CN208335914U - One kind three differs common mode integrated inductor - Google Patents
One kind three differs common mode integrated inductor Download PDFInfo
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- CN208335914U CN208335914U CN201820825132.1U CN201820825132U CN208335914U CN 208335914 U CN208335914 U CN 208335914U CN 201820825132 U CN201820825132 U CN 201820825132U CN 208335914 U CN208335914 U CN 208335914U
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Abstract
One kind three differs common mode integrated inductor, including the first magnetic core group, the second magnetic core group and three-phase windings, first magnetic core group and the configuration of the second magnetic core group constitute common mode magnetic circuit and differential mode magnetic circuit, first magnetic core group is ring-type, three-phase windings are at least wound on one of the first magnetic core group and the second magnetic core group above, and three-phase windings include the first winding, the second winding and the tertiary winding.
Description
Technical field
The utility model relates to inductance fields, more particularly to one kind three to differ common mode integrated inductor.
Background technique
In existing three-phase filter circuit, three-phase common mode inductance and three-phase differential mode inductance are separate inductor, there are volumes greatly,
The problem of at high cost and three-phase common mode inductance and three-phase differential mode inductance assembly difficulty.
Utility model content
The purpose of the utility model is to provide one kind, cost is relatively low, three differences common modes small in size, being easier assembly are integrated
Inductance.
In order to achieve the above objectives, the technical solution adopted in the utility model is:
One kind three differs common mode integrated inductor, including the first magnetic core group, the second magnetic core group and three-phase windings, feature exist
In the first magnetic core group and the second magnetic core group configuration composition common mode magnetic circuit and differential mode magnetic circuit, the first magnetic core group are
Ring-type, the three-phase windings be at least wound on one of the first magnetic core group and the second magnetic core group above, the three-phase around
Group includes the first winding, the second winding and the tertiary winding.
Further, the entirety of the second magnetic core group is hexagonal, the first magnetic core group and the second magnetic core group
In upper and lower stacked structure, the second magnetic core group is by the magnetic core main body of periphery and 3 magnetic of three-phase symmetrical distribution disposed within
Core convex block composition, one end of either one or two of described 3 magnetic core convex blocks connect or adjacent with the magnetic core main body of the periphery, and described 3
The other end adjacent of either one or two of a magnetic core convex block be equipped with air gap, the first magnetic core group be placed in the second magnetic core group it
On, first winding, second winding and the tertiary winding are wound on 3 magnetic core convex blocks respectively and stacked institute
It states in the first magnetic core group on 3 magnetic core convex blocks.
Further, the first magnetic core group and the second magnetic core group are generally aligned in the same plane, the first magnetic core group and
The second magnetic core group is inside and outside adjacent structure.
Further, the second magnetic core group includes a sub- magnetic core and three magnetic core blocks, three magnetic core block three-phases
Be symmetrically positioned between the first magnetic core group and the sub- magnetic core, three magnetic core blocks respectively with the first magnetic core group and
An air gap is at least formed between the sub- magnetic core.
Further, the second magnetic core group include the first sub- magnetic core, the second sub- magnetic core and the sub- magnetic core of third, described first
Sub- magnetic core, the second sub- magnetic core and the sub- magnetic core of the third are homogeneously disposed in the outside of the first magnetic core group, respectively with it is described
Two air gaps are formed between first magnetic core group.
Further, the first magnetic core group is made of first annular sub- magnetic core and the second sub- magnetic core of annular, and described first
The sub- magnetic core of annular and the sub- magnetic core of second annular are stacked up and down, and the described second annular sub- magnetic core and the second magnetic core group are located at
On same plane.
Further, the magnetic conductivity of the first annular sub- magnetic core is higher than the magnetic conductivity of the sub- magnetic core of second annular, institute
It is identical with the material of the second magnetic core group to state the second sub- magnetic core of annular.
Further, it is wound on to first winding, second winding and the tertiary winding three-phase symmetrical described
In first magnetic core group.
Further, the three-phase windings further include the 4th winding, the 5th winding and the 6th winding, the 4th winding,
5th winding and the 6th winding are uniformly wound on respectively in the second magnetic core group.
Further, the sub- magnetic core is annular or hexagon, first winding, second winding and the third
Winding three-phase is symmetrically wound in the second magnetic core group.
The beneficial effects of the utility model are the three difference common mode integrated inductors of the utility model, total in difference by material
It is multiplexed in mould magnetic circuit to improve the power density of inductance, reduces volume, and then reduce cost, optimized by magnetic structure, adjusted
Poor common mode flux path provides poor common mode noise and draws up effect.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Figure 1A is that one kind three of the utility model differs common mode integrated inductor first embodiment schematic diagram.
Figure 1B is that one kind three of the utility model differs the differential mode magnetic circuit and common mode magnetic of common mode integrated inductor first embodiment
Road schematic diagram.
Fig. 2 is that one kind three of the utility model differs common mode integrated inductor second embodiment schematic diagram.
Fig. 3 is that one kind three of the utility model differs common mode integrated inductor 3rd embodiment schematic diagram.
Fig. 4 A is that one kind three of the utility model differs common mode integrated inductor fourth embodiment schematic diagram.
Fig. 4 B is that one kind three of the utility model differs the differential mode magnetic circuit and common mode magnetic of common mode integrated inductor fourth embodiment
Road schematic diagram.
Fig. 5 A is that one kind three of the utility model differs the 5th embodiment schematic diagram of common mode integrated inductor.
Fig. 5 B is that one kind three of the utility model differs the differential mode magnetic circuit and common mode magnetic of the 5th embodiment of common mode integrated inductor
Road schematic diagram.
Fig. 6 is a kind of composition signal that one kind three of the utility model differs the first magnetic core group 11 of common mode integrated inductor
Figure.
Fig. 7 A is that one kind three of the utility model differs the top view of common mode integrated inductor sixth embodiment.
Fig. 7 B is that one kind three of the utility model differs a kind of main view of common mode integrated inductor sixth embodiment.
Fig. 7 C is that one kind three of the utility model differs another main view of common mode integrated inductor sixth embodiment.
Fig. 8 is that one kind three of the utility model of the utility model differs the 7th embodiment schematic diagram of common mode integrated inductor.
Fig. 9 is that one kind three of the utility model of the utility model differs the 8th embodiment schematic diagram of common mode integrated inductor.
Figure 10 is that one kind three of the utility model of the utility model differs the 9th embodiment schematic diagram of common mode integrated inductor.
Figure 11 is that one kind three of the utility model of the utility model differs the tenth embodiment schematic diagram of common mode integrated inductor.
Specific embodiment
Embodiment one
As shown in Figure 1A differs common mode integrated inductor, including the first magnetic core group 11, the second magnetic as the three of embodiment one
Core group 12 and three-phase windings i.e. the first winding 131, the second winding 132 and the tertiary winding 133.First magnetic core group 11 is an annular magnetic
The entirety of core, the second magnetic core group is hexagonal, and the first magnetic core group 11 and the second magnetic core group 12 are in upper and lower stacked structure, the second magnetic core
Group 12 is made of the magnetic core main body 121 of periphery and 3 magnetic core convex blocks of three-phase symmetrical distribution disposed within, 3 magnetic core convex blocks
For the first magnetic core convex block 1221 as shown in Figure 1, the second magnetic core convex block 1222 and third magnetic core convex block 1223, the first magnetic core convex block
The wherein both sides of the magnetic core main body 121 at 1221 both ends and periphery are adjacent to be respectively formed two air gaps 1441 and 1442, the second magnetic
The wherein both sides of the magnetic core main body 121 at the both ends and periphery of core convex block 1222 are adjacent to be respectively formed two air gaps 1443 and 1444,
The wherein both sides of the magnetic core main body 121 at the both ends and periphery of third magnetic core convex block 1223 are adjacent to be respectively formed two air gaps 1445
With 1446, the first magnetic core group 11 is placed on the second magnetic core group 12, and the first winding 131 is around in the first magnetic core convex block 1221 simultaneously
On the part magnetic core of stacked the first magnetic core group 11 thereon, the second winding 132 is around in 1222 He of the second magnetic core convex block simultaneously
On the part magnetic core of stacked the first magnetic core group 11 thereon, the tertiary winding 133 is around in third magnetic core convex block 1223 simultaneously and folds
On the part magnetic core for setting the first magnetic core group 11 thereon.
Figure 1B shows the differential mode magnetic circuit and common mode magnetic circuit of three difference common mode integrated inductors of embodiment one, can in conjunction with Figure 1A
Know, the first magnetic core group 11 constitutes the magnetic core main body 121 of 102,3 magnetic core convex blocks of common mode magnetic circuit and periphery and corresponding air gap is constituted
3 differential mode magnetic circuits 101A, 101B and 101C, that is, the first magnetic core convex block 1221, air gap 1441, the magnetic core main body 121 of periphery are gentle
Gap 1442 constitutes the first differential mode magnetic circuit 101A, the second magnetic core convex block 1222, air gap 1443, the magnetic core main body 121 of periphery and air gap
1444 constitute the second differential mode magnetic circuit 101B, third magnetic core convex block 1223, air gap 1445, the magnetic core main body 121 of periphery and air gap
1446 constitute third differential mode magnetic circuit 101C.
Embodiment two
Three as embodiment two shown in Fig. 2 differ common mode integrated inductor, differ altogether with Fig. 1 as the three of embodiment one
Mould integrated inductor is compared, the difference is that, in three difference common mode integrated inductors of embodiment one, 3 magnetic core convex blocks 1221,
1222 and 1223 with periphery the adjacent setting of magnetic core main body 121, each magnetic core convex block and periphery magnetic core main body 121 between formed
Two air gaps, embodiment two three difference common mode integrated inductor phases in, one end of 3 magnetic core convex blocks 2221,2222,2223 with
The magnetic core main body 121 of periphery connects setting, forms an entirety, 3 2221,2222,2223 other ends of magnetic core convex block with it is peripheral
The adjacent setting of magnetic core main body 121, each magnetic core convex block and periphery magnetic core main body 121 between formed an air gap 1442,
1444 and 1446.
Embodiment three
Three as embodiment three shown in Fig. 3 differ common mode integrated inductor, including the first magnetic core group 11, the second magnetic core group
12 and three-phase windings i.e. the first winding 131, the second winding 132 and the tertiary winding 133, the first magnetic core group 11 and the second magnetic core group 12
It is generally aligned in the same plane, the first magnetic core group 11 and the second magnetic core group 12 are inside and outside adjacent structure, the first winding 131, the second winding 132
It is wound on 133 three-phase symmetrical of the tertiary winding in the first magnetic core group 11, the second magnetic core group 12 includes a sub- magnetic core 321 and three
A magnetic core block i.e. the first magnetic core block 3221, the second magnetic core block 3222 and third magnetic core block 3223, sub- magnetic core 321 are toroidal core,
It is placed in the first magnetic core group 11 and sub- magnetic to 3223 three-phase symmetrical of first magnetic core block 3221, the second magnetic core block 3222 and third magnetic core block
Between core 321, the first magnetic core block 3221, the second magnetic core block 3222, third magnetic core block 3223 respectively with the first magnetic core group 11 and son
Air gap 3441 and air gap 3442, air gap 3443 and air gap 3444, air gap 3445 and air gap 3446 are formed between magnetic core 321.
Example IV
As three difference common mode integrated inductors of example IV, including the first magnetic core group 11, the second magnetic core shown in Fig. 4 A
Group 12 and three-phase windings i.e. the first winding 131, the second winding 132 and the tertiary winding 133, the first magnetic core group 11 and the second magnetic core group
12 are generally aligned in the same plane, and the first magnetic core group 11 and the second magnetic core group 12 are inside and outside adjacent structure, and the second magnetic core group 12 includes one
Sub- magnetic core 321 and three magnetic core blocks i.e. the first magnetic core block 3221, the second magnetic core block 3222 and third magnetic core block 3223, sub- magnetic core
321 be toroidal core, is placed in first to 3223 three-phase symmetrical of the first magnetic core block 3221, the second magnetic core block 3222 and third magnetic core block
Between magnetic core group 11 and sub- magnetic core 321, the first magnetic core block 3221, the second magnetic core block 3222, third magnetic core block 3223 are respectively with
Two air gaps are formed between one magnetic core group 11 and sub- magnetic core 321, compared with Fig. 3, difference is Fig. 4 A, implements shown in Fig. 4 A
Three difference common mode integrated inductors of example four, are wound on to 133 three-phase symmetrical of the first winding 131, the second winding 132 and the tertiary winding
On the sub- magnetic core 321 of second magnetic core group 12, rather than as three difference common mode integrated inductors of embodiment three shown in Fig. 3, the
It is wound in the first magnetic core group 11 to 133 three-phase symmetrical of one winding 131, the second winding 132 and the tertiary winding.
As three difference common mode integrated inductors of example IV shown in Fig. 4 A, the common mode magnetic circuit and differential mode magnetic circuit of formation are such as
Shown in Fig. 4 B, wherein 301A, 301B and 301C are three-phase differential mode magnetic circuit, and 302 be common mode magnetic circuit.
Embodiment five
As three difference common mode integrated inductors of embodiment five, including the first magnetic core group 11, the second magnetic core shown in Fig. 5 A
Group 12 and three-phase windings i.e. the first winding 131, the second winding 132, the tertiary winding 133, the 4th winding 531,532 and of the 5th winding
6th winding 533, the first winding 131 and the same phase of the 4th winding 531, the second winding 132 and the same phase of the 5th winding 532, third around
Group 133 and the same phase of the 6th winding 533, the first magnetic core group 11 and the second magnetic core group 12 are generally aligned in the same plane, 11 He of the first magnetic core group
Second magnetic core group 12 is inside and outside adjacent structure, and the second magnetic core group 12 includes a sub- magnetic core 321 and three magnetic core blocks i.e. the first magnetic
Pellet 3221, the second magnetic core block 3222 and third magnetic core block 3223, sub- magnetic core 321 are toroidal core, the first magnetic core block 3221, the
It is placed between the first magnetic core group 11 and sub- magnetic core 321 to 3223 three-phase symmetrical of two magnetic core blocks 3222 and third magnetic core block, the first magnetic
Pellet 3221, the second magnetic core block 3222, third magnetic core block 3223 form two between the first magnetic core group 11 and sub- magnetic core 321 respectively
A air gap, compared with Fig. 3, difference is Fig. 5 A, three difference common mode integrated inductors of embodiment five shown in Fig. 5 A, three-phase windings
It also include the 4th winding 531, the 5th winding 532 other than comprising the first winding 131, the second winding 132 and the tertiary winding 133
With the 6th winding 533, the 4th winding 531, the 5th winding 532 and 533 three-phase symmetrical of the 6th winding it is wound on the second magnetic core group
On 12 sub- magnetic core 321.
As three difference common mode integrated inductors of embodiment five shown in Fig. 5 A, the common mode magnetic circuit and differential mode magnetic circuit of formation are such as
Shown in Fig. 5 B, wherein 301A, 301B and 301C are three-phase differential mode magnetic circuit, and 302A and 302B are common mode magnetic circuit.
Alternatively, embodiment three to five three difference common mode integrated inductors, the first magnetic core group 11 as shown in Figure 6 first
The sub- magnetic core 111 of annular and the second sub- magnetic core 112 of annular are constituted, first annular sub- magnetic core 111 and the second sub- about 112 magnetic core of annular
Stacked, the sub- magnetic core 112 of the second annular and the second magnetic core group 12 are in the same plane, the magnetic conductivity of first annular sub- magnetic core 111
Higher than the magnetic conductivity of the second sub- magnetic core 112 of annular, the second sub- magnetic core 112 of annular is identical with the material of the second magnetic core group 12, in this way
Construction so that the common mode inductance inductance value with higher formed, and differential mode inductance direct current biasing performance is more preferable.
Embodiment six
Three common mode integrated inductors, including the first magnetic core group 11, the are differed as embodiment 6 shown in Fig. 7 A and Fig. 7 B
Two magnetic core groups 12 and three-phase windings i.e. the first winding 131, the second winding 132 and the tertiary winding 133, the first magnetic core group 11 and
Two magnetic core groups 12 are generally aligned in the same plane, and the first magnetic core group 11 and the second magnetic core group 12 are inside and outside adjacent structure, the first winding 131,
It is wound in the first magnetic core group 11 to 133 three-phase symmetrical of second winding 132 and the tertiary winding, the second magnetic core group 12 includes a son
Magnetic core 321 and three magnetic core blocks i.e. the first magnetic core block 7221, the second magnetic core block 7222 and third magnetic core block 7223, sub- magnetic core 321
For toroidal core, 7223 three-phase symmetrical of the first magnetic core block 7221, the second magnetic core block 7222 and third magnetic core block it is placed in the first magnetic
Between core group 11 and sub- magnetic core 321, more specifically, the first magnetic core block 7221, the second magnetic core block 7222 and third magnetic core block 7223
One end connect with sub- magnetic core 321, the first magnetic core block 7221, the second magnetic core block 7222, third magnetic core block 7223 the other end point
Air gap 7441, air gap 7442, air gap 7443 are formed not between the first magnetic core group 11.
Alternatively, three difference common mode integrated inductors of embodiment six, the first magnetic core group 11 first annular son as shown in Figure 6
Magnetic core 111 and the second sub- magnetic core 112 of annular are constituted, and first annular sub- magnetic core 111 and the second sub- about 112 magnetic core of annular are stacked,
The sub- magnetic core 112 of second annular and the second magnetic core group 12 are in the same plane, and the magnetic conductivity of first annular sub- magnetic core 111 is higher than
The magnetic conductivity of the second sub- magnetic core 112 of annular, the second sub- magnetic core 112 of annular is identical with the material of the second magnetic core group 12, and corresponding three
Differ common mode integrated inductor perspective view as seen in figure 7 c.
Embodiment seven
Three as embodiment seven shown in Fig. 8 differ common mode integrated inductor, including the first magnetic core group 11, the second magnetic core group
12 and three-phase windings i.e. the first winding 131, the second winding 132 and the tertiary winding 133, the first magnetic core group 11 and the second magnetic core group 12
It is generally aligned in the same plane, the first magnetic core group 11 and the second magnetic core group 12 are inside and outside adjacent structure, are implemented with being used as shown in Fig. 7 A
Three difference common mode integrated inductors of example six are compared, and difference is, the three integrated electricity of difference common mode shown in Fig. 8 as embodiment seven
It in sense, is wound in the second magnetic core group 12 to 133 three-phase symmetrical of the first winding 131, the second winding 132 and the tertiary winding, and schemes
Shown in 7A as embodiment six three difference common mode integrated inductors in, the first winding 131, the second winding 132 and the tertiary winding
It is wound on to 133 three-phase symmetricals in the first magnetic core group 11.
Embodiment eight
Three as embodiment eight shown in Fig. 9 differ common mode integrated inductor, including the first magnetic core group 11, the second magnetic core group
12 and three-phase windings i.e. the first winding 131, the second winding 132, the tertiary winding 133, the 4th winding 831,832 and of the 5th winding
6th winding 833, the first winding 131 and the same phase of the 4th winding 831, the second winding 132 and the same phase of the 5th winding 832, third around
Group 133 and the same phase of the 6th winding 833, the first magnetic core group 11 and the second magnetic core group 12 are generally aligned in the same plane, 11 He of the first magnetic core group
Second magnetic core group 12 is inside and outside adjacent structure, differs common mode integrated inductor phase as the three of embodiment six with shown in Fig. 7 A
Than difference is, three difference common mode integrated inductors of embodiment eight shown in Fig. 9, three-phase windings are in addition to comprising three-phase symmetrical
It is wound on outside the first winding 131 in the first magnetic core group 11, the second winding 132 and the tertiary winding 133, also includes the 4th winding
831, the 5th winding 832 and the 6th winding 833, the first winding 131 and the same phase of the 4th winding 831, the second winding 132 and the 5th
The same phase of winding 832, the tertiary winding 133 and the same phase of the 6th winding 833, the 4th winding 831, the 5th winding 832 and the 6th winding
It is wound on to 833 three-phase symmetricals in the second magnetic core group 12.
Alternatively, three difference common mode integrated inductors of embodiment seven or eight, the first magnetic core group 11 first ring as shown in Figure 6
The sub- magnetic core 111 of shape and the second sub- magnetic core 112 of annular are constituted, first annular sub- magnetic core 111 and the second sub- about 112 magnetic core of annular
Stacked, the sub- magnetic core 112 of the second annular and the second magnetic core group 12 are in the same plane, the magnetic conductivity of first annular sub- magnetic core 111
Higher than the magnetic conductivity of the second sub- magnetic core 112 of annular, the second sub- magnetic core 112 of annular is identical with the material of the second magnetic core group 12.
Embodiment nine
Three as embodiment nine shown in Fig. 10 differ common mode integrated inductor, including the first magnetic core group 11, the second magnetic core
Group 12 and three-phase windings i.e. the first winding 131, the second winding 132 and the tertiary winding 133, the first winding 131, the second winding 132
It is wound on 133 three-phase symmetrical of the tertiary winding in the first magnetic core group 11, the first magnetic core group 11 and the second magnetic core group 12 are located at together
One plane, the first magnetic core group 11 and the second magnetic core group 12 be inside and outside adjacent structure, with shown in Fig. 7 A as embodiment six
Three difference common mode integrated inductors are compared, and difference is, in the three difference common mode integrated inductors shown in Fig. 10 as embodiment nine,
The entirety of second magnetic core group 12 is hexagonal, and differs in common mode integrated inductors shown in Fig. 7 A as the three of embodiment six, the
The entirety of two magnetic core groups 12 is in a ring.
Three as embodiment nine differ common mode integrated inductor, three-phase windings i.e. the first winding 131,132 and of the second winding
The tertiary winding 133 is other than mode around the home as shown in Figure 10, alternatively, the first winding 131, the second winding 132 and third
It is wound in the second magnetic core group 12 to 133 three-phase symmetrical of winding, or, three-phase windings further include the 4th winding, the 5th winding and
Six windings (are not shown) in Figure 10, are wound on to 133 three-phase symmetrical of the first winding 131, the second winding 132 and the tertiary winding
In one magnetic core group 11, the 4th winding, the 5th winding and the 6th winding three-phase are symmetrically wound in the second magnetic core group 12, first around
Group 131 and the 4th same phase of winding, the second winding 132 and the 5th same phase of winding, the tertiary winding 133 and the 6th same phase of winding.
Alternatively, three difference common mode integrated inductors of embodiment nine, the first magnetic core group 11 as shown in Figure 6 first annular
Sub- magnetic core 111 and the second sub- magnetic core 112 of annular are constituted, and first annular sub- magnetic core 111 and the second sub- about 112 magnetic core of annular are folded
It sets, the sub- magnetic core 112 of the second annular and the second magnetic core group 12 are in the same plane, and the magnetic conductivity of first annular sub- magnetic core 111 is high
In the magnetic conductivity of the second sub- magnetic core 112 of annular, the second sub- magnetic core 112 of annular is identical with the material of the second magnetic core group 12.
Embodiment ten
As three difference common mode integrated inductors of embodiment ten, including the first magnetic core group 11, the second magnetic core shown in Figure 11
Group 12 and three-phase windings i.e. the first winding 131, the second winding 132 and the tertiary winding 133, the first winding 131, the second winding 132
It is wound on 133 three-phase symmetrical of the tertiary winding in the first magnetic core group 11, the first magnetic core group 11 and the second magnetic core group 12 are located at together
One plane, the first magnetic core group 11 and the second magnetic core group 12 are inside and outside adjacent structure, and the second magnetic core group is by the first sub- magnetic core 120A, the
Two sub- magnetic core 120B and the sub- magnetic core 120C composition of third, the first sub- magnetic core 120A, the second sub- magnetic core 120B and the sub- magnetic core of third
120C is arc, is distributed in first to the first sub- magnetic core 120A, the second sub- magnetic core 120B and the sub- magnetic core 120C three-phase symmetrical of third
Outside magnetic core group 11, respectively with the first magnetic core group 11 adjacent formation air gap 131A and 132A, 131B and 132B, 131C and 132C.
Three as embodiment ten differ common mode integrated inductor, and alternatively, three-phase windings further include the 4th winding, the 5th
Winding and the 6th winding (being not shown in Figure 11), 133 three-phase symmetrical of the first winding 131, the second winding 132 and the tertiary winding around
It is placed in the first magnetic core group 11, the 4th winding, the 5th winding and the 6th winding three-phase are symmetrically wound on the first sub- magnetic core respectively
On 120A, the second sub- magnetic core 120B and the sub- magnetic core 120C of third, the first winding 131 and the 4th same phase of winding, 132 He of the second winding
The 5th same phase of winding, the tertiary winding 133 and the 6th same phase of winding.
Three as embodiment ten differ common mode integrated inductor, alternatively, the first sub- magnetic core 120A, the second sub- magnetic core
The 120B and sub- magnetic core 120C of third is U-shaped.
Alternatively, three difference common mode integrated inductors of embodiment ten, the first magnetic core group 11 first annular son as shown in Figure 6
Magnetic core 111 and the second sub- magnetic core 112 of annular are constituted, and first annular sub- magnetic core 111 and the second sub- about 112 magnetic core of annular are stacked,
The sub- magnetic core 112 of second annular and the second magnetic core group 12 are in the same plane, and the magnetic conductivity of first annular sub- magnetic core 111 is higher than
The magnetic conductivity of the second sub- magnetic core 112 of annular, the second sub- magnetic core 112 of annular are identical with the material of the second magnetic core group 12.
Specific embodiment of the utility model described in detail above, it is to be understood that, the embodiments of the present invention
It is not limited to these embodiments, the description of these embodiments is only used for the spirit for helping to understand the utility model.It is practical at this
Under novel revealed spirit, to various change made by the utility model, should all it be included in the scope of the utility model.This
The scope of patent protection of utility model should be defined by the appended claims.
Claims (10)
1. one kind three differs common mode integrated inductor, including the first magnetic core group, the second magnetic core group and three-phase windings, which is characterized in that
The first magnetic core group and the second magnetic core group configuration constitute common mode magnetic circuit and differential mode magnetic circuit, and the first magnetic core group is ring
Shape, the three-phase windings are at least wound on one of the first magnetic core group and the second magnetic core group above, the three-phase windings
Including the first winding, the second winding and the tertiary winding.
2. difference common mode integrated inductor according to claim 1, which is characterized in that the entirety of the second magnetic core group is in six sides
Shape, the first magnetic core group and the second magnetic core group are in upper and lower stacked structure, and the second magnetic core group is by peripheral magnetic core master
3 magnetic core convex blocks composition of body and three-phase symmetrical disposed within distribution, one end of either one or two of described 3 magnetic core convex blocks and institute
The magnetic core main body for stating periphery connects or adjacent, and the other end adjacent of either one or two of described 3 magnetic core convex blocks is equipped with air gap, described
First magnetic core group is placed on the second magnetic core group, first winding, second winding and tertiary winding difference
It is wound on 3 magnetic core convex blocks and is stacked in the first magnetic core group on 3 magnetic core convex blocks.
3. difference common mode integrated inductor according to claim 1, which is characterized in that the first magnetic core group and second magnetic
Core group is generally aligned in the same plane, and the first magnetic core group and the second magnetic core group are inside and outside adjacent structure.
4. difference common mode integrated inductor according to claim 3, which is characterized in that the second magnetic core group includes a sub- magnetic
Core and three magnetic core blocks are placed between the first magnetic core group and the sub- magnetic core to three magnetic core block three-phase symmetricals, institute
It states three magnetic core blocks and at least forms an air gap between the first magnetic core group and the sub- magnetic core respectively.
5. difference common mode integrated inductor according to claim 3, which is characterized in that the second magnetic core group includes the first sub- magnetic
Core, the second sub- magnetic core and the sub- magnetic core of third, the first sub- magnetic core, the second sub- magnetic core and the sub- magnetic core of the third are uniformly set
In the outside of the first magnetic core group, two air gaps are formed between the first magnetic core group respectively.
6. difference common mode integrated inductor according to claim 1, which is characterized in that the first magnetic core group is by first annular son
Magnetic core and the second sub- magnetic core of annular are constituted, and the first annular sub- magnetic core and the sub- magnetic core of second annular are stacked up and down, described
Second annular sub- magnetic core and the second magnetic core group are in the same plane.
7. difference common mode integrated inductor according to claim 6, which is characterized in that the magnetic conductivity of the first annular sub- magnetic core
Higher than the magnetic conductivity of the sub- magnetic core of second annular, the sub- magnetic core of second annular is identical with the material of the second magnetic core group.
8. according to poor common mode integrated inductor described in any one of claim 4 to 7 claim, which is characterized in that described first
It is wound in the first magnetic core group to winding, second winding and the tertiary winding three-phase symmetrical.
9. difference common mode integrated inductor according to claim 8, which is characterized in that the three-phase windings further include the 4th around
Group, the 5th winding and the 6th winding, the 4th winding, the 5th winding and the 6th winding are uniformly wound on institute respectively
It states in the second magnetic core group.
10. difference common mode integrated inductor according to claim 4, which is characterized in that the sub- magnetic core is annular or hexagon,
It is wound in the second magnetic core group to first winding, second winding and the tertiary winding three-phase symmetrical.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2024012155A1 (en) * | 2022-07-13 | 2024-01-18 | 华为数字能源技术有限公司 | Integrated inductor, circuit board assembly and inverter |
-
2018
- 2018-05-30 CN CN201820825132.1U patent/CN208335914U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2024012155A1 (en) * | 2022-07-13 | 2024-01-18 | 华为数字能源技术有限公司 | Integrated inductor, circuit board assembly and inverter |
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Effective date of registration: 20221026 Address after: 2# workshop, Hefei Huilip Motor Co., Ltd., west of Fenghua West Road, Taohua Industrial Park, Hefei City, Anhui Province, 231200 Patentee after: Hefei Yunlu Juneng Electric Co.,Ltd. Address before: 266000 No. 97 Yanyang Road, Chengyang District, Qingdao City, Shandong Province Patentee before: QINGDAO YUNLU JUNENG ELECTRIC Co.,Ltd. |
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