CN103531355A - Power capacitor with core vibration absorbers - Google Patents
Power capacitor with core vibration absorbers Download PDFInfo
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- CN103531355A CN103531355A CN201310428010.0A CN201310428010A CN103531355A CN 103531355 A CN103531355 A CN 103531355A CN 201310428010 A CN201310428010 A CN 201310428010A CN 103531355 A CN103531355 A CN 103531355A
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- capacitor
- dividing plate
- vibration absorber
- fuse
- vibration
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Abstract
The invention provides a power capacitor with core vibration absorbers. The power capacitor is provided with a capacitor box body (2), wherein a wiring terminal (1) is arranged at the top of the capacitor box body (2); the capacitor box body (2) is internally provided with insulating oil (3); the capacitor box body (2) is internally provided with an upper core clamping piece (11), an upper vibration absorber, a capacitor core (4), a lower vibration absorber and a lower core clamping piece (9) in sequence from top to bottom; and the upper core clamping piece (11) and the lower core clamping piece (9) are respectively used for tightly pressing the upper vibration absorber and the lower vibration absorber on the upper end and the lower end of the capacitor core (4).
Description
Technical field
The invention belongs to electrical field power equipment damping technology, particularly a kind of power capacitor with fuse vibration absorber.
Background technology
Power capacitor is the visual plant in transformer station's power transmission and transformation system, and its main effect is that circuit is carried out to reactive power compensation, thereby improve, power factor is improved power supply quality, deboost raises, and protection power consumption equipment, reduces line loss and maintain reactive balance.Along with the raising day by day of China's rapid economic development and people's living standard, electrical network scale progressively expands, more and more higher to the requirement of the quality of power supply, and the application of power capacitor bank in electric power system is more and more extensive.In order to improve line power factor, suppress system power-frequency overvoltage, guarantee system safety stable operation, the power capacitor equipment that is absolutely necessary in transformer station.
Converting station electric power capacitor at actual motion can produce vibration.The vibration of power capacitor be by capacitor body pole plate under applied voltage effect, produce regular mechanical oscillation, by fastening folder and insulating oil, be delivered on shell.The propagation of this vibration is mainly along bottom and outlet casing tube both direction, and side vibration is mainly propagated by fuel tank, and vibration is not very outstanding.
In order to solve capacitor vibration and correlated noise problem, most relevant Chinese patents are only studied for the removal of noise, some noise reduction measures have been studied, though have certain effect to reducing capacitor device external noise, but weakening and isolating of capacitor internal vibration do not had to help, can not fundamentally solve vibration problem.Literature search shows that specially research and development for the sub-vibration damping of converting station electric power equipment replacement capacitor core assembly are still in blank, therefore the relevant power capacitor with internal vibration damping device of development become in the urgent need to.
Summary of the invention
The invention provides a kind of power capacitor with fuse vibration absorber, after its moulding, be directly installed on capacitor internal fuse, simple and convenient, obvious to the Vibration propagation isolation effect of base of capacitor and sleeve pipe direction, thereby reach reduce whole capacitor device vibration effect.
The present invention has adopted following technical scheme: a kind of power capacitor with fuse vibration absorber, it is provided with capacitor casing, top at capacitor casing is provided with binding post, in capacitor casing, be provided with insulating oil, described capacitor casing inside is provided with fuse folder, upper vibration absorber, capacitor body, lower vibration absorber and lower fuse folder from top to bottom successively, and upper fuse folder and lower fuse folder are pressed on upper vibration absorber and lower vibration absorber respectively the top and bottom of capacitor body.
Described upper vibration absorber from top to bottom comprises successively every dividing plate and upper rubber damping pad, above every dividing plate and upper rubber damping pad, matches, the upper upper end that is arranged on capacitor body after being seamless adhesion between dividing plate and upper rubber damping pad.Described lower vibration absorber from top to bottom comprise successively lower rubber damping pad and under every dividing plate, under every dividing plate and lower rubber damping pad, match, lower rubber damping pad and under after being seamless adhesion between dividing plate, be arranged on the lower end of capacitor body.The described upper steel plate that is set to hollow every dividing plate, is filled with damping material at upper hollow parts in dividing plate.Described upper damping material is foam aluminum vibration insulation and noise reduction material.Under described, every dividing plate, be set to the steel plate of hollow, under hollow parts in dividing plate be filled with lower damping material.Described lower damping material is foam aluminum vibration insulation and noise reduction material.
The present invention has following beneficial effect: adopted after above technical scheme, the present invention is provided with capacitor casing and insulating oil, at the upper and lower two ends of capacitor body, install vibration absorber and lower vibration absorber, upper vibration absorber and lower vibration absorber comprise respectively every dividing plate and upper rubber damping pad and under every dividing plate and lower rubber damping pad, upper every dividing plate and upper rubber damping pad and under every dividing plate and lower rubber damping pad, play the effect weakening with absorption capacitor internal vibration, and the present invention only changes the structure of inner core sub-folder part, do not affect capacitor surface structure, reasonable in design, simple in structure, good damping result, can in manufacturing, use by power capacitor, better economy, the scope of application of the present invention is extensive simultaneously, can be applied to the particular surroundingss such as high height above sea level, can not affect its serviceability and result of use.In the present invention every dividing plate and under after dividing plate is clamped by fastening folder, upper every dividing plate and under every the inside of dividing plate, be hollow parts, this is high can reduce vibration amplitude, plays the effect of absorption capacitor internal vibration.The present invention is provided with rubber damping pad and lower rubber damping pad, and upper rubber damping pad and lower rubber damping pad can be from source damping vibration amplitudes, and cost is low, instant effect, and also this rubber blanket has corrosion-resistant, high temperature high voltage resistant and vibration isolation effect.There is compatibility with capacitor oil, elastic damping is large, and degree of aging meets the demands during capacitor life-span.The complete imporosity of dividing plate of the present invention, mould one-shot forming can be passed through in outside, and its height and size dimension are definite according to different capacitor specifications and capacity and the fuse mode of connection, to obtain best effectiveness in vibration suppression.Of the present invention upper every dividing plate and under every dividing plate, also can in boring, be partially filled vibration and noise reducing material as required, to increase effect of vibration and noise reduction.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is every the internal structure schematic diagram of dividing plate in the present invention.
Fig. 3 is every the internal structure schematic diagram of dividing plate under the present invention.
Embodiment
In Fig. 1, the invention provides a kind of power capacitor with fuse vibration absorber, it is provided with capacitor casing 2, at the top of capacitor casing 2, be provided with binding post 1, in capacitor casing 2, be provided with insulating oil 3, described capacitor casing 2 inside are provided with fuse folder 11 from top to bottom successively, upper vibration absorber, capacitor body 4, lower vibration absorber and lower fuse folder 9, upper fuse folder 11 and lower fuse folder 9 are pressed on upper vibration absorber and lower vibration absorber respectively the top and bottom of capacitor body 4, described upper vibration absorber from top to bottom comprises successively every dividing plate 5 and upper rubber damping pad 6, the thickness of upper rubber damping pad 6 is 3-6mm, above every dividing plate 5 and upper rubber damping pad 6, match, the upper upper end of capacitor body 4 that is arranged on after adopting 3M glue to carry out seamless adhesion between dividing plate 5 and upper rubber damping pad 6, 3M glue makes in semi liquid state, to cohere state between dividing plate 5 and upper rubber damping pad 6, in Fig. 2, the upper steel plate that is set to hollow every dividing plate 5 of the present invention, above every dividing plate 5, be set to seamless, upper is to adopt mould to carry out one time punching molded to steel plate every dividing plate 5, size is adjusted according to the series parallel structure of capacitor body 4, its height and size dimension are definite according to different capacitor specifications and capacity and the fuse mode of connection, at upper hollow parts in dividing plate 5, be filled with damping material 10, upper damping material 10 is foam aluminum vibration insulation and noise reduction material, described lower vibration absorber from top to bottom comprise successively lower rubber damping pad 7 and under every dividing plate 8, the thickness of lower rubber damping pad 7 is 3-6mm, under every dividing plate 8 and lower rubber damping pad 7, match, lower rubber damping pad 7 and under every between dividing plate 8 for being arranged on the lower end of capacitor body 4 after seamless adhesion, under after adopting 3M glue to carry out seamless adhesion between dividing plate 8 and lower rubber damping pad 7, be arranged on the lower end of capacitor body 4, 3M glue makes down in semi liquid state, to cohere state between dividing plate 8 and lower rubber damping pad 7, in Fig. 3, under of the present invention, every dividing plate 8, be set to the steel plate of hollow, under every dividing plate 8, be set to seamless, under every dividing plate 8, be to adopt mould to carry out one time punching molded to steel plate, size is adjusted according to the series parallel structure of capacitor body 4, its height and size dimension are definite according to different capacitor specifications and capacity and the fuse mode of connection, under hollow parts in dividing plate 8 be filled with lower damping material 12, lower damping material 12 is foam aluminum vibration insulation and noise reduction material.
The present invention can, for general conventional transformer station as conventional compensation equipment, also can be applied to the large-scale power capacitor group in DC transmission engineering.
Claims (7)
1. the power capacitor with fuse vibration absorber, it is provided with capacitor casing (2), at the top of capacitor casing (2), be provided with binding post (1), in capacitor casing (2), be provided with insulating oil (3), it is characterized in that described capacitor casing (2) inside is provided with fuse folder (11) from top to bottom successively, upper vibration absorber, capacitor body (4), lower vibration absorber and lower fuse folder (9), upper fuse folder (11) and lower fuse folder (9) are pressed on upper vibration absorber and lower vibration absorber respectively the top and bottom of capacitor body (4).
2. the power capacitor with fuse vibration absorber according to claim 1, it is characterized in that described upper vibration absorber comprises successively every dividing plate (5) and upper rubber damping pad (6) from top to bottom, above every dividing plate (5) and upper rubber damping pad (6), match, the upper upper end that is arranged on capacitor body (4) after being seamless adhesion between dividing plate (5) and upper rubber damping pad (6).
3. the power capacitor with fuse vibration absorber according to claim 1, it is characterized in that described lower vibration absorber from top to bottom comprise successively lower rubber damping pad (7) and under every dividing plate (8), under every dividing plate (8) and lower rubber damping pad (7), match, lower rubber damping pad (7) with under after being seamless adhesion between dividing plate (8), be arranged on the lower end of capacitor body (4).
4. the power capacitor with fuse vibration absorber according to claim 2, is characterized in that the described upper steel plate that is set to hollow every dividing plate (5), at upper hollow parts in dividing plate (5), is filled with upper damping material (10).
5. the power capacitor with fuse vibration absorber according to claim 1, is characterized in that described upper damping material (10) is foam aluminum vibration insulation and noise reduction material.
6. the power capacitor with fuse vibration absorber according to claim 3, is characterized in that under described being set to the steel plate of hollow every dividing plate (8), under hollow parts in dividing plate (8) be filled with lower damping material (12).
7. the power capacitor with fuse vibration absorber according to claim 1, is characterized in that described lower damping material (12) is foam aluminum vibration insulation and noise reduction material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310428010.0A CN103531355B (en) | 2013-09-22 | 2013-09-22 | A kind of power capacitor with fuse vibration absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310428010.0A CN103531355B (en) | 2013-09-22 | 2013-09-22 | A kind of power capacitor with fuse vibration absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103531355A true CN103531355A (en) | 2014-01-22 |
| CN103531355B CN103531355B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310428010.0A Expired - Fee Related CN103531355B (en) | 2013-09-22 | 2013-09-22 | A kind of power capacitor with fuse vibration absorber |
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| Country | Link |
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| CN (1) | CN103531355B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788862A (en) * | 2016-05-09 | 2016-07-20 | 日新电机（无锡）有限公司 | Low-noise power capacitor with vibration damper plate |
| CN106847504A (en) * | 2017-03-23 | 2017-06-13 | 日新电机（无锡）有限公司 | Capacitor sound insulation cavity configuration |
| CN106847501A (en) * | 2017-03-23 | 2017-06-13 | 日新电机（无锡）有限公司 | For the sound insulation cavity configuration of capacitor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007165698A (en) * | 2005-12-15 | 2007-06-28 | Mitsubishi Electric Corp | Electric power storage device |
| CN101615511A (en) * | 2009-07-31 | 2009-12-30 | 西安交通大学 | Adopt the low-noise power capacitor of microperforated panel and real board combining structure |
| CN102315016A (en) * | 2011-07-08 | 2012-01-11 | 日新电机（无锡）有限公司 | Power capacitor possessing noise shield device |
| CN203085361U (en) * | 2013-02-05 | 2013-07-24 | 上海永锦电气集团有限公司 | High-voltage parallel capacitor with lower noise used in electric power |
| CN203552942U (en) * | 2013-09-22 | 2014-04-16 | 国家电网公司 | Power capacitor with core vibration-damping device |
-
2013
- 2013-09-22 CN CN201310428010.0A patent/CN103531355B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007165698A (en) * | 2005-12-15 | 2007-06-28 | Mitsubishi Electric Corp | Electric power storage device |
| CN101615511A (en) * | 2009-07-31 | 2009-12-30 | 西安交通大学 | Adopt the low-noise power capacitor of microperforated panel and real board combining structure |
| CN102315016A (en) * | 2011-07-08 | 2012-01-11 | 日新电机（无锡）有限公司 | Power capacitor possessing noise shield device |
| CN203085361U (en) * | 2013-02-05 | 2013-07-24 | 上海永锦电气集团有限公司 | High-voltage parallel capacitor with lower noise used in electric power |
| CN203552942U (en) * | 2013-09-22 | 2014-04-16 | 国家电网公司 | Power capacitor with core vibration-damping device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788862A (en) * | 2016-05-09 | 2016-07-20 | 日新电机（无锡）有限公司 | Low-noise power capacitor with vibration damper plate |
| CN106847504A (en) * | 2017-03-23 | 2017-06-13 | 日新电机（无锡）有限公司 | Capacitor sound insulation cavity configuration |
| CN106847501A (en) * | 2017-03-23 | 2017-06-13 | 日新电机（无锡）有限公司 | For the sound insulation cavity configuration of capacitor |
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| Publication number | Publication date |
|---|---|
| CN103531355B (en) | 2016-07-06 |
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Granted publication date: 20160706 Termination date: 20180922 |