CN204168053U - A kind of hydraulic generator sound insulation outer cover - Google Patents
A kind of hydraulic generator sound insulation outer cover Download PDFInfo
- Publication number
- CN204168053U CN204168053U CN201420507635.6U CN201420507635U CN204168053U CN 204168053 U CN204168053 U CN 204168053U CN 201420507635 U CN201420507635 U CN 201420507635U CN 204168053 U CN204168053 U CN 204168053U
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- CN
- China
- Prior art keywords
- panel beating
- muffler
- outer cover
- layer
- blower fan
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- 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 - Lifetime
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- 238000009413 insulation Methods 0.000 title claims abstract description 17
- 239000003570 air Substances 0.000 claims abstract description 72
- 239000012080 ambient air Substances 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 238000010009 beating Methods 0.000 claims description 68
- 238000009423 ventilation Methods 0.000 claims description 10
- 239000006260 foam Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of hydraulic generator sound insulation outer cover, comprise cover body, cover body is surrounded by lamina tecti and side plate, described lamina tecti has air inlet and air outlet, described air inlet is connected with the first muffler, described first muffler lower end is connected with the first blower fan for absorbing cool ambient air, described air outlet is connected with the second muffler, and described second muffler lower end is connected with the second blower fan for discharging cover body hot inside air.The utility model, by changing the overall structure of fan housing, fully can not only distribute the heat that unit in outer cover produces, and excellent noise reduction effect, effectively reduces the noise pollution of unit environment to external world.
Description
Technical field
The utility model relates to technical field of hydraulic generators, particularly relates to a kind of hydraulic generator sound insulation outer cover.
Background technology
Hydraulic generator refers to the hydraulic turbine to be that water can be converted into the generator of electric energy by prime mover.Current, through the hydraulic turbine, can convert water to mechanical energy, and the rotor of the rotating shaft of hydraulic turbine drive electrical generators again, converts mechanical energy to electric energy and export.The hydraulic turbine is the main dynamics equipment that hydroelectric station produces electric energy.Hydraulic generator is driven by the hydraulic turbine, and the rotor of hydraulic generator is short and thick, and starting, the grid-connected required time of unit are shorter, and traffic control is flexible, except general generating, is suitable for especially as regulating units and emergency duty unit.
Hydraulic generator is made up of critical pieces such as rotor, stator, frame, thrust bearing, guide bearing, cooler, brakes.Stator is primarily of parts compositions such as support, iron core and windings.Stator core cold-reduced silicon sheet builds up, and can do integrally and splitted structure by manufacture and transportation condition.Cooling Ways of Hydro-generator generally adopts sealing and circulating Air flow.The mounting structure form of hydraulic generator is determined by the pattern of the hydraulic turbine usually.Mainly contain two profiles formula: horizontal type structure and vertical structure.Usual low capacity hydraulic generator adopts horizontal type structure, and medium-sized hydraulic generator adopts vertical or horizontal type structure, and large capacity hydroelectric generator adopts vertical structure.The turbine-generator units application of vertical structure is comparatively extensive, and vertical hydropower generator is driven by mixed-flow or axial flow turbine usually.Vertical structure can be divided into suspension type and umbrella-type again.What generator thrust bearing was positioned at rotor top is referred to as suspension type, and what be positioned at rotor bottom is referred to as umbrella-type.Water turbine set adopts two or three bearings usually.Its axial length of the structure of two bearings is short, compact conformation, and mounting and adjusting is convenient.But when its combined critical speed can not meet the demands or bearing load is larger, this needs employing three bearing arrangement.
No matter be which kind of turbine-generator units, in its running, all can produce larger noise pollution.
In order to reduce noise and the safe operation of protection internal unit of turbine-generator units, usually outer cover can be added outside turbine-generator units.Turbine-generator units can produce a large amount of heat energy in running, needs, at the side of outer cover and top drilling or window, to cool turbine-generator units, to ensure the normal operation of turbine-generator units by natural draft.Perforate or window on outer cover, the noise of turbine-generator units passing hole or window can enter external environment, to environment again.
Publication number is CN 203297851U, publication date is that the Chinese patent literature on November 20th, 2013 discloses a kind of new type water energy generator cover, comprise the back-off tubular shell surrounded by annular lamina tecti and side plate, it is characterized in that, also comprise: multiple " 7 " shape founds supporting bracket and a circular central support; Described circular central support is arranged at the below of described annular lamina tecti; The outer rim that " 7 " shape described in each founds supporting bracket is connected with the inner edge of the described back-off tubular shell surrounded by annular lamina tecti and side plate, and the free end of its horizontal component is connected with the outer rim of described circular central support; Multiple described " 7 " shape is found supporting bracket and is distributed radially along described circular central supported outer rim.
Although the integrally-built stability of water energy generator outer cover disclosed in this patent documentation and bearing capacity better, but, the heat produced during water energy generator running distributes by opening air regulator on outer cover, ventilating window can bring the noise that water energy generator produces into external environment simultaneously, causes larger noise pollution to environment.
Utility model content
For solving the problems of the technologies described above, the utility model proposes a kind of hydraulic generator sound insulation outer cover, the utility model, by changing the overall structure of fan housing, fully can not only distribute the heat that unit in outer cover produces, and excellent noise reduction effect, effectively reduce the noise pollution of unit environment to external world.
The technical solution adopted in the utility model is:
A kind of hydraulic generator sound insulation outer cover, comprise cover body, cover body is surrounded by lamina tecti and side plate, it is characterized in that: described lamina tecti has air inlet and air outlet, described air inlet is connected with the first muffler, described first muffler lower end is connected with the first blower fan for absorbing cool ambient air, described air outlet is connected with the second muffler, and described second muffler lower end is connected with the second blower fan for discharging cover body hot inside air.
Described air inlet and air outlet are two, and any one air inlet and an air outlet form a ventilation heat exchange loop.
Described side plate comprises framework and panel beating, and panel beating is fixedly connected on framework.
Described panel beating is made up of interior panel beating layer and outer panel beating layer, and framework is arranged between interior panel beating layer and outer panel beating layer, and framework is fixedly connected with outer panel beating layer with interior panel beating layer respectively.
Sound-proof foam is filled with between described interior panel beating layer and outer panel beating layer.
Described interior panel beating layer covers sound absorbing layer.
Described first blower fan lower end is fixedly connected with the first bracing frame, and the second blower fan lower end is fixedly connected with the second bracing frame.
The beneficial effects of the utility model are mainly manifested in the following aspects:
One, the utility model, " lamina tecti has air inlet and air outlet, air inlet is connected with the first muffler, first muffler lower end is connected with the first blower fan for absorbing cool ambient air, air outlet is connected with the second muffler, second muffler lower end is connected with the second blower fan for discharging cover body hot inside air ", form a blower fan forced circulation ventilation heat exchange loop, during unit operation in outer cover, close the first blower fan and the first muffler, extraneous natural wind enters in outer cover, close air inlet, open the second blower fan and the second muffler, the hot blast that unit produces by the second blower fan is discharged through air outlet by after the second muffler noise reduction, second muffler carries out noise reduction to other noises in unit simultaneously, adopt said structure, fully can not only distribute the heat that unit in outer cover produces, and excellent noise reduction effect, effectively reduce unit to external world environment produce noise pollution.
Two, air inlet and air outlet are two, and any one air inlet and an air outlet form a ventilation heat exchange loop, can improve unit and extraneous ventilation heat exchange effect in outer cover further, and noise reduction are obvious.
Three, side plate comprises framework and panel beating, and panel beating is fixedly connected on framework, adopts this structure, not only increases the overall construction intensity of outer cover, and improves the overall tightness of outer cover, thus further increases the overall noise reduction to unit of outer cover.
Four, panel beating is made up of interior panel beating layer and outer panel beating layer, framework is arranged between interior panel beating layer and outer panel beating layer, and framework is fixedly connected with outer panel beating layer with interior panel beating layer respectively, by the improvement to sheet metal structural, adopt double-deck panel beating, further increase outer cover overall construction intensity and noise reduction.
Five, be filled with sound-proof foam between interior panel beating layer and outer panel beating layer, sound-proof foam has good soundproof effect, panel beating layer and outer panel beating layer in coordinating, and the noise produced whole unit serves the effect of significantly noise reduction.
Six, interior panel beating layer covers have sound absorbing layer, the noise that unit produces can be adsorbed by sound absorbing layer, thus weakens and be delivered to extraneous noise.
Seven, the first blower fan lower end is fixedly connected with the first bracing frame, second blower fan lower end is fixedly connected with the second bracing frame, good support can be provided for blower fan and muffler, prevent blower fan and muffler from producing trickle rocking, ensure the job stability of blower fan and muffler.
Accompanying drawing explanation
Below in conjunction with specification drawings and specific embodiments, the utility model is described in further detail, wherein:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is cutaway view of the present utility model;
Fig. 3 is the partial sectional view of the utility model embodiment 5 latus inframedium;
Mark in figure: 1, lamina tecti, 2, side plate, 3, air inlet, 4, air outlet, the 5, first muffler, the 6, first blower fan, 7, the second muffler, the 8, second blower fan, 9, framework, 10, panel beating, 11, interior panel beating layer, 12, outer panel beating layer, 13, sound-proof foam, 14, sound absorbing layer, the 15, first bracing frame, the 16, second bracing frame.
Embodiment
Embodiment 1
A kind of hydraulic generator sound insulation outer cover, comprise cover body, cover body is surrounded by lamina tecti 1 and side plate 2, described lamina tecti 1 has air inlet 3 and air outlet 4, described air inlet 3 is connected with the first muffler 5, described first muffler 5 lower end is connected with the first blower fan 6 for absorbing cool ambient air, described air outlet 4 is connected with the second muffler 7, and described second muffler 7 lower end is connected with the second blower fan 8 for discharging cover body hot inside air.
The present embodiment is the most basic execution mode, and structure is simple, adopts said structure, fully can not only distribute the heat that unit in outer cover produces, and excellent noise reduction effect, effectively reduces the unit noise pollution that produces of environment to external world.
Embodiment 2
A kind of hydraulic generator sound insulation outer cover, comprise cover body, cover body is surrounded by lamina tecti 1 and side plate 2, described lamina tecti 1 has air inlet 3 and air outlet 4, described air inlet 3 is connected with the first muffler 5, described first muffler 5 lower end is connected with the first blower fan 6 for absorbing cool ambient air, described air outlet 4 is connected with the second muffler 7, and described second muffler 7 lower end is connected with the second blower fan 8 for discharging cover body hot inside air.
Described air inlet 3 and air outlet 4 are two, and any one air inlet 3 and an air outlet 4 form a ventilation heat exchange loop.
The present embodiment is a better embodiment, and any one air inlet 3 and an air outlet 4 form a ventilation heat exchange loop, can improve unit and extraneous ventilation heat exchange effect in outer cover further, and noise reduction is obvious.
Embodiment 3
A kind of hydraulic generator sound insulation outer cover, comprise cover body, cover body is surrounded by lamina tecti 1 and side plate 2, described lamina tecti 1 has air inlet 3 and air outlet 4, described air inlet 3 is connected with the first muffler 5, described first muffler 5 lower end is connected with the first blower fan 6 for absorbing cool ambient air, described air outlet 4 is connected with the second muffler 7, and described second muffler 7 lower end is connected with the second blower fan 8 for discharging cover body hot inside air.
Described air inlet 3 and air outlet 4 are two, and any one air inlet 3 and an air outlet 4 form a ventilation heat exchange loop.
Described side plate 2 comprises framework 9 and panel beating 10, and panel beating 10 is fixedly connected with on the frame 9.
Described panel beating 10 is made up of interior panel beating layer 11 and outer panel beating layer 12, and framework 9 is arranged between interior panel beating layer 11 and outer panel beating layer 12, and framework 9 is fixedly connected with outer panel beating layer 12 with interior panel beating layer 11 respectively.
The present embodiment is another better embodiment, and adopt said structure, not only outer cover overall tightness is good, and further increases outer cover overall construction intensity and noise reduction.
Embodiment 5
A kind of hydraulic generator sound insulation outer cover, comprise cover body, cover body is surrounded by lamina tecti 1 and side plate 2, described lamina tecti 1 has air inlet 3 and air outlet 4, described air inlet 3 is connected with the first muffler 5, described first muffler 5 lower end is connected with the first blower fan 6 for absorbing cool ambient air, described air outlet 4 is connected with the second muffler 7, and described second muffler 7 lower end is connected with the second blower fan 8 for discharging cover body hot inside air.
Described air inlet 3 and air outlet 4 are two, and any one air inlet 3 and an air outlet 4 form a ventilation heat exchange loop.
Described side plate 2 comprises framework 9 and panel beating 10, and panel beating 10 is fixedly connected with on the frame 9.
Described panel beating 10 is made up of interior panel beating layer 11 and outer panel beating layer 12, and framework 9 is arranged between interior panel beating layer 11 and outer panel beating layer 12, and framework 9 is fixedly connected with outer panel beating layer 12 with interior panel beating layer 11 respectively.
Sound-proof foam 13 is filled with between described interior panel beating layer 11 and outer panel beating layer 12.
Described interior panel beating layer 11 covers sound absorbing layer 14.
Described first blower fan 6 lower end is fixedly connected with the first bracing frame 15, second blower fan 8 lower end and is fixedly connected with the second bracing frame 16.
The present embodiment is preferred forms, sound-proof foam 13 is filled with between interior panel beating layer 11 and outer panel beating layer 12, sound-proof foam 13 has good soundproof effect, panel beating layer 11 and outer panel beating layer 12 in coordinating, and the noise produced whole unit serves the effect of significantly noise reduction; Interior panel beating layer 11 covers sound absorbing layer 14, and the noise that unit produces can be adsorbed by sound absorbing layer 14, thus weakens and be delivered to extraneous noise; By the setting of bracing frame, good support can be provided for blower fan and muffler, prevent blower fan and muffler from producing trickle rocking, ensure the job stability of blower fan and muffler.
The utility model is not limited to above-described embodiment, and according to the description of above-described embodiment, those of ordinary skill in the art also can make some apparent changes to the utility model, but these changes all should fall within the protection range of the utility model claim.
Claims (7)
1. a hydraulic generator sound insulation outer cover, comprise cover body, cover body is surrounded by lamina tecti (1) and side plate (2), it is characterized in that: described lamina tecti (1) has air inlet (3) and air outlet (4), described air inlet (3) is connected with the first muffler (5), described first muffler (5) lower end is connected with the first blower fan (6) for absorbing cool ambient air, described air outlet (4) is connected with the second muffler (7), described second muffler (7) lower end is connected with the second blower fan (8) for discharging cover body hot inside air.
2. a kind of hydraulic generator sound insulation outer cover according to claim 1, is characterized in that: described air inlet (3) and air outlet (4) are two, and any one air inlet (3) and an air outlet (4) form a ventilation heat exchange loop.
3. a kind of hydraulic generator sound insulation outer cover according to claim 1, is characterized in that: described side plate (2) comprises framework (9) and panel beating (10), and panel beating (10) is fixedly connected on framework (9).
4. a kind of hydraulic generator sound insulation outer cover according to claim 3, it is characterized in that: described panel beating (10) is made up of interior panel beating layer (11) and outer panel beating layer (12), framework (9) is arranged between interior panel beating layer (11) and outer panel beating layer (12), and framework (9) is fixedly connected with outer panel beating layer (12) with interior panel beating layer (11) respectively.
5. a kind of hydraulic generator sound insulation outer cover according to claim 4, is characterized in that: be filled with sound-proof foam (13) between described interior panel beating layer (11) and outer panel beating layer (12).
6. a kind of hydraulic generator sound insulation outer cover according to claim 4, is characterized in that: described interior panel beating layer (11) is covered sound absorbing layer (14).
7. a kind of hydraulic generator sound insulation outer cover according to claim 6, is characterized in that: described first blower fan (6) lower end is fixedly connected with the first bracing frame (15), and the second blower fan (8) lower end is fixedly connected with the second bracing frame (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420507635.6U CN204168053U (en) | 2014-09-04 | 2014-09-04 | A kind of hydraulic generator sound insulation outer cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420507635.6U CN204168053U (en) | 2014-09-04 | 2014-09-04 | A kind of hydraulic generator sound insulation outer cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204168053U true CN204168053U (en) | 2015-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420507635.6U Expired - Lifetime CN204168053U (en) | 2014-09-04 | 2014-09-04 | A kind of hydraulic generator sound insulation outer cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204168053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108978603A (en) * | 2018-05-31 | 2018-12-11 | 国网新源控股有限公司回龙分公司 | A kind of noise reduction system for power station |
-
2014
- 2014-09-04 CN CN201420507635.6U patent/CN204168053U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108978603A (en) * | 2018-05-31 | 2018-12-11 | 国网新源控股有限公司回龙分公司 | A kind of noise reduction system for power station |
| CN108978603B (en) * | 2018-05-31 | 2020-03-10 | 国网新源控股有限公司回龙分公司 | Noise reduction system for hydropower station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150218 |