CN211016726U

CN211016726U - LL C main transformer

Info

Publication number: CN211016726U
Application number: CN201921665226.8U
Authority: CN
Inventors: 李坚; 刘�文; 肖新祥
Original assignee: Hangzhou Pujing Electronic Technology Co ltd
Current assignee: Hangzhou Pujing Electronic Technology Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-14
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses an LL C main transformer, including support main part, magnetic core, support main part cover is established and is fixed on the magnetic core, support main part middle part is provided with the loop winding division board, around being equipped with primary on the support main part of loop winding division board one side, around being equipped with secondary in the support main part of its opposite side, all is provided with the lead wire fixed plate, each on the support main part support in the primary, secondary outside the lead wire fixed plate upper portion evenly has seted up a plurality of fixed slots for semi-circular and circumference direction, is provided with U type groove mounting in the fixed slot, the utility model discloses because the both ends wire winding end of primary is received on the fixed column, and is directly connected with the wire, after the wire breaks, only needs to tear the wire frid in the lead wire fixed plate outside and just can accomplish the change of wire, can not cause the waste.

Description

LL C main transformer

Technical Field

The utility model relates to an electrical components technical field especially relates to an LL C main transformer.

Background

A Transformer (Transformer) is a device that changes an alternating-current voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. According to the application, the method can be divided into: power transformers and special transformers, such as furnace transformers, power frequency test transformers, voltage regulators, audio transformers, intermediate frequency transformers, high frequency transformers, impulse transformers, instrument transformers, electronic transformers, reactors, transformers, etc.

The coil lead wire in the existing transformer is used as a coil copper wire, the lead wire is easily broken in the installation and use process, especially, when a secondary coil is composed of a plurality of winding coils, a plurality of lead wires are generated, one of the lead wires is more easily broken, the coils are required to be completely taken down, waste is caused, meanwhile, the quality of the transformer is influenced, and the LL C main transformer is designed aiming at the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an LL C main transformer possesses convenient wire winding, and the lead wire of coil need not leave the support, has solitary lead wire, and the problem of coil copper line breaking the lead wire easily in the installation use has been solved to the advantage of convenient maintenance change.

In order to achieve the purpose, the utility model adopts the following technical scheme that the LL C main transformer comprises a support main body and a magnetic core, wherein the support main body is sleeved and fixed on the magnetic core, the middle part of the support main body is provided with a ring winding isolation plate, a primary coil is wound on the support main body at one side of the ring winding isolation plate, a secondary coil is wound on the support main body at the other side of the ring winding isolation plate, lead fixing plates are respectively arranged on the supports of the support main body at the outer sides of the primary coil and the secondary coil, the upper parts of the lead fixing plates are semicircular and are uniformly provided with a plurality of fixing grooves in the circumferential direction, U-shaped groove fixing parts are arranged in the fixing grooves, fixing columns electrically connected with the primary coil or the secondary coil are arranged in the.

Furthermore, one end of the magnetic core is fixedly connected with a magnetic conduction shell, and the other end of the magnetic core is provided with a magnetic conduction end cover.

Furthermore, the magnetic conduction shell is E-shaped, the magnetic conduction shell is sleeved on the support main body, and the free end of the magnetic conduction shell is fixedly connected with the magnetic conduction end cover.

Furthermore, the magnetic conduction end cover is fixedly connected with the magnetic conduction shell through a screw.

Furthermore, an arc-shaped radiating fin is arranged on one side of the E-shaped magnetic guide shell.

Further, the arc-shaped radiating fin is fixed on the magnetic conduction end cover through a screw.

Furthermore, the bracket main body is of a tubular structure, a wire groove plate is sleeved on the bracket main body on the outer side of the lead fixing plate, a plurality of wire grooves distributed along an arc are formed in the wire groove plate, the wires electrically connected with the fixing columns are arranged in the wire grooves, and the free ends of the wires extend to the outside of the wire grooves.

Compared with the prior art, the utility model beneficial effect who has is:

1. the two ends of the primary coil are connected with the fixing columns in the corresponding U-shaped groove fixing pieces, and the wires are led out through thick wires;

2. meanwhile, the added arc-shaped radiating fins can accelerate heat dissipation and prolong the service life of the transformer.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a perspective view illustrating an internal structure of an LL C main transformer according to the present invention;

fig. 2 is an exploded schematic view of an LL C main transformer according to the present invention;

FIG. 3 is a schematic view of the left side portion of FIG. 2;

FIG. 4 is a schematic structural view of the right-hand portion of FIG. 2;

fig. 5 is a schematic perspective view of an LL C main transformer according to the present invention.

In the figure: 1-a bracket main body, 2-a magnetic core, 3-a ring winding isolation board, 4-a primary coil, 5-a secondary coil, 6-a lead fixing board, 7-a fixing groove, 8-a fixing column, 9-a lead, 10-a magnetic conduction shell, 11-a magnetic conduction end cover, 12-a U-shaped groove fixing piece, 13-an arc-shaped radiating fin, 14-a lead groove board and 15-a lead groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, an LL C main transformer includes a bracket main body 1 and a magnetic core 2, the bracket main body 1 is sleeved and fixed on the magnetic core 2, a ring winding isolation plate 3 is disposed in the middle of the bracket main body 1, a primary coil 4 is wound on the bracket main body 1 on one side of the ring winding isolation plate 3, a secondary coil 5 is wound on the bracket main body 1 on the other side of the bracket main body, lead fixing plates 6 are disposed on the brackets of the bracket main body 1 outside the primary coil 4 and the secondary coil 5, the upper portions of the lead fixing plates 6 are semicircular and have a plurality of fixing grooves 7 uniformly arranged in the circumferential direction, U-shaped groove fixing members 12 are disposed in the fixing grooves 7, fixing columns 8 electrically connected with the primary coil 4 or the secondary coil 5 are disposed in the U-shaped groove fixing members 12, and leads 9 electrically connected with.

One end of the magnetic core 2 is fixedly connected with a magnetic conduction shell 10, and the other end of the magnetic core 2 is provided with a magnetic conduction end cover 11; the magnetic conduction shell 10 is E-shaped, the magnetic conduction shell 10 is sleeved on the bracket main body 1, and the free end of the magnetic conduction shell is fixedly connected with the magnetic conduction end cover 11; the magnetic end cover 11 is fixedly connected with the magnetic shell 10 through a screw; an arc-shaped radiating fin 13 is arranged on one side of the E-shaped magnetic conduction shell 10; the arc-shaped radiating fins 13 are fixed on the magnetic conduction end cover 11 through screws; the bracket main body 1 is of a tubular structure, a wire groove plate 14 is sleeved on the bracket main body 1 outside the lead fixing plate 6, a plurality of wire grooves 15 distributed along an arc are formed in the wire groove plate 14, the wires 9 electrically connected with the fixing columns 8 are arranged in the wire grooves 15, and free ends of the wires extend to the outside of the wire grooves 15.

During the use, primary coil 4's both ends wire winding end of a thread is received on the fixed column 8 in corresponding U type groove mounting 12, and draw the line through thicker wire 9, because primary coil 4's both ends wire winding end of a thread is received on the fixed column, and directly not be connected with wire 9, after wire 9 broke down, only need tear wire frid 14 in the lead wire fixed plate 6 outside and tear down just can accomplish the change of wire, can not cause the waste, the arc fin 13 of joining simultaneously can accelerate the heat dissipation, increase the practical life of transformer, secondary coil 5 then need not break the coil, directly twine the round on fixed column 8, and weld and can continue to twine surplus number of turns on fixed column 8, can reduce extravagantly.

The details of the present invention are well known to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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.

Claims

1. The LL C main transformer comprises a support main body (1) and a magnetic core (2), wherein the support main body (1) is sleeved with and fixed on the magnetic core (2), and is characterized in that an annular winding isolation plate (3) is arranged in the middle of the support main body (1), a primary coil (4) is wound on the support main body (1) on one side of the annular winding isolation plate (3), a secondary coil (5) is wound on the support main body (1) on the other side of the support main body, lead fixing plates (6) are arranged on the support main body (1) on the outer sides of the primary coil (4) and the secondary coil (5), the upper portions of the lead fixing plates (6) are semicircular and are uniformly provided with a plurality of fixing grooves (7) in the circumferential direction, U-shaped groove fixing pieces (12) are arranged in the fixing grooves (7), fixing columns (8) electrically connected with the primary coil (4) or the secondary coil (5) are arranged in the U-shaped groove fixing pieces (12), and wires (9) electrically connected with the fixing.

2. An LL C main transformer according to claim 1, wherein one end of the magnetic core (2) is fixedly connected with a magnetic conducting shell (10), and the other end of the magnetic core (2) is provided with a magnetic conducting end cap (11).

3. An LL C main transformer according to claim 2, wherein the magnetic conductive shell (10) is E-shaped, the magnetic conductive shell (10) is sleeved on the bracket body (1), and the free end is fixedly connected with the magnetic conductive end cap (11).

4. An LL C main transformer according to claim 3, wherein the end cap (11) is fixedly connected to the magnetic shell (10) by screws.

5. An LL C main transformer according to claim 3, wherein one side of the magnetic conductive shell (10) of E-shape is provided with arc-shaped cooling fins (13).

6. An LL C main transformer according to claim 5, wherein the arc-shaped heat sink fins (13) are fixed to the magnetically conductive end cap (11) by screws.

7. An LL C main transformer according to claim 1, wherein the bracket body (1) is tubular, a wire groove plate (14) is sleeved on the bracket body (1) outside the lead fixing plate (6), a plurality of wire grooves (15) distributed along an arc are formed in the wire groove plate (14), the wires (9) electrically connected with the fixing posts (8) are disposed in the wire grooves (15), and the free ends of the wires extend to the outside of the wire grooves (15).