CN220020824U - Three-phase four-column magnetic integrated inductor - Google Patents
Three-phase four-column magnetic integrated inductor Download PDFInfo
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- CN220020824U CN220020824U CN202321345561.6U CN202321345561U CN220020824U CN 220020824 U CN220020824 U CN 220020824U CN 202321345561 U CN202321345561 U CN 202321345561U CN 220020824 U CN220020824 U CN 220020824U
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- 239000000463 material Substances 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000011863 silicon-based powder Substances 0.000 claims abstract description 4
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000004593 Epoxy Substances 0.000 claims description 10
- 229910000519 Ferrosilicon Inorganic materials 0.000 claims description 7
- 230000017525 heat dissipation Effects 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010894 electron beam technology Methods 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 239000002210 silicon-based material Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a three-phase four-column magnetic integrated inductor, which comprises a framework, an iron core group and coils, wherein the iron core group comprises an upper cover plate magnetic core, a lower cover plate magnetic core, a middle column integrated magnetic core and three middle column magnetic cores, a plurality of coils are respectively sleeved on the middle column magnetic cores, the three middle column magnetic cores are annularly arranged on the outer sides of the middle column integrated magnetic cores, the upper cover plate magnetic cores are arranged at the tops of the middle column integrated magnetic cores and the middle column magnetic cores, and the lower cover plate magnetic cores are arranged at the bottoms of the middle column integrated magnetic cores and the middle column magnetic cores; the upper cover plate magnetic core, the lower cover plate magnetic core, the middle column magnetic core and the middle column integrated magnetic core are all made of iron silicon powder materials. According to the utility model, the three center pillar magnetic cores are annularly arranged at the outer sides of the center pillar integrated magnetic cores, a triangular structure can be formed, and the coils are sleeved on the three center pillar magnetic cores, so that the three center pillar magnetic cores form a three-phase balance structure, the heat dissipation efficiency of the three-phase coils is improved, the heat dissipation is more uniform, and the problem of poor heat dissipation effect of the traditional three-phase integrated inductor is solved.
Description
Technical Field
The utility model relates to the technical field of integrated inductors, in particular to a three-phase four-column magnetic integrated inductor.
Background
At present, along with the mature application of high-power inductors in solar photovoltaic inverters, charging piles, UPS (uninterrupted Power supply) and energy storage devices, the high-power three-phase integrated inductor has enough advantages in performance. But the traditional three-phase integrated inductor has the problems of large volume and high material cost, and also has the problems of poor heat dissipation effect and high noise of the whole machine.
Disclosure of Invention
The utility model aims to provide a three-phase four-column magnetic integrated inductor, wherein three middle column magnetic cores are annularly arranged on the outer sides of the middle column integrated magnetic cores, a triangular structure can be formed, and the three middle column magnetic cores can share one middle column integrated magnetic core by using an integrated mode, so that most of space and materials can be saved. The coils are sleeved on the three middle column magnetic cores, so that the three middle column magnetic cores form a three-phase balance structure, the heat dissipation efficiency of the three-phase coils is improved, the heat dissipation is more uniform, and the problem of poor heat dissipation effect of the traditional three-phase integrated inductor is solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a three-phase four post magnetism integrated inductance, includes skeleton, iron core group and coil, the iron core group includes upper cover plate magnetic core, lower cover plate magnetic core, center pillar integrated magnetic core and three center pillar magnetic core, a plurality of the coil overlaps respectively and locates center pillar magnetic core, three center pillar magnetic core rings are located the outside of center pillar integrated magnetic core, upper cover plate magnetic core install in center pillar integrated magnetic core with the top of center pillar magnetic core, lower cover plate magnetic core install in center pillar integrated magnetic core with the bottom of center pillar magnetic core;
the upper cover plate magnetic core, the lower cover plate magnetic core, the middle column magnetic core and the middle column integrated magnetic core are all made of a ferro-silicon powder material.
Optionally, the lateral wall of center pillar integrated magnetic core is provided with three inwards sunken arc surface, the arc surface with the coil sets up relatively, three the arc surface with three the coil one-to-one.
Optionally, the skeleton includes skeleton, lower skeleton and a plurality of bolt, go up the skeleton install in the top of upper cover plate magnetic core, the lower skeleton is installed in the bottom of lower cover plate magnetic core, the both ends vertical connection of bolt goes up skeleton and lower skeleton.
Optionally, an upper epoxy plate is disposed between the upper cover plate magnetic core and the coil, and a lower epoxy plate is disposed between the lower cover plate magnetic core and the coil.
Optionally, the center pillar magnetic core is cylindrical, and the coil is hollow cylindrical.
Optionally, both ends of the coil are connected with an electronic wire, and an end part of the electronic wire, which is far away from the coil, is connected with a terminal.
Optionally, the upper cover plate magnetic core, the lower cover plate magnetic core, the center pillar magnetic core and the center pillar integrated magnetic core all adopt ferrosilicon 75u.
Compared with the prior art, the embodiment of the utility model has the following beneficial effects:
1. the three center pillar magnetic cores are arranged on the outer sides of the center pillar integrated magnetic cores in a surrounding mode, a triangular structure can be formed, and an integrated mode is used, so that the three center pillar magnetic cores can share one center pillar integrated magnetic core, and most of space and materials can be saved. The coils are sleeved on the three middle column magnetic cores, so that the three middle column magnetic cores form a three-phase balance structure, the heat dissipation efficiency of the three-phase coils is improved, the heat dissipation is more uniform, and the problem of poor heat dissipation effect of the traditional three-phase integrated inductor is solved;
2. the side wall of the center pillar integrated magnetic core is provided with a plurality of arc surfaces, and the arc surfaces are arranged opposite to the coils, so that three coils can share the same center pillar integrated magnetic core, the inductance of three phases can be guaranteed to be completely equal, the working stability of the three-phase inductance structure is improved, the space utilization rate of products can be improved, and the cost of materials is reduced.
Drawings
FIG. 1 is a schematic diagram of a three-phase four-pole magnetically integrated inductor according to one embodiment of the present utility model;
FIG. 2 is an exploded view of a three-phase four-pole magnetically integrated inductor according to one embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a three-phase four-pole magnetically integrated inductor according to one embodiment of the present utility model;
wherein, 1, a framework; 11. an upper framework; 12. a lower skeleton; 13. a bolt; 2. an iron core group; 21. an upper cover plate magnetic core; 22. a lower cover plate magnetic core; 23. a center pillar integrated magnetic core; 230. an arc surface; 24. a center pillar magnetic core; 3. a coil; 4. an epoxy plate is arranged on the upper surface of the upper surface; 5. a lower epoxy plate; 6. an electron beam; 61. and a terminal.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly, for distinguishing between the descriptive features, and not sequentially, and not lightly.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
A three-phase four-pole magnetic integrated inductor according to an embodiment of the present utility model is described below with reference to fig. 1 to 3.
The utility model provides a three-phase four post magnetism integrated inductance, includes skeleton 1, iron core group 2 and coil 3, iron core group 2 includes upper cover plate magnetic core 21, lower apron magnetic core 22, center pillar integrated magnetic core 23 and three center pillar magnetic core 24, a plurality of coil 3 cover respectively locate center pillar magnetic core 24, three center pillar magnetic core 24 encircles the outside of locating center pillar integrated magnetic core 23, upper cover plate magnetic core 21 install in center pillar integrated magnetic core 23 and center pillar magnetic core 24's top, lower apron magnetic core 22 install in center pillar integrated magnetic core 23 and center pillar magnetic core 24's bottom;
the upper cover plate magnetic core 21, the lower cover plate magnetic core 22, the center pillar magnetic core 24 and the center pillar integrated magnetic core 23 are all made of a ferro-silicon powder material.
According to the three-phase four-column magnetic integrated inductor, the three middle column magnetic cores 24 are annularly arranged on the outer sides of the middle column integrated magnetic cores 23, a triangular structure can be formed, and the three middle column magnetic cores 24 can share the middle column integrated magnetic cores 23 in an integrated mode, so that most of space and materials can be saved. The coils 3 are sleeved on the three middle column magnetic cores 24, so that the three middle column magnetic cores 24 form a three-phase balance structure, the heat dissipation efficiency of the three-phase coils 3 is improved, and the heat dissipation is more uniform.
It is worth noting that the upper cover plate magnetic core 21, the lower cover plate magnetic core 22, the middle column magnetic core 24 and the middle column integrated magnetic core 23 are all made of iron-silicon materials, so that flatness of bonding surfaces of the upper cover plate magnetic core 21, the lower cover plate magnetic core 22, the middle column magnetic core 24 and the middle column integrated magnetic core 23 can be guaranteed, noise problems in the using process of the three-phase four-column magnetic integrated inductor are effectively improved, and the problems of lower heat dissipation efficiency and larger noise of the traditional three-phase integrated inductor are solved.
The side wall of the center pillar integrated magnetic core 23 is provided with three inward concave arc surfaces 230, the arc surfaces 230 are opposite to the coils 3, and the three arc surfaces 230 are in one-to-one correspondence with the three coils 3.
Wherein, be provided with a plurality of arc surfaces 230 at the lateral wall of center pillar integrated magnetic core 23, arc surface 230 sets up with coil 3 relatively for three coil 3 can share same center pillar integrated magnetic core 23, not only can guarantee that the inductance value of three-phase is equal completely, has improved the stability of three-phase inductance structure work, can also improve the space utilization of product, reduce the cost of material.
The framework 1 comprises an upper framework 11, a lower framework 12 and a plurality of bolts 13, wherein the upper framework 11 is installed at the top of the upper cover plate magnetic core 21, the lower framework 12 is installed at the bottom of the lower cover plate magnetic core 22, and two end parts of the bolts 13 are vertically connected with the upper framework 11 and the lower framework 12.
The upper framework 11 and the lower framework 12 can be connected by the bolts 13, so that the upper framework 11 and the lower framework 12 can clamp a plurality of parts in the iron core group 2, the installation among the parts is reduced to be not compact, and the situation of mutual separation is caused.
It is worth to say that, upper skeleton 11 and lower skeleton 12 all adopt insulating material to ensure the insulating strength of this product three-phase four post magnetism integrated inductance.
An upper epoxy plate 4 is arranged between the upper cover plate magnetic core 21 and the coil 3, and a lower epoxy plate 5 is arranged between the lower cover plate magnetic core 22 and the coil 3.
The upper epoxy plate 4 and the lower epoxy plate 5 have good insulation performance, and can insulate the coil 3 and the middle column integrated magnetic core 23, so that the insulation strength of the three-phase four-column magnetic integrated inductor is further improved.
The center pole core 24 has a cylindrical shape, and the coil 3 has a hollow cylindrical shape.
It should be noted that the vertical winding efficiency of the cylindrical vertical winding coil 3 is higher than that of the elliptical vertical winding coil 3.
Both ends of the coil 3 are connected with an electron beam 6, and the end of the electron beam 6 far away from the coil 3 is connected with a terminal 61.
The terminal 61 can connect the electronic wire 6 with external equipment, so that the three-phase four-column magnetic integrated inductor of the scheme can be applied to the external equipment.
The upper cover plate magnetic core 21, the lower cover plate magnetic core 22, the center pillar magnetic core 24 and the center pillar integrated magnetic core 23 all adopt ferrosilicon 75u.
This scheme carries out further prescribing a limit to the ferro-silicon material, and the ferro-silicon material of high u value can guarantee the roughness of the bonding surface of center pillar magnetic core 24 and center pillar integrated magnetic core 23, reduces amorphous strip and iron core group 2 bonding surface unevenness, leads to this product noise too big problem in the use.
Other configurations, etc. and operation of a three-phase four-pole magnetically integrated inductor according to embodiments of the present utility model are known to those of ordinary skill in the art and will not be described in detail herein.
In the description herein, reference to the term "embodiment," "example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The three-phase four-column magnetic integrated inductor is characterized by comprising a framework, an iron core group and coils, wherein the iron core group comprises an upper cover plate magnetic core, a lower cover plate magnetic core, a middle column integrated magnetic core and three middle column magnetic cores, a plurality of coils are respectively sleeved on the middle column magnetic cores, the three middle column magnetic cores are annularly arranged on the outer sides of the middle column integrated magnetic cores, the upper cover plate magnetic cores are arranged at the tops of the middle column integrated magnetic cores and the middle column magnetic cores, and the lower cover plate magnetic cores are arranged at the bottoms of the middle column integrated magnetic cores and the middle column magnetic cores;
the upper cover plate magnetic core, the lower cover plate magnetic core, the middle column magnetic core and the middle column integrated magnetic core are all made of a ferro-silicon powder material.
2. The three-phase four-column magnetic integrated inductor according to claim 1, wherein the side wall of the middle column magnetic core is provided with three inward concave arc surfaces, the arc surfaces are opposite to the coils, and the three arc surfaces are in one-to-one correspondence with the three coils.
3. The three-phase four-column magnetic integrated inductor according to claim 1, wherein the framework comprises an upper framework, a lower framework and a plurality of bolts, the upper framework is mounted on the top of the upper cover plate magnetic core, the lower framework is mounted on the bottom of the lower cover plate magnetic core, and two ends of the bolts are vertically connected with the upper framework and the lower framework.
4. The three-phase four-pole magnetic integrated inductor according to claim 1, wherein an upper epoxy plate is disposed between the upper cover plate magnetic core and the coil, and a lower epoxy plate is disposed between the lower cover plate magnetic core and the coil.
5. The three-phase four-pole magnetically integrated inductor of claim 1, wherein said center pole core is cylindrical and said coil is hollow cylindrical.
6. The three-phase four-pole magnetic integrated inductor according to claim 1, wherein both ends of the coil are connected with an electronic wire, and an end of the electronic wire away from the coil is connected with a terminal.
7. The three-phase four-leg magnetic integrated inductor according to claim 1, wherein the upper cover plate magnetic core, the lower cover plate magnetic core, the center leg magnetic core and the center leg integrated magnetic core are all made of iron silicon 75u.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321345561.6U CN220020824U (en) | 2023-05-30 | 2023-05-30 | Three-phase four-column magnetic integrated inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321345561.6U CN220020824U (en) | 2023-05-30 | 2023-05-30 | Three-phase four-column magnetic integrated inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220020824U true CN220020824U (en) | 2023-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321345561.6U Active CN220020824U (en) | 2023-05-30 | 2023-05-30 | Three-phase four-column magnetic integrated inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220020824U (en) |
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2023
- 2023-05-30 CN CN202321345561.6U patent/CN220020824U/en active Active
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