CN2625624Y - Square low noise axial fan - Google Patents
Square low noise axial fan Download PDFInfo
- Publication number
- CN2625624Y CN2625624Y CN 03248219 CN03248219U CN2625624Y CN 2625624 Y CN2625624 Y CN 2625624Y CN 03248219 CN03248219 CN 03248219 CN 03248219 U CN03248219 U CN 03248219U CN 2625624 Y CN2625624 Y CN 2625624Y
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- CN
- China
- Prior art keywords
- fan
- plate
- low noise
- square
- axial fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A square noiseless axial flow fan comprising fan blades and a motor connected with the blades is characterized in that a fan cover coating fan blades and the motor takes the shape of a square, and the wind outlet of the fan in the fan cover is provided with one line or more than one lines of sound absorbing tablets which comprise two perforating plates arranged in parallel. The internal sides of the two perforating plates are adhered with a glass cloth, and the fillers are filled between the two glass clothes. Wherein, the fillers can adopt the super-fine glass surface sound absorption material, and the glass cloth adopts a plain weave non-alkali glass fiber cloth. The perforating plate adopts the armor plate, the galvanized sheet, the spraying plastics plate or the stainless steel plate with the perforation ratio by 15 percent to 25 percent. Keels are arranged in the sound absorbing tablets. The utility model has the advantages of simple structure, easy realization, good heat dissipation and ventilation effect, the corresponding prolongation of the service life of the fan, time-saving and convenient when connecting with other devices. At the same time, the sound absorbing tablets in the fan can absorb the noise, thus further eliminating environment pollution.
Description
Technical field:
The utility model relates to the ventilation and heat blower fan, is specifically related to the improvement to existing axial-flow blower.
Background technique:
At present, be used for that the axial-flow blower outer cover all adopts circular outer cover on the sound insulation noise control equipment, because this outer cover is a kind of coated structure that forms according to fan blade, for the heat dissipation ventilation performance of blower fan itself, certain narrow limitation is arranged, simultaneously, because outer cover is shaped as circle, must be in addition when being connected with devices such as other parts such as silencing apparatuss a fitting seat is set could be supporting with it and fixing, very inconvenient during installation.In addition, when blower sizes is big, can send bigger noise, influence surrounding environment.
The model utility content:
Technical problem to be solved in the utility model is the defective that overcomes present prior art, and a kind of good heat dissipation effect is provided, and installs to connect conveniently the axial-flow blower of low noise.
The utility model is to solve the problems of the technologies described above by following technological scheme.It comprises fan blade and the motor that links with it, the fan shroud that it is characterized in that coating fan blade and motor is square, a row and the above sound absorption plate of a row are equipped with in fan shroud inner blower exhaust outlet place, this sound absorption plate comprises two perforated plates that be arranged in parallel, two perforated plate inboards are fitted with glass cloth, between two glass cloth packing is housed, wherein packing can adopt superfine glass face sound-absorbing material, glass cloth adopts the plain weave alkali-free glass fiber cloth, and perforated plate employing punching rate is 15%～25% steel plate, galvanized sheet, plastic-blasting plate or corrosion resistant plate.In sound absorption plate, also be provided with keel.
The utility model is simple in structure, realizes easily having heat dissipation ventilation effect preferably, and corresponding prolongation in the working life of blower fan connects with other devices and saves trouble, makes things convenient for when installing.Simultaneously, set sound absorption plate can absorb the sound that it sends in the blower fan, has further eliminated environmental pollution.
Description of drawings:
Fig. 1 is the utility model structural front view;
Fig. 2 is the A-A sectional drawing of the utility model Fig. 1;
Fig. 3 is the B-B sectional drawing of the utility model Fig. 1;
Fig. 4 is the utility model sound absorption plate sectional drawing.
Among the figure:
1-fan blade 2-motor; 3-fan shroud 4-sound absorption plate;
The 5-packing; The 6-keel; The 7-perforated plate; The 8-glass cloth.
Embodiment:
The utility model is the improvement of carrying out on existing axial-flow blower.As Fig. 1, Fig. 2, shown in Figure 3, it comprises fan blade 1 and links with it and drive its motor rotating 2, the fan shroud 3 that it is characterized in that coating fan blade 1 and motor 2 can increase the space between fan blade 1 and motor 2 and the coating cover for square, improves heat radiation, performance of ventilating.Simultaneously, fan shroud 3 can connect when joining with other parts better for square, installs very convenient.
For eliminating the noise that axial-flow fan blade 1 sends, the utility model is equipped with a row and the above sound absorption plate 4 of a row at fan shroud 3 inner blower exhaust outlet places.As shown in Figure 4, this sound absorption plate 4 comprises that two perforated plates that be arranged in parallel, 7, two perforated plates, 7 inboards are fitted with between glass cloth 8, two glass cloth 8 packing 5 is housed.Wherein perforated plate 7 employing punching rates are 15%～25% steel plate, galvanized sheet, plastic-blasting plate or corrosion resistant plate etc., according to acoustic theory, can absorb the noise that sends in the cover; Glass cloth 8 adopts the plain weave alkali-free glass fiber cloth; Packing 5 adopts superfine glass face sound-absorbing material, has guaranteed to reduce to greatest extent and suppress noise.
For avoiding steel plate to cause that under acoustic wave action resonance and coincidence effect form the sound insulation low ebb and cause sound insulation property to descend, two perforated plates 7 are provided with light-duty punching press channel-section steel as strengthening keel 6 in sound absorption plate 4.
Claims (7)
1, a kind of square low noise axial fan, the motor (2) that comprises fan blade (1) and link with it is characterized in that coating the fan shroud (3) of fan blade (1) and motor (2) for square.
2, square low noise axial fan according to claim 1 is characterized in that fan shroud (3) inner blower exhaust outlet place is equipped with a row and and arranges above sound absorption plate (4).
3, square low noise axial fan according to claim 2 is characterized in that sound absorption plate (4) comprises two perforated plates that be arranged in parallel (7), and two perforated plates (7) inboard is fitted with glass cloth (8), and packing (5) is housed between two glass cloth (8).
4, square low noise axial fan according to claim 3 is characterized in that being provided with in the sound absorption plate (4) keel (6).
5, square low noise axial fan according to claim 3 is characterized in that packing (5) adopts superfine glass face sound-absorbing material.
6, square low noise axial fan according to claim 3 is characterized in that glass cloth (8) adopts the plain weave alkali-free glass fiber cloth.
7, square low noise axial fan according to claim 3 is characterized in that perforated plate (7) employing punching rate is 15%～25% steel plate, galvanized sheet, plastic-blasting plate or corrosion resistant plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03248219 CN2625624Y (en) | 2003-07-07 | 2003-07-07 | Square low noise axial fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03248219 CN2625624Y (en) | 2003-07-07 | 2003-07-07 | Square low noise axial fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2625624Y true CN2625624Y (en) | 2004-07-14 |
Family
ID=34252587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03248219 Expired - Fee Related CN2625624Y (en) | 2003-07-07 | 2003-07-07 | Square low noise axial fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2625624Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011500A (en) * | 2010-12-20 | 2011-04-13 | 无锡杰尔压缩机有限公司 | Wall surface sound absorption structure of high-speed centrifugal fan testing room |
| CN102287404A (en) * | 2011-09-22 | 2011-12-21 | 无锡杰尔压缩机有限公司 | Sound absorption structure of soundproof shield |
| CN105221448A (en) * | 2015-10-30 | 2016-01-06 | 佛山市神风航空科技有限公司 | A kind of square tube blower fan facilitating engine cooling |
| CN105221449A (en) * | 2015-10-30 | 2016-01-06 | 佛山市神风航空科技有限公司 | A kind of square-tube-shaped blower fan |
-
2003
- 2003-07-07 CN CN 03248219 patent/CN2625624Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011500A (en) * | 2010-12-20 | 2011-04-13 | 无锡杰尔压缩机有限公司 | Wall surface sound absorption structure of high-speed centrifugal fan testing room |
| CN102287404A (en) * | 2011-09-22 | 2011-12-21 | 无锡杰尔压缩机有限公司 | Sound absorption structure of soundproof shield |
| CN105221448A (en) * | 2015-10-30 | 2016-01-06 | 佛山市神风航空科技有限公司 | A kind of square tube blower fan facilitating engine cooling |
| CN105221449A (en) * | 2015-10-30 | 2016-01-06 | 佛山市神风航空科技有限公司 | A kind of square-tube-shaped blower fan |
| CN105221448B (en) * | 2015-10-30 | 2018-02-23 | 佛山市神风航空科技有限公司 | A kind of square tube blower fan for facilitating engine cool |
| CN105221449B (en) * | 2015-10-30 | 2018-03-06 | 佛山市神风航空科技有限公司 | A kind of square-tube-shaped blower fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |