TWM628834U - transformer - Google Patents

Abstract

The utility model discloses a transformer, which solves the problem of long electroplating period on the surface of the magnetic core electrode position and incapability of side electroplating, reduces the overall structure size, and widens the application scene of the product. The utility model comprises a magnetic core and a coil winding arranged on the magnetic core; the magnetic core comprises a winding column and two side plates on both sides, the winding column is arranged between the two side plates on both sides, and the winding column is wound with a Coil winding, the tops of the two side plates are respectively provided with a number of mutually spaced positioning seats; the magnetic core includes a magnetically conductive main body; a spacer is arranged on the positioning seat; A plurality of electrode leads are respectively arranged on the pads of the corresponding spacers. The new type can be applied to transformers, chip transformers, common mode inductors, power transformers, etc., and is applied to the Netcom market, RJ45 connector isolation and communication transmission.

Description

transformer

The utility model belongs to the technical field of transformers, in particular to a transformer which solves the problem of short-circuit prevention of conductive magnetic materials.

The material used in the existing transformer is a non-conductive nickel-zinc material, the inductance value is relatively low, the number of windings is relatively large, and the impedance matching is not easy to adjust, and the conductive manganese-zinc material main structure cannot be used. The main frame is not conductive and cannot be plated with solder pads.

The existing transformer is an integrated structure with a main body, and the pads and the main body are connected by copper sheets; or the electroplating pads are connected to the main body structure through a process.

The purpose of this new model is to overcome the shortcomings of the prior art, to provide a transformer, to solve the problem of long electroplating period on the surface of the magnetic core electrode, and the inability of side electroplating, reduce the overall structure size, and broaden the product application scene.

In order to solve the existing technical problems, the new model adopts the following technical solutions:

A transformer, comprising: a magnetic core (I-shaped) and coil windings arranged on the magnetic core; the magnetic core comprises a winding column and two side plates on both sides, and the winding column is arranged between the two side plates on both sides, A coil winding is wound on the winding column, and the tops of the two side plates are respectively provided with a number of positioning seats (convex) spaced from each other; the magnetic core includes a magnetic conducting body; the positioning seat is provided with a spacer; the spacer is provided with a pad , electrode leads are arranged on the pads; several electrode leads of the coil winding are respectively arranged on the pads of the corresponding spacers.

Further, the magnetic core includes a manganese-zinc body or a nickel-zinc body.

Further, the magnetic core includes a manganese-zinc ferrite body or a nickel-zinc ferrite body.

Further, the transformer further includes a magnetic conductor, the magnetic core is arranged on the magnetic conductor, and the magnetic conductor and the magnetic core are manganese-zinc ferrite main bodies.

Further, the spacer includes a side wall and an upper seat (upper cover), the upper seat is provided with a groove matching with the positioning seat, and the side wall is arranged adjacent to the side edge of the positioning seat and the outside of the side plate; the upper seat is provided with a pad, and the pad and the groove are located at The opposite sides of the upper seat; the spacer is a ceramic piece.

Further, the side wall and the upper seat are arranged in an L-shape, and the upper seat is buckled and arranged on the positioning seat.

Further, the spacer also includes a number of glue points arranged in the groove and on the side of the side wall facing the upper seat, the upper seat is arranged on the top of the positioning seat through the glue points in the groove; the side wall is arranged on the positioning seat through the glue points on the sides of the seat and on the outside of the side panels.

Further, the positioning seat includes a first positioning seat, a second positioning seat, a third positioning seat and a fourth positioning seat, and the top ends of the two side plates are respectively provided with a first positioning seat, a second positioning seat, a third positioning seat and a third positioning seat spaced apart from each other. The positioning seat and the fourth positioning seat, a first isolation groove is arranged between the first positioning seat and the second positioning seat, a middle isolation groove is arranged between the second positioning seat and the third positioning seat, and the third positioning seat and the fourth positioning seat are provided with a middle isolation groove. A second isolation groove is arranged between the positioning seats; a plurality of positioning seats on the two side plates are symmetrically (correspondingly) arranged in the same way.

Further, the spacer includes a first spacer, a second spacer, a third spacer, a fourth spacer, a fifth spacer, a sixth spacer, a seventh spacer, and an eighth spacer. The first spacer The sheet, the second isolation sheet, the third isolation sheet and the fourth isolation sheet are respectively corresponding to the first positioning seat, the second positioning seat, the third positioning seat and the fourth positioning seat of one of the side plates. The sixth spacer, the seventh spacer and the eighth spacer are respectively arranged corresponding to the fourth positioning seat, the third positioning seat, the second positioning seat and the first positioning seat of the other side plate.

Further, the input electrodes on the first separator and the third separator are wound in parallel in the positive direction, and the electrode leads of the input electrodes with the double wires wound in the positive direction are respectively welded and arranged on the welds of the first separator and the third separator. On the disk; the input electrodes on the second separator and the fourth separator are wound in parallel in opposite directions, and the electrode leads of the input electrodes on which the two wires are reversed and wound in parallel are respectively welded and arranged on the pads of the second separator and the fourth separator. On the seventh separator and the fifth separator, the take-up output electrodes on the seventh separator and the fifth separator are wound in parallel in the positive direction, and the electrode leads of the take-up output electrodes on which the double wires are wound in the positive direction are respectively welded and arranged on the seventh separator and the fifth separator. On the pad of the eighth separator and the sixth separator, the take-up output electrodes on the eighth separator and the sixth separator are wound in parallel in opposite directions, and the electrode leads of the take-up output electrodes on the eighth separator and the sixth separator are respectively welded and arranged on the eighth separator and the sixth separator. six spacer pads.

Further, the input electrodes on the first separator and the third separator are wound in parallel in the positive direction, and the electrode leads of the input electrodes with the double wires wound in the positive direction are respectively welded and arranged on the welds of the first separator and the third separator. On the disk; the input electrodes on the second separator and the fourth separator are wound in parallel in opposite directions, and the electrode leads of the input electrodes on which the two wires are reversed and wound in parallel are respectively welded and arranged on the pads of the second separator and the fourth separator. On the seventh separator and the fifth separator, the take-up output electrodes on the seventh separator and the fifth separator are wound in parallel in the positive direction, and the electrode leads of the take-up output electrodes on which the double wires are wound in the positive direction are respectively welded and arranged on the seventh separator and the fifth separator. On the pad of the eighth separator and the sixth separator, the take-up output electrodes on the eighth separator and the sixth separator are wound in parallel in opposite directions, and the electrode leads of the take-up output electrodes on the eighth separator and the sixth separator are respectively welded and arranged on the eighth separator and the sixth separator. six spacer pads.

The new type can be applied to transformers, chip transformers, common mode inductors, power transformers, etc., and is applied to the Netcom market, RJ45 connector isolation and communication transmission.

The main structure of this new type uses manganese-zinc body or other magnetic conductive body (such as manganese-zinc ferrite, or nickel-zinc ferrite, metal conductive disk, etc.); the spacer connected to the main body is a ceramic sheet or other insulating and high temperature resistant materials ; The design pads on the ceramic sheet can be electroplating or conductive materials such as copper sheets; the connection method between the ceramic sheet and the main body is adhesive bonding or snap-fastening; the separate structures of several ceramic sheets are matched with the positioning seat on the main body.

In order to further understand the features, technical means, and specific goals and functions of the present invention, the present invention will be described in further detail below with reference to the drawings and specific embodiments.

As shown in the drawings, an embodiment of the present invention provides a transformer, such as, but not limited to, a network transformer. In some embodiments, the transformer includes a magnetic core 12 on which the coil windings 16 are wound, and the magnetic core 12 includes a magnetically conductive body, for example, the body of the magnetic core 12 or the entirety of the magnetic core 12 is made of a magnetically conductive material. In some embodiments, the magnetic core 12 includes a manganese-zinc body, for example, the body or the entirety of the magnetic core 12 is made of a manganese-zinc material. In some embodiments, the magnetic core 12 includes a manganese-zinc ferrite body, for example, the body or the entirety of the magnetic core 12 is made of manganese-zinc ferrite. In other embodiments, the magnetic core 12 may also include a nickel-zinc body, for example, the body or the whole of the magnetic core 12 is made of a nickel-zinc material, wherein the nickel-zinc material is, for example, a nickel-zinc ferrite. In some embodiments, the transformer includes a magnetic conductor 11 and a magnetic core 12, and the magnetic core 12 is I-shaped; the magnetic core 12 is arranged on the magnetic conductor 11, and the magnetic conductor 11 and the magnetic core 12 are made of magnetically conductive materials. In some embodiments, the magnetic conductor 11 and the magnetic core 12 may be made of manganese-zinc material or nickel-zinc material, or may be made of other magnetically conductive materials. In one embodiment, the main bodies of the magnetic conductor 11 and the magnetic core 12 are manganese-zinc ferrite, which can also be nickel-zinc ferrite or a metal conductive disk.

Further, the magnetic core 12 (I-shaped) includes a winding column 18 and side plates 19 on both sides, the winding column 18 is arranged between the side plates 19 on both sides, and the coil winding 16 is wound on the winding column 18, and the side plates 19 There are several positioning seats 30 spaced from each other at the top of the locating seat 30, and the positioning seats 30 are convex; the positioning seat 30 is provided with a spacer 20, and the spacer 20 can be a ceramic sheet or other insulating and high temperature resistant materials. The spacer 20 includes a side wall 42 and an upper seat 43. The side wall 42 and the upper seat 43 are arranged at an L-shaped right angle. The upper seat 43 (upper cover) is provided with a groove 41 that matches the positioning seat 30. There are several glue spots 44 in the groove 41, and the upper seat 43 is bonded to the top of the positioning seat 30 through the glue spots 44 in the groove 41.

The side wall 42 is disposed adjacent to the side edge of the positioning seat 30 and the outside of the side plate 19 . The side of the side wall 42 facing the upper seat 43 is provided with a number of glue spots 44 .

Further, in one embodiment, the upper seat 43 of the spacer 20 is provided with a pad 14 , and the electrode lead 15 is welded on the pad 14 ; a plurality of electrode leads 15 of the coil winding 16 are respectively welded and arranged on the corresponding plane of the spacer 20 . on the pad 14. The pads 14 and the grooves 41 are located on opposite sides of the upper seat 43 .

Further, in one of the embodiments, the positioning seat 30 includes a first positioning seat 31, a second positioning seat 39, a third positioning seat 33, and a fourth positioning seat 35, and the top ends of the two side plates 19 are respectively provided with mutually spaced first positioning seats A positioning seat 31, a second positioning seat 39, a third positioning seat 33, and a fourth positioning seat 35. A first isolation groove 32 is provided between the first positioning seat 31 and the second positioning seat 39, and the second positioning seat 39 and A middle isolation groove 17 is provided between the third positioning seat 33 , and a second isolation groove 34 is provided between the third positioning seat 33 and the fourth positioning seat 35 ; the positioning seats 30 on the two side plates 19 are symmetrical (correspondingly) identical set up.

Further, in one of the embodiments, the isolation sheet 20 includes a first isolation sheet 21, a second isolation sheet 22, a third isolation sheet 23, a fourth isolation sheet 24, a fifth isolation sheet 25, a sixth isolation sheet 26, a The seventh spacer 27, the eighth spacer 28, the first spacer 21, the second spacer 22, the third spacer 23, and the fourth spacer 24 correspond to the first positioning seat 31, the second positioning seat 39, the third spacer The positioning seat 33 and the fourth positioning seat 35 are buckled and bonded; the top end of the side plate 19 on the other side is sequentially provided with a fifth spacer 25, a sixth spacer 26, and a seventh spacer corresponding to the respective positioning seats 30 (convex). sheet 27 and eighth isolation sheet 28 .

The fifth spacer 25 , the sixth spacer 26 , the seventh spacer 27 and the eighth spacer 28 correspond to the fourth positioning seat 35 , the third positioning seat 33 , the second positioning seat 39 and the first positioning seat 39 of the other side plate 19 respectively. The positioning seat 31 is buckled and arranged.

In one of the embodiments, the input electrodes on the first spacer 21 and the third spacer 23 are wound in parallel in the forward direction, and the electrode leads 15 of the input electrodes with the double lines wound in the forward direction are respectively welded and arranged on the first spacer. 21. On the pad 14 of the third spacer 23; the input electrodes on the second spacer 22 and the fourth spacer 24 are wound in parallel in opposite directions, and the electrode leads 15 of the input electrodes on which the two lines are wound in opposite directions are welded respectively. They are arranged on the pads 14 of the second spacer 22 and the fourth spacer 24 .

In one of the embodiments, the take-up output electrodes on the seventh separator 27 and the fifth separator 25 are wound in parallel in the positive direction, and the electrode leads 15 of the take-up output electrodes with the double wires wound in the positive direction are respectively welded and arranged on the On the pads 14 of the seventh spacer 27 and the fifth spacer 25; the take-up output electrodes on the eighth spacer 28 and the sixth spacer 26 are wound in parallel in opposite directions, and the two lines are wound in parallel in opposite directions. The electrode leads 15 of the output electrodes are respectively welded and arranged on the pads 14 of the eighth separator 28 and the sixth separator 26 . All electrode leads 15 copper wires are spot welded on the ceramic electrode plane (spacer 20).

The magnetic conductor 11 and the magnetic core 12 of the present invention use manganese-zinc bodies as electrical conductors. In the above embodiment, eight pads 14 are provided. If the eight pads 14 are directly connected to the manganese-zinc body, the pads 14 It will be short-circuited in pairs and lose its original function; the spacer 20 (ceramic sheet) is an insulator, and the eight pads 14 are connected to the spacer 20 (ceramic sheet), which is isolated from the manganese-zinc body and plays an insulating role, reaching two. Mutual insulating effect between the two pads 14 .

The new type solves the problem of long electroplating cycle on the surface of the magnetic core electrode and cannot be electroplated on the side, increases the bonding force after the product is patched, and changes the magnetic permeability of the magnetic core.

The new type adopts spacer 20 (ceramic sheet) plus glue point 44, and the spacer 20 is buckled and bonded with the magnetic core 12; the spacer 20 (ceramic sheet) insulator: isolated from the conductor of the pad 14 and the magnetic core made of manganese-zinc material 12, play a role in isolation. The main body (the magnetic conductor 11 and the magnetic core 12 ) can be made of manganese-zinc material or other magnetically conductive materials; the spacer 20 can be a ceramic sheet or other insulating and high temperature resistant materials.

The number of spacers 20 (ceramic sheets) can be 1, 2, 3, 4, 5, 6, 7, 8, etc.; sheet), which can be a solderable conductive structure such as metal sheet, electroplating PAD, etc.

In the description of this specification, the terms "connected", "installed", "fixed", "arranged", "has", "front", "on", etc. are all understood in a broad sense, for example, "connected" may be a fixed connection Or indirectly through intermediate components on the basis of not affecting the relationship between components and technical effects, or it can be connected integrally or partially. The specific meaning in new or new.

The above description of the embodiments is for the convenience of those of ordinary skill in the art to understand and apply the technology of the present invention. It is obvious that those skilled in the art can easily make various modifications to these examples, and apply the general principles described herein to In other embodiments, no creative effort is required. Therefore, the present case is not limited to the above embodiments.

11: Magnet 12: Magnetic core 14: Pad 15: Electrode lead 16: Coil winding 17: Middle isolation tank 18: Winding post 19: Side panels 20: Spacer 21: The first spacer 22: The second spacer 23: The third spacer 24: Fourth spacer 25: Fifth spacer 26: Sixth spacer 27: Seventh spacer 28: Eighth separator 30: Positioning seat 31: The first positioning seat 32: The first isolation groove 33: The third positioning seat 34: Second isolation slot 35: Fourth positioning seat 39: Second positioning seat 41: Groove 42: Sidewall 43: Take the seat 44: Glue point

Fig. 1 is the schematic diagram of the novel embodiment; Figure 2 is a schematic cross-sectional view of the novel embodiment; Fig. 3 is the exploded schematic diagram of the embodiment of the novel; Fig. 4 is the schematic diagram of the separator part of the novel embodiment; and FIG. 5 is a schematic structural diagram of the novel embodiment.

11: Magnet

12: Magnetic core

14: Pad

15: Electrode lead

16: Coil winding

17: Middle isolation tank

21: The first spacer

22: The second spacer

23: The third spacer

24: Fourth spacer

25: Fifth spacer

26: Sixth spacer

27: Seventh spacer

28: Eighth separator

Claims (10)

A transformer comprising: A magnetic core (12) and a coil winding (16) arranged on the magnetic core (12); the magnetic core (12) includes a winding column (18) and two side plates (19) on both sides, the The winding column (18) is arranged between the two side plates (19) on both sides, the coil winding (16) is wound on the winding column (18), and the top ends of the two side plates (19) are respectively provided with There are several positioning seats (30) spaced apart from each other; the magnetic core (12) includes a magnetic conductive body; a spacer (20) arranged on the positioning seat (30); and A pad (14) is arranged on the spacer (20), and an electrode lead (15) is arranged on the pad (14); a plurality of the electrode leads (15) of the coil winding (16) are respectively arranged in the corresponding on the pad (14) of the spacer (20). A transformer as claimed in claim 1, wherein the magnetic core (12) comprises a manganese zinc body or a nickel zinc body. A transformer as claimed in claim 1, wherein the magnetic core (12) comprises a manganese-zinc ferrite body or a nickel-zinc ferrite body. A transformer according to claim 3, further comprising a magnetic conductor (11), the magnetic core (12) is arranged on the magnetic conductor (11), the magnetic conductor (11) and the magnetic core (12) are manganese Zinc ferrite body. A transformer according to claim 1, wherein the spacer (20) comprises a side wall (42) and an upper seat (43), and a groove matching the positioning seat (30) is opened on the upper seat (43) (41), the side wall (42) is adjacent to the side of the positioning seat (30) and the outer side of the side plate (19); the upper seat (43) is provided with a pad (14), the pad (14) and the concave The grooves (41) are located on opposite sides of the upper seat (43); The separator (20) is a ceramic sheet. A transformer according to claim 5, wherein the side wall (42) and the upper seat (43) are arranged in an L-shape, and the upper seat (43) is snap-fitted and arranged on the positioning seat (30). A transformer according to claim 6, wherein the spacer (20) further comprises a plurality of glue dots (44) disposed in the groove (41) and on the side of the side wall (42) facing the upper seat (43) , the upper seat (43) is adhered and arranged on the top of the positioning seat (30) through the glue point (44) in the groove (41); the side wall (42) is glued and arranged on the on the side edge of the positioning seat (30) and the outer side of the side plate (19). A transformer according to claim 1, wherein the positioning seat (30) comprises a first positioning seat (31), a second positioning seat (39), a third positioning seat (33) and a fourth positioning seat (35), the top ends of the two side plates (19) are respectively provided with the first positioning seat (31), the second positioning seat (39), the third positioning seat (33) and the fourth positioning seat (31) spaced apart from each other seat (35), a first isolation groove (32) is arranged between the first positioning seat (31) and the second positioning seat (39), the second positioning seat (39) and the third positioning seat (33) ) is provided with a middle isolation groove (17), and a second isolation groove (34) is provided between the third positioning seat (33) and the fourth positioning seat (35). A transformer according to claim 8, wherein the isolation sheet (20) comprises a first isolation sheet (21), a second isolation sheet (22), a third isolation sheet (23), and a fourth isolation sheet (24), a fifth spacer (25), a sixth spacer (26), a seventh spacer (27) and an eighth spacer (28), the first spacer (21), the The second spacer (22), the third spacer (23) and the fourth spacer (24) respectively correspond to the first positioning seat (31) and the second positioning seat (31) of one of the side plates (19). 39), the third positioning seat (33) and the fourth positioning seat (35) are buckled and arranged; the fifth spacer (25), the sixth spacer (26), and the seventh spacer (27) The fourth positioning seat (35), the third positioning seat (33), the second positioning seat (39) and the first positioning seat (39) of the other side plate (19) are respectively corresponding to the eighth isolation sheet (28). The seat (31) is snap-fitted. A transformer according to claim 9, wherein the input electrodes on the first isolation sheet (21) and the third isolation sheet (23) are wound in parallel in a positive direction, and the input electrodes on which the dual wires are wound in a positive direction are parallel. The electrode leads (15) are respectively welded and arranged on the pads (14) of the first separator (21) and the third separator (23); The input electrodes on the second separator (22) and the fourth separator (24) are wound in parallel in opposite directions, and the electrode leads (15) of the input electrodes on which the two wires are wound in opposite directions are respectively welded and arranged on the second separator (22) and the fourth separator (24). two spacers (22), on the pads (14) of the fourth spacer (24); The take-up output electrodes on the seventh separator (27) and the fifth separator (25) are wound in parallel in the positive direction, and the electrode leads (15) of the take-up output electrodes with the double wires wound in the positive direction are welded respectively. are arranged on the pads (14) of the seventh spacer (27) and the fifth spacer (25); The wire take-up output electrodes on the eighth separator (28) and the sixth separator (26) are wound in parallel in opposite directions, and the electrode leads (15) of the wire take-up output electrodes on which the wires are wound in opposite directions are welded respectively. are arranged on the pads (14) of the eighth isolation sheet (28) and the sixth isolation sheet (26).

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