CN214588373U - Three-phase magnetic integrated structure and power equipment - Google Patents
Three-phase magnetic integrated structure and power equipment Download PDFInfo
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- CN214588373U CN214588373U CN202120755236.1U CN202120755236U CN214588373U CN 214588373 U CN214588373 U CN 214588373U CN 202120755236 U CN202120755236 U CN 202120755236U CN 214588373 U CN214588373 U CN 214588373U
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Abstract
The utility model discloses a three-phase magnetic integrated structure, which comprises an upper yoke, a lower yoke and a middle post; the middle columns are multiple and comprise three-phase power columns and bypass zero sequence columns; the three-phase power column is wound with a winding, and two ends of the three-phase power column are respectively connected with the upper yoke and the lower yoke; wherein, the both ends of bypass zero sequence post are connected respectively in the tip of upper yoke and the tip of lower yoke, and bypass zero sequence post is the arc. The utility model provides an among the three-phase magnetism integrated configuration, bypass zero sequence post is the arc, can only bend into the arc with the strip raw materials when preparing and range upon range of arrange the multilayer can, need not additionally to cut the raw materials, avoid the raw materials extravagant. The utility model discloses still disclose the power equipment of using above-mentioned three-phase magnetism integrated configuration, can practice thrift bypass zero sequence post raw materials, reduce cost.
Description
Technical Field
The utility model relates to a mechanical industry technical field, more specifically say, relate to a three-phase magnetism integrated configuration, still relate to a power equipment.
Background
The three-phase magnetic integrated structure is widely applied to power equipment such as a power frequency transformer, a high-frequency inversion reactor and the like, and has the advantages of high space utilization rate, compact structure and low cost.
Referring to fig. 1, the conventional three-phase magnetic integrated structure includes an upper yoke 1, a lower yoke 4 and a center pillar; the middle column comprises a bypass zero sequence column 2 and a three-phase power column; a winding 3 is arranged outside the three-phase power column; the bypass zero sequence column 2 is arranged between two adjacent three-phase power columns and is rectangular, the bypass zero sequence column 2 is made of high-conductivity rectangular metal strips such as nanocrystalline/amorphous metal strips, strip raw materials are wound into a ring during preparation, then the multilayer ring is extruded into a strip shape, two ends of the strip-shaped structure are arc-shaped, and finally the two arc-shaped ends of the strip-shaped structure are cut off and polished to be insulated, and then only the rectangle is reserved, so that a cuboid bypass zero sequence column product is formed, raw material waste is caused, and the cost is high.
In addition, in the existing three-phase magnetic integrated structure, the upper yoke 1, the lower yoke 4 and the middle column are respectively separated from each other, and the upper yoke 1 is multiple, and all parts need to be bonded into a whole during assembly, so that the assembly process is complicated and inconvenient to operate. Moreover, the preparation process of the bypass zero sequence column 2 is complicated, and the production cost is increased.
Therefore, how to solve the problem of raw material waste in the production process of the bypass zero sequence column in the existing three-phase magnetic integrated structure is a problem to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a three-phase magnetism integrated configuration, its bypass zero sequence post is the arc, only need make the strip raw materials bend into the arc during preparation and range upon range of arrange the multilayer can, need not additionally to cut the raw materials, avoid the raw materials extravagant. The utility model also provides an use the power equipment of above-mentioned three-phase magnetism integrated configuration, can practice thrift bypass zero sequence post raw materials, reduce cost.
In order to achieve the above object, the utility model provides a following technical scheme:
a three-phase magnetic integrated structure comprises an upper yoke, a lower yoke and a center pillar; the middle columns are multiple and comprise three-phase power columns and bypass zero sequence columns; a winding is wound outside the three-phase power column, and two ends of the three-phase power column are respectively connected with the upper yoke and the lower yoke;
the two ends of the bypass zero sequence column are respectively connected to the end part of the upper yoke and the end part of the lower yoke, and the bypass zero sequence column is arc-shaped.
Preferably, in the three-phase magnetic integrated structure, the central pillars are sequentially arranged along a preset direction; the preset direction is parallel to the direction from the end part of the bypass zero sequence column to the other end in the upper yoke.
Preferably, in the three-phase magnetic integrated structure, there is one bypass zero-sequence column; or, there are two bypass zero sequence columns, and one end of each of the two bypass zero sequence columns is connected to two opposite ends of the upper yoke, and the other end of each of the two bypass zero sequence columns is connected to two opposite ends of the lower yoke.
Preferably, in the three-phase magnetic integrated structure, there are three-phase power columns, and axes of the three-phase power columns are parallel to each other; and the axis of each three-phase power column is respectively vertical to the preset direction.
Preferably, in the three-phase magnetic integrated structure, the upper yoke, the lower yoke and the bypass zero-sequence column are of an integrated magnetic structure.
Preferably, in the three-phase magnetic integrated structure, there is one upper yoke and one lower yoke;
the number of the bypass zero sequence columns is two, and the bypass zero sequence columns are distributed at two opposite ends of the upper yoke; or
The bypass zero sequence column is one, and the upper yoke, the lower yoke and the bypass zero sequence column form a C-shaped integrated magnetic structure.
Preferably, in the three-phase magnetic integrated structure, there are two upper yokes, two lower yokes and two bypass zero-sequence columns respectively, and the two upper yokes, the two lower yokes and the two bypass zero-sequence columns are connected to form two integrated magnetic structures; the free ends of the upper yokes and the free ends of the lower yokes of the two integrated magnetic structures are connected with each other.
Preferably, in the three-phase magnetic integrated structure, the bypass zero-sequence column includes an upper portion and a lower portion that are separated from each other, the upper portion and the upper yoke are of an integrated structure, the lower portion and the lower yoke are of an integrated structure, and a free end of the upper portion is connected to a free end of the lower portion.
Preferably, in the three-phase magnetic integrated structure, the bypass zero-sequence column and the upper yoke or the lower yoke are of an integrated structure.
Preferably, in the three-phase magnetic integrated structure, there is one bypass zero-sequence column; or
The number of the bypass zero-sequence columns is two, the first bypass zero-sequence column and the upper yoke are of an integrated structure, and the second bypass zero-sequence column and the lower yoke are of an integrated structure; the free end of the upper yoke is connected with the free end of the second bypass zero sequence column; and the free end of the lower yoke is connected with the free end of the first bypass zero sequence column.
A power device comprises a three-phase magnetic integrated structure, wherein the three-phase magnetic integrated structure is the three-phase magnetic integrated structure in any one of the technical schemes.
The utility model provides a three-phase magnetic integrated structure, which comprises an upper yoke, a lower yoke and a middle post; the middle columns are multiple and comprise three-phase power columns and bypass zero sequence columns; the three-phase power column is wound with a winding, and two ends of the three-phase power column are respectively connected with the upper yoke and the lower yoke; wherein, the both ends of bypass zero sequence post are connected respectively in the tip of upper yoke and the tip of lower yoke, and bypass zero sequence post is the arc.
The utility model provides an among the three-phase magnetism integrated configuration, bypass zero sequence post is the arc, can only bend into the arc with the strip raw materials when preparing and range upon range of arrange the multilayer can, need not additionally to cut the raw materials, avoid the raw materials extravagant.
Meanwhile, in the three-phase magnetic integrated structure provided by the embodiment, two ends of the bypass zero-sequence column are respectively connected to the end part of the upper yoke and the end part of the lower yoke, so that the bypass zero-sequence column is conveniently connected with the upper yoke and the lower yoke, and the phenomenon that the arc-shaped bypass zero-sequence column occupies too much assembly volume due to arrangement between the adjacent three-phase power columns is avoided, so that the whole three-phase magnetic integrated structure can be arranged in a more compact form, and the volume is reduced.
The utility model also provides an electrical equipment of using above-mentioned three-phase magnetism integrated configuration can practice thrift bypass zero sequence post raw materials, reduce cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 creative efforts.
FIG. 1 is a schematic structural diagram of a three-phase magnetic integrated structure in the prior art;
fig. 2 is a schematic structural diagram of a first three-phase magnetic integrated structure according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second three-phase magnetic integrated structure according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a third three-phase magnetic integrated structure provided in the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a fourth three-phase magnetic integrated structure provided in the embodiment of the present invention;
fig. 6 is a schematic structural diagram of a fifth three-phase magnetic integrated structure provided in the embodiment of the present invention;
fig. 7 is a schematic structural diagram of a sixth three-phase magnetic integrated structure provided in the embodiment of the present invention;
fig. 8 is a schematic structural diagram of a seventh three-phase magnetic integrated structure according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of an eighth three-phase magnetic integrated structure according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a ninth three-phase magnetic integrated structure according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of a tenth three-phase magnetic integrated structure provided in the embodiment of the present invention;
fig. 12 is a schematic structural diagram of a tenth three-phase magnetic integrated structure according to an embodiment of the present invention;
wherein, in fig. 2-12:
a bypass zero sequence column 101; an upper portion 111; a lower portion 112; a three-phase power column 102; an upper yoke 103; a winding 104; a lower yoke 105.
Detailed Description
The embodiment of the utility model discloses three-phase magnetism integrated configuration, its bypass zero sequence post is the arc, only need make the strip raw materials curved into the arc during preparation and range upon range of arrange the multilayer can, need not additionally to cut the raw materials, avoid the raw materials extravagant. The utility model discloses the implementation class still discloses an electrical equipment who uses above-mentioned three-phase magnetism integrated configuration, can practice thrift bypass zero sequence post raw materials, reduce cost.
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 only some embodiments of the present invention, not all embodiments. 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. 2-12, an embodiment of the present invention provides a three-phase magnetic integrated structure, which includes an upper yoke 103, a lower yoke 105 and a center pillar; the middle columns are multiple and comprise a three-phase power column 102 and a bypass zero sequence column 101; a winding 104 is wound outside the three-phase power column 102, and two ends of the three-phase power column 102 are respectively connected with an upper yoke 103 and a lower yoke 105; wherein, both ends of the bypass zero sequence column 101 are respectively connected to the end of the upper yoke 103 and the end of the lower yoke 105, and the bypass zero sequence column 101 is arc-shaped.
In the three-phase magnetic integrated structure that this embodiment provided, bypass zero sequence post 101 is the arc, can only bend into the arc with the strip raw materials and range upon range of the multilayer of arranging when preparing can, compare in current cuboid bypass zero sequence post, need not additionally cut the raw materials in the preparation process, avoid the raw materials extravagant, practice thrift the cost.
Meanwhile, in the three-phase magnetic integrated structure provided by the embodiment, two ends of the bypass zero-sequence column 101 are respectively connected to the end portion of the upper yoke 103 and the end portion of the lower yoke 105, so that the bypass zero-sequence column 101 is conveniently connected with the upper and lower yokes 105, and the phenomenon that the arc-shaped bypass zero-sequence column 101 occupies too much assembly volume due to being arranged between the adjacent three-phase power columns 102 is avoided, so that the whole three-phase magnetic integrated structure can be arranged in a more compact form, and the volume is reduced.
In the three-phase magnetic integrated structure, the central columns are sequentially arranged along a preset direction; the predetermined direction is parallel to a direction from the end of the connecting bypass zero-sequence column 101 to the other end (the other end opposite to the end of the connecting bypass zero-sequence column 101) in the upper yoke 103.
The number of the bypass zero sequence columns 101 may be one, and two bypass zero sequence columns 101 may be provided, and one end of each of the two bypass zero sequence columns 101 is connected to two opposite ends of the upper yoke 103, and the other end of each of the two bypass zero sequence columns 101 is connected to two opposite ends of the lower yoke 105.
The three-phase power column 102 is plural, and each three-phase power column 102 is arranged adjacent to each other in turn. Specifically, three-phase power columns 102 are provided, and the axes of the three-phase power columns 102 are parallel to each other; the axis of each three-phase power column 102 is perpendicular to the preset direction.
Preferably, in the above embodiment, the bypass zero sequence column 101 is integrally connected with the upper yoke 103 and/or the lower yoke 105, so that the integrally connected components are simultaneously prepared by using a strip raw material (amorphous magnetic core strip), the preparation efficiency is improved, and the assembly efficiency is improved by avoiding the bonding and assembling after the components are prepared into separate bodies.
The scheme that the bypass zero sequence column 101, the upper yoke 103 and the lower yoke 105 are connected into a whole is described as follows:
1. the upper yoke 103 and the lower yoke 105 may be provided as one; the two bypass zero sequence columns 101 can be arranged and distributed at two opposite ends of the upper yoke and the lower yoke, so that the upper yoke 103, the lower yoke 105 and the bypass zero sequence columns 101 form a closed annular integrated magnetic structure, as shown in fig. 2; during preparation, a user can directly wind the strip material into a multi-layer ring shape with two arc-shaped ends, so that the production and the manufacture are convenient. The bypass zero sequence column 101 can also be set to be one, and correspondingly, the upper yoke 103, the lower yoke 105 and the bypass zero sequence column 101 form a C-shaped integrated magnetic structure, as shown in fig. 3.
2. The upper yoke 103, the lower yoke 105 and the bypass zero-sequence column 101 can also be respectively provided with two parts and connected to form two integrated magnetic structures (each integrated magnetic structure comprises an upper yoke 103, a bypass zero-sequence column 101 and a lower yoke 105); the free ends of the upper yokes 103 and the lower yokes 105 of the two integrated magnetic structures are connected to each other (which may be configured to be bonded) and the free ends of the yokes are connected to each other (which may be configured to be bonded) as shown in fig. 4.
3. The bypass zero-sequence column 101 may further include an upper portion 111 and a lower portion 112 that are separated from each other, the upper portion 111 and the upper yoke 103 are formed as an integral structure, the lower portion 112 and the lower yoke 105 are formed as an integral structure, and a free end of the upper portion 111 and a free end of the lower portion 112 are connected to each other, as shown in fig. 5-6.
The bypass zero sequence column 101 can also be configured to be an integrated structure with the upper yoke 103 or an integrated structure with the lower yoke 105:
1. the bypass zero-sequence column 101 is provided as one, and the bypass zero-sequence column 101 is connected with the upper yoke 103 as shown in fig. 9, or the bypass zero-sequence column 101 is connected with the lower yoke 105 as shown in fig. 10.
2. The number of the bypass zero-sequence columns 101 is two, and the first bypass zero-sequence column and the upper yoke 103 are of an integrated structure, and the second bypass zero-sequence column and the lower yoke 105 are of an integrated structure, as shown in fig. 7; a free end of the upper yoke 103 (which is opposite to the end of the upper yoke 103 connected to the first bypass zero sequence column) is connected to a free end of the second bypass zero sequence column 101 (which is opposite to the end of the second bypass zero sequence column 101 connected to the lower yoke 105); the free end of the lower yoke 105, which is opposite to the end of the lower yoke 105 connected to the second bypass zero sequence column, is connected to the free end of the first bypass zero sequence column 101, which is opposite to the end of the first bypass zero sequence column 101 connected to the upper yoke 103. The first and second bypass zero sequence columns may be connected to the lower yoke 105 (as shown in fig. 8) or connected to the upper yoke 103, respectively, which is not limited in this embodiment.
The bypass zero-sequence column 101 may also be configured to be separated from the upper yoke 103 and the lower yoke 105, as shown in fig. 11 and 12, the connection form between the bypass zero-sequence column 101 and the upper yoke 103 and the lower yoke 105 is not limited in this embodiment.
In the above description, any two parts of the center pillar, the upper yoke 103, and the lower yoke 105 that are separated from each other may be connected by bonding or other connection methods that do not affect the magnetic conduction, and the embodiment is not limited thereto.
In the three-phase magnetic integrated structure, the bypass zero sequence column 101 can be integrally formed with the upper yoke 103 and/or the lower yoke 105, which is beneficial to mass production and reduces production cost.
The embodiment of the utility model provides a still provide a power equipment, including three-phase magnetism integrated configuration, three-phase magnetism integrated configuration is the three-phase magnetism integrated configuration that above-mentioned embodiment provided.
The power equipment provided by the embodiment adopts the three-phase magnetic integrated structure provided by the embodiment, so that the bypass zero sequence column raw material can be saved, and the cost is reduced. Of course, the power device provided in this embodiment also has other effects related to the three-phase magnetic integrated structure provided in the above embodiments, and details are not described herein again.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (11)
1. A three-phase magnetic integrated structure is characterized by comprising an upper yoke, a lower yoke and a middle column; the middle columns are multiple and comprise three-phase power columns and bypass zero sequence columns; a winding is wound outside the three-phase power column, and two ends of the three-phase power column are respectively connected with the upper yoke and the lower yoke;
the two ends of the bypass zero sequence column are respectively connected to the end part of the upper yoke and the end part of the lower yoke, and the bypass zero sequence column is arc-shaped.
2. The three-phase magnetic integrated structure according to claim 1, wherein the central pillars are sequentially arranged along a preset direction; the preset direction is parallel to the direction from the end part of the bypass zero sequence column to the other end in the upper yoke.
3. The three-phase magnetic integrated structure according to claim 2, wherein the bypass zero sequence column is one; or, there are two bypass zero sequence columns, and one end of each of the two bypass zero sequence columns is connected to two opposite ends of the upper yoke, and the other end of each of the two bypass zero sequence columns is connected to two opposite ends of the lower yoke.
4. The three-phase magnetic integrated structure according to claim 2, wherein the number of the three-phase power columns is three, and axes of the three-phase power columns are parallel to each other; and the axis of each three-phase power column is respectively vertical to the preset direction.
5. The three-phase magnetic integrated structure according to claim 1, wherein the upper yoke, the lower yoke and the bypass zero sequence column are an integrated magnetic structure.
6. The three-phase magnetic integrated structure according to claim 5, wherein the upper yoke and the lower yoke are one each;
the number of the bypass zero sequence columns is two, and the bypass zero sequence columns are distributed at two opposite ends of the upper yoke; or
The bypass zero sequence column is one, and the upper yoke, the lower yoke and the bypass zero sequence column form a C-shaped integrated magnetic structure.
7. The three-phase magnetic integrated structure according to claim 5, wherein the upper yoke, the lower yoke and the bypass zero sequence column are respectively two and connected to form two integrated magnetic structures; the free ends of the upper yokes and the free ends of the lower yokes of the two integrated magnetic structures are connected with each other.
8. The three-phase magnetic integrated structure according to claim 5, wherein the bypass zero-sequence column comprises an upper portion and a lower portion which are separated from each other, the upper portion is of an integral structure with the upper yoke, the lower portion is of an integral structure with the lower yoke, and a free end of the upper portion is connected with a free end of the lower portion.
9. The three-phase magnetic integrated structure of claim 1, wherein the bypass zero sequence column is an integral structure with the upper yoke or with the lower yoke.
10. The three-phase magnetic integrated structure according to claim 9, wherein the bypass zero sequence column is one; or
The number of the bypass zero-sequence columns is two, the first bypass zero-sequence column and the upper yoke are of an integrated structure, and the second bypass zero-sequence column and the lower yoke are of an integrated structure; the free end of the upper yoke is connected with the free end of the second bypass zero sequence column; and the free end of the lower yoke is connected with the free end of the first bypass zero sequence column.
11. An electrical power apparatus comprising a three-phase magnetic integrated structure, wherein the three-phase magnetic integrated structure is according to any one of claims 1 to 10.
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| CN202120755236.1U CN214588373U (en) | 2021-04-13 | 2021-04-13 | Three-phase magnetic integrated structure and power equipment |
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| CN202120755236.1U CN214588373U (en) | 2021-04-13 | 2021-04-13 | Three-phase magnetic integrated structure and power equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023116617A1 (en) * | 2021-12-24 | 2023-06-29 | 华为数字能源技术有限公司 | Magnetic element, inductor, inductive assembly, and electronic device |
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- 2021-04-13 CN CN202120755236.1U patent/CN214588373U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023116617A1 (en) * | 2021-12-24 | 2023-06-29 | 华为数字能源技术有限公司 | Magnetic element, inductor, inductive assembly, and electronic device |
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