CN217361328U

CN217361328U - Double-layer iron core insulation structure of amorphous alloy transformer

Info

Publication number: CN217361328U
Application number: CN202220444311.7U
Authority: CN
Inventors: 陈松仔
Original assignee: Guangdong Yuete Power Group Co ltd
Current assignee: Guangdong Yuete Power Group Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-09-02
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses a double-deck iron core insulation system of metallic glass transformer relates to transformer technical field, which comprises a bracket, the middle part fixed mounting of support inner chamber has the backup pad, the both sides that just are located the backup pad in the inner chamber of support are provided with the iron core, just be located and be provided with the coil between iron core and the iron core in the inner chamber of support, the iron core includes the lug, peg hole has been seted up with one side of backup pad in the front of lug, the back fixedly connected with iron core main part of lug. The utility model discloses an effect of round pin post and round pin post hole is fixed a position the iron core, is convenient for install double-deck iron core, has improved the equipment personnel and to the packaging efficiency of metallic glass transformer to reduce equipment personnel's labour, under the effect of backup pad main part, completely cut off between iron core and the iron core, prevent to appear the problem of being in the same place even between iron core and the iron core.

Description

Double-layer iron core insulation structure of amorphous alloy transformer

Technical Field

The utility model relates to a transformer technical field, concretely relates to double-deck iron core insulation system of metallic glass transformer.

Background

The amorphous alloy transformer is a low-loss and high-energy-efficiency power transformer, which is composed of a transformation oil tank, a moving ring and the like, and the transformer takes iron-based amorphous metal as an iron core.

The following problems exist in the prior art:

1. when the iron core is assembled, the existing double-layer iron core insulation structure has the problem that the positioning between the iron core and the iron core is difficult, so that the assembly efficiency of the double-layer iron core insulation structure is reduced;

2. the insulating layer on the existing double-layer iron core insulating structure has poor insulating effect on the double-layer iron core, and the insulating layer is damaged frequently, so that the amorphous alloy transformer is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model provides a double-layer iron core insulation structure of an amorphous alloy transformer, wherein one purpose is to facilitate the assembly of the double-layer iron core and solve the problem that the positioning between the iron core and the iron core is difficult when the iron core is assembled; the other purpose is to solve the problem that the insulating layer is damaged frequently due to the poor insulating effect of the double-layer iron core, so that the performance of the insulating layer is improved.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

the utility model provides a double-deck iron core insulation system of metallic glass transformer, includes the support, the middle part fixed mounting of support inner chamber has the backup pad, just the both sides that are located the backup pad are provided with the iron core in the inner chamber of support, just be located and be provided with the coil between iron core and the iron core in the inner chamber of support.

The iron core comprises a convex block, the front face of the convex block is connected with one side of the supporting plate in an inserting mode, a pin hole is formed in the front face of the convex block, and the back face of the convex block is fixedly connected with an iron core main body.

The coil comprises a high-voltage coil, the inner wall of the high-voltage coil is connected with the inner wall of the iron core in an inserting mode, the outer wall of the high-voltage coil is provided with a low-voltage coil, and the outer wall of the low-voltage coil is fixedly connected with an insulating layer.

The utility model discloses technical scheme's further improvement lies in: the supporting plate comprises a pin column and a clamping block, the outer wall of the pin column is connected with the inner wall of the pin column hole in an inserting mode, and one side of the clamping block is connected with the outer wall of the protruding block in an inserting mode.

By adopting the technical scheme, the pin columns and the clamping blocks in the scheme are matched with each other, so that the iron core is convenient to position, and the assembly efficiency of the amorphous alloy transformer is improved.

The utility model discloses technical scheme's further improvement lies in: the bottom fixed mounting of round pin post has the backup pad main part, the through wires hole has been seted up in the front of backup pad main part, the upper and lower both sides of backup pad main part and the outer wall that is located the round pin post have seted up positioning groove.

By adopting the technical scheme, the supporting plate main plate and the threading holes in the scheme are matched with each other, so that the amorphous alloy transformer has the characteristic of double iron cores, and the coils are convenient to thread.

The utility model discloses technical scheme's further improvement lies in: the insulating layer comprises insulating paper, one side of the insulating paper is fixedly connected with the outer wall of the low-voltage coil, and two ends of the insulating paper are fixedly connected with rubber insulating plates.

By adopting the technical scheme, the insulating paper and the rubber insulating plate in the scheme are mutually matched, so that the tensile strength of the edge of the insulating layer is improved, and the problem of cracking of the edge of the insulating layer is prevented.

The utility model discloses technical scheme's further improvement lies in: an upper groove is formed in one side of the rubber insulating plate, and a lower groove is formed in the other side of the rubber insulating plate.

Adopt above-mentioned technical scheme, mutually supporting between upper groove, low recess, the rubber insulation board in this scheme is convenient for be connected between insulating layer and the insulating layer to prevent the insulating layer junction, appear open-ended problem.

The utility model discloses technical scheme's further improvement lies in: the insulating paper comprises an outer polyimide resin layer, the upper surface of the outer polyimide resin layer is fixedly connected with the outer wall of the low-voltage coil, the bottom fixedly connected with outer insulating paper body of the outer polyimide resin layer, the bottom fixedly connected with tensile layer of the outer insulating paper body, the bottom fixedly connected with inner insulating paper body of the tensile layer and the bottom fixedly connected with inner polyimide resin layer of the inner insulating paper body are fixedly connected with each other.

Adopt above-mentioned technical scheme, the mutually supporting between outer polyimide resin layer, outer insulating paper body, tensile layer, interior insulating paper body, the interior polyimide resin layer in this scheme improves insulating nature and tensile property of insulating paper to improve insulating paper's life.

Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:

1. the utility model provides a double-deck iron core insulation system of metallic glass transformer, adopt the iron core, the round pin post hole, a supporting plate, the backup pad main part, the round pin post, mutually support between the through wires hole, through the effect in round pin post and round pin post hole, fix a position the iron core, be convenient for install double-deck iron core, the packaging efficiency of assembly personnel to the metallic glass transformer has been improved, thereby reduce assembly personnel's labour, under the effect of backup pad main part, to completely cutting off between iron core and the iron core, prevent to appear the problem of even being in the same place between iron core and the iron core.

2. The utility model provides a double-deck iron core insulation system of metallic glass transformer, adopt the coil, the insulating layer, rubber insulation board, mutually support between the insulating paper, effect through polyimide resin layer and insulating paper body, improve insulating paper's insulating nature and tensile strength, thereby improve insulating paper's life, prevent that the problem of fracture from appearing in the insulating paper, under rubber insulation board's effect, improve the tensile strength at insulating layer edge, thereby prevent that the problem of fracture from appearing in the insulating layer edge, be convenient for be connected between insulating layer and the insulating layer, thereby prevent that the open-ended problem from appearing in the insulating layer junction.

Drawings

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

fig. 2 is a schematic perspective view of the iron core of the present invention;

FIG. 3 is a schematic cross-sectional view of the support plate of the present invention;

fig. 4 is a schematic sectional view of the coil of the present invention;

fig. 5 is a schematic perspective view of the insulating layer of the present invention;

fig. 6 is a schematic view of the cross-sectional structure of the insulation paper of the present invention.

In the figure: 1. a support; 2. an iron core; 21. a pin hole; 22. a bump; 23. an iron core main body; 3. a support plate; 31. a support plate main body; 32. a pin; 33. a clamping block; 34. a positioning groove; 35. threading holes; 4. a coil; 41. an insulating layer; 411. a rubber insulating plate; 412. an upper groove; 413. a lower groove; 414. Insulating paper; 4141. an outer polyimide resin layer; 4142. an outer insulating paper body; 4143. a tensile layer; 4144. an inner insulating paper body; 4145. an inner polyimide resin layer; 42. a low-voltage coil; 43. a high voltage coil.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-6, the utility model provides a double-deck iron core insulation system of metallic glass transformer, which comprises a bracket 1, the middle part fixed mounting of support 1 inner chamber has backup pad 3, the both sides that just are located backup pad 3 in the inner chamber of support 1 are provided with iron core 2, just be located and be provided with coil 4 between iron core 2 and the iron core 2 in the inner chamber of support 1, iron core 2 includes lug 22, lug 22's front is pegged graft with one side of backup pad 3, pin hole 21 has been seted up in lug 22's front, lug 22's back fixedly connected with iron core main part 23, coil 4 includes high-voltage coil 43, high-voltage coil 43's inner wall is pegged graft with iron core 2's inner wall, high-voltage coil 43's outer wall is provided with low voltage coil 42, low voltage coil 42's outer wall fixedly connected with insulating layer 41.

In this embodiment, the iron core 2 is placed on both sides of the support plate 3 by the function of the support plate 3 to achieve the purpose of the double-layered iron core 2, and then the high-voltage coil 43 and the low-voltage coil 42 are wound on the iron core 2 in sequence, and the double-layered iron core 2 is insulated by the function of the insulating layer 41.

Example 2

As shown in fig. 1-6, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the support plate 3 includes a pin 32 and a block 33, an outer wall of the pin 32 is inserted into an inner wall of the pin hole 21, one side of the block 33 is inserted into an outer wall of the protrusion 22, a support plate main body 31 is fixedly mounted at the bottom of the pin 32, a threading hole 35 is formed in the front surface of the support plate main body 31, and positioning grooves 34 are formed in the outer walls of the upper and lower sides of the support plate main body 31 and the pin 32.

In this embodiment, through the effect of round pin post 32 and round pin post hole 21, fix a position iron core 2, be convenient for install double-deck iron core 2, improved the equipment personnel and to the packaging efficiency of metallic glass transformer, under the effect of backup pad main part 31, completely cut off between iron core 2 and iron core 2, prevent that appear between iron core 2 and the iron core 2 and link together.

Example 3

As shown in fig. 1-6, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the insulation layer 41 includes an insulation paper 414, one side of the insulation paper 414 is fixedly connected to an outer wall of the low voltage coil 42, two ends of the insulation paper 414 are fixedly connected to a rubber insulation board 411, one side of the rubber insulation board 411 is provided with an upper groove 412, the other side of the rubber insulation board 411 is provided with a lower groove 413, the insulation paper 414 includes an outer polyimide resin layer 4141, an upper surface of the outer polyimide resin layer 4141 is fixedly connected to the outer wall of the low voltage coil 42, a bottom of the outer polyimide resin layer 4141 is fixedly connected to an outer insulation paper body 4142, a bottom of the outer insulation paper body 4142 is fixedly connected to a tensile layer 4143, a bottom of the tensile layer 4143 is fixedly connected to an inner insulation paper body 4144, and a bottom of the inner insulation paper body 4144 is fixedly connected to an inner polyimide resin layer 4145.

In this embodiment, through the effect of polyimide resin layer and insulating paper body, improve insulating properties and tensile property of insulating paper 414 to improve insulating paper 414's life, prevent that insulating paper 414 from appearing the fracture, under the effect of rubber insulation board 411, improve the tensile strength at insulating layer 41 edge, thereby prevent insulating layer 41 edge fracture, be convenient for be connected between insulating layer 41 and insulating layer 41, thereby prevent that the opening from appearing in the insulating layer 41 junction.

The working principle of the double-layer iron core insulation structure of the amorphous alloy transformer is described in detail below.

As shown in fig. 1 to 6, firstly, the pin 32 and the pin hole 21 are used to position the iron core 2, and the iron core 2 is placed on both sides of the supporting plate 3, thereby achieving the purpose of double-layer iron core 2, and the iron core 2 are isolated by the supporting plate main body 31, and then the high-voltage coil 43 and the low-voltage coil 42 are wound on the iron core 2 in sequence, and the insulation and tensile properties of the insulation paper 414 are improved by the polyimide resin layer and the insulation paper body, thereby improving the service life of the insulation paper 414, preventing the insulation paper 414 from cracking, improving the tensile strength of the edge of the insulation layer 41 by the rubber insulation board 411, and preventing the edge of the insulation layer 41 from cracking.

The present invention has been described in detail with reference to the above general description, but it will be apparent to one of ordinary skill in the art that modifications and improvements can be made to the invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.

Claims

1. The utility model provides a double-deck iron core insulation system of metallic glass transformer, includes support (1), its characterized in that: a support plate (3) is fixedly installed in the middle of an inner cavity of the support (1), iron cores (2) are arranged in the inner cavity of the support (1) and located on two sides of the support plate (3), and a coil (4) is arranged in the inner cavity of the support (1) and located between the iron cores (2) and the iron cores (2);

the iron core (2) comprises a convex block (22), the front face of the convex block (22) is inserted into one side of the supporting plate (3), a pin hole (21) is formed in the front face of the convex block (22), and the back face of the convex block (22) is fixedly connected with an iron core main body (23);

coil (4) include high-voltage coil (43), the inner wall of high-voltage coil (43) is pegged graft with the inner wall of iron core (2), the outer wall of high-voltage coil (43) is provided with low-voltage coil (42), the outer wall fixedly connected with insulating layer (41) of low-voltage coil (42).

2. The amorphous alloy transformer double-layer iron core insulation structure according to claim 1, characterized in that: the supporting plate (3) comprises a pin column (32) and a clamping block (33), the outer wall of the pin column (32) is inserted into the inner wall of the pin column hole (21), and one side of the clamping block (33) is inserted into the outer wall of the protruding block (22).

3. The amorphous alloy transformer double-layer iron core insulation structure according to claim 2, wherein: the bottom fixed mounting of round pin post (32) has backup pad main part (31), through wires hole (35) have been seted up in the front of backup pad main part (31), positioning groove (34) have been seted up to the upper and lower both sides of backup pad main part (31) and the outer wall that is located round pin post (32).

4. The amorphous alloy transformer double-layer iron core insulation structure according to claim 1, wherein: the insulating layer (41) comprises insulating paper (414), one side of the insulating paper (414) is fixedly connected with the outer wall of the low-voltage coil (42), and two ends of the insulating paper (414) are fixedly connected with rubber insulating plates (411).

5. The amorphous alloy transformer double-layer iron core insulation structure according to claim 4, wherein: an upper groove (412) is formed in one side of the rubber insulating plate (411), and a lower groove (413) is formed in the other side of the rubber insulating plate (411).

6. The amorphous alloy transformer double-layer iron core insulation structure according to claim 4, wherein: the insulation paper (414) comprises an outer polyimide resin layer (4141), the upper surface of the outer polyimide resin layer (4141) is fixedly connected with the outer wall of the low-voltage coil (42), the bottom of the outer polyimide resin layer (4141) is fixedly connected with an outer insulation paper body (4142), the bottom of the outer insulation paper body (4142) is fixedly connected with a tensile layer (4143), the bottom of the tensile layer (4143) is fixedly connected with an inner insulation paper body (4144), and the bottom of the inner insulation paper body (4144) is fixedly connected with an inner polyimide resin layer (4145).