CN206312714U - A kind of section is multistage trapezoidal amorphous ribbon core - Google Patents
A kind of section is multistage trapezoidal amorphous ribbon core Download PDFInfo
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- CN206312714U CN206312714U CN201720031940.6U CN201720031940U CN206312714U CN 206312714 U CN206312714 U CN 206312714U CN 201720031940 U CN201720031940 U CN 201720031940U CN 206312714 U CN206312714 U CN 206312714U
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Abstract
It is multistage trapezoidal amorphous ribbon core that the utility model provides a kind of section, including stem, the stem is formed using a plurality of amorphous tape wrapping, the amorphous ribbon includes arrowband, the broadband for forming stem intermediate layer for forming stem internal layer and stem outer layer, more than the width of the arrowband, the section of the stem is formed successively decrease step by step multistage trapezoidal from stem intermediate layer to the width in the broadband inside and outside.The utility model is more beneficial for being uniformly distributed for the magnetic flux of whole cross section using multistage trapezoid cross section, it is possible to achieve the automatic coiling on core 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 section is multistage trapezoidal 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 multistage trapezoidal amorphous ribbon core for a kind of section.
The utility model solves its technical problem technical scheme to be taken：A kind of section is multistage trapezoidal amorphous
Ribbon core, including stem, the stem are formed using a plurality of amorphous tape wrapping, and the amorphous ribbon is included for forming stem internal layer
Arrowband with stem outer layer, the broadband for forming stem intermediate layer, the width of the width more than the arrowband in the broadband, institute
The section for stating stem is formed successively decrease step by step multistage trapezoidal from stem intermediate layer inside and outside.
Further, in order that the section of stem more seamlessly transits, between the stem internal layer and the stem intermediate layer
If time middle level is provided with dried layer stem, form the width of the amorphous ribbon in time middle level in the stem from the stem internal layer to described
Stem intermediate layer gradually increases, if being provided with dried layer stem outer middle level, shape between the stem outer layer and the stem intermediate layer
Width into the outer amorphous ribbon in middle level of the stem is gradually increased from the stem outer layer to the stem intermediate layer, and described
The outer middle level in time middle level and the stem is symmetrical arranged along the stem intermediate layer in the stem in stem section.Symmetrically set
Put the inside and outside correspondence of the finger number of plies, width, thickness.When in the stem that stem is used middle level and outer middle level number of plies of stem are enough
When, the section of stem is close to circle, and the distribution of the magnetic flux of whole cross section is more uniform.
The beneficial effects of the utility model are：A kind of section that the utility model is provided is multistage trapezoidal amorphous ribbon iron
Core, the magnetic flux for being more beneficial for using multistage trapezoid cross section whole cross section is uniformly distributed, it is possible to achieve do not cutting iron core
In the case of the automatic coiling on core.
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 embodiment one；
Fig. 3 is the structural representation of the utility model embodiment two；
Fig. 4 is the cross-sectional view of A-A in Fig. 3；
Fig. 5 is the structural representation of iron core after coiling winding in embodiment two；
Fig. 6 is the structural representation of iron core after coiling winding in embodiment three；
Fig. 7 is the Making programme figure of iron core.
In figure：1st, stem, 2, winding, 3, gap, 4, core rod, 11, stem internal layer, 12, stem outer layer, 13, in the middle of stem
Layer, 14, time middle level in stem, 15, outer middle level of stem.
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.
Embodiment one：
As shown in Fig. 2 a kind of section of the present utility model is multistage trapezoidal amorphous ribbon core, including stem 1, the core
Post 1 is formed using three amorphous tape wrappings, the amorphous ribbon include for form stem internal layer 11 and stem outer layer 12 arrowband,
Broadband for forming stem intermediate layer 13, the width in the broadband more than the arrowband width, the section of the stem 1 by
Stem intermediate layer 13 forms multistage trapezoidal, the thickness phase of stem internal layer 11 and stem outer layer 12 successively decreased step by step inside and outside
Deng.
Compared with prior art, the space that 2 post gap of coiling winding 3 takes diminishes embodiment one, and the volume of entirety becomes
It is small, and edges and corners winding 2 does not exist big bending.
Embodiment two：
As in Figure 3-5, a kind of section of the present utility model is multistage trapezoidal amorphous ribbon core, including stem 1, described
Stem 1 is formed using five amorphous tape wrappings, and the amorphous ribbon is included for forming the narrow of stem internal layer 11 and stem outer layer 12
Band, the broadband for forming stem intermediate layer 13, more than the width of the arrowband, the stem 1 cuts for the width in the broadband
Face is formed successively decrease step by step multistage trapezoidal from stem intermediate layer 13 inside and outside.
Time middle level 14 is provided with one layer of stem between the stem internal layer 11 and the stem intermediate layer 13, outside the stem
Outer middle level 15 of one layer of stem, time middle level 14 and stem in stem described in coiling are provided between layer 12 and the stem intermediate layer 13
The width of the outer amorphous ribbon in middle level 15 is equal, and width is between stem internal layer 11 and stem intermediate layer 13, the stem
Interior middle level 14 is equal with the thickness in outer middle level 15 of stem.
Compared with embodiment one, the space that 2 post gap of coiling winding 3 takes diminishes embodiment two, and the volume of entirety becomes
It is small, and edges and corners winding 2 bend more smooth.
Embodiment three：
As shown in fig. 6, a kind of section of the present utility model is multistage trapezoidal amorphous ribbon core, including stem 1, the core
Post 1 is formed using nine amorphous tape wrappings, the amorphous ribbon include for form stem internal layer 11 and stem outer layer 12 arrowband,
Broadband for forming stem intermediate layer 13, the width in the broadband more than the arrowband width, the section of the stem 1 by
Stem intermediate layer 13 forms successively decrease step by step multistage trapezoidal inside and outside.
Time middle level 14 is provided with three layers of stem between the stem internal layer 11 and the stem intermediate layer 13, the core is formed
The width of the amorphous ribbon in time middle level 14 is gradually increased from the stem internal layer 11 to the stem intermediate layer 13 in post, the stem
Outer middle level 15 of three layers of stem is provided between outer layer 12 and the stem intermediate layer 13, the non-of outer middle level 15 of the stem is formed
The width in crystal zone is gradually increased from the stem outer layer 12 to the stem intermediate layer 13, and described in the section of the stem 1
The outer middle level 15 in time middle level 14 and the stem is symmetrical arranged along the stem intermediate layer 13 in stem, i.e., inside and outside in
Between width and thickness into being symmetrical arranged.
Compared with embodiment two, the space that 2 post gap of coiling winding 3 takes diminishes embodiment three, and the volume of entirety becomes
It is smaller, and the transition of edges and corners winding 2 more smooth.
As shown in fig. 7, illustrating preparation method by taking five layers of amorphous ribbon as an example, comprise the following steps：
Step 1：According to the size of iron core, prepare to make the frock and amorphous band of iron core, select in coiling stem respectively
The arrowband of layer 11 and stem outer layer 12, narrowband width is d1, the broadband in coiling stem intermediate layer 13, and wideband width is d3, and
Outer amorphous ribbon in middle level 15 in time middle level 14 and stem in coiling stem, its width is d2, and be placed on iron core winder treats drum
Upper (two stations), preparation external diameter is D0Winding core rod 4, and d1 ＜ d2 ＜ d3.
Step 2：It is first D in external diameter as shown in Fig. 7 (a)0Core rod 4 on wind a slice width degree be d1 arrowband, turn to
Stem internal layer 11, broadband is cut after winding.
Step 3：As shown in Fig. 7 (b), it is the amorphous ribbon of d2 to import width, makes amorphous ribbon center and stem that width is d2
The center alignment in the narrowband width direction of internal layer 11, make stem internal layer 11 take the lead push down the amorphous ribbon that width is d2 and taking the lead,
Time middle level 14 is wound into stem, amorphous ribbon is cut after winding.
Step 4：As shown in Fig. 7 (c), it is the broadband of d3 to import width, makes the width at broadband center and time middle level 14 in stem
The center line alignment in direction is spent, continues to be wound into stem intermediate layer 13, broadband is cut after winding.
Step 5：As shown in Fig. 7 (d), it is the amorphous ribbon of d2 to import width, makes amorphous ribbon center and stem that width is d2
The center alignment of the width in intermediate layer 13, continues to be wound into outer middle level 15 of stem, and amorphous ribbon is cut after winding.
Step 6：As shown in Fig. 7 (e), it is the arrowband of d1 to import width, makes outer width in middle level 15 of narrow band center and stem
The center alignment in direction is spent, continues to be wound into outer middle level 15 of stem, amorphous ribbon cut after winding and is welded, iron core winding is complete
Into.
Step 7：The iron core for winding is put into dielectric heating oven and uniformly heats, and is heated up with 10 DEG C per minute of speed, control
Furnace temperature processed is cooled to 100 DEG C with 20 DEG C of speed per minute again at 400~600 DEG C after being kept for three hours, what taking-up had been heat-treated
Iron core.
Step 8：Iron core is completely infused in the modified epoxy containing curing agent by vacuum impregnation equipment, be allowed to fill
Divide the bedding void of the nanocrystalline iron core of filling, taken out after the completion of impregnation and dry iron core.
Step 9：Iron core is put into baking oven, solidifying and setting 8 hours at 80-150 DEG C, iron core is machined.
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 section is multistage trapezoidal amorphous ribbon core, it is characterised in that：Including stem (1), the stem (1) is using more
Bar amorphous tape wrapping is formed, the amorphous ribbon include for form stem internal layer (11) and stem outer layer (12) arrowband, be used for
Form the broadband of stem intermediate layer (13), the width in the broadband more than the arrowband width, the section of the stem (1) by
Stem intermediate layer (13) forms successively decrease step by step multistage trapezoidal inside and outside.
2. section as claimed in claim 1 is multistage trapezoidal amorphous ribbon core, it is characterised in that：The stem internal layer (11)
With the stem intermediate layer (13) if between be provided with dried layer stem time middle level (14), form time middle level (14) in the stem
The width of amorphous ribbon is gradually increased from the stem internal layer (11) to the stem intermediate layer (13), the stem outer layer (12) with
The stem intermediate layer (13) if between be provided with outer middle level (15) of dried layer stem, form the non-of outer middle level (15) of the stem
The width in crystal zone is gradually increased from the stem outer layer (12) to the stem intermediate layer (13), and in the stem (1) section
The stem in the outer middle level (15) in time middle level (14) and the stem be symmetrical arranged along the stem intermediate layer (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720031940.6U CN206312714U (en) | 2017-01-11 | 2017-01-11 | A kind of section is multistage trapezoidal amorphous ribbon core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720031940.6U CN206312714U (en) | 2017-01-11 | 2017-01-11 | A kind of section is multistage trapezoidal amorphous ribbon core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206312714U true CN206312714U (en) | 2017-07-07 |
Family
ID=59248323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720031940.6U Expired - Fee Related CN206312714U (en) | 2017-01-11 | 2017-01-11 | A kind of section is multistage trapezoidal amorphous ribbon core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206312714U (en) |
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2017
- 2017-01-11 CN CN201720031940.6U patent/CN206312714U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170707 Termination date: 20220111 |