TWM508107U - Coil device - Google Patents

Description

Coil device

The present invention relates to a coil device, and more particularly to a coil device having a function of transformer and common mode inductance.

In general, the coil device is designed to have the functions of voltage transformation and filtering. Usually, several coil modules are installed in one terminal block, and each coil module includes two winding frames and four wires. The wires are simultaneously and correspondingly wound on one of the winding frames to generate a function of voltage transformation, and two of the wires are further wound around the other of the winding frames to generate The function of the common mode inductor.

However, two of the wires are simultaneously wound around the respective bobbins, and although the dual functions of the transformer and the common mode inductance can be generated, in the production, the worker needs to wind the aforementioned wires first. On the bobbin, the wire is wound around another bobbin, and the above-mentioned processing operations cannot be separately reassembled, so the speed is slow when assembling the winding, which also affects the convenience of the operation.

The object of the present invention is to provide a coil device which can improve the winding speed and workability.

The coil device of the present invention comprises a terminal block and at least one coil module mounted in the terminal block, the terminal block includes a housing, and two first terminals and two line segments connected to the housing a terminal, a first ground terminal, two second terminals, and a second ground terminal, and the coil module includes a first bobbin, a second bobbin, two first wires, and two a second wire electrically connected between the second terminal and the second ground terminal, each of the first wires has a transformer line segment wound around the first wire frame, and a winding portion An inductor segment on the second bobbin, the transformer line segment of each of the first wires and the inductor segment are respectively electrically connected to one of the connection terminals of the segment, and the voltage transformation segment of the first wire is The first grounding terminal is electrically connected to the first grounding terminal, and the inductor segment of the first wire is electrically connected to one of the first terminals.

The beneficial effect of the present invention is that the change of the foregoing structure allows different workers to separately assemble the windings of different line segments and then assemble them, thereby improving the winding speed and work convenience of the coil device.

1‧‧‧ terminal block

10‧‧‧shell

101‧‧‧ bottom wall

102‧‧ ‧ room

103‧‧‧ Around the wall

11‧‧‧First terminal

12‧‧‧Line segment connection terminal

13‧‧‧First grounding terminal

14‧‧‧second terminal

15‧‧‧Second ground terminal

16‧‧‧Ground connection terminal

2‧‧‧ coil module

21‧‧‧First Winding Rack

22‧‧‧Second reel

23‧‧‧First wire

231‧‧‧Transformation line segment

232‧‧‧Inductive line segment

24‧‧‧second wire

25‧‧‧Ground extension line

251‧‧‧ line end

252‧‧‧ line end

Other features and effects of the present invention will be apparent from the following description of the drawings. FIG. 1 is a front view of a first embodiment of the present coil device; FIG. 2 is a first embodiment of the present invention. Figure 3 is a front view of a second embodiment of the coil device of the present invention; Figure 4 is a wiring diagram similar to Figure 2, illustrating a third embodiment of the novel coil device; Fig. 5 is a front view of the third embodiment.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to Figures 1 and 2, a first embodiment of the novel coil assembly includes a terminal block 1 and a coil module 2 mounted in the terminal block 1, the terminal block 1 including a housing 10, the housing 10 has a bottom wall 101 and a surrounding wall 103 that projects from the bottom wall 101 and collectively defines a chamber 102. The terminal block 1 further includes two first terminals 11 , two line segment connection terminals 12 , one first ground terminal 13 and two second terminals 14 mounted on the housing 10 and protruding from the surrounding wall 103 . And a second ground terminal 15.

The coil module 2 of the embodiment includes a first bobbin 21, a second bobbin 22, and two first windings on the first bobbin 21 and the second bobbin 22 simultaneously. The wire 23 and the two second wires 24 are wound around the first bobbin 21, and the first bobbin 21 and the second bobbin 22 are both hollow annular structures. The first wires 23 each have a transformer line segment 231 wound around the first bobbin 21 and an inductor segment 232 wound around the second bobbin 22.

The voltage-changing line segment 231 of each of the first wires 23 and one end of the inductor wire segment 232 are spliced together and electrically connected to one of the wire segment connection terminals 12, and the first wires 23 are changed. The other end of the crimping section 231 is also spliced together and electrically connected to the first grounding terminal 13, and the other end of the inductor segment 232 of the first wire 23 is respectively One of the first terminals 11 is electrically connected.

That is, one end of the voltage-changing line segments 231 of the first wires 23 is spliced and wound together on the first ground terminal 13, and the voltage-changing line segment 231 of each of the first wires 21 and the inductance The line segments 232 are also spliced and joined to one of the line segment connection terminals 12, respectively. As one end of the second wires 24 are spliced together and electrically connected to the second ground terminal 15, the other ends of the second wires 24 are electrically connected to the second terminals 14, respectively.

In the embodiment, the worker can simultaneously wrap the pressure-changing line segment 231 of the first wire 23 on the first bobbin 21, and another worker can simultaneously use the first wire 23 The inductor wire segment 232 is wound around the second bobbin 22, and the second wire 24 is also wound around the first bobbin 21, and then one end of the transformer wire segment 231 of the first wire 23 is followed. They are spliced together, and one ends of the second wires 24 are also spliced together. After being wound, the coil module 2 is placed in the chamber 102 of the casing 10, and then the processing of the group line is performed. When the line is assembled, the transformer line segment 231 of each of the first wires 23 and the One end of the inductor segment 232 is connected to the segment connection terminal 12, and the other end of the inductor segment 232 of each of the first wires 23 is electrically connected to the first terminals 11, respectively, and is originally spliced. The spliced portions of the transformer line segments 231 of the first wires 23 are electrically connected to the first ground terminals 13. By the same token, one ends of the second wires 24 are electrically connected to the second terminals 14, respectively, and the other ends of the second wires 24 that are spliced together are electrically connected to the second ground terminals 15. Finally, tin plating is performed on the assembly. The assembly action of this embodiment can be completed.

It should be noted that the surface of the wire used in the general coil device is provided with a plastic insulating sheath. In order to distinguish different wires, the insulating sheath also uses different colors. For example, the first of the embodiment The wire 23 can be a red outer skin and a blue outer skin, and the second wire 24 can be a green outer skin and a gold outer skin. Therefore, in the embodiment, the first and second wires 23 and 24 can be easily discriminated during installation. The staff is not easily confused during actual assembly.

Referring to FIG. 3, the structure of a second embodiment of the coil device of the present invention is similar to that of the first embodiment, except that the coil device includes two coil modules 2, and the structure of the coil modules 2 The first embodiment is the same and will not be described. The terminal block 1 of the coil device also includes a housing 10, but the number of all the terminals is twice that of the first embodiment, that is, the terminal block 1 includes four first terminals 11 and four line segments. The terminal 12, the two first ground terminals 13, the four second terminals 14, and the two second ground terminals 15.

Referring to Figures 4 and 5, the structure of a third embodiment of the coil device of the present invention is similar to that of the first embodiment, but the first wires 23 of the first embodiment are directly connected to the first ground terminal 12, and the The first wire 23 of the third embodiment is indirectly connected to the first ground terminal 12, so the third embodiment differs from the first embodiment in that the coil module 2 further includes at least one ground extension line 25 And the terminal block 1 further includes a ground connection terminal 16 for the purpose of improving the grounding effect. In this embodiment, the ground extension line 25 is wound on the second bobbin 22 and has two line ends 251, 252, the wire end 251 is electrically connected to the ground connection terminal 16, and the wire end 252 is electrically connected to the first ground terminal 13. The inductive line segment 232 of the first wire 23 and the ground extension wire 25 are simultaneously wound on the second lead frame 22, and the transformer line segment 231 of the first wire 23 and the second wire are assembled. 24 is wound around the first lead frame 21, and then the terminal block 1 is electrically connected by using the terminal block 1, thereby achieving the functions of both voltage transformation and inductance.

It can be seen from the above description that the coil device of the present invention has a structure in which the first wires 23 which are originally required to bypass the first bobbin 21 and the second bobbin 22 at the same time are not only novel, but also during installation. The different staff members can be assembled after the winding work of the continuous line segment, and the change of the foregoing structure can indeed improve the winding speed and work convenience of the coil device.

However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.

11‧‧‧First terminal

12‧‧‧Line segment connection terminal

13‧‧‧First grounding terminal

14‧‧‧second terminal

15‧‧‧Second ground terminal

2‧‧‧ coil module

21‧‧‧First Winding Rack

22‧‧‧Second reel

23‧‧‧First wire

231‧‧‧Transformation line segment

232‧‧‧Inductive line segment

24‧‧‧second wire

Claims (5)

A coil device comprising: a terminal block including a housing; and two first terminals mounted on the housing, two line segment connection terminals, a first ground terminal, two second terminals, and a first a grounding terminal; and at least one coil module mounted in the housing of the terminal block, and including a first bobbin, a second bobbin, two first wires, and two electrical connections a second wire between the second terminal and the second ground terminal, each of the first wires has a transformer line segment wound around the first wire frame, and a second wire frame is wound around the second wire frame The upper inductor segment, the transformer segment of each first wire and the inductor segment are respectively electrically connected to one of the segment connection terminals, and the transformer line segment of the first wire is connected to the first ground The terminals are electrically connected, and the inductor segments of the first wire are electrically connected to one of the first terminals, respectively. The coil device of claim 1, wherein the transformer line segment of the first wire is directly electrically connected to the first ground terminal. The coil device of claim 1, wherein the transformer line segment of the first wire is indirectly electrically connected to the first ground terminal. The coil device of claim 3, wherein the terminal block further comprises a ground connection terminal, and the coil module further comprises at least one ground extension line disposed on the second bobbin, each first The transformer line segment of the wire is electrically connected to the ground connection terminal, and the ground extension line is electrically connected between the ground connection terminal and the first ground terminal. The coil device according to any one of claims 1 to 4, wherein the transformer line segment of each of the first wires and the inductor segment are spliced and respectively coupled to the segment connection terminals.