CN203906397U - Reversible axial flow fan - Google Patents
Reversible axial flow fan Download PDFInfo
- Publication number
- CN203906397U CN203906397U CN201420290803.0U CN201420290803U CN203906397U CN 203906397 U CN203906397 U CN 203906397U CN 201420290803 U CN201420290803 U CN 201420290803U CN 203906397 U CN203906397 U CN 203906397U
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- CN
- China
- Prior art keywords
- shape
- air duct
- axis
- air
- axial flow
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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 - Fee Related
Links
- 230000002441 reversible Effects 0.000 title claims abstract description 15
- 239000011888 foil Substances 0.000 claims description 13
- 230000003068 static Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model belongs to the technical field of axial flow fans and particularly relates to a reversible axial flow fan. The reversible axial flow fan comprises a cylindrical air barrel, wherein multiple flow guiding plates peripherally arranged in the air barrel at intervals in an equal-angle mode are provided with driving motors, the axes of the driving motors are collinear with the axis of the air barrel, the inner ends of the flow guiding plates are fixedly connected with bases of the driving motors, and the outer ends of the flow guiding plates are fixedly connected with the inner wall of the air barrel. Hubs are arranged on output shafts of the driving motors, and multiple blades are arranged on the hubs. The reversible axial flow fan is characterized in that the flow guiding plates are in shapes of wings, circular-arc plates or single plates with planes perpendicular to the axis of the air barrel as '['-shaped cross sections, or in shapes of wings, circular-arc plates or single plates with planes perpendicular to the axis of the air barrel as 'Z'-shaped cross sections, or in shapes of wings, circular-arc plates or single plates with planes perpendicular to the axis of the air barrel as 'I'-shaped cross sections.
Description
Technical field
The utility model belongs to axial-flow blower technical field, relates in particular to a kind of reversible axial flow fan.
Background technique
At present, reversible axial flow fan is widely used in all trades and professions, as tunnel and subway ventilation almost all complete by blower fan, the reversible axial flow fan that possesses clockwise and anticlockwise air blowing function can block and forward and oppositely blowing during fire smoke evacuation, and the design by impeller shape guarantee as far as possible clockwise and anticlockwise air output and blast size basically identical.In order to optimize the performance of propeller fan, existing design general concern is choosing of the design of impeller shape and drive motor etc., drive motor and the guide plate that it is fixedly connected with air duct inwall are positioned at air duct equally, the air-flow of flowing through is exerted an influence equally, how optimizing said structure is the key of further optimizing propeller fan performance, and said structure affects noise level and the energy consumption of propeller fan equally.
Model utility content
The utility model provides the reversible axial flow fan of a kind of high-effect, low noise, energy-conserving and environment-protective for solving the technical problem existing in known technology.
The technological scheme that the utility model is taked for the technical problem existing in solution known technology is: a kind of reversible axial flow fan comprises columnar air duct, a plurality of guide plates by circumferential equal angles interval in air duct are provided with drive motor, the axis conllinear of the axis of described drive motor and air duct, the inner of guide plate and the support of drive motor is affixed, the inwall of outer end and air duct is affixed; On the output shaft of drive motor, be provided with wheel hub, on wheel hub, be provided with a plurality of blades; It is characterized in that: the sectional shape that the plane that being shaped as of described guide plate be take perpendicular to air duct axis is cross section is " air-foil of [" shape, circular arc plate aerofoil profile or veneer shape, or air-foil, circular arc plate aerofoil profile or veneer shape that the sectional shape that the plane of take perpendicular to air duct axis is cross section is " Z " shape, or the plane of take perpendicular to the air duct axis sectional shape that is cross section be " work " shape air-foil, circular arc plate aerofoil profile or veneer shape.
Advantage of the present utility model and good effect are: the utility model provides a kind of reversible axial flow fan of new structure, by optimization, be used for connecting air duct inwall and drive motor guide plate to be shaped as the sectional shape that the plane of take perpendicular to air duct axis is cross section be the " air-foil of [" shape, circular arc plate aerofoil profile or veneer shape, or the air-foil that the sectional shape that the plane of take perpendicular to air duct axis is cross section is " Z " shape, circular arc plate aerofoil profile or veneer shape, or the air-foil that the sectional shape that the plane of take perpendicular to air duct axis is cross section is " work " shape, circular arc plate aerofoil profile or veneer shape, the deflection air-flow pivot of maneuver that the impeller forming from wheel hub and blade is flowed out in realization to, the kinetic energy of deflection air-flow is transformed into static energy simultaneously, improve static pressure efficiency, and make the highest total pressure efficiency operating point of blower fan and the highest static pressure efficiency operating point closer to each other.Compare with the reversible axial flow fan of existing structure, reduced welding procedure and processing cost, promoted the installation efficiency of propeller fan, promoted operation usefulness, energy-conserving and environment-protective, aerodynamic noise are low.
Preferably: on wheel hub, along circumferential equal angles, be interval with a plurality of slots, be provided with the petiole mutually suitable with slot shape in the inner of blade, petiole inserts in slot also affixed by screw.
Preferably: on the outer wall of air duct, be provided with a plurality of that extend vertically, with the mounting plate of attachment hole.
Accompanying drawing explanation
Fig. 1 is that master of the present utility model is depending on partly cuing open structural representation;
Fig. 2 is side-looking structural representation of the present utility model.
In figure: 1, fair water cone; 2, blade; 3, air duct; 4, mounting plate; 5, guide plate; 6, drive motor; 7, wheel hub.
Embodiment
For further understanding summary of the invention of the present utility model, Characteristic, hereby exemplify following examples and be described in detail as follows:
Refer to Fig. 1 and Fig. 2, the utility model comprises columnar air duct 3, and a plurality of guide plates 5 by circumferential equal angles interval in air duct 3 are provided with drive motor 6, the axis conllinear of the axis of drive motor 6 and air duct 3.
On the output shaft of drive motor 6, be provided with wheel hub 7, on wheel hub 7, be provided with a plurality of blades 2.In the present embodiment, on wheel hub 7, along circumferential equal angles, be interval with a plurality of slots, be provided with the petiole mutually suitable with slot shape in the inner of blade 2, petiole inserts in slot also affixed by screw.
The support of the inner of guide plate 5 and drive motor 6 is affixed, the inwall of outer end and air duct 3 is affixed.Guide plate 5 after optimization is selected following shape: the plane of take perpendicular to air duct 3 axis is cross section, guide plate 5 be shaped as " air-foil of [" tee section, circular arc plate aerofoil profile or veneer shape, or be air-foil, circular arc plate aerofoil profile or the veneer shape of " Z " tee section, or be air-foil, circular arc plate aerofoil profile or the veneer shape of " work " tee section.In accompanying drawing 2, provided cross section for " situation of the veneer shape guide plate 5 of [" shape shape, particularly: air-foil refers to the straight plate veneer shape that inner narrow outer end is wide, circular arc plate aerofoil profile refers to that the plate shape of guide plate 5 is arc.
Through test, the guide plate 5 of above-mentioned various shapes all can reach following effect: the deflection air-flow pivot of maneuver that the impeller forming from wheel hub 7 and blade 2 is flowed out to, the kinetic energy of deflection air-flow is transformed into static energy simultaneously, improve static pressure efficiency, and make the highest total pressure efficiency operating point of blower fan and the highest static pressure efficiency operating point closer to each other.
In order to promote water conservancy diversion effect, in the outer end of wheel hub 7, be provided with the fair water cone 1 of arc.
In order to promote the convenience of whole machine installation, in the present embodiment, on the outer wall of air duct 3, be provided with a plurality of that extend vertically, with the mounting plate 4 of attachment hole.For the ease of lifting, shift, at the top of air duct 3, a plurality of hangers can also be set.
Claims (3)
1. a reversible axial flow fan, comprise columnar air duct (3), a plurality of guide plates (5) by circumferential equal angles interval in air duct (3) are provided with drive motor (6), the axis conllinear of the axis of described drive motor (6) and air duct (3), the support of the inner of guide plate (5) and drive motor (6) is affixed, the inwall of outer end and air duct (3) is affixed; On the output shaft of drive motor (6), be provided with wheel hub (7), on wheel hub (7), be provided with a plurality of blades (2); It is characterized in that: the sectional shape that the plane that being shaped as of described guide plate (5) be take perpendicular to air duct (3) axis is cross section is " air-foil of [" shape, circular arc plate aerofoil profile or veneer shape, or air-foil, circular arc plate aerofoil profile or veneer shape that the sectional shape that the plane of take perpendicular to air duct (3) axis is cross section is " Z " shape, or the plane of take perpendicular to air duct (3) the axis sectional shape that is cross section be " work " shape air-foil, circular arc plate aerofoil profile or veneer shape.
2. reversible axial flow fan as claimed in claim 1, it is characterized in that: on the upper edge of wheel hub (7), circumferentially equal angles is interval with a plurality of slots, in the inner of blade (2), be provided with the petiole mutually suitable with slot shape, petiole inserts in slot also affixed by screw.
3. reversible axial flow fan as claimed in claim 1, is characterized in that: on the outer wall of air duct (3), be provided with a plurality of that extend vertically, with the mounting plate (4) of attachment hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420290803.0U CN203906397U (en) | 2014-05-30 | 2014-05-30 | Reversible axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420290803.0U CN203906397U (en) | 2014-05-30 | 2014-05-30 | Reversible axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906397U true CN203906397U (en) | 2014-10-29 |
Family
ID=51780680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420290803.0U Expired - Fee Related CN203906397U (en) | 2014-05-30 | 2014-05-30 | Reversible axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203906397U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564842A (en) * | 2015-01-29 | 2015-04-29 | 苏莫明 | Guide device of bidirectional reversible axial-flow fan |
-
2014
- 2014-05-30 CN CN201420290803.0U patent/CN203906397U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564842A (en) * | 2015-01-29 | 2015-04-29 | 苏莫明 | Guide device of bidirectional reversible axial-flow fan |
| CN104564842B (en) * | 2015-01-29 | 2017-01-18 | 苏莫明 | Guide device of bidirectional reversible axial-flow fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20190530 |