JP6483895B1 - Passive element structure - Google Patents

Abstract

The present invention provides a passive element structure that reduces manufacturing space, improves an insulation method, has a simple structure, is highly flexible, and can reduce manufacturing costs.
A passive element structure includes an insulating substrate, at least one coil, an insulating covering, and a magnetic unit. The insulating base 11 is provided with a hollow portion 111 at the center and at least one coil installation region 112 on one surface. The coil 12 is provided in the coil installation region 112 of the insulating base material 11 and has a winding part 121. A first terminal 122 and a second terminal 123 are connected to the winding part 121. The insulating cover 13 covers the insulating base material 11 and the winding part 121. The magnetic unit is provided in the hollow portion 111 of the insulating base material 11.
[Selection] Figure 2

Description

  The present invention relates to a passive element structure, and in particular, an inductor formed by one coil can be installed, and a transformer formed by two coils can also be installed, reducing a manufacturing space and an insulation system. The present invention relates to a passive element structure in which the structure is simple, the flexibility is high, and the manufacturing cost can be reduced.

  A conventional passive element such as an inductor includes a magnetic body, a metal coil coupled to the magnetic body, and a magnetic cover that covers an upper end of the magnetic body. The metal coil includes two pins. The plurality of pins are respectively attached to the magnetic body, and each of the plurality of pins is bent inward to form an electrode pin. The plurality of electrode pins are coupled to the bottom surface of the magnetic body and connected to the circuit board. The magnetic cover is coupled to the magnetic body by an adhesive and constitutes an inductor.

  A passive element such as a transformer has a plurality of windings wound around a drum-type magnetic element. A terminal electrode and a plate-like magnetic element are electrically connected to the plurality of windings to form a transformer. Further, the components of the general transformer further include a bobbin, a conducting wire, an insulator, and a magnetic element. In the conventional transformer, in order to satisfy the safety standard, the insulator is manufactured by the following three methods (1) to (3). (1) Insulate using an insulation tape and a Teflon (registered trademark) sleeve (Teflon (registered trademark) tube). (2) Insulate using both groove characteristics of bobbin and cover. (3) Insulate using both groove characteristics of bobbin and filled epoxy resin. However, although the three types of systems described above can satisfy the safety standard of the transformer, the manufacturing method is complicated.

  Also, since the conventional inductors and transformers have different manufacturing methods, it is not possible to manufacture the inductor and the transformer by sharing one base material, and the manufacturing process takes a lot of time, and the structure It was complicated and economical was not favorable.

  Therefore, install an inductor formed by one coil or install a transformer formed by two coils, reduce the manufacturing space, improve the insulation method, simple structure, high flexibility, manufacturing There is a need for a passive element structure that can reduce costs.

  The object of the present invention is to be able to install an inductor formed by one coil and also to install a transformer formed by two coils, reducing the manufacturing space and improving the insulation system. An object of the present invention is to provide a passive element structure that has a simple structure, is highly flexible, and can reduce manufacturing costs.

  In order to solve the above problems, according to a first aspect of the present invention, a passive element structure including an insulating base material, at least one coil, an insulating covering, and a magnetic unit, wherein the insulating base material includes: A hollow portion is provided in the central portion, and at least one coil installation region is provided on one surface, and the coil is provided in the coil installation region of the insulating base and has a winding portion, and the winding A first portion and a second terminal are connected to the wire portion, the insulating covering covers the insulating base and the winding portion, and the magnetic unit is provided in a hollow portion of the insulating base. A passive device structure is provided that is characterized in that:

  The coil is disposed in the coil installation region of the insulating base material, a spiral installation groove is formed in the coil installation region, and a first terminal installation groove is formed at one end of the spiral installation groove. When the winding portion of the coil is disposed in the spiral installation groove and the first terminal is disposed in the first terminal installation groove, the passive element structure is formed in the inductor. It is preferred that

  Two coils are disposed in the coil installation region of the insulating base material, two spiral installation grooves are formed in the coil installation region, and one end of the spiral installation groove is a first one. Terminal installation grooves are respectively formed, and in the winding portion of the coil, the spiral installation grooves are formed, and when the first terminal is disposed in the first terminal installation grooves, the passive The element structure is preferably formed in a transformer.

  The insulating base is a dish-like body, and a second terminal installation groove is formed on the other surface of the insulating base, and the spiral installation groove has a channel portion connected to the insulating base. The winding part has a conductive part installed in the channel part, and the second terminal is installed in the second terminal installation groove and connected to the conductive part, and the insulation The covering has a first notch corresponding to the first terminal and a second notch corresponding to the second terminal, and the insulating covering is formed in the hollow portion. It is preferred to have corresponding perforations.

  The insulating base is a dish-like body, and on the other surface of the insulating base, two second terminal installation grooves are formed, and the spiral installation groove is a channel portion connected to the insulating base. The winding portion has a conductive portion provided in the channel portion, and the second terminal is disposed in the second terminal installation groove and connected to the conductive portion. The insulating cover includes two first cutout portions corresponding to the first terminals and two second cutout portions corresponding to the second terminals, and the hollow portion. It is preferable to have perforations corresponding to.

  The insulating base is cylindrical, and an interlayer insulating layer is formed between the insulating base and the insulating cover to cover the coil installation region and the winding portion. There is a second terminal installation groove, the second terminal installation groove has a channel portion connected to the winding portion, and the second terminal is disposed in the second terminal installation groove. The second terminal preferably includes a conductive portion that is disposed in the channel portion and connected to the winding portion.

  The interlayer insulating layer has a recess corresponding to the first terminal, and a side edge of the insulating covering includes a first notch and a second notch provided adjacent to each other. Preferably, the first notch corresponds to the recess and the first terminal, and the second notch corresponds to one end of the second terminal.

  The insulating base is cylindrical, and an interlayer insulating layer is formed between the insulating base and the insulating cover to cover the coil installation region and the winding portion. Two second terminal installation grooves, the second terminal installation groove has a channel portion connected to the winding portion, and the second terminal is disposed in the second terminal installation groove. The second terminal is preferably disposed in the channel portion and has a conductive portion connected to the winding portion.

  The interlayer insulating layer has a recess corresponding to the first terminal, and a first notch and a second notch adjacent to each other are provided on both side edges of the insulating covering, It is preferable that the first notch corresponds to the recess and the first terminal, and the second notch corresponds to one end of the second terminal.

  The magnetic unit includes a first magnetic element and a second magnetic element, and the first magnetic element includes a first fixed seat, a first magnetic body provided on the first fixed seat, and The first magnetic body is inserted into the hollow portion or the insulating cover, and the second magnetic element is provided on the second fixed seat and the second fixed seat. A second magnetic body, wherein the second magnetic body is inserted into the hollow portion or the insulating covering, and is in contact with the first magnetic body, so that the first fixed seat Is preferably coupled to the second fixed seat.

  The passive element structure of the present invention can install an inductor formed by one coil, and can also install a transformer formed by two coils, reducing the manufacturing space and reducing the insulation method. It is improved, the structure is simple, the flexibility is high, and the manufacturing cost can be reduced.

FIG. 1 is a perspective view showing a passive element structure according to a first embodiment of the present invention. FIG. 2 is an exploded perspective view showing the passive element structure according to the first embodiment of the present invention. FIG. 3 is a perspective view showing a passive element structure according to the second embodiment of the present invention. FIG. 4 is an exploded perspective view showing a passive element structure according to the second embodiment of the present invention. FIG. 5 is a perspective view showing a passive element structure according to the third embodiment of the present invention. FIG. 6 is an exploded perspective view showing a passive element structure according to the third embodiment of the present invention. FIG. 7 is a perspective view showing a passive element structure according to the fourth embodiment of the present invention. FIG. 8 is an exploded perspective view showing a passive element structure according to the fourth embodiment of the present invention.

  Hereinafter, in order to make the objects, features, and effects of the present invention easier to understand, specific embodiments will be described in detail with reference to the drawings.

(First embodiment)
Please refer to FIG. 1 and FIG. As shown in FIGS. 1 and 2, the passive element structure according to the first embodiment of the present invention includes at least an insulating base material 11, a coil 12, an insulating cover 13, and a magnetic unit 14.

  A hollow portion 111 is provided in the central portion of the insulating base material 11. A coil installation region 112 is provided on the surface of the insulating substrate 11. The three-dimensional insulating base material 11 may be made of an epoxy resin.

  The coil 12 is provided in the coil installation region 112 of the insulating base material 11. The coil 12 has a winding part 121. A first terminal 122 and a second terminal 123 are connected to the winding part 121.

  The insulating cover 13 covers the insulating base material 11 and the winding part 121. The insulating cover 13 may be made of plastic, rubber, thermoplastic, or epoxy resin.

  The magnetic unit 14 is provided in the hollow portion 111 of the insulating base material 11.

  When the passive element structure 1 is an inductor, the insulating substrate 11 of the first embodiment is a dish-like body. The coil installation region 112 of the insulating base material 11 has the coil 12. The coil installation region 112 has a spiral installation groove 1121 (or the coil installation region 112 is located on the surface of the insulating base material 11 and the coil 12 is provided on the surface of the insulating base material 11). A first terminal installation groove 1122 is formed at one end of the spiral installation groove 1121. The winding part 121 of the coil 12 is disposed in the spiral installation groove 1121. The first terminal 122 is disposed in the first terminal installation groove 1122. A second terminal installation groove 1123 is formed on the other surface of the insulating substrate 11. The spiral installation groove 1121 has a channel portion 1124 connected to the insulating base material 11. Winding portion 121 has a conductive portion 124 installed in channel portion 1124. The second terminal 123 is installed in the second terminal installation groove 1123 and is connected to the conductive portion 124. The insulating cover 13 has a first notch 131 corresponding to the first terminal 122 and a second notch 132 corresponding to the second terminal 123. The insulating cover 13 has a perforation 133 corresponding to the hollow portion 111. The magnetic unit 14 is provided in the perforation 133. Therefore, an inductor can be constituted by the passive element structure 1 and can be used by being electrically connected to related equipment or electronic components via the first terminal 122 and the second terminal 123 (not shown).

  The magnetic unit 14 according to the first embodiment includes a first magnetic element 141 and a second magnetic element 142. The first magnetic element 141 includes a first fixed seat 1411 and a first magnetic body 1412 provided on the first fixed seat 1411. The first magnetic body 1412 is inserted into the perforation 133 of the insulating cover 13. The second magnetic element 142 includes a second fixed seat 1421 and a second magnetic body 1422 provided on the second fixed seat 1421. The second magnetic body 1422 is inserted into the perforation 133 of the insulating cover 13 and contacts the first magnetic body 1412. The first fixed seat 1411 is coupled to the second fixed seat 1421.

(Second Embodiment)
Please refer to FIG. 3 and FIG. As shown in FIGS. 3 and 4, the passive element structure 1a according to the second embodiment of the present invention is a transformer. The insulating substrate 11a is a dish-like body. The coil installation region 112a of the insulating base 11a has two coils 12 and 12a. The coil installation area 112a has two spiral installation grooves 1121, 1121a (or the coil installation area 112a is located on the surface of the insulating base 11a, and the coils 12, 12a are installed on the surface of the insulating base 11a). . First terminal installation grooves 1122 and 1122a are formed at one ends of the plurality of spiral installation grooves 1121 and 1121a, respectively. The winding portions 121 and 121a of the plurality of coils 12 and 12a have a plurality of spiral installation grooves 1121 and 1121a, respectively. The plurality of first terminals 122 and 122a are provided in the plurality of first terminal installation grooves 1122 and 1122a. Two second terminal installation grooves 1123 and 1123a are formed on the other surface of the insulating base 11a. The plurality of spiral installation grooves 1121, 1121a have channel portions 1124, 1124a connected to the insulating base material 11a. The plurality of winding portions 121 and 121a have conductive portions 124 and 124a provided in the plurality of channel portions 1124 and 1124a. The plurality of second terminals 123 and 123a are provided in the plurality of second terminal installation grooves 1123 and 1123a and are connected to the plurality of conductive portions 124 and 124a. The insulating cover 13a includes two first notches 131 and 131a corresponding to the plurality of first terminals 122 and 122a, and two second notches corresponding to the plurality of second terminals 123 and 123a. Parts 132 and 132a. In the magnetic unit 14, the first magnetic body 1412 of the first magnetic element 141 and the second magnetic body 1422 of the second magnetic element 142 are inserted into the perforations 133 a of the insulating covering body 13 a to be fixed first. The seat 1411 is coupled to the second fixed seat 1421. Therefore, it is possible to configure a transformer with the passive element structure 1a and use it by being electrically connected to related equipment or electronic components via the first terminals 122 and 122a and the plurality of second terminals 123 and 123a. Yes (not shown).

(Third embodiment)
Please refer to FIG. 5 and FIG. As shown in FIG.5 and FIG.6, the passive element structure 1b of 3rd Embodiment of this invention is an inductor of another form. The insulating substrate 11b is cylindrical. The coil installation region 112b of the insulating base material 11b has a coil 12b. The coil installation area 112b has a spiral installation groove 1121b (or the coil installation area 112b is located on the surface of the insulating base 11b and the coil 12b is provided on the surface of the insulating base 11b). A first terminal installation groove 1122b is formed at one end of the spiral installation groove 1121b. The winding part 121b of the coil 12b is disposed in the spiral installation groove 1121b. The first terminal 122b is disposed in the first terminal installation groove 1122b. An interlayer insulating layer 15 that covers the coil installation region 112b and the winding part 121b is formed between the insulating substrate 11b and the insulating cover 13b. The interlayer insulating layer 15 has a second terminal installation groove 151. The second terminal installation groove 151 has a channel part 152 connected to the winding part 121b. The second terminal 123b is disposed in the second terminal installation groove 151. The second terminal 123b has a conductive portion 124b provided in the channel portion 152 and connected to the winding portion 121b. The interlayer insulating layer 15 has a recess 153 corresponding to the first terminal 122b. The side edge of the insulating cover 13b has a first notch 131b and a second notch 132b that are provided adjacent to each other. The first notch 131b corresponds to the recess 153 and the first terminal 122b. The second notch 132b corresponds to one end of the second terminal 123b. In the magnetic unit 14b, the first magnetic body 1412b of the first magnetic element 141b and the second magnetic body 1422b of the second magnetic element 142b are inserted into the hollow portion 111b of the insulating base 11b, and the first fixed The seat 1411b is coupled to the second fixed seat 1421b, constitutes an inductor by the passive element structure 1b, and is electrically connected to related equipment or electronic components via the first terminal 122b and the second terminal 123b. Can be used (not shown).

(Fourth embodiment)
Please refer to FIG. 7 and FIG. As shown in FIG.7 and FIG.8, the passive element structure 1c which concerns on 4th Embodiment of this invention is a transformer of another form. The insulating substrate 11c is cylindrical. The coil installation region 112c of the insulating base material 11c has two coils 12b and 12c. The coil installation region 112c has two spiral installation grooves 1121b and 1121c (or the coil installation region 112c is located on the surface of the insulating base material 11c and the coils 12b and 12c are provided on the surface of the insulating base material 11c). First terminal installation grooves 1122b and 1122c are formed at one end of the plurality of spiral installation grooves 1121b and 1121c. A plurality of spiral installation grooves 1121b and 1121c are formed in the winding portions 121b and 121c of the plurality of coils 12b and 12c. The plurality of first terminals 122b and 122c have a plurality of first terminal installation grooves 1122b and 1122c. An interlayer insulating layer 15c that covers the coil installation region 112c and the winding portions 121b and 121c is formed between the insulating base and the insulating cover. The interlayer insulating layer 15c has two second terminal installation grooves 151 and 151c. The plurality of second terminal installation grooves 151 and 151c include a channel part 152 connected to the winding part 121b and a channel part 152c connected to the winding part 121c. The plurality of second terminals 123b and 123c are disposed in the second terminal installation grooves 151 and 151c, respectively. The plurality of second terminals 123b and 123c are disposed in the plurality of channel portions 152 and 152c, and have conductive portions 124b and 124c connected to the winding portions 121b and 121c, respectively. The interlayer insulating layer 15c has recesses 153 and 153c corresponding to the plurality of first terminals 122b and 122c, respectively. First notch portions 131b and 131c and second notch portions 132b and 132c adjacent to each other are provided on both side edges of the insulating covering 13c. The plurality of first notches 131b and 131c correspond to the plurality of recesses 153 and 153c and the plurality of first terminals 122b and 122c. The plurality of first notches 131b and 131c correspond to one end of the second terminals 123b and 123c. In the magnetic unit 14b, the first magnetic body 1412b of the first magnetic element 141b and the second magnetic body 1422b of the second magnetic element 142b are inserted into the hollow portion 111c of the insulating base material 11c, and the first fixing is performed. The seat 1411b and the second fixed seat 1421b are coupled. Therefore, a transformer can be comprised by the passive element structure 1c, and it can electrically connect with a related installation or an electronic component via the 1st terminal 122b, 122c and the 2nd terminal 123b, 123c, and can be used ( Not shown).

  While the preferred embodiments of the present invention have been disclosed above, as may be appreciated by those skilled in the art, they are not intended to limit the invention in any way. Various changes and modifications can be made without departing from the spirit and scope of the present invention. Accordingly, the scope of the claims of the present invention should be construed broadly including such changes and modifications.

DESCRIPTION OF SYMBOLS 1 Passive element structure 1a Passive element structure 1b Passive element structure 1c Passive element structure 11 Insulating base material 11a Insulating base material 11b Insulating base material 11c Insulating base material 12 Coil 12a Coil 12b Coil 12c Coil 13 Insulating coating 13a Insulating coating 13b Insulating Covering body 13c Insulating covering 14 Magnetic unit 14b Magnetic unit 15 Interlayer insulating layer 15c Interlayer insulating layer 111 Hollow part 111b Hollow part 111c Hollow part 112 Coil installation area 112a Coil installation area 112b Coil installation area 112c Coil installation area 121 Winding part 121a Winding part 121b Winding part 121c Winding part 122 First terminal 122a First terminal 122b First terminal 122c First terminal 123 Second terminal 123a Second terminal 123b Second terminal 123c Second terminal Terminal 124 Conductive part 124a Conductive part 12 b Conducting part 124c Conducting part 131 First notch part 131a First notch part 131b First notch part 131c First notch part 132 Second notch part 132a Second notch part 132b Two notches 132c Second notch 133 Perforation 133a Perforation 141 First magnetic element 141b First magnetic element 142 Second magnetic element 142b Second magnetic element 151 Second terminal installation groove 151c Second Terminal installation groove 152 channel part 152c channel part 153 recess 153c recess 1121 spiral installation groove 1121a spiral installation groove 1121b spiral installation groove 1121c spiral installation groove 1122 first terminal installation groove 1122a first terminal installation groove 1122b first 1 terminal installation groove 1122c 1st terminal installation groove 1123 2nd terminal installation groove 1123a 2nd terminal installation groove 11 4 channel portion 1124a channel portion 1411 first fixed seat 1411b first fixed seat 1412 first magnetic body 1412b first magnetic body 1421 second fixed seat 1421b second fixed seat 1422 second magnetic body 1422b second 2 magnetic material

Claims (9)

A passive element structure comprising an insulating substrate, at least one coil, an insulating covering and a magnetic unit,
The insulating base material is provided with a hollow portion at the center, and at least one coil installation region is provided on one surface,
The coil is provided in the coil installation region of the insulating base material and has a winding portion, and the winding portion is connected to a first terminal and a second terminal,
The insulating covering covers the insulating base and the winding part,
The magnetic unit is provided in a hollow portion of the insulating base material ,
In the coil installation region of the insulating base material, only one coil is disposed,
In the coil installation region, a spiral installation groove is formed,
At one end of the spiral installation groove, a first terminal installation groove is formed,
When the winding portion of the coil is disposed in the spiral installation groove and the first terminal is disposed in the first terminal installation groove, the passive element structure is formed in the inductor. Characteristic passive element structure. A passive element structure comprising an insulating substrate, at least one coil, an insulating covering and a magnetic unit,
The insulating base material is provided with a hollow portion at the center, and at least one coil installation region is provided on one surface,
The coil is provided in the coil installation region of the insulating base material and has a winding portion, and the winding portion is connected to a first terminal and a second terminal,
The insulating covering covers the insulating base and the winding part,
The magnetic unit is provided in a hollow portion of the insulating base material,
Two coils are disposed in the coil installation region of the insulating base,
Two spiral installation grooves are formed in the coil installation region,
A first terminal installation groove is formed at one end of the spiral installation groove,
In the winding portion of the coil, the spiral installation groove is formed,
Wherein the first terminal is disposed on the first terminal installation groove, wherein the passive element structure you characterized in that passive element structure is formed in the transformer. The insulating substrate is a dish-like body,
On the other surface of the insulating substrate, a second terminal installation groove is formed,
The spiral installation groove has a channel portion connected to the insulating substrate,
The winding part has a conductive part installed in the channel part,
The second terminal is installed in the second terminal installation groove and connected to the conductive portion,
The insulating covering has a first notch corresponding to the first terminal and a second notch corresponding to the second terminal;
The passive element structure according to claim 1 , wherein the insulating cover has a perforation corresponding to the hollow portion. The insulating substrate is a dish-like body,
Two second terminal installation grooves are formed on the other surface of the insulating base,
The spiral installation groove has a channel portion connected to the insulating substrate,
The winding part has a conductive part provided in the channel part,
The second terminal is disposed in the second terminal installation groove and connected to the conductive portion,
The insulating cover has two first cutout portions corresponding to the first terminals and two second cutout portions corresponding to the second terminals, and is formed in the hollow portion. 3. Passive element structure according to claim 2 , characterized in that it has corresponding perforations. The insulating base is cylindrical,
Between the insulating substrate and the insulating covering, an interlayer insulating layer that covers the coil installation region and the winding portion is formed,
The interlayer insulating layer has a second terminal installation groove,
The second terminal installation groove has a channel portion connected to the winding portion,
The second terminal is disposed in the second terminal installation groove,
2. The passive element structure according to claim 1 , wherein the second terminal includes a conductive portion that is disposed in the channel portion and connected to the winding portion. The interlayer insulating layer has a recess corresponding to the first terminal,
The side edge of the insulating covering has a first notch and a second notch provided adjacent to each other,
The first notch corresponds to the recess and the first terminal,
The passive element structure according to claim 5 , wherein the second notch corresponds to one end of the second terminal. The insulating base is cylindrical,
Between the insulating substrate and the insulating covering, an interlayer insulating layer that covers the coil installation region and the winding portion is formed,
The interlayer insulating layer has two second terminal installation grooves,
The second terminal installation groove has a channel portion connected to the winding portion,
The second terminal is disposed in the second terminal installation groove,
3. The passive element structure according to claim 2 , wherein the second terminal includes a conductive portion that is disposed in the channel portion and is connected to the winding portion. The interlayer insulating layer has a recess corresponding to the first terminal,
A first notch and a second notch that are adjacent to each other are provided on both side edges of the insulating covering,
The first notch corresponds to the recess and the first terminal,
The passive element structure according to claim 7 , wherein the second notch corresponds to one end of the second terminal. The magnetic unit has a first magnetic element and a second magnetic element,
The first magnetic element has a first fixed seat and a first magnetic body provided on the first fixed seat,
The first magnetic body is inserted into the hollow portion or the insulating cover,
The second magnetic element has a second fixed seat and a second magnetic body provided on the second fixed seat,
The second magnetic body is inserted into the hollow portion or the insulating coating, and contacts the first magnetic body.
The passive element structure according to claim 1, wherein the first fixed seat is coupled to the second fixed seat.

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