CN204229999U - Dull and stereotyped magnetic core reactor - Google Patents
Dull and stereotyped magnetic core reactor Download PDFInfo
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- CN204229999U CN204229999U CN201420761770.3U CN201420761770U CN204229999U CN 204229999 U CN204229999 U CN 204229999U CN 201420761770 U CN201420761770 U CN 201420761770U CN 204229999 U CN204229999 U CN 204229999U
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Abstract
The utility model relates to a kind of dull and stereotyped magnetic core reactor, comprise yoke magnetic core, lower yoke magnetic core and multiple center pillar magnetic core, on this, yoke magnetic core and this lower yoke magnetic core are coiled into the rear extrusion modling of annular by banded wound core of magnetic, on this, yoke magnetic core and this lower yoke magnetic core are track type, in the plurality of center pillar magnetic core, two center pillar magnetic cores corresponding to yoke magnetic core on this and these lower yoke magnetic core two ends are cylindrical or elliptical cylinder-shape.
Description
Technical field
The utility model relates to a kind of reactor, especially relates to a kind of dull and stereotyped magnetic core reactor.
Background technology
Silicon steel sheet, the amorphous band of ultrathin, that nano amorphous band has saturation flux density is high, and exchanges the less feature of magnetic hysteresis loss ratio, is suitable as the core material of the yoke up and down of high-frequency high-power transformer and reactor.Be illustrated in figure 1 three-phase reactor structure 10, comprise yoke magnetic core 11, lower yoke magnetic core 12, multiple center pillar magnetic core 13 and multiple coil 14.In order to be conducive to the tight control of reactor size and improve the space availability ratio of magnetic cell, the upper yoke magnetic core 11 of uncoiled and lower yoke magnetic core 12 usually adopt the version of rectangular parallelepiped core.When manufacturing these rectangular parallelepiped core, for silicon steel band, the general way adopting punching shaping, strikes out the silicon steel sheet of given shape, then these sheet magnetic cores is carried out lamination arrangement, make it to form rectangular bar magnetic core and use by silicon steel band; For amorphous band and nano amorphous band, generally band is first carried out cutting, and then it is bonding to carry out lamination from level to level, make it to form block magnetic cores, or thin ribbon shaped magnetic core is first being wound into toroidal core, then toroidal core is flattened bonding, excise arc-shaped part subsequently, be processed into rectangular parallelepiped core.
Along with the lifting of the operating frequency of power-supply device, in order to reduce the high frequency eddy current losses of banded magnetic core, the thickness manufacturing the band that magnetic core adopts thins down, if it is shaping still to adopt punching to process lamination again, magnetic core makes very time-consuming.
If banded magnetic core is adopted winding, flattens shaping, cut again afterwards, remove the words of two arc-shaped magnetic core, the cutting of magnetic core, not only cause long processing time, and also form waste material after cutting, which increase the magnetic core cost of transformer and reactor product.Meanwhile, after the cutting of two, define the rectangular magnetic core of sheet, can only be bonded together by bonding mode between these sheet magnetic cores, consequently the anti-buckling strength of magnetic core block is low, is easy to delamination splitting, have impact on the long-term reliability of reactor.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of dull and stereotyped magnetic core reactor, is applicable to efficiently, at low cost producing.
The utility model be solve the problems of the technologies described above the technical scheme adopted be propose a kind of dull and stereotyped magnetic core reactor, comprise yoke magnetic core, lower yoke magnetic core and multiple center pillar magnetic core, on this, yoke magnetic core and this lower yoke magnetic core are coiled into the rear extrusion modling of annular by banded wound core of magnetic, on this, yoke magnetic core and this lower yoke magnetic core are track type, in the plurality of center pillar magnetic core, two center pillar magnetic cores corresponding to yoke magnetic core on this and these lower yoke magnetic core two ends are cylindrical or elliptical cylinder-shape.
In an embodiment of the present utility model, in the plurality of center pillar magnetic core, the center pillar magnetic core corresponding to yoke magnetic core on this and these lower yoke magnetic core central authorities is cylindrical or elliptical cylinder-shape.
In an embodiment of the present utility model, in the plurality of center pillar magnetic core, the center pillar magnetic core corresponding to yoke magnetic core on this and these lower yoke magnetic core central authorities is cuboid.
In an embodiment of the present utility model, the quantity of the plurality of center pillar magnetic core is two, corresponding to two ends of yoke magnetic core on this with this lower yoke magnetic core, and equal coiling on two center pillar magnetic cores.
In an embodiment of the present utility model, the quantity of the plurality of center pillar magnetic core is three, and correspond to yoke magnetic core and coiling on two center pillar magnetic cores of this lower yoke magnetic core end on this, corresponding to the center pillar magnetic core not coiling of yoke magnetic core on this with these lower yoke magnetic core central authorities.
In an embodiment of the present utility model, the quantity of the plurality of center pillar magnetic core is greater than three, and on two the center pillar magnetic cores corresponding to yoke magnetic core and this lower yoke magnetic core end on this and correspond to the equal coiling of center pillar magnetic core of yoke magnetic core and these lower yoke magnetic core central authorities on this, all the other center pillar magnetic cores not coiling.
In an embodiment of the present utility model, the material of this banded magnetic core is silicon steel, and the thickness of this banded magnetic core is less than 0.15mm.
In an embodiment of the present utility model, the material of this banded magnetic core is Fe-based amorphous soft magnetism, and the thickness of this banded magnetic core is less than 0.1mm.
In an embodiment of the present utility model, the material of this banded magnetic core is that soft magnetism is nano amorphous, and the thickness of this banded magnetic core is less than 0.1mm.
The reactor that the utility model technique scheme proposes, it is shaping that upper and lower yoke magnetic core can adopt toroidal cores winding to flatten, and without the need to being cut off.Like this, the time-consuming phenomenon that magnetic core can not be caused on the one hand to process, also can not cause magnetic core waste material simultaneously, reduce the manufacturing cost of magnetic core; On the other hand, because wound core is not cut off, magnetic core block coplanar flat, and maintain good mechanical distortion intensity, be conducive to the long-term reliability of reactor.
Accompanying drawing explanation
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent, below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, wherein:
Fig. 1 is known three-phase reactor structure chart.
Fig. 2 is the three-phase reactor structure chart of the utility model first embodiment.
Fig. 3 is the manufacturing process of the dull and stereotyped magnetic core of the utility model one embodiment.
Fig. 4 is the three-phase reactor structure chart of the utility model second embodiment.
Fig. 5 is the three-phase reactor structure chart of the utility model the 3rd embodiment.
Fig. 6 is the two-phase reactor figure of the utility model the 4th embodiment.
Fig. 7 is the two-phase reactor figure of the utility model the 5th embodiment.
Fig. 8 is the three-phase reactor structure chart of the utility model the 6th embodiment.
Embodiment
Fig. 2 is the three-phase reactor structure chart of the utility model first embodiment.Shown in figure 2, the dull and stereotyped magnetic core reactor 20 of the present embodiment comprises yoke magnetic core 21, lower yoke magnetic core 22,3 center pillar magnetic cores 23 and 3 coils 24.Upper yoke magnetic core 21 and lower yoke magnetic core 22 are according to common mode between the upper and lower every setting, and 3 center pillar magnetic cores 23 are connected between yoke magnetic core 21 and lower yoke magnetic core 22, composition closed magnetic circuit.
In the present embodiment, upper yoke magnetic core 21 and lower yoke magnetic core 22 are designed to track type, are namely made up of the rectangle of centre and the circular arc at two ends.Being appreciated that the shape of yoke magnetic core 21 and lower yoke magnetic core 22 can change slightly, such as, is not the track type of standard.Fig. 3 is the manufacturing process of the dull and stereotyped magnetic core of the utility model one embodiment.Shown in figure 3, upper yoke magnetic core 21 and lower yoke magnetic core 22 can be around forming by banded wound core of magnetic.Banded magnetic core carries out the cutting of band according to the thickness of required magnetic core block, the ultrathin magnetic core band cutting width carries out annulus magnetic at a high speed and turns to type, then by loop configuration 30 good for coiling from circumference extrusion modling, make it the long pie block magnetic cores finished product forming two terminal circle arcuation.Preferably, further shaping magnetic core can be carried out that impregnation is bonding makes it shape.
Corresponding to the shape of upper yoke magnetic core 21 and lower yoke magnetic core 22, in 3 center pillar magnetic cores 23, two center pillar magnetic core 23a and 23b corresponding to upper yoke magnetic core 21 and lower yoke magnetic core 22 two ends can be cylindrical or elliptical cylinder-shape.In addition, the center pillar magnetic core 23c corresponding to upper yoke magnetic core 21 and lower yoke magnetic core 22 central authorities also can be cylindrical or elliptical cylinder-shape.Equal coiling 24 on 3 center pillar magnetic cores 23.Because the upper and lower sides of cylindric center pillar magnetic core 23a, 23b is connected with the circular arc type place of upper and lower yoke magnetic core 21,22 respectively, the magnetic flux coming from center pillar magnetic core 23a, 23b directly can flow through the side of upper and lower yoke magnetic core 21,22.Even if therefore adopt above-mentioned center pillar magnetic core 23a, 23b, do not carry out magnetic core cutting, the magnetic line of force also can not be allowed to penetrate strip face, the magnetic line of force can only circulate along strip direction.That is, when the magnetic line of force flows through upper and lower yoke magnetic core 21,22, vortex phenomenon can not be formed in magnetic core strip.
The reactor of the present embodiment, it is shaping that upper and lower yoke magnetic core 21,22 can adopt toroidal cores winding to flatten, and without the need to being cut off.Like this, the time-consuming phenomenon that magnetic core can not be caused on the one hand to process, also can not cause magnetic core waste material simultaneously, reduce the manufacturing cost of magnetic core; On the other hand, because wound core is not cut off, magnetic core block coplanar flat, and maintain good mechanical distortion intensity, be conducive to the long-term reliability of reactor.
Fig. 4 is the three-phase reactor structure chart of the utility model second embodiment.Shown in figure 4, the reactor 40 of the present embodiment comprises yoke magnetic core 41, lower yoke magnetic core 42,3 center pillar magnetic cores 43 and 3 coils 44.Upper yoke magnetic core 41 and lower yoke magnetic core 42 are according to common mode between the upper and lower every setting, and 3 center pillar magnetic cores 43 are connected between yoke magnetic core 41 and lower yoke magnetic core 42, composition closed magnetic circuit.Shown in the present embodiment and Fig. 1, the difference of the first embodiment is, each center pillar magnetic core 43 is relative to the position of upper yoke magnetic core 41 and lower yoke magnetic core 42 slightly toward interior, and the side of each center pillar magnetic core 43 is not concordant with the side of lower yoke magnetic core 42 with upper yoke magnetic core 41.
Fig. 2 and the reactor that Figure 4 shows that 3 center pillar magnetic cores and 3 windings (i.e. three-phase three-column), but reactor of the present utility model is not as limit, exemplifies different embodiments more below.
Fig. 5 is the three-phase reactor structure chart of the utility model the 3rd embodiment.Shown in figure 5, the reactor 50 of the present embodiment comprises yoke magnetic core 51, lower yoke magnetic core 52,3 center pillar magnetic cores 53 and 3 coils 54.Upper yoke magnetic core 51 and lower yoke magnetic core 52 are according to common mode between the upper and lower every setting, and 3 center pillar magnetic cores 53 are connected between yoke magnetic core 51 and lower yoke magnetic core 52, composition closed magnetic circuit.Shown in the present embodiment and Fig. 1, the difference of the first embodiment is, the center pillar magnetic core 53c corresponding to upper yoke magnetic core 51 and lower yoke magnetic core 52 central authorities is cuboid and non-cylinder or Elliptic Cylinder.
Fig. 6 is the two-phase reactor figure of the utility model the 4th embodiment.Shown in figure 5, the reactor 60 of the present embodiment comprises yoke magnetic core 61, lower yoke magnetic core 62,2 center pillar magnetic cores 63 and 2 coils 64.Upper yoke magnetic core 61 and lower yoke magnetic core 62 are according to common mode between the upper and lower every setting, and 2 center pillar magnetic cores 63 are connected between yoke magnetic core 51 and lower yoke magnetic core 52, composition closed magnetic circuit.Shown in the present embodiment and Fig. 1, the difference of the first embodiment is, eliminates the center pillar magnetic core corresponding to upper yoke magnetic core 61 and lower yoke magnetic core 62 central authorities, thus becomes the reactor of 2 center pillar magnetic cores and 2 windings (2 phase 2 post).
Fig. 7 is the two-phase reactor figure of the utility model the 5th embodiment.Shown in figure 7, the reactor 70 of the present embodiment comprises yoke magnetic core 71, lower yoke magnetic core 72,3 center pillar magnetic cores 73 and 2 coils 74.Upper yoke magnetic core 71 and lower yoke magnetic core 72 are according to common mode between the upper and lower every setting, and 3 center pillar magnetic cores 73 are connected between yoke magnetic core 71 and lower yoke magnetic core 72, composition closed magnetic circuit.Shown in the present embodiment and Fig. 5, the difference of the 3rd embodiment is, the center pillar magnetic core 73c corresponding to upper yoke magnetic core 71 and lower yoke magnetic core 72 central authorities does not have coiling, thus becomes the reactor of 3 center pillar magnetic cores and 2 windings (2 phase 3 post).
Fig. 8 is the two-phase reactor figure of the utility model the 6th embodiment.Shown in figure 8, the reactor 80 of the present embodiment comprises yoke magnetic core 81, lower yoke magnetic core 82,5 center pillar magnetic cores 83 and 3 coils 84.Upper yoke magnetic core 81 and lower yoke magnetic core 82 are according to common mode between the upper and lower every setting, and 5 center pillar magnetic cores 83 are connected between yoke magnetic core 81 and lower yoke magnetic core 82, composition closed magnetic circuit.Shown in the present embodiment and Fig. 1, the difference of the first embodiment is, center pillar magnetic core 83d is added between center pillar magnetic core 83a and 83c, center pillar magnetic core 83e is added between center pillar magnetic core 83c and 83b, center pillar magnetic core 83d and 83e does not have coiling, thus becomes the reactor of 5 center pillar magnetic cores and 3 windings (3 phase 5 post).
In each embodiment of the present utility model, the material of the banded magnetic core that upper yoke magnetic core and lower yoke magnetic core use can be silicon steel, Fe-based amorphous soft magnetic material or the nano amorphous material of soft magnetism.If use silicon steel material, the thickness of banded magnetic core is preferably less than 0.15mm.If use Fe-based amorphous soft magnetic material, the thickness of banded magnetic core is preferably less than 0.1mm.If use the nano amorphous material of soft magnetism, the thickness of banded magnetic core is preferably less than 0.1mm.
In each embodiment of the present utility model, according to the difference of the connected mode of winding, combined by the serial or parallel connection of winding, reactor can be single-phase single reactor on electrical structure, also can be 2 single-phase independent winding manifold type reactors, also can form multiphase coupled formula reactor.
Although the utility model describes with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is only used to the utility model is described, change or the replacement of various equivalence also can be made when not departing from the utility model spirit, therefore, as long as all will drop in the scope of claims of the application the change of above-described embodiment, modification in spirit of the present utility model.
Claims (9)
1. a dull and stereotyped magnetic core reactor, comprise yoke magnetic core, lower yoke magnetic core and multiple center pillar magnetic core, it is characterized in that, on this, yoke magnetic core and this lower yoke magnetic core are coiled into the rear extrusion modling of annular by banded wound core of magnetic, on this, yoke magnetic core and this lower yoke magnetic core are track type, in the plurality of center pillar magnetic core, two center pillar magnetic cores corresponding to yoke magnetic core on this and these lower yoke magnetic core two ends are cylindrical or elliptical cylinder-shape.
2. dull and stereotyped magnetic core reactor as claimed in claim 1, is characterized in that, in the plurality of center pillar magnetic core, the center pillar magnetic core corresponding to yoke magnetic core on this and these lower yoke magnetic core central authorities is cylindrical or elliptical cylinder-shape.
3. dull and stereotyped magnetic core reactor as claimed in claim 1, is characterized in that, in the plurality of center pillar magnetic core, the center pillar magnetic core corresponding to yoke magnetic core on this and these lower yoke magnetic core central authorities is cuboid.
4. dull and stereotyped magnetic core reactor as claimed in claim 1, is characterized in that, the quantity of the plurality of center pillar magnetic core is two, corresponding to two ends of yoke magnetic core on this with this lower yoke magnetic core, and equal coiling on two center pillar magnetic cores.
5. dull and stereotyped magnetic core reactor as claimed in claim 1, it is characterized in that, the quantity of the plurality of center pillar magnetic core is three, and correspond to yoke magnetic core and coiling on two center pillar magnetic cores of this lower yoke magnetic core end on this, corresponding to the center pillar magnetic core not coiling of yoke magnetic core on this with these lower yoke magnetic core central authorities.
6. dull and stereotyped magnetic core reactor as claimed in claim 1, it is characterized in that, the quantity of the plurality of center pillar magnetic core is greater than three, and on two the center pillar magnetic cores corresponding to yoke magnetic core and this lower yoke magnetic core end on this and correspond to the equal coiling of center pillar magnetic core of yoke magnetic core and these lower yoke magnetic core central authorities on this, all the other center pillar magnetic cores not coiling.
7. dull and stereotyped magnetic core reactor as claimed in claim 1, is characterized in that, the material of this banded magnetic core is silicon steel, and the thickness of this banded magnetic core is less than 0.15mm.
8. dull and stereotyped magnetic core reactor as claimed in claim 1, is characterized in that, the material of this banded magnetic core is Fe-based amorphous soft magnetic material, and the thickness of this banded magnetic core is less than 0.1mm.
9. dull and stereotyped magnetic core reactor as claimed in claim 1, is characterized in that, the material of this banded magnetic core is the nano amorphous material of soft magnetism, and the thickness of this banded magnetic core is less than 0.1mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420761770.3U CN204229999U (en) | 2014-12-05 | 2014-12-05 | Dull and stereotyped magnetic core reactor |
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| CN201420761770.3U CN204229999U (en) | 2014-12-05 | 2014-12-05 | Dull and stereotyped magnetic core reactor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409488A (en) * | 2016-05-12 | 2017-02-15 | 延安璟达电子科技有限公司 | Method for manufacturing power choke coil by using amorphous microcrystalline material |
| CN106920648A (en) * | 2015-12-28 | 2017-07-04 | 杨玉岗 | A kind of multi-phase coupling inductor |
| CN116453842A (en) * | 2023-04-27 | 2023-07-18 | 安徽英大科特磁电科技有限公司 | Transformer manufacturing method |
-
2014
- 2014-12-05 CN CN201420761770.3U patent/CN204229999U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106920648A (en) * | 2015-12-28 | 2017-07-04 | 杨玉岗 | A kind of multi-phase coupling inductor |
| CN106409488A (en) * | 2016-05-12 | 2017-02-15 | 延安璟达电子科技有限公司 | Method for manufacturing power choke coil by using amorphous microcrystalline material |
| CN116453842A (en) * | 2023-04-27 | 2023-07-18 | 安徽英大科特磁电科技有限公司 | Transformer manufacturing method |
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