TWM588346U - High current pin structure of vertical resonant transformer - Google Patents

Abstract

A high-current pin structure of a vertical resonant transformer. The wire frame has a first partition plate, two sides with a second partition plate and a third partition plate, a third partition plate has a wiring portion, and the first partition A first wire slot is formed between the plate and the second partition plate to wind the first coil, and a second wire slot is formed between the first partition plate and the third partition plate to wind the second coil; the insulating layer covers the first coil and The first partition plate is covered to the root of the first partition plate to increase the creepage distance between the first coil and the second coil; the shell cover is sleeved on the second partition plate to cover the first coil and extend to the first A partition board, the first coil is connected to the connection terminal of the housing, the connection terminal is connected to the circuit main board, and the second coil extends to the wiring section, and is connected to the circuit main board through the adapter card to increase the distance between the wiring section and the connection terminal. Distance, the circuit board meets the requirements of safety regulations, and the adapter card can use double panels to greatly reduce the circuit impedance, to achieve the effect of using a double panel with the circuit board, and reduce manufacturing costs.

Description

High current pin structure of vertical resonance transformer

This creation relates to a vertical resonant transformer, especially a high-current pin structure of a vertical resonant transformer that simplifies the layout of the main circuit board circuit, naturally increases the distance between the primary side and the secondary side, and increases the effectiveness of insulation and shielding.

Conventional vertical resonant transformers, such as the Republic of China Patent Gazette Bulletin No. I463508 "Improved Structure of Transformers", are covered with at least a part of a preset iron core group with a wire frame, and the iron core group has a pass The magnetic conductive circuit of the wire frame is provided with a wire groove and at least one connecting portion protruding outward to the outer peripheral side of the wire frame. A plurality of grooves with side openings are provided on the connecting portion, and a coil is wound around the wire. In the wire groove of the frame, the coil has at least a plurality of outlet ends, and each outlet end passes through different grooves respectively, and a plurality of positioning pins are embedded in the positions of the grooves near the side openings so as to face each outlet. The end of the wire is tightly positioned, and a shell is sleeved on the outer peripheral side of the coil so as to form a gap between the coil and the core group. At least one hollow opening is provided on the shell to make the outer periphery of the coil The side-to-side airflow is exposed to the outside to enhance its overall heat dissipation effect.

Moreover, patent cases such as the Republic of China Patent Gazette No. M486127 and M504337 are all aimed at increasing the insulation effect of transformers. However, these transformers, in practical applications, have the following shortcomings to be improved:

1. The structure of the insulating shell such as the shell is too complicated, although it has good insulation Effect, however, in order to meet the requirements of miniaturization and light weight of the transformer, the structure of these insulating shells must conform to the structure of the existing transformer, resulting in a quite complicated structure. Moreover, the fitting of the insulating shell and the wire frame occupies considerable space. Shrink the extremely precious winding area.

2. The demand for miniaturization of transformers is mainly the miniaturization of mapped electronic products. Among them, the area of circuit motherboards is increasingly miniaturized. In the above-mentioned patents, the pins of the transformer are arranged side by side in a two-row manner and installed in the transformer It is obvious that the width of the two rows of pins is larger than the width of the transformer. The reason is that the circuit board is provided with many pin holes, and copper foil is provided around the pin holes. There are corresponding lines. In terms of safety regulations, the distance between each pin hole and copper foil has certain restrictions. As a result, as described in this paragraph, the transformer has a width arrangement on both sides that is larger than the pin setting method of the transformer. Even if the transformer is reduced in size, the safety distance for the circuit board is shortened accordingly, falling into the trap of transformer miniaturization.

In view of the above-mentioned shortcomings in customary usage, the creator researched and improved the aforementioned shortcomings and finally created this creation.

The main purpose of this creation is to provide a high-current pin structure of a vertical resonant transformer that simplifies the circuit layout of the circuit board.

The secondary purpose of this creation is to provide a vertical current transformer high-current pin structure that increases the creepage distance between the coils and simplifies the insulation structure.

Another purpose of this creation is to provide a vertical current transformer high-current pin structure that naturally increases the distance between the primary side and the secondary side and does not cross adjacent coils.

In order to achieve the above-mentioned purposes and effects, the technical means adopted in this creation include: A wire frame, an iron core group, a first coil, a second coil, an insulating layer and a shell, wherein: an iron core group is formed by relatively combining a plurality of iron cores; a wire frame is covered by the aforementioned iron core At least a part of the group, the core group has a magnetically permeable circuit through a wire frame, the wire frame has a first partition plate, a second partition plate and a third partition plate on each side, and the third A partition is provided on one side of the partition plate, a first wire groove is formed between the first partition plate and the second partition plate, and a second wire groove is formed between the first partition plate and the third partition plate. A first coil wound in the first wire slot and extending a first outlet end; a second coil wound in the second wire slot and extending a second outlet end; an insulating layer Covering the first coil and the first partition plate, and extending to the root of the first partition plate; and a shell cover, sleeved on the second partition plate of the wire frame, covering the first coil and extending To the first partition plate, there is an extension part on one side of the cover, and a plurality of connection terminals extend on both sides of the extension part, and the connection terminals and the wire frame are mutually connected. Vertical installation; by this means, the aforementioned first outlet end is connected to the connection terminal, and is connected to the circuit motherboard through the adapter card, and the second outlet end is extended to the connection part, and the connection terminal is directly connected to the circuit motherboard, and the connection part and connection are naturally increased. The distance between the terminals achieves the miniaturization of the transformer but can meet the safety regulations, and the creepage distance between the first coil and the second coil is increased by an insulating layer.

According to the above structure, the other side of the third partition plate has a first fixing portion corresponding to the wiring portion, and a second fixing portion is provided on a side of the second partition plate corresponding to the first fixing portion. The first fixing portion Forming a co-planar surface with the second fixing portion, so that the wire rack can be horizontally disposed on the circuit board.

According to the above structure, wherein the first fixing portion is provided with the connection terminal and Vertical positioning terminal.

According to the above structure, a plurality of first ring portions are provided on the surface of the second partition plate, a plurality of second ring portions are provided on the inner surface of the casing, and the casing is sleeved on the wire frame, so that the first ring portion and the first The two loops mesh with each other staggered to increase the creepage distance.

According to the above structure, a plurality of control pins are provided on one side of the wiring portion.

According to the above structure, the connection part is provided with a plurality of grooves, and a fixing block is separately provided. The fixing block is extended with a plurality of positioning pins. The second outlet ends of the second coil pass through the grooves respectively, and the positioning The second outlet end is forced to form a positioning.

According to the above structure, the grooves have a joint portion near the opening, and the positioning pins are oppositely provided with abutting portions that can be connected to the joint portions, so that the positioning pins can be positioned in the grooves.

According to the above structure, the insulating layer is an insulating tape or an insulating adhesive.

In order to obtain a more specific understanding of the above-mentioned purpose, efficacy and characteristics of this creation, the description of each drawing is as follows:

1‧‧‧ wire rack

10‧‧‧ central hole

11‧‧‧ the first divider

12‧‧‧Second divider

121‧‧‧First Ring

122‧‧‧Second Fixing Section

13‧‧‧ third partition

14‧‧‧Wiring Department

141‧‧‧Control foot position

142‧‧‧Groove

143‧‧‧Combination

15‧‧‧ the first fixed part

151‧‧‧Positioning terminal

16‧‧‧The first trunking

17‧‧‧Second trunking

18‧‧‧ fixed block

181‧‧‧positioning pin

182‧‧‧Docking Department

2‧‧‧ the first coil

21‧‧‧ the first outlet

3‧‧‧second coil

31‧‧‧Second Outlet

4‧‧‧ Insulation

5‧‧‧shell

50‧‧‧perforation

51‧‧‧ extension

52‧‧‧Connecting terminal

53‧‧‧Second Ring

6a‧‧‧core set

6‧‧‧ iron core

61‧‧‧ center pillar

62‧‧‧side pillar

63‧‧‧accommodation space

64‧‧‧ insulating tape

7‧‧‧circuit board

71‧‧‧ Transfer Card

FIG. 1 is a perspective view of a preferred embodiment of the present invention.

Figure 2 is an exploded perspective view of the preferred embodiment of the present invention.

FIG. 3 is a partial component diagram of the preferred embodiment of the present invention.

FIG. 4 is a first combination diagram of the preferred embodiment of the present invention.

FIG. 5 is a second combination diagram of the preferred embodiment of the present invention.

FIG. 6 is a cross-sectional view during use of the preferred embodiment of the present invention.

Please refer to FIG. 1 to FIG. 3, it can be seen that the structure of this creation mainly includes: a wire frame 1, a first coil 2, a second coil 3, an insulation layer 4, a shell 5 and an iron core group 6 Wherein, the wire frame 1 has a central hole 10 therein, the wire frame 11 has a first partition plate 11, and the two ends have a second partition plate 12 and a third partition plate 13 respectively. A plurality of first ring portions 121 are provided on the surface of the partition plate 12; a wiring portion 14 is provided on one side of the third partition plate 13, a plurality of control pins 141 are provided on the wiring portion 14 side, and the wiring portion 14 is provided on the wiring portion 14. A plurality of grooves 142 are provided. The grooves 142 have a joint portion 143 near the opening. The grooves 142 are for a fixed block 18 to be assembled. The fixed block 18 extends with a plurality of positioning pins 181. The positioning pins An abutting portion 182 that can be connected to the joint portion 143 is oppositely provided on the side of 181, so that each positioning pin 181 can be positioned in the groove 142; the other side of the third partition plate 13 is corresponding to the wiring portion 14 The first fixing portion 15 is provided with a positioning terminal 151. The second partition plate 12 is provided with a second fixing portion 122 on a side corresponding to the first fixing portion 15. The first fixing portion 15 and the second fixing portion 122 form a coplanar plane, so that the wire frame 1 can be horizontally disposed on the circuit main board 7; a first line is formed between the first partition plate 11 and the second partition plate 12. A slot 16 is formed between the first partition plate 11 and the third partition plate 13.

The first coil 2 is wound in the first wire slot 16 and extends a first wire-out terminal 21.

The second coil 3 is wound in the second wire groove 17 and extends a second wire-out terminal 31.

The insulating layer 4 is an insulating tape or an insulating glue, and covers the first coil 2 and the first partition plate 11. The insulating layer 4 extends to the root of the first partition plate 11.

The casing 5 is sleeved on the second partition plate 12 of the wire frame 1 and covers the first coil 2. One side of the casing 5 has an extension 51, and the extension 51 has a plurality of connection terminals 52 on both sides. 52 and the wire frame 1 are arranged perpendicular to each other; and,

The iron core group 6a is a combination of two symmetrical iron cores 6. A middle pillar portion 61 is provided at the middle portion of each core core 6, and at least two lateral sides of the middle pillar portion 61 are provided with corresponding one side pillar portions 62. An accommodating space 63 is naturally formed between the middle pillar portion 61 and the side pillar portion 62.

When the above components are combined (refer to Figures 4 and 5 for assistance), the first coil 2 and the second coil 3 are wound in the first and second wire ducts 16 and 17, respectively, by means of insulating tape or insulating glue. , Cover the first coil 2 and the first partition plate 11 at the same time, continue to cover the casing 5 with the second partition plate 12 of the wire rack 1 and cover the first coil 2, and at the same time, the second output of the second coil 3 The wire ends 31 pass through the grooves 142 on the connection part 14, respectively, and the positioning pins 181 of the fixing block 18 are respectively fitted into the grooves 142, and the positioning pins 181 are used to press the second outlet end 31 to form a positioning; the iron core One of the cores 6 of the group 6a passes through the perforation 50 of the housing 5 and the central hole 10 of the wire frame 1 with the central pillar portion 61, and the other core 6 passes directly through the central hole 10 of the frame 1. The accommodating space 63 accommodates the wire frame 1 and the casing 5, so that the two iron cores 6 can use the middle post portion 61 and the side post portion 62 to form a magnetically permeable circuit through the wire frame 2.

The structural feature of increasing the creepage distance in this creation is that the first coil 2 and the first partition plate 11 are covered by the insulating layer 4 at the same time, and the creeping distance of the first coil 2 and the second coil 3 is increased by the insulating layer 4, In addition, after the casing 5 is set on the wire frame 1 to cover the second partition plate 12 in the same frame, the first ring portion 121 of the second partition plate 12 and the second ring portion 53 of the casing 5 are in abutment with each other. The creepage distance between the wire frame 1 and the casing 5 is effectively increased. With the above structure, the overall structure can be effectively simplified, and at the same time meet the requirements of safety regulations.

This creation simplifies the circuit layout of the circuit board 7 and reduces the mutual interference of components. It is characterized in that (refer to FIG. 6 for assistance) the first outlet end 21 of the first coil 2 is connected to the connection terminal 52. At the same time, during the connection process, the second coil 3 is not passed, and the second coil 3 can be prevented. The magnetic field interferes with the first output terminal 21; the second output terminal 31 of the second coil 3 extends to the connection portion 14, and the adapter card 71 is connected to the connection portion 14 so that the second output terminal 31 of the second coil 4 is connected On the riser card 71, together with the original and riser card 71, it is connected to the circuit board 7, and the connection terminal 52 is directly connected to the circuit board 7, because the connection terminals 52 are arranged on both sides (refer to FIGS. 2 and 3 for auxiliary information) ), Is not the traditional way of arranging the transformers on both sides. When the circuit board 7 is laid out, it can avoid that the two sides are arranged too densely, and the circuits on the circuit board 7 are too dense, reducing the mutual interference of the signals. The circuit board 7 meets As required by safety regulations, the double-panel of the adapter card 71 can be used to greatly reduce the circuit impedance, which can achieve the effect of using the double-panel with the circuit motherboard 7 and reduce the manufacturing cost.

To sum up, the high-current pin structure of the vertical resonant transformer of this creation is indeed a novel and progressive creation, and a new patent is filed according to law; however, the above description is only a preferred embodiment of this creation. It is stated that any changes, modifications, alterations or equivalent substitutions extended by the technical means and scope of this creation should also fall within the scope of the patent application for this creation.

Claims (8)

A high-current pin structure of a vertical resonant transformer includes at least: an iron core group composed of a plurality of iron cores; and a wire frame covering at least a part of the foregoing iron core group to allow the iron core group to pass through. The magnetically permeable circuit of the wire frame has a first partition plate on the wire frame, a second partition plate and a third partition plate on each side, and a wiring portion is provided on one side of the third partition plate. A first wire groove is formed between a partition plate and a second divider plate, and a second wire groove is formed between the first and third divider plates; a first coil is wound around the first wire Inside the slot and extending a first outlet end; a second coil wound around the second slot and extending a second outlet end; an insulation layer covering the first coil and the first partition Plate, which extends to the root of the first partition plate; and a shell cover, which is sleeved on the second partition plate of the aforementioned wire frame and covers the first coil, and has one extension portion on one side and two sides of the extension portion. A plurality of connection terminals, the connection terminals and the wire frame are arranged perpendicular to each other; the aforementioned first outlet end is connected to the connection terminal Connect the circuit board through the adapter card, the second outlet end extends to the wiring section, and the connection terminal is directly connected to the circuit board. Naturally, the distance between the wiring section and the connection terminal is increased, and the miniaturization of the transformer can meet the safety regulations. The creepage distance between the first coil and the second coil is increased by an insulating layer. The high-current pin structure of the vertical resonant transformer according to item 1 of the scope of the patent application, wherein the other side of the third partition plate is provided with a first fixing portion corresponding to the wiring portion, and the second partition plate corresponds to A second fixing portion is provided on one side of the first fixing portion, and the first fixing portion and the second fixing portion form a coplanar surface, so that the wire rack can be horizontally disposed on the circuit main board. According to the high-current pin structure of the vertical resonance transformer according to item 1 of the scope of the patent application, the first fixing portion is provided with a positioning terminal that is perpendicular to the connection terminal. According to the high-current pin structure of the vertical resonant transformer according to item 1 of the scope of the patent application, wherein the surface of the second partition plate is provided with a plurality of first ring portions, and the inner surface of the casing is provided with a plurality of second ring portions, The shell cover is sleeved on the wire frame, so that the first ring portion and the second ring portion are docked with each other, and the creepage distance is increased. The high-current pin structure of the vertical resonance transformer according to item 1 of the scope of the patent application, wherein a plurality of control pins are provided on one side of the connection portion. The high-current pin structure of the vertical resonant transformer according to item 1 of the scope of the patent application, wherein the connection part is provided with a plurality of grooves, and a fixing block is separately provided, and the fixing block extends with a plurality of positioning pins. The second outlet ends of the two coils respectively pass through the grooves, and the positioning of the second outlet ends by pressing the positioning pins to form a positioning. The high-current pin structure of the vertical resonant transformer according to item 6 of the scope of the patent application, wherein the grooves have a joint portion near the opening, and the positioning pins are oppositely provided with butt joints that can be connected to the joint portion. Part, so that each positioning pin can be positioned in the groove. The high-current pin structure of the vertical resonant transformer according to item 1 of the scope of the patent application, wherein the insulating layer is an insulating tape or an insulating adhesive.