CN105632734A - Low-noise dry-type air-core reactor - Google Patents
Low-noise dry-type air-core reactor Download PDFInfo
- Publication number
- CN105632734A CN105632734A CN201610163014.4A CN201610163014A CN105632734A CN 105632734 A CN105632734 A CN 105632734A CN 201610163014 A CN201610163014 A CN 201610163014A CN 105632734 A CN105632734 A CN 105632734A
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- reactor
- noise
- type air
- low
- dry type
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F37/00—Fixed inductances not covered by group H01F17/00
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/33—Arrangements for noise damping
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Regulation Of General Use Transformers (AREA)
Abstract
The invention relates to the technical field of transformer protection devices, in particular to a low-noise dry-type air-core reactor. The noise-reducing measure is adopted from inside to outside. The reactor comprises a reactor main body, wherein a reactor coil is arranged on the main body and wound with a glue-injecting lead wire (1); a single-stranded round aluminum lead wire (21) is arranged in the glue-injecting lead wire (1), so that the noise in the reactor is reduced; a rainproof cap (12) is arranged at the top of the reactor main body; and environmentally-friendly sound absorption cotton is arranged in the rainproof cap (12) and at the bottom of the reactor main body separately, so that the noise outside the reactor is reduced.
Description
Technical field
The present invention relates to tranformer protection equipment technical field, specifically, it relates to a kind of low-noise dry type air-core reactor.
Background technology
Dry-type air-core reactor, because of advantages such as its inductance linear lag are good, cost is low, non-maintaining, gets a lot of applications in AC and DC transmission of electricity. Dry-type air-core reactor is operated in exchange or direct current containing under harmonic current environment, the effect that the coil that reactor is wound around is subject to electromagnetic force vibration occurs thus produces noise, and environment causes baneful influence to external world.
Such as Authorization Notice No. is the Chinese utility model patent of CN204066935U, it discloses a kind of low-noise dry type hollow filter reactor, comprise the reactor housing of hollow cylinder shape, reactor winding is installed in reactor housing, the inwall of reactor housing is provided with the sound insulation cover body of round shape, the air-flow passage of ventilation is formed between sound insulation cover body and reactor winding, the two ends place of reactor winding is equipped with one layer of acoustical panel, acoustical panel is positioned at sound insulation cover body, acoustical panel is provided with the diameter ventilation hole identical with air-flow passage width with air-flow passage corresponding position, the top of sound insulation cover body is provided with opening, the symmetrically arranged two typhoon machines in the bottom of reactor housing, the air port that goes out of each blower fan is connected to the air-flow passage of respective side, the two ends, bottom of reactor housing are provided with support insulator. of the present utility model can effectively falling is made an uproar, and, it is provided with air-flow passage, does not affect the heat radiation of reactor winding, and adopt blower ventilation, it is easy to realize, extend its work-ing life, have a good application prospect. owing to the bottom of reactor housing arranges blower fan, although being conducive to the heat radiation of reactor winding, but the noise produced is relatively big, and one-piece construction is comparatively complicated.
Such as Authorization Notice No. is the Chinese utility model patent of CN202093925U again, it discloses a kind of neutral point grounding dry type hollow reactor with adjustable resistance, comprise frames and it is fixed on above frames, the dry-type air-core reactor supported by frames, dry-type air-core reactor comprises a thoughts coil, it is centered around the multiple non-inductive coil outside thoughts coil and multiple resistance tap, after multiple non-inductive coil is connected in series, it is connected with thoughts coils connected in series, the output terminal of each non-inductive coil is connected with a resistance tap, the output terminal of dry reactor is connected with any one in described multiple resistance tap. the neutral point grounding dry type hollow reactor with adjustable resistance that this practicality is novel, by arranging multiple non-inductive coil being connected in series, and arranges resistance tap at the output terminal of each non-inductive coil so that the neutral resistor value of this reactor is adjustable. flexible neutral resistor value can be passed through, balance the ground potential distribution of each substation, reduce electric current and pour in down a chimney, make transformer work again recover normal, reduce noise level. but this reactor lacks the device reducing noise, and its noise is bigger.
Summary of the invention
It is an object of the invention to provide a kind of low-noise dry type air-core reactor, by the problem solving reactor noise of taking measures from inside and outside two aspects.
In order to realize above-mentioned purpose of design, the scheme that the present invention adopts is as follows:
A kind of low-noise dry type air-core reactor, comprises reactor main body, and this main body is provided with reactor winding; The top of this main body is provided with anti-rain cap, is wound with note glue wire outside described reactor winding, and the inside of note glue wire is for being provided with multiple sub-thread circle aluminium conductor; It is cotton that the inside of anti-rain cap is provided with environmental protection sound absorption. The dry-type air-core reactor of the present invention takes measures from inside and outside two aspects to reduce reactor noise. Inner aspect: be wound with note glue wire outside reactor winding, reduces noise in the root that reactor noise produces; Outside aspect: increase the false layer of resistance at reactor circumferential direction outermost layer, reduce and pass to outside noise; Meanwhile, it is provided with environmental protection sound absorption cotton absorption top noise in the inside of the anti-rain cap at reactor top and reaches the object reducing reactor noise further.
Preferably, the bottom of described reactor main body is provided with silencing hood, thus reduces reactor noise and longitudinally outwards propagate the object reaching the overall lower noise of reactor.
In above-mentioned either a program preferably, the inside of described silencing hood is provided with bottom environmental protection sound absorption cotton 15, reduces reactor noise further and longitudinally outwards propagates, reaches the object of the overall lower noise of reactor.
In above-mentioned either a program preferably, described note glue wire winding process fully dips in glue and makes adjacent wire contact be solidified into entirety, strengthen the rigidity of reactor winding, reduce coil vibration and send noise.
In above-mentioned either a program preferably, the circumferential direction outside of described reactor main body is provided with the false layer of resistance, thus avoids noise laterally outwards to propagate.
The false layer of resistance is the winding layer of ring oxygen yarn parcel environmental protection sound absorption cotton, plays protection coil and absorbs the effect of reactor noise.
In above-mentioned either a program preferably, described note glue wire is wrapped up by wire external insulation layer by many sub-thread circle aluminium conductors, plays the effect with other wire insulations.
In above-mentioned either a program preferably, it is filled with epoxy insulation glue between multiple sub-thread circle aluminium conductor of the inside of described note glue wire.
Adopt epoxy insulation glue to fill gap between adjacent wires, replace original clearance, make inner each sub-thread circle aluminium conductor be cured as one, effectively reduce wire vibration, reach the object reducing noise; Epoxy insulation glue has excellent electrical insulation capability and mechanical property, and this not only can strengthen reactor electrical strength, and can improve the overall mechanical strength of wire, is conducive to the lifting of reactor performance.
In above-mentioned either a program preferably, described sub-thread circle aluminium conductor is many coatings structure.
In above-mentioned either a program preferably, the outside of described sub-thread circle aluminium conductor is by justifying aluminium conductor insulation layer parcel.
In above-mentioned either a program preferably, the position, center of described sub-thread circle aluminium conductor is aluminum steel.
In above-mentioned either a program preferably, described round aluminium conductor insulation layer is made up of non woven fabric, aluminium conductor coating and Compound Fabric.
In above-mentioned either a program preferably, described aluminium conductor coating and aluminum steel laminating, play External Insulation.
In above-mentioned either a program preferably, described non woven fabric is between aluminium conductor coating and Compound Fabric. For the vibration reduced between the coating of sub-thread circle aluminium conductor and coating, between coating, increase by one layer of non woven fabric, play the effect of vibration damping, effectively reduce the noise caused because of vibration.
The fabric that non woven fabric is a kind of needs to spin cotton and weave cloth and is formed, just carries out textile staple or long filament orientation or random alignment, forms fibre net structure, then adopts machinery, the method such as hot sticky or chemical to reinforce and become. It directly utilizes the tencel goods with softness, ventilative and two dimensional structure that superpolymer section, staple fibre or long filament formed by various web forming method and concretion technology. Therefore the present invention selects non woven fabric, plays the effect of vibration damping, effectively reduces the noise caused because of vibration.
In above-mentioned either a program preferably, described Compound Fabric is composited by polyester and non woven fabric.
In above-mentioned either a program preferably, described Compound Fabric is composited by imines and non woven fabric.
In above-mentioned either a program preferably, the inside of the false layer of described resistance is provided with the thick environmental protection sound absorption cotton of 70mm, it is possible to the effective noise absorbing reactor and sending, the noise propagated out is effectively suppressed, and reaches the object of reactor lower noise.
Accompanying drawing explanation
Fig. 1 is the structural representation of the low-noise dry type air-core reactor according to the present invention.
Fig. 2 be the preferred embodiment of the low-noise dry type air-core reactor according to the present invention Fig. 1 in note the sectional drawing of glue wire.
Fig. 3 be the preferred embodiment of the low-noise dry type air-core reactor according to the present invention Fig. 2 in sub-thread circle aluminium conductor sectional drawing.
Fig. 4 be the preferred embodiment of the low-noise dry type air-core reactor according to the present invention Fig. 1 in the false Rotating fields schematic diagram of resistance.
Number in the figure illustrates:
Note glue wire 1, anti-rain cap 12, environmental protection sound absorption cotton 13, the thick environmental protection sound absorption cotton 141 of the false layer 14,70mm of resistance, bottom environmental protection sound absorption cotton 15, silencing hood 16, sub-thread circle aluminium conductor 21, circle aluminium conductor insulation layer 22, epoxy insulation glue 23, wire external insulation layer 24, aluminum steel 31, non woven fabric 32, aluminium conductor coating 33, Compound Fabric 34.
Embodiment
In order to understand the low-noise dry type air-core reactor according to the present invention better, the specific embodiment of the low-noise dry type air-core reactor according to the present invention is described below in conjunction with accompanying drawing.
With reference to figure 1, according to the one-piece construction schematic diagram of the low-noise dry type air-core reactor of the present invention. A kind of low-noise dry type air-core reactor, comprises reactor main body, and this main body is provided with reactor winding; The top of this main body is provided with anti-rain cap 12, is wound with note glue wire 1 outside described reactor winding, and the inside of note glue wire 1 is for being provided with multiple sub-thread circle aluminium conductor 21; The inside of anti-rain cap 12 is provided with environmental protection sound absorption cotton 13. The dry-type air-core reactor of the present invention takes measures from inside and outside two aspects to reduce reactor noise. Inner aspect: be wound with note glue wire 1 outside reactor winding, reduces noise in the root that reactor noise produces; Outside aspect: increase the false layer of resistance at reactor circumferential direction outermost layer, reduce and pass to outside noise; Meanwhile, it is provided with the cotton 13 absorption top noises of environmental protection sound absorption in the inside of the anti-rain cap 12 at reactor top and reaches the object reducing reactor noise further.
In the present embodiment, the bottom of described reactor main body is provided with silencing hood 16, thus reduces reactor noise and longitudinally outwards propagate the object reaching the overall lower noise of reactor.
In the present embodiment, the inside of described silencing hood 16 is provided with bottom environmental protection sound absorption cotton 15, reduces reactor noise further and longitudinally outwards propagates, reaches the object of the overall lower noise of reactor.
In the present embodiment, described note glue wire 1 winding process fully dips in glue and makes adjacent wire contact be solidified into entirety, strengthen the rigidity of reactor winding, reduce coil vibration and send noise.
In the present embodiment, the circumferential direction outside of described reactor main body is provided with the false layer 14 of resistance, thus avoids noise laterally outwards to propagate.
Next consult shown in Fig. 2, according to the present invention low-noise dry type air-core reactor preferred embodiment Fig. 1 in note the sectional drawing of glue wire.
In the present embodiment, described note glue wire 1 is wrapped up by wire external insulation layer 24 by many sub-thread circle aluminium conductors 21, plays the effect with other wire insulations.
In the present embodiment, it is filled with epoxy insulation glue 23 between multiple sub-thread circle aluminium conductor 21 of the inside of described note glue wire 1.
Adopt epoxy insulation glue 23 to fill gap between adjacent wires, replace original clearance, make inner each sub-thread circle aluminium conductor 21 be cured as one, effectively reduce wire vibration, reach the object reducing noise; Epoxy insulation glue 23 has excellent electrical insulation capability and mechanical property, and this not only can strengthen reactor electrical strength, and can improve the overall mechanical strength of wire, is conducive to the lifting of reactor performance.
The salient features of insulation paste is as shown in table 1:
In the present embodiment, described sub-thread circle aluminium conductor 21 is many coatings structure.
In the present embodiment, described sub-thread circle aluminium conductor 21 by justifying, aluminium conductor insulation layer 22 wraps up in outside.
In the present embodiment, the position, center of described sub-thread circle aluminium conductor 21 is aluminum steel 31.
As shown in Figure 3, according to the present invention low-noise dry type air-core reactor preferred embodiment Fig. 2 in sub-thread circle aluminium conductor sectional drawing.
In the present embodiment, described round aluminium conductor insulation layer 22 is made up of non woven fabric 32, aluminium conductor coating 33 and Compound Fabric 34.
In the present embodiment, described aluminium conductor coating 33 is fitted with aluminum steel 31, plays External Insulation.
In the present embodiment, described non woven fabric 32 is between aluminium conductor coating 33 and Compound Fabric 34. For the vibration reduced between the coating of sub-thread circle aluminium conductor 21 and coating, between coating, increase by one layer of non woven fabric 32, play the effect of vibration damping, effectively reduce the noise caused because of vibration.
In the present embodiment, described Compound Fabric 34 is composited by polyester and non woven fabric.
In the present embodiment, described Compound Fabric 34 is composited by imines and non woven fabric.
Finally consult shown in Fig. 4, according to the present invention low-noise dry type air-core reactor preferred embodiment Fig. 1 in the false Rotating fields schematic diagram of resistance.
In the present embodiment, the inside of the false layer 14 of described resistance is provided with the thick environmental protection sound absorption cotton 141 of 70mm, it is possible to the effective noise absorbing reactor and sending, the noise propagated out is effectively suppressed, and reaches the object of reactor lower noise.
Those skilled in the art are it will be understood that the low-noise dry type air-core reactor of the present invention comprises the arbitrary combination of each several part in this specification sheets. As space is limited and in order to make the simple and clear of specification sheets, these combinations are not introduced one by one in detail at this, but after having seen this specification sheets, the scope of the present invention that the arbitrary combination of each several part being made up of this specification sheets is formed is self-evident, does not therefore add and repeats.
Claims (10)
1. a low-noise dry type air-core reactor, comprises reactor main body, and this main body is provided with reactor winding; The top of this main body is provided with anti-rain cap (12), it is characterised in that: being wound with note glue wire (1) outside reactor winding, the inside of note glue wire (1) is for being provided with multiple sub-thread circle aluminium conductor (21); The inside of anti-rain cap (12) is provided with environmental protection sound absorption cotton (13).
2. low-noise dry type air-core reactor as claimed in claim 1, it is characterised in that: the bottom of described reactor main body is provided with silencing hood (16).
3. low-noise dry type air-core reactor as claimed in claim 2, it is characterised in that: the inside of silencing hood (16) is provided with bottom environmental protection sound absorption cotton (15).
4. low-noise dry type air-core reactor as claimed in claim 1, it is characterised in that: note glue wire (1) winding process fully dips in glue and makes adjacent wire contact be solidified into entirety.
5. low-noise dry type air-core reactor as claimed in claim 1 or 2, it is characterised in that: the circumferential direction outside of described reactor main body is provided with the false layer (14) of resistance.
6. low-noise dry type air-core reactor as described in claim 1 or 4, it is characterised in that: note glue wire (1) is wrapped up by wire external insulation layer (24) by many sub-threads circle aluminium conductor (21).
7. low-noise dry type air-core reactor as described in claim 1 or 4, it is characterised in that: it is filled with epoxy insulation glue (23) between multiple sub-thread circle aluminium conductor (21) of the inside of note glue wire (1).
8. low-noise dry type air-core reactor as claimed in claim 7, it is characterised in that: sub-thread circle aluminium conductor (21) is many coatings structure.
9. low-noise dry type air-core reactor as claimed in claim 7, it is characterised in that: the outside of sub-thread circle aluminium conductor (21) is by justifying aluminium conductor insulation layer (22) parcel.
10. low-noise dry type air-core reactor as claimed in claim 7, it is characterised in that: the position, center of sub-thread circle aluminium conductor (21) is aluminum steel (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610163014.4A CN105632734B (en) | 2016-03-22 | 2016-03-22 | Low-noise dry type air reactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610163014.4A CN105632734B (en) | 2016-03-22 | 2016-03-22 | Low-noise dry type air reactor |
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| Publication Number | Publication Date |
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| CN105632734A true CN105632734A (en) | 2016-06-01 |
| CN105632734B CN105632734B (en) | 2018-01-16 |
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| CN201610163014.4A Active CN105632734B (en) | 2016-03-22 | 2016-03-22 | Low-noise dry type air reactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221422A (en) * | 2017-06-02 | 2017-09-29 | 北京电力设备总厂有限公司 | Dry-type hollow filter reactor denoising device |
| CN110504091A (en) * | 2019-08-16 | 2019-11-26 | 西安合容电力设备有限公司 | A kind of dry-type hollow filter reactor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201478084U (en) * | 2009-08-17 | 2010-05-19 | 北京电力设备总厂 | Noise reduction device for a dry air-core type reactor |
| CN201804671U (en) * | 2010-01-18 | 2011-04-20 | 杨保和 | Low-noise reactor |
| CN102709031A (en) * | 2012-02-03 | 2012-10-03 | 苏州天擎电子通讯有限公司 | Novel electric reactor |
| CN204087975U (en) * | 2014-09-19 | 2015-01-07 | 北京电力设备总厂 | For the bottom acoustic hood of dry reactor |
| CN204087973U (en) * | 2014-09-19 | 2015-01-07 | 北京电力设备总厂 | For the rainproof acoustic hood of dry reactor |
| CN204257241U (en) * | 2014-09-18 | 2015-04-08 | 北京电力设备总厂有限公司 | For the low noise transposition aluminum conductor of dry reactor |
| CN105225730A (en) * | 2014-05-26 | 2016-01-06 | 上海顺潮工业有限公司 | For the waterproof low noise film bag rectangular aluminum twisted wire of reactor |
-
2016
- 2016-03-22 CN CN201610163014.4A patent/CN105632734B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201478084U (en) * | 2009-08-17 | 2010-05-19 | 北京电力设备总厂 | Noise reduction device for a dry air-core type reactor |
| CN201804671U (en) * | 2010-01-18 | 2011-04-20 | 杨保和 | Low-noise reactor |
| CN102709031A (en) * | 2012-02-03 | 2012-10-03 | 苏州天擎电子通讯有限公司 | Novel electric reactor |
| CN105225730A (en) * | 2014-05-26 | 2016-01-06 | 上海顺潮工业有限公司 | For the waterproof low noise film bag rectangular aluminum twisted wire of reactor |
| CN204257241U (en) * | 2014-09-18 | 2015-04-08 | 北京电力设备总厂有限公司 | For the low noise transposition aluminum conductor of dry reactor |
| CN204087975U (en) * | 2014-09-19 | 2015-01-07 | 北京电力设备总厂 | For the bottom acoustic hood of dry reactor |
| CN204087973U (en) * | 2014-09-19 | 2015-01-07 | 北京电力设备总厂 | For the rainproof acoustic hood of dry reactor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221422A (en) * | 2017-06-02 | 2017-09-29 | 北京电力设备总厂有限公司 | Dry-type hollow filter reactor denoising device |
| CN110504091A (en) * | 2019-08-16 | 2019-11-26 | 西安合容电力设备有限公司 | A kind of dry-type hollow filter reactor |
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| Publication number | Publication date |
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| CN105632734B (en) | 2018-01-16 |
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Effective date of registration: 20170824 Address after: 102401 Beijing City, Fangshan District Liangxiang Haotian Street No. 12 Applicant after: Co., Ltd of Beijing Electrical Equipment Factory Applicant after: State Grid Zhejiang Electric Power Company Address before: 102401 Beijing City, Fangshan District Liangxiang Haotian Street No. 12 Applicant before: Co., Ltd of Beijing Electrical Equipment Factory |
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