TW202040609A - Transformer structure - Google Patents

Abstract

A transformer structure includes a bobbin, a pair of mounting seats, a plurality of first lead pins, a plurality of second lead pins and a coil set. The bobbin includes a winding body and a pair of baffles. The pair of mounting seats are disposed on two sides of a bottom surface of the winding body, and each mounting seat has a bottom face away from the bobbin and a side face perpendicular to the bottom face. The first lead pins are disposed at intervals on a bottom surface of one of the pair of mounting seats. The second lead pins are disposed at a side of one of the pair of mounting seats, and ends of the second lead pins are extended away from the bobbin separately. The coil set is wound around the winding body and located between the pair of baffles.

Description

Transformer structure

The present invention relates to a transformer, especially a pin structure of a transformer.

The traditional transformer is to weld the transformer on the circuit board, and use the transformer to convert the external input power into the working voltage required for the circuit board to work, so that the electronic device can operate normally.

The basic structure of the existing transformer structure is to arrange the pins on the lower side of the transformer, and then combine the transformer on the circuit board. However, due to the diversity of electronic products, the transformer needs to be electrically connected to multiple electronic components, so it is necessary to wire the transformer pins to electrically connect with other electronic components. Furthermore, the miniaturization of current electronic products has resulted in limited space for the circuit board; in addition, pin-wiring will increase the cost and easily cause a decrease in yield, and there are problems such as increased volume.

In view of this, the inventor of the present invention focused on the above-mentioned prior art, especially concentrated research and the application of scientific theory, and tried to solve the above-mentioned problems, which became the goal of the present inventor's improvement.

One of the objectives of the present invention is to provide a transformer structure, so as to save extra tedious welding procedures and effectively reduce the cost.

Another object of the present invention is to provide a transformer structure that reduces the combined size of the transformer and the circuit board, thereby reducing the size of the electronic device.

In order to achieve the above-mentioned object, the present invention is a transformer structure, which includes a winding frame, a pair of mounting seats, a plurality of first conductive pins, a plurality of second conductive pins, and a coil assembly. The winding frame includes a winding body and a pair of baffles located on opposite sides of the winding body; a pair of mounting seats are correspondingly arranged on the two sides of the bottom surface of the winding body, and each mounting seat has a bottom surface away from the winding frame and vertical The side surface of the bottom surface; a plurality of first lead pins are arranged at intervals on the bottom surface of one of the pair of mounting bases; a plurality of second lead pins are arranged at intervals on the side surface of one of the pair of mounting bases, and the ends of the second lead pins They respectively extend in the direction away from the bobbin; the coil group is wound on the winding body and located between the pair of baffles.

Compared with the prior art, the transformer structure of the present invention includes a plurality of first lead pins and a plurality of second lead pins, and the first lead pins and the second lead pins are separated from the pair of mounting bases. The two sides protrude and extend; accordingly, the transformer structure can be soldered to the circuit board through the first lead pins, and other electronic devices can be connected through the second lead pins, thereby eliminating the need for additional soldering The cumbersome process and effective cost reduction can reduce the combined size of the transformer and the circuit board, thereby reducing the volume of the electronic device and increasing the practicability of the present invention.

The detailed description and technical content of the present invention are described as follows in conjunction with the drawings. However, the drawings are only provided for reference and description, and are not intended to limit the present invention.

Please refer to FIGS. 1 to 3, which are respectively a two-dimensional schematic diagram of a part of the transformer structure of the present invention and a combined schematic diagram of the iron core group. The transformer structure 1 of the present invention includes a winding frame 10, a pair of mounting bases 20, a plurality of first conductive pins 30, a plurality of second conductive pins 40 and a coil assembly 50. The pair of mounting seats 20 are connected to the bottom of the bobbin 10, the first guide pins 30 and the plurality of second guide pins 40 respectively protrude and extend from the two sides of the pair of mounting seats 20, and connect the The coil assembly 50 is wound on the bobbin 10 to form the transformer structure 1 accordingly. The transformer structure 1 is described in more detail below.

Please refer to FIGS. 1 and 2, the winding frame 10 includes a winding body 11 and a pair of baffles 12 located on opposite sides of the winding body 11. In this embodiment, the winding body 11 is a U-shaped body, and each of the baffles 12 is a U-shaped plate; in addition, the winding body 11 and the baffle 12 are jointly formed with a through hole 100. Preferably, the winding body 11 and the pair of baffles 12 are integrally formed.

The pair of mounting seats 20 are correspondingly disposed on two sides of the bottom surface of the winding body 11, and each of the mounting seats 20 has a bottom surface 201 away from the winding frame 10 and a side surface 202 perpendicular to the bottom surface 201. In an embodiment of the present invention, each of the mounting seats 20 includes a platform 21 connected to the baffle 12 and a base 22 connected to the platform 21, and the base 22 forms a gap 200 on one side of the platform 21 . Preferably, the winding frame 10 and the pair of mounting seats 20 are integrally formed.

The first guide pins 30 are arranged at intervals on the bottom surface 201 of one of the pair of mounting seats 20; in addition, the second guide pins 40 are arranged at intervals on the side surface 202 of one of the pair of mounting seats 20, and the The ends of the second guiding pins 40 respectively extend away from the bobbin 10.

In this embodiment, the first guide pins 30 and the second guide pins 40 are located on the mounting base 20 on the same side. The first guide pins 30 extend from the bottom surface of the base 22 of the mounting seat 20, and the cross section of each first guide pin is L-shaped. In addition, the second guide pins 40 extend from the side surface of the platform 21 of the mounting base 20, and the cross section of each second guide pin 40 is I-shaped.

Furthermore, referring to FIG. 3, the coil assembly 50 is wound on the winding body 11 and located between the pair of baffles 12. In addition, the transformer structure 1 further includes an iron core assembly 60, the iron core assembly 60 is framed around the winding frame 10, and the middle iron core 61 of the iron core assembly 60 is inserted through the through hole 110 of the winding body 11.

Please continue to refer to FIGS. 4 and 5, which are respectively a schematic diagram and a side view of the combination of the transformer structure and the circuit board of the present invention. As shown in the figure, the transformer structure 1 of the present invention is used to combine on a circuit board 2. In this embodiment, the circuit board 2 is provided with a plurality of electronic components 3. In actual use, the first lead 30 of the transformer structure 1 is soldered to the circuit board 2 to electrically connect the circuit board 2; and, when the transformer structure 1 needs to be connected to other electronic devices (not shown in the figure) ), the second conductive pins 40 located above the first conductive pins 30 can be used for connection, thereby avoiding additional tedious welding procedures.

It is worth noting that part of the electronic components 3 on the circuit board 2 can be located in the notches 200 on the two sides of the mounting base 20 to reduce the area of the circuit board 2.

Please also refer to FIG. 6, which is another embodiment of the second lead pin of the transformer structure of the present invention. This embodiment is substantially the same as the previous embodiment. The transformer structure includes a winding frame 10a, a pair of mounting seats 20a, a plurality of first lead pins 30a and a plurality of second lead pins 40a. The difference between this embodiment and the previous embodiment lies in the shape of the second lead pins 40a. In this embodiment, each of the second guide pins 40a protrudes from the side surfaces of the pair of mounting seats 20a and bends and extends upward; specifically, the cross section of each of the second guide pins 40a is N-shaped.

The foregoing descriptions are only preferred embodiments of the present invention, and are not intended to determine the patent scope of the present invention. Other equivalent changes using the patent spirit of the present invention should all belong to the patent scope of the present invention.

1: Transformer structure

2: circuit board

3: electronic parts

10, 10a: winding frame

100: Through hole

11: Winding body

12: bezel

20, 20a: Mounting seat

200: gap

201: Bottom

202: side

21: Platform

22: Pedestal

30, 30a: the first lead pin

40, 40a: second lead pin

50: coil group

60: iron core group

61: middle core

Figures 1 and 2 are schematic diagrams of the three-dimensional appearance of a part of the transformer structure of the present invention.

Figure 3 is a schematic diagram of the assembly of the core set of the transformer structure of the present invention.

4 and 5 are schematic diagrams and side views of the combination of the transformer structure and the circuit board of the present invention.

Fig. 6 is another embodiment of the second lead pin of the transformer structure of the present invention.

1: Transformer structure

2: circuit board

3: electronic parts

10: Winding frame

20: Mounting seat

30: The first lead pin

40: second lead pin

50: coil group

60: iron core group

Claims (10)

A transformer structure including: A winding frame, including a winding body and a pair of baffles located on opposite sides of the winding body; A pair of mounting seats are correspondingly arranged on two sides of the bottom surface of the winding body, each of the mounting seats has a bottom surface away from the winding frame and a side surface perpendicular to the bottom surface; A plurality of first lead pins are arranged at intervals on the bottom surface of one of the pair of mounting seats; A plurality of second guide pins are arranged at intervals on the side surface of one of the pair of mounting seats, and the ends of the second guide pins respectively extend in a direction away from the bobbin; and A coil set is wound on the winding body and located between the pair of baffles. The transformer structure according to claim 1, wherein the winding body is a U-shaped body, each of the baffles is a U-shaped plate, and the winding body and the baffle are jointly formed with a through hole. The transformer structure according to claim 1, wherein the winding body and the pair of baffles are integrally formed. The transformer structure according to claim 3, wherein the winding frame and the pair of mounting seats are integrally formed. The transformer structure according to claim 1, wherein each of the mounting bases includes a platform connected to the baffle and a base connected to the platform, and the base forms a gap on one side of the platform. The transformer structure of claim 5, wherein the first lead pins protrude from the bottom surface of the base, and the second lead pins protrude from the side surface of the platform. The transformer structure according to claim 1, wherein the first lead pins and the second lead pins are located on the mounting base on the same side. The transformer structure according to claim 1, wherein the cross-section of each of the first lead pins is L-shaped, and the cross-section of each of the second lead pins is I-shaped. The transformer structure according to claim 1, wherein each of the second guide pins protrudes from the side surfaces of the pair of mounting bases and is bent and extends upward, and the cross section of each of the second guide pins is N-shaped. The transformer structure according to claim 1, further comprising an iron core group, and the iron core group is framed around the winding frame and partially passing through the winding body.

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