CN109801777A - A kind of stereo amorphous alloy wound iron core and its single frame - Google Patents
A kind of stereo amorphous alloy wound iron core and its single frame Download PDFInfo
- Publication number
- CN109801777A CN109801777A CN201910271892.1A CN201910271892A CN109801777A CN 109801777 A CN109801777 A CN 109801777A CN 201910271892 A CN201910271892 A CN 201910271892A CN 109801777 A CN109801777 A CN 109801777A
- Authority
- CN
- China
- Prior art keywords
- single frame
- line
- glue
- elastic
- elastic glue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910000808 amorphous metal alloy Inorganic materials 0.000 title claims abstract description 20
- 239000011159 matrix material Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 229920001971 elastomer Polymers 0.000 claims description 34
- 239000005060 rubber Substances 0.000 claims description 31
- 239000002390 adhesive tape Substances 0.000 claims description 14
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 239000004831 Hot glue Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 229920006335 epoxy glue Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 abstract description 16
- 230000035882 stress Effects 0.000 abstract description 6
- 230000006355 external stress Effects 0.000 abstract description 2
- 238000004026 adhesive bonding Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000000137 annealing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
The invention discloses a kind of stereo amorphous alloy wound iron core and its single frames, the single frame includes as amorphous material strip single frame matrix made of center line winding, it further include the elastic glue-line that coating is solidificated on the single frame matrix surface, the elasticity glue-line includes multiple Jiao Qu, each Jiao Qu is spaced apart from each other arrangement, and the area coverage of the elastic glue-line is not less than the 40% of the single frame surface of the base body.So set, can it is subsequent single frame split is assembled into three-dimensional winding iron core during, buffer external stress suffered by single frame matrix and so as to reduce three-dimensional winding iron core to the sensibility of stress promote the magnetic property of three-dimensional winding iron core.
Description
Technical field
The present invention relates to the core technology fields of transformer, more particularly to a kind of stereo amorphous alloy wound iron core and its list
Frame.
Background technique
Stereo amorphous alloy wound iron core is a kind of iron core of typical production transformer, including multiple around being vertically arranged
(generally three) single frame.The vertical frame of each single frame is bonded the stem to be formed for coiling while with the vertical frame of each single frame.
Stereo amorphous alloy wound iron core has the advantages that structurally reasonable, anti-sudden short circuit is good, manufacturing cost is low etc., still,
It is influenced by amorphous material strip self character, there is it to stress sensitive disadvantage.
Currently, to have become three-dimensional winding iron core manufacturer common for the stress sensitivity for how reducing amorphous three-dimensional winding iron core
The problem faced.
Summary of the invention
In order to reduce the stress sensitivity of amorphous three-dimensional winding iron core, the present invention provides a kind of stereo amorphous alloy wound iron core
Single frame, the single frame include as amorphous material strip single frame matrix made of center line winding, further include that coating is solidificated in the list
Elastic glue-line on frame matrix surface, the elasticity glue-line includes multiple Jiao Qu, and each Jiao Qu is spaced apart from each other arrangement, and described
The area coverage of elastic glue-line is not less than the 40% of the single frame surface of the base body.
So set, can it is subsequent single frame split is assembled into three-dimensional winding iron core during, buffer single frame matrix suffered by
External stress promote the magnetic property of three-dimensional winding iron core so as to reduce three-dimensional winding iron core to the sensibility of stress.
Single frame as described above, the cross section on the frame side of the single frame matrix are approximately semicircle, semicircular curl institute
Surface be front, surface where semicircular straight flange is the back side, the elasticity glue-line include coating be solidificated in it is described just
The second elastic glue-line that the first elastic glue-line and coating on face are solidificated on the back side.
Single frame as described above, the described first elastic glue-line and the second elastic glue-line, the two respectively include multiple surround
The cushion rubber of the center line, each cushion rubber of each is along the direction arranged for interval perpendicular to the center line.
Single frame as described above, the described first elastic glue-line and the second elastic glue-line, the two respectively includes multiple from institute
The inner ring for stating single frame matrix extends to the adhesive tape of outer ring, and each adhesive tape of each is along the direction interval cloth around the center line
It sets.
Single frame as described above, the described first elastic glue-line and the second elastic glue-line, the two also respectively includes a ring
Around the cushion rubber of the center line, the cushion rubber of each connects with the inner end of its each adhesive tape.
Single frame as described above, the single frame matrix are the rectangular box that four frame angles are fillet, the single frame matrix
Front and back respectively have that there are four the fan-shaped regions of the corresponding frame angle；Described first elastic glue-line and second elastic gum
Layer, the two respectively include at least two fan-shaped films, and each fan-shaped film, which is respectively coated, to be solidificated on a fan-shaped region
And the corresponding fan-shaped region is completely covered.
Single frame as described above, the described first elastic glue-line and the second elastic glue-line, the two also respectively includes a ring
Around the cushion rubber of the center line, the cushion rubber of each connects with the inner end of its each fan-shaped film.
The material of single frame as described above, the elasticity glue-line is the elastic gum that elastomer is capable of forming after solidifying, described
The range of viscosities of elastic gum are as follows:≤300Pa.s, thermal expansion coefficient range are as follows: > 3ppm/ DEG C, shear strength range are as follows: >=
0.2Mpa, temperature resistant range are 80 DEG C of >.
Single frame as described above, the elastic gum be epoxy glue, silica gel, polyurethane, ethyl acetate, rubber adhesive,
Hot melt adhesive, end-silicane-group are one of polymer-modified.
In addition, the present invention also provides a kind of stereo amorphous alloy wound iron core, including the identical single frame of three structures, the list
Frame is single frame described in any of the above embodiments, three single frames around being vertically arranged, and the vertical frame side of each single frame with
The vertical frame side of the adjacent single frame is bonded the stem to be formed for coiling.
Since single frame has above-mentioned technique effect, thus include the single frame stereo amorphous alloy wound iron core also have it is identical
Technical effect, be not repeated to discuss herein.
Detailed description of the invention
Fig. 1 is a kind of perspective view of specific embodiment of single frame of stereo amorphous alloy wound iron core provided by the invention；
Fig. 2 is cross-sectional view of the single frame in the case where overlooking visual angle in Fig. 1；
Fig. 3 is the main view of the first specific embodiment of elastic glue-line of single frame；
Fig. 4 is the main view of the second specific embodiment of elastic glue-line of single frame；
Fig. 5 is the main view of the elastic glue-line third specific embodiment of single frame；
Fig. 6 is a kind of perspective view of specific embodiment of stereo amorphous alloy wound iron core provided by the invention.
The reference numerals are as follows into Fig. 6 by Fig. 1:
1 single frame；
11 single frame matrixes, 12 elastic glue-lines, 121a/121b/121c cushion rubber, 122 adhesive tape, 123 films, 13 inner support frames；
2 stereo amorphous alloy wound iron cores, 21 stems.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing and have
Body embodiment is described in further detail technical solution of the present invention.
Fig. 1 to Fig. 2 is please referred to, Fig. 1 is a kind of specific implementation of single frame of stereo amorphous alloy wound iron core provided by the invention
The perspective view of example；Fig. 2 is cross-sectional view of the single frame in the case where overlooking visual angle in Fig. 1.
In the embodiment, single frame 1 includes single frame matrix 11, coats the elastic glue-line 12 being solidificated on 11 surface of single frame matrix
And it is supported on the inner support frame 13 inside single frame matrix 11.
Wherein, elastic glue-line 12 includes multiple Jiao Qu, and each Jiao Qu is spaced apart from each other arrangement, and the area coverage of elastic glue-line 12
Not less than the 40% of 11 surface area of single frame matrix.
Wherein, single frame matrix 11 is continuously to be wound from inside to outside by the amorphous material strip of multistage different in width around center line
, the multistage frame structure of global approximation rectangle.Amorphous material strips at different levels can be rectangle amorphous material strip, be also possible to trapezoidal amorphous
Material strip.
When winding, thickness needed for winder special first makes 1 grade of amorphous material strip wind the 1st grade in the periphery of inner support frame 13
Degree, thickness needed for then making 2 grades of amorphous material strips wind the 2nd grade the 1st grade of periphery again have successively been wound according to same method
Other required thickness at different levels.
After the completion of winding, single frame matrix 11 and inner support frame 13 are placed in annealing furnace and are annealed, to eliminate internal stress.
By the way that inner support frame 13 is arranged, on the one hand can reduce in winding process and in annealing process amorphous material strip deformation rate,
On the other hand, single frame structural strength with higher can be made.Certainly, in specific implementation, inner support frame 13 can also be not provided with.
Specifically, the thickness of every grade of the sum of series by reasonably selecting single frame matrix 11, can control the list being wound into
The cross-sectional shape on the frame side of frame matrix 11.Preferably, the series range of single frame matrix 11 are as follows: 7 grades -25 grades, to form cross
Cross sectional shape is approximately semicircular frame side.
In the embodiment, as shown in Fig. 2, the cross-sectional shape on the frame side of single frame matrix 11 is approximately semicircle, also, partly
In a certain angle between circular straight flange and center line, which is specifically as follows 30 °, so set, subsequent assemble single frame 1
When at three-dimensional winding iron core, the frame side of each single frame 1 can fit together well, to form the approximate circle stem in cross section.
(hereafter for ease of description, the surface where semicircular curl to be known as to the front of single frame matrix 11, where semicircular straight flange
Surface be known as the back side of single frame matrix 11.)
After the completion of annealing, it is spaced gluing on the front of single frame matrix 11, multiple Jiao Qu is formed, is formed after each Jiao Qu solidification
First elastic glue-line.Meanwhile it also being spaced gluing on the back side of single frame matrix 11, form multiple Jiao Qu, shape after each Jiao Qu solidification
At the second elastic glue-line.
Specifically, the material of elastic glue-line is the elastic gum for being capable of forming elastomer after solidifying, the range of viscosities of elastic gum
Are as follows:≤300Pa.s, thermal expansion coefficient range are as follows: > 3ppm/ DEG C, shear strength range are as follows: >=0.2Mpa, temperature resistant range >
80℃.Elastic gum is specifically as follows epoxy glue, silica gel, polyurethane, ethyl acetate, rubber adhesive, hot melt adhesive, end-silicane-group
It is one of polymer-modified.
Specifically, can be smeared when gluing with room temperature also to be smeared in heating.It, can be with room temperature air dry cure when solidification
It can also be heating and curing.Also, it is different to smear direction, and the structure of the elastic glue-line 12 of formation is also different.Fig. 3, Fig. 4 and Fig. 5 show
The elastic glue-line of three kinds of different structures is gone out.
In Fig. 3, the first elastic glue-line includes multiple cushion rubber 121a around center line, and each cushion rubber 121a is along perpendicular to volume
Around the direction arranged for interval of center line.Second elastic glue-line (invisible in figure) also includes multiple cushion rubbers around center line
121a, each cushion rubber 121a are also along the direction arranged for interval perpendicular to winding center line.Specifically, cushion rubber 121a be approximately along
What the coiling direction gluing of amorphous material strip was formed.
In Fig. 4, the first elastic glue-line includes the adhesive tape 122 that multiple inner rings from single frame matrix 11 extend to outer ring, each
Adhesive tape 122 is along the direction arranged for interval around center line.Second elastic glue-line (invisible in figure) also includes multiple from single frame base
The inner ring of body 11 extends to the adhesive tape 122 of outer ring, and each adhesive tape 122 is also along the direction arranged for interval around center line.It is specific next
It says, adhesive tape 122 is formed approximately perpendicular to the coiling direction gluing of amorphous material strip.
In Fig. 4, the first elastic glue-line further includes a cushion rubber 121b, each adhesive tape of the elastic glue-line of cushion rubber 121b and first
122 inner end connects.Second elastic glue-line (invisible in figure) also includes a cushion rubber 121b, the elasticity of cushion rubber 121b and second
The inner end of each adhesive tape 122 of glue-line connects.Specifically, cushion rubber 121b is formed approximately along the coiling direction gluing of amorphous material strip
's.
In Fig. 5, four frame angles of single frame matrix 11 are fillet, and there are four corresponding frame angles for the front tool of single frame matrix 11
Fan-shaped region S, the back side of single frame matrix 11 also have that there are four the fan-shaped region S of corresponding frame angle.In Fig. 5, the first elastic glue-line packet
Two fan-shaped films 123 are included, is respectively coated and is solidificated on positive two fan-shaped regions and is completely covered the two fan-shaped regions,
The two preferred fan-shaped coatings of film 123 are solidificated on two fan-shaped regions being arranged diagonal.Second elastic glue-line is (in figure
It is invisible) also include two fan-shaped films 123, be respectively coated on two fan-shaped regions solidified overleaf and be completely covered this two
A fan-shaped region, the two preferred fan-shaped coatings of film 123 are solidificated on two fan-shaped regions being arranged diagonal.It needs
Bright, the first elastic glue-line and the second elastic glue-line can also respectively include three or four fan-shaped films 123.Specifically,
Fan-shaped film 123 is formed by filling glue on corresponding fan-shaped region.
In Fig. 5, the first elastic glue-line further includes a cushion rubber 121c, each sector of the elastic glue-line of cushion rubber 121c and first
The inner end of film 123 connects.Second elastic glue-line (invisible in figure) also includes a cushion rubber 121c, cushion rubber 121c and second
The inner end of each fan-shaped film 123 of elastic glue-line connects.Specifically, cushion rubber 121c is the coiling direction approximately along amorphous material strip
What gluing was formed.
In addition, the present invention also provides a kind of stereo amorphous alloy wound iron cores.Referring to FIG. 6, Fig. 6 is provided by the invention non-
The perspective view of peritectic alloy three-dimensional winding iron core.
As shown, the stereo amorphous alloy wound iron core 2 includes three above-mentioned single frames, the structure of three single frames is identical.Three
A single frame 1 around being vertically arranged, and the vertical frame of each single frame 1 be bonded while with the vertical frame of adjacent single frame 1 to be formed for around
The stem 21 of line.The stereo amorphous alloy wound iron core 2 forms three stems 21, three arrangements in equilateral triangle of stem 21 altogether.
A kind of stereo amorphous alloy wound iron core provided by the present invention and its single frame are described in detail above.Herein
In apply that a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to sides
Assistant solves method and its core concept of the invention.It should be pointed out that for those skilled in the art, not
, can be with several improvements and modifications are made to the present invention under the premise of being detached from the principle of the invention, these improvement and modification are also fallen into
In the protection scope of the claims in the present invention.
Claims (10)
1. a kind of single frame of stereo amorphous alloy wound iron core, which is characterized in that the single frame (1) includes by amorphous material strip around center
Coil of wire single frame matrix (11) made of further include the elastic glue-line that coating is solidificated on single frame matrix (11) surface
(12), the elastic glue-line (12) includes multiple Jiao Qu, and each Jiao Qu is spaced apart from each other arrangement, and the elasticity glue-line (12)
Area coverage is not less than the 40% of single frame matrix (11) surface area.
2. single frame according to claim 1, which is characterized in that the cross section on the frame side of the single frame matrix (11) is approximately
Semicircle, the surface where semicircular curl are front, and the surface where semicircular straight flange is the back side, the elasticity glue-line
It (12) include the first elastic glue-line that coating is solidificated on the front and the second elastic gum that coating is solidificated on the back side
Layer.
3. single frame according to claim 2, which is characterized in that the described first elastic glue-line and the second elastic glue-line,
The two respectively includes multiple cushion rubbers (121a) around the center lines, each each cushion rubber (121a) is along perpendicular in described
The direction arranged for interval of heart line.
4. single frame according to claim 2, which is characterized in that the described first elastic glue-line and the second elastic glue-line,
The two respectively includes the adhesive tape (122) that multiple inner rings from the single frame matrix (11) extend to outer ring, each adhesive tape of each
(122) along the direction arranged for interval around the center line.
5. single frame according to claim 4, which is characterized in that the described first elastic glue-line and the second elastic glue-line,
The two also respectively includes a cushion rubber (121b) around the center line, the cushion rubber (121b) of each and its each described adhesive tape
(122) inner end connects.
6. single frame according to claim 2, which is characterized in that it is fillet that the single frame matrix (11), which is four frame angles,
Rectangular box, the front and back of the single frame matrix (11) respectively have that there are four the fan-shaped regions (S) of the corresponding frame angle；It is described
First elastic glue-line and the second elastic glue-line, the two respectively include at least two fan-shaped films (123), each fan-shaped glue
Piece (123), which is respectively coated, is solidificated on a fan-shaped region (S) and is completely covered the corresponding fan-shaped region (S).
7. single frame according to claim 6, which is characterized in that the described first elastic glue-line and the second elastic glue-line,
The two also respectively includes a cushion rubber (121c) around the center line, the cushion rubber (121c) of each and its each described sector
The inner end of film (123) connects.
8. single frame according to claim 1-7, which is characterized in that the material of the elasticity glue-line (12) is solidification
It is capable of forming the elastic gum of elastomer, the range of viscosities of the elastic gum afterwards are as follows:≤300Pa.s, thermal expansion coefficient range are as follows: >
3ppm/ DEG C, shear strength range are as follows: >=0.2Mpa, temperature resistant range are 80 DEG C of >.
9. single frame according to claim 8, which is characterized in that the elastic gum is epoxy glue, silica gel, polyurethane, acetic acid
Ethyl ester, rubber adhesive, hot melt adhesive, end-silicane-group are one of polymer-modified.
10. a kind of stereo amorphous alloy wound iron core, which is characterized in that the stereo amorphous alloy wound iron core (2) includes three knots
The identical single frame of structure, the single frame are the described in any item single frames of claim 1-9 (1), and three single frames (1) are around vertical
Arrangement, and the vertical frame of each single frame (1) is bonded to be formed for coiling while with the vertical frame of the adjacent single frame (1)
Stem (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910271892.1A CN109801777B (en) | 2019-04-04 | 2019-04-04 | Three-dimensional iron core of rolling up of amorphous alloy and single frame thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910271892.1A CN109801777B (en) | 2019-04-04 | 2019-04-04 | Three-dimensional iron core of rolling up of amorphous alloy and single frame thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109801777A true CN109801777A (en) | 2019-05-24 |
| CN109801777B CN109801777B (en) | 2024-04-30 |
Family
ID=66563430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910271892.1A Active CN109801777B (en) | 2019-04-04 | 2019-04-04 | Three-dimensional iron core of rolling up of amorphous alloy and single frame thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109801777B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600238A (en) * | 2019-09-23 | 2019-12-20 | 青岛云路先进材料技术股份有限公司 | Transformer and three-dimensional iron core of rolling up of metallic glass thereof |
| WO2020199372A1 (en) * | 2019-04-04 | 2020-10-08 | 青岛云路先进材料技术股份有限公司 | Amorphous alloy stereoscopic wound core and single frame thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202695072U (en) * | 2012-06-01 | 2013-01-23 | 新华都特种电气股份有限公司 | Stereo-structure winding type amorphous alloy transformer iron core |
| CN203706805U (en) * | 2013-11-22 | 2014-07-09 | 国家电网公司 | Amorphous alloy iron core capable of reducing noise and vibration |
| KR20180027982A (en) * | 2016-09-07 | 2018-03-15 | 삼성전기주식회사 | Magnetic powder and inductor comprising the same |
| CN207338094U (en) * | 2017-09-07 | 2018-05-08 | 金三角电力科技股份有限公司 | A kind of stereo amorphous alloy triangle winding iron core |
| CN209641490U (en) * | 2019-04-04 | 2019-11-15 | 青岛云路先进材料技术股份有限公司 | A kind of single frame and stereo amorphous alloy wound iron core of stereo amorphous alloy wound iron core |
-
2019
- 2019-04-04 CN CN201910271892.1A patent/CN109801777B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202695072U (en) * | 2012-06-01 | 2013-01-23 | 新华都特种电气股份有限公司 | Stereo-structure winding type amorphous alloy transformer iron core |
| CN203706805U (en) * | 2013-11-22 | 2014-07-09 | 国家电网公司 | Amorphous alloy iron core capable of reducing noise and vibration |
| KR20180027982A (en) * | 2016-09-07 | 2018-03-15 | 삼성전기주식회사 | Magnetic powder and inductor comprising the same |
| CN207338094U (en) * | 2017-09-07 | 2018-05-08 | 金三角电力科技股份有限公司 | A kind of stereo amorphous alloy triangle winding iron core |
| CN209641490U (en) * | 2019-04-04 | 2019-11-15 | 青岛云路先进材料技术股份有限公司 | A kind of single frame and stereo amorphous alloy wound iron core of stereo amorphous alloy wound iron core |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020199372A1 (en) * | 2019-04-04 | 2020-10-08 | 青岛云路先进材料技术股份有限公司 | Amorphous alloy stereoscopic wound core and single frame thereof |
| CN110600238A (en) * | 2019-09-23 | 2019-12-20 | 青岛云路先进材料技术股份有限公司 | Transformer and three-dimensional iron core of rolling up of metallic glass thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109801777B (en) | 2024-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109801777A (en) | A kind of stereo amorphous alloy wound iron core and its single frame | |
| CN209641490U (en) | A kind of single frame and stereo amorphous alloy wound iron core of stereo amorphous alloy wound iron core | |
| CN209641491U (en) | A kind of transformer, stereo amorphous alloy wound iron core and its single frame | |
| CN109903963A (en) | A kind of transformer, stereo amorphous alloy wound iron core and its single frame | |
| GB1130286A (en) | Glass coated electrical steel sheet and articles therefrom | |
| CN112420373B (en) | Manufacturing method of YBCO high-temperature superconducting magnet | |
| WO2023232081A1 (en) | Amorphous-alloy three-dimensional wound core | |
| CN109801774A (en) | Stereo amorphous alloy wound iron core and its single frame | |
| CN109801776A (en) | Stereo amorphous alloy wound iron core and its single frame | |
| CN209571308U (en) | The single frame and stereo amorphous alloy wound iron core of stereo amorphous alloy wound iron core | |
| CN114507768A (en) | Method for improving edge wave shape of oriented silicon steel | |
| CN107103986A (en) | A kind of amorphous alloy transformer iron core | |
| CN111785489A (en) | Transformer, amorphous alloy three-dimensional roll iron core and preparation method thereof | |
| CN212724955U (en) | Silicon crystal composite stereo transformer core | |
| CN112894636A (en) | Manufacturing process of grinding and tightening wheel | |
| CN210200496U (en) | Inductor with inclined planes at two ends of magnetic core | |
| CN110600238A (en) | Transformer and three-dimensional iron core of rolling up of metallic glass thereof | |
| CN220171838U (en) | Anti-deviation self-adhesive enameled wire | |
| CN110942854A (en) | Novel compression-resistant anti-deformation wear-resistant cable | |
| CN213716645U (en) | Single frame of amorphous iron core and amorphous iron core | |
| JPH0136281Y2 (en) | ||
| CN111009350A (en) | Anti-corrosion aluminum-clad steel strand and production method thereof | |
| CN219303420U (en) | Self-adhesion enameled wire coil | |
| JPS5935410A (en) | Manufacture of wound core | |
| CN217629117U (en) | Wire rod with anticorrosive surface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |