E-shaped magnetic core structure of transformer

Abstract

The utility model discloses a transformer E-shaped magnetic core structure which comprises a flange plate and further comprises a detachable wire core structure, the detachable wire core structure comprises an E-shaped frame installed on one side of the flange plate, side frames are arranged on the two sides of the E-shaped frame, an input coil and an output coil are arranged on the surfaces of the side frames on the two sides respectively, and a middle frame is arranged in the middle of the E-shaped frame. A bracket is arranged on one side of the middle frame, a lining plate is erected on the surface of the bracket, a bolt is installed between the bracket and the lining plate in a screwed mode, a nut is arranged at the tail end of the bolt, a side wing is arranged on the side edge of the lining plate, and cover plates are arranged on the two sides of the side wing and installed on the surface of the side frame in a buckled mode. According to the utility model, through the arrangement of the detachable wire core structure, in the use process of the structure, the bracket structure is arranged on the middle frame of the E-shaped frame, and the erection effect of the cover plates on the two sides is realized in a manner of erecting the lining plate through the bracket. The lining plate pulls the cover plate to cover the surfaces of the coils, and the effect of compacting the coils on the two sides is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer magnetic core technical field especially relates to a transformer E type magnetic core structure. BACKGROUND

[0002] The transformer magnetic core is a key component of the transformer, which has a direct impact on the performance of the transformer. The transformer is a kind of static electrical equipment, which changes the level of alternating voltage through electromagnetic induction principle, and can also be used for impedance matching and isolation circuit. The main function of the magnetic core is to provide a closed magnetic circuit, so that the magnetic field generated by the primary winding of the transformer can be effectively coupled into the secondary winding, thereby realizing the transmission of electric energy from the primary to the secondary.

[0003] The Chinese invention patent with the publication number CN203839169U discloses a kind of transformer magnetic core grounding structure, the patent includes framework and magnetic core, still include the magnetic core grounding lead wire connected on the framework needle pin, the magnetic core grounding lead wire is fixedly adhered to the outer wall of the magnetic core by adhesive tape, and the magnetic core grounding lead wire is at least adhered to a corner of magnetic core.In the process of producing transformer, transformer magnetic core needs to be grounded, and this process is mainly to reduce electromagnetic interference (EMI);The utility model adopts a new transformer magnetic core grounding structure, the magnetic core grounding lead wire connected to the framework needle pin is introduced to the outer wall of the magnetic core from the outside of the framework, and then the magnetic core grounding lead wire is folded to make the end part of the lead wire adhere to the corner of the adjacent outer wall of the magnetic core.The transformer magnetic core grounding structure has more contact surfaces between the magnetic core grounding lead wire and the outer wall of the magnetic core, and there is no poor contact phenomenon after impregnation;This structure simplifies the production process, reduces the production materials, and improves the production efficiency.

[0004] In the prior art, in order to realize the effect of voltage transmission between the transformer coils, different density coils are wound on the surface of the core respectively. The coils are directly fixed on the surface of the core, which will cause certain difficulty in replacement and maintenance of the coils, and further reduce the service life of the core. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a transformer E type magnetic core structure.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A transformer E type magnetic core structure includes a flange plate, and further includes:

[0008] The detachable wire core structure comprises an E-shaped frame installed on one side of the flange plate, side frames are arranged on both sides of the E-shaped frame, input coils and output coils are respectively arranged on surfaces of the two side frames, a middle frame is arranged at a middle part of the E-shaped frame, a bracket is arranged on one side of the middle frame, a lining plate is arranged on a surface of the bracket, bolts are tightly installed between the bracket and the lining plate, nuts are arranged at ends of the bolts, side wings are arranged on side edges of the lining plate, cover plates are arranged on both sides of the side wings, and the cover plates are buckled and installed on surfaces of the side frames.

[0009] In a further technical scheme, the E-shaped frame is made of insulating material, and the input coils and the output coils are tightly arranged on surfaces of the side frames.

[0010] In a further technical scheme, the bracket is installed at a height that is flush with a top of the coils, and the cover plates are tightly installed on surfaces of the input coils and the output coils.

[0011] In a further technical scheme, the detachable wire core structure further comprises:

[0012] The cooling structure comprises a motor that is butt-joint installed on one side of the flange plate, a rotating shaft that is arranged at an output end of the motor, blades that are arranged around the rotating shaft, and a dust cover that is cover-installed on an outer side of the motor.

[0013] In a further technical scheme, the bottom of the flange plate is provided with load reduction holes, and the periphery of the flange plate is provided with screws.

[0014] In a further technical scheme, the diameters of the two side frames are kept consistent, and the middle frame is made of heavy-load material.

[0015] In a further technical scheme, the cover plates are made of insulating material and are slidingly arranged on surfaces of the side frames.

[0016] Compared with the prior art, the transformer E-shaped magnetic core structure has the following beneficial effects:

[0017] The detachable wire core structure is provided with the bracket structure on the middle frame of the E-shaped frame, the lining plate is arranged on the bracket, and the cover plates are arranged on both sides of the lining plate, so that the cover plates are arranged on surfaces of the coils, and the coils are compacted. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure of the transformer E-shaped magnetic core structure is shown in the structure diagram.

[0019] Figure 2 The structure of the transformer E-shaped magnetic core structure is shown in the structure diagram.

[0020] Figure 3 A cross-sectional structural schematic view of a transformer E-type magnetic core structure is provided in the utility model.

[0021] Figure 4 A top view structural schematic view of a transformer E-type magnetic core structure is provided in the utility model.

[0022] In the figure: 1, flange plate; 2, detachable wire core structure; 3, cooling structure; 4, E-type frame; 5, side frame; 6, middle frame; 7, input coil; 8, output coil; 9, bracket; 10, bolt; 11, lining plate; 12, nut; 13, side wing; 14, cover plate; 15, motor; 16, rotating shaft; 17, blade; 18, dust cover; 19, load reduction hole; 20, screw. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] Embodiment one: refer to Figure 1 - Figure 4 A transformer E-type magnetic core structure, comprising a flange plate 1, the flange plate 1 is the component for installation of the device. Further comprising:

[0025] detachable wire core structure 2, detachable wire core structure 2 includes E-type frame 4 installed on one side of flange plate 1, as the wire core structure of E-type. The two sides of E-type frame 4 are provided with side frame 5, and the surface of side frame 5 is the part of coil winding installation. The surfaces of the two side frames 5 are respectively provided with input coil 7 and output coil 8, which are respectively used as the parts of current input and output. The middle part of E-type frame 4 is provided with middle frame 6, which is the part of installation of the frame structure. One side of middle frame 6 is provided with bracket 9, which is the part of limiting installation of lining plate 11. The surface of bracket 9 is provided with lining plate 11, and the bolt 10 is rotatably installed between bracket 9 and lining plate 11, and the bolt 10 and nut 12 fix the lining plate 11 on the surface of bracket 9. The end of bolt 10 is provided with nut 12, and the side edge of lining plate 11 is provided with side wing 13, and the cover plate 14 on side wing 13 realizes the pressing and limiting effect of the coil. The two sides of side wing 13 are provided with cover plate 14, and the cover plate 14 is buckled and installed on the surface of side frame 5.

[0026] A transformer E-type magnetic core structure, E-type frame 4 is made of insulating material, and input coil 7 and output coil 8 are tightly wound on the surface of side frame 5, so that the current can be stably transmitted.

[0027] The mounting height of the bracket 9 is flush with the top height of the coil, so that the cover plates 14 on both sides can be stably arranged on the surface of the coil.

[0028] The transformer E-shaped magnetic core structure further comprises:

[0029] The cooling structure 3 comprises a motor 15 which is mounted on one side of the flange plate 1 in butt joint mode, the motor 15 rotates through the blades 17 on the rotating shaft 16, so that the coil can be cooled in real time, and the overheat condition can be avoided.

[0030] The transformer E-shaped magnetic core structure further comprises:

[0031] The transformer E-shaped magnetic core structure further comprises:

[0032] The transformer E-shaped magnetic core structure further comprises:

[0033] In the actual design process, in order to avoid the following defects in the prior art: in the prior art, in order to realize the voltage transmission effect between the transformer coils, different density coils are generally wound on the surface of the coil.

[0034] The detachable coil structure 2 comprises:

[0035] The structure sets the traditional wire core as an E-shaped structure, the E-shaped frame 4 is set as a three-bar structure, and side frames 5 and a middle frame 6 are arranged in three directions respectively; input coils 7 and output coils 8 sleeved on the side frames 5 are used as input terminals and output terminals of electric current respectively. The structure is used to realize the transmission and transformation effect of voltage. In order to realize the pressing and detachability of the coils, a lining plate 11 is arranged on the surface of a bracket 9, the lining plate 11 is fixed on the surface of the bracket 9 by screwing a bolt 10 and a nut 12, and both sides of the lining plate 11 are fixedly arranged with a cover plate 14 through side wings 13, the cover plate 14 is buckled on the surface of the side frame 5, and the pressing effect of the coils on both sides is realized. When the coils need to be removed for maintenance, the cover plates 14 on both sides can be removed by removing the lining plate 11 at the middle position along the middle frame 6, and the input coils 7 and the output coils 8 on both sides can be removed for maintenance.

[0036] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus. The above description is only the preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A transformer E-core structure comprising a flange plate (1), characterized in that, Also include: The detachable wire core structure (2) includes an E-shaped frame (4) installed on one side of the flange plate (1), both sides of the E-shaped frame (4) are provided with side frames (5), the surfaces of the two side frames (5) are respectively provided with input coils (7) and output coils (8), the middle part of the E-shaped frame (4) is provided with a middle frame (6), one side of the middle frame (6) is provided with a bracket (9), the surface of the bracket (9) is provided with a lining plate (11), a bolt (10) is rotatably installed between the bracket (9) and the lining plate (11), the end of the bolt (10) is provided with a nut (12), the side edge of the lining plate (11) is provided with a side wing (13), both sides of the side wing (13) are provided with cover plates (14), and the cover plates (14) are snap-fitted on the surfaces of the side frames (5).

2. A transformer E-core structure according to claim 1, characterized in that The E-shaped frame (4) is made of insulating material, and the input coils (7) and the output coils (8) are tightly wound on the surfaces of the side frames (5).

3. A transformer E-core structure according to claim 1, characterized in that The mounting height of the bracket (9) is flush with the top height of the coils, and the cover plates (14) are tightly installed on the surfaces of the input coils (7) and the output coils (8).

4. A transformer E-core structure according to claim 1, characterized in that Also include: The cooling structure (3) includes a motor (15) which is butt-jointed on one side of the flange plate (1), the output end of the motor (15) is provided with a rotating shaft (16), the periphery of the rotating shaft (16) is provided with blades (17), and the outer side of the motor (15) is covered with a dust cover (18).

5. A transformer E-core structure according to claim 1, wherein The bottom of the flange plate (1) is provided with a load reduction hole (19), and the periphery of the flange plate (1) is provided with screws (20).

6. A transformer E-core structure according to claim 1, wherein The diameters of the two side frames (5) are consistent, and the middle frame (6) is made of heavy load material.

7. A transformer E-core structure according to claim 1, wherein The cover plates (14) are made of insulating material and are slidably arranged on the surfaces of the side frames (5).

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