CN110400681B - Passive component structure - Google Patents
Passive component structure Download PDFInfo
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- CN110400681B CN110400681B CN201810378820.2A CN201810378820A CN110400681B CN 110400681 B CN110400681 B CN 110400681B CN 201810378820 A CN201810378820 A CN 201810378820A CN 110400681 B CN110400681 B CN 110400681B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
The invention provides a passive component structure, which comprises an insulating substrate, at least one coil, an insulating coating body and a magnetic unit, wherein the insulating substrate is provided with a plurality of coils; a hollow part is arranged in the center of the insulating base material, and one surface of the insulating base material is provided with at least one coil arrangement area; the coil is arranged in a coil arrangement area of the insulating base material and comprises a winding part, and the winding part is connected with a first terminal and a second terminal; the insulating coating body at least coats the insulating base material and the winding part; the magnetic unit is arranged in the hollow part of the insulating base material. Therefore, the passive component structure of the invention can be provided with a coil forming inductor and a two-coil forming transformer, thereby achieving the effects of saving space, improving an insulation mode, having simple structure, being flexibly applied and saving manufacturing cost.
Description
Technical Field
The present invention relates to a passive component structure, and more particularly, to a passive component structure capable of providing a transformer with two coils in addition to a coil forming inductor, thereby achieving the effects of saving space, improving insulation, simplifying structure, flexibly applying and saving manufacturing cost.
Background
Passive components in general, such as: the inductor comprises a magnetic base body, a metal coil combined on the magnetic base body and a magnetic cover body covering the upper end of the magnetic base body, wherein the metal coil comprises two pins, each pin is assembled on the magnetic base body respectively, and is bent inwards to form an electrode pin, the electrode pin is combined on the bottom surface of the magnetic base body and is connected to a circuit board, and the magnetic cover body is combined on the magnetic base body by using an adhesive to form the inductor.
Another passive component, such as: the transformer is formed by winding a plurality of windings on the drum-shaped magnetic component, and the windings are respectively and electrically connected with the terminal electrodes and the plate-shaped magnetic component. In addition, the components of a conventional transformer further include a bobbin, a lead wire, an insulator and a magnetic component, and in order to comply with safety regulations, the insulator of the conventional transformer is usually implemented in three ways, i.e., an insulation tape (insulation tape) is used for insulation with a teflon sleeve (teflon tube), a double-groove characteristic of the bobbin (bobbin) is used for insulation with a cover (cover), and a double-groove characteristic of the bobbin (bobbin) is used for insulation with a filling Epoxy resin (Epoxy). However, the three methods can make the insulator meet the safety specification of the transformer, but the method is complicated.
The inductor and the transformer are manufactured in different ways, and cannot be manufactured separately by sharing one substrate, which results in more time consumption in the manufacturing process and relatively complicated structure, and thus the method is not economical.
Disclosure of Invention
Based on at least one embodiment of the present invention, the present invention provides a passive component structure, which can be provided with a coil-forming inductor and a two-coil-forming transformer, so as to achieve the purposes of saving space, improving insulation manner, having a simple structure, being flexible to use, and saving manufacturing cost.
The invention provides a passive component structure, comprising: the coil comprises an insulating base material, at least one coil, an insulating coating body and a magnetic unit; the center of the insulating base material is provided with a hollow part, and one surface of the insulating base material is provided with at least a coil arrangement area; the coil is arranged in a coil arrangement area of the insulating base material and comprises a winding part, and the winding part is connected with a first terminal and a second terminal; the insulating coating body at least coats the insulating base material and the winding part; the magnetic unit is arranged in the hollow part of the insulating base material.
Through the above embodiments, the present invention provides a passive component structure. Besides a coil forming inductor, a transformer formed by two coils can be arranged, so as to achieve the purposes of saving space, improving insulation mode, having simple structure, being flexible to use and saving manufacturing cost.
Optionally, a coil is disposed in the coil disposing area of the insulating substrate, a spiral disposing groove is disposed in the coil disposing area, a first terminal disposing groove is disposed at one end of the spiral disposing groove, the winding portion of the coil is disposed in the spiral disposing groove, and the first terminal is disposed in the first terminal disposing groove, so that the passive component structure forms an inductor.
Optionally, the coil installation area of the insulating substrate is provided with two coils, the coil installation area is provided with two spiral installation grooves, one end of each spiral installation groove is provided with a first terminal installation groove, the winding portion of each coil is arranged in each spiral installation groove, and each first terminal is arranged in each first terminal installation groove, so that the passive component structure forms a transformer.
Optionally, the insulating base material is a disk-shaped body, the other surface of the insulating base material has a second terminal installation groove, the spiral installation groove has a channel portion communicated with the insulating base material, the winding portion has a conduction portion arranged in the channel portion, the second terminal is arranged in the second terminal installation groove and connected with the conduction portion, the insulating cover has a first gap portion and a second gap portion corresponding to the first terminal and the second terminal, and the insulating cover has a through hole corresponding to the hollow portion.
Optionally, the insulating substrate is a disk-shaped body, the other surface of the insulating substrate has two second terminal installation grooves, each spiral installation groove has a channel portion communicated with the insulating substrate, each winding portion has a conduction portion arranged in each channel portion, each second terminal is arranged in each second terminal installation groove and connected with each conduction portion, the insulating coating body has two first gap portions and two second gap portions corresponding to each first terminal and each second terminal, and the insulating coating body has a through hole corresponding to the hollow portion.
Optionally, the insulating substrate is cylindrical, an insulating interposer is further disposed between the insulating substrate and the insulating cover, and at least covers the coil installation region and the winding portion, the insulating interposer has a second terminal installation slot, the second terminal installation slot has a channel portion communicating with the winding portion, the second terminal is disposed in the second terminal installation slot, and the second terminal has a conduction portion disposed in the channel portion and connected to the winding portion.
Optionally, the insulating interposer has a recess corresponding to the first terminal, one side edge of the insulating cover has a first notch corresponding to the recess and the first terminal and a second notch corresponding to one end of the second terminal, which are adjacently disposed.
Optionally, the insulating substrate is cylindrical, an insulating interposer is further disposed between the insulating substrate and the insulating cover, and at least covers the coil installation region and the winding portions, the insulating interposer has two second terminal installation slots, each second terminal installation slot has a channel portion communicating with each winding portion, each second terminal is disposed in each second terminal installation slot, and each second terminal has a conduction portion disposed in each channel portion and connected to each winding portion.
Alternatively, the insulating interposer has a recess corresponding to each first terminal, the insulating cover has a first notch and a second notch adjacent to each other on both side edges, the first notches correspond to the recesses and the first terminals, and the second notches correspond to one end of the second terminals.
Optionally, the magnetic unit includes a first magnetic assembly and a second magnetic assembly, the first magnetic assembly has a first fixing seat and a first magnetic body disposed on the first fixing seat, the first magnetic body penetrates through the hollow portion or the insulating cladding body, the second magnetic assembly has a second fixing seat and a second magnetic body disposed on the second fixing seat, the second magnetic body penetrates through the hollow portion or the insulating cladding body and contacts with the first magnetic body, and the first fixing seat and the second fixing seat are combined with each other.
For a better understanding of the nature and technical content of the present invention, reference should be made to the following detailed description of the invention and the accompanying drawings, which are provided for illustration purposes only and are not intended to limit the scope of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
FIG. 1 is a schematic external view of a first preferred embodiment of the present invention;
FIG. 2 is an exploded view of the first preferred embodiment of the present invention;
FIG. 3 is a schematic external view of a second preferred embodiment of the present invention;
FIG. 4 is an exploded view of a second preferred embodiment of the present invention;
FIG. 5 is a schematic external view of a third preferred embodiment of the present invention;
FIG. 6 is an exploded view of a third preferred embodiment of the present invention;
FIG. 7 is a schematic external view of a fourth preferred embodiment of the present invention; and
FIG. 8 is an exploded view of a fourth preferred embodiment of the present invention.
Reference numerals:
1. 1a, 1b, 1c passive component structure
11. 11a, 11b, 11c insulating base material
111. 111b, 111c hollow
112. 112a, 112b, 112c coil arrangement region
1121. 1121a, 1121b, 1121c are spirally provided with grooves
1122. 1122a, 1122b, 1122c first terminal installation groove
1123. 1123a second terminal arranging groove
1124. 1124a channel part
12. 12a, 12b, 12c coil
121. 121a, 121b, 121c winding parts
122. 122a, 122b, 122c first terminal
123. 123a, 123b, 123c second terminal
124. 124a, 124b, 124c conductive portions
13. 13a, 13b, 13c insulating coating
131. 131a, 131b, 131c first notch parts
132. 132a, 132b, 132c second notch portions
133. 133a perforation
14. 14b magnetic unit
141. 141b first magnetic assembly
1411. 1411b first fixing seat
1412. 1412b a first magnetic body
142. 142b second magnetic assembly
1421. 1421b second fixing seat
1422. 1422b second magnetic body
15. 15c insulating interposer
151. 151c second terminal installation groove
152. 152c channel part
153. 153c recess
Detailed Description
The local component structure of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 and 2, as shown in the drawings, the present invention provides a passive component structure 1, which includes an insulating substrate 11, a coil 12, an insulating cover 13 and a magnetic unit 14.
The center of the insulating substrate 11 is provided with a hollow portion 111, and one surface of the insulating substrate 11 is provided with a coil installation region 112, and the three-dimensional insulating substrate 11 may be made of epoxy resin.
The coil 12 is disposed in the coil installation region 112 of the insulating base material 11, the coil 12 includes a winding portion 121, and the first terminal 122 and the second terminal 123 are connected to the winding portion 121.
The insulating coating 13 at least coats the insulating substrate 11 and the winding portion 121, and the insulating coating 13 may be made of plastic, rubber, thermoplastic plastic 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, in this embodiment, the insulating substrate 11 is a disk-shaped body, the coil 12 is disposed in the coil disposing region 112 of the insulating substrate 11, the coil disposing region 112 is disposed with a spiral disposing groove 1121 (or the coil disposing region 112 is disposed on the surface of the insulating substrate 11, so that the coil 12 is disposed on the surface of the insulating substrate 11), one end of the spiral disposing groove 1121 is provided with a first terminal disposing groove 1122, the winding portion 121 of the coil 12 is disposed in the spiral disposing groove 1121, the first terminal 122 is disposed in the first terminal disposing groove 1122, the other surface of the insulating substrate 11 is provided with a second terminal disposing groove 1123, the spiral disposing groove 1121 is provided with a channel portion 1124 communicating with the insulating substrate 11, the winding portion 121 is provided with a conducting portion 124 disposed in the channel portion 1124, the second terminal 123 is disposed in the second terminal disposing groove 1123 and connected to the conducting portion 124, and the insulating cover 13 is provided with a first notch 131 and a second notch 123 corresponding to the first terminal 122 and the second terminal 123 The mouth 132, the insulating cover 13 and the through hole 133 corresponding to the hollow portion 111, and the magnetic unit 14 are disposed in the through hole 133, so that the passive component structure 1 can constitute an inductor and can be electrically connected to a related device or an electronic component through the first terminal 122 and the second terminal 123 (not shown).
In a preferred embodiment of the present invention, the magnetic unit 14 includes a first magnetic component 141 and a second magnetic component 142, the first magnetic component 141 has a first fixing seat 1411 and a first magnetic body 1412 disposed on the first fixing seat 1411, the first magnetic body 1412 penetrates through the through hole 133 of the insulating cover 13, the second magnetic component 142 has a second fixing seat 1421 and a second magnetic body 1422 disposed on the second fixing seat 1421, the second magnetic body 1422 penetrates through the through hole 133 of the insulating cover 13 and contacts with the first magnetic body, and the first fixing seat 1411 and the second fixing seat 1421 are combined with each other.
Referring to fig. 3 and 4, as shown in the drawing, in the present embodiment, the passive element structure 1a is a transformer, the insulating substrate 11a is a disk-shaped body, the coil installation region 112a of the insulating substrate 11a is provided with two coils 12 and 12a, the coil installation region 112a is provided with two spiral installation grooves 1121 and 1121a (or the coil installation region 112a is located on the surface of the insulating substrate 11a so as to enable the coils 12 and 12a to be installed on the surface of the insulating substrate 11 a), one end of each spiral installation groove 1121 and 1121a is provided with a first terminal installation groove 1122 and 1122a, respectively, the winding portions 121 and 121a of each coil 12 and 12a are provided on each spiral installation groove 1121 and 1121a, each first terminal 122 and 122a is provided on each first terminal installation groove 1122 and 1122a, the other surface of the insulating substrate 11a is provided with two second terminal installation grooves 3 and 3a, respectively, and each spiral installation groove 112and 1121a is provided with a channel portion 1124 and a communicating with the insulating substrate 11a, 1124a, each of the winding portions 121, 121a has a conductive portion 124, 124a disposed in each of the channel portions 1124, 1124a, respectively, each of the second terminals 123, 123a is disposed in each of the second terminal disposition grooves 1123, 1123a and connects each of the conductive portions 124, 124a, the insulating cover 13a has two first notch portions 131, 131a and two second notch portions 132, 132a corresponding to each of the first terminals 122, 122a and each of the second terminals 123, 123a, and the magnetic unit 14 has the first magnetic body 1412 of the first magnetic assembly 141 and the second magnetic body 1422 of the second magnetic assembly 142 penetrating the through hole 133a of the insulating cover 13a, and the first fixing seat 1411 and the second fixing seat 1421 being coupled to each other; in this way, the passive component structure 1a can constitute a transformer, and can be electrically connected to related devices or electronic components through the first terminals 122 and 122a and the second terminals 123 and 123a (not shown).
Referring to fig. 5 and 6, as shown in the figure, the passive component structure 1b in this embodiment is another type of inductor, the insulating substrate 11b is cylindrical, the coil 12b is disposed in the coil disposing region 112b of the insulating substrate 11b, the coil disposing region 112b is disposed with a spiral disposing groove 1121b (or the coil disposing region 112b is disposed on the surface of the insulating substrate 11b, so that the coil 12b is disposed on the surface of the insulating substrate 11 b), one end of the spiral disposing groove 1121b is provided with a first terminal disposing groove 1122b, the winding portion 121b of the coil 12b is disposed in the spiral disposing groove 1121b, the first terminal 122b is disposed in the first terminal disposing groove 1122b, an insulating interposer 15 is further disposed between the insulating substrate 11b and the insulating cover 13b, and at least covers the coil disposing region 112b and the winding portion 121b, the insulating interposer 15 is provided with a second terminal disposing groove 151, the second terminal arranging groove 151 has a passage portion 152 communicating with the winding portion 121b, the second terminal 123b is provided in the second terminal installation groove 151, the second terminal 123b has a conduction part 124b provided in the passage part 152 and connected to the winding part 121b, the insulating interposer 15 has a recess 153 corresponding to the first terminal 122b, the insulating cover 13b has a first notch 131b and a second notch 132b adjacent to each other on one side edge, the first notch portion 131b corresponds to the recess 153 and the first terminal 122b, the second notch portion 132b corresponds to one end of the second terminal 123b, the magnetic unit 14b is configured to penetrate the hollow portion 111b of the insulating substrate 11b through the first magnetic body 1412b of the first magnetic assembly 141b and the second magnetic body 1422b of the second magnetic assembly 142b, and the first fixing seat 1411b and the second fixing seat 1421b are combined with each other; in this way, the passive component structure 1b can be used as an inductor and electrically connected to the related device or electronic component through the first terminal 122b and the second terminal 123b (not shown).
Referring to fig. 7 and 8, as shown in the drawings, the passive element structure 1c of the present embodiment is another type of transformer, the insulating substrate 11c is cylindrical, the coil installation region 112c of the insulating substrate 11c is provided with two coils 12b and 12c, the coil installation region 112c is provided with two spiral installation slots 1121b and 1121c (or the coil installation region 112c is located on the surface of the insulating substrate 11c, so that the coils 12b and 12c are installed on the surface of the insulating substrate 11 c), one end of each spiral installation slot 1121b and 1121c is provided with a first terminal installation slot 1122b and 1122c, the winding portions 121b and 121c of each coil 12b and 12c are installed in each spiral installation slot 1121b and 1121c, each first terminal 122b and 122c is installed in each first terminal installation slot b and 1122c, an insulating intermediate layer 1122 is installed between the insulating substrate and the insulating cover body, and at least the coil installation region 112c and each portion 121b, 1122c are covered by the insulating intermediate layer, 121c, the insulating interposer 15c has two second terminal installation grooves 151, 151c, the second terminal installation grooves 151, 151c respectively have channel portions 152, 152c communicating with the winding portions 121b, 121c, the second terminals 123b, 123c are respectively provided in the second terminal installation grooves 151, 151c, the second terminals 123b, 123c respectively have conduction portions 124b, 124c provided in the channel portions 152, 152c and connecting the winding portions 121b, 121c, the insulating interposer 15c has concave portions 153, 153c corresponding to the first terminals 122b, 122c, the insulating cover 13c has first notches 131b, 131c and second notches 132b, 132c provided adjacent to each other on both side edges thereof, the first notches 131b, 131c correspond to the concave portions 153, 153c and the first terminals 122b, 122c, the second notches 131b, 131c correspond to the second terminals 123b, 123c, 123c, the magnetic unit 14b is configured to penetrate the hollow portion 111c of the insulating base material 11c through the first magnetic body 1412b of the first magnetic assembly 141b and the second magnetic body 1422b of the second magnetic assembly 142b, and the first fixing seat 1411b and the second fixing seat 1421b are combined with each other; in this way, the passive component structure 1c can constitute a transformer, and can be electrically connected to related devices or electronic components through the first terminals 122b and 122c and the second terminals 123b and 123c (not shown).
In summary, the passive component structure provided in the embodiments of the present invention can be provided with a coil-forming inductor and a two-coil-forming transformer, so as to achieve the purposes of saving space, improving insulation manner, having a simple structure, being flexible and saving manufacturing cost.
The above description is only an example of the present invention, and is not intended to limit the scope of the present invention.
Claims (5)
1. A passive component structure, comprising:
the coil winding device comprises an insulating base material, a winding core and a winding core, wherein a hollow part is arranged in the center of the insulating base material, and at least one coil arrangement area is arranged on one surface of the insulating base material;
the coil is arranged in the coil arrangement area of the insulating base material and comprises a winding part, and the winding part is connected with a first terminal and a second terminal;
an insulating coating body which coats at least the insulating base material and the winding portion; and
the magnetic unit is arranged in the hollow part of the insulating base material and comprises a first magnetic component and a second magnetic component;
a coil is arranged in a coil arrangement area of the insulation substrate, a spiral arrangement groove is arranged in the coil arrangement area, a first terminal arrangement groove is formed in one end of the spiral arrangement groove, a winding portion of the coil is arranged in the spiral arrangement groove, and the first terminal is arranged in the first terminal arrangement groove, so that the passive component structure forms an inductor;
the insulating substrate is a disc-shaped body, a second terminal setting groove is formed in the other surface of the insulating substrate, the spiral setting groove is provided with a channel portion communicated with the insulating substrate, the winding portion is provided with a conduction portion arranged on the channel portion, the second terminal is arranged on the second terminal setting groove and connected with the conduction portion, the insulating coating body is provided with a first gap portion and a second gap portion corresponding to the first terminal and the second terminal, and the insulating coating body is provided with a through hole corresponding to the hollow portion.
2. The passive component structure according to claim 1, wherein the first magnetic component has a first fixing base and a first magnetic body disposed on the first fixing base, the first magnetic body is inserted into the hollow portion or the insulating cover, the second magnetic component has a second fixing base and a second magnetic body disposed on the second fixing base, the second magnetic body is inserted into the hollow portion or the insulating cover and contacts with the first magnetic body, and the first fixing base and the second fixing base are combined with each other.
3. A passive component structure, comprising:
the coil winding device comprises an insulating base material, a winding core and a winding core, wherein a hollow part is arranged in the center of the insulating base material, and at least one coil arrangement area is arranged on one surface of the insulating base material;
the coil is arranged in the coil arrangement area of the insulating base material and comprises a winding part, and the winding part is connected with a first terminal and a second terminal;
an insulating coating body which coats at least the insulating base material and the winding portion; and
the magnetic unit is arranged in the hollow part of the insulating base material and comprises a first magnetic component and a second magnetic component;
the coil arrangement area of the insulating substrate is provided with two coils, the coil arrangement area is provided with two spiral arrangement grooves, one end of each spiral arrangement groove is provided with a first terminal arrangement groove, the winding part of each coil is arranged in each spiral arrangement groove, and each first terminal is arranged in each first terminal arrangement groove, so that the passive component structure forms a transformer;
the insulating substrate is a disk-shaped body, the other surface of the insulating substrate is provided with two second terminal setting grooves, each spiral setting groove is respectively provided with a channel part communicated with the insulating substrate, each winding part is respectively provided with a conduction part arranged on each channel part, each second terminal is arranged on each second terminal setting groove and is connected with each conduction part, the insulating coating body is provided with two first gap parts and two second gap parts corresponding to each first terminal and each second terminal, and the insulating coating body is provided with a through hole corresponding to the hollow part.
4. A passive component structure, comprising:
the coil winding device comprises an insulating base material, a winding core and a winding core, wherein a hollow part is arranged in the center of the insulating base material, and at least one coil arrangement area is arranged on one surface of the insulating base material;
the coil is arranged in the coil arrangement area of the insulating base material and comprises a winding part, and the winding part is connected with a first terminal and a second terminal;
an insulating coating body which coats at least the insulating base material and the winding portion; and
the magnetic unit is arranged in the hollow part of the insulating base material and comprises a first magnetic component and a second magnetic component;
a coil is arranged in a coil arrangement area of the insulation substrate, a spiral arrangement groove is arranged in the coil arrangement area, a first terminal arrangement groove is formed in one end of the spiral arrangement groove, a winding portion of the coil is arranged in the spiral arrangement groove, and the first terminal is arranged in the first terminal arrangement groove, so that the passive component structure forms an inductor;
the insulating substrate is cylindrical, an insulating intermediate layer is further arranged between the insulating substrate and the insulating coating body and at least covers the coil arrangement area and the winding portion, the insulating intermediate layer is provided with a second terminal arrangement groove, the second terminal arrangement groove is provided with a channel portion communicated with the winding portion, the second terminal is arranged in the second terminal arrangement groove, and the second terminal is provided with a conduction portion arranged in the channel portion and connected with the winding portion.
5. A passive component structure, comprising:
the coil winding device comprises an insulating base material, a winding core and a winding core, wherein a hollow part is arranged in the center of the insulating base material, and at least one coil arrangement area is arranged on one surface of the insulating base material;
the coil is arranged in the coil arrangement area of the insulating base material and comprises a winding part, and the winding part is connected with a first terminal and a second terminal;
an insulating coating body which coats at least the insulating base material and the winding portion; and
the magnetic unit is arranged in the hollow part of the insulating base material and comprises a first magnetic component and a second magnetic component;
the coil arrangement area of the insulating substrate is provided with two coils, the coil arrangement area is provided with two spiral arrangement grooves, one end of each spiral arrangement groove is provided with a first terminal arrangement groove, the winding part of each coil is arranged in each spiral arrangement groove, and each first terminal is arranged in each first terminal arrangement groove, so that the passive component structure forms a transformer;
the insulating substrate is cylindrical, an insulating intermediate layer is further arranged between the insulating substrate and the insulating coating body and at least coats the coil arrangement area and the winding parts, the insulating intermediate layer is provided with two second terminal arrangement grooves, each second terminal arrangement groove is respectively provided with a channel part communicated with each winding part, each second terminal is respectively arranged in each second terminal arrangement groove, and each second terminal is respectively provided with a conduction part arranged in each channel part and connected with each winding part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810378820.2A CN110400681B (en) | 2018-04-25 | 2018-04-25 | Passive component structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810378820.2A CN110400681B (en) | 2018-04-25 | 2018-04-25 | Passive component structure |
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| CN110400681A CN110400681A (en) | 2019-11-01 |
| CN110400681B true CN110400681B (en) | 2022-05-03 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5684445A (en) * | 1994-02-25 | 1997-11-04 | Fuji Electric Co., Ltd. | Power transformer |
| US6734775B2 (en) * | 2002-04-29 | 2004-05-11 | Yu-Lin Chung | Transformer structure |
| KR100433188B1 (en) * | 2001-08-28 | 2004-05-28 | 주식회사 쎄라텍 | A surface mounted power inductor and manufacturing method therefof |
| CN2798265Y (en) * | 2005-05-24 | 2006-07-19 | 联宝电子股份有限公司 | Inductor with disc coil |
| US7436280B2 (en) * | 2000-09-26 | 2008-10-14 | General Electric Company | High-voltage transformer winding and method of making |
| JP4984090B2 (en) * | 2008-08-19 | 2012-07-25 | Ｔｄｋ株式会社 | Coil parts |
| CN208027883U (en) * | 2018-04-25 | 2018-10-30 | 品翔电通股份有限公司 | Passive component structure |
-
2018
- 2018-04-25 CN CN201810378820.2A patent/CN110400681B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5684445A (en) * | 1994-02-25 | 1997-11-04 | Fuji Electric Co., Ltd. | Power transformer |
| US7436280B2 (en) * | 2000-09-26 | 2008-10-14 | General Electric Company | High-voltage transformer winding and method of making |
| KR100433188B1 (en) * | 2001-08-28 | 2004-05-28 | 주식회사 쎄라텍 | A surface mounted power inductor and manufacturing method therefof |
| US6734775B2 (en) * | 2002-04-29 | 2004-05-11 | Yu-Lin Chung | Transformer structure |
| CN2798265Y (en) * | 2005-05-24 | 2006-07-19 | 联宝电子股份有限公司 | Inductor with disc coil |
| JP4984090B2 (en) * | 2008-08-19 | 2012-07-25 | Ｔｄｋ株式会社 | Coil parts |
| CN208027883U (en) * | 2018-04-25 | 2018-10-30 | 品翔电通股份有限公司 | Passive component structure |
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| Publication number | Publication date |
|---|---|
| CN110400681A (en) | 2019-11-01 |
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