CN105163489A - Induction coil assembly - Google Patents
Induction coil assembly Download PDFInfo
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- CN105163489A CN105163489A CN201510339604.3A CN201510339604A CN105163489A CN 105163489 A CN105163489 A CN 105163489A CN 201510339604 A CN201510339604 A CN 201510339604A CN 105163489 A CN105163489 A CN 105163489A
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- planar inductor
- inductor assembly
- block
- circuit board
- groove
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/182—Printed circuits structurally associated with non-printed electric components associated with components mounted in the printed circuit board, e.g. insert mounted components [IMC]
- H05K1/183—Components mounted in and supported by recessed areas of the printed circuit board
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
The invention discloses an induction coil assembly, which comprises a printed circuit board and a first planar winding group, and is characterized in that the printed circuit board is provided with a plurality of circuit layers, and a first block is defined on the printed circuit board; the first planar winding group is arranged on the printed circuit board and comprises a first planar inductor assembly and a second planar inductor assembly; the first planar inductor assembly is distributed in combination of the plurality of circuit layers, and the first planar inductor assembly is arranged around the first block; and the second planar inductor assembly is distributed in combination of the plurality of circuit layers, and the second planar inductor assembly is arranged around the first block. Through the induction coil assembly disclosed by the invention, a plurality of induction coils can be effectively arranged on a single circuit board, and arrangement of a planar coil structure used for filtering, voltage conversion or other electric power conversion on the single circuit board is realized.
Description
Technical field
The present invention is relevant with the configuration of inductive component, particularly about a kind of induction coil assembly of complanation.
Background technology
Inductance coil is used in filtering, voltage transitions, rectification or other power inverters widely, and the annexation between different configurations and coil, can provide different functions.
Traditional coil is mainly wound around enamelled wire on drum stand, the stereochemical structure formed.Aforesaid three-dimensional winding structure, is unfavorable for miniaturization, and cannot be applied to the occasion for size, thickness requirement miniaturization, simultaneously in the process of miniaturization, also easily causes the accuracy of practical manifestation not meet designing requirement because of scale error.
Therefore, based on aforesaid problem, in prior art, develop the design of flattened helix circle, on a circuit board, the coiling circle of plane can be produced with general printed circuit board (PCB) processing procedure, thus replace the winding structure of three-dimensional.This kind of planar coil advantage is easily miniaturized and is conducive to a large amount of production fast, and maintains the requirement of high precision.
But, due to the structure of complanation, make the mutual collocation between multiple planar coil, circuit connects and also become difficulty, be not easy to configure complicated planar coil combination on single circuit board.
Summary of the invention
For reaching above-mentioned purpose, the invention provides a kind of induction coil assembly, comprising a printed circuit board (PCB) and one first plane coiling.Printed circuit board (PCB) has some circuit layers; First plane coiling group, is arranged at printed circuit board (PCB), comprises one first planar inductor assembly, is distributed in the combination of some circuit layers; And one second planar inductor assembly, be distributed in the combination of some circuit layers.
Further, printed circuit board (PCB) defines one first block, and the first planar inductor assembly and the second planar inductor assembly are arranged around the first block.
Further, induction coil assembly also comprises one first tap, be arranged at some circuit layers one of them, and the first tap is connected between the first planar inductor assembly and the second planar inductor assembly.
Further, printed circuit board (PCB) defines one first block and one second block, and the first planar inductor assembly is arranged around the first block, and the second planar inductor assembly is arranged around the second block.
Further, induction coil assembly also comprises one second plane coiling group, is arranged at printed circuit board (PCB), comprises one the 3rd planar inductor assembly and one the 4th plane Inductive component.3rd planar inductor components distribution is in the combination of some circuit layers, and the 3rd planar inductor assembly is arranged around the first block; 4th plane Inductive component, is distributed in the combination of some circuit layers, and the 4th plane Inductive component is arranged around the first block.
Further, induction coil assembly also comprises one second tap, be arranged at some circuit layers one of them, and the second tap is connected between the 3rd planar inductor assembly and the 4th plane Inductive component.
Further, printed circuit board (PCB) also defines one second block, and induction coil assembly also comprises one the 3rd plane coiling group, is arranged at printed circuit board (PCB).3rd plane coiling group comprises one the 5th planar inductor assembly, is distributed in the combination of some circuit layers, and the 5th planar inductor assembly is arranged around the second block; And one the 6th planar inductor assembly, be distributed in the combination of some circuit layers, the 6th planar inductor assembly is arranged around the second block.
Further, printed circuit board (PCB) also comprises one first and runs through groove and one second and run through groove, and first runs through the first block that groove runs through printed circuit board (PCB), and second runs through the second block that groove runs through printed circuit board (PCB).
Further, also comprise a magnetic core, a part for magnetic core is embedded into and runs through groove and second in first of printed circuit board (PCB) and run through groove.
Further, printed circuit board (PCB) also defines one second block and one the 3rd block, and induction coil assembly also comprises one second plane coiling group and one the 3rd plane coiling group, is arranged at printed circuit board (PCB).Second plane coiling group comprises one the 3rd planar inductor assembly, is distributed in the combination of some circuit layers, and the first planar inductor assembly is arranged around the second block; One the 4th plane Inductive component, is distributed in the combination of some circuit layers, and the 4th plane Inductive component is arranged around the second block; One second tap, be arranged at some circuit layers one of them, the second tap is connected between the 3rd planar inductor assembly and the 4th plane Inductive component.3rd plane coiling group comprises one the 5th planar inductor assembly, is distributed in the combination of some circuit layers, and the 5th planar inductor assembly is arranged around the 3rd block; One the 6th planar inductor assembly, is distributed in the combination of some circuit layers, and the 6th planar inductor assembly is arranged around the 3rd block.
Further, printed circuit board (PCB) also comprises one first and runs through groove, one second and run through groove and the 3rd and run through groove, first runs through the first block that groove runs through printed circuit board (PCB), and second runs through the second block that groove runs through printed circuit board (PCB), and the 3rd runs through the 3rd block that groove runs through printed circuit board (PCB).
Further, also comprise a magnetic core, the part of magnetic core is embedded into and runs through groove, second in first of printed circuit board (PCB) and run through groove and the 3rd and run through groove.
Further, also comprise a magnetic core, the part of magnetic core is embedded into and runs through groove, second in first of printed circuit board (PCB) and run through two that groove and the 3rd runs through among groove.
Further, also comprise two magnetic cores, the part of each magnetic core is embedded into and runs through groove, second in first of printed circuit board (PCB) and run through one that groove and the 3rd runs through among groove.
The advantage that the present invention has is:
By induction coil assembly of the present invention, can be effective on single circuit substrate plate and multiple induction coil is set, and be implemented in planar coil construction single circuit substrate being arranged and changes for filtering, filtering, voltage transitions or other electric power.
Accompanying drawing explanation
Fig. 1 is the organigram of the induction coil assembly of first embodiment of the invention.
Fig. 2 is the organigram of the induction coil assembly of second embodiment of the invention.
Fig. 3 is the organigram of the induction coil assembly of third embodiment of the invention.
Fig. 4 A to Fig. 4 D is the organigram of the induction coil assembly of fourth embodiment of the invention.
Fig. 5 is the organigram of the induction coil assembly of fifth embodiment of the invention.
Fig. 6 A to Fig. 6 G is the organigram of the induction coil assembly of sixth embodiment of the invention.
In figure:
1,2,3,4 induction coil assemblies;
10,20,30,40 printed circuit board (PCB)s;
100 circuit layers;
101,102,103,104,201,202,203,204,301,302,303,304,401,402,403, the combination of 404 some circuit layers;
11,21,31,41 first plane coiling groups;
111,211,311,411 first planar inductor assemblies;
112,212,312,412 second planar inductor assemblies;
113,213,313,413 first taps;
12,22,32,42 second plane coiling groups;
123,223,323,423 the 3rd planar inductor assemblies;
124,224,324,424 the 4th plane Inductive components;
125225,335,425 second taps;
16,26,36,46 first blocks;
160,260,460 first run through groove;
17,27,37,47 second blocks;
270,470 second run through groove;
23,43 the 3rd plane coiling groups;
235,435 the 5th planar inductor assemblies;
236,436 the 6th planar inductor assemblies;
25,45 magnetic cores;
48 the 3rd blocks;
480 the 3rd run through groove;
The contact of X+, X-, Cx, Y+, Y-, Cy printed circuit board (PCB).
Embodiment
Below in conjunction with specific embodiment, the invention will be further described, can better understand the present invention and can be implemented, but illustrated embodiment is not as a limitation of the invention to make those skilled in the art.
Refer to shown in Fig. 1, a kind of induction coil assembly 1 that first embodiment of the invention discloses, comprise printed circuit board (PCB) 10 and be arranged at the first plane coiling group 11 of printed circuit board (PCB) 10.Printed circuit board (PCB) 10 has some circuit layers 100, and printed circuit board (PCB) 10 defines one first block 16.First plane coiling group 11 comprises the first planar inductor assembly 111, second planar inductor assembly 112 and the first tap 113.Each circuit layer 100 all has the first block 16, and the first block 16 of each circuit layer 100 aims at the first block 16 of other circuit layers 100 mutually.In addition, printed circuit board (PCB) 10 can have one first and run through groove 160, runs through the first block 16 of printed circuit board (PCB) 10.
As shown in Figure 1, first planar inductor assembly 111 comprises multiple coiling with multiple series winding, be distributed in the combination 101 of some circuit layers of printed circuit board (PCB) 10, the combination 101 being actually multiple circuit layer shown in figure, first planar inductor assembly 111 each coiling from inside to outside is then distributed in the combination 101 of multiple circuit layer, and around the first block 16 to form the first planar inductor assembly 111.In the same manner, the second planar inductor assembly 112 has the coiling of multiple series winding, is distributed in the combination 102 of some circuit layers of printed circuit board (PCB) 10, and its around the first block 16 to form the second planar inductor assembly 112.The coiling of aforementioned first planar inductor assembly 111 and the second planar inductor assembly 112, can be arranged in sequentially stacked circuit layer, also can be sequentially interconnected or interconnected arbitrarily.Such as, if the first planar inductor assembly 111 has the first coiling, second coiling, 3rd coiling and the 4th coiling, and the second planar inductor assembly 112 has the 5th coiling, 6th coiling, 7th coiling, 8th coiling, then coiling arrangement from top to bottom can be the first coiling, second coiling, 3rd coiling, 4th coiling, 5th coiling, 6th coiling, 7th coiling and the 8th coiling, also can be the first coiling, 5th coiling, second coiling, 6th coiling, 3rd coiling, 7th coiling, 4th coiling and the 8th coiling.
First planar inductor assembly 111 and the direction of winding of the second planar inductor assembly 112 can be identical or contrary each other.
From the above, the electric connection between each circuit layer 100, can be reached by the perforation of through circuit layer 100, by perforation inwall electric circuit metal film, the circuit between a circuit layer 100 just can be made to be electrically connected.Perforation be applied as technological means common in the technical field of printed circuit board (PCB), below repeat no more.First planar inductor assembly 111 and the second planar inductor assembly 112 are contacted mutually, and the first tap 113 is connected between the first planar inductor assembly 111 and the second planar inductor assembly 112.One end that first planar inductor assembly 111 and the second planar inductor assembly 112 are not connected to each other, can as signal input and the end points exported.
First plane coiling group 11 also comprises the first tap 113, first tap 113 can be arranged at some circuit layers 100 one deck wherein, and one end of the first tap 113 is connected between the first planar inductor assembly 111 and the second planar inductor assembly 112.In addition, the other end of the first tap 113, then can be used as letter input endpoint.In addition, one end that the first planar inductor assembly 111, second planar inductor assembly 112 and the first tap 113 are not connected to each other, also can input endpoint or as ground termination points as the reference voltage.
Refer to shown in Fig. 2, be a kind of induction coil assembly 1 that the second embodiment discloses, be with the difference that the first embodiment is main, printed circuit board (PCB) 10 defines one first block 16 and one second block 17.Wherein, the first planar inductor assembly 111 and the second planar inductor assembly 112 are arranged around the first block 16 and the second block 17 respectively, and what present level distribution arranges kenel.
Referring to shown in Fig. 3, is a kind of induction coil assembly 1 that the 3rd embodiment discloses, and expands based on continuing in the first embodiment.3rd embodiment also comprises one second plane coiling group 12.Second plane coiling group 12 comprises the 3rd planar inductor assembly 123, the 4th plane Inductive component 124 and the second tap 125.
As shown in Figure 3, the 3rd planar inductor assembly 123 has the coiling of multiple series winding, is distributed in the combination 103 of some circuit layers, and its around the first block 16 to form the 3rd planar inductor assembly 123.In the same manner, the 4th plane Inductive component 124 has the coiling of multiple series winding, be distributed in some circuit layers combination 104, and its around the first block 16 to form the 4th plane Inductive component 124.The direction of winding of the 3rd planar inductor assembly 123 and the 4th plane Inductive component 124 is contrary or identical each other.Furthermore, the direction of winding of the first plane coiling group 11 and the second plane coiling group 12 is not limited each other, and the direction of winding between Inductive component 111,112,123,124 can be contrary or identical each other.
One end of 3rd planar inductor assembly 123 and the 4th plane Inductive component 124 is electrically connected mutually, the end points that the other end exports as signal and inputs.
Second plane coiling group 12 also comprises the second tap 125, second tap 125 and is arranged at some circuit layers 100 one deck wherein, and the second tap 125 is electrically connected at the 3rd planar inductor assembly 123 and the 4th plane Inductive component 124 is above-mentioned is interconnected line.The other other end, then can be used as letter input endpoint.One end that 3rd planar inductor assembly 123 and the 4th plane Inductive component 124 and the second tap 125 are not connected to each other, also can input endpoint or as ground termination points as the reference voltage.
The coiling arrangement of the Inductive component 123,124 of the second plane coiling group 12 can be sequentially stacked arrangement, sequentially staggered arrangement or be staggered arbitrarily.Between the coiling of the Inductive component 111,112,123,124 of the first plane coiling group 11 and the second plane coiling group 12, also can adopt sequentially stacked arrangement, sequentially staggered arrangement or be staggered arbitrarily.
First planar inductor assembly 111 of the first plane coiling group 11 and the coiling quantity of the second planar inductor assembly 112, can be the ratio of to, also can be the ratio of other multiples, and the coiling number ratio both it can be had some change according to design requirement; In like manner, 3rd planar inductor assembly 123 of the second plane coiling group 12 and the coiling quantity of the 4th plane Inductive component 124, can be the ratio of to, also can be the ratio of other multiples, and the coiling number ratio both it can be had some change according to design requirement.
The coiling number ratio of the first plane coiling group 11 and the second plane coiling group 12 is also have some change according to design requirement.
Refer to shown in Fig. 4 A, a kind of induction coil assembly 2 that fourth embodiment of the invention discloses, be applied to filtering, voltage transitions or other electric power transformation applications.Induction coil assembly 2 comprises printed circuit board (PCB) 20, first plane coiling group 21, second plane coiling group 22 and the 3rd plane coiling group 23.Printed circuit board (PCB) 20 defines the first block 26 and the second block 27.
As shown in Figure 4 A, first block 26 is for the first plane coiling group 21 and the second plane coiling group 22, first plane coiling group 21 and the second plane coiling group 22 are scattered among the combination 201,202,203,204 of multiple circuit layer, its technological means is roughly identical with the 3rd embodiment, below repeats no more.
3rd plane coiling group 23 of the 4th embodiment comprises the 5th planar inductor assembly 235 and the 6th planar inductor assembly 236,5th planar inductor assembly 235 has the coiling of multiple series winding, be distributed in the combination 203 of some circuit layers, and its around the second block 27 to form the 5th planar inductor assembly 235.In the same manner, the 6th planar inductor assembly 236 has the coiling of multiple series winding, is distributed in the combination 204 wherein of some circuit layers 200, and its around the second block 27 to form the 6th planar inductor assembly 236.
So one end of the 5th planar inductor assembly 235 and the 6th planar inductor assembly 236 is electrically connected mutually, the end points that the other end inputs as signal and exports.
As shown in Figure 4 A, the first form that 3rd plane coiling group 23 and the second plane coiling group 22 are connected to each other, 5th planar inductor assembly 235 is near one end of the second block 27, be electrically connected the 3rd planar inductor assembly 223 one end away from the first block 26, and the 6th planar inductor assembly 236 near one end of the second block 27, be electrically connected the 4th plane Inductive component 224 away from one end of the first block 26.
As shown in Figure 4 B, the second form that 3rd plane coiling group 23 and the second plane coiling group 22 are connected to each other, 5th planar inductor assembly 235 is near one end of the second block 27, be electrically connected the 4th plane Inductive component 224 one end away from the first block 26, and the 6th planar inductor assembly 236 near one end of the second block 27, be electrically connected the 3rd planar inductor assembly 223 away from one end of the first block 26.
As shown in Fig. 4 C and Fig. 4 D, induction coil assembly 2 of the present invention also can add a magnetic core 25.Printed circuit board (PCB) 20 also comprises first and runs through groove 260 and second and run through groove 270.This first runs through the first block 26, the second that groove 260 runs through printed circuit board (PCB) 20 and runs through the second block 27 that groove 270 runs through printed circuit board (PCB) 20.Further, a part for magnetic core 25 is embedded into and runs through groove 260 and second in first of printed circuit board (PCB) 20 and run through among groove 270.In preferred embodiment, magnetic core 25 is separable into two parts, and after being separated, the shape of half part of magnetic core 25 is C font, can the parameter of ease of assembly and adjustment magnetic core 25; In addition, the physical dimension of magnetic core 25 can determine according to design requirement, and the material of magnetic core 25 for having the metal of permeance, such as, can comprise the metal of different nickel, manganese, zinc component ratio.
As shown in Figure 4 C, one of the illustration of the external contact of printed circuit board (PCB) 20.Wherein, X+ and X-can connect the end points that the first plane coiling group 21 inputs for signal and exports, and Cx then connects the end points of the first tap 213 for externally connecting; Y+ and Y-can connect the end points that the 3rd plane coiling group 23 inputs for signal and exports, and Cy then connects the end points that the second tap 225 externally connects.
Similarly, in printed circuit board (PCB) 20, some circuit layers 200 have plating perforation respectively, and the circuit in above-mentioned each circuit layer 200 is electrically connected by plating perforation.
Referring to shown in Fig. 5, a kind of induction coil assembly 3 that fifth embodiment of the invention discloses, is the change of the 3rd embodiment.5th embodiment is different from the 3rd embodiment be in, printed circuit board (PCB) 30 defines one first block 36 and one second block 37.
As shown in Figure 5, the first plane coiling group 31 comprises the first planar inductor assembly 311, second planar inductor assembly 312 and the first tap 313.First planar inductor assembly 311 has the coiling of multiple series winding, be distributed in the combination 301 wherein of some circuit layers, and its around the first block 36 to form the first planar inductor assembly 311, second planar inductor assembly 312 has the coiling of multiple series winding, be distributed in the combination 302 wherein of some circuit layers, and its around the first block 36 to form the second planar inductor assembly 312.First planar inductor assembly 311, second planar inductor assembly 312 is contacted mutually, and one end of the first tap 313 is connected between the first planar inductor assembly 311, second planar inductor assembly 312.The direction of winding of the first planar inductor assembly 311, second planar inductor assembly 312 is contrary or identical each other.
As shown in Figure 5, the second plane coiling group 32 comprises the 3rd planar inductor assembly 323, the 4th plane Inductive component 324 and the second tap 335.3rd planar inductor assembly 323 has the coiling of multiple series winding, is distributed in the combination 303 wherein of some circuit layers, around the second block 37 to form the 3rd planar inductor assembly 323.In the same manner, the 4th plane Inductive component 324 has the coiling of multiple series winding, is distributed in the combination 304 wherein of some circuit layers, and around the second block 37 to form the 4th plane Inductive component 324.In addition, the direction of winding of the 3rd planar inductor assembly 323 and the 4th plane Inductive component 324 is contrary or identical each other.
Similarly, in printed circuit board (PCB) 30, some circuit layers 300 have plating perforation respectively, and the circuit in above-mentioned each circuit layer 300 is electrically connected by plating perforation.
From the above, the second tap 335 is arranged at some circuit layers 300 one deck wherein.3rd planar inductor assembly 323, the 4th plane Inductive component 324 are contacted mutually, and one end of the second tap 335 is connected between the 3rd planar inductor assembly 323, the 4th plane Inductive component 324.One end that second tap 335, the 3rd planar inductor assembly 323, the 4th plane Inductive component 324 are not connected to each other, then as the end points of signal constrained input.
Referring to shown in Fig. 6 A, is a kind of induction coil assembly 4 that sixth embodiment of the invention discloses, and is applied to filtering, voltage transitions or the application of other electric power.Induction coil assembly 4 comprises printed circuit board (PCB) 40, first plane coiling group 41, second plane coiling group 42 and a 3rd plane coiling group 43.Printed circuit board (PCB) 40 defines one first block 46,1 second block 47 and one the 3rd block 48.
As Fig. 6 A, the first plane coiling group 41 is arranged around the first block 46, and the second plane coiling group 42 is arranged around the 3rd block 48 around the second block the 47, three plane coiling group 43.
From the above, first plane coiling group 41 has planar inductor assembly 411 and the second planar inductor assembly 412, first planar inductor assembly 411 has the coiling of multiple series winding, is distributed in the combination 401 of some circuit layers, and around the first block 46 to form the first planar inductor assembly 411.In the same manner, the second planar inductor assembly 412 has the coiling of multiple series winding, is distributed in the combination 402 of some circuit layers, and around the first block 46 to form the second planar inductor assembly 412.
Second plane coiling group 42 has the 3rd planar inductor assembly 423 and the 4th plane Inductive component 424.3rd planar inductor assembly 423 has the coiling of multiple series winding, is distributed in the combination 403 of some circuit layers, and around the second block 47 to form the 3rd planar inductor assembly 423.In the same manner, the 4th plane Inductive component 424 has the coiling of multiple series winding, is distributed in the combination 404 of some circuit layers, and around the second block 47 to form the 4th plane Inductive component 424.
3rd plane coiling group 43 has the 5th planar inductor assembly 435 and the 6th planar inductor assembly 436.5th planar inductor assembly 435 has the coiling of multiple series winding, is distributed in the combination 403 of some circuit layers, and around the 3rd block 48 to form the 5th planar inductor assembly 435.In the same manner, the 6th planar inductor assembly 436 has the coiling of multiple series winding, is distributed in the combination 404 of some circuit layers, and around the 3rd block 48 to form the 6th planar inductor assembly 436.One end of 3rd planar inductor assembly 423 is connected to the 5th planar inductor assembly 435, and by end points that the other end of the 5th planar inductor assembly 435 the most externally connects; One end of 4th plane Inductive component 424 is connected to one end of the 6th planar inductor assembly 436, and the other end of the 6th planar inductor assembly 436 is as the end points externally connected.
Similarly, the sequencing of the direction of winding of each Inductive component 411,412,423,424,435,436, winding ratio, coiling, can change arbitrarily as in the previous embodiments.
In addition, the form that 3rd plane coiling group 43 and the second plane coiling group 42 are connected to each other, also Fig. 4 B person of presenting can be contrasted, do staggered connection, namely one end of the 3rd planar inductor assembly 423 is connected to the 6th planar inductor assembly 436, and by end points that the other end of the 6th planar inductor assembly 436 the most externally connects; One end of 4th plane Inductive component 424 is connected to one end of the 5th planar inductor assembly 435, and passes through the end points of the other end as externally connection of the 5th planar inductor assembly 435.
As shown in Figure 6B, the induction coil assembly 4 in the 6th embodiment also has a magnetic core 45.Printed circuit board (PCB) 40 also comprises first and runs through groove 460, second and run through groove 470 and the 3rd and run through groove 480.This first runs through the first block 46, the second that groove 460 runs through printed circuit board (PCB) 40 and runs through the second block the 47, three that groove 470 runs through printed circuit board (PCB) 40 and run through the 3rd block 48 that groove 480 runs through printed circuit board (PCB) 40.
As shown in Fig. 6 B and Fig. 6 C, magnetic core 45 presents E type, the part of magnetic core 45 is embedded into and runs through groove 460, second in first of printed circuit board (PCB) 40 and run through groove 470 and the 3rd and run through among groove 480, in preferred embodiment, magnetic core 45 is separable into two parts, can ease of assembly and adjustment magnetic core 45 parameter; In addition, the physical dimension of magnetic core 45 can determine according to design requirement, and the material of magnetic core 45 for having the metal of permeance, such as, can comprise the metal of different nickel, manganese, zinc component ratio.
Therefore, magnetic core 45 can be formed between coiling closes the magnetic line of force, strengthens the inductive effect between coiling.Contact X+ shown in Fig. 6 C, X-, can be used for the end points that connection first plane coiling group 41 externally connects, Cx then can be used for connection first tap 413; Contact Y+, Y-, can be used for the end points that connection the 3rd plane coiling group 43 externally connects, Cx then can be used for connection second tap 425.
Connection in printed circuit board (PCB) 40 between each circuit layer 400, can be reached by circuit perforation equally.
As shown in Fig. 6 D, Fig. 6 E and Fig. 6 F, magnetic core 45 presents also can adopt C type, and is only embedded into and runs through groove 460, second in first and run through groove 470 and the 3rd and run through in two of groove 480.
As Fig. 6 G, a part for magnetic core 46 also can be embedded into run through groove 460, second in first of printed circuit board (PCB) 40 and run through one that groove 470 and the 3rd runs through among groove 480.
The above embodiment is only that protection scope of the present invention is not limited thereto in order to absolutely prove the preferred embodiment that the present invention lifts.The equivalent alternative or conversion that those skilled in the art do on basis of the present invention, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (14)
1. an induction coil assembly, is characterized in that, comprising:
One printed circuit board (PCB), has some circuit layers;
One first plane coiling group, is arranged at this printed circuit board (PCB), comprises:
One first planar inductor assembly, is distributed in the combination of this some circuit layer; And
One second planar inductor assembly, is distributed in the combination of this some circuit layer.
2. induction coil assembly according to claim 1, is characterized in that, wherein, this printed circuit board (PCB) defines one first block, and this first planar inductor assembly and this second planar inductor assembly are arranged around this first block.
3. induction coil assembly according to claim 1, is characterized in that, also comprises one first tap, be arranged at this some circuit layer one of them, and this first tap is connected between this first planar inductor assembly and this second planar inductor assembly.
4. induction coil assembly according to claim 1, it is characterized in that, wherein, this printed circuit board (PCB) defines one first block and one second block, this the first planar inductor assembly is arranged around this first block, and this second planar inductor assembly is arranged around this second block.
5. induction coil assembly according to claim 1, is characterized in that, also comprises one second plane coiling group, is arranged at this printed circuit board (PCB), comprises:
One the 3rd planar inductor assembly, is distributed in the combination of this some circuit layer, and the 3rd planar inductor assembly is arranged around this first block; And
One the 4th plane Inductive component, is distributed in the combination of this some circuit layer, and the 4th plane Inductive component is arranged around this first block.
6. induction coil assembly according to claim 5, is characterized in that, also comprises one second tap, be arranged at this some circuit layer one of them, and this second tap is connected between the 3rd planar inductor assembly and the 4th plane Inductive component.
7. induction coil assembly according to claim 5, is characterized in that, wherein, this printed circuit board (PCB) also defines one second block, and this induction coil assembly also comprises one the 3rd plane coiling group, is arranged at this printed circuit board (PCB), the 3rd plane coiling group comprises:
One the 5th planar inductor assembly, is distributed in the combination of this some circuit layer, and the 5th planar inductor assembly is arranged around this second block; And
One the 6th planar inductor assembly, is distributed in the combination of this some circuit layer, and the 6th planar inductor assembly is arranged around this second block.
8. induction coil assembly according to claim 7, it is characterized in that, wherein, this printed circuit board (PCB) also comprises one first and runs through groove and one second and run through groove, this first runs through the first block that groove runs through this printed circuit board (PCB), and this second runs through the second block that groove runs through this printed circuit board (PCB).
9. induction coil assembly according to claim 8, is characterized in that, also comprises a magnetic core, and a part for this magnetic core is embedded into and runs through groove and second in first of this printed circuit board (PCB) and run through groove.
10. induction coil assembly according to claim 1, is characterized in that, wherein, this printed circuit board (PCB) also defines one second block and one the 3rd block, and this induction coil assembly also comprises one second plane coiling group and one the 3rd plane coiling group, is arranged at this printed circuit board (PCB), wherein:
This second plane coiling group, comprising:
One the 3rd planar inductor assembly, is distributed in the combination of this some circuit layer, and the 3rd planar inductor assembly is arranged around this second block;
One the 4th plane Inductive component, is distributed in the combination of this some circuit layer, and the 4th plane Inductive component is arranged around this second block;
One second tap, be arranged at this some circuit layer one of them, this second tap is connected between the 3rd planar inductor assembly and the 4th plane Inductive component; And
3rd plane coiling group, comprising:
One the 5th planar inductor assembly, is distributed in the combination of this some circuit layer, and the 5th planar inductor assembly is arranged around the 3rd block;
One the 6th planar inductor assembly, is distributed in the combination of this some circuit layer, and the 6th planar inductor assembly is arranged around the 3rd block.
11. induction coil assemblies according to claim 10, it is characterized in that, wherein, this printed circuit board (PCB) also comprises one first and runs through groove, one second and run through groove and the 3rd and run through groove, this first runs through the first block that groove runs through this printed circuit board (PCB), this second runs through the second block that groove runs through this printed circuit board (PCB), and the 3rd runs through the 3rd block that groove runs through this printed circuit board (PCB).
12. induction coil assemblies according to claim 11, is characterized in that, also comprise a magnetic core, and the part of this magnetic core is embedded in this that first runs through groove, this second runs through groove and the 3rd and run through groove.
13. induction coil assemblies according to claim 11, is characterized in that, also comprise a magnetic core, and the part of this magnetic core is embedded in this that first runs through groove, this second runs through two that groove and the 3rd runs through among groove.
14. induction coil assemblies according to claim 11, is characterized in that, also comprise two magnetic cores, and the part of each magnetic core is embedded in this that first runs through groove, this second runs through one that groove and the 3rd runs through among groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510339604.3A CN105163489A (en) | 2015-06-18 | 2015-06-18 | Induction coil assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510339604.3A CN105163489A (en) | 2015-06-18 | 2015-06-18 | Induction coil assembly |
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| CN105163489A true CN105163489A (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510339604.3A Pending CN105163489A (en) | 2015-06-18 | 2015-06-18 | Induction coil assembly |
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| CN (1) | CN105163489A (en) |
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| CN108736859A (en) * | 2017-04-17 | 2018-11-02 | 弘邺科技有限公司 | The filter of electronic signal |
| WO2019015626A1 (en) * | 2017-07-19 | 2019-01-24 | Huawei Technologies Co., Ltd. | Inductor structure and method for forming the same |
| US11437175B2 (en) | 2018-12-29 | 2022-09-06 | Delta Electronics (Shanghai) Co., Ltd | Magnetic unit |
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