CN101447318A - Lapped amorphous single core with noise reduction function of epoxy coating and with approximate-circle cross-section - Google Patents
Lapped amorphous single core with noise reduction function of epoxy coating and with approximate-circle cross-section Download PDFInfo
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- CN101447318A CN101447318A CNA2008101141745A CN200810114174A CN101447318A CN 101447318 A CN101447318 A CN 101447318A CN A2008101141745 A CNA2008101141745 A CN A2008101141745A CN 200810114174 A CN200810114174 A CN 200810114174A CN 101447318 A CN101447318 A CN 101447318A
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Abstract
The invention relates to a lapped amorphous single core with noise reduction function of epoxy coating and with an approximate-circle cross-section. The lapped amorphous single core is formed by packing a plurality of amorphous core plates in sequence and is characterized in that the epoxy coating is coated at least on part of the area of the front end surface and the back end surface of the lapped amorphous core; the amorphous core plates are divided into a plurality of lapped groups with different lengths, the two ends of one lapped group are lapped at the bonding land of the core to form a lapped section, the lapped section of any lapped group has one misplacement with the lapped section of the adjacent lapped group along the tangential direction of the core, the outer-layer end of any lapped section is lapped with the inner-layer end of the lapped section arranged outside the any lapped section, and a gap is kept between the outer-layer end and the inner-layer end; the amorphous core plates also have different widths, wherein, the amorphous core plates in the middle of a core limb are wider than the amorphous core plates at the two sides of the core limb. The lapped amorphous single core of the invention has good effect of magnetic conduction, is beneficial to saving the usage of copper in a coil, prevents the insulating materials of the coil from being damaged by extrusive corner angles, reduces the noise and is mainly used in various amorphous transformers.
Description
Technical field
The present invention relates to a kind of cross section approximate circle amorphous singlecore of bridging type of noise reduction function of epoxy coating, belong to technical field of electricity.
Technical background
Amorphous core is folded built in together by several layers amorphous core sheet, form the electromagnetic field loop of a closure, be used on equipment such as transformer, transmitting magnetic flux, on the core limb of both sides unshakable in one's determination, put coil, produce alternating magnetic field behind the coil electricity, by iron core the magnetic flux in this magnetic field is passed to another coil to form induced current, realize the effect of energy delivery and transformation thus, the width of each layer amorphous core sheet all is identical in the amorphous core at present, the cross section of Xing Chenging is rectangular thus, the loop coil that is enclosed within on the core limb also should be rectangular, could adapt with the shape of core limb.Adopt this core construction, the copper consumption of coil is bigger, and the corner angle of corner unshakable in one's determination damage the insulating material on the coil easily.
Summary of the invention
For overcoming the above-mentioned defective of prior art, the invention provides a kind of cross section approximate circle amorphous singlecore of bridging type of noise reduction function of epoxy coating, adopt this iron core to help reducing the copper consumption of coil, and cause damage can for the insulating material of coil, and help reducing noise.
The present invention realizes that the technical scheme of above-mentioned purpose is: the cross section approximate circle amorphous singlecore of a kind of bridging type of noise reduction function of epoxy coating, form by the folded successively system of some amorphous core sheets, be coated with epoxy coating to the small part area on its front/rear end, described some amorphous core sheets are divided into some overlap joint groups that are uneven in length, the two ends of same overlap joint group overlap mutually in bonding land unshakable in one's determination, form an overlap joint section, the overlap joint section of overlap joint group has a dislocation with the overlap joint section of adjacent overlap joint group on tangential direction unshakable in one's determination arbitrarily, dock mutually the internal layer termination that any outer termination that overlaps section is located on the overlap joint section in its outside, leave a slit between the two, described some amorphous core sheets also have different width, and the width of amorphous core sheet that is positioned at the core limb mid portion is greater than the width of the amorphous core sheet that is positioned at the core limb both sides.
The invention has the beneficial effects as follows: owing on the front/rear end of iron core, be provided with epoxy coating, each lamination is bonded together, make it and to scatter, improved bulk strength unshakable in one's determination thus, reduced noise by epoxy coating; Because the epoxy resin that adopts has certain pliability, can not cause excessive stress on iron core; Owing to laminate mutually between the amorphous core sheet of same overlap joint group, there is not seam, because the slit between the different overlap joint groups does not interconnect, slit, termination between all overlap joint groups is all covered or blocks by the amorphous core sheet of both sides inside and outside it, therefore the joint of iron core self can not hinder the transmission to magnetic flux, has overcome thus because the adverse effect that the termination seam is brought to amorphous core; Owing to be positioned at the width difference of the lamination of core limb different parts, formed the shape that is similar to circular arc of intermediate projections at the two ends of core limb cross section, the corresponding two ends that are enclosed within the coil on the core limb also are the shape of approximate circular arc, under identical area of section, the girth of the coil of this shape is little, helps saving the copper consumption of coil; In addition, want level and smooth many, do not have the sort of very outstanding rectangle corner angle, so should not damage the insulating material of coil because existing relatively square-section, the edge of core limb is unshakable in one's determination.
Description of drawings
Fig. 1 is the partial cross section unshakable in one's determination structural representation that the present invention relates to the core limb cross sectional shape;
Fig. 2 is the core section structural representation that the present invention relates to the core limb cross sectional shape;
Fig. 3 is the main TV structure schematic diagram that the present invention relates to overlapping mode.
Embodiment
Referring to Fig. 1-3, the invention provides a kind of cross section approximate circle amorphous singlecore of bridging type of noise reduction function of epoxy coating, form by the folded successively system of some amorphous core sheets, be coated with epoxy coating 700 to the small part area on its front/rear end, described some amorphous core sheets are divided into some overlap joint groups that are uneven in length, the two ends of same overlap joint group overlap mutually in bonding land unshakable in one's determination, form an overlap joint section 301, the overlap joint section of overlap joint group has a dislocation with the overlap joint section of adjacent overlap joint group on tangential direction unshakable in one's determination arbitrarily, dock mutually the internal layer termination that any outer termination that overlaps section is located on the overlap joint section in its outside, leave a slit 302 between the two, described some amorphous core sheets also have different width, and the width of amorphous core sheet that is positioned at the core limb mid portion is greater than the width of the amorphous core sheet that is positioned at the core limb both sides.
Described epoxy coating can cover does not need all areas of taking apart on the end face of iron core, also can cover the emphasis part of influence bulk strength unshakable in one's determination and noise, can also adopt the mode of bar shaped coating, the bar shaped epoxy coating at the some coupling parts of coating or whole amorphous core sheet edges on end face of iron core, these bar shaped epoxy coatings are coupling part or whole edges of amorphous core sheets on end face of iron core, both arrive fixedly amorphous core sheet purpose, saved the consumption of epoxy resin again.
The overlap joint section of described each overlap joint group can be on tangential direction unshakable in one's determination an alternate successively fixing angle or fixing distance, formed the stepped distribution of each overlap joint section thus.If the short circuit seam of adjacent overlap joint group is spacedly distributed on two opposite tangential directions respectively, forms the stepped distribution mode of two correspondences of overlap joint section therewith.
Described amorphous core sheet can also be divided into some wide group, and the width of same wide group of each interior amorphous core sheet equates, under the situation that guarantees actual effect, reduces difficulty of processing as much as possible thus.
Can comprise several overlap joint groups in described same wide group.
Because this wide group setting, the cross sectional shape of described core limb can be about symmetrical, and two ends are the stairstepping of symmetry.
For example, described amorphous core sheet can be divided into six wide group 111,112,113,121,122,123, width equates in twos, two wide group 113,123 the amorphous core sheet that is arranged in the core limb mid portion is the wideest, two wide group 111,121 the amorphous core sheet that is arranged in the core limb both sides is the narrowest, and two wide group 112,122 the amorphous core sheet width that is arranged between the two is placed in the middle.
Also can adopt the packet mode of other laminations, for example be divided into eight groups or four groups.When being divided into eight groups, in the both sides of the symmetrical center line in core limb cross section wide group of the fourth class is arranged respectively, different wide group width reduces to both sides successively from symmetrical center line, has formed the stepped of symmetry thus; When being divided into four groups, the width of two wide group amorphous core sheet that is positioned at the core limb mid portion is greater than the width of two wide group of amorphous core sheets that are positioned at both sides.
Wide group number of packet is many more, and the core limb cross-sectional shape is level and smooth more, the trouble more but processing is got up.Therefore can take all factors into consideration the packet mode of lamination according to the performance requirement of iron core, size and process equipment and the many-sided factor of processing quantity unshakable in one's determination, on cost and performance, obtain the balance point an of the best.
Stand out between each wide group should make that the shape at two ends, core limb cross section is a circular arc or other level and smooth arcs generally.
According to applicant's experiment, this amorphous core structure also helps improves performance unshakable in one's determination, helps reducing sectional area unshakable in one's determination, and then reduces consumption of materials unshakable in one's determination.
This amorphous core can adopt existing mode to make, and the amorphous steel band of employing different in width is sheared out the amorphous core sheet of different in width, can adopt existing various packaged type and joint design.
The main TV structure of this amorphous core is generally the straight-flanked ring of four angular distortions.Described core limb is two vertical sides of this straight-flanked ring.
Amorphous core of the present invention can be used for transformer or other similar products of twin coil singlecore.
Claims (9)
1. the cross section approximate circle amorphous singlecore of the bridging type of a noise reduction function of epoxy coating, form by the folded successively system of some amorphous core sheets, it is characterized in that to the small part area, being coated with epoxy coating on its front/rear end, described some amorphous core sheets are divided into some overlap joint groups that are uneven in length, the two ends of same overlap joint group overlap mutually in bonding land unshakable in one's determination, form an overlap joint section, the overlap joint section of overlap joint group has a dislocation with the overlap joint section of adjacent overlap joint group on tangential direction unshakable in one's determination arbitrarily, dock mutually the internal layer termination that any outer termination that overlaps section is located on the overlap joint section in its outside, leave a slit between the two, described some amorphous core sheets also have different width, and the width of amorphous core sheet that is positioned at the core limb mid portion is greater than the width of the amorphous core sheet that is positioned at the core limb both sides.
2. the cross section approximate circle amorphous singlecore of the bridging type of noise reduction function of epoxy coating as claimed in claim 1, it is characterized in that described epoxy coating is some bar shapeds, described bar shaped annular resin layer connects the edge of described part or all of amorphous core sheet on end face of iron core.
3. the cross section approximate circle amorphous singlecore of the bridging type of noise reduction function of epoxy coating as claimed in claim 1, the overlap joint section an alternate successively fixing angle or the fixing distance on tangential direction unshakable in one's determination that it is characterized in that described each overlap joint group have formed the stepped distribution of each overlap joint section thus.
4. the cross section approximate circle amorphous singlecore of the bridging type of noise reduction function of epoxy coating as claimed in claim 1, the short circuit seam that it is characterized in that described adjacent overlap joint group is spacedly distributed on two opposite tangential directions respectively, forms the stepped distribution mode of two correspondences of overlap joint section therewith.
5. as the cross section approximate circle amorphous singlecore of bridging type of claim 1,2,3 or 4 described noise reduction function of epoxy coating, it is characterized in that described amorphous core sheet is divided into some groups, the width of same group amorphous core sheet equates.
6. the cross section approximate circle amorphous singlecore of the bridging type of noise reduction function of epoxy coating as claimed in claim 5 is characterized in that the cross sectional shape of described core limb is about symmetrical, and two ends are the stairstepping of symmetry.
7. the cross section approximate circle amorphous singlecore of the bridging type of noise reduction function of epoxy coating as claimed in claim 6, it is characterized in that described amorphous core sheet is divided into six groups, width equates in twos, and two groups of wherein being positioned at the core limb mid portion are the wideest, and two groups of being positioned at the core limb both sides are the narrowest.
8. the cross section approximate circle amorphous singlecore of the bridging type of noise reduction function of epoxy coating as claimed in claim 6, it is characterized in that described amorphous core sheet is divided into eight groups, both sides at the symmetrical center line in core limb cross section respectively are four groups, and width of each group reduces to both sides successively from symmetrical center line.
9. the cross section approximate circle amorphous singlecore of the bridging type of noise reduction function of epoxy coating as claimed in claim 6 is characterized in that described amorphous core sheet is divided into four groups, and two groups the width that wherein is positioned at the core limb mid portion is greater than two groups the width that is positioned at both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101141745A CN101447318A (en) | 2008-05-30 | 2008-05-30 | Lapped amorphous single core with noise reduction function of epoxy coating and with approximate-circle cross-section |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101141745A CN101447318A (en) | 2008-05-30 | 2008-05-30 | Lapped amorphous single core with noise reduction function of epoxy coating and with approximate-circle cross-section |
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| Publication Number | Publication Date |
|---|---|
| CN101447318A true CN101447318A (en) | 2009-06-03 |
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| CNA2008101141745A Pending CN101447318A (en) | 2008-05-30 | 2008-05-30 | Lapped amorphous single core with noise reduction function of epoxy coating and with approximate-circle cross-section |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108257764A (en) * | 2018-01-25 | 2018-07-06 | 江苏国能合金科技有限公司 | Amorphous transformer iron core |
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2008
- 2008-05-30 CN CNA2008101141745A patent/CN101447318A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108257764A (en) * | 2018-01-25 | 2018-07-06 | 江苏国能合金科技有限公司 | Amorphous transformer iron core |
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Application publication date: 20090603 |