CN207864263U - A kind of cabinet structure of the high-speed centrifugal fan with built-in silencer - Google Patents
A kind of cabinet structure of the high-speed centrifugal fan with built-in silencer Download PDFInfo
- Publication number
- CN207864263U CN207864263U CN201721869803.6U CN201721869803U CN207864263U CN 207864263 U CN207864263 U CN 207864263U CN 201721869803 U CN201721869803 U CN 201721869803U CN 207864263 U CN207864263 U CN 207864263U
- Authority
- CN
- China
- Prior art keywords
- silencer
- built
- mainframe
- babinet
- 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.)
- Active
Links
Landscapes
- Exhaust Silencers (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of cabinet structures of the high-speed centrifugal fan with built-in silencer, lower leaf is arranged on mainframe and power control cabinet, host is fixed in mainframe, inlet filter is set on the outer wall of mainframe, exhaust outlet is equipped on the outer wall of mainframe, further include built-in silencer, the built-in silencer is fixed in mainframe；Built-in silencer includes small muffler plate, big muffler plate and babinet, two pieces of small muffler plates are symmetrically fixed on the inner wall of babinet, and the first gap is formed between two small muffler plates, and big muffler plate is fixed in babinet, and big muffler plate is located at the inside in the first gap, and it is parallel with the first gap；The babinet is rectangular configuration, and the port wall on babinet and positioned at small muffler plate side extends outwardly and forms the extension edge of platform-like.The utility model noise elimination effect is good, reasonable for structure.
Description
Technical field：
The utility model is related to a kind of cabinet structures of the high-speed centrifugal fan with built-in silencer.
Background technology：
High-speed centrifugal fan uses the floating or empty floating axle of magnetic and holds 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, the work of on-site personnel and the life of neighbouring resident will be caused
Puzzlement, can influence the physical and mental health of people when serious.
Existing wind turbine cabinet shape is generally distributed in hexahedron, inlet filter and exhaust outlet in mainframe, 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 generate disappears
Sound effective value is undesirable.To increase noise elimination effect, acoustical panel is often added in cabinet, due to by structure design and technological level
It limits, plate inconvenience filling deadener in cabinet top plate and cabinet so that fan noise readily penetrates through cabinet top plate and cabinet
Middle plate, to reduce the sound absorption effect of cabinet entirety.
Utility model content：
The utility model is provided a kind of with built-in silencer to solve the above-mentioned problems of the prior art
The cabinet structure of high-speed centrifugal fan.
Technical solution used by the utility model has：A kind of cabinet of the high-speed centrifugal fan with built-in silencer
Structure, including mainframe, power control cabinet, inlet filter and host, lower leaf setting, host are solid on the mainframe and power control cabinet
Due in mainframe, inlet filter is set on the outer wall of mainframe, and exhaust outlet is equipped on the outer wall of mainframe, further includes interior
Silencer is set, the built-in silencer is fixed in mainframe；The built-in silencer includes small muffler plate, big muffler plate and case
Body, two pieces of small muffler plates are symmetrically fixed on the inner wall of babinet, and the first gap is formed between two small muffler plates, and big muffler plate is solid
Due in babinet, and big muffler plate is located at the inside in the first gap, and parallel with the first gap；The babinet is rectangle knot
Structure, the port wall on babinet and positioned at small muffler plate side extend outwardly and form the extension edge of platform-like.
Further, the outside on the outer wall of the mainframe and positioned at inlet filter is equipped with is equipped with fine filtering successively
Net and coarse filtration net.
Further, the side plate of the side plate of the babinet, the side plate of mainframe and power control cabinet is all made of 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 several through-holes.
Further, the small muffler plate and big muffler plate are formed by stacking by two pieces of combined type acoustical panels.
The utility model has the advantages that：
The large and small muffler plate of outer-layer box body and board-type of silencer built in 1. has been all made of combined type noise elimination harden structure, directly
The large and small muffler plate of template is located in the babinet, when noise is by built-in silencer, can be effectively reduced noise and penetrate mainframe
Plate in top plate and cabinet, to enhance the sound insulation effect of cabinet；
2. noise is by built-in silencer babinet, contact area bigger improves sound absorption effect；
3. " L " type (extension edge 6040) structure of silencer babinet built in is located on the inside of the rack column of cabinet inlet side,
It can effectively prevent noise directly through rack column, generate leakage sound, further reduced the overall noise of cabinet；
4. the large and small muffler plate of board-type is mounted on built-in silencer babinet, when assembly, first assembles built-in silencer,
It is connected again with cabinet, built-in silencer is as an independent muffler part, can be with the wind turbine machine of same type after mass production
Cabinet carries out random combine.
Description of the drawings：
Fig. 1 to Fig. 4 is the utility model structure chart.
Fig. 5 to Fig. 8 is the structure chart of built-in silencer in the utility model.
Fig. 9 and Figure 10 is the structure chart of combined type acoustical panel in the utility model.
Figure 11 is the structure chart of galvanized sheet in the utility model.
Specific implementation mode：
The utility model will be further described below with reference to the accompanying drawings.
As shown in Figures 1 to 4, the utility model discloses a kind of cabinet of the high-speed centrifugal fan with built-in silencer
Structure, including mainframe 101, power control cabinet 102, inlet filter 63 and host 603, mainframe 101 and about 102 power control cabinet point
Layer setting, host 603 are fixed in mainframe 101, and inlet filter 63 is set on the outer wall of mainframe 101, in mainframe 101
Outer wall be equipped with exhaust outlet 36, further include built-in silencer 605, the built-in silencer 605 is fixed in mainframe 101.
Such as Fig. 5 to Fig. 8, built-in silencer 605 includes small muffler plate 601, big muffler plate 602 and babinet 604, two pieces small to disappear
Sound plate 601 is symmetrically fixed on the inner wall of 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 inside in the first gap, and parallel with the first gap.Babinet 604 is
Rectangular configuration, the port wall on babinet 604 and positioned at 601 side of small muffler plate extend outwardly and form the extension edge of platform-like
6040。
Outside on the outer wall of mainframe 101 and positioned at inlet filter 63 is equipped with is equipped with fine filtering net and thick mistake successively
Strainer.
In conjunction with Fig. 9 to Figure 11, the side plate of the side plate of babinet 604, the side plate of mainframe 101 and power control cabinet 102 is all made of
Combined type acoustical panel, the combined type acoustical panel include cold-reduced sheet 1, macromolecule damping felt 2, acoustical cotton 3, non-woven fabrics 4 and galvanized sheet
5, macromolecule is damped by glue adhesion between felt 2 and cold-reduced sheet 1, and after acoustical cotton 3 is wrapped up by non-woven fabrics 4, paving is pressed in high score
On son 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, and 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, and preferably 50mm, 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, thickness be 1.0mm~2.5mm, preferably 1.2mm, on galvanized sheet 5 be equipped with several through-holes 51, 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 23% or more, 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 are the perforation number (as shown in Figure 4) of entire perforated plate, entire combined type
The thickness of acoustical panel is δ, δ=30~80mm, preferably 50mm.
Small muffler plate 601 and big muffler plate 602 are formed by stacking by two pieces of combined type acoustical panels.
When fan operation, gas passes through coarse filtration net and fine filtering net by inlet filter 63, into built-in silencer
605, it by the sucking of host 603, compression, is then discharged from exhaust outlet 36, downstream user pipeline is reached, at this point, host 603 is main
Noise source, noise pass through built-in silencer 605 to ambient radiation, are spread out of from inlet filter 63 and reach human ear, board-type is small to disappear
Sound plate 601 and the big muffler plate 602 of board-type are mounted in babinet 604, and 605 structure of built-in silencer has sound absorption effect, can
The noise at fan inlet is greatly reduced；
The thickness of the big muffler plate of board-type and the small muffler plate of board-type is the thickness of 2 times of machine cabinet door plate, i.e. 2 δ, and case
The thickness for 100 door-plate of cabinet that the thickness of body 604 is 1 times, i.e. δ；
The large and small muffler plate of board-type is as follows in the installation site method for determining dimension of box inside：
The small muffler plate of two board-types 601 is S1 at a distance from built-in silencer air inlet, and S1 >=δ, wherein δ are cabinets
The thickness of door-plate.The distance between two small muffler plates of board-type are L1, the big muffler plate 602 of board-type and the small muffler plate of board-type
The distance between 601 be S2, and the big muffler plate 602 of board-type is L2, the small muffler plate of board-type at a distance from 604 both sides of babinet
601 and the height of the big muffler plate of board-type 602 be H, H=H1-2 δ, wherein H1 be in cabinet between plate and cabinet top plate away from
From.And the value size of L1, S2 and L2 are related with by their air inlet flow velocity, it is assumed that fan inlet maximum enters the wind volume flow
For Qmax (m3/ s), then there are L1 >=105·Qmax·H-1, L2 >=105·Qmax·H-1And L1 ＞ 2 (L2), S2 >=105·
Qmax·H-1。
After the installation site that the large and small muffler plate of board-type is determined, the appearance and size of built-in silencer also determines that, tool
Body method is as follows：
The horizontal distance of the width dimensions X2 flange parallel with rack column two of built-in silencer 605 is equal, built-in to disappear
The length dimension Y2=S1+S2+6.5 δ of sound device, the height H1 of built-in silencer by between plate in cabinet and cabinet top plate away from
From decision.
After the appearance and size that built-in silencer 605 is determined, the width dimensions of large and small muffler plate are just by babinet 605
Chamber size determines that the specific method is as follows：The thickness of the large and small muffler plate of board-type is 2 δ, the height of the large and small muffler plate of board-type
It is H, width=Yj-2 (L2+ δ) of the big muffler plate of board-type, width=0.5 (Yj-L1-2 δ) of small muffler plate.
Before the host 603 of wind turbine and each door-plate are not installed, first the built-in silencer being completed is passed through with cabinet
Hexagon socket head cap screw is connected, and then installs inlet filter 63 again, finally installs host 603 and other machine cabinet door plates.
Built-in silencer 605 is that tool is directive, when mounted, should by 605 air inlet side of built-in silencer with into making a slip of the tongue
Filter 63 and rack column flange are connected, and built-in silencer 605 goes out gas side towards host 603.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
It for art personnel, can also make several improvements without departing from the principle of this utility model, these improvement also should be regarded as
The scope of protection of the utility model.
Claims (5)
1. a kind of cabinet structure of the high-speed centrifugal fan with built-in silencer, including mainframe (101), power control cabinet
(102), inlet filter (63) and host (603), lower leaf setting, host on the mainframe (101) and power control cabinet (102)
(603) it is fixed in mainframe (101), inlet filter (63) is set on the outer wall of mainframe (101), in mainframe (101)
Outer wall be equipped with exhaust outlet (36), it is characterised in that：Further include built-in silencer (605), the built-in silencer (605) is solid
Due in mainframe (101)；The built-in silencer (605) includes small muffler plate (601), big muffler plate (602) and babinet
(604), two pieces small muffler plate (601) is symmetrically fixed on the inner wall of babinet (604), and is formed between two small muffler plates (601)
First gap, big muffler plate (602) are fixed in babinet (604), and big muffler plate (602) is located at the inside in the first gap, and
It is parallel with the first gap；The babinet (604) is rectangular configuration, on babinet (604) and positioned at small muffler plate (601) side
Port wall extends outwardly and forms the extension edge (6040) of platform-like.
2. the cabinet structure of the high-speed centrifugal fan with built-in silencer as described in claim 1, it is characterised in that：Institute
The outside on the outer wall of mainframe (101) and positioned at inlet filter (63) is stated to be equipped with successively equipped with fine filtering net and coarse filtration
Net.
3. the cabinet structure of the high-speed centrifugal fan with built-in silencer as described in claim 1, it is characterised in that：Institute
The side plate for stating the side plate of babinet (604), the side plate of mainframe (101) and power control cabinet (102) is all made of combined type acoustical panel, should
Combined type acoustical panel includes cold-reduced sheet (1), macromolecule damping felt (2), acoustical cotton (3), non-woven fabrics (4) and galvanized sheet (5), described
Macromolecule is damped by glue adhesion between felt (2) and cold-reduced sheet (1), after acoustical cotton (3) is wrapped up by non-woven fabrics (4), paving pressure
On macromolecule damping felt (2), it is connected by screw between galvanized sheet (5) and cold-reduced sheet (1).
4. the cabinet structure of the high-speed centrifugal fan with built-in silencer as claimed in claim 3, it is characterised in that：Institute
It states galvanized sheet (5) and is equipped with several through-holes (51).
5. the cabinet structure of the high-speed centrifugal fan with built-in silencer as claimed in claim 3, it is characterised in that：Institute
Small muffler plate (601) and big muffler plate (602) is stated to be formed by stacking by two pieces of combined type acoustical panels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721869803.6U CN207864263U (en) | 2017-12-28 | 2017-12-28 | A kind of cabinet structure of the high-speed centrifugal fan with built-in silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721869803.6U CN207864263U (en) | 2017-12-28 | 2017-12-28 | A kind of cabinet structure of the high-speed centrifugal fan with built-in silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207864263U true CN207864263U (en) | 2018-09-14 |
Family
ID=63467011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721869803.6U Active CN207864263U (en) | 2017-12-28 | 2017-12-28 | A kind of cabinet structure of the high-speed centrifugal fan with built-in silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207864263U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252959A (en) * | 2017-12-28 | 2018-07-06 | 南京磁谷科技有限公司 | A kind of cabinet structure of the high-speed centrifugal fan with built-in silencer |
| CN112049821A (en) * | 2020-09-27 | 2020-12-08 | 江苏恒康机电有限公司 | Adjustable type equipment fan box easy to assemble |
-
2017
- 2017-12-28 CN CN201721869803.6U patent/CN207864263U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252959A (en) * | 2017-12-28 | 2018-07-06 | 南京磁谷科技有限公司 | A kind of cabinet structure of the high-speed centrifugal fan with built-in silencer |
| CN112049821A (en) * | 2020-09-27 | 2020-12-08 | 江苏恒康机电有限公司 | Adjustable type equipment fan box easy to assemble |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203274204U (en) | Noise reduction structure of air conditioner indoor cabinet, air conditioner indoor cabinet and air conditioner | |
| CN207864263U (en) | A kind of cabinet structure of the high-speed centrifugal fan with built-in silencer | |
| CN104485096B (en) | A kind of noise reduction absorbent treatment | |
| CN205689271U (en) | A kind of electromotor Novel muffler | |
| CN108005963A (en) | A kind of cabinet body structure of high-speed centrifugal fan | |
| CN204186643U (en) | Spiral case and comprise the blower fan of this spiral case | |
| CN108252960A (en) | A kind of noise elimination cabinet of high-speed centrifugal fan | |
| CN107237414A (en) | A kind of microporous aluminosilicates fiber sandwich sound-absorbing composite board | |
| CN208057526U (en) | A kind of noise elimination cabinet of high-speed centrifugal fan | |
| CN104314874A (en) | Volute and fan comprising volute | |
| CN108252959A (en) | A kind of cabinet structure of the high-speed centrifugal fan with built-in silencer | |
| CN208057525U (en) | A kind of cabinet body structure of high-speed centrifugal fan | |
| CN206711599U (en) | A kind of cycle born of the same parents structure composite sound panel | |
| CN208057527U (en) | A kind of cabinet structure of the external silencer of high-speed centrifugal fan | |
| CN203573642U (en) | Sound absorption structure | |
| CN206512624U (en) | Sound-proof sound-absorbing plate | |
| CN207750291U (en) | A kind of combined type muffler plate for high-speed centrifugal fan cabinet | |
| CN209244016U (en) | Soundproof brick body | |
| CN108119410A (en) | A kind of combined type muffler plate for high-speed centrifugal fan cabinet | |
| CN206784642U (en) | A kind of green building wall | |
| CN206408985U (en) | A kind of noise reduction room for generator | |
| CN108061064A (en) | A kind of cabinet structure of the external silencer of high-speed centrifugal fan | |
| CN205502292U (en) | Syllable -dividing wall of making an uproar falls | |
| CN209444626U (en) | A kind of main fan noise eliminating silencer | |
| CN210531248U (en) | Fan silencer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 99, Jinxin Middle Road, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Nanjing Cigu Technology Co., Ltd Address before: Nine No. 211102 Bamboo Road, Jiangning Development Zone, Nanjing, Jiangsu, 100 Patentee before: NANJING CIGU LIMITED Corp. |
|
| CP03 | Change of name, title or address |