-voltage high-current output of the high-frequency transformer are realized by connecting the primary windings of the transformers in series or in parallel and connecting the secondary windings of the transformers in series or in parallel. Meanwhile, the insulating oil flowing in a single direction is arranged in the winding of the metal tube of the transformer, so that a heat dissipation circulation channel of the transformer is effectively established
As an alternative embodiment, the outer wall of the first coil 201 is provided with an insulating sleeve, and the surface of the second coil 202 is provided with an insulating sleeve.
In this embodiment, the metal pipe is wound around the core assembly 10, and since the metal pipe has conductivity, the metal pipe needs to be insulated to prevent a short circuit between the first coil 201 and the second coil 202 wound around the core assembly 10. In this embodiment, an insulating sleeve is disposed on an outer wall of the first coil 201, and an insulating sleeve is disposed on a surface of the second coil 202 to achieve an insulating effect. Similarly, the insulating coating is provided on the outer wall of the first coil 201, and the insulating coating is provided on the outer wall of the second coil 202 to achieve the same insulating effect.
As an alternative embodiment, as shown in fig. 3, an insulating layer is attached between the first coil 201 and the second coil 202.
In this embodiment, there may be a contact condition between the first coil 201 and the second coil 202 in the transformer, and although the first coil 201 is sleeved with an insulating sleeve, in order to avoid the contact between the first coil 201 and the second coil 202 after the insulating sleeve is worn, the present embodiment attaches an insulating layer between the first coil 201 and the second coil 202 to improve the safety.
In addition, the transformer may have a plurality of first coils 201 and a plurality of second coils 202, and in order to avoid contact between the plurality of first coils 201 or between the plurality of second coils 202, an insulating layer may be attached between the plurality of first coils 201 and an insulating layer may be attached between the plurality of second coils 202.
The plurality of first coils 201 may be connected in parallel or in series, and the plurality of second coils 202 may be connected in parallel or in series.
As an alternative embodiment, as shown in fig. 4, the magnetic core assembly 10 includes a first magnetic core group 101 and a second magnetic core group 102, the first magnetic core group 101 and the second magnetic core group 102 are connected to form a closed magnetic circuit, a first coil 201 is wound on the first magnetic core group 101, and a second coil 202 is wound on the second magnetic core group 102.
In this embodiment, the magnetic core assembly 10 enables an important component of energy conversion in the transformer, namely the first magnetic core group 101 and the second magnetic core group 102, to be connected to form a closed magnetic circuit, so that transformation is realized between the first coil 201 and the second coil 202 which are sleeved on the surface.
In this embodiment, the first magnetic core group 101 includes 4U-shaped magnetic cores, which are closely arranged to form the first magnetic core group 101, as shown in fig. 5. The second magnetic core group 102 comprises 4U-shaped magnetic cores, which are closely arranged with each other to form the second magnetic core group 102, as shown in fig. 6. The first magnetic core group 101 and the second magnetic core group 102 are oppositely arranged to form a complete closed magnetic circuit.
As an optional implementation mode, the magnetic core assembly further comprises a first cover plate and a second cover plate, wherein the first cover plate is fixed on one side, away from the second magnetic core assembly 102, of the first magnetic core assembly 101, and the second cover plate is fixed on one side, away from the first magnetic core assembly 101, of the second magnetic core assembly 102;
the first cover plate and the second cover plate are fixedly connected through bolts.
In this embodiment, the connection between the first magnetic core group 101 and the second magnetic core group 102 is unstable, and a first cover plate and a second cover plate need to be added to make the connection between the first magnetic core group 101 and the second magnetic core group 102 stable through bolt connection. The first cover plate and the second cover plate can be made of metal materials with high heat dissipation efficiency, the heat dissipation area of the first magnetic core group 101 and the heat dissipation area of the second magnetic core group 102 are enlarged, and the auxiliary heat dissipation effect is achieved.
As an alternative embodiment, the first cover plate is provided with a plurality of through holes and the second cover plate is provided with a plurality of through holes.
In this embodiment, the through holes can radiate heat from the magnetic core assembly 10 and the coil assembly 20 by air cooling through flowing air, which also improves the heat radiation efficiency of the transformer. Wherein, a plurality of through-holes of first apron are arranged according to the design array on first apron, and a plurality of through-holes of second apron are arranged according to the design array on the second apron, and the air takes away the heat that magnetic core assembly 10 and coil assembly 20 produced through the through-hole under the transformer operating condition, can assist the radiating effect who improves the transformer.
As an alternative embodiment, a first cooling fin is arranged on the side of the first cover plate far away from the first magnetic core group 101, and a second cooling fin is arranged on the side of the second cover plate far away from the second magnetic core group 102.
In this embodiment, the first and second heat dissipation fins improve the heat dissipation efficiency of the first and second magnetic core groups 101 and 102, and also can achieve the effect of assisting heat dissipation.
As an alternative embodiment, as shown in fig. 7, 8 and 9, a sealing assembly is further included, the sealing assembly includes a connecting pipe 32 and an embedded pipe 31, the embedded pipe 31 is fixed at the first end or the second end of the metal pipe, one end of the connecting pipe 32 is connected to the embedded pipe 31, and the other end of the connecting pipe 32 is connected to the output end or the input end of the insulating oil supply device.
In this embodiment, the embedded pipe 31 and the connection pipe 32 allow the insulating oil to stably pass through the connection position between the metal pipe and the insulating oil supply device, thereby preventing oil leakage.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention.
Claims (9)
1. A transformer, comprising: a magnetic core assembly, a coil assembly, and an insulating oil supply device, wherein,
the coil assembly is formed by winding a metal tube with conductive performance, and is sleeved on the periphery of the magnetic core assembly;
the first end of the metal pipe is connected with the output end of the insulating oil supply device, the second end of the metal pipe is connected with the input end of the insulating oil supply device, and the insulating oil supply device is used for supplying insulating oil to pass through the metal pipe.
2. The transformer of claim 1, wherein the coil assembly comprises a first coil and a second coil, the first coil is sleeved on a first region of the outer periphery of the magnetic core assembly, the second coil is sleeved on a second region of the outer periphery of the magnetic core assembly, and the first region and the second region are adjacent;
the first coil is used for inputting voltage, and the second coil is used for outputting voltage.
3. The transformer according to claim 2, wherein an outer wall of the first coil is provided with an insulating sleeve, and a surface of the second coil is provided with an insulating sleeve.
4. The transformer of claim 2, wherein an insulating layer is attached between the first coil and the second coil.
5. The transformer of any of claims 2-4, wherein the core assembly comprises a first set of cores and a second set of cores, the first set of cores and the second set of cores being connected to form a closed magnetic circuit, the first coil being wound around the first set of cores and the second coil being wound around the second set of cores.
6. The transformer of claim 5, further comprising a first cover plate and a second cover plate, wherein the first cover plate is fixed on the side of the first magnetic core group away from the second magnetic core group, and the second cover plate is fixed on the side of the second magnetic core group away from the first magnetic core group;
the first cover plate and the second cover plate are fixedly connected through bolts.
7. The transformer of claim 6, wherein the first cover plate is provided with a plurality of through holes and the second cover plate is provided with a plurality of through holes.
8. The transformer of claim 6, wherein a side of the first cover plate away from the first magnetic core assembly is provided with a first heat sink, and a side of the second cover plate away from the second magnetic core assembly is provided with a second heat sink.
9. The transformer of claim 1, further comprising a sealing assembly, wherein the sealing assembly comprises a connecting pipe and an embedded pipe, the embedded pipe is fixed at the first end or the second end of the metal pipe, one end of the connecting pipe is connected with the embedded pipe, and the other end of the connecting pipe is connected with an output end or an input end of the insulating oil supply device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221312643.6U CN217640902U (en) | 2022-05-17 | 2022-05-17 | Transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221312643.6U CN217640902U (en) | 2022-05-17 | 2022-05-17 | Transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217640902U true CN217640902U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221312643.6U Active CN217640902U (en) | 2022-05-17 | 2022-05-17 | Transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217640902U (en) |
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2022
- 2022-05-17 CN CN202221312643.6U patent/CN217640902U/en active Active
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