CN213838966U - Low-noise long-range industrial fan - Google Patents
Low-noise long-range industrial fan Download PDFInfo
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- CN213838966U CN213838966U CN202022228185.5U CN202022228185U CN213838966U CN 213838966 U CN213838966 U CN 213838966U CN 202022228185 U CN202022228185 U CN 202022228185U CN 213838966 U CN213838966 U CN 213838966U
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Abstract
The utility model discloses an industrial fan of low noise, far range, which comprises a motor, the one end of motor output shaft is fixed with the connecting axle, and connecting axle one side is equipped with wheel hub, and one side of wheel hub has a plurality of commentaries on classics leaves, changes the distortion blade that the leaf was sweepforward formula, connecting axle one end is equipped with the guide vane seat, and one side of guide vane seat is fixed with a plurality of stator, motor one side is fixed with the dryer, the dryer is the screen cover formula structure, and one side of dryer is equipped with a plurality of metal strips, the outer lane diameter of stator and the diameter looks adaptation of dryer, and the width that is close to the stator of stator one side is minimum, and the width of keeping away from the stator of stator one side is the biggest. The utility model discloses can realize changeing the high-efficient low noise operation of leaf, simultaneously, the screen panel can the scattered air current the rotational noise, avoids producing apex vortex noise, can avoid the gathering of noise and add up simultaneously, has reduced the fan noise.
Description
Technical Field
The utility model relates to an industrial fan technical field especially relates to an industrial fan of low noise, far range.
Background
The industrial fan is widely used in various places needing ventilation, such as factories, tunnels, basements and the like, is one of induction fans, and generally, in the industrial field, a pipeline type axial flow fan is used. However, in many occasions, in the fields of large flow, long range and low noise, the performance of the pipeline axial flow fan is unsatisfactory, and most of the pipeline axial flow fans are not the optimal choice especially in the technological process requiring air cooling.
At present, most of the existing axial flow fans have the following defects: the phenomenon that the wind speed is severely reduced in a short distance and a short distance cannot meet the ventilation and cooling requirements of users, and in conclusion, most of the existing axial flow fans cannot well meet the actual requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a low-noise long-range industrial fan.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an industrial fan of low noise, long range, includes the motor, the one end of motor output shaft is fixed with the connecting axle, and connecting axle one side is equipped with wheel hub, and there is a plurality of commentaries on classics leaves one side of wheel hub, changes the distortion blade of leaf for sweepforward formula, connecting axle one end is equipped with leads the leaf seat, and one side of leading the leaf seat is fixed with a plurality of stator, motor one side is fixed with the dryer.
Furthermore, the dryer is of a mesh-cover type structure, a plurality of metal strips are arranged on one side of the dryer, and one ends of the guide vanes are fixed with a mesh cover of the dryer.
Furthermore, the diameter of the outer ring of the guide vane is matched with the diameter of the air duct.
Furthermore, the guide vane is fan-shaped or quadrangle, and the width of guide vane diminishes from outside to inside gradually, is close to the one end of guide vane seat, and the blade width of guide vane is minimum, and the one end of keeping away from the guide vane seat, the width of guide vane is the biggest.
Furthermore, the guide vane and the guide vane seat are of an integrally formed flat plate structure.
The utility model has the advantages that:
1. the utility model discloses a setting up of sweepforward type distortion commentaries on classics leaf and screen panel can realize changeing the high-efficient low noise operation of leaf, and simultaneously, the screen panel can the scattered air current the rotatory noise, avoids producing apex vortex noise, can avoid the gathering of noise and add up simultaneously, has reduced the fan noise.
2. The utility model discloses a set up the stator in air outlet department and can concentrate the high-speed rotatory air current of rotor blade outer lane to the inner circle to improved the rotatory air current of air-out back diffusion, made the difficult scattering of air current, static pressure efficiency obviously promotes, and the amount of wind is concentrated, and the scattering is little, and the range of high-speed air current obviously increases.
3. This practicality is through wheel hub's setting, and the staff can adjust the installation angle of commentaries on classics leaf on wheel hub according to operating condition, has improved the suitability of device.
Drawings
Fig. 1 is a schematic perspective view of a low-noise long-range industrial fan according to the present invention;
fig. 2 is a schematic side view of a low-noise long-range industrial fan according to the present invention;
fig. 3 is a schematic view of the structure of the industrial fan with low noise and long range according to the present invention.
In the figure: 1. an air duct; 2. a motor; 3. a connecting shaft; 4. a hub; 5. rotating the leaves; 6. a guide vane seat; 7. a guide vane.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a low-noise long-range industrial fan comprises a motor 2, a starting motor 2, a connecting shaft 3 fixed at one end of an output shaft of the motor 2 through a bolt, the connecting shaft 3 rotates under the driving of the motor 2, a hub 4 is sleeved at one side of the connecting shaft 3 to drive the hub 4 to rotate, a plurality of rotating blades 5 are fixed at one side of the hub 4 through the rotation of the bolt to drive the rotating blades 5 to rotate, the installation angle of the rotating blades 5 can be adjusted through the hub 4, the fan is suitable for various working conditions, the rotating blades 5 are forward-swept twisted blades to greatly improve the efficiency of the rotating blades 5, a guide blade seat 6 is arranged at one end of the connecting shaft 3, the guide blade seat 6 is not in contact with the connecting shaft 3, a plurality of guide blades 7 are fixed at one side of the guide blade seat 6, an air duct 1 is fixed at one side of the motor 2 through a bolt, the air duct 1 is of a net cover type structure, a plurality of metal strips are arranged at one side of the air duct 1, one end of a plurality of guide vanes 7 is fixed with the mesh enclosure of the air duct 1, and the air duct 1 is fixedly connected with one side of the motor 2, so that supporting force is provided for the guide vanes 7 and the guide vane seat 6, the angle of the guide vanes 7 is generally perpendicular to the rotating plane of the rotating vanes 5, and the angle can be adjusted according to the requirement.
The air duct 1 with the screen cover type structure is characterized in that: avoiding the rotating blade 5 from generating blade tip vortex and avoiding the concentration of vortex noise, arranging a plurality of metal strips on one side of the air duct 1, determining the number of the metal strips according to the actual condition so as to determine the density of the net cover type air duct 1, wherein the lower the density of the net cover type air duct 1 is, the smaller the influence on the air flow is, the diameter of the outer ring of the guide blade 7 is matched with the diameter of the air duct 1, hollowing out the air duct 1 near the rotating blade 5, the air flow can be supplemented and entered through the hollowing-out part, further improving the air inlet efficiency and reducing the air flow noise, the width of the guide blade 7 close to one side of the guide blade seat 6 is the minimum, the width of the guide blade 7 far away from one side of the guide blade seat 6 is the maximum, the guide blade 7 at the air outlet guides the air flow which is scattered outwards by rotation to the rotating blade 5 to achieve the effect of wind collection, so as to realize the long-range, the guide blade 7 is in a fan shape, a triangle shape or other shape with one end being large and one end and the other, and the guide blade seat 6 is in an integrally formed flat plate structure, the number of the guide vanes 7 is determined by the number of the rotor blades 5 and the diameter of the rotor blades 5, and is generally a non-integral multiple of the number of the rotor blades 5 in order to avoid resonance.
The working principle is as follows: when the wind turbine is used, firstly, the motor 2 is started, the connecting shaft 3 rotates under the driving of the motor 2, so that the hub 4 is driven to rotate, the rotating blade 5 is driven to rotate, wind flow enters the interior of the wind barrel 1 from the hollow part of the wind barrel 1 near the rotating blade 5, the rotating blade 5 adopts a forward-swept twisted blade, the efficiency of the rotating blade 5 is greatly improved, the wind barrel 1 is designed to scatter the rotating noise of the air flow, the generation of tip eddy noise is avoided, meanwhile, the aggregation and accumulation of the noise are avoided, the purpose of reducing the noise is achieved, then, the guide blade seat 6 rotates under the driving of the motor 2, so that the guide blade 7 is driven to rotate, the air flow is conveyed, meanwhile, the air flow scattered outwards in a rotating mode is guided to the rotating center of the rotating blade 5 through the guide blade 7 at the air outlet, the effect of 'wind collection' is achieved, and the long range is achieved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
Claims (5)
1. The utility model provides an industrial fan of low noise, long range, includes motor (2), its characterized in that, the one end of motor (2) output shaft is fixed with connecting axle (3), and connecting axle (3) one side is equipped with wheel hub (4), and one side movable mounting of wheel hub (4) has a plurality of commentaries on classics leaf (5), changes leaf (5) for the distortion blade of sweepforward formula, connecting axle (3) one end is equipped with guide vane seat (6), and one side of guide vane seat (6) is fixed with a plurality of stator (7), motor (2) one side is fixed with dryer (1).
2. The low-noise long-range industrial fan as claimed in claim 1, wherein the air duct (1) is of a screen structure, one side of the air duct (1) is provided with a plurality of metal strips, and one end of the plurality of guide vanes (7) is fixed with a screen of the air duct (1).
3. A low noise, long range industrial fan according to claim 1, wherein the diameter of the outer ring of the guide vane (7) is adapted to the diameter of the wind tunnel (1).
4. A low noise, long range industrial fan according to claim 1, wherein the guide vane (7) is fan-shaped or quadrilateral, and the width of the guide vane (7) is gradually reduced from the outside to the inside, near one end of the guide vane seat (6), the width of the guide vane (7) is the smallest, and far from one end of the guide vane seat (6), the width of the guide vane (7) is the largest.
5. A low noise, long range industrial fan according to claim 4, characterized in that the guide vane (7) and the guide vane holder (6) are of an integrally formed flat plate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022228185.5U CN213838966U (en) | 2020-10-09 | 2020-10-09 | Low-noise long-range industrial fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022228185.5U CN213838966U (en) | 2020-10-09 | 2020-10-09 | Low-noise long-range industrial fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213838966U true CN213838966U (en) | 2021-07-30 |
Family
ID=77008439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022228185.5U Active CN213838966U (en) | 2020-10-09 | 2020-10-09 | Low-noise long-range industrial fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213838966U (en) |
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2020
- 2020-10-09 CN CN202022228185.5U patent/CN213838966U/en active Active
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