CN108022734A - A kind of mobile noise reduction device for being used for main transformer in substation - Google Patents

A kind of mobile noise reduction device for being used for main transformer in substation Download PDF

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Publication number
CN108022734A
CN108022734A CN201711338392.2A CN201711338392A CN108022734A CN 108022734 A CN108022734 A CN 108022734A CN 201711338392 A CN201711338392 A CN 201711338392A CN 108022734 A CN108022734 A CN 108022734A
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CN
China
Prior art keywords
substation
main transformer
noise reduction
reduction device
mobile
Prior art date
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Granted
Application number
CN201711338392.2A
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Chinese (zh)
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CN108022734B (en
Inventor
赵罡
王忠强
樊越甫
赵发平
钱诗林
佘彦杰
王耿祥
桑小兵
王占波
尚德
叶青
周显达
张珂珂
娄二军
王中民
吕中宾
柯昌麟
张劲光
王伟
陈少军
张静
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Luoyang Power Supply Co of State Grid Henan Electric Power Co Ltd
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State Grid Corp of China SGCC
Luoyang Power Supply Co of State Grid Henan Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, Luoyang Power Supply Co of State Grid Henan Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201711338392.2A priority Critical patent/CN108022734B/en
Publication of CN108022734A publication Critical patent/CN108022734A/en
Application granted granted Critical
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/33Arrangements for noise damping
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/02Casings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

A kind of mobile noise reduction device for being used for main transformer in substation, the present invention pass through main transformer(12)Bi-level resonant acoustic board is set on the supporting rack in outside(6), noise of main transformer etc. is effectively reduced, the noise abatement to substation plays significance, and the present invention has the features such as simple in structure, easy to operate, has certain economic benefit, is adapted to large-scale promotion and application.

Description

A kind of mobile noise reduction device for being used for main transformer in substation
Technical field
The present invention relates to a kind of mobile noise reduction device, and in particular to a kind of movable type for being used for main transformer in substation Denoising device.
Background technology
It is known, as the national and public more and more closes the pay attention to day by day of environmental protection, substation's noise Note, because substation's noise disturbs residents the dispute of initiation and complaint happens occasionally, in July, 2016, surpasses because Zhengzhou 110kV Long Hai become noise This complaint to the environmentally friendly supervisor's group in center, center environmental protection supervisor's group are ordered Zhengzhou electric company to limit by mark, nearby residents after checking and verify One month phase completed substation's noise abatement.Equally in 2016, Xinyang electric company 110kV Yang Shan become because noise problem by The multiple complaint of nearby residents.
According to statistics, since transformer substation in city is apart from residential block is relatively near, sound function zoning requires the reason such as high, compact to design The exceeded phenomenon of noise is universal, and Hunan company transformer substation in city noise exceeding standard rate is 44.8%.It is public in state's net Henan electric power saving in 2016 Take charge of in noise monitoring, Zhoukou City 110kV centers become, Jiyuan 220kV Hu Ling become, Luoyang 110kV drags factory to become, 220kV Shangqiu, Shangqiu becomes, Nanyang 110kV builds that west becomes and 110kV bright factory outside noises such as become in table mountain are exceeded, and the exceeded phenomenon of our province transformer substation in city has been visitor See and exist.Exceeded disturb residents of substation's noise becomes the main environmental issue of current transformer substation, it would be highly desirable to solves.
And main transformer is one of commonly used equipment in substation, its noise produced also can not be ignored, therefore, A kind of mobile noise reduction device for being used for main transformer in substation is developed, is had for substation's noise abatement highly important Meaning.
The content of the invention
Insufficient present in background technology to overcome, the present invention provides a kind of movement for being used for main transformer in substation Formula denoising device, the present invention set bi-level resonant acoustic board by the outside activity of main transformer, effectively reduce main transformer pressure Noise of device etc., the noise abatement to substation play significance.
To realize goal of the invention as described above, the present invention uses technical solution as described below:
It is a kind of be used for substation in main transformer mobile noise reduction device, including upper bracket, folding frame, slideway, traveling wheel, Inverse buckling wheel, bi-level resonant acoustic board, lower carriage, universal wheel, supporting block, driving motor and protective cover, the installation of slide track are two It is a, two slideway intervals and it is arranged in parallel, is respectively separated below two slideways equipped with a plurality of lower carriages, in each lower carriage Lower end be respectively equipped with universal wheel, at least two connecting rods are equipped between the adjacent lower carriage that each slideway is provided below, Between two connecting rods be equipped with bearing diagonal formed supporting rack, supporting rack lateral surface or medial surface or inside and outside face be respectively equipped with Bi-level resonant acoustic board, is respectively equipped with a plurality of supporting blocks above two slideways, distinguishes in the both sides of each supporting block upper end Equipped with traveling wheel, spring is equipped between two traveling wheels, the periphery of two traveling wheel is contacted above slideway walking surface, Be respectively equipped with inverse buckling wheel on the side wall of each traveling wheel supported underneath block, the inverse buckling wheel left-hand thread below slideway walking surface, It is equipped with spring in the upper end of supporting block, the spring connects upper bracket, is equipped with cross bar in the upper end of upper bracket, and the two of the cross bar Termination connects respectively to be arranged on the upper end of one-to-one upper bracket on two slideways and forms multigroup mobile skeleton, every adjacent two A plurality of folding frames are respectively equipped between mobile skeleton, the outer surface covered protection cover of skeleton are being moved, in first group of movement The power input shaft for the inner side traveling wheel that skeleton lower end is set connects driving motor by motor cabinet respectively, and two driving motors move Power output shaft connects the power input shaft of traveling wheel by shaft coupling respectively, two driving motors by line connection control module, The rain sensor that the control module is arranged on mobile skeleton top by connection forms described be used in substation The mobile noise reduction device of main transformer.
The mobile noise reduction device for being used for main transformer in substation, the internal layer of the protective cover, which is equipped with, manually to be closed Into organic fibrous material.
The mobile noise reduction device for being used for main transformer in substation, the artificial synthesized organic fibrous material are Any one in mineral wool or mineral wool or rock wool.
The mobile noise reduction device for being used for main transformer in substation, the bi-level resonant acoustic board is in individual layer One layer of resonance acoustic board for increasing same size on the basis of resonance acoustic board forms double resonator.
The mobile noise reduction device for being used for main transformer in substation, the slideway is I-steel.
The described mobile noise reduction device for being used for main transformer in substation, the specification of the I-steel for 10# or 12#。
The mobile noise reduction device for being used for main transformer in substation, the motor cabinet are bolted on branch The medial surface of bracer, is equipped with driving motor on motor cabinet.
The mobile noise reduction device for being used for main transformer in substation, the driving motor is servomotor.
The mobile noise reduction device for being used for main transformer in substation, the end of the slideway is equipped with spacing sensing Device, the limit sensors pass through line connection control module.
Using technical solution as described above, the present invention has superiority as described below:
The present invention sets bi-level resonant acoustic board by the outside activity of main transformer, effectively reduces the noise of main transformer Significance is played Deng, the noise abatement to substation, the present invention has the features such as simple in structure, easy to operate, has one Fixed economic benefit, is adapted to large-scale promotion and application.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention;
Fig. 2 is the close-up schematic view of the present invention;
Fig. 3 is the application schematic diagram of the present invention;
In figure:1st, upper bracket;2nd, folding frame;3rd, slideway;4th, traveling wheel;5th, inverse buckling wheel;6th, bi-level resonant acoustic board;7th, under Stent;8th, bearing diagonal;9th, connecting rod;10th, universal wheel;11st, spring;12nd, supporting block;13rd, motor cabinet;14th, motor is driven;15、 Protective cover;16th, main transformer.
Embodiment
The present invention can be explained in more detail by the following examples, the invention is not limited in the following examples;
A kind of mobile noise reduction device for being used for main transformer in substation with reference to described in attached drawing 1~3, including upper bracket 1, folding Folded skeleton 2, slideway 3, traveling wheel 4, inverse buckling wheel 5, bi-level resonant acoustic board 6, lower carriage 7, universal wheel 10, supporting block 12, driving Motor 14 and protective cover 15, the slideway 3 are I-steel, and the specification of the I-steel is 10# or 12#, and slideway 3 is arranged to Two, two slideways 3 are spaced and are arranged in parallel, and are respectively separated below two slideways 3 equipped with a plurality of lower carriages 7, each The lower end of lower carriage 7 is respectively equipped with universal wheel 10, and at least two are equipped between the adjacent lower carriage 7 that each slideway 3 is provided below A connecting rod 9, is equipped with the formation supporting rack of bearing diagonal 8, in the lateral surface or medial surface or inside and outside of supporting rack between two connecting rods 9 Two sides are respectively equipped with bi-level resonant acoustic board 6, and the bi-level resonant acoustic board 6 is increased on the basis of mono-level resonant acoustic board One layer of resonance acoustic board of same size is added to form double resonator;
Further, a plurality of supporting blocks 12 are respectively equipped with the top of two slideways 3, distinguished in the both sides of each 12 upper end of supporting block Equipped with traveling wheel 4, spring 11 is equipped between two traveling wheels 4, periphery contact 3 walking surface of slideway of two traveling wheel 4 Above, inverse buckling wheel 5 is respectively equipped with the side wall of each 4 supported underneath block 12 of traveling wheel, 5 left-hand thread of inverse buckling wheel is in slideway 3 Below walking surface, spring 11 is equipped with the upper end of supporting block 12, the spring 11 connects upper bracket 1, in the upper end of upper bracket 1 Equipped with cross bar, the two ends of the cross bar connect respectively to be arranged on the upper end of one-to-one upper bracket 1 on two slideways 3 and is formed Multigroup mobile skeleton, is respectively equipped with a plurality of folding frames 2, in the outer surface of mobile skeleton between every adjacent two movements skeleton Covered protection cover 15, the internal layer of the protective cover 15 are equipped with artificial synthesized organic fibrous material, the artificial synthesized organic fiber Material is any one in mineral wool or mineral wool or rock wool;
Further, the power input shaft of the inner side traveling wheel 4 set first group of movement skeleton lower end passes through motor cabinet 13 respectively Connection driving motor 14, the power output shaft of two driving motors 14 connect the power input shaft of traveling wheel 4 by shaft coupling respectively, Two driving motors 14 are arranged on mobile skeleton top by line connection control module, the control module by connection Rain sensor forms the mobile noise reduction device for being used for main transformer in substation.
Wherein described motor cabinet 13 is bolted on the medial surface of supporting block 12, and driving electricity is equipped with motor cabinet 13 Machine 14, the driving motor 14 is servomotor;
Further, in order to improve operation stability, limit sensors are equipped with the end of slideway 3, the limit sensors pass through Line connection control module.
When the present invention is specifically used, the denoising device of the present invention is arranged on to the periphery of main transformer 16, wherein double-deck common The acoustic board 6 that shakes can absorb most noise.Further, when the rain sensor for being arranged on mobile skeleton top perceives down During rain, control module starts driving motor 14, and driving motor 14 drives first group of movement skeleton to move forward, first group of movement bone Drive other groups of movement skeleton movements to move after frame movement, can be contacted after first group of movement skeleton is moved to precalculated position The limit sensors being arranged on slideway 3, limit sensors give control module transmission signal, and control module closes driving motor 14, the covering of main transformer 16 is completed at this time.
The present invention can effectively reduce the noise of the generation of main transformer 16, and important meaning is played for substation's noise reduction.
It should be noted that resonance sound-absorbing principle is to utilize Helmholtz resonator principle, by occurring with low-frequency sound wave The acoustic energy of resonance consumption sound wave, i.e., when the frequency of incident acoustic wave is equal to the intrinsic frequency of sound absorption structure, will resonate, At this moment the speed of air vibration reaches maximum in neck tube.When incident acoustic wave frequency departure resonant frequency, vibration velocity just correspondingly by It is decrescence small, due to frictional dissipation acoustic energy Wa and vibration velocity it is square directly proportional, be represented by:Wa=RaU2, necessarily comes for acoustic resistance Say, vibration velocity is bigger, and the acoustic energy of consumption is also bigger, and vibration velocity is maximum during resonance, therefore its acoustic absorptivity is also maximum.The hole of resonant structure The several factors such as footpath size, distribution mode, arrangement density can have an impact the acoustically effective of structure.
Double resonance sound absorption is to increase by one layer of resonance material of same size on the basis of mono-level resonant material, is formed double Resonant cavity, first resonant cavity also serve as the coupling element of two resonators.In experiment, the high frequency performance of double resonance sound-absorbing material is protected Hold it is constant, on the basis of former absorption coefficient curve, can to low frequency move 2/3~1.5 octave.Therefore have for low frequency noise reduction Significance.
Part not in the detailed description of the invention is the prior art.
The embodiment selected herein for the open purpose of the present invention, is presently considered to be suitable, still, Ying Liao Solution, it is contemplated that belonging to all changes and the improvement of the embodiment in this design and invention scope including all.

Claims (9)

1. a kind of mobile noise reduction device for being used for main transformer in substation, including upper bracket(1), folding frame(2), slideway (3), traveling wheel(4), inverse buckling wheel(5), bi-level resonant acoustic board(6), lower carriage(7), universal wheel(10), supporting block(12), drive Dynamic motor(14)And protective cover(15), it is characterized in that:The slideway(3)Two are arranged to, two slideways(3)Interval and parallel set Put, in two slideways(3)Below be respectively separated equipped with a plurality of lower carriages(7), in each lower carriage(7)Lower end be respectively equipped with Universal wheel(10), in each slideway(3)The adjacent lower carriage being provided below(7)Between be equipped with least two connecting rods(9), two Connecting rod(9)Between be equipped with bearing diagonal(8)Formed supporting rack, supporting rack lateral surface or medial surface or inside and outside face difference Equipped with bi-level resonant acoustic board(6), in two slideways(3)Top be respectively equipped with a plurality of supporting blocks(12), in each supporting block (12)The both sides of upper end are respectively equipped with traveling wheel(4), in two traveling wheels(4)Between be equipped with spring(11), two traveling wheel(4) Periphery contact slideway(3)Above walking surface, in each traveling wheel(4)Supported underneath block(12)Side wall on be respectively equipped with Inverse buckling wheel(5), the inverse buckling wheel(5)Left-hand thread is in slideway(3)Below walking surface, in supporting block(12)Upper end be equipped with spring (11), the spring(11)Connect upper bracket(1), in upper bracket(1)Upper end be equipped with cross bar, the two ends difference of the cross bar Connection is arranged on two slideways(3)Upper one-to-one upper bracket(1)Upper end form multigroup mobile skeleton, it is every it is adjacent two move A plurality of folding frames are respectively equipped between dynamic skeleton(2), in the outer surface covered protection cover of mobile skeleton(15), at first group The inner side traveling wheel that mobile skeleton lower end is set(4)Power input shaft pass through motor cabinet respectively(13)Connection driving motor (14), two driving motors(14)Power output shaft traveling wheel is connected by shaft coupling respectively(4)Power input shaft, two driving Motor(14)By line connection control module, the control module is arranged on the rainfall on mobile skeleton top by connection Sensor forms the mobile noise reduction device for being used for main transformer in substation.
2. the mobile noise reduction device according to claim 1 for being used for main transformer in substation, it is characterized in that:It is described anti- Shield(15)Internal layer be equipped with artificial synthesized organic fibrous material.
3. the mobile noise reduction device according to claim 2 for being used for main transformer in substation, it is characterized in that:The people Work synthetic organic fibre material is any one in mineral wool or mineral wool or rock wool.
4. the mobile noise reduction device according to claim 1 for being used for main transformer in substation, it is characterized in that:It is described double Layer resonance acoustic board(6)It is that one layer of resonance acoustic board for increasing same size on the basis of mono-level resonant acoustic board forms double be total to Shake chamber.
5. the mobile noise reduction device according to claim 1 for being used for main transformer in substation, it is characterized in that:The institute State slideway(3)For I-steel.
6. the mobile noise reduction device according to claim 5 for being used for main transformer in substation, it is characterized in that:The work The specification of word steel is 10# or 12#.
7. the mobile noise reduction device according to claim 1 for being used for main transformer in substation, it is characterized in that:The electricity Engine base(13)It is bolted on supporting block(12)Medial surface, in motor cabinet(13)It is equipped with driving motor(14).
8. the mobile noise reduction device according to claim 1 for being used for main transformer in substation, it is characterized in that:The drive Dynamic motor(14)For servomotor.
9. the mobile noise reduction device according to claim 1 for being used for main transformer in substation, it is characterized in that:The cunning Road(3)End be equipped with limit sensors, the limit sensors pass through line connection control module.
CN201711338392.2A 2017-12-14 2017-12-14 Movable noise reduction device for main transformer in transformer substation Active CN108022734B (en)

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CN201711338392.2A CN108022734B (en) 2017-12-14 2017-12-14 Movable noise reduction device for main transformer in transformer substation

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CN108022734B CN108022734B (en) 2023-04-25

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112530667A (en) * 2020-11-16 2021-03-19 浙江德通变压器有限公司 Low-noise dry-type transformer
CN113066648A (en) * 2021-03-26 2021-07-02 国网河南省电力公司南召县供电公司 Noise reduction protection device and method for extra-high voltage transformer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020061110A1 (en) * 2000-11-20 2002-05-23 National Aerospace Laboratory Of Japan Actively-controlled sound absorption panel system using movement-controlled reflective plate
CN101241797A (en) * 2008-03-07 2008-08-13 国家电网公司 Noise reduction device and method for current conversion transformer
CN103606441A (en) * 2013-08-30 2014-02-26 国家电网公司 Noise reduction and sound absorption device of transformer
CN104088946A (en) * 2014-06-27 2014-10-08 重庆朗福环保科技有限公司 Vibration damper and transformer vibration damping method
CN107237414A (en) * 2017-07-28 2017-10-10 国网河南省电力公司 A kind of microporous aluminosilicates fiber sandwich sound-absorbing composite board

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020061110A1 (en) * 2000-11-20 2002-05-23 National Aerospace Laboratory Of Japan Actively-controlled sound absorption panel system using movement-controlled reflective plate
CN101241797A (en) * 2008-03-07 2008-08-13 国家电网公司 Noise reduction device and method for current conversion transformer
CN103606441A (en) * 2013-08-30 2014-02-26 国家电网公司 Noise reduction and sound absorption device of transformer
CN104088946A (en) * 2014-06-27 2014-10-08 重庆朗福环保科技有限公司 Vibration damper and transformer vibration damping method
CN107237414A (en) * 2017-07-28 2017-10-10 国网河南省电力公司 A kind of microporous aluminosilicates fiber sandwich sound-absorbing composite board

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112530667A (en) * 2020-11-16 2021-03-19 浙江德通变压器有限公司 Low-noise dry-type transformer
CN113066648A (en) * 2021-03-26 2021-07-02 国网河南省电力公司南召县供电公司 Noise reduction protection device and method for extra-high voltage transformer
CN113066648B (en) * 2021-03-26 2022-07-29 国网河南省电力公司南召县供电公司 Noise reduction protection device and method for extra-high voltage transformer

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