CN206312712U - A kind of stem is approximate circle amorphous ribbon core - Google Patents
A kind of stem is approximate circle amorphous ribbon core Download PDFInfo
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- CN206312712U CN206312712U CN201720031851.1U CN201720031851U CN206312712U CN 206312712 U CN206312712 U CN 206312712U CN 201720031851 U CN201720031851 U CN 201720031851U CN 206312712 U CN206312712 U CN 206312712U
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- iron core
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- amorphous ribbon
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Abstract
It is approximate circle amorphous ribbon core that the utility model provides a kind of stem, the iron core is using two loop configuration of triangle amorphous ribbon coiling, a triangle amorphous ribbon is wound on core since smallest end first, then another is continued since maximum end to be wound on core, it is semicircular structure to form a section, and semicircle finally is adjusted into the approximate circle iron core of cross sectional shape using special frock.The utility model obtains the nanocrystalline rectangle iron core that a kind of stem section of iron core is approximately circular, and the magnetic flux that whole cross section is more beneficial for using subcircular section is uniformly distributed, it is possible to achieve the automatic coiling on stem in the case where iron core is not cut.
Description
Technical field
The utility model is related to core technology field, and more particularly to a kind of stem is approximate circle amorphous ribbon core.
Background technology
Iron-base nanometer crystal alloy is by based on ferro element, adding the alloy that a small amount of Nb, Cu, Si, B element are constituted through fast
A kind of amorphous material that fast solidifying process is formed, this amorphous material can after heat treatment obtain a diameter of 10nm-
The crystallite of 20nm, Dispersed precipitate is referred to as crystallite, nanocrystalline material or nanocrystalline material on amorphous matrix.It is nanocrystalline
Material has excellent comprehensive magnetic energy：Saturation magnetic strength (1.2T) high, high initial magnetoconductivity (8 × 104), low Hc (0.32A/m),
High-frequency loss under magnetic strength high is low (P0.5T/20kHz=30W/kg), and resistivity is 80 μ Ω/cm, than permalloy (50-60 μ
Ω/cm) it is high, processed through vertical or horizontal magnetic field, can obtain Br high (0.9) or low Br values (1000Gs).It is comprehensive in the market
Close the best material of performance；It is applicable frequency range：50Hz-100kHz, Best Frequency Range：20kHz-50kHz.It is widely used in
High power switching power supply, inverter, magnetic amplifier, high frequency transformer, high-frequency converter, high frequency choke coil iron core, electric current are mutual
Sensor iron core, earth leakage circuit-breaker, common mode inductance iron core.
Iron core processing is always carried out in the form of strip based on nanocrystalline material, so iron core belongs to ribbon-wound core, tape
The limitation of material width can only make the iron core of stem rectangular cross-section.Recently, nanocrystalline material is on high-frequency high-voltage dust removing power supply
Application obtained exploitation energetically and promoted, the introducing of nanocrystalline material cause high-frequency and high-voltage power supply broken away from bulky,
The undesirable disadvantage of dust removing effects, power consumption efficiency is also greatly improved, and increasing businessman is goed deep into all with application
Start using this new material power supply.But this transformer operating voltage volts up to ten thousand easily, therefore the winding of transformer is general
Thousands of circles will be reached, the making of winding was once turning into the artificial operation of most time-consuming consumption.
Some number of turns thousands of devices up to a hundred easily, iron core stem can only be cut open the dress for being beneficial to prefabricated coil
Match somebody with somebody, so as to cause device, for example magnetic conduction ability declines, the heating of stem junction is serious, drastically elevated phenomenon is lost, and is limited to cut
The uncertainty of technique is cut, the uniformity of product quality is difficult to ensure.
In addition, if keeping the magnetic circuit of iron core to close completely, then need to be realized in iron by complicated process meanses
Coiling is up to a hundred thousands of on the rectangle stem of core or even winding of the number of turn up to ten thousand, time-consuming, can't ensure the uniformity of product
With stability.
In sum, existing rectangle iron core has the following disadvantages：
A) nanocrystalline iron core belongs to ribbon-wound core, and being limited by strip width can only make the iron of stem rectangular cross-section
Core；
B) in coiling winding, there is space in winding, it is impossible to fit completely, cause rectangular core column section with stem surface
Often there is uneven and fringe magnetic leakage the phenomenon of magnetic circuit in iron core；
C) iron core of stem rectangular cross-section is higher to winding making requirement, and the winding for easily causing corner is damaged, and is used
Amount of copper is high, and volume is larger；
D) the high-frequency high-voltage dust removing transformer iron core closed completely for magnetic circuit, coiling is difficult, time-consuming, transformer one
Cause property is poor.
Utility model content
Technical problem to be solved in the utility model is：In order to overcome deficiency of the prior art, the utility model is carried
It is approximate circle amorphous ribbon core for a kind of stem.
The utility model solves its technical problem technical scheme to be taken：A kind of stem is approximate circle amorphous
Ribbon core, the iron core is the loop configuration using two groups of triangle amorphous ribbons or trapezoidal amorphous ribbon coiling, and the iron
The cross sectional shape that the stem of core is intercepted and captured by the plane of iron core axis is approximate circle.
Preferably, the triangle amorphous ribbon is right angled triangle, and one length of right-angle side of the right angled triangle
The diameter of circle, or the triangle amorphous ribbon are approximately equal to for isosceles triangle or isosceles trapezoid, and the isoceles triangle
The length on shape base is approximately equal to the diameter of circle；The trapezoidal amorphous ribbon is right-angled trapezium or isosceles trapezoid, and the right angle
The length of the bottom of trapezoidal and isosceles trapezoid is approximately equal to the diameter of circle.
A kind of stem is the frock of approximate circle amorphous ribbon core, is approximate circle amorphous ribbon iron for above-mentioned stem
The shaping of core, including to multiple special molding platforms, the workbench upper end is provided with semi-circular recesses, the groove radius with it is described
Iron core stem radius is equal.
A kind of stem is the preparation method of approximate circle amorphous ribbon core, is comprised the following steps：
Step 1：The parameters such as core section product, the length of magnetic path, the window area designed according to product requirement calculate stem
Radius R, the iron core weight of nearly circular section, and calculate winding mold core diameter D0For the core for determining to use；
Step 2：By calculate radius R selection triangle or trapezoidal amorphous band Breadth Maximum D=2R, set iron core by
N-layer triangle or trapezoidal amorphous band wind and form simultaneously, according to the tool such as R, D, n and bond material thickness, density, lamination coefficient
Body parameter calculates the triangle of needs or the length L of trapezoidal amorphous band；
Step 3：First by n-layer triangle or trapezoidal amorphous band by narrow head on ready core, volume
Around to after head-tail wide, then in the same way n-layer triangle or trapezoidal amorphous band continued to be wound to by head wide narrow
Head-tail, the core section of winding is in small hill shape；During coiling, a line of triangle or trapezoidal amorphous band is abutted against all the time
On the base plate of core.
Step 4：The iron core of winding is removed, workbench is placed in, winding core is removed, the core rod of regulation shape is put into,
By iron core shaping into being projected as the ring-type iron core of rectangle, and lock external splint；The band that core rod is used to be wound into round roll is carried out
Shaping, the shape of core rod can be put into rectangle core rod, fan-shaped core rod, shape of a hoof core rod or just according to the shape need of specific product
Polygon core rod etc.；
Step 5：Iron core with core rod and external splint is made annealing treatment；
Step 6：External splint is removed, the iron core with core rod is put into special molding platform, obtained after arrangement with nearly round core
The iron core of column section；
Step 7：Nanocrystalline special-purpose nanometer level wink dry solidification glue is brushed on surface to be solidified, after the completion of solidification, that is, complete
Iron core is processed.
Due to the very thin thickness of amorphous band, general thickness is less than 0.025mm, therefore, in order to improve the efficiency of winding, with
And the length of reduction triangle or trapezoidal amorphous band, during winding by the way of Multi-layer synchronous winding simultaneously, it is preferred that described
Value n=1~50 of the amorphous band number of plies,.
Further, in order to reduce the waste of raw material, and readily available triangle or trapezoidal amorphous band, the triangle
Shape or trapezoidal amorphous band use a base to be formed for the parallelogram amorphous band of D=2R diagonally cuts.Select
Parallelogram bottom side length D be equal to stem diameter.
Preferably, the parallelogram amorphous band is rectangle amorphous band, and the width of rectangle amorphous band is D=
2R。
Further, in order to obtain triangle amorphous band by the way of cutting, step is also included between step 2 and step 3
Rapid 3-1：One initial cutting width d, such as d=1mm are set, rectangle amorphous band angle of chamfer is calculated according to arctan function
Degree ∠ α, by ready width for the rectangle amorphous band of D is placed on nanocrystalline special beveler, setting shearing inclination is ∠ α
Cut, while obtaining the band chamfer by the narrow one group of band for broadening and narrowing from the width, winding of certain angle change
Material is standby into oblique material volume, and oblique material volume includes the oblique material volume including head wide oblique material volume and head wide outside.Due to winding when be first from
Narrow head is rolled onto head wide, and then leniently head is rolled onto narrow head again, and the quantity of two kinds of oblique material volumes of use is identical, therefore, will chamfer
When good band is rolled into oblique material volume, the quantity of two kinds of oblique material volumes is also identical.When initial cutting width d is 0, cutting is obtained
Be triangle amorphous band, when d not be 0 when, cutting obtain be trapezoidal amorphous band.
During winding, first select narrow head n volumes of oblique material volume outside, by narrow head simultaneously on ready core, while
Head-tail wide is wound to, then winds head wide n volumes of oblique material volume outside in the same way.
Specifically, the annealing in step 5 is specifically included is put into dielectric heating oven by the iron core with core rod and clamping plate
Uniform heating, is heated up with 10 DEG C per minute of speed, furnace temperature is controlled at 400 DEG C~600 DEG C, again with 20 after being kept for three hours
DEG C speed per minute is cooled to 100 DEG C, the iron core that taking-up has been heat-treated.
Specifically, the dry solidification glue of wink described in step 7 is made up of A+B double-components, and by chemical modification, can be at room temperature
With very strong penetrating power, first brushing component A, B component is pressurized tank spraying, and i.e. solidification is completed after the completion of spraying, by iron core
Stand up, to simultaneously carrying out curing process in addition.
The beneficial effects of the utility model are：A kind of stem that the utility model is provided is approximate circle amorphous ribbon iron
Core, obtains the nanocrystalline rectangle iron core that a kind of stem section of iron core is approximately circular, is more beneficial for using subcircular section whole
The magnetic flux in individual section is uniformly distributed, it is possible to achieve in the case where iron core the is not cut automatic coiling on stem.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of iron core in the prior art；
Fig. 2 is the structural representation of the utility model most preferred embodiment；
Fig. 3 is the cross-sectional view of A-A in Fig. 2；
Fig. 4 is the structural representation of iron core after coiling winding；
Fig. 5 is the structural representation of workbench；
Fig. 6 is the structural representation of workbench；
Fig. 7 is the Making programme figure of the approximate circle iron core of stem；
Fig. 8 is the structural representation of amorphous ribbon.
In figure：1st, stem, 2, winding, 3, gap, 4, core, 5, base plate, 6, workbench, 7, groove.
Specific embodiment
The utility model is described in detail presently in connection with accompanying drawing.This figure is simplified schematic diagram, only in a schematic way
Basic structure of the present utility model is illustrated, therefore it only shows the composition relevant with the utility model.
As shown in figure 1, the rectangular cross-section of stem 1 of iron core in the prior art, winding 2 is wound on when on stem 1, due to square
There are corner angle in shape structure, on the one hand, there is gap 3 between winding 2 and stem 1, it is impossible to fit completely, copper consumption is high, and volume
Larger, on the other hand, the winding 2 that corner angle are easily caused corner is damaged.
As in Figure 2-4, a kind of stem of the present utility model is approximate circle amorphous ribbon core, and the iron core is use
Two groups of triangles or the loop configuration of trapezoidal amorphous ribbon coiling, and the iron core stem 1 by by the flat of iron core axis
The cross sectional shape that face is intercepted and captured is approximate circle, because its profile is approximate circle, when winding 2 is wound on stem 1, and winding 2
Gap 3 is there's almost no between stem 1, it is close to fit completely.
As seen in figs. 5-6, a kind of stem is the frock of approximate circle amorphous ribbon core, is approximate for above-mentioned stem 1
The shaping of circular amorphous ribbon core, including to multiple special molding platforms 6, the upper end of the workbench 6 is provided with semi-circular recesses 7,
The radius of the groove 7 is equal with the radius of iron core stem 1.Forming frock in the utility model can also be and core configuration
One loop configuration of entirety of matching, or be spliced to form using multiple straight workbenches 6 and multiple roll forming platforms 6.
As shown in fig. 7, a kind of stem is the preparation method of approximate circle amorphous ribbon core, below making transformer
Making step is illustrated as a example by rectangle iron core, following steps are specifically included：
Step 1：The parameters such as core section product, the length of magnetic path, window area according to transformer requirement design calculate core
Radius R, the iron core weight of the nearly circular section of post 1, and calculate winding mold core diameter D0For the core 4 for determining to use；
Step 2：By calculate radius R selection triangle or trapezoidal amorphous band Breadth Maximum D=2R, set iron core by
N-layer triangle or trapezoidal amorphous band wind and form simultaneously, value n=1~50 of the amorphous band number of plies, according to R, D, n
And the design parameter such as bond material thickness, density, lamination coefficient calculates the triangle of needs or the length of trapezoidal amorphous band
L；May thereby determine that the raw material quantity for making triangle or trapezoidal amorphous band.
Step 3：Material for obtaining triangle or trapezoidal amorphous band be able to can also be used for rectangle amorphous band
Common parallelogram amorphous band, such as Fig. 8 (a) -8 (c) selects rectangle amorphous band in the present embodiment, what cutting was obtained is
Right-angled trapezium amorphous band.Concretely comprise the following steps：One initial cutting width d, such as d=1mm are set, according to arctan function meter
Rectangle amorphous band mis-cut angle ∠ α are calculated, by ready width for the rectangle amorphous band of D is placed in nanocrystalline special beveling
On machine, set shearing inclination be ∠ α cut, while obtain certain angle change by it is narrow broaden and narrow from the width one
Group band, the band that chamfer of winding is standby into oblique material volume, and oblique material volume includes oblique including width head oblique material volume outside and width head
Material volume.
Step 4：Narrow head n volumes of oblique material volume outside is first selected, by narrow head while on ready core 4,
After being wound to head-tail wide, the cross section structure as shown in Fig. 7 (a), then the oblique material volume n by head wide outside in the same way are formed
Volume, continues to be wound to narrow head-tail by head wide, and during coiling, a line of trapezoidal amorphous band abuts against core 4 all the time
On base plate 5, the core section of winding is in small hill shape, shown in such as Fig. 7 (b)；
Step 5：As shown in Fig. 7 (c), the iron core of winding is removed, be placed in workbench, remove winding core 4, be put into rule
Shape the core rod of shape, by iron core shaping into being projected as the ring-type iron core of rectangle, and locks external splint；Core rod is used to that circle will to be wound into
The band of volume is molded, and the shape of core rod can be put into rectangle core rod, fan-shaped core rod, horse according to the shape need of specific product
Ungulate core rod or regular polygon core rod etc.；
Step 6：Nanocrystalline rectangle iron core with core rod and external splint is made annealing treatment, is specifically included with mould
The iron core of core and clamping plate is put into dielectric heating oven and uniformly heats, and is heated up with 10 DEG C per minute of speed, and control furnace temperature is 400
DEG C~600 DEG C, it is cooled to 100 DEG C, the iron core that taking-up has been heat-treated with 20 DEG C of speed per minute again after being kept for three hours.
Step 7：External splint is removed, the iron core with core rod is put into special molding frock shown in such as Fig. 7 (d) -7 (e), it is whole
The iron core with the nearly section of round core post 1 is obtained after reason；The frock includes four workbenches 6, during shaping, every of rectangle iron core
Side lower section place a workbench 6, the middle part of stem 1 is placed in groove 7, then to apply above stem 1 to
Under pressure, the bottom surface and groove 7 for making stem 1 fitted, and obtains the approximate circle stem 1 of cross sectional shape, and arrow is represented in figure
The direction that pressure applies.
Step 8：Nanocrystalline special-purpose nanometer level wink dry solidification glue is brushed on surface to be solidified, the wink, dry solidification glue was by A+
B two-component is constituted, and by chemical modification, can at room temperature have very strong penetrating power, first brushing component A, and B component is pressure
Power tank is sprayed, and i.e. solidification is completed after the completion of spraying, iron core is stood up, to simultaneously carrying out curing process in addition, after the completion of solidification, i.e.,
Complete iron core processing.
Amorphous ribbon is also referred to as amorphous material, by nanocrystalline (ultracrystallite) band can be formed after working process,
It can be still amorphous band.Therefore iron core of the present utility model and preparation method are applied to nanocrystalline (ultracrystallite) band, can
For amorphous band.
With above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, related work
Personnel can carry out various changes and amendments in the range of without departing from the utility model completely.This utility model
Technical scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (2)
1. a kind of stem is approximate circle amorphous ribbon core, it is characterised in that：The iron core is using two groups of triangle amorphous
Band or the loop configuration of trapezoidal amorphous ribbon coiling, and the stem (1) of the iron core cut by the plane of iron core axis
The cross sectional shape of acquisition is approximate circle.
2. stem as claimed in claim 1 is approximate circle amorphous ribbon core, it is characterised in that：The triangle amorphous ribbon
It is right angled triangle, and the length of one right-angle side of the right angled triangle is approximately equal to circular diameter, or the triangle
Shape amorphous ribbon is isosceles triangle or isosceles trapezoid, and the length on the isosceles triangle base is approximately equal to circular diameter；
The trapezoidal amorphous ribbon is right-angled trapezium or isosceles trapezoid, and the length of the bottom of the right-angled trapezium and isosceles trapezoid is approximate
Equal to circular diameter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720031851.1U CN206312712U (en) | 2017-01-11 | 2017-01-11 | A kind of stem is approximate circle amorphous ribbon core |
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| CN201720031851.1U CN206312712U (en) | 2017-01-11 | 2017-01-11 | A kind of stem is approximate circle amorphous ribbon core |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601441A (en) * | 2017-01-11 | 2017-04-26 | 常州市美格耐特非晶材料有限公司 | Amorphous ribbon iron core with approximately-circular stem, tool and manufacturing method of amorphous ribbon iron core |
| CN113506679A (en) * | 2021-06-30 | 2021-10-15 | 佛山科学技术学院 | Amorphous strip winding method and device |
-
2017
- 2017-01-11 CN CN201720031851.1U patent/CN206312712U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601441A (en) * | 2017-01-11 | 2017-04-26 | 常州市美格耐特非晶材料有限公司 | Amorphous ribbon iron core with approximately-circular stem, tool and manufacturing method of amorphous ribbon iron core |
| CN106601441B (en) * | 2017-01-11 | 2019-09-13 | 常州市美格耐特非晶材料有限公司 | A kind of stem is approximate circle amorphous ribbon core, tooling and preparation method thereof |
| CN113506679A (en) * | 2021-06-30 | 2021-10-15 | 佛山科学技术学院 | Amorphous strip winding method and device |
| CN113506679B (en) * | 2021-06-30 | 2023-02-28 | 佛山科学技术学院 | Amorphous strip winding method and device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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