CN204087973U - For the rainproof acoustic hood of dry reactor - Google Patents
For the rainproof acoustic hood of dry reactor Download PDFInfo
- Publication number
- CN204087973U CN204087973U CN201420543204.5U CN201420543204U CN204087973U CN 204087973 U CN204087973 U CN 204087973U CN 201420543204 U CN201420543204 U CN 201420543204U CN 204087973 U CN204087973 U CN 204087973U
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- Prior art keywords
- rainhat
- rainproof
- dry reactor
- acoustic hood
- support bar
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- 238000009423 ventilation Methods 0.000 claims abstract description 27
- 229920000742 Cotton Polymers 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model relates to a kind of rainproof acoustic hood for dry reactor, comprises top and has the rainhat of ventilation hole and rainproof grid two parts, rainhat is provided with the support bar be connected with dry reactor.The own form of this rainproof acoustic hood and architectural feature determine it and have good noise reduction performance for the dry reactor loading a large amount of harmonic wave, especially can effectively suppress for high-frequency noises radiant power, simultaneously, according to the supporting making of the dry reactor of different model, can meet various installation requirements.This rainproof acoustic hood is particularly useful for the application scenario that dry reactor terminal voltage is comparatively large, loading harmonic current is higher, and can play good rainproof effect, ensures dry reactor stable operation in inclement weather.
Description
Technical field
The utility model belongs to denoising device technical field, and specifically, the utility model relates to a kind of rainproof acoustic hood for dry reactor, particularly the rainproof acoustic hood in a kind of dry-type air-core reactor top.
Background technology
In current conversion station, because converter valve can produce a large amount of harmonic currents in rectification and reversals, if can the quality of power supply be had a strong impact in inflow system, so need to adopt a series of filter to be carried out filtering.When the harmonic current of multiple frequency range is by reactor, produces multifrequency vibration, thus result in the audible noise of middle and high frequency range.Although fundamental current is greater than individual harmonic current, contribute to current conversion station overall noise with high-frequency noises.As long as therefore adopt an effective measure to high-frequency noises, its noise radiation power just significantly can be suppressed.In addition in rainy weather situation, reactor runs and easily produces flashover under the state of drenching with rain, how to guarantee that reactor safe operation under the state of drenching with rain also is the problem needing to solve, reactor there will be heat condition in the course of the work, must ensure that reactor is in ventilation and heat requirement when preventing reactor to be drenched by rainwater.
But, there is not the sound arrester directly reducing dry-type air-core reactor top noise in prior art.
Utility model content
The purpose of this utility model is to provide a kind of rainproof acoustic hood for dry reactor, with the technical problem that the dry reactor top noise at least solving prior art existence is excessive, and solve the technical problems such as dry reactor is rainproof, heat extraction further.
In order to solve the problem, the utility model provides a kind of rainproof acoustic hood for dry reactor, and its technical scheme is as follows:
For a rainproof acoustic hood for dry reactor, comprise the rainhat that top has ventilation hole; Rainproof grid, described rainproof grid is overlapped on the top portion ventilation hole place of described rainhat, sheds and prevent rainwater from flowing into the coil inside of described dry reactor for thermal current; With multiple support bar, the two ends of multiple described support bar are connected with the arm of described dry reactor with the madial wall of described rainhat respectively.
Preferably, in described rainproof acoustic hood, described rainhat is circle cap-like structure, forms the transition arcs in a frontage and airiness hole at the madial wall place of described rainhat.
Preferably, in described rainproof acoustic hood, the as a whole round cap-like structure of described rainhat or be spliced into a round cap-like structure by multiple part.
Preferably, in described rainproof acoustic hood, when described rainhat is spliced by multiple described part, the splicing position of multiple described part is provided with overlap joint groove, and multiple described part is by the mutual overlap joint composition rainhat of overlap joint groove.
Preferably, in described rainproof acoustic hood, multiple described support bar comprises multiple strut and multiple short support bar of drawing money on credit; Draw money on credit described in multiple uniform madial wall place being connected to described rainhat centered by the ventilation hole center of circle of described rainhat, one end of strut, the other end of strut of drawing money on credit described in multiple is connected on the arm of described dry reactor; Uniform madial wall place being connected to described rainhat centered by the ventilation hole center of circle of described rainhat, one end of multiple described short support bar, the other end of multiple described short support bar is connected on the arm of described dry reactor; Distance between multiple described short support bar and the ventilation hole center of circle of described rainhat be greater than multiple described in draw money on credit strut and described rainhat the ventilation hole center of circle between distance.
Preferably, in described rainproof acoustic hood, also comprise acoustical cotton, described acoustical cotton is arranged on the madial wall position of described rainhat, for playing Noise Reduction.
Preferably, in described rainproof acoustic hood, described rainproof grid is circular configuration, and centre is grid-like, is convenient to rainwater and flows down from the grid of the centre of described rainproof grid; The diameter of described rainproof grid is greater than the ventilation hole diameter of described rainhat.
Preferably, in described rainproof acoustic hood, the number of described short support bar is identical with the arm number of described dry reactor, the number of strut of drawing money on credit be the arm number of described dry reactor 1/2 or identical with the arm number of described dry reactor.
Preferably, in described rainproof acoustic hood, described rainhat and described rainproof grid are that fiber glass epoxy material makes, and described support bar is that aluminum alloy material makes.
Preferably, in described rainproof acoustic hood, described dry reactor is dry-type air-core reactor.
Analyze known, compared with prior art, the rainproof acoustic hood that the utility model provides develops according to the noise behavior of dry-type air-core reactor, himself mechanism of rainproof acoustic hood of the present utility model makes sound wave oscillatory extinction in rainproof acoustic hood, reduces the noise level of dry-type air-core reactor.Own form of the present utility model and architectural feature determine it and have good noise reduction performance for the dry-type air-core reactor loading a large amount of harmonic wave, especially can effectively suppress for high-frequency noises radiant power, simultaneously, according to the supporting making of the dry-type air-core reactor of different model, can meet various installation requirements.This rainproof acoustic hood is particularly useful for the application scenario that dry-type air-core reactor terminal voltage is comparatively large, loading harmonic current is higher, and can play good rainproof effect, ensures dry-type air-core reactor stable operation in inclement weather.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model preferred embodiment.
Fig. 2 is the vertical view of the utility model preferred embodiment.
Fig. 3 is the assembly drawing of rainproof acoustic hood and reactor.
In figure, 1-rainhat; 11-overlaps groove; The rainproof grid of 2-; The short support bar of 31-; 32-draws money on credit strut; 4-dry reactor; 41-arm.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
As shown in Figure 1, Figure 2, Figure 3 shows, the utility model preferred embodiment provides a kind of rainproof acoustic hood, this rainproof acoustic hood is used for dry reactor 4, and dry reactor 4 is the cylindrical structural with centre bore, comprises rainhat 1, rainproof grid 2 and multiple support bar 3; Ventilation hole is had at the top of rainhat 1; Rainproof grid 2 is overlapped on the top portion ventilation hole place of rainhat 1, sheds and prevent rainwater from flowing into the coil inside of dry reactor 4 for thermal current; The two ends of multiple support bar 3 are connected with the arm 41 of dry reactor 4 with the madial wall of rainhat 1 respectively.
In rainhat 1 top center, place has ventilation hole, can so that thermal current is discharged, to ensure that the temperature rise of dry reactor 4 is in safe range.Conveniently thermal current is discharged by ventilation hole, rainhat 1 is designed to circle cap-like structure, forms the transition arcs in a frontage and airiness hole at the madial wall place of rainhat 1.The size of rainhat 1 can adjust according to the size of dry reactor 4, and the diameter of rainhat 1 is greater than the diameter of dry reactor 4, can evenly punch at the brim of a hat place of rainhat 1, for being connected with sidepiece acoustic hood (not shown).
Rainhat 1 can be spliced by an entirety or multiple part, and when rainhat 1 is spliced by multiple part, the splicing position of multiple part is provided with overlap joint groove 11, and multiple part is by the complete rainhat 1 of the mutual overlap joint composition one of overlap joint groove 11.As shown in Figure 2, can certainly be made up of two semicircle entirety, two semicircle overall overlap joint grooves 11 that pass through overlap the complete rainhat 1 of composition one.
Because rainhat 1 is circle cap-like structure, diameter is greater than the diameter of dry reactor 4, in order to the top making rainhat firmly be arranged on dry reactor 4, and ensureing that even if dry reactor 4 occurs that long-time heating also can not cause damage to rainhat 1, multiple support bars of employing comprise multiple strut 32 and multiple short support bar 31 of drawing money on credit; Uniform madial wall place being connected to rainhat 1 centered by the ventilation hole center of circle of rainhat 1, one end of multiple strut 32 of drawing money on credit, multiple other end of drawing money on credit strut 32 is connected on the arm 41 of dry reactor 4; Uniform madial wall place being connected to rainhat 1 centered by the ventilation hole center of circle of rainhat 1, one end of multiple short support bar 31, the other end of multiple short support bar 31 is connected on the arm 41 of dry reactor 4; Distance between multiple short support bar 31 and the ventilation hole center of circle of rainhat 1 is greater than the distance between the ventilation hole center of circle of multiple draw money on credit strut 32 and rainhat 1.Multiple strut 32 of drawing money on credit forms a toroidal around the ventilation hole of rainhat 1, and multiple short support bar 31 forms a toroidal equally around the ventilation hole of rainhat 1.
In order to meet noise reduction demand, the utility model also comprises acoustical cotton (not shown), and acoustical cotton is arranged on the madial wall position of rainhat 1, to reach better noise reduction.
In order to reach rainproof effect better, rainproof grid 2 is designed to circular configuration, the diameter of rainproof grid 2 is greater than the ventilation hole diameter of rainhat 1.Itself and rainhat 1 are fixed together by mold pressing fixed block by rainproof grid 2, rainproof grid 2 one aspect can ensure that thermal current is discharged smoothly from the disposed at air vent of rainhat 1, the below that can flow into dry reactor 4 centre bore with angled rainwater along rainproof grid 2 can be ensured on the one hand, avoid being with angled rainwater to drop on dry reactor coil 4 from disposed at air vent, affect the safe operation of dry reactor 4.
In order to play a supporting role to rainhat 1 better, the number of short support bar 31 is identical with arm 41 number of dry reactor 4, and the number of strut 32 of drawing money on credit is arm 41 number 1/2 of dry reactor 4 or identical with arm 41 number of dry reactor 4.Each arm 41 of dry reactor 4 is all connected to by support bar on the madial wall of rainhat 1.The installation relation of support bar and rainhat 1 is specially: arm 41 uniform amount according to dry reactor 4 on the madial wall of rainhat 1 punches, for connecting support bar.Position of opening can adjust according to the size of dry reactor 4, and the quantity of short support bar 31, strut 32 of drawing money on credit can adjust according to the dimensional weight of rainhat 1;
Rainhat 1 is unified material with rainproof grid 2, and be fiber glass epoxy, the material of short support bar 31, strut 32 of drawing money on credit is aluminium alloy; Dry reactor 4 is preferably dry-type air-core reactor.
As known by the technical knowledge, the utility model can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Allly all to be included in the utility model within the scope of the utility model or being equal to the change in scope of the present utility model.
Claims (10)
1., for a rainproof acoustic hood for dry reactor, it is characterized in that, comprising:
Top has the rainhat of ventilation hole;
Rainproof grid, described rainproof grid is overlapped on the top portion ventilation hole place of described rainhat, discharges and prevent rainwater from flowing into the coil inside of described dry reactor for hot gas;
Multiple support bar, the two ends of multiple described support bar are connected with the arm of described dry reactor with the madial wall of described rainhat respectively.
2. rainproof acoustic hood according to claim 1, is characterized in that:
Described rainhat is circle cap-like structure, forms the transition arcs in a frontage and airiness hole at the madial wall place of described rainhat.
3. rainproof acoustic hood according to claim 2, is characterized in that:
The as a whole round cap-like structure of described rainhat or be spliced into a round cap-like structure by multiple part.
4. rainproof acoustic hood according to claim 3, is characterized in that:
When described rainhat is spliced by multiple described part, the splicing position of multiple described part is provided with overlap joint groove, and multiple described part is by the mutual overlap joint composition rainhat of overlap joint groove.
5. rainproof acoustic hood according to claim 1, is characterized in that:
Multiple described support bar comprises multiple strut and multiple short support bar of drawing money on credit;
Draw money on credit described in multiple uniform madial wall place being connected to described rainhat centered by the ventilation hole center of circle of described rainhat, one end of strut, the other end of strut of drawing money on credit described in multiple is connected on the arm of described dry reactor;
Uniform madial wall place being connected to described rainhat centered by the ventilation hole center of circle of described rainhat, one end of multiple described short support bar, the other end of multiple described short support bar is connected on the arm of described dry reactor;
Distance between multiple described short support bar and the ventilation hole center of circle of described rainhat be greater than multiple described in draw money on credit strut and described rainhat the ventilation hole center of circle between distance.
6. rainproof acoustic hood according to claim 1, is characterized in that, also comprise:
Acoustical cotton, described acoustical cotton is arranged on the madial wall position of described rainhat, for playing Noise Reduction.
7. rainproof acoustic hood according to claim 1, is characterized in that:
Described rainproof grid is circular configuration, and the centre of described rainproof grid is grid-like, is convenient to rainwater and is flowed down by the middle grid of described rainproof grid;
The diameter of described rainproof grid is greater than the ventilation hole diameter of described rainhat.
8. rainproof acoustic hood according to claim 5, is characterized in that:
The number of described short support bar is identical with the arm number of described dry reactor, described in draw money on credit the number of strut be the arm number of described dry reactor 1/2 or identical with the arm number of described dry reactor.
9. rainproof acoustic hood according to claim 1, is characterized in that:
Described rainhat and described rainproof grid are that fiber glass epoxy material makes, and described support bar is that aluminum alloy material makes.
10. rainproof acoustic hood according to claim 1, is characterized in that:
Described dry reactor is dry-type air-core reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543204.5U CN204087973U (en) | 2014-09-19 | 2014-09-19 | For the rainproof acoustic hood of dry reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543204.5U CN204087973U (en) | 2014-09-19 | 2014-09-19 | For the rainproof acoustic hood of dry reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204087973U true CN204087973U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420543204.5U Active CN204087973U (en) | 2014-09-19 | 2014-09-19 | For the rainproof acoustic hood of dry reactor |
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| Country | Link |
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| CN (1) | CN204087973U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047361A (en) * | 2015-08-19 | 2015-11-11 | 北京电力设备总厂有限公司 | High-voltage and ultrahigh-voltage dry-type air-cored current limiting reactor |
| CN105632734A (en) * | 2016-03-22 | 2016-06-01 | 北京电力设备总厂有限公司 | Low-noise dry-type air-core reactor |
| 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 |
-
2014
- 2014-09-19 CN CN201420543204.5U patent/CN204087973U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047361A (en) * | 2015-08-19 | 2015-11-11 | 北京电力设备总厂有限公司 | High-voltage and ultrahigh-voltage dry-type air-cored current limiting reactor |
| CN105632734A (en) * | 2016-03-22 | 2016-06-01 | 北京电力设备总厂有限公司 | Low-noise dry-type air-core reactor |
| CN105632734B (en) * | 2016-03-22 | 2018-01-16 | 北京电力设备总厂有限公司 | Low-noise dry type air reactor |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING ELECTRIC POWER EQUIPMENT GENERAL FACTORY C Free format text: FORMER NAME: BEIJING POWER EQUIPMENT GENERAL PLANT |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 102401 Beijing City, Fangshan District Liangxiang Haotian Street No. 12 Patentee after: BEIJING POWER EQUIPMENT GROUP Co.,Ltd. Patentee after: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID Address before: 102401 Beijing City, Fangshan District Liangxiang Haotian Street No. 12 Patentee before: Beijing Power Equipment Group Patentee before: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210729 Address after: 102401 Beijing City, Fangshan District Liangxiang Haotian Street No. 12 Patentee after: BEIJING POWER EQUIPMENT GROUP Co.,Ltd. Patentee after: China South Power Grid International Co.,Ltd. Address before: 102401 Beijing City, Fangshan District Liangxiang Haotian Street No. 12 Patentee before: BEIJING POWER EQUIPMENT GROUP Co.,Ltd. Patentee before: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID |