阅读说明：本技术 一种立体三相叠铁芯 (Three-dimensional three-phase laminated iron core ) 是由 陈金奎 邵祥彬 陈凯 王庆庆 张小兴 黄根兰 吴富珠 于 2021-01-07 设计创作，主要内容包括：本发明提供了一种立体三相叠铁芯,包括三组竖直放置的铁芯叠片,其特征在于：所述铁芯叠片包括铁芯柱、上轭组和下轭组,所述铁芯柱的数量为三个并呈等边三角形设置,所述上轭组和所述下轭组分别搭接在所述铁芯柱的上下两端,所述上轭组由若干个上轭片叠装组成,所述下轭组由若干个下轭片叠装组成,所述上轭片和所述下轭片的左右两端均向同侧翻折,所形成的翻折面与平面之间夹角为150度；可以有效降低能耗,缩短产品加工周期使,得每组铁芯叠片结构之间的搭接更紧凑,机械强度高；单位面积内,铁芯占用率更高。(The invention provides a three-dimensional three-phase laminated iron core, which comprises three groups of vertically placed iron core laminations and is characterized in that: the iron core lamination comprises three iron core columns, an upper yoke group and a lower yoke group, the number of the iron core columns is three, the three iron core columns are arranged in an equilateral triangle shape, the upper yoke group and the lower yoke group are respectively lapped at the upper end and the lower end of the iron core column, the upper yoke group is formed by stacking a plurality of upper yoke sheets, the lower yoke group is formed by stacking a plurality of lower yoke sheets, the left end and the right end of each of the upper yoke sheets and the lower yoke sheets are folded towards the same side, and an included angle between a formed folded surface and a plane is 150 degrees; the energy consumption can be effectively reduced, and the processing period of the product is shortened, so that the lap joint between each group of iron core lamination structures is more compact, and the mechanical strength is high; in unit area, the iron core occupancy rate is higher.)

1. The utility model provides a three-dimensional three-phase iron core that folds, includes three vertical iron core lamination (1) of placing of group, its characterized in that: iron core lamination (1) includes iron core post (2), upper yoke group (3) and lower yoke group (4), the quantity of iron core post (2) is three and is equilateral triangle setting, upper yoke group (3) with lower yoke group (4) overlap joint respectively the upper and lower both ends of iron core post (2), upper yoke group 3 comprises a plurality of upper yoke piece (9) closed assembly, lower yoke group (4) comprises a plurality of lower yoke piece (10) closed assembly, upper yoke piece (9) with both ends are all turned over to the homonymy and are turned over down about lower yoke piece (10), and the contained angle is 150 degrees between face of turning over that forms (5) and plane (6).

2. A three-dimensional three-phase laminated core according to claim 1, wherein: the top end and the bottom end of the iron core column (2) are respectively provided with a column notch (7) with an oblique angle of 45 degrees, and the bottom side of the upper yoke piece (9) and the top side of the lower yoke piece (10) are respectively provided with a yoke notch (8) which is coupled with the corresponding column notch (7).

3. A three-dimensional three-phase laminated core according to claim 1, wherein: the upper yoke pieces (9) and the lower yoke pieces (10) are U-like, a triangle is formed among the three groups of upper yoke pieces (9), and a triangle is formed among the three groups of lower yoke pieces (10).

Technical Field

The invention relates to a laminated iron core, in particular to a three-dimensional three-phase laminated iron core.

Background

The structure of iron core has heap and coiling formula between them in the transformer, wherein the heap is mostly planar structure, the coiling formula is mostly spatial structure, iron core silicon steel sheet is being tailor through three-dimensional three-phase book, during processes such as coiling, must bump, it is tensile, this has very big influence to the performance of silicon steel sheet, consequently, need carry out high temperature annealing, promote the performance of silicon steel sheet, through under high temperature state, further refine the silicon steel sheet magnetic domain, improve silicon steel sheet secondary recrystallization ability, thereby restore and promote the electromagnetic property of silicon steel sheet, and coiling formula high temperature annealing, can eliminate the internal stress that the silicon steel sheet produced when convoluteing.

However, such subsequent treatment of the wound core requires increased energy consumption, greatly prolongs the product processing cycle, and also allows the coil to be mounted on the core only by winding due to the structural limitation of the wound core.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the three-dimensional three-phase wound iron core silicon steel sheet needs high-temperature annealing, the energy consumption is high, the period is long, the processing mode of the coil is limited, and the three-dimensional three-phase laminated iron core provided by the invention solves the problems.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a three-dimensional three-phase iron core that folds, includes the vertical iron core lamination of placing of three groups, the iron core lamination includes iron core column, upper yoke group and lower yoke group, the quantity of iron core column is three and is equilateral triangle setting, upper yoke group with lower yoke group does not overlap joint the upper and lower both ends of iron core column, upper yoke group comprises a plurality of upper yoke piece stack, lower yoke group comprises a plurality of lower yoke piece stack, upper yoke piece with both ends are all rolled over to the homonymy down about the yoke piece, and the contained angle that turns over that forms is 150 degrees between face and the plane.

Further, the top end and the bottom end of the core limb are provided with limb notches with 45 ° oblique angles, and the bottom side of the upper yoke plate and the top side of the lower yoke plate are provided with yoke notches coupled with the corresponding limb notches.

Further, the upper yoke pieces and the lower yoke pieces are U-like, a triangle is formed among the three groups of upper yoke pieces, and a triangle is formed among the three groups of lower yoke pieces.

The three-dimensional three-phase laminated iron core has the beneficial effects that the energy consumption can be effectively reduced, and the processing period of a product is shortened, so that the lap joint between each group of iron core laminated structures is more compact, and the mechanical strength is high; in unit area, the iron core occupancy rate is higher, and the structure that can split of folding the iron core simultaneously can adopt the coil externally around establishing the mode of accomplishing the back and installing on the iron core again, has removed wire winding on the iron core from like this, has improved the specification range of mountable coil greatly.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a structural plan view of a preferred embodiment of a three-dimensional three-phase laminated iron core according to the present invention.

Fig. 2 is a front view of the upper and lower yoke plates.

Fig. 3 is a top view of the upper and lower yoke plates.

Fig. 4 is a front view of a core limb segment structure.

Fig. 5 is a plan view of a core limb segment structure.

Fig. 6 is a front view of a set of upper and lower yoke pieces and core limb assembly.

In the figure, 1, iron core laminations, 2, iron core columns, 3, upper yoke groups, 4, lower yoke groups, 5, folding surfaces, 6, planes, 7, column notches, 8, yoke notches, 9, upper yoke sheets, 10 and lower yoke sheets.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.

As shown in fig. 1-6, the present invention provides a three-dimensional three-phase laminated iron core, which comprises three groups of vertically arranged iron core laminations 1, wherein the more iron core sheets are stacked, the stronger the magnetic field intensity generated after power is turned on; the three groups of iron core laminations 1 are in butt joint with each other pairwise, each iron core lamination 1 comprises three iron core columns 2, an upper yoke group 3 and a lower yoke group 4, the three iron core columns 2 are arranged in an equilateral triangle, the upper yoke group 3 and the lower yoke group 4 are respectively lapped at the upper end and the lower end of each iron core column 2, each upper yoke group 3 is formed by stacking a plurality of upper yoke sheets 9, and each lower yoke group 4 is formed by stacking a plurality of lower yoke sheets 10; the left ends and the right ends of the upper yoke sheet 9 and the lower yoke sheet 10 of the iron core lamination sheets 1 are folded towards the same side, and the included angle between the formed folding surface 5 and the plane 6 is 150 degrees, so that the lap joint between the structures of each group of iron core lamination sheets 1 is more compact, and the mechanical strength is high; in unit area, the iron core occupancy rate is higher.

The upper yoke sheet 9 and the lower yoke sheet 10 of the iron core lamination 1 are in 45-degree oblique seam connection with the iron core column 2, the 45-degree oblique seam connection is that the top end and the bottom end of the iron core column 2 are respectively provided with a column notch 7 with a 45-degree oblique angle, and the bottom side of the upper yoke sheet 9 and the top side of the lower yoke sheet 10 are respectively provided with a yoke notch 8 which is coupled with the corresponding column notch 7; the upper yoke piece 9 and the lower yoke piece 10 of each iron core piece are connected with the iron core column 2 by 45-degree oblique seams, so that an included angle is formed between the upper yoke piece 9 and the iron core column 2 and between the lower yoke piece 10 and the iron core column 2, each iron core piece is guaranteed to be fully attached, the iron core occupancy rate in a unit area is improved, and the dead space is reduced.

Meanwhile, the upper yoke piece 9 and the lower yoke piece 10 can be separated from the iron core column 2, so that the coil after winding can be directly installed on the iron core column 2, the defect that the winding type iron core needs to arrange the iron core into a winding machine for winding due to a closed structure is avoided, and the specification range of the allowable coil is greatly increased.

The silicon steel sheets of the upper yoke sheets 9 and the lower yoke sheets 10 are turned over to form a U-like shape, every two of the turning surfaces 5 of the upper yoke sheets 9 of the three groups of iron core lamination sheets 1 are jointed, the corresponding turning surfaces 5 of the lower yoke sheets 10 are also jointed, the upper yoke sheets 9 and the lower yoke sheets 10 form an equilateral triangle, the internal angles are all 60 degrees, the upper yoke sheets 9 and the lower yoke sheets 10 are connected with the iron core columns 2 through 45-degree oblique seams, and the turning surfaces 5 of the upper yoke sheets 9 and the lower yoke sheets 10 are also jointed, so that the lap joint between the structures of each group of iron core lamination sheets 1 is more compact, and the mechanical strength is high; in unit area, the iron core occupancy rate is higher.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.