CN111986892B

CN111986892B - Magnetic core structure for transformer

Info

Publication number: CN111986892B
Application number: CN202010843028.7A
Authority: CN
Inventors: 沈宏江; 蔡忠贤; 张学舟
Original assignee: ANHUI HUALIN MAGNETIC TECHNOLOGY
Current assignee: ANHUI HUALIN MAGNETIC TECHNOLOGY
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2022-11-01
Anticipated expiration: 2040-08-20
Also published as: CN111986892A

Abstract

The invention discloses a magnetic core structure for a transformer, which comprises an installation base, wherein two sides of the top of the installation base are both connected with protective covers in a sliding manner, a fixed plate is welded at the top of each protective cover, two fourth springs are welded at one sides, close to each other, of the fixed plates, movable rods are sleeved at two sides of each protective cover, a baffle is welded at one end, far away from each other, of each movable rod, a clamping plate is welded at one end, far away from each other, of each movable rod, an anti-slip pad is pasted at the inner side of each clamping plate, a second spring sleeved on the outer ring of each movable rod is welded at one side, far away from each clamping plate, of each second spring, and the inner side of each protective cover is welded at one end, far away from each clamping plate, of each second spring. The device simple structure, the modern design can carry out effectual protection to the magnetic core, avoids the magnetic core to damage in the course of the work, improves the life of magnetic core, can protect the magnetic core simultaneously, and simple to use, the practicality is strong, is fit for extensively promoting.

Description

Magnetic core structure for transformer

Technical Field

The invention relates to the field of transformer magnetic cores, in particular to a magnetic core structure for a transformer.

Background

Magnetic core refers to a sintered magnetic metal oxide composed of various iron oxide mixtures. For example, manganese-zinc ferrite and nickel-zinc ferrite are typical magnetic core materials, manganese-zinc ferrite has characteristics of high magnetic permeability and high magnetic flux density and has a characteristic of low loss, nickel-zinc ferrite has characteristics of extremely high impedance, low magnetic permeability of less than several hundred, and the like, and ferrite cores are used in coils and transformers of various electronic devices.

Along with the continuous development of economy in China, land resources are increasingly lacked, the occupied area of a transformer substation is often limited, the direction of incoming and outgoing lines of an overhead bus of the transformer substation is also limited, and the arrangement direction of transformer bushings is often required to be changed to match the walking direction of the overhead bus of the transformer substation, so that the arrangement direction of the transformer bushings is consistent with the walking direction of the overhead bus of the transformer substation.

According to "a magnetic core structure for transformer" that patent number is CN107346702A, including the magnetic core body, the magnetic core body includes base, U type magnetic core and I type magnetic core are installed respectively at the both ends of base, it has the recess to open on the terminal surface of I type magnetic core, it has the coil to twine on I type magnetic core, it has the through-hole to open on the I type magnetic core, the through-hole is located the top of coil to be separated by a section distance with the recess, be provided with the copper sheet between U type magnetic core and the I type magnetic core, it has the groove to open on the base, the copper sheet is installed in the groove, I type magnetic core is made by the ferrite material, the width of base is greater than the diameter of U type magnetic core, the width of base is greater than the diameter of I type magnetic core. The invention has the beneficial effects that: simple structure, it is safe in utilization, realize high current characteristic, high magnetic conductivity and to the high tolerance of temperature variation, adopt the ferrite to make for the filter effect of magnetic core is good, adopts two kinds of magnetic columns to make up and forms, can make in the follow-up course of work, and the magnetic line of force between transformer and the inductance is independent, and each other does not influence, improves the stability of work, and the setting of through-hole has improved the security of magnetic core, and the copper sheet can be dismantled and install, satisfies different demands, and the function is various. And among the prior art, the magnetic core generally all exposes outside, in the course of the work, the magnetic core receives the damage easily, and then influences the use of transformer, and traditional magnetic core structure can not carry out effectual protection to the magnetic core, and simultaneously at the in-process of working, the magnetic core takes place the motion easily, uses inconveniently, and the practicality is not strong, is unsuitable to extensively promote.

Disclosure of Invention

Objects of the invention

In order to solve the technical problems in the background art, the invention provides a magnetic core structure for a transformer, which is simple in structure and novel in design, can effectively protect the magnetic core, avoids the magnetic core from being damaged in the working process, prolongs the service life of the magnetic core, can protect the magnetic core, is simple to use, has strong practicability and is suitable for wide popularization. The device has solved the magnetic core and has generally all exposed outside, and in the course of the work, the magnetic core receives the damage easily, and then influences the use of transformer, and traditional magnetic core structure can not carry out effectual protection to the magnetic core, and simultaneously at the in-process of working, the magnetic core takes place the motion easily, uses inconveniently, and the practicality is not strong, is unsuitable for extensive popularization scheduling problem.

(II) technical scheme

The invention provides a magnetic core structure for a transformer, which comprises an installation base, wherein two sides of the top of the installation base are both connected with protective covers in a sliding mode, a fixed plate is welded at the top of each protective cover, two fourth springs are welded at one side, close to each other, of the fixed plate, movable rods are sleeved at two sides of each protective cover, a baffle is welded at one end, far away from each movable rod, of each movable rod, a clamping plate is welded at one end, far away from each movable rod, of each movable rod, an anti-slip pad is pasted at the inner side of each clamping plate, a second spring sleeved on the outer ring of each movable rod is welded at one end, far away from each clamping plate, of each second spring and welded with the corresponding clamping plate, and is welded with the inner side of each protective cover, a bottom plate is welded at the top of the installation base, first springs are welded at two sides of the top of the installation base, anti-slip pads are pasted at the tops of the first springs, limiting columns are fixedly connected at the tops of the anti-slip pads, magnetic cores are sleeved on the outer rings of the limiting columns, third springs are welded with the outer rings and are welded with the installation base.

Preferably, the spout has all been seted up to the both sides of installation base, the slider has been cup jointed in the spout, the bottom of protective cover and the top welding of slider, the vertical cross-section of spout is the T type.

Preferably, the shape of grip block is the loop configuration, the material of grip block is high strength plastic, and the grip block pastes with the slipmat through powerful glue.

Preferably, first through-hole has all been seted up to the both sides of protective cover, the movable rod cup joints in first through-hole, the material of protective cover is high strength plastic.

Preferably, the shape of fixed plate is the arc, and central angle is 90, the material of fixed plate is high strength plastics.

Preferably, the non-slip mat is made of rubber, the magnetic core is cylindrical, a second through hole is formed in the center of the magnetic core, and the limiting column is sleeved in the second through hole.

Preferably, the height of the limiting column is 8-10 cm, the limiting column is made of cast iron, and the surface of the limiting column is coated with anti-rust paint.

Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:

the device is through installing grip block, buffer board, slipmat, magnetic core, spring, baffle and movable rod isotructure, wherein can control the motion of movable rod through the motion baffle, and then can control the motion of grip block, can carry out the centre gripping with the magnetic core through the grip block, prevents that the magnetic core from taking place the motion in the motion process, and the grip block can control the motion of protective cover at the motion meeting in-process, can protect the magnetic core through the protective cover. The device simple structure, the modern design can carry out effectual protection to the magnetic core, avoids the magnetic core to damage in the course of the work, improves the life of magnetic core, can protect the magnetic core simultaneously, and simple to use, the practicality is strong, is fit for extensively promoting.

Drawings

Fig. 1 is a schematic front view of a magnetic core structure for a transformer according to the present invention.

Fig. 2 is a schematic top view of a clamping plate of a magnetic core structure for a transformer according to the present invention.

Fig. 3 is a schematic perspective view of a position-limiting pillar of a magnetic core structure for a transformer according to the present invention.

Fig. 4 is a schematic top view of a protecting cover of a magnetic core structure for a transformer according to the present invention.

Reference numerals: 1. installing a base; 2. a clamping plate; 3. a base plate; 4. a buffer plate; 5. a non-slip mat; 6. A magnetic core; 7. a first spring; 8. a second spring; 9. a third spring; 10. a baffle plate; 11. a movable rod; 12. A protective cover; 13. a fourth spring; 14. a limiting column; 15. and (5) fixing the plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the magnetic core structure for a transformer provided by the invention includes an installation base 1, two sides of the top of the installation base 1 are both slidably connected with a protective cover 12, a fixed plate 15 is welded on the top of the protective cover 12, two fourth springs 13 are welded on one side of the fixed plate 15 close to each other, movable rods 11 are respectively sleeved on two sides of the protective cover 12, a baffle 10 is welded on one end of each movable rod 11 away from each other, a clamping plate 2 is welded on one end of each movable rod 11 away from each other, a non-slip pad 5 is adhered on the inner side of the clamping plate 2, a second spring 8 sleeved on the outer ring of the movable rod 11 is welded on one side of each clamping plate 2 away from each other, one end of the second spring 8 away from the clamping plate 2 is welded on the inner side of the protective cover 12, a bottom plate 3 is welded on the top of the installation base 1, a first spring 7 is welded on two sides of the top of the installation base 1, a buffer plate 4 is welded on one end of the first spring 7 away from the installation base 1, a top of the protective cover 4 is adhered with a non-slip pad 5, a limit post 14 is fixedly connected with a magnetic core 6, a third spring 9 welded on the inner side of the outer ring is welded on the protection cover 12, and one end of the installation base 12 is welded on the bottom welded with one end of the protection cover 12.

The spout has all been seted up to the both sides of installation base 1, the slider has been cup jointed in the spout, the bottom of protective cover 12 and the top welding of slider, the perpendicular cross-section of spout is the T type, grip block 2's shape is the loop configuration, grip block 2's material is high strength plastic, and grip block 2 pastes with slipmat 5 through the powerful glue, first through-hole has all been seted up to protective cover 12's both sides, movable rod 11 cup joints in first through-hole, protective cover 12's material is high strength plastic, fixed plate 15's shape is the arc, and the central angle is 90, fixed plate 15's material is high strength plastic, slipmat 5's material is rubber, the shape of magnetic core 6 is the cylinder, and the second through-hole has been seted up at the center, spacing post 14 cup joints in the second through-hole, spacing post 14's height is 8 ~ 10cm, spacing post 14's material is cast iron, and the fat liquoring of surface is anti-rust paint.

In the invention, when the magnetic core 6 needs to be fixed, a worker pulls the baffle 10 outwards through two hands, the baffle 10 moves outwards to drive the movable rod 11 to move outwards and further drive the clamping plate 2 to move towards two sides, the clamping plate 2 moves to extrude the second spring 8, so that the second spring 8 generates elastic potential energy, when the clamping plate 2 moves to the position of the protective cover 12, the baffle 10 continues to be pulled outwards, the protective cover 12 is driven to move towards two sides through the clamping plate 2, the protective cover 12 further moves towards two sides to stretch the third spring 9 and the fourth spring 13, when the opening of the protective cover 12 is larger than the diameter of the magnetic core 6, the magnetic core 6 is sleeved on the limiting column 14 through the opening, when the magnetic core 6 is sleeved on the limiting column 14, the magnetic core falls on the buffer plate 4 under the action of gravity, then the baffle 10 is loosened, the movable rod 11 can move the clamping plate 2 towards the middle under the action of the second spring 8, the protective cover 6 is clamped by the clamping plate 2, and the protective cover 12 can move towards the middle of the magnetic core 6 under the action of the third spring 9 and the fourth spring 13 to protect the magnetic core 6.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The magnetic core structure for the transformer comprises an installation base (1) and is characterized in that two sides of the top of the installation base (1) are all slidably connected with a protective cover (12), a fixed plate (15) is welded at the top of the protective cover (12), two fourth springs (13) are welded at one side, close to each other, of the fixed plate (15), movable rods (11) are all sleeved at two sides of the protective cover (12), a baffle (10) is welded at one end, far away from each other, of each movable rod (11), a clamping plate (2) is welded at one end, close to each other, of each movable rod (11), a non-slip mat (5) is pasted at the inner side of each clamping plate (2), a second spring (8) sleeved at the outer ring of each movable rod (11) is welded at one side, far away from each second spring (8), welded at one end of each clamping plate (2) and the inner side of the protective cover (12) is welded at the other, bottom plates (3) are welded at two ends of the top of the installation base (1), first springs (7) are all welded at two sides of the top of the installation base (1), a buffer column (4) is welded at one end, a buffer plate (4) is welded at the top of the non-slip mat (5), and the top of the non-slip mat (5) is connected with a limiting plate (14), magnetic core (6) have been cup jointed to the outer lane of spacing post (14), the inboard bottom welding of protective cover (12) has third spring (9), third spring (9) keep away from with protective cover (12) welded one end and installation base (1) welding.

2. The magnetic core structure of transformer according to claim 1, wherein the mounting base (1) has sliding grooves formed on both sides thereof, the sliding grooves are sleeved with sliding blocks, the bottom ends of the protecting covers (12) are welded to the tops of the sliding blocks, and the vertical cross-sections of the sliding grooves are T-shaped.

3. The magnetic core structure for the transformer according to claim 1, wherein the clamping plate (2) is in a ring structure, the clamping plate (2) is made of high-strength plastic, and the clamping plate (2) is adhered to the non-slip mat (5) by super glue.

4. The magnetic core structure of the transformer according to claim 1, wherein the protective cover (12) has first through holes at both sides thereof, the movable rod (11) is sleeved in the first through holes, and the protective cover (12) is made of high strength plastic.

5. The magnetic core structure for the transformer according to claim 1, wherein the shape of the fixing plate (15) is an arc shape, the central angle of the fixing plate is 90 °, and the fixing plate (15) is made of high-strength plastic.

6. The magnetic core structure for the transformer according to any one of claims 1-5, wherein the non-slip mat (5) is made of rubber, the magnetic core (6) is cylindrical, a second through hole is formed in the center of the magnetic core, and the limiting column (14) is sleeved in the second through hole.

7. The magnetic core structure for the transformer according to claim 1, wherein the height of the limiting post (14) is 8-10 cm, the material of the limiting post (14) is cast iron, and the surface of the limiting post is coated with anti-rust paint.