CN201185541Y - Noise reducer for capacitor unit - Google Patents
Noise reducer for capacitor unit Download PDFInfo
- Publication number
- CN201185541Y CN201185541Y CNU2008200053085U CN200820005308U CN201185541Y CN 201185541 Y CN201185541 Y CN 201185541Y CN U2008200053085 U CNU2008200053085 U CN U2008200053085U CN 200820005308 U CN200820005308 U CN 200820005308U CN 201185541 Y CN201185541 Y CN 201185541Y
- Authority
- CN
- China
- Prior art keywords
- capacitor unit
- face side
- cover body
- rear end
- denoising device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 76
- 239000003638 chemical reducing agent Substances 0.000 title 1
- 238000009413 insulation Methods 0.000 claims description 10
- 230000000295 complement effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000007779 soft material Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001914 filtration 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
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- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The utility model discloses a de-noising device used for a capacitor unit, which comprises a first cover body and a second cover body; wherein, the first cover body can be detachably installed at the side of the front end face of the capacitor unit; the second cover body can be detachably installed at the side of the rear end face of the capacitor; a plurality of holes used for enabling sleeve tubes on the capacitor unit to normally extend out are arranged on the second cover body. The de-noising device used for a capacitor unit can achieve better de-noising effect under the condition of not influencing on the safe operation of the capacitor unit. Moreover, the de-noising device used for a capacitor unit can be flexibly dismounted and mounted on the capacitor unit.
Description
Technical field
The utility model relates to field of electrical equipment, relates more specifically to a kind of denoising device that is used for capacitor unit.
Background technology
Because a large amount of harmonic filtrations that capacitor when operation need produce converter valve,, need one of noise source of keypoint treatment when being the current conversion station noise abatement so the noise ratio during the capacitor operation is bigger.
In other high voltage DC engineering, carry out the noise abatement of capacitor by the following method: Barrier method around the filter capacitor group.This method is the acoustic barrier band that installs certain altitude around bank of filters additional.The shortcoming of this method is that effect is limited, and shutoff is imperfect, and noise can be blown out from the acoustic barrier top.In addition, it is also very high the expense of whole acoustic barrier to be installed.
The utility model content
One or more problems in view of the above, the utility model provide a kind of denoising device that is used for capacitor unit, the noise that produces during with the operation of screened condenser better.
The denoising device that is used for capacitor unit according to the utility model embodiment comprises: first cover body is removably mounted on the front end face side of capacitor unit; Second cover body is removably mounted on the rear end face side of capacitor unit, and wherein, second cover body is provided with a plurality of holes that the sleeve pipe that is used to make capacitor unit normally stretches out.
Wherein, first and second cover bodies can be installed in the front end face side and the rear end face side of capacitor unit hermetically, and have shape and size that front end face side and rear end face side with capacitor unit are complementary.First and second cover bodies one or more in the following manner are installed in the front end face side and rear end face side of capacitor unit: bonding, buckle, snap close, screw are connected.First and second cover bodies are made by the material of insulation and sound insulation.The inboard of first and second cover bodies is provided with the soft material layer of the vibrations that are used to reduce capacitor unit.
The denoising device that is used for capacitor unit according to the utility model embodiment comprises: first cover body is positioned at the front end face side of the capacitor unit of a plurality of placements arranged side by side; Second cover body is removably mounted on the rear end face side of the capacitor unit of a plurality of placements arranged side by side, and wherein, second cover body is provided with a plurality of holes that the sleeve pipe that is used to make each capacitor unit normally stretches out.
Wherein, first and second cover bodies can cover the front end face side and the rear end face side of the capacitor unit of a plurality of placements arranged side by side fully, and have and the front end face side of the capacitor unit of a plurality of placements arranged side by side and shape and the size that the rear end face side is complementary.Second cover body one or more in the following manner are installed in the rear end face side of each capacitor unit: bonding, buckle, snap close, screw connect.First and second cover bodies are made by the material of insulation and sound insulation.Be provided with the soft material layer of the vibrations that are used to reduce capacitor unit in first and/or second cover body.
The noise that produces during by the utility model screened condenser operation preferably, and of the present utility model with low cost, be suitable for large-scale application.
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 according to the denoising device that is used for capacitor unit of first embodiment of the present utility model;
Fig. 2 is the schematic diagram according to the denoising device that is used for capacitor unit of second embodiment of the present utility model;
Fig. 3 is the schematic diagram according to the denoising device that is used for capacitor unit of the 3rd embodiment of the present utility model;
Fig. 4 is the schematic diagram of the Another Application scene of denoising device shown in Figure 3.
Embodiment
Below with reference to accompanying drawing, describe embodiment of the present utility model in detail.
Fig. 1 is the schematic diagram according to the denoising device that is used for capacitor unit of first embodiment of the present utility model.As shown in Figure 1, this denoising device comprises: first cover body 102 is removably mounted on the front end face side of capacitor unit; Second cover body 104 is removably mounted on the rear end face side of capacitor unit.Wherein, second cover body is provided with two holes that the sleeve pipe that is used to make capacitor unit normally stretches out.First and second cover bodies can be installed in the front end face side and the rear end face side of capacitor unit hermetically, have shape and size that front end face side and rear end face side with capacitor unit are complementary.
Fig. 2 is the schematic diagram according to the denoising device that is used for capacitor unit of second embodiment of the present utility model.As shown in Figure 2, the denoising device that is used for three capacitor units of placing side by side comprises: first cover body 202 is removably mounted on these three the front end face sides of the capacitor units of placement side by side; Second cover body 204 is removably mounted on these three the rear end face sides of the capacitor units of placement side by side.Wherein, second cover body is provided with six holes that the sleeve pipe that is used to make each capacitor unit normally stretches out.First and second cover bodies can cover the front end face side and the rear end face side of the capacitor unit of a plurality of placements arranged side by side fully, and have and the front end face side of the capacitor unit of a plurality of placements arranged side by side and shape and the size that the rear end face side is complementary.
Certainly, first cover body among Fig. 2 also can be placed on the front end face side (as shown in Figure 3) of these three capacitor units of placing side by side, first cover body has formed a soundproof wall that is positioned at the front end face side of these three capacitor units of placing side by side, the anti noise that produces in the time of can reaching the operation of screened condenser unit equally.In addition, denoising device as shown in Figure 3 can also be applied in two groups of capacitor units of placing side by side scene staggered relatively.As shown in Figure 4, when two groups of capacitor units of placing are side by side arranged relatively, wherein the rear end face side of one group of capacitor unit of placing side by side is relative with the rear end face side of another group capacitor unit of placing arranged side by side, first cover body that is used for this group capacitor unit of placing side by side is adjacent with first cover body of the rear end face side that is used for the capacitor that this another group places side by side, has formed a two-sided soundproof wall.
Wherein, any one or the multiple front end face side and rear end face side that are installed in capacitor unit of above-described first and/or second cover body in can be in the following manner: bonding, buckle, snap close, screw are connected.Above-described first and second cover bodies are made by the material of insulation and sound insulation.And the inboard of first and/or second cover body can be provided for reducing the soft material layer of the vibrations of capacitor unit.
In sum, the utility model can be issued to noise reduction preferably in the condition that does not influence the capacitor unit safe operation.And the utility model can be removed and be installed on the capacitor unit flexibly.
The above is embodiment of the present utility model only, is not limited to the utility model, and 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 claim scope of the present utility model.
Claims (10)
1. a denoising device that is used for capacitor unit is characterized in that, comprising:
First cover body is removably mounted on the front end face side of capacitor unit;
Second cover body is removably mounted on the rear end face side of described capacitor unit, and wherein, described second cover body is provided with a plurality of holes that the sleeve pipe that is used to make described capacitor unit normally stretches out.
2. denoising device according to claim 1, it is characterized in that, described first and second cover bodies can be installed in the described front end face side and the described rear end face side of described capacitor unit hermetically, and have shape and size that described front end face side and described rear end face side with described capacitor unit are complementary.
3. denoising device according to claim 2, it is characterized in that described first and second cover bodies one or more in the following manner are installed in the described front end face side and described rear end face side of described capacitor unit: bonding, buckle, snap close, screw are connected.
4. according to each described denoising device in the claim 1 to 3, it is characterized in that described first and second cover bodies are made by the material of insulation and sound insulation.
5. denoising device according to claim 4 is characterized in that, the inboard of described first and second cover bodies is provided with the soft material layer of the vibrations that are used to reduce described capacitor unit.
6. a denoising device that is used for capacitor unit is characterized in that, comprising:
First cover body is positioned at the front end face side of the capacitor unit of a plurality of placements arranged side by side;
Second cover body is removably mounted on the rear end face side of the described capacitor unit of a plurality of placements arranged side by side, and wherein, described second cover body is provided with a plurality of holes that the sleeve pipe that is used to make each described capacitor unit normally stretches out.
7. denoising device according to claim 6, it is characterized in that, described first and second cover bodies can cover the described front end face side and the described rear end face side of the described capacitor unit of a plurality of placements arranged side by side fully, and have and the described front end face side of the described capacitor unit of a plurality of placements arranged side by side and shape and the size that described rear end face side is complementary.
8. denoising device according to claim 7 is characterized in that, described second cover body one or more in the following manner are installed in the described rear end face side of each described capacitor unit: bonding, buckle,, snap close, screw connect.
9. according to each described denoising device in the claim 1 to 3, it is characterized in that described first and second cover bodies are made by the material of insulation and sound insulation.
10. denoising device according to claim 9 is characterized in that, described first and/or the inboard of second cover body be provided with the soft material layer of the vibrations that are used to reduce described capacitor unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200053085U CN201185541Y (en) | 2008-03-07 | 2008-03-07 | Noise reducer for capacitor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200053085U CN201185541Y (en) | 2008-03-07 | 2008-03-07 | Noise reducer for capacitor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201185541Y true CN201185541Y (en) | 2009-01-21 |
Family
ID=40273273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200053085U Expired - Fee Related CN201185541Y (en) | 2008-03-07 | 2008-03-07 | Noise reducer for capacitor unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201185541Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315016A (en) * | 2011-07-08 | 2012-01-11 | 日新电机（无锡）有限公司 | Power capacitor possessing noise shield device |
| US9396875B2 (en) | 2013-06-14 | 2016-07-19 | Abb Technology Ltd | Terminal bushing sealing element |
-
2008
- 2008-03-07 CN CNU2008200053085U patent/CN201185541Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315016A (en) * | 2011-07-08 | 2012-01-11 | 日新电机（无锡）有限公司 | Power capacitor possessing noise shield device |
| CN102315016B (en) * | 2011-07-08 | 2013-02-27 | 日新电机（无锡）有限公司 | Power capacitor possessing noise shield device |
| US9396875B2 (en) | 2013-06-14 | 2016-07-19 | Abb Technology Ltd | Terminal bushing sealing element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090121 |