CN220962983U - Transformer core capable of avoiding magnetic leakage - Google Patents

Transformer core capable of avoiding magnetic leakage Download PDF

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Publication number
CN220962983U
CN220962983U CN202322628071.3U CN202322628071U CN220962983U CN 220962983 U CN220962983 U CN 220962983U CN 202322628071 U CN202322628071 U CN 202322628071U CN 220962983 U CN220962983 U CN 220962983U
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China
Prior art keywords
shielding
antimagnetic
bottom plate
antimagnetic hood
transformer core
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CN202322628071.3U
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Chinese (zh)
Inventor
吕金华
吴江涛
邵丽艳
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Xinda Transformer Co ltd
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Xinda Transformer Co ltd
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Priority to CN202322628071.3U priority Critical patent/CN220962983U/en
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Abstract

The utility model discloses a transformer iron core capable of avoiding magnetic leakage, which comprises a bottom plate, wherein an iron core body is arranged at the top end of the bottom plate, a back plate is fixedly connected to the top of the back surface of the bottom plate, a shielding antimagnetic cover matched with the iron core body is arranged at the top of the front surface of the back plate, the shielding antimagnetic cover comprises an iron wire mesh, insulating mats connected to two sides of the iron wire mesh and an anti-corrosion rubber mat connected to one side of the insulating mats, a guiding middle groove is formed in the middle of the front surface of the back plate, a guiding sliding block matched with the guiding middle groove is connected to the back surface of the shielding antimagnetic cover, and limiting bolts for limiting and supporting the shielding antimagnetic cover are connected to two sides of the back surface of the back plate.

Description

Transformer core capable of avoiding magnetic leakage
Technical Field
The utility model relates to the field of transformers, in particular to a transformer core capable of avoiding magnetic leakage.
Background
A transformer is a device for changing an ac voltage using the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil, and an iron core (magnetic core). The transformer is basic equipment for power transmission and distribution, and is widely applied to the fields of industry, agriculture, traffic, urban communities and the like.
The existing transformer core is simple in structure and is generally manufactured by stacking a plurality of silicon steel sheets, but the transformer core has a magnetic leakage phenomenon in the use process, a generated magnetic field can leak to the outside, and the larger the magnetic leakage is, the larger the voltage ratio is, so that the energy loss of the transformer can be increased.
Disclosure of utility model
The utility model aims to provide a transformer core for avoiding magnetic leakage, which aims to solve the problems that the prior transformer core proposed in the background art is simple in structure and is generally manufactured by stacking a plurality of silicon steel sheets, but the magnetic leakage phenomenon exists in the use process of the transformer core, the generated magnetic field can leak to the outside, and the larger the magnetic leakage is, the larger the voltage ratio is, so that the energy loss of the transformer can be increased.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a avoid transformer core of magnetic leakage, includes the bottom plate, the iron core body is installed on the top of bottom plate, the top fixedly connected with backplate at the bottom plate back, the positive top of backplate is equipped with and shelters from the antimagnetic hood with iron core assorted, shelter from antimagnetic hood include the wire netting, connect the insulating pad in wire netting both sides and connect the anticorrosive cushion in insulating pad one side, the direction is seted up at the positive middle part of backplate, shelter from antimagnetic hood's back be connected with direction in groove assorted direction slider, direction slider and direction in groove sliding connection, the equal threaded connection in both sides at backplate back carries out spacing support's stop bolt to shelter from antimagnetic hood, the block groove has been seted up at the top of bottom plate.
As a preferable technical scheme of the utility model, the clamping groove is correspondingly arranged with the shielding antimagnetic cover, and the bottom of the shielding antimagnetic cover is matched with the clamping groove.
As a preferable technical scheme of the utility model, the bottoms of the two sides of the bottom plate are fixedly connected with a fixing plate which is convenient for the installation of the bottom plate, and the middle part of the fixing plate is provided with a fixing hole.
As a preferable technical scheme of the utility model, one end of the limit bolt penetrates through the backboard to extend to the bottom of the shielding antimagnetic cover, and the other end of the limit bolt is fixedly connected with a torsion bar which is convenient for rotating the limit bolt.
As a preferable technical scheme of the utility model, the front surface of the shielding antimagnetic cover is provided with a plurality of cooling fins which are convenient to cool, and the middle parts of the two sides of the shielding antimagnetic cover are fixedly connected with handles which are convenient to move the shielding antimagnetic cover.
As a preferable technical scheme of the utility model, the iron core body comprises a fixed bracket and a plurality of silicon steel sheets arranged in the middle of the fixed bracket, connecting bolts which are convenient for fixing the silicon steel sheets are arranged at corners of the fixed bracket, and through holes which are convenient for improving heat dissipation performance are arranged at two sides of the silicon steel sheets.
As a preferable technical scheme of the utility model, one end of the miniature spring is connected with the surface of the inner wall of the wear-resistant outer shell, and the other end of the miniature spring is connected with the surface of the outer side of the light-weight inner shell.
Compared with the prior art, the utility model has the beneficial effects that:
After the installation connection of the iron core body finishes in the use, rotate stop bolt to the back of backplate and remove, can make stop bolt's one end not being supporting the bottom of shielding the antimagnetic hood, later the handheld handle of relevant personnel can slowly move down with shielding the antimagnetic hood for shielding the antimagnetic hood cover and establishing in the outside of the iron core body, finally shielding the bottom of antimagnetic hood and the block groove block at bottom plate top and accomplishing to be connected, the iron core body is in the inboard of shielding the antimagnetic hood in the use, shielding antimagnetic hood's wire netting and insulating pad, anticorrosive cushion can play the effect of blocking, and shielding antimagnetic hood also can change, whole transformer core can avoid the phenomenon of outside magnetic leakage in the use, the loss of transformer energy has been reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a view showing the construction of the shielding and antimagnetic shield of the present utility model;
FIG. 3 is a side connection structure diagram of the back plate and the shielding and antimagnetic cover of the present utility model;
FIG. 4 is a rear block diagram of a back plate of the present utility model;
Fig. 5 is a structural view of the core body of the present utility model.
In the figure: 1. a bottom plate; 2. an iron core body; 3. a back plate; 4. shielding the antimagnetic cover; 5. a heat radiation fin; 6. a clamping groove; 7. a wire netting; 8. an insulating pad; 9. an anti-corrosion rubber pad; 10. a fixing plate; 11. a fixing hole; 12. a handle; 13. a guide middle groove; 14. a guide slide block; 15. a limit bolt; 16. a torsion bar; 17. a fixed bracket; 18. a silicon steel sheet; 19. a connecting bolt; 20. and a through hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the utility model provides a transformer iron core for avoiding magnetic leakage, which comprises a bottom plate 1, wherein an iron core body 2 is arranged at the top end of the bottom plate 1, a back plate 3 is fixedly connected to the top of the back surface of the bottom plate 1, a shielding antimagnetic cover 4 matched with the iron core body 2 is arranged at the top of the front surface of the back plate 3, the shielding antimagnetic cover 4 comprises a wire netting 7, insulating mats 8 connected to two sides of the wire netting 7 and an anti-corrosion rubber mat 9 connected to one side of the insulating mats 8, a guiding middle groove 13 is arranged in the middle of the front surface of the back plate 3, a guiding sliding block 14 matched with the guiding middle groove 13 is connected to the back surface of the shielding antimagnetic cover 4, a plurality of radiating fins 5 are arranged on the front surface of the shielding antimagnetic cover 4, a handle 12 convenient for moving the shielding antimagnetic cover 4 is fixedly connected to the middle of the two sides of the shielding antimagnetic cover 4, a limit bolt 15 for limiting and supporting the shielding antimagnetic cover 4 is connected to the two sides of the back surface of the back plate 3 through threads, one end of the limit bolt 15 extends to the bottom of the shielding bolt 4 through 3, and the other end of the limit bolt 15 is fixedly connected with a limit bolt 16 convenient for rotating;
In this embodiment, after the iron core body 2 is installed and connected, rotate the back removal of stop bolt 15 to backplate 3, can make the one end of stop bolt 15 no longer support the bottom that shelters from antimagnetic hood 4, later relevant personnel hand hold handle 12 can slowly will shelter from antimagnetic hood 4 and move down, and shelter from the direction slider 14 at antimagnetic hood 4 back can slide in direction slot 13 inside for shelter from antimagnetic hood 4 cover and establish in the outside of iron core body 2, finally shelter from antimagnetic hood 4's bottom and the block slot 6 block at bottom plate 1 top to accomplish and connect.
Referring to fig. 1 and 2, a clamping groove 6 is formed in the top of the bottom plate 1, the clamping groove 6 is correspondingly arranged with the shielding antimagnetic hood 4, the bottom of the shielding antimagnetic hood 4 is matched with the clamping groove 6, fixing plates 10 which are convenient for the installation of the bottom plate 1 are fixedly connected to the bottoms of the two sides of the bottom plate 1, and fixing holes 11 are formed in the middle of the fixing plates 10;
In this embodiment, can fix bottom plate 1 through fixed plate 10 and fixed orifices 11, and then be convenient for accomplish fixedly whole transformer core, and iron core body 2 is in the inboard that shelters from antimagnetic hood 4 in the use, shelter from antimagnetic hood 4's wire netting 7 and insulating pad 8, anticorrosive cushion 9 can play the effect that separates the fender and avoid outside magnetic leakage in the use.
Referring to fig. 1 and 5, the iron core body 2 includes a fixing bracket 17 and a plurality of silicon steel sheets 18 mounted in the middle of the fixing bracket 17, the corners of the fixing bracket 17 are respectively mounted with a connecting bolt 19 for fixing the silicon steel sheets 18, and both sides of the silicon steel sheets 18 are respectively provided with a through hole 20 for improving heat dissipation performance;
In this embodiment, the core of the iron core body 2 is a plurality of silicon steel sheets 18, the coil is wound on the outer side of the silicon steel sheets 18 in the transformer assembly process, and then the iron core body 2 and the coil wound on the iron core body form a complete electromagnetic induction system, and the fixing support 17 fastens the plurality of silicon steel sheets 18 together through the connecting bolts 19, and the through holes 20 can improve the permeability of the iron core body 2, so that the heat dissipation effect in the use process is improved.
When the transformer core avoiding magnetic leakage is specifically used, the whole transformer core can be mounted on a transformer through the fixing plate 10 and the fixing holes 11 in the use process, after the iron core body 2 is mounted and connected, the rotation limit bolt 15 moves towards the back of the backboard 3, one end of the limit bolt 15 can not support the bottom of the shielding antimagnetic hood 4, then a relevant person can hold the handle 12 to slowly move down the shielding antimagnetic hood 4, the guide sliding block 14 on the back of the shielding antimagnetic hood 4 can slide in the guide middle groove 13, the shielding antimagnetic hood 4 is sleeved on the outer side of the iron core body 2, finally the bottom of the shielding antimagnetic hood 4 is clamped with the clamping groove 6 on the top of the bottom plate 1, the iron core body 2 is positioned on the inner side of the shielding antimagnetic hood 4 in the use process, the iron wire mesh 7 and the insulating pad 8 and the anti-corrosion rubber pad 9 of the shielding antimagnetic hood 4 can play a role of blocking, the shielding antimagnetic hood 4 can be replaced regularly, particularly, the shielding antimagnetic hood 4 can be moved down to the back of the shielding antimagnetic hood 4, the shielding antimagnetic hood 4 can be replaced when the shielding antimagnetic hood 4 moves to the top of the backboard 3, the whole transformer core body is mounted to the front of the transformer core body, and the magnetic leakage loss can be greatly reduced, and the front of the transformer core can be replaced.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a avoid transformer core of magnetic leakage, includes bottom plate (1), its characterized in that: the iron core body (2) is installed on the top of bottom plate (1), the top fixedly connected with backplate (3) at bottom plate (1) back, positive top of backplate (3) is equipped with and blocks up antimagnetic hood (4) with iron core body (2) assorted, block up antimagnetic hood (4) including wire netting (7), connect insulating pad (8) in wire netting (7) both sides and connect anticorrosive cushion (9) in insulating pad (8) one side, slot (13) in the direction have been seted up at the positive middle part of backplate (3), block up antimagnetic hood (4) back be connected with slot (13) assorted direction slider (14) in the direction, slot (13) sliding connection in direction slider (14), the equal threaded connection in both sides at backplate (3) back carries out spacing bolt (15) of spacing support to blocking up antimagnetic hood (4), block up groove (6) at the top of bottom plate (1).
2. A leakage avoiding transformer core according to claim 1, wherein: the clamping groove (6) is arranged corresponding to the shielding antimagnetic hood (4), and the bottom of the shielding antimagnetic hood (4) is matched with the clamping groove (6).
3. A leakage avoiding transformer core according to claim 1, wherein: the bottom of bottom plate (1) both sides is all fixedly connected with fixed plate (10) of bottom plate (1) installation of being convenient for, fixed orifices (11) have been seted up at the middle part of fixed plate (10).
4. A leakage avoiding transformer core according to claim 1, wherein: one end of the limit bolt (15) penetrates through the back plate (3) to extend to the bottom of the shielding antimagnetic cover (4), and the other end of the limit bolt (15) is fixedly connected with a torsion bar (16) which is convenient for rotating the limit bolt (15).
5. A leakage avoiding transformer core according to claim 1, wherein: the front of shielding antimagnetic hood (4) is provided with a plurality of radiating fins (5) which are convenient to radiate, and the middle parts of the two sides of the shielding antimagnetic hood (4) are fixedly connected with handles (12) which are convenient to move and shield the antimagnetic hood (4).
6. A leakage avoiding transformer core according to claim 1, wherein: the iron core body (2) comprises a fixed support (17) and a plurality of silicon steel sheets (18) arranged in the middle of the fixed support (17), connecting bolts (19) which are convenient for fixing the silicon steel sheets (18) are arranged at corners of the fixed support (17), and through holes (20) which are convenient for improving heat dissipation performance are formed in two sides of the silicon steel sheets (18).
CN202322628071.3U 2023-09-27 2023-09-27 Transformer core capable of avoiding magnetic leakage Active CN220962983U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322628071.3U CN220962983U (en) 2023-09-27 2023-09-27 Transformer core capable of avoiding magnetic leakage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322628071.3U CN220962983U (en) 2023-09-27 2023-09-27 Transformer core capable of avoiding magnetic leakage

Publications (1)

Publication Number Publication Date
CN220962983U true CN220962983U (en) 2024-05-14

Family

ID=91004726

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322628071.3U Active CN220962983U (en) 2023-09-27 2023-09-27 Transformer core capable of avoiding magnetic leakage

Country Status (1)

Country Link
CN (1) CN220962983U (en)

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