CN202771920U - Three box three column type amorphous alloy transformer iron core - Google Patents

Three box three column type amorphous alloy transformer iron core Download PDF

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Publication number
CN202771920U
CN202771920U CN201220432297.5U CN201220432297U CN202771920U CN 202771920 U CN202771920 U CN 202771920U CN 201220432297 U CN201220432297 U CN 201220432297U CN 202771920 U CN202771920 U CN 202771920U
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China
Prior art keywords
iron core
amorphous alloy
alloy transformer
frame
adhesive
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Expired - Lifetime
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CN201220432297.5U
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Chinese (zh)
Inventor
张士岩
徐华
陈飞
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Shanghai Zhixin Rigang Electric Co ltd
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Shanghai Metglas Zhixin Amorphous Metals Co Ltd
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Abstract

The utility model provides a three box three column type amorphous alloy transformer iron core which comprises an external frame iron core and two internal frame iron cores, and the external frame iron core and the two internal iron cores are all made of a plurality of amorphous alloy strip materials, and the two internal frame iron cores are arranged inside the external frame iron core in parallel. The head-lapping portions of the external frame iron core and the two internal frame iron cores face to the same side, and the inner side surfaces of the inner frame iron cores and the outer side surface of the external frame iron core are provided with soundproof felts, the soundproof felts of the three box three column type amorphous alloy transformer iron core can effectively insulate the transmission route of noise of the iron core, and no stress is generated on the surface of the iron core, the noise of the three box three column type amorphous alloy transformer iron core is significantly reduced, and the three box three column type amorphous alloy transformer iron core is simple in craft, convenient to operate, low in cost and significant in noise reduction effect.

Description

The three-frame and three pole amorphous alloy transformer iron core
Technical field
The utility model relates to a kind of transformer core, relates in particular to a kind of three-frame and three pole amorphous alloy transformer iron core.
Background technology
The iron core of traditional transformer uses silicon steel sheet insulated from each other to build up, and makes eddy current in the loop of thin-and-long, by less cross section, to increase the resistance on the eddy current path, simultaneously, the silicon in the silicon steel increases the resistivity of material, also plays the effect that reduces eddy current.
Non-crystaline amorphous metal is the new material that utilizes flash set technology to make, has excellent soft magnet performance, silicon steel sheet, permalloy and ferritic regeneration product, existing multiplex in distribution transformer as transformer magnetic conduction magnetic circuit, it is compared with silicon steel and more is conducive to be magnetized and degaussing, thereby have good excitation property and iron loss characteristic, the amorphous alloy transformer platform is compared no-load loss decline about 80%, no-load current decline about 50% with existing S9 serial transformer, and energy-saving effect is remarkable.
Fig. 1 is the structural representation of existing three-frame and three pole amorphous alloy transformer iron core, as shown in Figure 1, this amorphous alloy transformer comprises housing iron core and two inside casing iron cores, the making material of described housing iron core and two inside casing iron cores is some amorphous alloy strips, described two inside casing iron cores are arranged side by side in described housing iron core, and the joining seam of described housing iron core and two inside casing iron cores part is towards the same side.Although this three-frame and three pole amorphous alloy transformer iron core energy-saving effect is remarkable, yet the transformer core that non-crystaline amorphous metal is made is applied it and is also had certain technical bottleneck because non-crystaline amorphous metal itself is intrinsic.For example, non-crystaline amorphous metal is very responsive to mechanical stress, therefore, after its fabrication design becomes transformer core, is that tensile stress or bending stress all can affect its magnetic property, thereby causes the reduction of transformer operating accuracy; The magnetostriction coefficient of non-crystaline amorphous metal is high more about 10% than silicon steel sheet, and the suffered constraint of the amorphous alloy iron core vibration that is caused by magnetostriction is smaller, and vibration level is relatively large, and the noise of corresponding generation also can be very large; Very crisp after the non-crystaline amorphous metal annealing, produce easily chip, puncture transformer coil and cause short trouble.
The utility model content
The purpose of this utility model provides a kind of three-frame and three pole amorphous alloy transformer iron core, to solve above-mentioned three-frame and three pole amorphous alloy transformer iron core owing to the problem that characteristic was caused of non-crystaline amorphous metal.
For solving the problems of the technologies described above, the utility model provides a kind of three-frame and three pole amorphous alloy transformer iron core, comprise housing iron core and two inside casing iron cores, the making material of described housing iron core and two inside casing iron cores is some amorphous alloy strips, described two inside casing iron cores are arranged side by side in described housing iron core, the joining seam part of described housing iron core and two inside casing iron cores also is provided with deadening felt towards the same side on the outer surface of the inner surface of described inside casing iron core and described housing iron core.
Further, described deadening felt is bonded in the inner surface of described inside casing iron core and the outer surface of described housing iron core by glue.
Further, above-mentioned three-frame and three pole amorphous alloy transformer iron core also comprises adhesive, described inside casing iron core and housing iron core are coated with adhesive in other parts except the joining seam part, described deadening felt with on other parts that joining seam partly contacts is not coated with adhesive yet, described deadening felt by adhesive bonds in the inner surface of described inside casing iron core and the outer surface of described housing iron core.
Further, the thickness range of described adhesive is 1-2mm.
Further, the preferred thickness of described adhesive is 1.2-1.5mm.
Further, described adhesive is two component epoxy glue.
Further, also contain flexibilizer in the described adhesive, itself and described two component epoxy glue are combined to form adhesive.
Further, the thickness range of described deadening felt is 0.5-2mm.
Further, the preferred thickness of described deadening felt is 1-1.5mm.
Further, the thickness of described deadening felt is identical with the thickness of every amorphous alloy strips.
Compared with prior art, the utlity model has following beneficial effect:
The three-frame and three pole amorphous alloy transformer iron core that the utility model provides has mainly increased deadening felt on the basis of existing technology, described deadening felt is arranged on the outer surface of the inner surface of inside casing iron core and housing iron core, the employed deadening felt of the utility model, it simultaneously adheres to glue and is used for being bonded in inside casing iron core and housing iron core, the another side surface is flexible wool spinning material, it has certain pliable and tough compressibility, therefore this deadening felt can not increase the size of three-frame and three pole amorphous alloy transformer iron core too much, do not affect the assembling of transformer coil, and it can completely cut off the route of transmission of three-frame and three pole amorphous alloy transformer iron core noise, the operation noise of transformer is significantly reduced, can reach below the 45dB, be better than the requirement of national standard.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the structural representation of existing three-frame and three pole amorphous alloy transformer iron core;
The structural representation of the three-frame and three pole amorphous alloy transformer iron core that Fig. 2 provides for the utility model embodiment;
Fig. 3 is the partial enlarged drawing that A is ordered among Fig. 2.
In Fig. 1 to Fig. 3,
1: the housing iron core; 2: the inside casing iron core; 3: the joining seam part; 4: deadening felt; 5: adhesive.
Embodiment
Below in conjunction with the drawings and specific embodiments the three-frame and three pole amorphous alloy transformer iron core that the utility model proposes is described in further detail.According to the following describes and claims, advantage of the present utility model and feature will be clearer.It should be noted that accompanying drawing all adopts very the form of simplifying and all uses non-accurately ratio, only in order to convenient, the purpose of aid illustration the utility model embodiment lucidly.
Core concept of the present utility model is, a kind of three-frame and three pole amorphous alloy transformer iron core is provided, it has increased deadening felt on the basis of existing technology, described deadening felt is arranged on the outer surface of the inner surface of inside casing iron core and housing iron core, the employed deadening felt of the utility model, it simultaneously adheres to glue and is used for being bonded in inside casing iron core and housing iron core, the another side surface is flexible wool spinning material, it has certain pliable and tough compressibility, therefore this deadening felt can not increase the size of three-frame and three pole amorphous alloy transformer iron core too much, do not affect the assembling of transformer coil, and it can completely cut off the route of transmission of three-frame and three pole amorphous alloy transformer iron core noise, the operation noise of transformer is significantly reduced, can reach below the 45dB, be better than the requirement of national standard.
Please refer to Fig. 2 and Fig. 3, the structural representation of the three-frame and three pole amorphous alloy transformer iron core that Fig. 2 provides for the utility model embodiment; Fig. 3 is the partial enlarged drawing that A is ordered among Fig. 2.
Please emphasis referring to figs. 2 and 3, as shown in Figures 2 and 3, the utility model embodiment provides a kind of three-frame and three pole amorphous alloy transformer iron core, comprise housing iron core 1 and two inside casing iron cores 2, the making material of described housing iron core 1 and two inside casing iron cores 2 is some amorphous alloy strips, described two inside casing iron cores 2 are arranged side by side in described housing iron core 1, the joining seam part 3 of described housing iron core 1 and two inside casing iron cores 2 also is provided with deadening felt 4 towards the same side on the outer surface of the inner surface of described inside casing iron core 2 and described housing iron core 1.
Further, above-mentioned three-frame and three pole amorphous alloy transformer iron core also comprises adhesive 5, described inside casing iron core 2 and housing iron core 1 are coated with adhesive 5 in other parts except joining seam part 3, described deadening felt 4 with on other parts that joining seam part 3 contacts is not coated with adhesive 5 yet, and described deadening felt 4 is bonded in the inner surface of described inside casing iron core 2 and the outer surface of described housing iron core 1 by adhesive 5.
The three-frame and three pole amorphous alloy transformer iron core that the utility model embodiment provides has mainly increased deadening felt 4 and adhesive 5 on the basis of existing technology, deadening felt 4 is arranged on the outer surface of the inner surface of inside casing iron core 2 and housing iron core 1, adhesive 5 be coated on described inside casing iron core 2 and housing iron core 1 other parts except joining seam part 3 and deadening felt 4 not with other parts that joining seam part 3 contacts on.The employed deadening felt 4 of the utility model, its one side attachment glue 5 is used for being bonded in inside casing iron core 2 and housing iron core 1, the another side surface is flexible wool spinning material, it has certain pliable and tough compressibility, therefore this deadening felt 4 can not increase the size of three-frame and three pole amorphous alloy transformer iron core too much, do not affect the assembling of transformer coil, and it can completely cut off the route of transmission of three-frame and three pole amorphous alloy transformer iron core noise, the operation noise of transformer significantly is reduced to below the 45dB, is better than the requirement of national standard; The employed adhesive 5 of the utility model can be under the prerequisite of not obvious increase three-frame and three pole amorphous alloy transformer core dimensions, effectively this three-frame and three pole amorphous alloy transformer iron core is coated with envelope, it is flexible after this adhesive 5 solidifies, heat resistance is good, make inside casing iron core 2 or housing iron core 1 surface be difficult for producing stress, be conducive to reduce the noise that this three-frame and three pole amorphous alloy transformer iron core produces, this three-frame and three pole amorphous alloy transformer iron core has been avoided because the amorphous fragment, separating out of chip and the transformer coil short trouble that causes.
Further, the thickness range of described adhesive 5 is 1-2mm, its preferred thickness is 1.2-1.5mm, adhesive 5 in thickness range can be on the basis that does not increase whole three-frame and three pole amorphous alloy transformer core dimensions, the noise that the isolated characteristic that easily shakes owing to non-crystaline amorphous metal produces, and make this three-frame and three pole amorphous alloy transformer iron core avoid separating out owing to amorphous fragment, chip the short trouble problem of the transformer coil that causes.
Further, main component is two component epoxy glue in the described adhesive 5, it also contains a small amount of flexibilizer, described flexibilizer and described two component epoxy glue are combined to form adhesive 5, this two component epoxy glue not only can play the effect of glue, can also completely cut off the amorphous alloy strips vibrations that produce and the chip of separating out, flexibilizer can be avoided epoxy surface fracture, increases the intensity of this adhesive 5.
Further, the thickness of described deadening felt 4 is identical with the thickness of every amorphous alloy strips, its thickness range is 0.5-2mm, its preferred thickness is 1-1.5mm, deadening felt 4 in thickness range can not affect on the basis that this three-frame and three pole amorphous alloy transformer iron core is installed and transformer coil assembles, the route of transmission of isolated three-frame and three pole amorphous alloy transformer iron core noise is reduced the operation noise of transformer significantly.
Obviously, those skilled in the art can carry out various changes and distortion to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.

Claims (10)

1. three-frame and three pole amorphous alloy transformer iron core, comprise housing iron core and two inside casing iron cores, the making material of described housing iron core and two inside casing iron cores is some amorphous alloy strips, described two inside casing iron cores are arranged side by side in described housing iron core, the joining seam part of described housing iron core and two inside casing iron cores is towards the same side, it is characterized in that, also be provided with deadening felt on the outer surface of the inner surface of described inside casing iron core and described housing iron core.
2. described three-frame and three pole amorphous alloy transformer iron core according to claim 1 is characterized in that described deadening felt is bonded in the inner surface of described inside casing iron core and the outer surface of described housing iron core by glue.
3. described three-frame and three pole amorphous alloy transformer iron core according to claim 1 and 2, it is characterized in that, also comprise adhesive, described inside casing iron core and housing iron core are coated with adhesive in other parts except the joining seam part, described deadening felt with on other parts that joining seam partly contacts is not coated with adhesive yet, described deadening felt by adhesive bonds in the inner surface of described inside casing iron core and the outer surface of described housing iron core.
4. described three-frame and three pole amorphous alloy transformer iron core according to claim 3 is characterized in that the thickness range of described adhesive is 1-2mm.
5. described three-frame and three pole amorphous alloy transformer iron core according to claim 4 is characterized in that the preferred thickness of described adhesive is 1.2-1.5mm.
6. described three-frame and three pole amorphous alloy transformer iron core according to claim 3 is characterized in that described adhesive is two component epoxy glue.
According to claim 6 described in the three-frame and three pole amorphous alloy transformer iron core, it is characterized in that also contain flexibilizer in the described adhesive, itself and described two component epoxy glue are combined to form adhesive.
8. described three-frame and three pole amorphous alloy transformer iron core according to claim 1 and 2 is characterized in that the thickness range of described deadening felt is 0.5-2mm.
9. described three-frame and three pole amorphous alloy transformer iron core according to claim 8 is characterized in that the preferred thickness of described deadening felt is 1-1.5mm.
10. described three-frame and three pole amorphous alloy transformer iron core according to claim 1 and 2 is characterized in that the thickness of described deadening felt is identical with the thickness of every amorphous alloy strips.
CN201220432297.5U 2012-08-28 2012-08-28 Three box three column type amorphous alloy transformer iron core Expired - Lifetime CN202771920U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103531334A (en) * 2013-11-02 2014-01-22 国家电网公司 Silicon steel sheet surrounding type amorphous alloy iron cores
CN103632815A (en) * 2012-08-28 2014-03-12 上海日港置信非晶体金属有限公司 Three-frame and three-column type amorphous alloy transformer iron core
CN104795213A (en) * 2015-04-21 2015-07-22 华夏恒业变压器有限公司 Amorphous alloy dry type transformer of novel structure
CN105244146A (en) * 2015-11-09 2016-01-13 国家电网公司 Amorphous alloy dry-type transformer with novel structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103632815A (en) * 2012-08-28 2014-03-12 上海日港置信非晶体金属有限公司 Three-frame and three-column type amorphous alloy transformer iron core
CN103531334A (en) * 2013-11-02 2014-01-22 国家电网公司 Silicon steel sheet surrounding type amorphous alloy iron cores
CN104795213A (en) * 2015-04-21 2015-07-22 华夏恒业变压器有限公司 Amorphous alloy dry type transformer of novel structure
CN105244146A (en) * 2015-11-09 2016-01-13 国家电网公司 Amorphous alloy dry-type transformer with novel structure

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C14 Grant of patent or utility model
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: No. 1028 Tianshan Road, Changning District, Shanghai, 2003

Patentee after: SHANGHAI ZHIXIN RIGANG ELECTRIC Co.,Ltd.

Address before: 2035 No. 1028 Tianshan Road, Changning District, Shanghai

Patentee before: SHANGHAI RIGANG ZHIXIN AMORPHOUS METAL Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20130306