CN106856140A - The common mode differential mode integrated inductor of bimag spatially interlaced arrangement - Google Patents
The common mode differential mode integrated inductor of bimag spatially interlaced arrangement Download PDFInfo
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- CN106856140A CN106856140A CN201510904157.1A CN201510904157A CN106856140A CN 106856140 A CN106856140 A CN 106856140A CN 201510904157 A CN201510904157 A CN 201510904157A CN 106856140 A CN106856140 A CN 106856140A
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Abstract
The invention provides the common mode differential mode integrated inductor of bimag spatially interlaced arrangement, wherein, the common mode differential mode integrated inductor includes：Cast common mode magnetic core；Cast differential mode magnetic core, the cast common mode magnetic core is homocentric with the cast differential mode magnetic core；First common mode winding, is wrapped in the cast common mode magnetic core side；Second common mode winding, it is symmetrical with the common mode winding, it is wrapped in the cast common mode magnetic core opposite side；First differential mode winding, is wrapped in the side of the differential mode cast magnetic core.Instant invention overcomes the less shortcoming of differential mode inductance value of existing common mode differential mode integrated inductor, high-current circuit is can be applied to.
Description
Technical field
The present invention relates to the magnetic cell integrated technology in electric and electronic technical field, more particularly to household electrical appliances power network rectified current
Common mode differential mode integrated inductor in road, be exactly specifically a kind of bimag spatially interlaced arrangement common mode differential mode it is integrated
Inductance.
Background technology
Integrated magnetic is by the two or more discrete devices (Discrete Magnetics, DM) in converter, such as
Inductance, transformer etc., are wound on a secondary magnetic core, are concentrated in together from structure, can reduce the body of magnetic device
Product, weight, can also reduce current ripples, reduce the loss of magnetic part, improve power supply dynamic property, to improving power supply sometimes
Performance and power density it is significant.
In the prior art in order to reduce cost, the volume and weight of magnetic cell in Power Electronic Circuit, magnetic Integrated Solution is big
Cause is divided into following a few classes：First, common mode and differential mode electromagnetic interference (EMI) inductance are integrated；2nd, power transformer and electricity
Sense it is integrated, such as the transformer of logic link control (LLC) controlled resonant converter and resonant inductance it is integrated；3rd,
The power inductance of multiple branch circuit interleaved parallel converter is integrated.
However, above-mentioned first kind magnetic Integrated Solution is confined to common mode inductance and differential mode inductance in EMI circuits, and can
Integrated differential mode inductance value is limited, and is generally only tens microhenries (referred to as prosperous).And second and third class magnetic Integrated Solution office
The magnetic cell being limited in power circuit is integrated.The magnetic of above scheme is integrated to be mostly planarized structure, it is necessary to take larger
Space, the space availability ratio of product is relatively low.
Therefore, those skilled in the art need a kind of magnetic integrated approach badly, and breakthrough traditionally can only be inside EMI circuits
The integrated limitation of common mode differential mode is carried out, the collection of the differential mode inductance in EMI circuits in common mode inductance and power circuit is realized
Into reducing the volume of magnetic cell, weight and the cost of whole system.
The content of the invention
In view of this, the technical problem to be solved in the present invention is the common mode for providing a kind of bimag spatially interlaced arrangement
Differential mode integrated inductor, solves the problems, such as that common mode differential mode can only be carried out inside EMI circuits in the prior art integrated.
In order to solve the above-mentioned technical problem, the specific embodiment of the present invention provides a kind of bimag and spatially interlocks
The common mode differential mode integrated inductor of arrangement, including：Cast common mode magnetic core；Cast differential mode magnetic core, the cast common mode magnetic core
It is homocentric with the cast differential mode magnetic core；First common mode winding, is wrapped in the cast common mode magnetic core side；Second common mode
Winding, it is symmetrical with the common mode winding, it is wrapped in the cast common mode magnetic core opposite side；First differential mode winding, winding
In the side of the differential mode cast magnetic core.
Understood based on above-mentioned specific embodiment of the invention, the integrated electricity of common mode differential mode of bimag spatially interlaced arrangement
Sense at least has the advantages that：The differential mode inductance of common mode inductance and power circuit is carried out it is integrated, reduce magnetic unit
The cumulative volume of part, increased the power density of circuit；Realize that the magnetic core and winding of common mode inductance and differential mode inductance are mutually common
With reducing cost；The less shortcoming of differential mode inductance value of conventional common-mode differential mode integrated inductor is overcome, makes its applicable
Application scenario it is more wide in range；Breakthrough can only traditionally carry out the integrated limitation of common mode differential mode inside EMI circuits,
The integrated of differential mode inductance in EMI circuits in common mode inductance and power circuit is realized, the magnetic cell of whole system is reduced
Volume, weight and cost, product space utilization rate is high, promotes the development of applied power electronics technical field.
It is to be understood that above-mentioned general description and detailed description below are merely illustrative and illustrative, it is not
Can the limitation scope to be advocated of the invention.
Brief description of the drawings
Following appended accompanying drawing is a part for specification of the invention, and it depicts example embodiment of the invention, institute
Accompanying drawing is used for illustrating principle of the invention together with the description of specification.
A kind of common mode differential mode of bimag that Fig. 1 is provided for the specific embodiment of the invention spatially interlaced arrangement is integrated
The structural representation of the embodiment one of inductance；
A kind of common mode differential mode of bimag that Fig. 2 is provided for the specific embodiment of the invention spatially interlaced arrangement is integrated
The structural representation of the embodiment two of inductance；
A kind of common mode differential mode of bimag that Fig. 3 is provided for the specific embodiment of the invention spatially interlaced arrangement is integrated
The structural representation of the embodiment three of inductance；
A kind of common mode differential mode of bimag that Fig. 4 is provided for the specific embodiment of the invention spatially interlaced arrangement is integrated
The structural representation of the example IV of inductance；
A kind of common mode differential mode of bimag that Fig. 5 is provided for the specific embodiment of the invention spatially interlaced arrangement is integrated
The structural representation of the embodiment five of inductance；
A kind of common mode differential mode of bimag that Fig. 6 is provided for the specific embodiment of the invention spatially interlaced arrangement is integrated
The structural representation of the embodiment six of inductance；
A kind of common mode differential mode of bimag that Fig. 7 is provided for the specific embodiment of the invention spatially interlaced arrangement is integrated
The structural representation of the embodiment seven of inductance；
A kind of common mode differential mode of bimag that Fig. 8 is provided for the specific embodiment of the invention spatially interlaced arrangement is integrated
The structural representation of the embodiment eight of inductance；
A kind of common mode differential mode of bimag that Fig. 9 is provided for the specific embodiment of the invention spatially interlaced arrangement is integrated
The structural representation of the embodiment nine of inductance；
A kind of common mode differential mode of bimag that Figure 10 is provided for the specific embodiment of the invention spatially interlaced arrangement is integrated
The structural representation of the embodiment ten of inductance；
A kind of common mode differential mode of bimag that Figure 11 is provided for the specific embodiment of the invention spatially interlaced arrangement is integrated
The concrete application circuit diagram of inductance.
Specific embodiment
For the purpose, technical scheme and advantage for making the embodiment of the present invention become more apparent, below will with accompanying drawing and in detail
Narration clearly illustrates the spirit of disclosed content, and any skilled artisan is being understood in the present invention
After the embodiment of appearance, when the technology that can be taught by present invention, it is changed and modifies, it is without departing from this hair
The spirit and scope of bright content.
Schematic description and description of the invention is for explaining the present invention but not as a limitation of the invention.
In addition, element/the component of the same or like label used in drawings and the embodiments is for representing identical or class
Like part.
On " first " used herein, " second " ... etc., not especially censure the meaning of order or cis-position
Think, be also not used to limit the present invention, its only for distinguish with constructed term describe element or operation.
On direction term used herein, for example：Upper and lower, left and right, front or rear etc., are only with reference to attached
The direction of figure.Therefore, the direction term for using is for illustrating not for limiting this creation.
On "comprising" used herein, " including ", " having ", " containing " etc., be opening
The term of property, that is, mean including but not limited to.
On it is used herein " and/or ", including the things any or all combinations.
On term used herein " substantially ", " about " etc., be used to modify it is any can be with the quantity of microvariations
Or error, but this slight variations or error can't change its essence.In general, micro- change that such term is modified
Change or the scope of error can be in some embodiments 20%, can be in some embodiments 10%, implement in part
Can be 5% or other numerical value in example.It will be understood by those skilled in the art that the foregoing numerical value for referring to can be according to actual need
Ask and adjust, be not limited thereto.
Some are used to describe the word of the application by lower or discuss in the other places of this specification, to provide art technology
The extra guiding on about the description of the present application of personnel.
A kind of common mode differential mode of bimag that Fig. 1 is provided for the specific embodiment of the invention spatially interlaced arrangement is integrated
The structural representation of the embodiment one of inductance, as shown in figure 1, by the center of common mode inductance magnetic core and differential mode inductance magnetic core
Center coincide, necessarily determine common mode inductance magnetic core exist in the inner side of differential mode inductance magnetic core, or differential mode inductance magnetic core
The inner side of common mode inductance magnetic core, so as to form common mode differential mode integrated inductor.
In the accompanying drawing specific embodiment, the common mode differential mode integrated inductor includes that cast common mode magnetic core 100, cast is poor
Mould magnetic core 200, the first common mode winding 300, the second common mode winding 400, the first differential mode winding 500, wherein, it is described
Cast common mode magnetic core 100 is homocentric with the cast differential mode magnetic core 200；First common mode winding 300 is wrapped in the cast
The side of common mode magnetic core 100；Second common mode winding 400 is symmetrical with the common mode winding 300, i.e., in physical circuit application
In, the second common mode winding 400 is identical with the number of turn of the common mode winding 300, the magnetic that the second common mode winding 400 is produced
Flux is equal in magnitude with the magnetic flux that the common mode winding 300 is produced, and in the opposite direction, the second common mode winding 400 winds
In the opposite side of cast common mode magnetic core 100；First differential mode winding 500 is wrapped in the differential mode cast magnetic core 200
Side.
Referring to Fig. 1, the shape of cast common mode magnetic core 100 can be the shapes such as circular, square, rhombus；Cast differential mode
The shape of magnetic core 200 can be shaped as circle for shape, i.e. cast common mode magnetic cores 100 such as circular, square, rhombuses
When, the shape of cast differential mode magnetic core 200 can be the cast shape such as circular, square；The shape of cast differential mode magnetic core 200
When shape is for circle, the shape of cast common mode magnetic core 100 can be the cast shape such as circular, square.Cast differential mode magnetic core
Differential mode winding is wound with 200, the differential mode inductance value in cast differential mode magnetic core 200 can be increased, DM EMI is played
Good inhibiting effect, common mode differential mode integrated inductor of the invention can apply to high-current circuit.Cast common mode magnetic core
Air gap 700, i.e. cast common mode magnetic core 100 and cast differential mode magnetic core 200 are left between 100 and cast differential mode magnetic core 200
Between closest two ends have two air gaps 700, cast common mode magnetic core 100 is approached with cast differential mode magnetic core 200
But do not contact, the magnetic leakage of cast common mode magnetic core 100 crosses air gap 700 and enters cast differential mode magnetic core 200, Ran Houtong all
Cross other end air gap 700 and return to cast common mode magnetic core 100, form a magnetic circuit closed loop, reduce cast common mode magnetic core
Influence of 100 leakage magnetic fluxs to other electron component.The present invention carries out common mode inductance and differential mode inductance integrated, reduces
The cumulative volume of magnetic cell, also has winding on differential mode magnetic core, increased the power density of circuit, overcomes conventional common-mode poor
The less shortcoming of differential mode inductance value of mould integrated inductor, makes its application scenario applicatory more wide in range；Break through traditionally only
The integrated limitation of common mode differential mode can be carried out inside EMI circuits, common mode inductance and power circuit in EMI circuits is realized
In differential mode inductance it is integrated, reduce the volume of magnetic cell, weight and the cost of whole system, product space utilization rate
Height, promotes the development of applied power electronics technical field.
A kind of common mode differential mode of bimag that Fig. 2 is provided for the specific embodiment of the invention spatially interlaced arrangement is integrated
The structural representation of the embodiment two of inductance, as shown in Fig. 2 the opposite side of cast differential mode magnetic core be also wound with differential mode around
Group, further increases the differential mode inductance value in cast differential mode magnetic core 200, preferably suppresses DM EMI.
In the accompanying drawing specific embodiment, the common mode differential mode integrated inductor also includes the second differential mode winding 600, wherein,
The direction of winding of the second differential mode winding 600 and the first differential mode winding 500 is conversely, the second differential mode winding 600 winds
In the opposite side of differential mode cast magnetic core 200.
Referring to Fig. 2, the second differential mode winding 600 is opposite with the direction of winding of the first differential mode winding 500, it is ensured that
During concrete application, the magnetic flux that the flow direction and the first differential mode winding 500 that the second differential mode winding 600 is produced are produced
Direction is identical, i.e., produce powerful magnetic flux inside differential mode cast magnetic core 200, such that it is able to be played to DM EMI
Good inhibiting effect.
Referring to Fig. 2, in a specific embodiment of the invention, common mode magnetic core outside, differential mode magnetic core when interior, common mode magnetic
There is common mode winding core both sides, and both sides winding coiling is symmetrical, i.e. the common mode winding direction of winding of common mode magnetic core both sides is opposite
It is identical with number of turns；There is differential mode winding differential mode magnetic core both sides, and the direction of winding of two differential mode windings is opposite；Side is total to
Mould winding is connected with side differential mode winding, and the common mode winding of remaining side is connected with the differential mode winding of remaining side, in differential mode
Load is connected between winding or common mode winding.
In the accompanying drawing specific embodiment, the cast common mode magnetic core 100 is in the outer of the cast differential mode magnetic core 200
Side, the first common mode winding 300 is connected with the first differential mode winding 500, the first differential mode winding 500
It is connected with the second differential mode winding 600.In physical circuit application, the second differential mode winding 600 and the second common mode around
Load can be connect between group 400, the first common mode winding 300 and the second common mode winding 400 connect power supply, the first common mode around
The common mode winding 400 of group 300 and second can be poor with the common mode disturbances in suppression circuit, the first differential mode winding 500 and second
Mould winding 600 can be with the DM EMI in suppression circuit.
Referring to Fig. 2, in the accompanying drawing specific embodiment, common mode magnetic core and differential mode magnetic core are circle, the circle of two circles
The heart overlaps, and the both sides on common mode magnetic core away from differential mode core plane are wound with winding, and the direction of winding of two windings is opposite, circle
Number is identical, and the flow direction that two windings are formed is conversely, such that it is able to the common mode disturbances in suppression circuit, differential mode magnetic core
On be wound with differential mode winding away from the both sides of plane where common mode magnetic core, therefore, the leakage magnetic flux of common mode magnetic core is by differential mode magnetic
Core is returned in common mode magnetic core, and differential mode magnetic core both sides are wound with differential mode winding, so as to increase differential mode inductance value, and subtract
Interference of the leakage magnetic flux of few common mode magnetic core to other circuit elements, is applicable common mode differential mode integrated inductor of the invention
In more extensive occasion.
A kind of common mode differential mode of bimag that Fig. 3 is provided for the specific embodiment of the invention spatially interlaced arrangement is integrated
The structural representation of the embodiment three of inductance, as shown in figure 3, common mode magnetic core is outside, differential mode magnetic core when interior, common mode
There is common mode winding magnetic core both sides, and both sides winding coiling is symmetrical, i.e. the common mode winding direction of winding phase of common mode magnetic core both sides
It is anti-identical with number of turns；There is differential mode winding differential mode magnetic core both sides, and the direction of winding of two differential mode windings is opposite；Side
Common mode winding is connected with side differential mode winding, the connection of the differential mode magnetic core of both sides, remaining common mode winding and differential mode winding it
Between connect load.
In an of the invention specific embodiment, the cast differential mode magnetic core 200 in the inner side of the cast common mode magnetic core 100,
The first common mode winding 300 is connected with the first differential mode winding 500, the second common mode winding 400 with it is described
Second differential mode winding 600 is connected.
Referring to Fig. 3, in the accompanying drawing specific embodiment, common mode magnetic core and differential mode magnetic core are circle, the circle of two circles
The heart overlaps, and the both sides on common mode magnetic core away from differential mode core plane are wound with common mode winding, and two common mode windings are symmetrical, i.e., and two
Common common mode direction of winding is opposite, the number of turn is identical, and the flow direction that two windings are formed is conversely, such that it is able to suppression circuit
In common mode disturbances, the both sides on differential mode magnetic core away from plane where common mode magnetic core are wound with differential mode winding, so as to increase
Differential mode inductance value, therefore, the leakage magnetic flux of common mode magnetic core is returned in common mode magnetic core by differential mode magnetic core, reduces common mode magnetic core
Interference of the leakage magnetic flux to other circuit elements, go for common mode differential mode integrated inductor of the invention more extensive
Occasion.
A kind of common mode differential mode of bimag that Fig. 4 is provided for the specific embodiment of the invention spatially interlaced arrangement is integrated
The structural representation of the example IV of inductance, as shown in figure 4, differential mode magnetic core is in outside, common mode magnetic core is total to inner side
There is common mode winding mould differential mode integrated inductor stereochemical structure, common mode magnetic core both sides, and the coiling of both sides common mode winding is symmetrical,
That is the common mode winding direction of winding of common mode magnetic core both sides is opposite identical with number of turns；Differential mode magnetic core both sides have differential mode around
Group, and the direction of winding of two differential mode windings is opposite；Side common mode winding is connected with side differential mode winding, remaining side
Common mode winding is connected with the differential mode winding of remaining side, and load is connected between two common mode windings or two differential mode windings.
In the accompanying drawing specific embodiment, the cast differential mode magnetic core 200 is in the cast common mode magnetic core 100
Side, the first common mode winding 300 is connected with the first differential mode winding 500, the second common mode winding 400
It is connected with the second differential mode winding 600.
Referring to Fig. 4, common mode magnetic core and differential mode magnetic core are circle, and the center of circle of two circles overlaps, away from difference on common mode magnetic core
The both sides of mould core plane are wound with common mode winding, and two common mode windings are symmetrical, i.e., two common common mode direction of windings are opposite, the number of turn
It is identical, flow direction that two windings are formed conversely, such that it is able to the common mode disturbances in suppression circuit, on differential mode magnetic core
Both sides away from plane where common mode magnetic core are wound with differential mode winding, so as to increase differential mode inductance value, therefore, common mode magnetic core
Leakage magnetic flux return to common mode magnetic core by differential mode magnetic core, reduce the leakage magnetic flux of common mode magnetic core to other circuit elements
Interference, makes common mode differential mode integrated inductor of the invention go for more extensive occasion.
A kind of common mode differential mode of bimag that Fig. 5 is provided for the specific embodiment of the invention spatially interlaced arrangement is integrated
The structural representation of the embodiment five of inductance, as shown in figure 5, differential mode magnetic core only side is wound with differential mode winding, differential mode
Winding is connected with the common mode winding of any side, in increase differential mode magnetic core while differential mode inductance value, is meeting differential mode inductance value
On the premise of, reduce production cost.
In a specific embodiment of the invention, the cast common mode magnetic core 100 is in the cast differential mode magnetic core 200
Side, the first common mode winding 300 is connected with the first differential mode winding 500；Or, the second common mode winding
400 are connected with the first differential mode winding 500.
Referring to Fig. 1, Fig. 5, common mode magnetic core only has in outside, schematic diagram of the differential mode magnetic core at inner side, differential mode magnetic core
Side is wound with differential mode winding, and the both sides on common mode magnetic core away from differential mode core plane are wound with common mode winding, two common modes around
Group is symmetrical, i.e., two common mode direction of windings are opposite altogether, the number of turn is identical, the flow direction that two windings are formed conversely, so as to
Differential mode can be wound with the common mode disturbances in suppression circuit, the wherein side on differential mode magnetic core away from plane where common mode magnetic core
Winding, differential mode winding is connected with any side common mode winding, so as to increase differential mode inductance value, therefore, common mode magnetic core
Leakage magnetic flux is returned in common mode magnetic core by differential mode magnetic core, and the leakage magnetic flux for reducing common mode magnetic core is done to other circuit elements
Disturb, in common mode differential mode integrated inductor of the invention is gone for high-current circuit.
A kind of common mode differential mode of bimag that Fig. 6 is provided for the specific embodiment of the invention spatially interlaced arrangement is integrated
The structural representation of the embodiment six of inductance, a kind of bimag that Fig. 7 is provided for the specific embodiment of the invention is spatially
The structural representation of the embodiment seven of the common mode differential mode integrated inductor of interlaced arrangement, as shown in Figure 6, Figure 7, common mode magnetic
Core only has side and is wound with differential mode winding, common mode magnetic in inner side, schematic diagram of the differential mode magnetic core at outside, differential mode magnetic core
Both sides on core away from differential mode core plane are wound with common mode winding, and two common mode windings are symmetrical, i.e., two common common mode direction of windings
Conversely, the number of turn is identical, the flow direction that two windings are formed conversely, such that it is able to the common mode disturbances in suppression circuit,
Wherein side on differential mode magnetic core away from plane where common mode magnetic core is wound with differential mode winding, and differential mode winding is common with any side
Mould winding is connected, so as to increase differential mode inductance value, therefore, the leakage magnetic flux of common mode magnetic core is returned to altogether by differential mode magnetic core
In mould magnetic core, interference of the leakage magnetic flux of common mode magnetic core to other circuit elements is reduced, make common mode differential mode of the invention integrated
Inductance goes in high-current circuit.
The present invention one is implemented in example, plane and the cast differential mode magnetic core where the cast common mode magnetic core 100
Plane where 200 is mutually perpendicular to, and so differential mode winding is influenced each other with common mode winding small for setting, realize common mode around
Group inductance and the mutual of differential mode winding inductance magnetic core share, and provide extra differential mode sensibility reciprocal, increased the integrated electricity of common mode
The differential mode inductance value of sense.
A kind of common mode differential mode of bimag that Fig. 8 is provided for the specific embodiment of the invention spatially interlaced arrangement is integrated
The structural representation of the embodiment eight of inductance, as shown in figure 8, cast common mode magnetic core 100 and cast differential mode magnetic core 200
Between leave two ends closest between air gap 700, i.e. cast common mode magnetic core 100 and cast differential mode magnetic core 200 and have
Two air gaps 700 (respectively having up and down), make cast common mode magnetic core 100 and cast differential mode magnetic core 200 close to but not
Contact, the magnetic leakage of cast common mode magnetic core 100 crosses air gap 700 and enters cast differential mode magnetic core 200 all, then by another
One end air gap 700 returns to cast common mode magnetic core 100, forms a magnetic circuit closed loop, reduces cast common mode magnetic core 100
Influence of the leakage magnetic flux to other electron component.
A kind of common mode differential mode of bimag that Fig. 9 is provided for the specific embodiment of the invention spatially interlaced arrangement is integrated
The structural representation of the embodiment nine of inductance, Figure 10 is in vertical for a kind of bimag that the specific embodiment of the invention is provided
The structural representation of the embodiment ten of the common mode differential mode integrated inductor of body interlaced arrangement；As shown in Figure 9, shown in Figure 10,
Where plane and differential mode magnetic core where common mode magnetic core is square structure, and common mode magnetic core with differential mode magnetic core in Fig. 9
Plane is mutually perpendicular to；Common mode magnetic core is square structure in Figure 10, and differential mode magnetic core is circular configuration, and common mode magnetic core
The plane at place is mutually perpendicular to the plane where differential mode magnetic core.
A kind of common mode differential mode of bimag that Figure 11 is provided for the specific embodiment of the invention spatially interlaced arrangement is integrated
The concrete application circuit diagram of inductance, is common mode differential mode integrated inductor of the present invention on domestic air conditioning as shown in figure 11
Application example, the differential mode inductance in common mode inductance and power circuit in electromagnetic interference (EMI) circuit is arranged at circuit
In, be exactly common mode differential mode integrated inductor shown in Fig. 1~Figure 10 after the two is integrated, common mode inductance equivalent to Fig. 1~
Common mode magnetic core and its winding in Figure 10, differential mode inductance equivalent to the differential mode magnetic core and its winding in Fig. 1~Figure 10,
Common mode differential mode integrated inductor of the invention overcome the differential mode inductance value of the common mode differential mode integrated inductor of traditional EMI circuits compared with
Small shortcoming so that common mode differential mode integrated inductor of the invention can be played in increasing applied power electronics field
Effect, especially in household electrical appliances application field.
The present invention at least also has the advantages that：
The present invention carries out the differential mode inductance of common mode inductance and power circuit integrated, reduces the cumulative volume of magnetic cell, increases
The power density of circuit is added；Realize that common mode inductance and the magnetic core and winding of differential mode inductance are mutually shared, reduce cost；
The less shortcoming of differential mode inductance value of conventional common-mode differential mode integrated inductor is overcome, its application scenario applicatory is more widened
It is general；Common mode differential mode integrated inductor of the invention can play a role in increasing applied power electronics field, especially
In household electrical appliances application field；Integrated differential mode sense of the differential mode inductance value than traditional common mode differential mode EMI integrated inductors of the present invention
Value increases more, so as to break through can only traditionally carry out the integrated limitation of common mode differential mode inside EMI circuits, realizes
Integrated, the body of the magnetic cell of reduction whole system of the differential mode inductance in EMI circuits in common mode inductance and power circuit
Product, weight and cost.
The present invention provides a kind of common mode differential mode integrated inductor of bimag spatially interlaced arrangement, by where common mode iron core
Plane is mutually perpendicular to intersect with the plane where differential mode iron core, but incomplete contact between, and twines in common mode iron core both sides respectively
Around common mode winding, differential mode winding is wound in differential mode iron core both sides, common mode winding and differential mode winding are mutually shared, two common modes
Umber of turn is identical, and the number of turn of two differential mode windings is identical, two common mode windings formed flow direction conversely, two differential modes around
The flow direction that group is formed is identical, integrated so as to common mode inductance and differential mode inductance be carried out, and reduces the totality of magnetic cell
Product, increased the power density of circuit；Realize that common mode inductance and the magnetic core and winding of differential mode inductance are mutually shared, reduce
Cost；The less shortcoming of differential mode inductance value of conventional common-mode differential mode integrated inductor is overcome, makes its applied field applicatory
Close more wide in range；Breakthrough can only traditionally carry out the integrated limitation of common mode differential mode inside EMI circuits, realize EMI
Integrated, the volume of the magnetic cell of reduction whole system, the weight of the differential mode inductance in circuit in common mode inductance and power circuit
Amount and cost, product space utilization rate are high, promote the development of applied power electronics technical field.
Schematical specific embodiment of the invention is the foregoing is only, before design of the invention and principle is not departed from
Put, the equivalent variations that any those skilled in the art is made with modification, the scope of protection of the invention all should be belonged to.
Claims (10)
1. a kind of common mode differential mode integrated inductor of bimag spatially interlaced arrangement, it is characterised in that the common mode differential mode
Integrated inductor includes：
Cast common mode magnetic core (100)；
Cast differential mode magnetic core (200), it is homocentric with the cast common mode magnetic core (100)；
First common mode winding (300), is wrapped in cast common mode magnetic core (100) side；
Second common mode winding (400), it is symmetrical with the common mode winding (300), it is wrapped in the cast common mode magnetic core
(100) opposite side；And
First differential mode winding (500), is wrapped in the side of the differential mode cast magnetic core (200).
2. the common mode differential mode integrated inductor of bimag as claimed in claim 1 spatially interlaced arrangement, its feature exists
In the common mode differential mode integrated inductor also includes：
Second differential mode winding (600), with the direction of winding of the first differential mode winding (500) conversely, being wrapped in institute
State differential mode cast magnetic core (200) opposite side.
3. the common mode differential mode integrated inductor of bimag as claimed in claim 2 spatially interlaced arrangement, its feature exists
In, the cast differential mode magnetic core (200) in the inner side of the cast common mode magnetic core (100), first common mode around
Group (300) is connected with the first differential mode winding (500), the first differential mode winding (500) and described second
Differential mode winding (600) is connected.
4. the common mode differential mode integrated inductor of bimag as claimed in claim 2 spatially interlaced arrangement, its feature exists
In, the cast differential mode magnetic core (200) in the inner side of the cast common mode magnetic core (100), first common mode around
Group (300) is connected with the first differential mode winding (500), the second common mode winding (400) and described second
Differential mode winding (600) is connected.
5. the common mode differential mode integrated inductor of bimag as claimed in claim 2 spatially interlaced arrangement, its feature exists
In, the cast common mode magnetic core (100) in the inner side of the cast differential mode magnetic core (200), first common mode around
Group (300) is connected with the first differential mode winding (500), the second common mode winding (400) and described second
Differential mode winding (600) is connected.
6. the common mode differential mode integrated inductor of bimag as claimed in claim 1 spatially interlaced arrangement, its feature exists
In the first common mode winding (300) is connected with the first differential mode winding (500)；Or, described second is total to
Mould winding (400) is connected with the first differential mode winding (500).
7. the common mode differential mode integrated inductor of bimag as claimed in claim 1 spatially interlaced arrangement, its feature exists
In, the plane where the cast common mode magnetic core (100) and the plane phase where the cast differential mode magnetic core (200)
It is mutually vertical.
8. the common mode differential mode integrated inductor of bimag as claimed in claim 1 spatially interlaced arrangement, its feature exists
In leaving air gap (700) between the cast common mode magnetic core (100) and the cast differential mode magnetic core (200).
9. the common mode differential mode integrated inductor of bimag as claimed in claim 1 spatially interlaced arrangement, its feature exists
Circular, rhombus or square is shaped as in, the cast common mode magnetic core (100).
10. the common mode differential mode integrated inductor of bimag as claimed in claim 1 spatially interlaced arrangement, its feature exists
Circular, rhombus or square is shaped as in, the cast differential mode magnetic core (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510904157.1A CN106856140B (en) | 2015-12-09 | 2015-12-09 | Common mode and differential mode integrated inductor with double magnetic cores in three-dimensional staggered arrangement |
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| CN107359784A (en) * | 2017-09-05 | 2017-11-17 | 贵州航天林泉电机有限公司 | A kind of the input EMC wave filters and preparation method of HVDC input power supply |
| CN110148512A (en) * | 2019-05-23 | 2019-08-20 | 合肥工业大学 | Three magnetic cores decouple magnetic integrated transformer |
| CN111157776A (en) * | 2020-01-14 | 2020-05-15 | 清华大学 | Double-magnetic-core sensor for insulation leakage current of power equipment |
| CN111157777A (en) * | 2020-01-14 | 2020-05-15 | 清华大学 | Design method of double-magnetic-core differential leakage current measurement sensor |
| CN111415810A (en) * | 2020-04-17 | 2020-07-14 | 北京中科宇航技术有限公司 | Differential-common mode integrated choke coil |
| CN114974833A (en) * | 2022-07-27 | 2022-08-30 | 四川虹锐电工有限责任公司 | Differential mode common mode magnetic shielding integrated choke coil |
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| CN111157777A (en) * | 2020-01-14 | 2020-05-15 | 清华大学 | Design method of double-magnetic-core differential leakage current measurement sensor |
| CN111415810A (en) * | 2020-04-17 | 2020-07-14 | 北京中科宇航技术有限公司 | Differential-common mode integrated choke coil |
| CN111415810B (en) * | 2020-04-17 | 2021-08-17 | 北京中科宇航技术有限公司 | Differential-common mode integrated choke coil |
| CN114974833A (en) * | 2022-07-27 | 2022-08-30 | 四川虹锐电工有限责任公司 | Differential mode common mode magnetic shielding integrated choke coil |
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