CN216671365U

CN216671365U - High-power transformer

Info

Publication number: CN216671365U
Application number: CN202123447963.0U
Authority: CN
Inventors: 陈发东
Original assignee: Shanghai Debaishi Electric And Electronic Co ltd
Current assignee: Shanghai Debaishi Electric And Electronic Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-03
Anticipated expiration: 2031-12-31

Abstract

The utility model belongs to the technical field of the technique of transformer and specifically relates to a high-power transformer is related to, including winding a section of thick bamboo, wind being equipped with the coil on the lateral wall of a section of thick bamboo, the coil is formed around establishing by the wire of platykurtic, and adjacent wire passes through the mutual butt of broadside lateral wall, and it has the top magnetic core to peg graft around the one end of a section of thick bamboo, and the other end is pegged graft and is had the bottom magnetic core, and the top magnetic core all sets up to E type magnetic core with the bottom magnetic core. The capacity of the transformer can be improved, and the probability that the transformer is burnt due to overlarge actual power is reduced.

Description

High-power transformer

Technical Field

The application relates to the technical field of transformers, in particular to a high-power transformer.

Background

The transformer is a device for changing alternating current voltage by using the principle of electromagnetic induction, and the main components are a coil and a magnetic core. Transformers are often used to step up and down voltages, couple signals, isolate, and stabilize voltages in integrated circuit boards.

When the actual power in the transformer exceeds the capacity of the transformer, the transformer has a risk of blowing out the coil, or even the transformer.

SUMMERY OF THE UTILITY MODEL

In order to improve the capacity of the transformer and reduce the probability of burning down the transformer due to overlarge actual power, the application provides a high-power transformer.

The application provides a high-power transformer adopts following technical scheme:

the utility model provides a high-power transformer, includes around a section of thick bamboo, it is equipped with the coil to wind on the lateral wall of a section of thick bamboo to wind, the coil is formed around establishing by the wire of platykurtic, and adjacent wire passes through the mutual butt of broadside lateral wall, it has the top magnetic core to peg graft around the one end of a section of thick bamboo, and the other end is pegged graft and is had the bottom magnetic core, the top magnetic core with the bottom magnetic core all sets up to E type magnetic core.

By adopting the technical scheme, the flat section of the lead increases the section area of the lead, reduces the resistance of the lead and improves the rated current in the lead, thereby improving the maximum power of the transformer, namely the capacity of the transformer, further reducing the probability that the transformer is burnt due to overlarge actual power, and the adjacent leads are mutually abutted through the wide side walls, increasing the contact area between the adjacent leads and improving the overall stability of the coil.

Preferably, the winding drum is close to one end of the bottom magnetic core is fixedly connected with a clamping frame, and the bottom magnetic core is clamped in the clamping frame.

Through adopting above-mentioned technical scheme, the joint frame has spacing effect to the bottom magnetic core, has restricted the rotation of bottom magnetic core relative winding section of thick bamboo, in addition, joint frame joint and fixed connection in integrated circuit board, and the transformer passes through the joint frame and realizes the firm installation on integrated circuit board.

Preferably, limiting plates are arranged at two ends of the winding drum, and the winding drum is fixedly connected with the clamping frame through the limiting plates.

By adopting the technical scheme, the limiting plates at the two ends of the winding drum have a limiting effect on the coil, so that the coil is limited to move along the axis of the winding drum, and the connection stability of the coil on the winding drum is improved.

Preferably, the top magnetic core includes the roof, one side of roof is provided with the top center post and divides the top jamb of locating top center post both sides, the bottom magnetic core includes the bottom plate, one side of bottom plate is provided with the bottom center post and divides the bottom jamb of locating bottom center post both sides, the top magnetic core with limiting plate or bottom magnetic core fixed connection.

Through adopting above-mentioned technical scheme, top magnetic core and limiting plate or bottom magnetic core fixed connection to realized the firm connection of top magnetic core in the transformer, restricted the space removal and the rotation of top magnetic core, improved the overall structure stability of transformer.

Preferably, the top magnetic core is adhered to one side of the limiting plate, which is far away from the winding drum, and the top side pillar and the bottom side pillar are mutually abutted.

Through adopting above-mentioned technical scheme, the top magnetic core adhesion has realized the fixed of top magnetic core in the transformer in the limiting plate, and the connected mode of top magnetic core has been simplified to the mode of adhesion, has improved the production efficiency of transformer spare part, has better economic nature.

Preferably, the top side column is matched with the bottom side column in an inserting manner.

Through adopting above-mentioned technical scheme, the cooperation of pegging graft of top side post and bottom side post has realized the fixed connection of top magnetic core and bottom magnetic core, and the staff of being convenient for of grafting complex mode links to each other or separates top magnetic core and bottom magnetic core.

Preferably, one of the top side column is provided with a butt joint block at its end, and the other top side column is provided with a butt joint groove at its end, one side of the butt joint block is fixedly connected with a plug-in column, the axis of the plug-in column is arc-shaped, the plug-in groove is provided on the side wall of the butt joint groove, the axis of the plug-in groove is arc-shaped, the bottom magnetic core is identical to the top magnetic core in structure and size, the plug-in column of the top side column is in plug-in fit with the plug-in groove of the bottom side column, and the plug-in column of the bottom side column is in plug-in fit with the plug-in groove of the top side column.

Through adopting above-mentioned technical scheme, the grafting cooperation of grafting post and inserting groove has formed a grafting unit, and fixed connection is realized through two grafting units to top magnetic core and bottom magnetic core, and the top magnetic core and the bottom magnetic core of looks isostructure have reduced the spare part kind of transformer, have improved the commonality of spare part, are favorable to improving the production efficiency and the maintenance efficiency of transformer.

Preferably, one end of the insertion column, which is far away from the abutting block, and the opening of the insertion groove are both provided with chamfer structures.

Through adopting above-mentioned technical scheme, the chamfer structure has the effect of direction, provides the convenience for the grafting cooperation of top magnetic core and bottom magnetic core.

In summary, the present application includes at least one of the following beneficial technical effects:

the flat section of the lead increases the section area of the lead, reduces the resistance of the lead and improves the rated current in the lead, thereby improving the maximum power of the transformer, namely the capacity of the transformer, further reducing the burning probability of the transformer due to overlarge actual power, and the adjacent leads are mutually abutted through the wide side walls, increasing the contact area between the adjacent leads and improving the overall stability of the coil;

the top magnetic core and the bottom magnetic core are fixedly connected through the two inserting units;

the top magnetic core and the bottom magnetic core with the same structure reduce the types of parts of the transformer, improve the universality of the parts and are beneficial to improving the production efficiency and the maintenance efficiency of the transformer.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1;

FIG. 2 is a schematic structural view of a bobbin and a chuck frame in example 1;

FIG. 3 is a sectional view of embodiment 1;

FIG. 4 is an exploded view of example 1;

FIG. 5 is a schematic view of the entire structure of embodiment 2;

FIG. 6 is a schematic view showing the top core and the bottom core in accordance with embodiment 2;

FIG. 7 is a schematic view showing the top and bottom cores of example 2 fitted together from another perspective;

fig. 8 is a schematic view of the mounting state of embodiment 2.

Reference numerals: 1. winding the cylinder; 11. a limiting plate; 2. clamping the frame; 21. a long side plate; 22. a broadside side panel; 23. a pin mounting seat; 24. a stitch; 3. a coil; 4. a top magnetic core; 41. a top plate; 42. a top center column; 43. a top jamb; 5. a bottom magnetic core; 51. a base plate; 52. a bottom center column; 53. a bottom jamb; 61. a butting block; 611. inserting the columns; 62. a butt joint groove; 621. and (4) inserting the slots.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses a high-power transformer.

Example 1:

referring to fig. 1 and 2, high-power transformer is including being cylindric around a section of thick bamboo 1, around the equal fixedly connected with limiting plate 11 in section of thick bamboo 1's both ends, and limiting plate 11 wholly is the ring disk form and sets up to with around a section of thick bamboo 1 coaxial setting, for the ease of production, limiting plate 11 can with around a section of thick bamboo 1 integrated into one piece setting. One end around a section of thick bamboo 1 is provided with joint frame 2, and joint frame 2 wholly is the rectangle frame form setting, and joint frame 2 with around a section of thick bamboo 1 coaxial setting, joint frame 2 fixed connection keeps away from one side around section of thick bamboo 1 in limiting plate 11.

Referring to fig. 2, the latch frame 2 includes two long side plates 21 and two wide side plates 22, and the height of the wide side plates 22 is greater than that of the long side plates 21. 2 joint of joint frame and fixed connection in integrated circuit board to realize the firm installation of transformer on integrated circuit board, at joint frame 2 and integrated circuit board fixed connection's in-process, broadside curb plate 22 pegs graft in integrated circuit board, long limit curb plate 21 butt in integrated circuit board.

All be provided with a plurality of stitch mount pads 23 on the lateral wall of two long limit curb plates 21, stitch mount pad 23 is arranged along the even interval of long limit direction of joint frame 2. Pins 24 are inserted into the pin mounting seats 23, so that convenience is provided for electrical connection of other parts on the transformer and the integrated circuit board.

Referring to fig. 3, coil 3 is wound on the outer side wall of winding drum 1, coil 3 is formed by winding an enameled wire, the structure of coil 3 is single-layer spiral, coil 3 abuts against limiting plate 11 along both ends of the axis of winding drum 1, and limiting plate 11 has a limiting effect on coil 3, so that coil 3 is limited to move along the axial direction of winding drum 1. The wires in the coil 3 are flat wires, and in the coil 3, the wires of adjacent turns are abutted against each other through the broadside side walls.

The flat wire increases the section area of the wire, reduces the resistance of the wire and improves the rated current of the wire on the premise of not changing the number of turns and the axial length of the coil 3, thereby improving the capacity of the transformer and reducing the probability of burning the transformer due to overlarge actual power. In addition, the flat wires also increase the contact area between adjacent wires, and improve the overall structural stability of the coil 3.

Referring to fig. 3 and 4, a top magnetic core 4 is arranged at one end of the winding drum 1 far away from the clamping frame 2, the top magnetic core 4 is an E-shaped magnetic core and comprises a rectangular top plate 41, a top central column 42 is vertically arranged on one side of the top plate 41, top side columns 43 are symmetrically arranged on two sides of the top central column 42, and the top plate 41, the top central column 42 and the two top side columns 43 are integrally formed. The top plate 41 abuts against and is adhered to one side, far away from the winding drum 1, of the limiting plate 11 so as to realize the fixed arrangement of the top magnetic core 4 in the transformer, the top central column 42 is inserted into the inner cavity of the winding drum 1, and the top side columns 43 are arranged close to the outer side of the coil 3.

The cross section of the top center column 42 is the same as the cross section of the inner cavity of the winding drum 1, and both are circular, and one side of the top side column 43 close to the winding drum 1 is a cylindrical surface which is coaxial with the winding drum 1. Cylindric top center post 42 and inside wall set up the top side post 43 for the face of cylinder and all are favorable to top magnetic core 4 and the close fit around a section of thick bamboo 1, have improved top magnetic core 4 and have wound a section of thick bamboo 1's stability of being connected.

Referring to fig. 4, one end of the winding drum 1 close to the clamping frame 2 is provided with a bottom magnetic core 5, the bottom magnetic core 5 and the top magnetic core 4 are identical in structure and size, and the universality of transformer parts is improved by the same structure, so that the production efficiency and the maintenance efficiency of the transformer are improved.

Referring to fig. 2 and 4, the bottom core 5 is also provided as an E-core, comprising a bottom plate 51, a bottom center post 52 and two bottom side posts 53. Bottom plate 51 joint is in joint frame 2, and bottom plate 51's thickness equals with the height of long limit curb plate 21, and when joint frame 2 joint and fixed connection in integrated circuit board, limiting plate 11 and the common centre gripping bottom plate 51 of integrated circuit board have improved the installation stability of bottom magnetic core 5 in the transformer. Referring to fig. 3, the bottom center post 52 is inserted into the inner cavity of the bobbin 1 and abuts against the top center post 42. The bottom jamb 53 is located outside the coil 3 and abuts the top jamb 43.

The implementation principle of the embodiment 1 is as follows:

on the premise of not changing the axial length and the number of turns of the coil 3, the lead is set to be a flat lead, so that the section area of the lead is increased, and the resistance of the lead is reduced, thereby improving the rated current of the lead, improving the maximum power of the transformer, namely the capacity of the transformer, and further reducing the probability of burning the transformer due to overlarge actual power.

Example 2:

referring to fig. 5 and 6, the present embodiment is different from embodiment 1 in that the top core 4 and the bottom core 5 are fixedly connected by the insertion fit of the top side pillar 43 and the bottom side pillar 53. At the junction of a set of top jamb 43 and bottom jamb 53 that mutually abut, the one end of top jamb 43 near bottom jamb 53 is integrally provided with the abutting block 61, the abutting block 61 is located at one end of the bottom surface of top jamb 43, one side of abutting block 61 is integrally provided with the peg 611, the center line of peg 611 is set in a circular arc shape, and the center of the circular arc is on the axis around tube 1.

Referring to fig. 6, an abutting groove 62 is formed at one end of the bottom side pillar 53 close to the top side pillar 43, an insertion groove 621 is formed on a side wall of the abutting groove 62, a center line of the insertion groove 621 is arranged in an arc shape, and the center line of the insertion groove 621 and a center line of the insertion pillar 611 are arranged concentrically. The inserting column 611 is inserted and matched with the inserting groove 621, the abutting block 61 is engaged and matched with the abutting groove 62, the chamfering treatment is carried out on one end of the inserting column 611 far away from the abutting block 61 and the opening of the inserting groove 621, the chamfering structure has the guiding effect, and the inserting matching of the inserting column 611 and the inserting groove 621 is facilitated.

Referring to fig. 7, the other set of top and bottom side posts 43 and 53 abutting each other have the same structure and connection, but the top side post 43 is provided with an abutting groove 62 and a plugging groove 621 at the end, and the bottom side post 53 is provided with an abutting block 61 and a plugging post 611 at the end. So set up for top magnetic core 4 and bottom magnetic core 5 still keep the same structure and size, make the spare part of transformer still have certain commonality.

The cooperation mode of pegging graft of top magnetic core 4 and bottom magnetic core 5 is convenient for the staff and links to each other or separate top magnetic core 4 and bottom magnetic core 5, is favorable to the dismantlement and the installation of transformer.

Implementation principle of example 2:

fixedly connected's a section of thick bamboo 1 and joint frame 2 are as the frame of transformer, have the effect of supporting to other spare parts of transformer, wind coil 3 on locating the lateral wall of a section of thick bamboo 1 to the wire welding that will draw is to stitch 24 on, with bottom magnetic core 5 joint in joint frame 2, later with joint frame 2 joint and fixed connection in integrated circuit board, in order to realize the firm installation of transformer main part on integrated circuit board. Peg graft top magnetic core 4 and keeping away from the one end of joint frame 2 around section of thick bamboo 1, there is certain corner between top magnetic core 4 and bottom magnetic core 5 during grafting, as shown in fig. 8, afterwards, rotate top magnetic core 4 for peg graft post 611 and inserting groove 621 and peg graft the cooperation, butt piece 61 and the cooperation of butt groove 62 joint, can accomplish the installation of top magnetic core 4.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high-power transformer, its characterized in that includes around a section of thick bamboo (1), around being equipped with coil (3) on the lateral wall around a section of thick bamboo (1), coil (3) are formed around establishing by the wire of platykurtic, and adjacent wire passes through the mutual butt of broadside lateral wall, it has top magnetic core (4) to peg graft around the one end of a section of thick bamboo (1), and the other end is pegged graft and is had bottom magnetic core (5), top magnetic core (4) with bottom magnetic core (5) all set up to E type magnetic core.

2. The high-power transformer according to claim 1, wherein a clamping frame (2) is fixedly connected to one end of the winding drum (1) close to the bottom magnetic core (5), and the bottom magnetic core (5) is clamped in the clamping frame (2).

3. The high-power transformer according to claim 2, wherein two ends of the winding drum (1) are respectively provided with a limiting plate (11), and the winding drum (1) is fixedly connected with the clamping frame (2) through the limiting plates (11).

4. The high-power transformer according to claim 3, wherein the top magnetic core (4) comprises a top plate (41), a top central column (42) and top side columns (43) respectively arranged at two sides of the top central column (42) are arranged at one side of the top plate (41), the bottom magnetic core (5) comprises a bottom plate (51), a bottom central column (52) and bottom side columns (53) respectively arranged at two sides of the bottom central column (52) are arranged at one side of the bottom plate (51), and the top magnetic core (4) is fixedly connected with the limiting plate (11) or the bottom magnetic core (5).

5. A high power transformer according to claim 4, characterized in that the top core (4) is adhered to the side of the limiting plate (11) away from the winding drum (1), and the top side column (43) and the bottom side column (53) are abutted against each other.

6. A high power transformer according to claim 4, characterized in that the top side pole (43) is plug-fit with the bottom side pole (53).

7. The high power transformer according to claim 4, wherein the end of one of the top side columns (43) is provided with an abutting block (61), the end of the other top plate (41) side column is provided with an abutting groove (62), one side of the abutting block (61) is fixedly connected with an inserting column (611), the axis of the inserting column (611) is arranged in an arc shape, an inserting groove (621) is arranged on the side wall of the abutting groove (62), the axis of the inserting groove (621) is arranged in an arc shape, the bottom magnetic core (5) and the top magnetic core (4) have the same structure and size, the plug-in column (611) of the top side column (43) is in plug-in fit with the plug-in groove (621) of the bottom side column (53), the plug-in column (611) of the bottom side column (53) is in plug-in fit with the plug-in groove (621) of the top side column (43).

8. A high power transformer according to claim 7, wherein the end of the plug post (611) away from the abutment block (61) and the opening of the plug groove (621) are both provided with a chamfered configuration.