CN217280375U

CN217280375U - Transformer framework

Info

Publication number: CN217280375U
Application number: CN202123231591.8U
Authority: CN
Inventors: 陈辉; 陈光华; 李振宇; 钟维兵; 熊斌; 贺来; 黄勇
Original assignee: Changsha Hangte Electronic Technology Co ltd
Current assignee: Changsha Hangte Electronic Technology Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-08-23
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a transformer framework, including wrapping post, copper sheet and parallel arrangement in the last limiting plate and the lower limiting plate at wrapping post both ends, go up the limiting plate with the lower limiting plate all extends to the peripheral direction of wrapping post, one side of lower limiting plate is provided with a plurality of pin, the intermediate position of wrapping post is provided with the boss, all form the wire winding groove between boss and the last limiting plate, the lower limiting plate, the boss is provided with the copper sheet groove on the side of keeping away from the pin, the copper sheet groove with the well kenozooecium phase of wrapping post is linked together; the utilization sets up the copper sheet groove in the wrapping post is inside for secondary winding twines in the inside of wrapping post, and primary side winding is in the outside of wrapping post, and then makes primary and secondary separate completely, can effectually avoid the contact between primary and the secondary, and then prevents that the circuit from getting the condition.

Description

Transformer framework

Technical Field

The utility model belongs to the technical field of the transformer, concretely relates to transformer skeleton.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and mainly achieves the purpose of voltage transformation by the action of an induced magnetic field generated by the action of current in a primary coil and a secondary coil. In order to meet the requirements of safety regulations and EMI (electromagnetic interference) of various countries in the world, a high-frequency transformer in a consumer electronics power supply is generally wound by adopting an enameled wire at a primary stage, is wound by adopting three layers of insulated wires at a secondary stage, and is provided with a shielding layer between the primary stage and the secondary stage; the primary coil and the secondary coil in the transformer are wound on a transformer framework, in the prior art, primary pins and secondary pins are generally distributed on one side and are arranged in a row, so that primary incoming and outgoing wires are easy to cross and short-circuit, the width of the wound wires is occupied, an insulating sleeve is required to be added for insulating and isolating, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide a transformer framework.

The utility model discloses the technical scheme who adopts does:

a transformer framework comprises winding posts, copper sheets and an upper limiting plate and a lower limiting plate which are arranged at two ends of each winding post in parallel, wherein round holes are formed in the center positions of the upper limiting plate and the lower limiting plate, the diameters of the round holes are the same with those of the hollow parts of the winding posts, magnetic core holes are formed in the round holes, the upper limiting plate and the lower limiting plate extend towards the peripheral direction of the winding posts, a plurality of pins are arranged on one side of the lower limiting plate, bosses are arranged in the middle of the winding posts, gaps are formed between the bosses and the upper limiting plate and between the bosses and the lower limiting plate, winding slots are formed between the bosses and the upper limiting plate and between the bosses and the lower limiting plate, copper sheet slots are formed in one side, away from the pins, and are communicated with the hollow parts of the winding posts.

Preferably, each pin is vertically installed on the lower side of the lower limiting plate and is vertical to the lower limiting plate, and a first lead groove is formed between each two pins.

Preferably, a plurality of second lead grooves are arranged on one side, close to the pins, of the boss, and the positions of the second lead grooves correspond to the positions of the first lead grooves one to one.

Preferably, an upper winding groove is formed between the boss and the upper limiting plate, a lower winding groove is formed between the boss and the lower limiting plate, the upper limiting plate and the lower limiting plate have the same width, and the copper sheet groove is formed in the middle of the boss.

Preferably, one side of the lower limiting plate, which is close to the copper sheet groove, is provided with a copper sheet installation groove, and the extending direction of the copper sheet installation groove is the same as the axis extending direction of the winding post.

Preferably, the copper sheet is arranged in a spiral mode, and the minimum diameter of the perpendicular face of the copper sheet in the spiral extending direction is the same as the diameter of the hollow portion of the winding post.

Preferably, both ends of the copper sheet are provided with bending surfaces, and the two bending surfaces are located on the same plane.

Preferably, the width of the copper sheet is matched with the size of the copper sheet mounting groove.

The utility model has the advantages that:

the utility model discloses the utilization is at the inside copper sheet groove that sets up of wrapping post for secondary winding twines in the inside of wrapping post, and primary coil side winding is in the outside of wrapping post, and then makes primary coil and secondary coil separate completely, can effectually avoid the contact between primary coil and the secondary coil, and then prevents that the circuit from getting the condition.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

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

FIG. 2 is a schematic view of the right side of the whole structure of the present invention;

FIG. 3 is a schematic view of the overall axial structure of the present invention;

fig. 4 is a schematic view of the copper sheet structure of the present invention.

In the figure: the method comprises the following steps of 1-winding posts, 2-upper limiting plates, 3-lower limiting plates, 4-magnetic core holes, 5-pins, 6-bosses, 7-upper winding grooves, 8-lower winding grooves, 9-copper sheet grooves, 10-copper sheets, 11-first lead grooves, 12-second lead grooves and 13-copper sheet mounting grooves.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

The following describes a specific embodiment of the present invention with reference to fig. 1-4, a transformer bobbin includes a winding post 1, a copper sheet 10, and an upper limiting plate 2 and a lower limiting plate 3 disposed at two ends of the winding post 1 in parallel, wherein a circular hole is disposed at a central position of each of the upper limiting plate 2 and the lower limiting plate 3, the circular hole has the same diameter as a hollow portion of the winding post 1 and forms a magnetic core hole 4, each of the upper limiting plate 2 and the lower limiting plate 3 extends in a peripheral direction of the winding post 1, a plurality of pins 5 are disposed at one side of the lower limiting plate 3, a boss 6 is disposed at a middle position of the winding post 1, a gap is formed between the boss 6 and the upper limiting plate 2, and the lower limiting plate 3, a winding slot is formed between the boss 6 and the upper limiting plate 2, and the lower limiting plate 3, a copper sheet slot 9 is disposed at a side of the boss 6 away from the pins 5, the copper sheet groove 9 is communicated with the hollow part of the winding post 1; an upper winding groove 7 is formed between the boss 6 and the upper limiting plate 2, a lower winding groove 8 is formed between the boss 6 and the lower limiting plate 3, the upper limiting plate 2 and the lower limiting plate 3 have the same width, and the copper sheet groove 9 is arranged in the middle of the boss 6; a copper sheet installation groove 13 is formed in one side, close to the copper sheet groove 9, of the lower limiting plate 3, and the extending direction of the copper sheet installation groove 13 is the same as the axis extending direction of the winding post 1; the winding post 1 is of a cylindrical structure, so that a winding groove is formed between the side edge of a boss 6 on the winding post 1 and an upper limiting plate 2 and a lower limiting plate 3 on the winding post 1, the winding groove is used for winding a primary wire and limiting the winding guide at the same time, a pin 5 is arranged and used for connecting an initial section or a terminal end of the primary wire, and a copper sheet groove 9 is arranged on the boss 6, so that a copper sheet 10 and the primary wire wound on the winding post 1 are completely separated, the copper sheet 10 is prevented from being in contact with the primary wire to cause short circuit, meanwhile, the interference between the copper sheet and the primary wire can be reduced, and the stability of the transformer is improved; this device utilizes and sets up the copper sheet groove in the post that winds for secondary (copper sheet 10) winding is in the inside of post that winds, and primary side winding is in the outside of post that winds, and then makes primary and secondary separate completely, can effectually avoid the contact between primary and the secondary, and then prevents that the circuit from getting the condition

Preferably, in an embodiment of the present invention, referring to fig. 1 to 4 again, each of the pins 5 is vertically installed at the lower side of the lower limiting plate 3 and is kept vertical to the lower limiting plate 3, and a first lead groove 11 is disposed between each two of the pins 5; a plurality of second lead grooves 12 are formed in one side, close to the pins 5, of the boss 6, and the positions of the second lead grooves 12 correspond to the positions of the first lead grooves 11 one by one respectively; can restrict the hookup location of direction through setting up first wire casing 11 and second wire casing 12, avoid touching each other between the elementary wire, can fix the elementary wire when improving transformer security at the outside winding insulating layer of coil after the elementary wire winding is good, prevent not hard up phenomenon.

Preferably, in a specific embodiment of the present invention, referring again to fig. 1 to 4, the copper sheet 10 is disposed in a spiral manner, and the minimum diameter of the copper sheet 10 on the perpendicular surface of the spiral extending direction is the same as the diameter of the hollow part of the winding post 1; bending surfaces are arranged at two ends of the copper sheet 10, and the two bending surfaces are positioned on the same plane; the width of the copper sheet 10 is matched with the size of the copper sheet mounting groove 13; by bending the copper sheet 10, one end of the copper sheet is inserted into the copper wire mounting groove 13, so that the copper sheet 10 can be fixed, and the installation process is more convenient and faster.

The utility model relates to a transformer framework, the theory of operation of its device is:

in the using process, a cylindrical structure is selected for the wrapping post 1 so as to guide the wrapping post 1 wound along the circumferential direction of the wrapping post 1, a wrapping groove is formed between the side edge of a boss 6 on the wrapping post 1 and an upper limiting plate 2 and a lower limiting plate 3 and used for winding a primary lead and limiting the winding guide at the same time, a pin 5 is arranged and used for connecting an initial section or a terminal end of the primary lead, and a copper sheet groove 9 is arranged on the boss 6, so that a copper sheet 10 and the primary lead wound on the wrapping post 1 can be completely separated, the copper sheet 10 is prevented from being in contact with the primary lead to cause short circuit, meanwhile, the interference between the copper sheet and the primary lead can be reduced, and the stability of the transformer is improved; the connection position of the guide can be limited by arranging the first lead slot 11 and the second lead slot 12, so that mutual touch between primary leads is avoided, an insulating layer can be wound outside a coil after the primary leads are wound, the primary leads can be fixed while the safety of the transformer is improved, and the phenomenon of looseness is prevented; can restrict the hookup location of direction through setting up first lead wire groove 11 and second lead wire groove 12, avoid touching each other between the elementary wire, can fix the elementary wire when improving the transformer security at the outside winding insulating layer of coil after the elementary wire winding is good, prevent not hard up phenomenon.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. A transformer skeleton which characterized in that: the winding post comprises a winding post (1), a copper sheet (10), an upper limiting plate (2) and a lower limiting plate (3) which are arranged at two ends of the winding post (1) in parallel, wherein round holes are formed in the center positions of the upper limiting plate (2) and the lower limiting plate (3), the diameters of the round holes are the same as those of the hollow part of the winding post (1) to form a magnetic core hole (4), the upper limiting plate (2) and the lower limiting plate (3) extend towards the peripheral direction of the winding post (1), a plurality of pins (5) are arranged on one side of the lower limiting plate (3), a boss (6) is arranged in the middle position of the winding post (1), gaps are formed among the boss (6), the upper limiting plate (2) and the lower limiting plate (3), and winding grooves are formed among the boss (6), the upper limiting plate (2) and the lower limiting plate (3), the copper sheet groove (9) is formed in one side, far away from the pin (5), of the boss (6), and the copper sheet groove (9) is communicated with the hollow portion of the winding post (1).

2. The transformer skeleton of claim 1, wherein: each pin (5) is vertically installed on the lower side of the lower limiting plate (3) and is vertical to the lower limiting plate (3), and a first lead groove (11) is formed between every two pins (5).

3. The transformer bobbin of claim 2, wherein: the boss (6) is provided with a plurality of second lead grooves (12) on one side close to the pins (5), and the positions of the second lead grooves (12) are respectively in one-to-one correspondence with the first lead grooves (11).

4. The transformer bobbin of claim 1, wherein: an upper winding groove (7) is formed between the boss (6) and the upper limiting plate (2), a lower winding groove (8) is formed between the boss (6) and the lower limiting plate (3), the upper limiting plate (2) and the lower limiting plate (3) are the same in width, and the copper sheet groove (9) is formed in the middle of the boss (6).

5. The transformer skeleton of claim 1, wherein: one side, close to the copper sheet groove (9), of the lower limiting plate (3) is provided with a copper sheet installation groove (13), and the extending direction of the copper sheet installation groove (13) is the same as the axis extending direction of the winding post (1).

6. The transformer skeleton of claim 5, wherein: the copper sheets (10) are arranged in a spiral mode, and the minimum diameter of the vertical face of each copper sheet (10) in the spiral extending direction is the same as the diameter of the hollow portion of the winding post (1).

7. The transformer skeleton of claim 6, wherein: bending surfaces are arranged at two ends of the copper sheet (10), and the two bending surfaces are located on the same plane.

8. The transformer skeleton of claim 7, wherein: the width of the copper sheet (10) is matched with the size of the copper sheet mounting groove (13).