CN101197206B - Low-noise dry type arc suppression coil and method for reducing noise of arc suppression coil - Google Patents
Low-noise dry type arc suppression coil and method for reducing noise of arc suppression coil Download PDFInfo
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- CN101197206B CN101197206B CN2007103002827A CN200710300282A CN101197206B CN 101197206 B CN101197206 B CN 101197206B CN 2007103002827 A CN2007103002827 A CN 2007103002827A CN 200710300282 A CN200710300282 A CN 200710300282A CN 101197206 B CN101197206 B CN 101197206B
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Abstract
The invention relates to a low noise dry type arc suppression coil which comprises an iron core provide with not less than one air gap, an air gap backing plate, a coil, an upper cushion block, a lower cushion block, a pressing nail and a fastening bolt. A method to reduce the noise of the arc suppression coil is characterized by including the following steps: firstly, an iron core cake, an upper iron core yoke and a lower iron core yoke in an iron core stem are spliced and solidified together; secondly, the coil is sleeved on the iron core stem, and then the upper cushion block and the upper iron core yoke are placed on the iron core stem and then fastened by the fastening bolt, then reactance measurement is performed. The invention has the advantages that: firstly, not less than one holes are drilled on the air gap backing plate so as to make the air gap backing plate to be spliced and solidified with the iron core (cake) fully; secondly, the design of a beam makes the air gaps (epoxy glass-cloth laminate) evenly stressed when a machine body is fastened with the fastening bolt; thirdly, all the air gaps in the iron core stem, including the epoxy glass-cloth laminate, are solidified with the iron core effectively, thereby well limiting the noise of the dry type arc suppression coil.
Description
(1) technical field:
The invention belongs to the arc suppression coil technical field, the method for especially a kind of low-noise dry type arc suppression coil and reduction noise of arc suppression coil.
(2) background technology:
The noise of arc suppression coil depends on iron core, all is provided with several air gaps on the iron core column of arc suppression coil.At present, known treating method has two kinds, first kind: the air gap on the iron core column (epoxy resin bonded fiber) does not deal with, directly with drawing screw rod that iron core and air gap (epoxy resin bonded fiber) are compressed; Second kind: iron core iron yoke, stem stem closed assembly respectively, stem stem (containing air gap) is integrated poured, but two air gaps that still have stem stem to contact with upper and lower iron yoke during assembling can't pour into a mould, and the dry type arc suppression coil noise that is used for these two kinds of form iron cores is all bigger.
(3) summary of the invention:
The object of the present invention is to provide the method for a kind of low-noise dry type arc suppression coil and reduction noise of arc suppression coil, it can overcome in the existing dry type arc suppression coil iron core column air gap can not all pour into a mould the big deficiency of bringing of noise of arc suppression coil, all air gaps in its iron core column, comprise epoxy resin bonded fiber, all be solidified togather effectively, thereby limited the noise in the dry type arc suppression coil well with iron core.
Technical scheme of the present invention: a kind of low-noise dry type arc suppression coil, by having iron core, air gap backing plate, coil, last cushion block, lower cushion block, the pressure nail that is no less than an air gap and drawing screw rod to form, wherein iron core is divided into iron core column, iron core cake, upper core yoke and lower core yoke four parts formation, the air gap backing plate places between the iron core column and iron core cake of iron core, coil is placed in outside the iron core, last cushion block is according to pressing nail to be pressed on the coil, coil is pressed on the lower cushion block, draws screw rod to be connected with the lower core yoke with the upper core yoke of iron core respectively; It is characterized in that the integral body that upper core yoke, iron core column, air gap backing plate, iron core cake and the lower core yoke of said iron core are solidified togather according to the adhesive solidification agent.
The beam of pressure is arranged on the upper core yoke of above-mentioned said iron core, press beam insulation and upper clamping piece, the insulation of the beam of pressure is arranged between the support round steel of wherein said pressure beam and upper clamping piece, press beam and upper clamping piece together according to bolted.
The lower core yoke of above-mentioned said iron core has lower clamping piece and base.
Be drilled with on the above-mentioned said air gap backing plate and be no less than one hole.
Above-mentioned said air gap backing plate is an epoxy resin bonded fiber.
A kind of method that reduces noise of arc suppression coil is characterized in that it may further comprise the steps:
1. earlier with iron core cake, the upper core yoke of all air gaps except that uppermost air gap and iron core in the iron core column with the lower core yoke is bonding is solidified togather;
2. coil is enclosed within on the iron core column, cushion block, upper core yoke in the placement are tested with carrying out reactance after the stretching screw tension, and adjust the iron core column thickness of air gap topmost according to test result, till meeting the requirements of reactance;
3. at last with uppermost air gap with the bonding curing of iron core, this moment, all pressure nail unclamped, and drew the screw rod tension all, wait all air gaps and iron core fully to solidify after, will press again to follow closely to compress, finish the process of this reduction noise of arc suppression coil.
Superiority of the present invention is: 1. be drilled with on the air gap backing plate and be no less than one hole, so that abundant bonding curing between air gap backing plate and the iron core (cake); When 2. pressing the design of beam to make that the assembling of device body is fastening to draw screw rod, make air gap (epoxy resin bonded fiber) stressed evenly; 3. all air gaps in the iron core column comprise epoxy resin bonded fiber, all are solidified togather effectively with iron core, thereby have limited the noise in the dry type arc suppression coil well.
(4) description of drawings:
Fig. 1 is the structural representation of the related a kind of low-noise dry type arc suppression coil of the present invention;
Fig. 2 is the iron core assembling schematic diagram of the related a kind of low-noise dry type arc suppression coil of the present invention;
Fig. 3 is the structural representation of air gap backing plate in the iron core in the related a kind of low-noise dry type arc suppression coil of the present invention;
Fig. 4 presses the structural representation of beam for the iron core of the related a kind of low-noise dry type arc suppression coil of the present invention.
Wherein, 1 is the upper core yoke, and 2 for pressing nail, and 3 is last cushion block, and 4 is coil, and 5 is lower cushion block, 6 is the lower core yoke, and 7 is upper clamping piece, and 8 for drawing screw rod, and 9 is the iron core cake, and 10 is the air gap backing plate, and 11 is lower clamping piece, 12 is base, and 13 for pressing beam, and 14 for pressing the beam insulation, and 15 for supporting round steel, and 16 is iron core column.
(5) embodiment:
Embodiment: a kind of low-noise dry type arc suppression coil (see figure 1), by having iron core, air gap backing plate 10, coil 4, last cushion block 3, lower cushion block 5, the pressure nail 2 that is no less than an air gap and drawing screw rod 8 to form, wherein the iron core (see figure 2) is divided into iron core column 16, iron core cake 9, upper core yoke 1 and lower core yoke 6 four parts formation, air gap backing plate 10 places 9 of the iron core column 16 of iron core and iron core cakes, coil 4 is placed in outside the iron core, last cushion block 3 is according to pressing nail 2 to be pressed on the coil 4, coil 4 is pressed on the lower cushion block 5, draws screw rod 8 to be connected with lower core yoke 6 with the upper core yoke 1 of iron core respectively; It is characterized in that the integral body that upper core yoke 1, iron core column 16, air gap backing plate 10, iron core cake 9 and the lower core yoke 6 of said iron core are solidified togather according to the adhesive solidification agent.
The beam of pressure 13 (see figure 4)s, the insulation 14 of pressure beam and upper clamping piece 7 are arranged on the upper core yoke 1 of above-mentioned said iron core, the beam of pressure insulation 14 is arranged between the support round steel 15 of wherein said pressure beam 13 and upper clamping piece 7, press beam 13 and upper clamping piece 7 together according to bolted.
The lower core yoke 6 of above-mentioned said iron core has lower clamping piece 11 and base 12.
Be drilled with on the above-mentioned said air gap backing plate 10 and be no less than one hole.(see figure 3)
Above-mentioned said air gap backing plate 10 is an epoxy resin bonded fiber.(see figure 3)
A kind of method that reduces noise of arc suppression coil is characterized in that it may further comprise the steps:
1. elder generation is with iron core cake 9, upper core yoke 1 and lower core yoke 6 bonding being solidified togather of all air gaps except that uppermost air gap and iron core in the iron core column 16;
2. coil 4 is enclosed within on the iron core column 16, cushion block 3, upper core yoke 1 in the placement are tested with carrying out reactance after stretching screw 8 tensions, and are adjusted iron core column 16 thickness of air gaps topmost according to test result, till meeting the requirements of reactance;
3. at last with uppermost air gap with the bonding curing of iron core, this moment, all pressure nail 2 unclamped, and drew screw rod 8 tensions all, wait all air gaps and iron core fully to solidify after, will press again and follow closely 2 and compress, finish the process of this reduction noise of arc suppression coil.
Claims (6)
1. low-noise dry type arc suppression coil, by having iron core, air gap backing plate, coil, last cushion block, lower cushion block, the pressure nail that is no less than an air gap and drawing screw rod to form, wherein iron core is divided into iron core column, iron core cake, upper core yoke and lower core yoke four parts formation, the air gap backing plate places between the iron core column and iron core cake of iron core, coil is placed in outside the iron core, last cushion block is according to pressing nail to be pressed on the coil, and coil is pressed on the lower cushion block, draws screw rod to be connected with the lower core yoke with the upper core yoke of iron core respectively; It is characterized in that the integral body that upper core yoke, iron core column, air gap backing plate, iron core cake and the lower core yoke of said iron core are solidified togather according to the adhesive solidification agent; Be drilled with on the said air gap backing plate and be no less than one hole.
2. according to said a kind of low-noise dry type arc suppression coil in the claim 1, it is characterized in that the beam of pressure is arranged on the upper core yoke of said iron core, press beam insulation and upper clamping piece, the insulation of the beam of pressure is arranged between the support round steel of wherein said pressure beam and upper clamping piece, press beam and upper clamping piece together according to bolted.
3. according to said a kind of low-noise dry type arc suppression coil in the claim 1, it is characterized in that the lower core yoke of said iron core has lower clamping piece and base.
4. according to said a kind of low-noise dry type arc suppression coil in the claim 1, it is characterized in that the said screw rod that draws is three of every sides.
5. according to said a kind of low-noise dry type arc suppression coil in the claim 1, it is characterized in that said air gap backing plate is an epoxy resin bonded fiber.
6. method that reduces noise of arc suppression coil is characterized in that it may further comprise the steps:
1. earlier with iron core cake, the upper core yoke of all air gaps except that uppermost air gap and iron core in the iron core column with the lower core yoke is bonding is solidified togather;
2. coil is enclosed within on the iron core column, cushion block, upper core yoke in the placement are tested with carrying out reactance after the stretching screw tension, and adjust the iron core column thickness of air gap topmost according to test result, till meeting the requirements of reactance;
3. at last with uppermost air gap with the bonding curing of iron core, this moment, all pressure nail unclamped, and drew the screw rod tension all, wait all air gaps and iron core fully to solidify after, will press again to follow closely to compress, finish the process of this reduction noise of arc suppression coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103002827A CN101197206B (en) | 2007-05-30 | 2007-12-26 | Low-noise dry type arc suppression coil and method for reducing noise of arc suppression coil |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200720096163.X | 2007-05-30 | ||
| CN200720096163 | 2007-05-30 | ||
| CN2007103002827A CN101197206B (en) | 2007-05-30 | 2007-12-26 | Low-noise dry type arc suppression coil and method for reducing noise of arc suppression coil |
Publications (2)
| Publication Number | Publication Date |
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| CN101197206A CN101197206A (en) | 2008-06-11 |
| CN101197206B true CN101197206B (en) | 2011-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007103002827A Expired - Fee Related CN101197206B (en) | 2007-05-30 | 2007-12-26 | Low-noise dry type arc suppression coil and method for reducing noise of arc suppression coil |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103456460A (en) * | 2013-08-13 | 2013-12-18 | 无锡市锡容电力电器有限公司 | Novel electric reactor for low-voltage active filter device |
| CN106298140B (en) * | 2016-08-23 | 2018-03-27 | 安徽广正电气科技有限公司 | Oil immersed type arc suppression coil |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201134671Y (en) * | 2007-05-30 | 2008-10-15 | 天津天能变压器有限公司 | Low noise dry-type arc-suppressing coil |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201134671Y (en) * | 2007-05-30 | 2008-10-15 | 天津天能变压器有限公司 | Low noise dry-type arc-suppressing coil |
Non-Patent Citations (6)
| Title |
|---|
| 姜宏伟.气隙调感式消弧线圈结构设计及计算.变压器39 2.2002,39(2),5-7. |
| 姜宏伟.气隙调感式消弧线圈结构设计及计算.变压器39 2.2002,39(2),5-7. * |
| 徐晓毅.接地电抗器（消弧线圈）噪声分析和控制.现代机械 2.1996,(2),42,44. |
| 徐晓毅.接地电抗器(消弧线圈)噪声分析和控制.现代机械 2.1996,(2),42,44. * |
| 李景禄.ZXB系列补偿消弧装置的噪声控制.变压器36 5.1999,36(5),25-26. |
| 李景禄.ZXB系列补偿消弧装置的噪声控制.变压器36 5.1999,36(5),25-26. * |
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| CN101197206A (en) | 2008-06-11 |
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