TWM446405U - Magnetic coil module - Google Patents

Abstract

A magnetic coil module including an insulating body, a plurality of conductive terminals and a magnetic coil is provided. The conductive terminals are fixed to the insulating body. The magnetic coil is contained in the insulating body with a plurality of soldering segments, and the soldering segments are respectively soldered to the conductive terminals. Therefore, the magnetic coil module can be manufactured beforehand and assembled to the circuit board with other electronic components through the same process instead of soldered to the circuit board by an additional soldering process with an additional soldering equipment in the process of assembling to the circuit board.

Description

Magnetic coil module

The present invention relates to a magnetic coil module, and more particularly to a magnetic coil module that can be assembled to a circuit board.

The production process of the motherboard of the electronic product includes assembling a plurality of electronic components having different functions on a circuit board, and the assembly work is mostly performed by the production line to provide high-efficiency mass production. The assembly method includes applying a solder paste on the circuit board to temporarily position the electronic component on the circuit board, and then performing a reflow process to solder the electronic component to the circuit board. In the case of a magnetic coil, in order to correctly assemble the magnetic coil to the circuit board, the wire of the magnetic coil needs to be accurately soldered to the pad of the circuit board, so an auxiliary fixture having a wire guiding mechanism is used to accurately wire the magnetic coil. Soldering the ground to the pads of the circuit board. Therefore, the magnetic coil must be assembled to the wiring board through another process different from other electronic components, which affects the assembly efficiency of the magnetic coil.

The present invention provides a magnetic coil module that can be assembled to a circuit board without the use of additional soldering processes and auxiliary fixtures during board assembly.

The present invention proposes a magnetic coil module comprising an insulative housing, a plurality of conductive terminals and a magnetic coil. The conductive terminals are fixed to the insulative body. The magnetic coil is housed in the insulating body and has a plurality of welding segments, and the welding The segments are soldered to the conductive terminals, respectively.

Based on the above, according to the magnetic coil module of the present invention, the magnetic coil is placed in the insulating body and soldered to the conductive terminal fixed on the insulating body and having the limiting mechanism, so that the magnetic coil module becomes an electron of the circuit board of the device. The component is electrically connected to the circuit board via the conductive terminal. Accordingly, the magnetic coil module can be pre-manufactured and assembled with other electronic components to the circuit board through the same process without using additional soldering processes and auxiliary fixtures in the circuit board assembly process to solder the magnetic coil module to the circuit. On the board.

In order to make the above features and advantages of the present invention more comprehensible, the following embodiments are described in detail with reference to the accompanying drawings.

1 is an exploded view of a magnetic coil module of an embodiment of the present invention. 2 is a perspective view of the magnetic coil module of FIG. 1. Referring to FIG. 1 and FIG. 2 , in the embodiment, the magnetic coil module 100 includes an insulative housing 110 , a plurality of conductive terminals 120 , and a magnetic coil 130 . The conductive terminal 120 is fixed to the insulative housing 110. The magnetic coil 130 is housed in the insulative housing 110 and has a plurality of solder segments 132 that are soldered to the conductive terminals 120, respectively.

In detail, the magnetic coil 130 includes a core 134 and a wire 136 wound around the core 134, and the last portion of the wire 136 constitutes the welded portion 132. Each of the conductive terminals 120 has a fitting portion 122 and a welded portion 124 connected to the fitting portion 122. The insulative housing 110 has a receiving chamber 112 such that the magnetic coil 130 can be placed within the receiving chamber 112. In addition, the insulative housing 110 also has a plurality of The fitting groove 114 is such that the fitting portions 122 of the conductive terminals 120 are fitted to the fitting grooves 114 of the insulating body 110, respectively.

Specifically, in the embodiment, the insulative housing 110 has a plane P1, and the mating slots 114 are disposed on the plane P1 of the insulative housing 110 and are located on opposite sides of the insulative housing 110, as shown in FIG. As shown in Figure 2. When the fitting portions 122 of the conductive terminals 120 are respectively fitted to the fitting grooves 114, the soldering portions 124 of the conductive terminals 120 are located above the plane P1, that is, the soldering portions 124 of the conductive terminals 120 protrude from the plane of the insulating body 110. P1. Furthermore, in the present embodiment, the soldering portions 124 of the conductive terminals 120 are located on another geometric plane P2 parallel to the plane P1, that is, the soldering portions 124 of the conductive terminals 120 are coplanar.

In addition, since the fitting groove 114 is opposite sides disposed on the plane P1 of the insulative housing 110, when the fitting portion 122 of the conductive terminal 120 is fitted to the fitting groove 114, the conductive terminal 120 is also in insulation. Two opposite sides of the body 110. Therefore, the welded portion 124 of the conductive terminal 120 protruding from the plane P1 of the insulative housing 110 is arranged on opposite sides of the plane P2 along two mutually parallel geometric straight lines L1 and L2.

Next, when the magnetic coil 130 is placed in the accommodating chamber 112, the magnetic coil 130 (the core 134 of FIG. 1 and most of the wires 136) is located below the plane P1, and the welded segments 132 of the magnetic coil 130 can be respectively placed correspondingly The soldering portion 124 of the conductive terminal 120 is inserted and soldered. The soldering portion 124 of the conductive terminal 120 has a limiting function, that is, the magnetic coil module 100 can be designed in advance to fix the position of the conductive terminal 120 to the insulating body 110, so that the soldering portion 132 of the magnetic coil 130 is placed in the soldering portion 124. Is located in the expected position.

3 is a perspective view of the magnetic coil module of FIG. 1 not assembled to a welding carrier. 4 is a perspective view of the magnetic coil module of FIG. 1 assembled to a welding carrier. Referring to FIG. 3 and FIG. 4 , after the conductive terminal 120 is fixed to the insulative housing 110 and the magnetic coil 130 is placed in the insulative housing 110 , the magnetic coil module 100 can be placed into the soldering carrier 200 for soldering.

In detail, before the soldering operation, the conductive terminal 120 is fixed to the insulative housing 110, but the magnetic coil 130 is only received in the receiving chamber 112 of the insulative housing 110, and is not fixed to the insulative housing 110 or the conductive terminal 120. Then, after the respective soldering segments 132 of the magnetic coils 130 are placed in the corresponding soldering portions 124, the unfixed magnetic coil module 100 can be placed into the soldering carrier 200 such that the soldering portions 124 of the conductive terminals 120 and the magnetic coils The welded section 132 of 130 is welded via a welding apparatus.

After the welding operation is completed, the respective soldering segments 132 of the magnetic coil 130 are fixed to the soldering portions 124 of the corresponding conductive terminals 120. At this time, the magnetic coils 130 are fixed to the conductive terminals 120 to completely fix the magnetic coil module 100. Next, the magnetic coil module 100 is taken out from the welding carrier 200, and the welding section 132 protruding from the welding portion 124 is cut to form the magnetic coil module 100 as shown in FIG.

5 is a schematic view of the magnetic coil module of FIG. 1 at a conductive terminal. Referring to FIG. 5, in the embodiment, the welded portion 124 is U-shaped to accommodate the corresponding welded portion 132. Furthermore, the depth H of the U-shaped space is greater than the outer diameter D of the welded section 132. After the soldering section 132 is soldered to the corresponding soldering portion 124, the solder 124a fills the U-shaped space of the soldering portion 124 and is covered by soldering. Segment 132 is such that weld segment 132 is fully secured to weld 124. Therefore, the welded portion 124 of the conductive terminal 120 is located on the plane P2, which can be regarded as the top end of the U-shape of the welded portion 124 being located on the plane P2.

6 is a schematic view of a magnetic coil module of another embodiment of the present invention at a conductive terminal. Referring to Figure 6, in the present embodiment, the welded portion 124' is J-shaped to accommodate the corresponding welded portion 132. In other words, one side of the welded portion 124' is higher than the other side (e.g., the right side is higher than the left side), and the welded portion 132 is accommodated in the J-shaped groove. Further, the depth H' of the J-shaped groove space is larger than the outer diameter D of the welded portion 132. After the weld segment 132 is welded to the weld portion 124', the solder 124a may fill the J-shaped groove space of the weld portion 124' and cover the weld portion 132 to completely secure the weld portion 132 to the weld portion 124'. Therefore, the welded portion 124' of the conductive terminal 120 is located on the plane P2, which can be regarded as the upper end of the J-shaped upper side of the welded portion 124' (e.g., the top end of the right side) is located on the plane P2.

Referring to FIG. 2, after the soldering portion 132 of the magnetic coil 130 is fixed to the soldering portion 124 of the conductive terminal 120 via soldering, the magnetic coil module 100 forms an electronic component that can be assembled on the wiring board. Accordingly, the magnetic coil module 100 can be manufactured in advance, and assembled to the circuit board through the same process as other electronic components during assembly of the circuit board and the electronic component. Therefore, the magnetic coil module 100 does not require additional equipment and processes to be assembled to the wiring board alone, which increases manufacturing convenience.

In addition, as described above, in the present embodiment, the soldering portion 124 of the conductive terminal 120 may be located on the plane P2 and arranged on opposite sides of the plane P2 along two mutually parallel geometric straight lines L1 and L2. In other words, these welds The portion 124 protrudes from the plane P1 of the insulative housing 110 to form another plane P2. Therefore, when the magnetic coil module 100 is assembled to the circuit board, the magnetic coil module 100 assembles one side of the conductive terminal 120 to the circuit board, so that the magnetic coil module 100 can be electrically connected to the circuit board through the conductive terminal 120. Further, since the soldering portions 124 of the conductive terminals 120 are located on the plane P2, the magnetic coil module 100 can be smoothly assembled to the wiring board and fixed to the wiring board.

In summary, according to the magnetic coil module of the present invention, the magnetic coil is housed in the insulating body, wherein the end of the wire on the magnetic coil forms a welded section, and a conductive terminal fixed to the insulating body and having a limiting mechanism is disposed. on. After the soldering portion of the magnetic coil and the soldering portion of the conductive terminal are soldered by the soldering carrier and the soldering device, the magnetic coil is fixed to the conductive terminal, so that the magnetic coil module becomes an electronic component that can be assembled to the circuit board, and The conductive terminal is electrically connected to the circuit board. Accordingly, the magnetic coil module can be pre-manufactured and assembled with other electronic components to the circuit board through the same process without using additional soldering processes and auxiliary fixtures in the circuit board assembly process to solder the magnetic coil module to the circuit. On the board.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any person having ordinary knowledge in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of protection of this creation is subject to the definition of the scope of the patent application attached.

100‧‧‧Magnetic coil module

110‧‧‧Insulated body

112‧‧‧Accommodation chamber

114‧‧‧ fitting slot

120‧‧‧Electrical terminals

122‧‧‧Mate

124, 124'‧‧‧ Weld Department

124a‧‧‧ solder

130‧‧‧ Magnetic coil

132‧‧‧welding section

134‧‧‧ iron core

136‧‧‧ wire

200‧‧‧ welding vehicle

D‧‧‧OD

H, H’‧‧‧ Depth

L1, L2‧‧‧ straight line

P1, P2‧‧‧ plane

1 is an exploded view of a magnetic coil module of an embodiment of the present invention.

2 is a perspective view of the magnetic coil module of FIG. 1.

3 is a perspective view of the magnetic coil module of FIG. 1 not assembled to a welding carrier.

4 is a perspective view of the magnetic coil module of FIG. 1 assembled to a welding carrier.

5 is a schematic view of the magnetic coil module of FIG. 1 at a conductive terminal.

6 is a schematic view of a magnetic coil module of another embodiment of the present invention at a conductive terminal.

100‧‧‧Magnetic coil module

110‧‧‧Insulated body

112‧‧‧Accommodation chamber

114‧‧‧ fitting slot

120‧‧‧Electrical terminals

122‧‧‧Mate

124‧‧‧Weld Department

130‧‧‧ Magnetic coil

132‧‧‧welding section

134‧‧‧ iron core

136‧‧‧ wire

P1‧‧ plane

Claims (10)

A magnetic coil module includes: an insulative housing; a plurality of conductive terminals fixed to the insulative housing; and a magnetic coil housed in the insulative housing and having a plurality of soldering segments respectively soldered to the Conductive terminal. The magnetic coil module of claim 1, wherein the insulative housing has a receiving chamber, and the magnetic coil is located in the receiving chamber. The magnetic coil module of claim 1, wherein the insulative housing has a plurality of engaging slots, each of the conductive terminals having a fitting portion and a soldering portion connected to the mating portion, the embedding The joints are respectively fitted to the fitting grooves, and the welded segments are respectively welded to the welded portions. The magnetic coil module of claim 3, wherein each of the welded portions has a U shape to accommodate the corresponding welded portion. The magnetic coil module of claim 4, wherein the U-shaped depth is greater than an outer diameter of the welded portion. The magnetic coil module of claim 3, wherein each of the welded portions has a J-shape to accommodate the corresponding welded portion. The magnetic coil module of claim 3, wherein the insulative housing has a plane, the magnetic coil is located below the plane, and the soldering portions are located above the plane. The magnetic coil module of claim 7, wherein the welded portions are located on a geometric plane parallel to the plane. The magnetic coil module of claim 7, wherein the welded portions are arranged on two opposite sides of the plane along two mutually parallel geometric lines. The magnetic coil module of claim 1, wherein the magnetic coil comprises an iron core and a wire wound around the iron core, and a last portion of the wire constitutes the welded portion.