CN215770791U - Stable transformer iron core - Google Patents

Abstract

The utility model provides a stable transformer iron core which comprises an iron core body, an iron chip and an iron sheet layer, wherein the iron chip is arranged on the iron core body; the laminated wood core comprises a plurality of iron sheet layers, wherein the iron sheet layers are overlapped to form iron core sheets, three iron core sheets surround to form an iron core body, contact surfaces between the three iron core sheets are planes, the iron sheet layers are formed by surrounding two vertical iron columns and two transverse iron yokes, the contact surfaces of the iron columns and the iron yokes are both planes and are connected through an installation assembly, winding fixing grooves are formed in the outer walls of the iron columns, two ends of each iron sheet layer are laminated with the end surfaces of the adjacent iron sheet layers and are connected through a clamping assembly, and laminated wood blocks are installed inside the iron sheet layers; the laminated wood core is composed of three iron core pieces, the iron core is triangular, the lengths of three magnetic circuits on the iron core are the same, the contact surfaces of the iron yoke and the iron column are planes, the contact ends among the plurality of iron sheet layers are overlapped, gaps are not easy to generate, and the triangular iron core is matched with the laminated wood block to avoid deformation, so that the magnetic circuit is more stable.

Description

Stable transformer iron core

Technical Field

The utility model mainly relates to the technical field of transformers, in particular to a stable transformer iron core.

Background

The iron core of the transformer is a main magnetic circuit part in the transformer, the magnetic circuit of the iron core is very small, a strong induction magnetic field can be obtained through the iron core, and the iron core and a coil wound on the iron core form a complete electromagnetic induction system. The iron core comprises an iron core column sleeved with a coil and an iron yoke which does not sleeve the coil and only plays a role of closing a magnetic circuit, wherein the iron core column is formed by overlapping a plurality of iron core column iron sheets, the iron yoke is formed by overlapping a plurality of iron yoke iron sheets so as to form a hollow iron core structure, the coil is provided with two or more than two windings, the winding connected with a power supply is a primary coil, and the rest windings are secondary coils.

The three-phase transformer is formed by three single-phase transformers, and the main flux of each phase must be closed by the magnetic circuits of the other two phases, so that the three-phase magnetic circuits are related to each other. The iron core of a general three-phase transformer is in a plane structure, the lengths of magnetic circuits of three phases are different, the magnetic circuit of one phase in the middle is short, and the magnetic circuits of the other two phases are long, so that the magnetic resistance of the three phases is slightly different. When three-phase symmetrical voltage is applied externally, three-phase no-load current is unequal, the lengths of magnetic circuits are different, the directions of the magnetic circuits are different, the current of one phase in the middle is small, and the current of the other two phases is large, so that the load operation of the transformer is influenced, and a part of loss is caused.

The utility model discloses a current application number is CN 201720146594.6's utility model discloses a transformer core, including last indisputable yoke, iron core post, lower iron core post, go up iron core post, avris yoke, winding fixed slot, indisputable yoke bolt, one-level avris yoke, connecting groove, second grade avris yoke and connection boss down, go up the iron core post and iron yoke interconnect down through the iron core, and be provided with the iron yoke bolt down on the iron yoke, the avris yoke is located the both sides of indisputable yoke and indisputable yoke down respectively, and is fixed with the winding fixed slot on the avris yoke. The transformer iron core is convenient to install and good in stability;

with respect to the related art in the above, the inventors have considered that the yoke and the core are connected to easily generate a gap to cause magnetic leakage.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a stable transformer iron core, which is used for solving the technical problems in the background technology.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a stability transformer iron core comprises an iron core body, an iron chip and an iron sheet layer;

the iron sheet layers are overlapped to form iron sheets, three iron sheets surround to form an iron core body, contact surfaces between the three iron sheets are planes, the iron sheets are formed by encircling two vertical iron columns and two transverse iron yokes, the contact surfaces of the iron columns and the iron yokes are both planes and are connected through an installation assembly, winding fixing grooves are formed in the outer walls of the iron columns, two ends of each iron sheet layer are overlapped with the end surfaces of the adjacent iron sheet layers and are connected through a clamping assembly, the outer side surface of the iron core body is arc-shaped, and laminated wood blocks are installed inside the iron core body;

by adopting the technical scheme, the magnetic circuit is more stable through the triangular iron core, the lengths of the three magnetic circuits on the iron core are the same, the contact surfaces of the iron yoke and the iron columns are planes, the contact ends between the iron sheet layers are overlapped, gaps are not easy to generate, and the triangular iron core is matched with the laminated wood block to avoid deformation.

Furthermore, a plurality of heat dissipation holes are formed in the outer wall of the laminated wood block;

by adopting the technical scheme, the heat dissipation holes are used for dissipating heat of the space between the iron chip and the laminated wood block assembly.

Furthermore, the outer side surface of the iron core body is provided with insulating rubber;

by adopting the technical scheme, the insulating rubber is used for protecting the iron core body.

Further, the mounting assembly comprises sliding blocks and sliding grooves, the sliding blocks are mounted at two ends of the iron yoke, the sliding grooves are mounted at the upper end and the lower end of the iron column, the sliding blocks are connected with the sliding grooves in a sliding mode, and the sliding blocks and the sliding grooves are fixed through bolts in a sliding mode;

by adopting the technical scheme, the contact surfaces of the iron yoke and the iron column are matched with each other through the sliding block and the sliding groove to form the iron sheet layer, and the iron sheet layer is fixed through the bolt.

Furthermore, the clamping assembly comprises a clamping block and a clamping groove, the clamping block is arranged at one end of the iron sheet layer, and the clamping groove is arranged at the other end of the iron sheet layer;

by adopting the technical scheme, the fixture block is inserted into the clamping groove and used for positioning the contact surface between the iron sheet layers to form the iron core.

Furthermore, movable holes are arranged on two sides of the clamping block, a spring and a clamping rod are arranged in the movable holes, one end of the clamping rod penetrates out of the movable holes, the other end of the clamping rod is connected with the spring, a clamping hole is arranged on the clamping groove, the clamping rod is connected with the clamping hole,

by adopting the technical scheme, the clamping rod is clamped into the clamping hole under the action of the spring and is used for fixing the joint between the iron sheet layers, so that the iron sheet layers are convenient to fix and install.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides a stability transformer core, comprises three iron core piece, and the iron core is triangle-shaped, and three magnetic circuit length on the iron core is the same, and the contact surface of iron yoke and iron prop is the plane, and the contact jaw coincide between a plurality of iron sheet layers is difficult for producing the clearance, and triangle-shaped's iron core avoids warping with the cooperation of laminated wood piece for the magnetic circuit is more stable.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the structure of an iron sheet layer according to the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is an enlarged schematic view of the structure at the position a of the present invention.

In the figure: 1. an iron core body; 2. an iron core sheet; 3. an iron sheet layer; 4. mounting the component; 5. a clamping assembly; 6. laminating the wood blocks; 7. an insulating rubber; 31. an iron column; 32. an iron yoke; 33. a winding fixing groove; 41. a slider; 42. a chute; 51. a clamping block; 52. a card slot; 61. heat dissipation holes; 511. a movable hole; 512. a spring; 513. a clamping rod; 521. and (6) clamping the hole.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The first embodiment is as follows:

the embodiment one of the utility model discloses a stability transformer iron core, please refer to fig. 1-4 emphatically, including iron core body 1, iron core sheet 2, iron sheet layer 3;

a plurality of iron core piece 2 is constituteed in the 3 coincide of iron sheet layer, it is three iron core piece 2 surrounds and forms iron core body 1, and the contact surface between three iron core piece 2 is the plane, iron sheet layer 3 surrounds by two vertical iron posts 31 and two horizontal iron yokes 32 and forms, iron post 31 is the plane with iron yoke 32's contact surface, and connects through installation component 4, it has winding fixed slot 33 to open on iron post 31's the outer wall, just iron sheet layer 3's both ends all range upon range of with adjacent iron sheet layer 3's terminal surface to connect through joint component 5, iron core body 1's lateral surface is the arc, and internally mounted has laminated wood piece 6.

Iron core body 1 comprises three iron core pieces 2, and the iron core is triangle-shaped, and three magnetic circuit length on the iron core is the same, and the contact surface of iron yoke 32 and iron prop 31 is the plane, and the contact jaw coincide between a plurality of iron sheet layers 3 is difficult for producing the clearance, and magnetic circuit is more stable, and triangle-shaped's iron core avoids warping with the cooperation of lamination billet 6.

Please refer to fig. 3, the laminated wood block 6 has a plurality of heat dissipation holes 61 on the outer wall, and the heat dissipation holes 61 are used for dissipating heat from the space between the iron core 2 and the laminated wood block 6; insulating rubber 7 is installed to the lateral surface of iron core body 1, and insulating rubber 7 is used for protecting iron core body 1.

Referring to fig. 2 again, the mounting assembly 4 includes a sliding block 41 and a sliding slot 42, the sliding block 41 is mounted at two ends of the iron yoke 32, the sliding slot 42 is mounted at the upper end and the lower end of the iron column 31, the sliding block 41 is connected with the sliding slot 42 in a sliding manner, the sliding block 41 and the sliding slot 42 are fixed by bolts in a sliding manner, and the contact surfaces of the iron yoke 32 and the iron column 31 are matched by the sliding block 41 and the sliding slot 42 to form the iron sheet layer 3 and are fixed by bolts.

Referring to fig. 3-4 again, the clamping assembly 5 includes a clamping block 51 and a clamping groove 52, the clamping block 51 is disposed at one end of the iron sheet layer 3, the clamping groove 52 is disposed at the other end of the iron sheet layer 3, and the clamping block 51 is inserted into the clamping groove 52 for positioning a contact surface between the iron sheet layers 3 to form an iron core; the two sides of the clamping block 51 are provided with movable holes 511, springs 512 and clamping rods 513 are arranged in the movable holes 511, one end of each clamping rod 513 penetrates through the movable hole 511, the other end of each clamping rod 513 is connected with the corresponding spring 512, each clamping groove 52 is provided with a clamping hole 521, each clamping rod 513 is connected with the corresponding clamping hole 521, and each clamping rod 513 is clamped into the corresponding clamping hole 521 under the action of the corresponding spring 512 to fix the connection position between the iron sheet layers 3, so that the fixing and the installation are facilitated.

The implementation principle of the first embodiment of the utility model is as follows:

iron core body 1 comprises three iron core piece 2, difficult production clearance, and magnetic circuit is more stable, cooperate through slider 41 and spout 42 between iron column 31 and the yoke 32, fix a position, and through the bolt fastening, a plurality of iron sheet layers 3 superpose and form iron core piece 2, the link of a plurality of iron sheet layers 3, insert the draw-in groove 52 through fixture block 51 and fix a position, go into card through kelly 513 card and fix in calorie hole 521, iron sheet layer 3 carries out the difficult production clearance of coincide, avoid the magnetic leakage.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims (6)

1. A stability transformer iron core is characterized by comprising an iron core body (1), an iron core sheet (2) and an iron sheet layer (3);

a plurality of iron core piece (2) are constituteed in iron sheet layer (3) coincide, and are three iron core piece (2) surround and form iron core body (1), and the contact surface between three iron core piece (2) is the plane, iron sheet layer (3) surround by two vertical iron columns (31) and two horizontal iron yokes (32) and form, the contact surface of iron column (31) and iron yoke (32) is the plane, and connects through installation component (4), it has winding fixed slot (33) to open on the outer wall of iron column (31), just the both ends of iron sheet layer (3) all range upon range of with the terminal surface of adjacent iron sheet layer (3) to connect through joint component (5), the lateral surface of iron core body (1) is the arc, and internally mounted has laminated wood piece (6).

2. A stability transformer core according to claim 1, wherein said laminated wood block (6) is provided with a plurality of heat dissipation holes (61) in its outer wall.

3. A stability transformer core according to claim 1, characterized in that the outer side of the core body (1) is fitted with an insulating rubber (7).

4. A stability transformer core according to claim 1, wherein the mounting assembly (4) comprises a sliding block (41) and a sliding slot (42), the sliding block (41) is mounted at two ends of the yoke (32), the sliding slot (42) is mounted at the upper end and the lower end of the iron column (31), the sliding block (41) is slidably connected with the sliding slot (42), and the sliding block (41) and the sliding slot (42) are slidably fixed by bolts.

5. A stability transformer core according to claim 1, wherein the clamping assembly (5) comprises a clamping block (51) and a clamping groove (52), the clamping block (51) is arranged at one end of the iron sheet layer (3), and the clamping groove (52) is arranged at the other end of the iron sheet layer (3).

6. The stability transformer core according to claim 5, wherein two sides of the clamping block (51) are provided with movable holes (511), a spring (512) and a clamping rod (513) are arranged in each movable hole (511), one end of the clamping rod (513) penetrates through the movable hole (511), the other end of the clamping rod is connected with the spring (512), the clamping groove (52) is provided with a clamping hole (521), and the clamping rod (513) is connected with the clamping hole (521).

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