CN201222417Y - Noise reducer for converter transformer - Google Patents
Noise reducer for converter transformer Download PDFInfo
- Publication number
- CN201222417Y CN201222417Y CNU2008200053070U CN200820005307U CN201222417Y CN 201222417 Y CN201222417 Y CN 201222417Y CN U2008200053070 U CNU2008200053070 U CN U2008200053070U CN 200820005307 U CN200820005307 U CN 200820005307U CN 201222417 Y CN201222417 Y CN 201222417Y
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- Prior art keywords
- converter transformer
- edge
- acoustic barrier
- sound insulation
- denoising device
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- 239000003638 chemical reducing agent Substances 0.000 title 1
- 230000004888 barrier function Effects 0.000 claims abstract description 58
- 238000009413 insulation Methods 0.000 claims abstract description 24
- 239000011810 insulating material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a noise reduction device which can be used on a converter transformer, which comprises a first sound insulation barrier (104) which is fixedly connected on the top portion of a converter transformer (102) and is provided with a first edge (104a) and a second edge (104b), a second sound insulation barrier (106) which is fixedly connected between the lateral surface of the converter transformer (102) and a cooler and is fixedly connected on the first sound insulation barrier (104), a first sound insulation fishplate bar (108) which is connected on the lateral surface of a first firewall (112) which faces to the converter transformer (102) and is detachably overlapped with the first edge (104a), and a second sound insulation fishplate bar (110) which is connected on the lateral surface of a second firewall (114) which faces to the converter transformer (102) and is detachably overlapped with the second edge (104b). The noise reduction device can be conveniently installed and detached when excellent noise reduction effect is achieved.
Description
Technical field
The utility model relates to noise abatement, relates in particular to the denoising device that is used for converter transformer.
Background technology
During the converter transformer operation, the D.C. magnetic biasing that flows through in a large amount of harmonic waves that produce because of converter valve and the change of current modified line circle, noise was obviously bigger than normal when the noise ratio AC transformer was moved when making the converter transformer operation, needed the noise source of keypoint treatment when being the current conversion station noise abatement.
In other high voltage DC engineerings, the converter transformer noise abatement has following method:
Barrier method before the converter transformer.This method is to install an acoustic barrier before the converter transformer cooler or between converter transformer body and the cooler additional, its shortcoming is that effect is limited, and shutoff is imperfect, and noise is never blown out at the shutoff top, and when converter transformer is changed, need remove whole acoustic barrier, waste time and energy.
The BOX-IN method.This method is installed the shutoff frame for utilize the both sides fire compartment walls after converter transformer installs, and is sealed between the fire compartment wall acoustic barrier that also installs and fixes simultaneously with converter transformer is whole between converter transformer body and cooler.The advantage of this method is that the noise plugging effect is good, and body plenum was less than normal when shortcoming was the converter transformer operation, need remove whole shutoff when changing converter transformer, and is more complicated than last method.
The utility model content
One or more problems in view of the above the utility model proposes the denoising device that is used for converter transformer, and purpose is can install and remove device easily when reaching good noise reduction.
According to the utility model, a kind of denoising device that is used for converter transformer is provided, this device comprises: first acoustic barrier, be fixedly connected on the end face of converter transformer, have first edge and second edge; Second acoustic barrier is fixedly connected between the side and cooler of converter transformer, and is fixedly connected on first acoustic barrier; The first sound insulation fishplate bar is connected in first fire wall on the side of converter transformer, and removably overlaps with first edge; And second sound insulation fishplate bar, be connected in second fire wall on the side of converter transformer, and removably overlap with second edge.
Wherein, first edge has first recess, and first edge removably overlaps by first recess and the first sound insulation fishplate bar; Second edge has second recess, and second edge removably overlaps by second recess and the second sound insulation fishplate bar.
This denoising device also comprises: first seal is used to seal the lap-joint of first edge and the first sound insulation fishplate bar; And second seal, be used to seal the lap-joint of second edge and the second sound insulation fishplate bar.Wherein, first seal and second seal are dismountable.
Wherein, first acoustic barrier is fixedlyed connected with the end face of converter transformer by one or more first fixtures.Second acoustic barrier is fixedlyed connected with the side of converter transformer by one or more second fixtures.
Wherein, first acoustic barrier and/or second acoustic barrier are made of sound insulating material.First acoustic barrier and/or second acoustic barrier by a plurality of part detachables be spliced.
By the utility model, after installing, acoustic barrier can seal the converter transformer body fully equally, and defening effect is good; After the shutoff between the acoustic barrier on acoustic barrier on the fire compartment wall and the converter transformer body was removed, converter transformer can shift out flexibly, makes things convenient for converter transformer operating maintenance and replacing; Only needing on the converter transformer body needs between top and body and the cooler acoustic barrier is installed, and once mounting is forever available, does not need to remove repeatedly.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram that illustrates according to the cross section of the denoising device that is used for converter transformer of the utility model embodiment;
Fig. 2 be illustrate first acoustic barrier 104 according to the denoising device that is used for converter transformer of the utility model embodiment, second acoustic barrier 106, cooler 122, and converter transformer 102 between the side schematic view of annexation, wherein, not shown first fire compartment wall 112, second fire compartment wall 114, first connecting plate 108, and second connecting plate 110; And
Fig. 3 is the design sketch that illustrates according to the denoising device that is used for converter transformer of the utility model embodiment.
Embodiment
Below with reference to accompanying drawing, describe embodiment of the present utility model in detail.
At the denoising device that is used for converter transformer according to the utility model embodiment, denoising device is installed on one's body the converter transformer device and converter transformer constitutes an integral body, can isolate the noise that produces when converter transformer moves.This device is installed on the converter transformer body, during replacing and converter transformer move together.When the converter transformer valve in place Room, be installed in the acoustic barrier on the converter transformer body and be installed in gap conveniently shutoff between acoustic barrier on the fire compartment wall, make it to constitute an integral body, effectively noise isolation.This shutoff also can be removed flexibly, removes the back converter transformer and can be with acoustic barrier to move.
Wherein, when converter transformer moved, whole converter transformer decannulation stretched out outer body in the space of acoustic barrier sealing, the noise that produces in the time of can effectively reducing the converter transformer operation.When converter transformer was in place, the acoustic barrier of installing on the fire compartment wall and the change of current became the acoustic barrier of installing on the body and form an integral body by shutoff, constitute acoustic barrier.Directly over the converter transformer and between cooler and the body acoustic barrier is being installed, its acoustic barrier can move with transformer.When need in service are changed converter transformer, only need remove the shutoff between the fixed installation acoustic barrier on converter transformer body acoustic barrier and the fire compartment wall, converter transformer is promptly extensible, after another converter transformer with same acoustic barrier is in place, to can form new complete sound arrester behind the shutoff of the gap again, new converter transformer just can operation under sound insulation.
Fig. 1 is the schematic diagram that illustrates according to the cross section of the denoising device that is used for converter transformer of the utility model embodiment.Fig. 2 be illustrate first acoustic barrier 104 according to the denoising device that is used for converter transformer of the utility model embodiment, second acoustic barrier 106, cooler 122, and converter transformer 102 between the side schematic view of annexation, wherein, not shown first fire compartment wall 112, second fire compartment wall 114, first connecting plate 108, and second connecting plate 110.
As depicted in figs. 1 and 2, comprise according to the denoising device that is used for converter transformer of the utility model embodiment: first acoustic barrier 104, be fixedly connected on the end face of converter transformer 102, have the first edge 104a and the second edge 104b; Second acoustic barrier 106 is fixedly connected between the side and cooler 122 of converter transformer 102, and is fixedly connected on first acoustic barrier 104; The first sound insulation fishplate bar 108 is connected in first fire compartment wall 112 on the side of converter transformer 102, and removably overlaps with the first edge 104a; And second sound insulation fishplate bar 110, be connected in second fire compartment wall 114 on the side of converter transformer 102, and removably overlap with the second edge 104b.
Wherein, the first edge 104a has the first recess 104c, and the first edge 104a removably overlaps by the first recess 104c and the first sound insulation fishplate bar 108; The second edge 104b has the second recess 104d, and the second edge 104b removably overlaps by the second recess 104c and the second sound insulation fishplate bar 110.
This denoising device also comprises: first seal 118 is used to seal the lap-joint of the first edge 104a and the first sound insulation fishplate bar 108; And second seal 120, be used to seal the lap-joint of the second edge 104b and the second sound insulation fishplate bar 110.Wherein, first seal 118 and second seal 120 are dismountable.
Wherein, first acoustic barrier 104 is fixedlyed connected with the end face of converter transformer 102 by one or more first fixtures 116.Second acoustic barrier is fixedlyed connected with the side of converter transformer 102 by one or more second fixtures 124.
Wherein, first acoustic barrier 104 and/or second acoustic barrier 106 are made of sound insulating material.First acoustic barrier 104 and/or second acoustic barrier 106 by a plurality of part detachables be spliced.
According to the denoising device that is used for converter transformer of the utility model embodiment design sketch before advancing valve hall as shown in Figure 3.
By the utility model, after installing, acoustic barrier can seal the converter transformer body fully equally, and defening effect is good; After the shutoff between the acoustic barrier on acoustic barrier on the fire compartment wall and the converter transformer body was removed, converter transformer can shift out flexibly, makes things convenient for converter transformer operating maintenance and replacing; Only needing on the converter transformer body needs between top and body and the cooler acoustic barrier is installed, and once mounting is forever available, does not need to remove repeatedly.In addition, prove by experiment, can reduce by 25 to 30 decibels noise by the utility model.
Be preferred embodiment of the present utility model only below, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (8)
1. a denoising device that is used for converter transformer is characterized in that, comprising:
First acoustic barrier (104) is fixedly connected on the end face of converter transformer (102), has first edge (104a) and second edge (104b);
Second acoustic barrier (106) is fixedly connected between the side and cooler (122) of described converter transformer (102), and is fixedly connected on described first acoustic barrier (104);
The first sound insulation fishplate bar (108) is connected in first fire compartment wall (112) on the side of described converter transformer (102), and removably overlaps with described first edge (104a); And
The second sound insulation fishplate bar (110) is connected in second fire compartment wall (114) on the side of described converter transformer (102), and removably overlaps with described second edge (104b).
2. denoising device according to claim 1, it is characterized in that, described first edge (104a) has first recess (104c), and described first edge (104a) removably overlaps by described first recess (104c) and the described first sound insulation fishplate bar (108); And described second edge (104b) has second recess (104d), and described second edge (104b) removably overlaps by described second recess (104c) and the described second sound insulation fishplate bar (110).
3. denoising device according to claim 2 is characterized in that, also comprises:
First seal (118) is used to seal the lap-joint of described first edge (104a) and the described first sound insulation fishplate bar (108); And
Second seal (120) is used to seal the lap-joint of described second edge (104b) and the described second sound insulation fishplate bar (110).
4. denoising device according to claim 3 is characterized in that, described first seal (118) and described second seal (120) are dismountable.
5. denoising device according to claim 3 is characterized in that, described first acoustic barrier (104) is fixedlyed connected with the described end face of described converter transformer (102) by one or more first fixtures (116).
6. denoising device according to claim 5 is characterized in that, described second acoustic barrier is fixedlyed connected with the described side of described converter transformer (102) by one or more second fixtures (124).
7. according to each described denoising device in the claim 1 to 6, it is characterized in that described first acoustic barrier (104) and/or described second acoustic barrier (106) are made of sound insulating material.
8. denoising device according to claim 7 is characterized in that, described first acoustic barrier (104) and/or described second acoustic barrier (106) by a plurality of part detachables be spliced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200053070U CN201222417Y (en) | 2008-03-07 | 2008-03-07 | Noise reducer for converter transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200053070U CN201222417Y (en) | 2008-03-07 | 2008-03-07 | Noise reducer for converter transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201222417Y true CN201222417Y (en) | 2009-04-15 |
Family
ID=40575920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200053070U Expired - Lifetime CN201222417Y (en) | 2008-03-07 | 2008-03-07 | Noise reducer for converter transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201222417Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866331A (en) * | 2012-09-11 | 2013-01-09 | 青海电力科学试验研究院 | In-situ local discharging test interference resistance method for converter transformer in high altitude areas |
| CN104269246A (en) * | 2014-10-29 | 2015-01-07 | 国网浙江慈溪市供电公司 | Transformer device |
| CN105244151A (en) * | 2015-10-30 | 2016-01-13 | 国网山东省电力公司东营供电公司 | A noise reduction apparatus for a converter transformer |
| CN106486274A (en) * | 2016-09-29 | 2017-03-08 | 国网河南省电力公司南阳供电公司 | A kind of substation transformer noise radiation control platform |
-
2008
- 2008-03-07 CN CNU2008200053070U patent/CN201222417Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866331A (en) * | 2012-09-11 | 2013-01-09 | 青海电力科学试验研究院 | In-situ local discharging test interference resistance method for converter transformer in high altitude areas |
| CN104269246A (en) * | 2014-10-29 | 2015-01-07 | 国网浙江慈溪市供电公司 | Transformer device |
| CN105244151A (en) * | 2015-10-30 | 2016-01-13 | 国网山东省电力公司东营供电公司 | A noise reduction apparatus for a converter transformer |
| CN106486274A (en) * | 2016-09-29 | 2017-03-08 | 国网河南省电力公司南阳供电公司 | A kind of substation transformer noise radiation control platform |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090415 |