CN217061741U - Novel three-dimensional wound core and transformer - Google Patents

Abstract

The utility model discloses a novel three-dimensional wound core and a transformer, which comprises an iron core, wherein the iron core comprises a plurality of first iron core single frames, and the first iron core single frames are spliced pairwise; and the second iron core single frame is arranged in a gap of a splicing surface between any two first iron core single frames. In the embodiment of the utility model provides an in, improved the fill factor and the utilization ratio of iron core material, can reduce unshakable in one's determination's no-load loss under the condition of saving cost.

Description

Novel three-dimensional wound core and transformer

Technical Field

The utility model belongs to the technical field of the power equipment technique and specifically relates to a novel three-dimensional iron core and transformer of rolling up is related to.

Background

At present, most of traditional three-dimensional wound iron cores are formed by splicing a plurality of same silicon steel sheets or amorphous alloy strips through continuously wound iron core single frames, because of the limitation of factors such as processing technology, manufacturing level and the like, each single frame of the three-dimensional wound iron core is formed by sequentially and tightly rolling a plurality of trapezoidal silicon steel sheets or amorphous alloy strips, a frame shape with a semicircular and integrated section is formed, and because the section of the iron core is formed by a plurality of trapezoidal materials, the section of the iron core can be maximally close to a circular section, and gaps exist at the splicing surfaces between the iron core frames.

Therefore, in order to reduce the no-load loss, the conventional three-dimensional wound core needs to obtain a larger core section by increasing the diameter of the core so as to achieve the purpose of reducing the no-load loss, but the way of reducing the no-load loss increases the manufacturing cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least, provide a novel three-dimensional book iron core, improved the fill factor and the utilization ratio of material unshakable in one's determination, can be at the empty load loss who reduces unshakable in one's determination of cost-effective condition.

In a first aspect, the utility model provides a novel three-dimensional book is unshakable in one's determination, include: the iron core comprises a plurality of first iron core single frames which are spliced pairwise; and the second iron core single frame is arranged at the gap of the splicing surface between any two first iron core single frames.

The utility model provides a novel three-dimensional book iron core has following beneficial effect at least: the iron core is formed by splicing the first iron core single frames in pairs, the problem of the utilization rate of the cross section of the iron core is effectively solved, and the gaps at the splicing surfaces of the iron core single frames are fully utilized by the second iron core single frames, so that the filling coefficient and the utilization rate of the iron core are improved, and the no-load loss of the iron core is reduced under the condition of saving cost.

According to some embodiments of the utility model, first single frame unshakable in one's determination and second single frame unshakable in one's determination are twined in succession by a plurality of single frame elements and are constituteed, can save space, simplify the structure.

According to some embodiments of the utility model, the single-frame component is silicon steel sheet or amorphous alloy strip, reduction in production cost.

According to the utility model discloses a some embodiments, the quantity of first unshakable in one's determination list frame is 3 to arbitrary two are adjacent contained angle between the first unshakable in one's determination list frame is 60 degrees, and stable in structure has effectively utilized the space between the unshakable in one's determination list frame, has provided the structural foundation for shortening the magnetic flux and at the inside circulation distance unshakable in one's determination.

According to the utility model discloses a some embodiments, the quantity of second single frame unshakable in one's determination with the quantity of first single frame unshakable in one's determination is corresponding, effectively fills the amalgamation face space between the first single frame unshakable in one's determination, has improved the fill factor and the utilization ratio of iron core material.

According to the utility model discloses a some embodiments, the iron core sets up first indisputable yoke and second indisputable yoke, the single frame in second iron core is provided with the first single frame portion and the single frame portion of second that all are the form of buckling, first single frame portion with first indisputable yoke accordant connection, the single frame portion of second with second indisputable yoke accordant connection makes the single frame in second iron core be convenient for locate the space position of three-dimensional first indisputable yoke and the second indisputable yoke of rolling up.

In a second aspect, the present invention provides a transformer, including the above-mentioned novel three-dimensional wound core. Effectively saving the volume of the transformer and reducing the height of the transformer.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the technical solutions of the present invention, and are incorporated in and constitute a part of this specification, together with the embodiments of the present invention for explaining the technical solutions of the present invention, and do not constitute a limitation on the technical solutions of the present invention.

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 perspective view of a novel iron core single frame according to another embodiment of the present invention;

fig. 3 is a three-dimensional structural view of an iron core single frame according to an embodiment of the present invention;

fig. 4 is a structural view of a single core frame according to an embodiment of the present invention;

fig. 5 is a perspective view of a single iron core frame according to another embodiment of the present invention.

Reference numerals:

the iron core comprises an iron core 100, a first iron core single frame 200, a second iron core single frame 300, a main single frame 400, a first single frame part 500 and a second single frame part 600.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and 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, if there are first and second descriptions for distinguishing technical features, they are not interpreted as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1 to 5, an embodiment of the present invention provides a novel stereoscopic wound core 100, including: the iron core 100 comprises a plurality of first iron core single frames 200, the first iron core single frames 200 are spliced in pairs to form the iron core 100, the second iron core single frame 300 is arranged at the gap of the splicing surface between any two first iron core single frames 200, the first iron core single frames 200 are spliced in pairs to form the iron core 100, the problem of the utilization rate of the section of the iron core 100 is effectively solved, the gap of the splicing surface of the iron core single frames is fully utilized by the second iron core single frame 300, so that the filling coefficient and the utilization rate of the iron core 100 are improved, and the no-load loss of the iron core 100 is reduced under the condition of saving cost.

It should be noted that, when the number of the first iron core single frames 200 is 3, three first iron core single frames 200 are combined two by two to form the iron core 100 with a triangular cross-sectional area. Referring to fig. 1 and 5, in an embodiment, the first iron core single frame 200 and the second iron core single frame 300 are formed by continuously winding a plurality of single frame elements, which can save space and simplify the structure.

It should be noted that the single frame element may be processed into one or more material tapes with curved shapes, so as to facilitate bending of the first iron core single frame 200 and increase the ductility of the first iron core single frame 200.

In one embodiment, the single frame element is a silicon steel sheet or an amorphous alloy strip, so that the production cost is reduced.

In an embodiment, the number of the first core single frames 200 is 3, and an included angle between any two adjacent first core single frames 200 is 60 degrees, so that the structure is stable, the space between the core 100 single frames is effectively utilized, and a structural basis is provided for shortening the circulation distance of the magnetic flux inside the core 100.

It should be noted that, the two adjacent first iron core single frames 200 may be spliced in any manner, for example, the two adjacent first iron core single frames 200 may be spliced by locking, splicing by glue, and the like, which is not specifically required in this embodiment.

In one embodiment, the number of the second core frames 300 corresponds to the number of the first core frames 200, so that the gaps of the splicing surfaces between the first core frames 200 are effectively filled, and the filling factor and the utilization rate of the material of the core 100 are improved.

The number of the second core frames 300 corresponds to the number of the first core frames 200, and for example, when the number of the first core frames 200 is 3, the number of the second core frames 300 is also 3.

Referring to fig. 4 and 5, in an embodiment, the core 100 is provided with a first yoke (not shown) and a second yoke (not shown), and the second core frame 300 is provided with a first single frame portion 500 and a second single frame portion 600, both of which are bent, wherein the first single frame portion 500 is connected with the first yoke in a matching manner, and the second single frame portion 600 is connected with the second yoke in a matching manner, so that the second core frame 300 is conveniently located at a gap position between the first yoke and the second yoke of the stereoscopic wound core 100.

It should be noted that the main single frame 400 of the core single frame may have any shape, and in this embodiment, the first core single frame 200 is a quadrangle with arc-shaped vertical angles, and therefore the second core single frame 300 is also a quadrangle with arc-shaped vertical angles, where the first single frame portion 500 and the second single frame portion 600 both have arc-shaped vertical angles, the size of the first single frame portion 500 matches the size of the first yoke, and the size of the second single frame portion 600 matches the size of the second yoke.

It should be noted that the thickness of the iron core 100 may be any thickness, and different thicknesses correspond to different cross-sectional areas, and may be selected according to actual requirements, so as to effectively solve the problem of the utilization rate of the cross-section of the iron core 100.

Another embodiment of the present invention further provides a transformer, which includes the above-mentioned novel stereoscopic wound core 100. Effectively saving the volume of the transformer and reducing the height of the transformer.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 present invention. In this specification, the schematic representations of the terms used above do 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.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

The embodiments of the present invention have been described in detail with reference to the 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.

Claims (7)

1. A novel three-dimensional wound core is characterized by comprising:

the iron core comprises a plurality of first iron core single frames, and the first iron core single frames are spliced pairwise;

and the second iron core single frame is arranged at the gap of the splicing surface between any two first iron core single frames.

2. The novel stereoscopic wound core according to claim 1, wherein the first core single frame and the second core single frame are each formed by continuously winding a plurality of single frame elements.

3. The novel stereoscopic wound core according to claim 2, wherein the single frame element is a silicon steel sheet or an amorphous alloy strip.

4. The novel stereoscopic wound core according to claim 1, wherein the number of the first core frames is 3, and an included angle between any two adjacent first core frames is 60 degrees.

5. The novel stereoscopic wound core of claim 4, wherein the number of second core frames corresponds to the number of first core frames.

6. The novel stereoscopic wound core according to claim 1, wherein the core is provided with a first iron yoke and a second iron yoke, the second core single frame is provided with a first single frame portion and a second single frame portion which are both bent, the first single frame portion is connected with the first iron yoke in a matching manner, and the second single frame portion is connected with the second iron yoke in a matching manner.

7. A transformer, characterized by: the novel stereoscopic wound core comprises the novel stereoscopic wound core as claimed in any one of claims 1 to 6.

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