CN106504878A - A kind of denoising device for converter power transformer - Google Patents
A kind of denoising device for converter power transformer Download PDFInfo
- Publication number
- CN106504878A CN106504878A CN201510564641.4A CN201510564641A CN106504878A CN 106504878 A CN106504878 A CN 106504878A CN 201510564641 A CN201510564641 A CN 201510564641A CN 106504878 A CN106504878 A CN 106504878A
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- sound absorption
- power transformer
- insulation
- converter power
- edge
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Abstract
The present invention provides a kind of denoising device for converter power transformer, including suspended absorber, ventilating noise silencer, sound absorption and insulation barrier, the first sound absorption and insulation fishplate bar and the second sound absorption and insulation fishplate bar.The denoising device simple structure, excellent noise reduction effect.
Description
Technical field
Present invention design noise abatement, the more particularly, to denoising device of converter power transformer.
Background technology
Converter power transformer is operationally, straight because flow through in a large amount of harmonic waves and converter transformer circle of the generation of change of current threshold
Stream magnetic bias so that noise is substantially bigger than normal when noise ratio AC transformer runs when converter power transformer runs, and is to change
The noise source of keypoint treatment is needed during the noise abatement of stream station.
Existing conventional converter power transformer noise abatement has following methods：
Barrier method before converter power transformer, the method are before converter transformer cooler or converter power transformer body
Install an acoustic barrier and cooler between additional, its shortcoming is that effect is limited, and blocking imperfect, noise can be never
Closure top is blown out, and need to remove whole acoustic barrier when converter power transformer is changed, and wastes time and energy.
Content of the invention
The technical problem to be solved in the present invention, is that providing one kind is ensureing converter power transformer good heat radiating and leading to
There is under the conditions of wind the denoising device of obvious noise reduction.
The present invention is realized in：
A kind of denoising device for converter power transformer, including suspended absorber, ventilating noise silencer, sound absorption
Acoustic barrier, the first sound absorption and insulation fishplate bar and the second sound absorption and insulation fishplate bar；Sound absorption and insulation barrier, fixed company
The top surface of converter power transformer is connected to, metal perforated plate of the sound absorption and insulation barrier bottom surface for tabular, with first
Edge and second edge, top surface are the metal blind plate for inclining, and are full of glass fibers between the top surface and bottom surface
The porous fibrous sound-absorbing material of Wei Bu parcels；Suspended absorber, is spaced in change of current transformation including multiple
Box body on device fire wall, the box body are directly anchored to after being enclosed by metal perforated plate on fire wall, box body
The porous fibrous sound-absorbing material of one layer of uniform thickness is inside fixed with, certain sky between sound-absorbing material and fire wall, is left
Between；Ventilating noise silencer, is fixed between side and the cooler of the converter power transformer, and is connected to institute
State sound absorption and insulation barrier；The ventilating noise silencer includes steel frame and the multiple noise eliminations being plugged in steel frame
Piece；First sound absorption and insulation fishplate bar is connected to fire wall on a medial surface of converter power transformer, and with described
First edge removably connects；Second sound absorption and insulation fishplate bar is relative with the first sound absorption and insulation fishplate bar, and connects
In fire wall on the another side of converter power transformer, and removably it is connected with the second edge.
Wherein, the box body is rectangle box body, inclines and is fixed on fire wall.
Wherein, the top of the box body is thick, and bottom thin, side are triangle.
Wherein, the first dovetail groove is set at the first edge, and the first sound absorption and insulation fishplate bar passes through described first
Dovetail groove is connected with first edge；Second dovetail groove, the first sound absorption and insulation fishplate bar are set at the second edge
It is connected with second edge by second dovetail groove.
Wherein, the first sound absorption and insulation plate is provided with the first dovetail groove, and the first sound absorption and insulation plate is by described the
One dovetail groove is connected with first edge；The second sound absorption and insulation plate is provided with the second dovetail groove, the second sound absorption every
Sound plate is connected with second edge by second dovetail groove.
It is an advantage of the current invention that：
One, while good noise reduction is reached easily device can be installed and be removed.
Suspended absorber is arranged to box body shape two, and sound-absorbing material and resonance sky is provided with box body
Chamber, while box body is arranged on the fire wall around converter power transformer, can be on the ground closest to noise source
Square absorption of noise to greatest extent；
Three, the ventilating noise silencer is be easily moved using steel frame, with regard to energy after the steel frame is removed
Enough easily the sound absorption and insulation barrier of converter power transformer top surface is disassembled, so that converter power transformer energy
Enough flexibly removals, facilitate converter power transformer to be keeped in repair and changed.
Description of the drawings
Fig. 1 is the front view of the denoising device of the present invention；
Fig. 2 is the lateral plan of the denoising device of the present invention；
Fig. 3 is the structural representation of the suspended absorber of the denoising device of the present invention.
Label declaration：
- 2 sound absorption and insulation barrier -3 of -1 first sound absorption and insulation fishplate bar of fire wall first surface
- 302 second sound absorption and insulation fishplate bar -4 of -301 second edge of first edge
- 6 suspended absorber -7 of -5 converter power transformer of fire wall second surface
The 3rd surface -10 of -9 fire wall of -8 ventilating noise silencer of cooler
Specific embodiment
By describing technology contents of the invention, structural features in detail, realizing purpose and effect, below in conjunction with
Embodiment simultaneously coordinates accompanying drawing to be explained in detail.
Fig. 1 to Fig. 3 is referred to, a kind of denoising device for converter power transformer including suspended absorber 7, leads to
Emaciation due to emotional upset acoustic device 9, sound absorption and insulation barrier 3, the first sound absorption and insulation fishplate bar and the second sound absorption and insulation fishplate bar 4；
Denoising device on 6 body of converter power transformer, enclosed by denoising device by the top surface of converter power transformer, side
Close, and converter power transformer 6 constitutes an entirety, can isolate the noise of generation when converter power transformer 6 runs.
The sky that 6 decannulation outer body of whole converter power transformer is closed in an acoustic barrier when converter power transformer 6 runs
Between in, can effectively reduce the noise that produces when converter power transformer 6 runs.When converter power transformer 6 is in place,
The sound absorption and insulation barrier 3 that installs on the suspended absorber 7 that installs on fire wall and change of current transformer tank body passes through
The described closure of ventilating noise silencer 9 forms an entirety.Ventilating noise silencer 9 can be moved with transformator
Dynamic, only need to tear open when needing in operation and changing converter power transformer 6 described ventilating noise silencer 9 and top
Sound absorption and insulation barrier 3, converter power transformer 6 are i.e. extensible.
Sound absorption and insulation barrier 3, is fixedly connected on the top surface of converter power transformer 6,3 bottom of sound absorption and insulation barrier
Metal perforated plate of the face for tabular, with first edge 301 and second edge 302, first edge 301, the
Two edges 302 connect fire wall first surface 1, fire wall second surface 5 respectively, and sound absorption and insulation barrier is also embedding
Enter in the 3rd surface 10 of fire wall, the 3rd surface 10 of fire wall not shown in Fig. 1；Top surface is the gold for inclining
Category blind plate；Porous fibrous sound-absorbing material full of glass fabric parcel between the top surface and bottom surface；
Suspended absorber 7, including multiple box bodys being spaced on 6 fire wall of converter power transformer, the box
Body is directly anchored to fire wall first surface 1, fire wall second surface 5 and prevents after being enclosed by metal perforated plate
On the 3rd surface 10 of wall with flues, i.e., described box body is surrounded by metal perforated plate and back is opened wide without backboard, in box body
The porous fibrous sound-absorbing material of one layer of uniform thickness is fixed with, described porous fibrous sound-absorbing material can be fixed on
The front portion of box body, porous fibrous sound-absorbing material can be wrapped up using glass fabric, sound-absorbing material and fire wall
Between leave certain space such that it is able to preferably shield low-frequency noise.Described suspended absorber 7 can be adopted
With various structures, in certain embodiment, described suspended absorber 7 is designed to rectangular box body,
What the rectangular box body was inclined is fixed on fire wall.In yet, the space sound absorption
Body 7 is designed to top thickness, bottom thin, box body of the side for triangle.7 mounting surface of the suspended absorber
Product takes fire wall area about 20%-50% and just can reach good effect, and wherein preferably about 40%.
Ventilating noise silencer 9, is fixed between the side of the converter power transformer 6 and cooler 8, and connects
In the sound absorption and insulation barrier 3；The ventilating noise silencer 9 includes steel frame and is plugged in many in steel frame
Individual anechoic sheet；Described anechoic sheet can adopt general anechoic sheet on market, such as by resistance noise reduction unit with
The impedance complex formula anechoic sheet that reactive muffling unit is composited.
In order that described denoising device can form an integral sealing body, described sound absorption and insulation barrier 3 with
By the way of seamless spliced, the mode which connects can adopt joggle, riveting etc. removable to described fire wall
The mode of connection is unloaded, specifically its structure can be connected to fire wall first surface 1 for the first sound absorption and insulation fishplate bar 2
Towards on the side of converter power transformer 6, and with 301 dismountable connection of the first edge；Second sound absorption
Sound insulation fishplate bar 4 is connected to fire wall second surface 5 towards on the side of converter power transformer 6, and with described the
Two edges, 302 dismountable connection.Described being detachably connected can adopt following two ways：Mode one,
First dovetail groove is set at the first edge 301, and the first sound absorption and insulation fishplate bar 2 passes through first dovetail
Groove is connected with first edge 301；Second dovetail groove, the first sound absorption and insulation are set at the second edge 302
Fishplate bar 2 is connected with second edge 302 by second dovetail groove.Mode two, first sound absorption and insulation
Plate is provided with the first dovetail groove, and the first sound absorption and insulation plate is connected with first edge 301 by first dovetail groove；
The second sound absorption and insulation plate is provided with the second dovetail groove, the second sound absorption and insulation plate by second dovetail groove with
Second edge 302 connects.Using the simple structure of dovetail groove, easy to connect, and be readily disassembled.Described
Sound absorption and insulation barrier 3 when take apart with fire wall, can be along horizontal direction along dovetail groove sliding
Open, reach the purpose for being convenient for changing converter power transformer 6.
Claims (5)
1. a kind of denoising device for converter power transformer, it is characterised in that including suspended absorber, ventilation
Silencing apparatus, sound absorption and insulation barrier, the first sound absorption and insulation fishplate bar and the second sound absorption and insulation fishplate bar；Sound absorption every
Sound barrier, is fixedly connected on the top surface of converter power transformer, metal of the sound absorption and insulation barrier bottom surface for tabular
Orifice plate, with first edge and second edge, top surface is the metal blind plate for inclining, the top surface and bottom surface
Between full of glass fabric parcel porous fibrous sound-absorbing material；Suspended absorber, including multiple intervals
The box body being arranged on converter power transformer fire wall, the box body are directly anchored to after being enclosed by metal perforated plate
On fire wall, the porous fibrous sound-absorbing material of one layer of uniform thickness, sound-absorbing material and fire wall in box body, is fixed with
Between leave certain space；Ventilating noise silencer, be fixed on the converter power transformer side and cooler it
Between, and it is connected to the sound absorption and insulation barrier；The ventilating noise silencer includes steel frame and is plugged in steel framework
Multiple anechoic sheets in frame；First sound absorption and insulation fishplate bar is connected to fire wall on the inside of the one of converter power transformer
On face, and removably it is connected with the first edge；Second sound absorption and insulation fishplate bar is connect with the first sound absorption and insulation
Plate is relative, and is connected to fire wall on the another side of converter power transformer, and can with the second edge
The connection of dismounting.
2. the denoising device for converter power transformer according to claim 1, it is characterised in that：
The box body is rectangle box body, inclines and is fixed on fire wall.
3. the denoising device for converter power transformer according to claim 1, it is characterised in that：Described
The top of box body is thick, and bottom thin, side are triangle.
4. the denoising device for converter power transformer according to Claims 2 or 3, it is characterised in that：
First dovetail groove is set at the first edge, and the first sound absorption and insulation fishplate bar passes through first dovetail groove
It is connected with first edge；
Second dovetail groove is set at the second edge, and the first sound absorption and insulation fishplate bar passes through second dovetail groove
It is connected with second edge.
5. the denoising device for converter power transformer according to Claims 2 or 3, it is characterised in that：
The first sound absorption and insulation plate is provided with the first dovetail groove, and the first sound absorption and insulation plate passes through first dovetail
Groove is connected with first edge；
The second sound absorption and insulation plate is provided with the second dovetail groove, and the second sound absorption and insulation plate passes through second dovetail
Groove is connected with second edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510564641.4A CN106504878A (en) | 2015-09-08 | 2015-09-08 | A kind of denoising device for converter power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510564641.4A CN106504878A (en) | 2015-09-08 | 2015-09-08 | A kind of denoising device for converter power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106504878A true CN106504878A (en) | 2017-03-15 |
Family
ID=58286998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510564641.4A Pending CN106504878A (en) | 2015-09-08 | 2015-09-08 | A kind of denoising device for converter power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106504878A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069462A (en) * | 2017-05-25 | 2017-08-18 | 镇江巨能电气有限公司 | Power distribution cabinet with denoising device |
| CN107256759A (en) * | 2017-06-29 | 2017-10-17 | 国家电网公司 | Denoising device for the closed installation space of converter power transformer |
| CN109818451A (en) * | 2019-04-02 | 2019-05-28 | 吴光明 | A kind of sound absorbing-insulating barrier for large-size machine noise abatement |
| CN111696768A (en) * | 2020-05-13 | 2020-09-22 | 云南电网有限责任公司 | Outdoor transformer noise reduction method |
-
2015
- 2015-09-08 CN CN201510564641.4A patent/CN106504878A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069462A (en) * | 2017-05-25 | 2017-08-18 | 镇江巨能电气有限公司 | Power distribution cabinet with denoising device |
| CN107256759A (en) * | 2017-06-29 | 2017-10-17 | 国家电网公司 | Denoising device for the closed installation space of converter power transformer |
| CN109818451A (en) * | 2019-04-02 | 2019-05-28 | 吴光明 | A kind of sound absorbing-insulating barrier for large-size machine noise abatement |
| CN111696768A (en) * | 2020-05-13 | 2020-09-22 | 云南电网有限责任公司 | Outdoor transformer noise reduction method |
| CN111696768B (en) * | 2020-05-13 | 2023-04-11 | 云南电网有限责任公司 | Outdoor transformer noise reduction method |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170315 |
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| WD01 | Invention patent application deemed withdrawn after publication |