CN204175615U - A kind of axial fan with radiating structure - Google Patents
A kind of axial fan with radiating structure Download PDFInfo
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- CN204175615U CN204175615U CN201420553348.9U CN201420553348U CN204175615U CN 204175615 U CN204175615 U CN 204175615U CN 201420553348 U CN201420553348 U CN 201420553348U CN 204175615 U CN204175615 U CN 204175615U
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- motor
- separate cavities
- mounting plate
- main shaft
- annular mounting
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Abstract
The utility model discloses a kind of axial fan with radiating structure, comprise flow blower casing, to be located in flow blower casing and the separate cavities be in communication with the outside and be positioned at the motor of separate cavities, described motor is fixed on the inwall of separate cavities by annular mounting plate, electric machine main shaft extends separate cavities by the mesopore of annular mounting plate, form the heat dissipation cavity around electric machine main shaft distribution between the inwall three of motor, annular mounting plate and separate cavities, described annular mounting plate is provided with the heat dissipation channel being communicated with separate cavities and heat dissipation cavity.Axial fan with radiating structure of the present utility model, motor is easy for installation, and fixed position is near main shaft, the rotational stabilization of main shaft can be improved, simultaneously with the cooling structure cooling main shaft and bearing, effectively improve the ride quality of motor, extend the working life of motor.
Description
Technical field
The utility model relates to axial fan, particularly relates to a kind of axial fan with radiating structure.
Background technique
Usually, we are referred to as blower fan this kind of gas conveying machineries such as ventilator, blower and gas compressors.Blower fan can be divided into blade type blower fan and positive displacement blower fan by working principle.Blade type blower fan has pivotal rotor together with axle, and has on rotor for the blade to air work.When prime mover drives the vaned rotor of tool to turn round, the mechanical energy that prime mover exports passes to gas by blade, and gas therefrom obtains energy.Blade type blower fan mainly comprises centrifugal fan, axial fan, mixed flow fan and cross-flow fan etc.
Although propeller fan must be more late than centrifugal blower development, be also applied to industry in 19 end of the centurys.Along with the development of aviation industry, carried out a large amount of research and experiment work to wing theory, its achievement in research has also promoted the development of Design of Axial Fan widely.
The air-flow of axial fan flows along the direction being roughly parallel to ventilator running shaft in impeller channel.Axial fan mainly comprises housing, is coaxially arranged on the slip ring in housing, streamlined windscreen, front fluid director, impeller, rear fluid director and diffuser.In order to make compact structure, reduce blower fan volume, the motor of drives impeller is also generally coaxially be arranged in housing.Therefore; when blower fan is applied in high temperature environments; such as, to take a breath etc. between building ' s fire smoke evacuation or baking vanish occasion; because delivery temperature is higher; needing to install can the high temperature ventilator of conveying high-temperature gas; want conveying high-temperature gas must take protective measure to motor, with the infringement preventing motor to be subject to high-temperature gas.
To achieve these goals, researcher is had to propose a kind of scheme motor isolation arranged, notification number be CN 2530075Y patent document discloses a kind of high-temperature axial flow fan, mainly comprise impeller, motor, motor erection support, bolt, flow blower casing etc., it is characterized in that placing motor place at flow blower casing center is provided with isolated chamber, isolating plate bottom isolated chamber is equipped with motor erection support, and motor is arranged on bearing.
Said apparatus is by arranging built-in motor isolation to reduce the impact of high-temperature gas on motor body, but the bearing-transmission place of motor is near high-temperature gas, and cannot carry out good cooling, under long-time running, motor easily damages, and needs often to change.
Model utility content
The utility model provides a kind of axial fan with radiating structure, and motor is installed stable, the good heat dissipation effect at motor bearings place, the working life of effective raising equipment.
A kind of axial fan with radiating structure, comprise flow blower casing, to be located in flow blower casing and the separate cavities be in communication with the outside and be positioned at the motor of separate cavities, described motor is fixed on the inwall of separate cavities by annular mounting plate, electric machine main shaft extends separate cavities by the mesopore of annular mounting plate, form the heat dissipation cavity around electric machine main shaft distribution between the inwall three of motor, annular mounting plate and separate cavities, described annular mounting plate is provided with the heat dissipation channel being communicated with separate cavities and heat dissipation cavity.
In order to improve the motor be in flow blower casing, there is good radiating effect, usual meeting arranges the separate cavities in the utility model in flow blower casing, and the radiating effect of motor in separate cavities is improved by arranging the scavenge duct be in communication with the outside, motor is fixed by annular mounting plate by the utility model simultaneously, not only easy for installation, and fixed position is near main shaft, the rotational stabilization of main shaft can be improved; The setting of heat dissipation cavity and heat dissipation channel, can make the cooled gas in separate cavities enter heat dissipation cavity and cool the bearing in main shaft and motor, thus effectively improves the ride quality of motor, extends the working life of motor.
In order to improve the cooling effect to bearing, preferably, motor is provided with towards the side of annular mounting plate the bearing chamber matched with electric machine main shaft, and described bearing chamber is in the side of heat dissipation cavity.Bearing chamber recline heat dissipation cavity arrange, make cooling blast be with bearing running and the mutual fricative heat of main shaft fast.
Conveniently manufacture, preferably, described heat dissipation channel is radiating groove radial through on circular radiating plate.
In order to improve radiating effect further, make main shaft and bearing and the heat radiation of both joints evenly, preferably, described radiating groove is provided with multiple, is circumferentially uniformly distributed.Arranging multiple radiating groove can make cooled gas circulate better, improves radiating effect.
Motor is fixed in separate cavities more firmly, and preferably, described annular mounting plate is fixedly connected with the inwall of separate cavities by bolt, is provided with at least one bolt hole between radiating groove adjacent on described annular mounting plate.
In order to the transmission gas preventing temperature higher enters separate cavities, preferably, described electric machine main shaft coordinates with the inner wall sealing of separate cavities.
The beneficial effects of the utility model:
Axial fan with radiating structure of the present utility model, motor is easy for installation, and fixed position is near main shaft, the rotational stabilization of main shaft can be improved, simultaneously with the cooling structure cooling main shaft and bearing, effectively improve the ride quality of motor, extend the working life of motor.
Accompanying drawing explanation
Fig. 1 is structural scheme of mechanism of the present utility model.
Fig. 2 is the sectional view of Fig. 1 in A-A direction.
Embodiment
As illustrated in fig. 1 and 2, the axial fan with radiating structure of the present embodiment comprises: comprise flow blower casing 1, to be located in flow blower casing and the separate cavities 2 be in communication with the outside and the motor 3 being positioned at separate cavities 2, motor 3 is fixed on the inwall of separate cavities 2 by annular mounting plate 4, electric machine main shaft 31 extends separate cavities 2 by the mesopore 41 of annular mounting plate 4 and is connected with impeller 6, is also fixed with the air guide sleeve 7 coaxially arranged with impeller 6 in flow blower casing 1.
The heat dissipation cavity 5 distributed around electric machine main shaft 31 is formed between the inwall three of motor 3, annular mounting plate 4 and separate cavities 2, annular mounting plate 4 is provided with the heat dissipation channel 42 being communicated with separate cavities 2 and heat dissipation cavity 5, conveniently manufacture, in the present embodiment, heat dissipation channel 42 is radiating groove radial through on circular radiating plate 4, radiating groove is provided with 4, is circumferentially uniformly distributed.The radiating groove quantity arranged can make cooled gas circulate better more at most, improves radiating effect.
In order to improve the cooling effect to bearing, in the present embodiment, motor 3 is provided with towards the side of annular mounting plate 4 bearing chamber 32 matched with electric machine main shaft 31, and bearing chamber 32 is in the side of heat dissipation cavity 5.Bearing chamber 32 heat dissipation cavity 5 that reclines is arranged, and makes cooling blast be with bearing running and the mutual fricative heat of main shaft fast.
The means of fixation of motor and separate cavities is a lot, be fixed on more firmly in separate cavities to make motor, in the present embodiment, annular mounting plate 4 is fixedly connected with by the inwall of bolt with separate cavities 2, is provided with 1 bolt hole 43 between radiating groove adjacent on annular mounting plate 4.
In order to the transmission gas preventing temperature higher enters separate cavities, in the present embodiment, electric machine main shaft 31 coordinates with the inner wall sealing of separate cavities 2.
Prior art has good radiating effect to improve the motor be in flow blower casing, usual meeting arranges separate cavities 2 in flow blower casing 1, and the radiating effect of motor in separate cavities is improved by arranging the scavenge duct be in communication with the outside, motor is fixed by annular mounting plate 4 by the present embodiment, not only easy for installation, and fixed position is near electric machine main shaft 31, the rotational stabilization of main shaft can be improved; The setting of heat dissipation cavity 5 and heat dissipation channel 42, the bearing that the cooled gas in separate cavities can be made to enter in heat dissipation cavity 5 pairs of main shafts and motor cools, thus effectively improves the ride quality of motor, extends the working life of motor.
In sum, the axial fan with radiating structure of the present embodiment, motor is easy for installation, and fixed position is near main shaft, the rotational stabilization of main shaft can be improved, simultaneously with the cooling structure cooling main shaft and bearing, the ride quality of effective raising motor, extends the working life of motor.
Claims (6)
1. the axial fan with radiating structure, comprise flow blower casing, to be located in flow blower casing and the separate cavities be in communication with the outside and be positioned at the motor of separate cavities, it is characterized in that, described motor is fixed on the inwall of separate cavities by annular mounting plate, electric machine main shaft extends separate cavities by the mesopore of annular mounting plate, form the heat dissipation cavity around electric machine main shaft distribution between the inwall three of motor, annular mounting plate and separate cavities, described annular mounting plate is provided with the heat dissipation channel being communicated with separate cavities and heat dissipation cavity.
2., as claimed in claim 1 with the axial fan of radiating structure, it is characterized in that, motor is provided with towards the side of annular mounting plate the bearing chamber matched with electric machine main shaft, and described bearing chamber is in the side of heat dissipation cavity.
3. as claimed in claim 1 with the axial fan of radiating structure, it is characterized in that, described heat dissipation channel is radiating groove radial through on circular radiating plate.
4., as claimed in claim 3 with the axial fan of radiating structure, it is characterized in that, described radiating groove is provided with multiple, is circumferentially uniformly distributed.
5., as claimed in claim 4 with the axial fan of radiating structure, it is characterized in that, described annular mounting plate is fixedly connected with the inwall of separate cavities by bolt, is provided with at least one bolt hole between radiating groove adjacent on described annular mounting plate.
6., as claimed in claim 1 with the axial fan of radiating structure, it is characterized in that, described electric machine main shaft coordinates with the inner wall sealing of separate cavities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420553348.9U CN204175615U (en) | 2014-09-24 | 2014-09-24 | A kind of axial fan with radiating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420553348.9U CN204175615U (en) | 2014-09-24 | 2014-09-24 | A kind of axial fan with radiating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204175615U true CN204175615U (en) | 2015-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420553348.9U Active CN204175615U (en) | 2014-09-24 | 2014-09-24 | A kind of axial fan with radiating structure |
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| Country | Link |
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| CN (1) | CN204175615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017088329A1 (en) * | 2015-11-25 | 2017-06-01 | 常州格力博有限公司 | Dc brush axial flow hair dryer |
-
2014
- 2014-09-24 CN CN201420553348.9U patent/CN204175615U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017088329A1 (en) * | 2015-11-25 | 2017-06-01 | 常州格力博有限公司 | Dc brush axial flow hair dryer |
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| GR01 | Patent grant |