CN209571312U - A kind of transformer and stereo amorphous alloy wound iron core - Google Patents
A kind of transformer and stereo amorphous alloy wound iron core Download PDFInfo
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- CN209571312U CN209571312U CN201920461709.XU CN201920461709U CN209571312U CN 209571312 U CN209571312 U CN 209571312U CN 201920461709 U CN201920461709 U CN 201920461709U CN 209571312 U CN209571312 U CN 209571312U
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- iron core
- amorphous alloy
- noise reduction
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Abstract
The utility model discloses a kind of transformer and stereo amorphous alloy wound iron core, wherein the stereo amorphous alloy wound iron core includes several single frame cores, and the single frame core includes support frame in a ring and the several layers amorphous ribbon for being wound in support frame as described above；Gap described in gap, innermost layer between amorphous ribbon described in adjacent two layers between amorphous ribbon and support frame as described above is filled with damping layer, so that above-mentioned gap is sealed, and there is certain intensity, the noise that can substantially reduce the vibration of iron core and generate therefrom.
Description
Technical field
The utility model relates to transformer technology fields, and in particular to a kind of transformer and stereo amorphous alloy wound iron core.
Background technique
Amorphous alloy material saturation induction density with higher and extremely low iron loss, thus alternative silicon steel and part
Soft magnetic ferrite for various medium-high frequency power electronic equipments (such as transformer) core material in, play reduce device volume,
Reduce the effect of equipment energy consumption.
Amorphous alloy material is using the new material of flash set technology manufacture, and amorphous iron core is by several layers amorphous band
(band-like amorphous alloy material) coiling and molding or stacked extrusion forming form, and are influenced by amorphous band self character, non-
It can not excessively be clamped between each layer of brilliant iron core, meanwhile, the magnetostriction degree of amorphous alloy is high compared to silicon steel sheet about
10%, in this way, when in use, the suffered constraint of the vibration of amorphous iron core caused by magnetostriction is smaller, this be easy for generating compared with
Big noise influences the use of equipment.
Therefore, how a kind of amorphous alloy iron core being not likely to produce noise is provided, is still that those skilled in the art urgently solve
Certainly the technical issues of.
Utility model content
The purpose of the utility model is to provide a kind of transformer and stereo amorphous alloy wound iron cores, wherein the amorphous alloy
The noise of three-dimensional winding iron core is smaller.
In order to solve the above technical problems, the utility model provides a kind of stereo amorphous alloy wound iron core, including several single frames
Core, the single frame core include support frame in a ring and the several layers amorphous ribbon for being wound in support frame as described above；Adjacent two layers
Gap described in gap, innermost layer between the amorphous ribbon between amorphous ribbon and support frame as described above is filled with damping layer.
The there is provided stereo amorphous alloy wound iron core of the utility model, between the adjacent two layers amorphous ribbon of single frame core between
Gap between gap and innermost layer amorphous ribbon and support frame can be filled with damping layer so that above-mentioned gap be able to it is close
Envelope, and there is certain intensity, the noise that can substantially reduce the vibration of iron core and generate therefrom.
Optionally, the damping layer impregnated in adhesive by the single frame core and it is cured form, and the damping
The thickness of layer is less than 0.1mm.
Optionally, the condition of the dipping is one of vacuum, hydrostatic pressure and naturally osmotic.
Optionally, the material of the adhesive be epoxy resin, cyanoacrylate, silica gel, polyurethane, ethyl acetate,
Rubber adhesive, hot melt adhesive and end-silicane-group are one of polymer-modified.
Optionally, the outer surface of the single frame core is additionally provided with noise reduction layer.
Optionally, the material of the noise reduction layer is noise reduction glue, and the fissipation factor of the noise reduction glue is 0.3-1.3, the drop
Make an uproar layer thickness be greater than 0.2mm.
Optionally, the material of the noise reduction glue is high-strength tenacity impact resistance creep resistant damping paint, in epoxy glue, polyurethane
One kind.
Optionally, the noise reduction layer is applied under room temperature or heating condition on the surface of the single frame core by the noise reduction glue
It covers and cured forms.
Optionally, the damping layer is formed in after the single frame core carries out magnetic-field annealing, and the noise reduction layer is formed
After the damping layer is formed.
The utility model also provides a kind of transformer, including iron core, and the iron core is above-mentioned stereo amorphous alloy wound iron
Core.
Since above-mentioned stereo amorphous alloy wound iron core has been provided with technical effect as above, then, there is the amorphous to close
The transformer of golden three-dimensional winding iron core is also when having similar technical effect.
Detailed description of the invention
Fig. 1 is provided a kind of structural representation of specific embodiment of stereo amorphous alloy wound iron core by the utility model
Figure；
Fig. 2 is the partial view of single frame iron core；
Fig. 3 is partial cross section's enlarged drawing of single frame iron core in Fig. 2.
The reference numerals are as follows in Fig. 1-3:
1 single frame core, 11 support frames, 12 amorphous ribbons, 13 damping layers；
2 noise reduction layers.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, with reference to the accompanying drawing and have
The utility model is described in further detail for body embodiment.
It is described herein it is " several " be that exponential quantity is uncertain multiple, it is usually more than two；And when using " several " table
When showing the quantity of certain several component, it is not offered as the correlation of these components quantitatively.
Fig. 1-3 is please referred to, Fig. 1 provides a kind of specific embodiment of stereo amorphous alloy wound iron core by the utility model
Structural schematic diagram, Fig. 2 be single frame iron core partial view, Fig. 3 be Fig. 2 in single frame iron core partial cross section's enlarged drawing.
As shown in Figure 1, the utility model provides a kind of stereo amorphous alloy wound iron core, including several single frame cores 1, specifically
It can be enclosed using the identical single frame core 1 of three structures, the outer rim global approximation of single frame core 1 is rectangular, and single frame
The cross section on the frame side of core 1 can be approximate half-circular or half of polygon, with opposite on the frame side of two single frame cores 1
When connecing, cross section is capable of forming as approximate circle or approximate polygon stem.
Above-mentioned single frame core 1 includes support frame 11 in a ring and the several layers amorphous ribbon 12 for being wound in the support frame 11.
In specific installation, the amorphous ribbon 12 that several grades have different in width can be prepared, support frame 11 can be located at innermost layer, chopped-off head
Amorphous ribbon 12 can wind in the support frame 11, can wind above-mentioned amorphous ribbons at different levels 12, successively from inside to outside then with shape
At the single frame core 1 with specific shape.Here, the utility model embodiment does not limit the amorphous ribbon 12 with different in width
Series, in practical applications, those skilled in the art can select according to actual needs；In a kind of illustrative scheme
In, above-mentioned amorphous ribbon 12 can be set to 7-25 grades.How coiling etc. is referred to the prior art to related amorphous ribbon 12, herein not
It is described in detail.Here annular can be annulus, Q-RING, straight-flanked ring, kidney ellipsoid ring or other special-shaped rings etc.；With straight-flanked ring
For, when manufacturing installation, which can be an integral structure, can also be assembled by two " └ " shape plates, alternatively,
It can also be assembled for four straight panels.
After the formation of single frame core 1, it can push it into and carry out magnetic-field annealing in annealing furnace, to eliminate internal stress, and
Restore magnetic.
Be formed by single frame core 1 using the above scheme, influenced by 12 self-characteristic of amorphous ribbon, each layer amorphous ribbon 12 it
Between the tension that cannot wind, and amorphous ribbon 12 inherently made by alternating flux when in use by Magnetostrictive Properties with higher
With each layer amorphous ribbon 12 is easy to happen periodic vibration, to generate noise.
In view of this, in conjunction with Fig. 3, the provided stereo amorphous alloy wound iron core of the utility model, adjacent the two of single frame core 1
The gap between gap and innermost layer amorphous ribbon 12 and support frame 11 between layer amorphous ribbon 12 can be filled with damping layer
13, so that above-mentioned gap is sealed, and has certain intensity, it can substantially reduce the vibration of iron core and produce therefrom
Raw noise.
It is to be appreciated that the single frame core 1 after magnetic-field annealing, per adjacent two layers of amorphous ribbon 12 between, innermost layer
Not necessarily there is gap between amorphous ribbon 12 and support frame 11, it is if there is no gap, then also just not above-mentioned therebetween
Damping layer 13.
Specifically, above-mentioned damping layer 13 can be impregnated in adhesive by single frame core 1 and (room temperature air-dries through drying
Or heating) solidify, the process of dipping can be to be carried out under environment temperature and ambient pressure conditions, is also possible to true
It is carried out under conditions of empty, hydrostatic pressure or naturally osmotic, to promote adhesive to be preferably filled.
In this way, being formed by, 13 surface of damping layer is more smooth, and thickness is more uniform, and the thickness of the damping layer 13 can be small
In 0.1mm, to reduce the time of dry solidification；And after adopting the above scheme, the surface of single frame core 1 can also be formed above-mentioned
Damping layer 13, entire single frame core 1 be equivalent to be glued agent solidification be integrated into a whole, it is ensured that enough intensity and machine
Tool integrality can facilitate installation, and during installation, elasticity possessed by the damping layer 13 on 1 surface of single frame core can also improve
The stress sensitivity of single frame core 1 can avoid iron core stress problem and feelings that the magnetic property that occurs deteriorates in the follow-up process
Condition；In addition, after handling using the above scheme, additionally it is possible to the no-load loss of iron core be greatly reduced.
Here, the utility model embodiment does not limit the type of above-mentioned adhesive, when implementing, those skilled in the art
It can be selected according to actual needs；For example, the material of the adhesive can for epoxy resin, cyanoacrylate, silica gel,
Polyurethane, ethyl acetate, rubber adhesive, hot melt adhesive and end-silicane-group are any one of polymer-modified.
Preferably, the viscosity of above-mentioned adhesive can be less than 300Pa.s, and thermal expansion coefficient can be greater than 3ppm/ DEG C,
Shear strength can be greater than between 0.2MPa, and high temperature resistance can be greater than 80 DEG C.It, can be in concrete practice based on this
Using the adhesive of the low viscosities such as epoxy resin, cyanoacrylate, ethyl acetate；By taking ethyl acetate as an example, cure shrinkage
Rate is lower, and the cementitiousness and elastic force of formed damping layer 13 are higher, for the stress of iron core itself, initial permeability and
The influence of inductance is smaller, is a kind of preferred embodiment of the utility model embodiment.
In addition to the technique of dipping, above-mentioned damping layer 13 can also pass through the works such as dip-coating, spraying, brushing or electrostatic precipitation
Skill is formed, and specific related process technologies are referred to the prior art, and it is not described here in detail.
As shown in Fig. 2, the outer surface of single frame core 1 is also provided with noise reduction layer 2 after the formation of above-mentioned damping layer 13,
The material of the noise reduction layer 2 can be the higher a kind of noise reduction glue of fissipation factor, can weaken the vibration in the operation of the transformer,
Noise can further be reduced.
The fissipation factor of above-mentioned noise reduction glue can be specifically as follows high-strength tenacity impact resistance creep resistant between 0.3-1.3
One of damping paint, epoxy glue, polyurethane, wherein the adhesion strength of epoxy glue is big, and shrinking percentage is low, and has high dielectric property
Can, it is a kind of preferred embodiment of the utility model embodiment.
In concrete practice, weight ratio can be used to be mixed for the epoxy resin of 1.5:1~2.5:1 with curing agent,
To obtain above-mentioned epoxy glue.Here, the utility model embodiment does not limit the type of above-mentioned curing agent, in fact, solidification
The type of agent is different, and the performance of formed epoxy glue can also have larger difference, and in practical applications, those skilled in the art can
To be selected as needed.
Noise reduction layer 2 can by noise reduction glue under room temperature or heating condition single frame core 1 surface coating and through drying
(room temperature air-dries or heating) solidifies, and using the thinner thickness of the formed coating of this technique, can substantially shorten cured
Time is conducive to rapid draing.Depending on the thickness of noise reduction layer 2 can according to need, in a kind of illustrative scheme, the noise reduction
The thickness of layer 2 can be set to be greater than 0.2mm.
Using above-mentioned each scheme, there may be two layers of protection for the outer surface for the single frame core 1 being ultimately formed, wherein
Internal layer protection be damping layer 13, outer protective be noise reduction layer 2, two layers of protection collective effect, with preferably by support frame 11 with respectively
The amorphous ribbon 12 of layer holds together admittedly, can reduce noise to a greater degree；And it can then be filled out between each layer amorphous ribbon 12
Damping layer 13 is filled, to seal interlayer spacings, and proof strength, can further reduce noise；Moreover, forming amorphous in assembling
When alloy stereo rolls up iron core, damping layer 13 and noise reduction layer 2 at the docking of two single frame cores 1 can give full play to the bullet of the two
Property, to improve the stress sensitivity at 1 docking of single frame core, and then it can better ensure that the property of iron core in long-term use process
Energy.
The utility model also provides a kind of transformer, including iron core, which is non-involved in the respective embodiments described above
Peritectic alloy three-dimensional winding iron core.
Since above-mentioned amorphous three-dimensional winding iron core has been provided with technical effect as above, then, there is the amorphous three-dimensional winding
The transformer of iron core is also when having similar technical effect, therefore this will not be repeated here.
Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of this utility model, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of stereo amorphous alloy wound iron core, including several single frame cores (1), the single frame core (1) includes in a ring
Support frame (11) and the several layers amorphous ribbon (12) for being wound in support frame as described above (11), which is characterized in that non-described in adjacent two layers
Gap described in gap, innermost layer between crystal zone (12) between amorphous ribbon (12) and support frame as described above (11) is filled with damping
Layer (13).
2. stereo amorphous alloy wound iron core according to claim 1, which is characterized in that the damping layer (13) is by the single frame
Core (1) impregnated in adhesive and it is cured form, and the thickness of the damping layer (13) be less than 0.1mm.
3. stereo amorphous alloy wound iron core according to claim 2, which is characterized in that the condition of the dipping is vacuum, quiet
One of water pressure, naturally osmotic.
4. stereo amorphous alloy wound iron core according to claim 2, which is characterized in that the material of the adhesive is asphalt mixtures modified by epoxy resin
Rouge, cyanoacrylate, silica gel, polyurethane, ethyl acetate, rubber adhesive, hot melt adhesive and end-silicane-group are polymer-modified
One of.
5. stereo amorphous alloy wound iron core described in any one of -4 according to claim 1, which is characterized in that the single frame core
(1) outer surface is additionally provided with noise reduction layer (2).
6. stereo amorphous alloy wound iron core according to claim 5, which is characterized in that the material of the noise reduction layer (2) is drop
It makes an uproar glue, the fissipation factor of the noise reduction glue is 1-1.3, and the thickness of the noise reduction layer (2) is greater than 0.2mm.
7. stereo amorphous alloy wound iron core according to claim 6, which is characterized in that the material of the noise reduction glue is Gao Qiangren
One of property impact resistance creep resistant damping paint, epoxy glue, polyurethane.
8. stereo amorphous alloy wound iron core according to claim 6, which is characterized in that the noise reduction layer (2) is by the noise reduction
Glue in the coating of the surface of the single frame core (1) and cured forms under room temperature or heating condition.
9. stereo amorphous alloy wound iron core according to claim 5, which is characterized in that the damping layer (13) is formed in institute
After stating single frame core (1) progress magnetic-field annealing, the noise reduction layer (2) is formed in after the damping layer (13) formation.
10. a kind of transformer, including iron core, which is characterized in that the iron core is that amorphous described in any one of claim 1-9 closes
Golden three-dimensional winding iron core.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920461709.XU CN209571312U (en) | 2019-04-04 | 2019-04-04 | A kind of transformer and stereo amorphous alloy wound iron core |
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| CN201920461709.XU CN209571312U (en) | 2019-04-04 | 2019-04-04 | A kind of transformer and stereo amorphous alloy wound iron core |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110911121A (en) * | 2019-12-09 | 2020-03-24 | 青岛云路先进材料技术股份有限公司 | Amorphous alloy iron core and amorphous alloy transformer |
| WO2020199373A1 (en) * | 2019-04-04 | 2020-10-08 | 青岛云路先进材料技术股份有限公司 | Transformer, amorphous alloy three-dimensional wound core and preparation method therefor |
| CN112635185A (en) * | 2020-12-18 | 2021-04-09 | 上海置信日港电气有限公司 | Method for manufacturing amorphous alloy iron core with fastening silicon steel strip |
-
2019
- 2019-04-04 CN CN201920461709.XU patent/CN209571312U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020199373A1 (en) * | 2019-04-04 | 2020-10-08 | 青岛云路先进材料技术股份有限公司 | Transformer, amorphous alloy three-dimensional wound core and preparation method therefor |
| CN110911121A (en) * | 2019-12-09 | 2020-03-24 | 青岛云路先进材料技术股份有限公司 | Amorphous alloy iron core and amorphous alloy transformer |
| CN112635185A (en) * | 2020-12-18 | 2021-04-09 | 上海置信日港电气有限公司 | Method for manufacturing amorphous alloy iron core with fastening silicon steel strip |
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