CN108005963A - A kind of cabinet body structure of high-speed centrifugal fan - Google Patents
A kind of cabinet body structure of high-speed centrifugal fan Download PDFInfo
- Publication number
- CN108005963A CN108005963A CN201711453200.2A CN201711453200A CN108005963A CN 108005963 A CN108005963 A CN 108005963A CN 201711453200 A CN201711453200 A CN 201711453200A CN 108005963 A CN108005963 A CN 108005963A
- Authority
- CN
- China
- Prior art keywords
- silencer
- babinet
- mainframe
- fixed
- plate
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
- F04D29/664—Sound attenuation by means of sound absorbing material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a kind of cabinet body structure of high-speed centrifugal fan, including mainframe, power control cabinet, inlet filter and host, lower leaf is set on the mainframe and power control cabinet, host is fixed in mainframe, exhaust outlet is equipped with the outer wall of mainframe, built-in silencer and external silencer are further included, the built-in silencer is fixed in mainframe；External silencer is fixed on the outer wall of mainframe, and inlet filter is arranged on external silencer.Noise elimination effect of the present invention is good, rational in infrastructure.
Description
Technical field：
The present invention relates to a kind of cabinet body structure of high-speed centrifugal fan.
Background technology：
High-speed centrifugal fan employs that magnetic floats or empty floating axle is held and high-speed permanent magnetic synchronous motor technology mostly so that it is saved
Energy significant effect, is widely used in the industries such as medicine, environmental protection, chemical industry, oil.The cabinet structure of the wind turbine be divided into mainframe and
Power control cabinet two large divisions, the running speed of host is about 15000 revs/min~40000 revs/min in mainframe, the noise of wind turbine with
Based on medium-high frequency, if not carrying out noise reduction control to it, work and the life of neighbouring resident that will be to on-site personnel cause
Puzzlement, can influence the physical and mental health of people when serious.
Existing wind turbine cabinet shape is generally distributed in mainframe in hexahedron, inlet filter and exhaust outlet, machine
Cabinet door plate is welded using cold-reduced sheet, and fills single deadener, it is difficult to which the high-frequency noise for absorbing or blocking wind turbine to produce, disappears
Sound effective value is undesirable.The host being particularly in wind turbine cabinet is the main source of noise source, and host and inlet filter
Directly communicate, the noise sent by host, which is easy to spread out of from inlet filter, reaches human ear, therefore, it is necessary to cabinet and
Gas channel between wind turbine host and inlet filter carries out noise-reducing design.
The content of the invention：
The present invention is to provide a kind of cabinet of high-speed centrifugal fan to solve the above-mentioned problems of the prior art
Structure.
The technical solution adopted in the present invention has：A kind of cabinet body structure of high-speed centrifugal fan, including it is mainframe, automatically controlled
Cabinet, inlet filter and host, on the mainframe and power control cabinet lower leaf set, host is fixed in mainframe, in host
The outer wall of cabinet is equipped with exhaust outlet, further includes built-in silencer and external silencer, and the built-in silencer is fixed on mainframe
It is interior；Put silencer to be fixed on the outer wall of mainframe, inlet filter is arranged on external silencer；
The built-in silencer includes small muffler plate, big muffler plate and babinet, and two pieces of small muffler plates are symmetrically fixed on babinet
It is interior, and the first gap is formed between two small muffler plates, big muffler plate is fixed in babinet, and big muffler plate is in the first gap
Side；The babinet is rectangular configuration, and the port wall on babinet and positioned at small muffler plate side stretches out and forms platform-like
Extension edge；
The external silencer includes filter adaptor, V-type muffler plate and external silencer babinet, some V-types
It is fixed on after muffler plate is overlapped mutually and by screw in external silencer babinet, filter adaptor is fixed on external silencer
On the end face of babinet, inlet filter is fixed on filter adaptor.
Further, small muffler plate and big muffler plate are arc-shaped.
Further, the side plate of the side plate of the babinet, the side plate of mainframe and power control cabinet uses combined type noise reduction
Plate, the combined type acoustical panel include cold-reduced sheet, macromolecule damping felt, acoustical cotton, non-woven fabrics and galvanized sheet, the macromolecule damping
By glue adhesion between felt and cold-reduced sheet, after acoustical cotton is by non-woven wraps, paving is pressed on macromolecule damping felt, galvanized sheet
It is connected by screw between cold-reduced sheet.
Further, the galvanized sheet is equipped with some through holes.
Further, the small muffler plate, big muffler plate, V-type muffler plate and external silencer babinet use combined type
Acoustical panel is made.
Further, the filter adaptor is made of cold-reduced sheet.
The present invention has the advantages that：
1. built-in silencer and external silencer are combined, the advantage of the two sound absorption can be played, by the noise of cabinet
Amount is blocked in cabinet, in the case where cabinet dimensions do not adjust, is consumed the noise energy in cabinet to greatest extent, is made
Fan noise level is in optimum state；
2. when carrying out maintaining to external silencer, inlet filter directly can be arranged close to built-in silencer
The cabinet in outside is connected, and when built-in silencer needs replacing or carries out maintaining, external silencer can be continuing with, no
The noise of wind turbine can be made to increase many, realize the complementarity of built-in silencer and external silencer；
3. Combined type muffler can realize split type assembling, i.e., after batch production, respectively by built-in silencer and external
Silencer assembles, then by client actual demand match silencer type, after silencer is run to curstomer's site, then with wind
Machine body is assembled, and modular individual is more advantageous to long-distance transportation.
Brief description of the drawings：
Fig. 1 to Fig. 4 is structure chart of the present invention.
Fig. 5 is the structure chart of silencer built in the present invention.
Fig. 6 is the structure chart of the external silencer of the present invention.
Fig. 7 and Fig. 8 is the structure chart of combined type acoustical panel in the present invention.
Fig. 9 is the structure chart of galvanized sheet in the present invention.
Embodiment：
The present invention is further illustrated below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, the present invention discloses a kind of cabinet body structure of high-speed centrifugal fan, including mainframe 101,
Lower leaf is set in power control cabinet 102, inlet filter 63 and host 603, mainframe 101 and power control cabinet 102, and host 603 is fixed
In in mainframe 101, exhaust outlet 36 is equipped with the outer wall of mainframe 101, further includes built-in silencer 605 and external silencer
606, built-in silencer 605 is fixed in mainframe 101；External silencer 606 is fixed on built-in silencer 605, into making a slip of the tongue
Filter 63 is arranged on external silencer 606.
Such as Fig. 5, built-in silencer 605 includes small muffler plate 601, big muffler plate 602 and babinet 604, two pieces of small muffler plates
601 are symmetrically fixed in babinet 604, and the first gap is formed between two small muffler plates 601, and big muffler plate 602 is fixed on babinet
In 604, and big muffler plate 602 is located at the inner side in the first gap.Babinet 604 is rectangular configuration, on babinet 604 and is located at small noise elimination
The port wall of 601 side of plate stretches out and forms the extension edge 6040 of platform-like, and babinet 604 is fixed on by extension edge 6040
In mainframe 101, extension edge 6040 plays sealing function, avoids the junction of babinet 604 and mainframe 101 from producing leakage sound, from
And influence erasure effect.
Small muffler plate 601 and big muffler plate 602 are arc-shaped, and noise reduction area is big.
Such as Fig. 6, external silencer 606 includes filter adaptor 607, V-type muffler plate 608 and external silencer babinet
609, it is fixed on after some V-type muffler plates 608 are overlapped mutually and by screw in external silencer babinet 609, filter
Adaptor 607 is fixed on the end face of external silencer babinet 609, and inlet filter 63 is fixed on filter adaptor 607.
With reference to Fig. 7 to Fig. 9, the side plate of the side plate of middle case 604 of the present invention, the side plate of mainframe 101 and power control cabinet 102
Combined type acoustical panel is used, which includes cold-reduced sheet 1, macromolecule damping felt 2, acoustical cotton 3,4 and of non-woven fabrics
Galvanized sheet 5, passes through glue adhesion, after acoustical cotton 3 is wrapped up by non-woven fabrics 4, paving pressure between macromolecule damping felt 2 and cold-reduced sheet 1
On macromolecule damping felt 2, it is connected by screw between galvanized sheet 5 and cold-reduced sheet 1.
Cold-reduced sheet 1, is made of cold rolled carbon steel sheet, its thickness is 1.2~2.5mm, it is preferred to use 2.0mm.
Macromolecule damps felt 2, which is made of hot pressing, calendering process, and fire-retardant rank is B grades, surface density 2.0
~3.5kg/m2, it is preferred to use 3.0kg/m2, thickness is 1.0~3.0mm, preferably 2.0mm.
Foamed, polyester fiber cotton of mineral wool, mineral wool, polyurethanes etc. can be selected in acoustical cotton 3, the material, it is preferred to use ring
Class material polyester fiber cotton is protected, thickness is 30~80mm, preferably 50mm, and unit weight (volume density) is 26~50kg/m3, preferably
40kg/m3。
Non-woven fabrics 4, the preferably environmentally friendly off-white color polypropylene (PP) of material.
Galvanized sheet 5, its thickness are 1.0mm~2.5mm, preferably 1.2mm, are equipped with some through holes 51 on galvanized sheet 5, every piece
The ratio of area before the sum of area of all perforation circles of galvanized sheet 5 divided by entire plate are puncherless should be more than 23%, i.e.,
(0.25*π*d2* n)/(A1*B1) ＞ 23%, wherein d are the diameter of through hole 51, and S is adjacent 51 distance of center circle of through hole of galvanized sheet
From, S=2d, and d=3~8mm, preferably d=5mm, n is the perforation number (as shown in Figure 4) of whole perforated plate, whole combined type
The thickness of acoustical panel is δ, δ=30~80mm, preferably 50mm.
Small muffler plate 601, big muffler plate 602, V-type muffler plate 608 and external silencer babinet 609 are disappeared using combined type
Soundboard is made.
Inlet filter 63 is installed on the inlet filter adaptor 607 of external silencer 606, filter adaptor
607 are connected with external silencer babinet 609 by bolt, and external silencer 606 uses hexagon socket head cap screw by phase with cabinet 100
Even.
V-type muffler plate employs combined type noise reduction harden structure, and difference is that it has used two layers of sound-absorbing cotton structure, outside
It is vertically uniformly distributed to put 6 V-type muffler plates 608 in silencer babinet 609, and inverted " V " shape is presented, and by cold rolling
Upward, the side of zinc-plated porous plate is downward for the side of steel plate.
Inlet filter adaptor 607 is formed using cold-reduced sheet Bending Processing, its design size needs to take into account external disappear
The size of sound device babinet 609 and inlet filter 63, is advisable with realizing effectively to connect them.
The outside of inlet filter 63 is equipped with and is equipped with fine filtering net and coarse filtration net successively.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, some improvement can also be made without departing from the principle of the present invention, these improvement also should be regarded as the present invention's
Protection domain.
Claims (6)
1. a kind of cabinet body structure of high-speed centrifugal fan, including mainframe (101), power control cabinet (102), inlet filter (63)
With host (603), on the mainframe (101) and power control cabinet (102) lower leaf set, host (603) is fixed on mainframe
(101) in, exhaust outlet (36) is equipped with the outer wall of mainframe (101), it is characterised in that：Further include built-in silencer (605)
With external silencer (606), the built-in silencer (605) is fixed in mainframe (101)；External silencer (606) is fixed
It is fixed in external silencer on the outer wall of mainframe (101), inlet filter (63) is arranged on external silencer (606)；
The built-in silencer (605) includes small muffler plate (601), big muffler plate (602) and babinet (604), two pieces of small noise eliminations
Plate (601) is symmetrically fixed in babinet (604), and the first gap, big muffler plate (602) are formed between two small muffler plates (601)
It is fixed in babinet (604), and big muffler plate (602) is located at the inner side in the first gap；The babinet (604) is rectangular configuration,
Port wall on babinet (604) and positioned at small muffler plate (601) side stretches out and forms the extension edge (6040) of platform-like；
The external silencer (606) includes filter adaptor (607), V-type muffler plate (608) and external silencer babinet
(609), it is fixed on after some V-type muffler plates (608) are overlapped mutually and by screw in external silencer babinet (609),
Filter adaptor (607) is fixed on the end face of external silencer babinet (609), and inlet filter (63) is fixed on filter
On adaptor (607).
2. the cabinet body structure of high-speed centrifugal fan as claimed in claim 1, it is characterised in that：Small muffler plate (601) and big
Muffler plate (602) is arc-shaped.
3. the cabinet body structure of high-speed centrifugal fan as claimed in claim 1, it is characterised in that：The side of the babinet (604)
The side plate of plate, the side plate of mainframe (101) and power control cabinet (102) uses combined type acoustical panel, the combined type acoustical panel bag
Cold-reduced sheet (1), macromolecule damping felt (2), acoustical cotton (3), non-woven fabrics (4) and galvanized sheet (5) are included, the macromolecule damps felt
(2) by glue adhesion between cold-reduced sheet (1), after acoustical cotton (3) is wrapped up by non-woven fabrics (4), paving is pressed in macromolecule damping
On felt (2), it is connected by screw between galvanized sheet (5) and cold-reduced sheet (1).
4. the cabinet body structure of high-speed centrifugal fan as claimed in claim 3, it is characterised in that：Set on the galvanized sheet (5)
There are some through holes (51).
5. the cabinet body structure of high-speed centrifugal fan as claimed in claim 3, it is characterised in that：The small muffler plate (601),
Big muffler plate (602), V-type muffler plate (608) and external silencer babinet (609) are made of combined type acoustical panel.
6. the cabinet body structure of high-speed centrifugal fan as claimed in claim 1, it is characterised in that：The filter adaptor
(607) it is made of cold-reduced sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711453200.2A CN108005963A (en) | 2017-12-28 | 2017-12-28 | A kind of cabinet body structure of high-speed centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711453200.2A CN108005963A (en) | 2017-12-28 | 2017-12-28 | A kind of cabinet body structure of high-speed centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108005963A true CN108005963A (en) | 2018-05-08 |
Family
ID=62061949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711453200.2A Withdrawn CN108005963A (en) | 2017-12-28 | 2017-12-28 | A kind of cabinet body structure of high-speed centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108005963A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404345A (en) * | 2018-12-18 | 2019-03-01 | 南京磁谷科技有限公司 | A kind of air inlet noise-reducing structure of magnetic suspension blower |
| CN110017304A (en) * | 2019-05-21 | 2019-07-16 | 安徽虎渡科达流体机械有限公司 | A kind of noise elimination filter device |
| CN112833033A (en) * | 2021-01-06 | 2021-05-25 | 苏州保邦电气有限公司 | Silencer of air blower |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204139360U (en) * | 2014-10-13 | 2015-02-04 | 上海然贝声学环保工程有限公司 | Plug-in type Felt |
| CN104805920A (en) * | 2015-05-07 | 2015-07-29 | 商丘市金桥环保科技有限公司 | Noise elimination device for generator room |
| CN204627362U (en) * | 2015-05-08 | 2015-09-09 | 成都市新筑路桥机械股份有限公司 | A kind of ventilating noise-elimination unit board |
| CN106762730A (en) * | 2016-12-19 | 2017-05-31 | 南京磁谷科技有限公司 | A kind of magnetic suspension cfentrifugal blower |
| CN208057525U (en) * | 2017-12-28 | 2018-11-06 | 南京磁谷科技有限公司 | A kind of cabinet body structure of high-speed centrifugal fan |
-
2017
- 2017-12-28 CN CN201711453200.2A patent/CN108005963A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204139360U (en) * | 2014-10-13 | 2015-02-04 | 上海然贝声学环保工程有限公司 | Plug-in type Felt |
| CN104805920A (en) * | 2015-05-07 | 2015-07-29 | 商丘市金桥环保科技有限公司 | Noise elimination device for generator room |
| CN204627362U (en) * | 2015-05-08 | 2015-09-09 | 成都市新筑路桥机械股份有限公司 | A kind of ventilating noise-elimination unit board |
| CN106762730A (en) * | 2016-12-19 | 2017-05-31 | 南京磁谷科技有限公司 | A kind of magnetic suspension cfentrifugal blower |
| CN208057525U (en) * | 2017-12-28 | 2018-11-06 | 南京磁谷科技有限公司 | A kind of cabinet body structure of high-speed centrifugal fan |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404345A (en) * | 2018-12-18 | 2019-03-01 | 南京磁谷科技有限公司 | A kind of air inlet noise-reducing structure of magnetic suspension blower |
| CN110017304A (en) * | 2019-05-21 | 2019-07-16 | 安徽虎渡科达流体机械有限公司 | A kind of noise elimination filter device |
| CN112833033A (en) * | 2021-01-06 | 2021-05-25 | 苏州保邦电气有限公司 | Silencer of air blower |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108005963A (en) | A kind of cabinet body structure of high-speed centrifugal fan | |
| CN105509119B (en) | Denoising device and range hood | |
| CN101775851A (en) | Grate muffler and preparation method thereof | |
| CN103807996B (en) | Muffler | |
| CN207864263U (en) | A kind of cabinet structure of the high-speed centrifugal fan with built-in silencer | |
| CN106014545A (en) | Novel silencer for engine | |
| CN208057525U (en) | A kind of cabinet body structure of high-speed centrifugal fan | |
| CN205167707U (en) | Sound cotton inhales | |
| CN204471969U (en) | A kind of acoustical cotton | |
| CN108252960A (en) | A kind of noise elimination cabinet of high-speed centrifugal fan | |
| CN208057526U (en) | A kind of noise elimination cabinet of high-speed centrifugal fan | |
| CN106150601A (en) | Combined type muffler | |
| CN208057527U (en) | A kind of cabinet structure of the external silencer of high-speed centrifugal fan | |
| CN203573642U (en) | Sound absorption structure | |
| CN108252959A (en) | A kind of cabinet structure of the high-speed centrifugal fan with built-in silencer | |
| CN207314568U (en) | A kind of efficiently middle low frequency absorption mechanism of substation | |
| CN207750291U (en) | A kind of combined type muffler plate for high-speed centrifugal fan cabinet | |
| Zhai et al. | Experimental study on the noise characteristics regarding axial auxiliary fans and the noise reduction performance of mufflers | |
| CN108119410A (en) | A kind of combined type muffler plate for high-speed centrifugal fan cabinet | |
| CN108061064A (en) | A kind of cabinet structure of the external silencer of high-speed centrifugal fan | |
| CN103398407B (en) | A kind of oil smoke Separated sound deadening purifying box | |
| CN205225622U (en) | Make an uproar device and compressor fall | |
| CN202646174U (en) | Sound-proofing tapered diffusion core cylinder of mine axial flow fan | |
| CN207048098U (en) | A kind of sandwich sound-absorbing composite board | |
| CN207165230U (en) | A kind of strip-type silencer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180508 |