CN103321958A - Axial-flow fan - Google Patents
Axial-flow fan Download PDFInfo
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- CN103321958A CN103321958A CN2013102666205A CN201310266620A CN103321958A CN 103321958 A CN103321958 A CN 103321958A CN 2013102666205 A CN2013102666205 A CN 2013102666205A CN 201310266620 A CN201310266620 A CN 201310266620A CN 103321958 A CN103321958 A CN 103321958A
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- rotor
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- flow blower
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Abstract
The invention discloses an axial-flow fan. The axial-flow fan comprises a support seat and a motor, the motor is of a structure with an outer rotor and an inner stator, the stator is hollow and opened at two ends to form an inner ventilation passage which is kept in communication with external air, weight of the axial-flow fan is reduced, and energy is saved. Main fan blades and auxiliary fan blades are arranged on the rotor, the main fan blades are fixedly arranged on the outer surface of the rotor, one end of each auxiliary fan blade is integrally connected with a corresponding main fan blade, and the other end of each auxiliary fan blade extends to an opening position at one end of the stator. Rotation of the rotor can drive the main fan blades and the auxiliary fan blades to rotate together, airflow flows through the inner ventilation passage of the stator, efficiency of the axial-flow fan is improved, heat generated by running of the axial-flow fan can be taken away, service life of the axial-flow fan is prolonged, and the defects that conventional fans are high in energy consumption, low in efficiency and short service life caused by proneness to motor overheat are overcome.
Description
Technical field
The present invention relates to a kind of blower fan, particularly a kind of axial-flow blower.
Background technique
Blower fan is the mechanical energy that relies on input, improves supply gas the side by side machinery of body of gas pressure.By the mechanical energy of rotation is converted to gas pressure energy and kinetic energy, and a kind of machinery that gas is transferred out.And the focus that the height of the size of the power consumption of blower fan, efficient is not to use the person to pay close attention to always.Traditional blower fan generally has power consumption height, low, the easy overheated blower fan short shortcoming in working life that causes of motor of efficient.
Summary of the invention
The present invention has overcome above-mentioned the deficiencies in the prior art, and a kind of long service life, power consumption is low, efficient is high axial-flow blower are provided.
Technological scheme of the present invention is achieved in that
A kind of axial-flow blower, comprise bearing, motor, described motor is external rotor inner stator structure, stator is fixedly mounted on the bearing, is respectively equipped with rotor winding, staor winding at rotor, stator, and stator hollow and both ends open form the interior ventilation flue that keeps perforation with ambient air, be provided with main blade and secondary fan blade at rotor, main blade is fixedly installed on the outer surface of rotor, and an end and the rotor of secondary fan blade are fixedly linked, an end of ventilation flue in the other end of secondary fan blade extends to; Stator hollow has not only been reserved an interior ventilation flue, has also alleviated the weight of axial-flow blower, is beneficial to installation; The rotor running can drive main blade and turn round with secondary fan blade, and air draught also flows from stator interior, has improved the efficient of axial-flow blower, and takes away the heat that the axial-flow blower running produces, the working life of having improved axial-flow blower.
In order to improve the working efficiency of axial-flow blower, as preferably, along the blower fan axial direction, described main blade is set to multilayer, and along the blower fan circumferential direction, main blade is the setting of staggering each other.
As preferably, described bearing comprises housing, middle part at housing is provided with center ring, stator is installed on the center ring by bolt, the formation ventilated port corresponding with hollow stator and secondary fan blade in the center ring, a plurality of supporting ribs that link to each other with housing are arranged along the center ring periphery to external radiation, form the ventilation flue corresponding with main blade between the supporting rib.Air draught flows from ventilation flue, ventilated port, has improved the efficient of axial-flow blower.
The dismounting of secondary fan blade for convenience, as preferably, secondary fan blade is connected by bolt with rotor.
As preferably, described staor winding, rotor winding all are arranged in the zone between stator and the rotor.
As preferably, between stator and rotor, be provided with bearing, be provided with seal ring in the bearing outside, be provided with the location jump ring in the bearing inboard.Friction factor and retainer shaft central position that bearing reduces in the power transmission process are fixed; Seal ring prevents that the lubricant oil of bearing from spilling and foreign object is invaded; Jump ring rigid bearing position prevents the bearing skew.
Adopted working principle of the present invention and the beneficial effect of technique scheme to be:
Blower fan of the present invention adopts the structure of inner stator external rotor, and main blade is installed on the external rotor, and stator hollow and both ends open form with ambient air and keep the interior ventilation flue that connects, is provided with the secondary fan blade that rotates with rotor at an end of interior ventilation flue; Stator hollow has reduced the weight of axial-flow blower, energy saving; The rotor running can drive main blade and turn round with secondary fan blade, and secondary fan blade running makes air draught flow from interior ventilation flue, has improved the efficient of axial-flow blower, and takes away the heat that the axial-flow blower running produces, the working life of having improved axial-flow blower.
Description of drawings
Fig. 1 is the cross sectional representation of axial-flow blower among the embodiment;
Fig. 2 is that the B of Fig. 1 is to view;
Fig. 3 is that the A of Fig. 1 is to view.
Embodiment
The specific embodiment of the present invention is as follows:
Embodiment: a kind of axial-flow blower, as shown in Figure 1, comprise bearing 3, motor, described motor is external rotor inner stator structure, stator 2 is fixedly mounted on the bearing 3, be respectively equipped with rotor winding 4, staor winding 5 at rotor 1, stator 2, described staor winding 5, rotor winding 4 all are arranged in the zone between stator 2 and the rotor 1; Between stator 2 and rotor 1, be provided with bearing 14, can reduce the friction between each parts of axial-flow blower, be provided with seal ring 16 in bearing 14 outsides, be provided with location jump ring 15 in bearing 14 inboards; Stator 2 hollows and both ends open form the interior ventilation flue 17 that keeps perforation with ambient air, be provided with main blade 6 and secondary fan blade 7 at rotor 1, main blade 6 is fixedly installed on the outer surface of rotor 1, one end and the rotor 1 of secondary fan blade 7 are fixedly linked, and the other end of secondary fan blade 7 extends to the aperture position place of stator 2 one ends.
Shown in Fig. 1,3, rotor 1 running can drive main blade 6 with secondary fan blade 7 runnings, and air draught flows from interior ventilation flue 17, has improved the efficient of axial-flow blower, and takes away the heat that the axial-flow blower running produces, the working life of having improved axial-flow blower.The dismounting of secondary fan blade 7 for convenience, secondary fan blade 7 is connected by bolt 13 with rotor 1.
As shown in Figure 1, along the blower fan axial direction, described main blade 6 is set to 3 layers, and along the blower fan circumferential direction, main blade 6 is the setting of staggering each other.Rotor 1 running drives 3 layers main blade 6 runnings, has improved the working efficiency of axial-flow blower.
Shown in Fig. 2,3, described bearing 3 comprises housing, be provided with center ring 8 at the middle part of housing, stator 2 is installed on the center ring 8 by bolt 9, form the ventilated port 10 corresponding with stator 2 and secondary fan blade 7 in the center ring 8, a plurality of supporting ribs that link to each other with housing 11 are arranged along center ring 8 peripheries to external radiation, form the ventilation flue 12 corresponding with main blade 6 between the supporting rib 11.
Claims (6)
1. axial-flow blower, comprise bearing, motor, described motor is external rotor inner stator structure, stator is fixedly mounted on the bearing, be respectively equipped with rotor winding, staor winding at rotor, stator, it is characterized in that: stator hollow and both ends open form the interior ventilation flue that keeps perforation with ambient air, be provided with main blade and secondary fan blade at rotor, main blade is fixedly installed on the outer surface of rotor, one end and the rotor of secondary fan blade are fixedly linked, an end of ventilation flue in the other end of secondary fan blade extends to.
2. a kind of axial-flow blower according to claim 1 is characterized in that: along the blower fan axial direction, described main blade is set to multilayer, and along the blower fan circumferential direction, main blade is the setting of staggering each other.
3. a kind of axial-flow blower according to claim 1, it is characterized in that: described bearing comprises housing, middle part at housing is provided with center ring, stator is installed on the center ring by bolt, form the ventilated port corresponding with the interior ventilation flue of stator in the center ring, a plurality of supporting ribs that link to each other with housing are arranged along the center ring periphery to external radiation, form the separate ventilation road corresponding with main blade between the supporting rib.
4. a kind of axial-flow blower according to claim 1, it is characterized in that: secondary fan blade is connected by bolt with rotor.
5. a kind of axial-flow blower according to claim 1 is characterized in that: described staor winding, rotor winding all are arranged in the zone between stator and the rotor.
6. a kind of axial-flow blower according to claim 1 is characterized in that: be provided with bearing between stator and rotor, be provided with seal ring in the bearing outside, be provided with the location jump ring in the bearing inboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102666205A CN103321958A (en) | 2013-06-28 | 2013-06-28 | Axial-flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102666205A CN103321958A (en) | 2013-06-28 | 2013-06-28 | Axial-flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103321958A true CN103321958A (en) | 2013-09-25 |
Family
ID=49190922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102666205A Pending CN103321958A (en) | 2013-06-28 | 2013-06-28 | Axial-flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103321958A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1064735A (en) * | 1991-03-14 | 1992-09-23 | 上海机械学院 | Ceiling fan |
| CN101263642A (en) * | 2005-09-16 | 2008-09-10 | 西门子公司 | Electrical machine having permanent magnets |
| CN101741177A (en) * | 2009-12-21 | 2010-06-16 | 南京高传机电自动控制设备有限公司 | Cooling mechanism of power generator |
| CN201916223U (en) * | 2010-12-21 | 2011-08-03 | 张海丽 | Fan |
| CN102694432A (en) * | 2012-06-04 | 2012-09-26 | 郑亚华 | Motor with internal cooling device in rotor shaft |
| CN203335472U (en) * | 2013-06-28 | 2013-12-11 | 周峰 | Axial flow fan |
-
2013
- 2013-06-28 CN CN2013102666205A patent/CN103321958A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1064735A (en) * | 1991-03-14 | 1992-09-23 | 上海机械学院 | Ceiling fan |
| CN101263642A (en) * | 2005-09-16 | 2008-09-10 | 西门子公司 | Electrical machine having permanent magnets |
| CN101741177A (en) * | 2009-12-21 | 2010-06-16 | 南京高传机电自动控制设备有限公司 | Cooling mechanism of power generator |
| CN201916223U (en) * | 2010-12-21 | 2011-08-03 | 张海丽 | Fan |
| CN102694432A (en) * | 2012-06-04 | 2012-09-26 | 郑亚华 | Motor with internal cooling device in rotor shaft |
| CN203335472U (en) * | 2013-06-28 | 2013-12-11 | 周峰 | Axial flow fan |
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Application publication date: 20130925 |