CN209822445U - Novel three-dimensional wound core and transformer thereof - Google Patents
Novel three-dimensional wound core and transformer thereof Download PDFInfo
- Publication number
- CN209822445U CN209822445U CN201920672300.2U CN201920672300U CN209822445U CN 209822445 U CN209822445 U CN 209822445U CN 201920672300 U CN201920672300 U CN 201920672300U CN 209822445 U CN209822445 U CN 209822445U
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- iron core
- core
- iron
- bottom plate
- concave
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 107
- 229910052742 iron Inorganic materials 0.000 claims description 15
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000001965 increasing effect Effects 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
The utility model discloses a novel three-dimensional wound core and a transformer thereof, comprising 3 same core frames, wherein each core frame comprises a bottom plate and side plates which are integrally formed at the two sides of the bottom plate, the included angles between the surfaces of the bottom plate and the side plates are the same and form a concave surface, and the side plates of the 3 core frames are spliced two by two to form an iron core; 3 same iron core single frames are arranged in 3 concave molded surfaces of the iron core to form a three-dimensional wound iron core, concave windows with the window sizes gradually reduced towards the center are arranged in the iron core single frames, and the window opening directions of the concave windows are consistent with the opening directions of the concave molded surfaces. The iron core is added in the middle of the single frame, so that the whole cross street area of the wound iron core is increased, and the height of the wound iron core is effectively controlled.
Description
Technical Field
The utility model relates to a power equipment field, in particular to novel three-dimensional book iron core and transformer thereof.
Background
For a transformer, a three-dimensional wound core is an indispensable component, most of the existing three-dimensional wound cores are formed by splicing three identical iron core single frames which are continuously wound by silicon steel sheets, and although the basic requirements of the transformer can be met, the existing three-dimensional wound cores are low in space utilization rate, and when no-load loss needs to be reduced, the total height of the three-dimensional wound core can be increased inevitably by increasing the cross sectional area of the iron core single frame, so that the production cost is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a novel three-dimensional book iron core and transformer thereof, can reduce unshakable in one's determination's total height under the condition of the cross-sectional area that keeps unshakable in one's determination, reduce manufacturing cost.
According to the utility model discloses a first aspect provides a novel three-dimensional book iron core, include: the iron core comprises 3 identical iron core frames, wherein each iron core frame comprises a bottom plate and two side plates, the two side plates are integrally formed on two sides of the bottom plate respectively, included angles between the surface of the bottom plate and the surfaces of the side plates on the two sides are identical and form a concave surface, and the 3 identical iron core frames are spliced with each other in pairs in the direction that the concave surface faces outwards to form iron cores; the iron core single frame is provided with a concave window with the windowing size gradually reduced towards the center, and the windowing direction of the concave window is consistent with the opening direction of the concave surface.
The utility model provides a novel three-dimensional book iron core has following beneficial effect at least: the side plates of the 3 iron core frames are spliced into iron cores in pairs to form 3 concave molded surfaces with the same size, and the 3 concave molded surfaces are respectively provided with an iron core single frame to form a rolled iron core. Compared with the prior art, the iron core can be added in the iron core single frame, so that the rolled iron core only needs to increase the thickness of the iron core when the cross section area needs to be increased, the total height of the iron core is effectively reduced, and the no-load loss and the no-load current of the iron core are reduced. Meanwhile, the iron core frames are spliced two by two to form the star-shaped iron core, so that the space between the iron core single frames is effectively utilized, and a structural basis is provided for shortening the circulation distance of the magnetic flux in the iron core.
According to the utility model provides a novel three-dimensional book is unshakable in one's determination, single frame unshakable in one's determination includes the indisputable yoke and install in single frame in the indisputable yoke, the indisputable yoke is trapezoidal platform structure, single frame install in go to the bottom of indisputable yoke. Structurally, the yoke provides the structural foundation for two liang of concatenations of 3 iron core frames for trapezoidal platform structure, and both sides are different in size after avoiding the concatenation.
According to the utility model provides a novel three-dimensional book is unshakable in one's determination, the length of the upper base of indisputable yoke with the width of bottom plate is the same, contained angle between the side of indisputable yoke and the upper base with contained angle between bottom plate and the curb plate is the same. From the structural point of view, the length of the shorter side of the iron yoke is equal to the width of the bottom plate, so that the iron yoke can be installed in the bottom plate.
According to the utility model provides a novel three-dimensional wound core, the single frame is formed by the coiling of silicon steel sheet material area. The structure can be simplified, and the cost can be reduced.
According to the utility model provides a novel three-dimensional book is unshakable in one's determination, the center of bottom plate is provided with iron core window, the size of iron core window with the minimum windowing size of concave type window is the same. In terms of structure, the iron core window is an indispensable structure in the wound iron core, so that the concave window and the iron core window have the same size, and normal magnetic flux can be ensured.
According to the utility model provides a novel three-dimensional book is unshakable in one's determination, the wire casing that is used for placing the coil that 3 bottom plates unshakable in one's determination enclose, the wire casing is the equilateral triangle cylinder. Structurally, the coil is ensured to be placed, and the cross-sectional area of the wound core is increased.
According to the utility model discloses a second aspect provides a transformer, including the aforesaid novel three-dimensional book iron core. Effectively saving the volume of the transformer and reducing the height of the transformer.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
fig. 1 is a schematic structural view of a novel three-dimensional wound core according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of an iron core single frame according to an embodiment of the present invention;
fig. 3 is a plan view of an iron core single frame according to an embodiment of the present invention;
fig. 4 is a schematic perspective view of an iron core frame according to an embodiment of the present invention;
fig. 5 is a top view of a core frame according to an embodiment of the present invention;
fig. 6 is a three-dimensional structural view of an iron core according to an embodiment of the present invention;
fig. 7 is a plan view of an iron core according to an embodiment of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 7, an embodiment of the present invention provides a novel stereoscopic wound core, including: the iron core frame 21 comprises 3 identical iron core frames 21, each iron core frame 21 comprises a bottom plate 212 and two side plates 211, the two side plates 211 are respectively integrally formed on two sides of the bottom plate 212, included angles between the surface of the bottom plate 212 and the surfaces of the side plates 211 on the two sides are identical and form a concave surface, and the 3 identical iron core frames 21 are spliced with the side plates 212 in pairs in the outward direction of the concave surface to form the iron core 20; the iron core single frame is characterized by further comprising 3 same iron core single frames 10 arranged on the 203 concave molded surfaces of the iron core, wherein concave windows 13 with the window sizes gradually reduced towards the center are arranged in the iron core single frames 10, and the window opening directions of the concave windows 13 are consistent with the opening directions of the concave molded surfaces. It should be noted that, the core frames 21 may be spliced among any number, and in this embodiment, preferably 3 core frames 21 are spliced into the core 20, so as to form a three-dimensional triangular wound core, and under the condition that a triangle is not required, 4 or 5 core frames 21 may also be spliced for an actual requirement, and the angle between the bottom plate 212 and the side plate 211 may be adjusted. In addition, the two adjacent core frames 21 may be spliced in any manner, and in the present embodiment, the bottom surfaces of the two side plates 211 are preferably bonded to each other to form a star core as shown in fig. 6. It should be noted that the angle between the bottom plate 212 and the two side plates 211 is the same, which is convenient for installation. It can be understood that the single frame 11 of the single core frame 10 may be a single frame with any shape, preferably a quadrilateral with an arc-shaped vertex angle in the present embodiment, and the center is provided with a concave window 13 with a gradually decreasing window size, because the window of the single core frame is an essential component, the area of the single frame 11 can be increased by adopting the structure of the concave window 13, which is beneficial to reducing the height of the core. It should be noted that the thickness of the core 20 may be any thickness, and different thicknesses correspond to different cross-sectional areas, and are selected according to actual requirements, which is beneficial to increase the cross-sectional area while controlling the height of the core.
Referring to fig. 2 and 3, in another embodiment of the present invention, the iron core single frame 10 includes an iron yoke 12 and a single frame 11 installed in the iron yoke 12, the iron yoke 12 has a trapezoidal table structure, and the single frame 11 is installed at a lower bottom of the iron yoke 12. It should be noted that the yoke 12 may have any shape, and the trapezoidal platform structure is only preferable in this embodiment, and is advantageous for achieving connection with the core frame 21. It can be understood that the area of one side of the lower bottom of the trapezoidal table is larger, and the area for installing the core single frame 10 can be larger by adopting the arrangement that the lower bottom faces outwards.
Referring to fig. 1, in another embodiment of the present invention, the length of the upper bottom of the yoke 12 is the same as the width of the bottom plate 212, and the included angle between the side surface of the yoke 12 and the upper bottom is the same as the included angle between the bottom plate 212 and the side plate 211. It can be understood that, keeping the included angle between the side plate and the shorter side of the iron yoke 12 the same as the included angle between the bottom plate 212 and the side plate 211 can ensure that the side plate and the side plate 211 of the iron yoke 12 can also be kept in fit connection when the shorter sides of the bottom plate 212 and the iron yoke are the same, which is beneficial to enhancing the stability of the iron core.
In another embodiment of the present invention, the single frame 11 is formed by winding a silicon steel sheet. It should be noted that the single frame 11 is formed by winding a silicon steel sheet material strip, which is beneficial to manufacturing the single frame 11 into any shape.
Referring to fig. 2 and 4, in another embodiment of the present invention, a core window 213 is disposed in the center of the bottom plate 212, and the size of the core window 213 is the same as the minimum opening size of the concave window 13. It should be noted that the core window 213 may be smaller than the concave window 13, or may be the same, and this embodiment is preferably the same, so as to avoid the influence on the normal operation of the wound core after the core 20 is added.
In another embodiment of the present invention, the wire slot 22 for placing the coil is defined by 3 bottom plates 212 of the iron core 20, and the wire slot 22 is an equilateral triangle cylinder. It should be noted that the size of the wire slot 22 may be determined according to actual requirements, and it is sufficient to place the coil.
The utility model also provides a transformer in another embodiment, including above-mentioned novel three-dimensional book iron core. Effectively saving the volume of the transformer and reducing the height of the transformer.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
The utility model discloses a novel three-dimensional wound core and a transformer thereof, comprising 3 same core frames, wherein each core frame comprises a bottom plate and side plates which are integrally formed at the two sides of the bottom plate, the included angles between the surfaces of the bottom plate and the side plates are the same and form a concave surface, and the side plates of the 3 core frames are spliced two by two to form an iron core; 3 same iron core single frames are arranged in 3 concave molded surfaces of the iron core to form a three-dimensional wound iron core, concave windows with the window sizes gradually reduced towards the center are arranged in the iron core single frames, and the window opening directions of the concave windows are consistent with the opening directions of the concave molded surfaces. The iron core is added in the middle of the single frame, so that the whole cross street area of the wound iron core is increased, and the height of the wound iron core is effectively controlled.
Claims (7)
1. A novel three-dimensional wound core is characterized by comprising: the iron core comprises 3 identical iron core frames, wherein each iron core frame comprises a bottom plate and two side plates, the two side plates are integrally formed on two sides of the bottom plate respectively, included angles between the surface of the bottom plate and the surfaces of the side plates on the two sides are identical and form a concave surface, and the 3 identical iron core frames are spliced with each other in pairs in the direction in which the concave surface faces outwards to form iron cores;
the iron core single frame is provided with a concave window with the windowing size gradually reduced towards the center, and the windowing direction of the concave window is consistent with the opening direction of the concave surface.
2. The novel stereoscopic wound core according to claim 1, characterized in that: the iron core single frame comprises an iron yoke and a single frame arranged in the iron yoke, the iron yoke is of a trapezoidal table structure, and the single frame is arranged at the lower bottom of the iron yoke.
3. The novel stereoscopic wound core according to claim 2, characterized in that: the length of the upper bottom of the iron yoke is the same as the width of the bottom plate, and the included angle between the side face of the iron yoke and the upper bottom is the same as the included angle between the bottom plate and the side plate.
4. The novel stereoscopic wound core according to claim 2, characterized in that: the single frame is formed by winding a silicon steel sheet material strip.
5. The novel stereoscopic wound core according to claim 1, characterized in that: the center of the bottom plate is provided with an iron core window, and the size of the iron core window is the same as the minimum windowing size of the concave window.
6. The novel stereoscopic wound core according to claim 1, characterized in that: and the wire grooves are formed by 3 bottom plates of the iron core and used for placing coils, and the wire grooves are equilateral triangle cylinders.
7. A transformer, characterized by: comprising a novel solid wound core according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920672300.2U CN209822445U (en) | 2019-05-10 | 2019-05-10 | Novel three-dimensional wound core and transformer thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920672300.2U CN209822445U (en) | 2019-05-10 | 2019-05-10 | Novel three-dimensional wound core and transformer thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209822445U true CN209822445U (en) | 2019-12-20 |
Family
ID=68883182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920672300.2U Withdrawn - After Issue CN209822445U (en) | 2019-05-10 | 2019-05-10 | Novel three-dimensional wound core and transformer thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209822445U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110136935A (en) * | 2019-05-10 | 2019-08-16 | 海鸿电气有限公司 | A kind of novel solid rewinding material |
| CN116313472A (en) * | 2023-01-16 | 2023-06-23 | 合肥德珑电子科技有限公司 | Manufacturing method of low-loss distribution transformer iron core |
-
2019
- 2019-05-10 CN CN201920672300.2U patent/CN209822445U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110136935A (en) * | 2019-05-10 | 2019-08-16 | 海鸿电气有限公司 | A kind of novel solid rewinding material |
| CN110136935B (en) * | 2019-05-10 | 2023-12-29 | 海鸿电气有限公司 | Novel three-dimensional wound core |
| CN116313472A (en) * | 2023-01-16 | 2023-06-23 | 合肥德珑电子科技有限公司 | Manufacturing method of low-loss distribution transformer iron core |
| CN116313472B (en) * | 2023-01-16 | 2024-02-20 | 合肥德珑电子科技有限公司 | Manufacturing method of low-loss distribution transformer iron core |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191220 Effective date of abandoning: 20231229 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20191220 Effective date of abandoning: 20231229 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |