CN216957686U

CN216957686U - Spliced transformer iron core

Info

Publication number: CN216957686U
Application number: CN202220547026.8U
Authority: CN
Inventors: 彭根乐
Original assignee: Xiongheng Electric Co ltd
Current assignee: Xiongheng Electric Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-07-12
Anticipated expiration: 2032-06-08

Abstract

The utility model discloses a spliced transformer core which comprises a first core, a second core and a transformer core, wherein the second core and a pair of symmetrical first cores form the transformer core, the middle positions of the upper end and the lower end of the transformer core are fixedly connected with an assembly fixing seat, the first core consists of a first substrate silicon steel sheet and a plurality of first auxiliary silicon steel sheets, two sides of the first substrate silicon steel sheet are fixedly connected with a plurality of first auxiliary silicon steel sheets, the second core consists of a second substrate silicon steel sheet and a second auxiliary silicon steel sheet, and two sides of the second substrate silicon steel sheet are fixedly connected with a plurality of second auxiliary silicon steel sheets. When the spliced transformer core is used, the overall structural strength is high, the structure is stable, the connecting structural strength is high, the condition that silicon steel sheets are loosened cannot occur, meanwhile, the device is convenient to assemble and dissipate heat, and the spliced transformer core is worth popularizing.

Description

Spliced transformer iron core

Technical Field

The utility model relates to the technical field of transformer cores, in particular to a spliced transformer core.

Background

The transformer core obtained by the core stacking method in the prior art usually has different lengths of the central column and the side columns, so that the speed and the quality of the lamination are seriously influenced, and the traditional core still needs a corresponding core clamping piece during assembly, so that a spliced transformer core needs to be designed for solving the problem.

Prior patent (CN208315344U) discloses a transformer core comprising: the middle columns are sequentially overlapped to a preset height along the vertical direction, and mounting parts are respectively arranged at two ends of each middle column; the upper yoke pieces and the lower yoke pieces are sequentially overlapped to a preset height in the vertical direction, slots are formed in the middle of the upper yoke pieces and the lower yoke pieces respectively, first gaps are formed at two ends of the upper yoke pieces and the lower yoke pieces in the overlapping direction, two ends of the middle column are matched with the middle of the upper yoke pieces and the lower yoke pieces respectively, and the mounting portion is inserted into the slots; the edge materials are sequentially overlapped in two groups to a preset height in the up-down direction, second gaps are formed at two ends of the edge materials in the overlapping direction, the edge materials are respectively connected with two ends of the overlapped upper yoke piece and two ends of the overlapped lower yoke piece, two ends of the edge materials are respectively inserted into the first gaps of the upper yoke piece and the lower yoke piece, and two ends of the upper yoke piece and the lower yoke piece are respectively inserted into the second gaps at two ends of the edge materials. The transformer core has neat laminations.

The utility model discloses a shortcoming is that the not hard up condition of steel sheet appears easily in the transformer core of this design when using, and the overall structure intensity of the transformer core of this design when the equipment is lower, needs the transformer core folder of supporting in addition to carry out the clamping to transformer core.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a spliced transformer core.

In order to achieve the purpose, the utility model adopts the following technical scheme: a spliced transformer core comprises a first core, a second core and a transformer core, wherein the second core and a pair of symmetrical first cores form the transformer core, the middle positions of the upper end and the lower end of the transformer core are fixedly connected with an assembly fixing seat, the first core comprises a first substrate silicon steel sheet and a plurality of first auxiliary silicon steel sheets, the upper end surface and the lower end surface of the first substrate silicon steel sheet are fixedly provided with a plurality of first positioning columns, the upper end of the first auxiliary silicon steel sheets is provided with a plurality of assembly holes, the two sides of the first substrate silicon steel sheet are fixedly connected with a plurality of first auxiliary silicon steel sheets, the second core comprises a second substrate silicon steel sheet and a second auxiliary silicon steel sheet, the upper end surface and the lower end surface of the second substrate silicon steel sheet are fixedly provided with a plurality of second positioning columns, and the upper end of the second auxiliary silicon steel sheets is provided with a plurality of assembly holes, and a plurality of second auxiliary silicon steel sheets are fixedly connected to both sides of the second substrate silicon steel sheet.

As a further description of the above technical solution:

and a plurality of radiating fins are fixedly arranged at the upper end of the assembly fixing seat close to the upper part at equal intervals.

As a further description of the above technical solution:

and an assembly base is fixedly arranged at the lower end of the assembly fixing seat close to the lower part.

As a further description of the above technical solution:

and the upper ends and the lower ends of the second substrate silicon steel sheets and the plurality of second auxiliary silicon steel sheets are fixedly connected with the assembling blocks.

As a further description of the above technical solution:

a plurality of pilot holes have been seted up to the equal equidistance in both sides of assembly fixing base, a plurality of pilot holes have been seted up to the equal equidistance in both sides of assembly piece.

As a further description of the above technical solution:

the assembly holes formed in the assembly blocks and the assembly holes formed in the assembly fixing seats are matched with each other correspondingly.

As a further description of the above technical solution:

the first positioning column and the second positioning column are matched with the set assembling holes, and the upper ends of the first positioning column and the second positioning column are provided with fixing nuts in threaded fit.

As a further description of the above technical solution:

the assembly grooves are formed in the upper end and the lower end of the first iron core, and the assembly grooves and the assembly blocks are matched with the assembly fixing seats for assembly.

The utility model has the following beneficial effects:

1. the utility model discloses an in, first iron core, the second iron core through setting up have constituteed holistic transformer core, through the setting of this structure, have played and have made things convenient for copper line winding for the equipment of transformer is faster, and the silicon steel that the iron core material used simultaneously, greatly reduced the magnetic circuit, insulating nature is good simultaneously, and the thermal diffusivity is good.

2. The utility model discloses an in, first basement silicon steel sheet through setting up, second basement silicon steel sheet, first pair of silicon steel sheet, the vice silicon steel sheet of second, the pilot hole, first reference column, the first iron core and the second iron core structure of device have been constituteed to second reference column and fixation nut, in this structure, fixed a plurality of first reference columns that are provided with on first basement silicon steel sheet and the second basement silicon steel sheet, the second reference column, at first pair of silicon steel sheet, the pilot hole is seted up to the vice silicon steel sheet of second correspondence, the design of this structure makes to laminate closely each other between the silicon steel sheet of constituteing first iron core and second iron core, and the structure is more stable, the not hard up condition of silicon steel sheet can not appear.

3. The utility model discloses an in, assembly fixing base through setting up, the assembly recess, the auxiliary structure of device has been constituteed to assembly base and fin, in this structure, the assembly recess that transformer core upper and lower extreme set up and the connection structure strengthening structure that transformer core has been constituteed to the assembly fixing base that corresponds mutually supporting, make the joint strength of first iron core and second iron core promote greatly through the setting of this structure, make the structure of transformer more firm, the assembly base that sets up at the assembly fixing base lower extreme of downside makes transformer core be convenient for assemble and fixes inside the transformer, the fin that sets up on the assembly fixing base upper end of upside makes the heat that transformer core produced when using can be rapid transmit the insulating heat dissipation mineral oil for in the transformer through the fin, make transformer core's radiating efficiency higher.

Drawings

Fig. 1 is a front view of a spliced transformer core according to the present invention;

fig. 2 is a first core front view of a spliced transformer core according to the present invention;

fig. 3 is a second core front view of a spliced transformer core according to the present invention;

FIG. 4 is an isometric view of a base silicon steel sheet of a spliced transformer core according to the present invention;

fig. 5 is an axonometric view of a heat dissipation structure of a spliced transformer core according to the utility model.

Illustration of the drawings:

1. a first iron core; 11. a first secondary silicon steel sheet; 12. a first base silicon steel sheet; 13. assembling a groove; 14. a first positioning post; 2. a second iron core; 21. assembling the block; 22. a second secondary silicon steel sheet; 23. a second positioning column; 24. a second substrate silicon steel sheet; 3. assembling a fixed seat; 4. assembling a base; 5. fixing a nut; 6. a heat sink; 7. an assembly hole; 8. a transformer core.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, one embodiment of the present invention is provided: a spliced transformer core comprises a first core 1, a second core 2 and a transformer core 8, wherein the second core 2 and a pair of symmetrical first cores 1 form the transformer core 8, the middle positions of the upper end and the lower end of the transformer core 8 are fixedly connected with an assembly fixing seat 3, the first core 1 comprises a first base silicon steel sheet 12 and a plurality of first auxiliary silicon steel sheets 11, the upper end surface and the lower end surface of the first base silicon steel sheet 12 are respectively and fixedly provided with a plurality of first positioning posts 14, the upper ends of the plurality of first auxiliary silicon steel sheets 11 are respectively provided with a plurality of assembly holes 7, both sides of the first base silicon steel sheet 12 are respectively and fixedly connected with a plurality of first auxiliary silicon steel sheets 11, the second core 2 comprises a second base silicon steel sheet 24 and a second auxiliary silicon steel sheet 22, the upper end surface and the lower end surface of the second base silicon steel sheet 24 are respectively and fixedly provided with a plurality of second positioning posts 23, the upper ends of the plurality of the second auxiliary silicon steel sheets 22 are respectively provided with a plurality of assembly holes 7, both sides of the second base silicon steel sheet 24 are fixedly connected with a plurality of second secondary silicon steel sheets 22.

A plurality of radiating fins 6 are fixedly arranged at equal intervals at the upper end of the assembling fixing seat 3 close to the upper part, an assembling base 4 is fixedly arranged at the lower end of the assembling fixing seat 3 close to the lower part, the upper and lower ends of the second base silicon steel sheet 24 and the second auxiliary silicon steel sheets 22 are fixedly connected with the assembling block 21, a plurality of assembling holes 7 are arranged at equal intervals at both sides of the assembling fixing seat 3, a plurality of assembling holes 7 are arranged at equal intervals at both sides of the assembling block 21, the assembling holes 7 arranged on the assembling block 21 and the assembling holes 7 arranged on the assembling fixing seat 3 are correspondingly matched with each other, the first positioning column 14 and the second positioning column 23 are matched with the assembling holes 7 arranged, a plurality of first positioning columns 14, the equal screw-thread fit in upper end of second reference column 23 is provided with fixation nut 5, and assembly recess 13 has all been seted up to the upper and lower extreme of first iron core 1, and assembly recess 13 and assembly piece 21 all cooperate the assembly with assembly fixing base 3.

The working principle is as follows: when the device is used, the assembling holes 7 formed in the plurality of first auxiliary silicon steel sheets 11 and the plurality of second auxiliary silicon steel sheets 22 are aligned to the first positioning columns 14 and the second positioning columns 23, the plurality of first auxiliary silicon steel sheets 11 and the first base silicon steel sheets 12 are assembled and fixed to form the first iron core 1 through the fixing nuts 5, the plurality of second auxiliary silicon steel sheets 22 and the second base silicon steel sheets 24 are assembled and fixed to form the second iron core 2 through the fixing nuts 5, then copper wires are quickly wound at the middle positions of the first iron core 1 and the second iron core 2 to form a winding, after the two first iron cores 1 and the second iron core 2 are aligned, the two assembling fixing seats 3 are aligned to the assembling grooves 13 and the assembling blocks 21 are assembled and fixed through the fixing nuts 5, the integral assembly of the transformer iron core 8 is completed, the device has high integral structural strength and stable structure when in use, the connection structure is high in strength, the condition that silicon steel sheets are not loosened can not occur, and meanwhile, the device is convenient to assemble and dissipate heat, and is worthy of popularization.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a concatenation formula transformer core, includes first iron core (1), second iron core (2) and transformer core (8), its characterized in that: the second iron core (2) and the pair of symmetrical first iron cores (1) form a transformer iron core (8), and the middle positions of the upper end and the lower end of the transformer iron core (8) are fixedly connected with assembly fixing seats (3);

the first iron core (1) is composed of a first substrate silicon steel sheet (12) and a plurality of first auxiliary silicon steel sheets (11), the upper end face and the lower end face of the first substrate silicon steel sheet (12) are fixedly provided with a plurality of first positioning columns (14), the upper ends of the first auxiliary silicon steel sheets (11) are provided with a plurality of assembling holes (7), and two sides of the first substrate silicon steel sheet (12) are fixedly connected with the plurality of first auxiliary silicon steel sheets (11);

the second iron core (2) comprises second basement silicon steel sheet (24) and the vice silicon steel sheet of second (22), the upper and lower terminal surface of second basement silicon steel sheet (24) is all fixed and is provided with a plurality of second reference columns (23), and is a plurality of pilot holes (7) have all been seted up to the upper end of the vice silicon steel sheet of second (22), the vice silicon steel sheet of a plurality of second (22) of the equal fixedly connected with in both sides of second basement silicon steel sheet (24).

2. The spliced transformer core of claim 1, wherein: a plurality of radiating fins (6) are fixedly arranged on the upper end of the assembling fixed seat (3) close to the upper part at equal intervals.

3. The spliced transformer core of claim 1, wherein: an assembly base (4) is fixedly arranged at the lower end of the assembly fixing seat (3) close to the lower part.

4. The spliced transformer core of claim 1, wherein: the upper ends and the lower ends of the second substrate silicon steel sheets (24) and the plurality of second auxiliary silicon steel sheets (22) are fixedly connected with the assembling blocks (21).

5. The spliced transformer core of claim 4, wherein: a plurality of pilot holes (7) have been seted up to the equal equidistance in both sides of assembly fixing base (3), a plurality of pilot holes (7) have been seted up to the equal equidistance in both sides of assembly piece (21).

6. The spliced transformer core of claim 4, wherein: the assembling block (21) is provided with assembling holes (7) which are matched with the assembling holes (7) arranged on the assembling fixing seat (3) correspondingly.

7. The spliced transformer core of claim 1, wherein: the first positioning column (14) and the second positioning column (23) are matched with the assembly holes (7) formed in the same way, and the upper ends of the first positioning column (14) and the second positioning column (23) are matched with each other in a threaded manner to form fixing nuts (5).

8. The spliced transformer core of claim 4, wherein: assembly recess (13) have all been seted up to the upper and lower end of first iron core (1), assembly recess (13) and assembly piece (21) all cooperate the assembly with assembly fixing base (3) each other.