CN104963880A - Wind power cooling axial flow fan - Google Patents
Wind power cooling axial flow fan Download PDFInfo
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- CN104963880A CN104963880A CN201510442268.5A CN201510442268A CN104963880A CN 104963880 A CN104963880 A CN 104963880A CN 201510442268 A CN201510442268 A CN 201510442268A CN 104963880 A CN104963880 A CN 104963880A
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Abstract
The invention provides a wind power cooling axial flow fan. The axial flow fan comprises a cylindrical housing which is internally provided with a motor base, the motor base is fixedly connected with a motor, the rotating shaft of the motor is provided with an impeller, the front end and the rear end of the cylindrical housing is respectively provided with a front flange and a rear flange, the front end of the cylindrical housing is provided with a front guiding net corresponding to the impeller, the impeller being screwed and fixed with the motor rotating shaft, the front end of the impeller is provided with a rectification cap, the bearing of the motor is provided with a monitoring sensor, the positions of the blades of the impeller, corresponding to the inner wall of the cylindrical housing, is provided with a displacement monitor. The displacement monitor and monitoring sensor are connected with an external junction box. The front end and the rear end of the cylindrical housing are respectively provided with a fan supporting leg. The impeller and the rotating shaft of the motor are fixedly connected by using a compression bolt and a positioning cover, and the connection is double-bond connection, so as to ensure stability of operation of the impeller. The rectification cap can improve impeller power capability and reduce loss. A tail rectification cap can collect axial velocity kinetic energy of an outlet, and improves static pressure efficiency of the fan.
Description
technical fieldthe invention belongs to propeller fan technical field, relate to the propeller fan of a kind of wind-driven generator cooling.
background techniquein prior art, ventilator is simple owing to having structure, low cost of manufacture and can the features such as feed flow is large, at metallurgy, building materials, be used widely in the fields such as environmental protection, but when it is applied to the cooling system of wind-driven generator, just show many drawbacks, because wind generating unit is arranged on the extreme occasion of the environment such as sea or the mountain ridge more, temperature is low, the temperature difference is large, and the corrosivity of seawater is strong etc., and factor forms impact greatly to the stable operation of ventilator, cause greatly reduce working life, the flow of blower fan conveying and pressure and other parameters are difficult to realize stability and safety and control, further, traditional propeller fan underpressure, blower fan is bulky, matched power is high, energy consumption is high, and its structure can not be applicable to the demand of wind-driven generator ventilating and cooling completely, therefore, a kind of rational in infrastructure, power match is needed and the novel fan of energy-saving durable.
summary of the inventionthe object of the invention is to solve prior art and there is operation stability difference, working life is short and energy consumption is high technical problem, a kind of wind-powered electricity generation cooling shaft flow blow is provided, overcomes the deficiencies in the prior art.
To achieve these goals, a kind of wind-powered electricity generation cooling shaft of the present invention flow blow, it comprises the barrel-type casing that inside is provided with motor seat; Described motor seat is fixedly connected with motor by locking nut; The rotating shaft of described motor is provided with impeller; Its main points are that the rear and front end of described barrel-type casing is respectively equipped with forward flange and rear flange; Wire guide before the front end of described barrel-type casing is provided with and is mutually permanently connected by bolt and forward flange, and the impeller that front wire guide and machine shaft are provided with is mutually corresponding; Described impeller connects fixing by hold-down bolt and locating cover and the mutual silk of machine shaft; The front end of described impeller and the corresponding part of front wire guide are provided with rectification cap; The bearing of described motor is provided with monitoring sensor; The inwall corresponding part of the blade on described impeller and barrel-type casing is provided with displacement monitors; Described monitoring sensor is connected with external connection box by motor down-lead with displacement monitors; The rear and front end of described barrel-type casing is respectively equipped with the blower fan supporting leg be fixedly connected with front and back flange.
In order to improve static pressure efficiency, the rear end of described motor is provided with afterbody rectification cap.
In order to improve corrosion resistance, the skin of described barrel-type casing is provided with corrosion-resistant static layer.
In order to improve rigidity and perpendicularity, described forward and backward flange is turnup structure.
Spacing by locating taper pin between described motor and motor seat.
The present invention is rational in infrastructure, easy to use, and impeller adopts hold-down bolt and locating cover to fix with the rotating shaft of motor to be connected, and is that double bond connects, and ensures the stability of impeller operation; Rectification cap can improve impeller acting ability and reduce the loss; Afterbody rectification cap can collect the axial velocity kinetic energy of outlet, improves the static pressure efficiency of blower fan.The invention solves the technical problem that prior art working life is short, operation stability is poor and energy consumption is high.
accompanying drawing explanationfig. 1 is structural representation plan view sectional view of the present invention;
Fig. 2 is structural representation left view of the present invention;
Fig. 3 is the plan structure signal enlarged view of blade;
Fig. 4 be in Fig. 1 A to structural representation enlarged view.
In figure 1, barrel-type casing 2, front wire guide 3, impeller 4, rectification cap 5, locating cover 6, hold-down bolt 7, motor 8, forward flange 9, locating taper pin 10, locking nut 11, motor seat 12, afterbody rectification cap 13, rear flange 14, blower fan supporting leg 15, displacement monitors 16, motor down-lead 17, external connection box 18, monitoring sensor 19, blade 20, filter screen 21, pilot blade
embodimentginseng Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the present invention it comprise the barrel-type casing 1 that inside is provided with motor seat 11; Described motor seat 11 is fixedly connected with motor 7 by locking nut 10; The rotating shaft of described motor 7 is provided with impeller 3; The rear and front end of described barrel-type casing 1 is respectively equipped with forward flange 8 and rear flange 13; Wire guide 2 before the front end of described barrel-type casing 1 is provided with and is mutually permanently connected by bolt and forward flange 8, and front wire guide 2 is mutually corresponding with the impeller 3 that motor 7 rotating shaft is provided with; Described impeller 3 connects fixing by hold-down bolt 6 and locating cover 5 with the mutual silk of motor 7 rotating shaft; The front end of described impeller 3 and the corresponding part of front wire guide 2 are provided with rectification cap 4; The bearing of described motor 1 is provided with monitoring sensor 18; Blade 19 on described impeller 3 is provided with displacement monitors 15 with the inwall corresponding part of barrel-type casing 1; Described monitoring sensor 18 is connected with external connection box 17 by motor down-lead 16 with displacement monitors 15; The rear and front end of described barrel-type casing 1 is respectively equipped with the blower fan supporting leg 14 be fixedly connected with front and back flange 8,13; The rear end of described motor 7 is provided with afterbody rectification cap 12; The skin of described barrel-type casing 1 is provided with corrosion-resistant static layer; Described forward and backward flange 8,13 is turnup structure; Spacing by locating taper pin 9 between described motor 7 and motor seat 11.
Composition graphs 1 to Fig. 3, the structure of impeller 3 and blade 19 in the present invention can be seen in detail, the blade 19 of impeller 3 is distortion from root to leaf top, with reference to LS propeller cavitation aerofoil profile, calculated by the precision of Isolated Airfoil and annular cascade, keep optimal lift coefficient and usefulness, meet flow and the pressure of wind power cooling system demand, own efficiency is high; Impeller 3 adopts cast aluminum construction, have cast steel or cast iron wheel hub coated by wheel rim, 4-9 blade is evenly arranged in around wheel rim, by using efficient Three-dimensional Wing type impeller, blower fan is carried, and gas flow is large, pressure is high, energy-saving and low-noise, by steel wheel hub and web rim clad type cast aluminum construction, and wheel hub is connected with the reliable of motor, ensure that the running of blower fan and the reliability of location.
Front wire guide 2 is integrated comprehensive parts of composite blower import slip ring pilot blade 21 and filter screen 20, effect be make air-flow produce when impeller inlet negative rotation around, to improve blower press; Before can guiding blower fan, air-flow pre-rotation enters impeller continuation acting, controls gas and flows out angle of attack i=0.
In order to the winding speed and reduction that reduce air-flow curl up kinetic energy, in impeller 3 rear end, afterbody rectification cap 12 is set, be used for collecting the axial velocity kinetic energy of gas outlet, make most of kinetic energy change static energy in the runner of the similar diffuser in rear portion, improve the static pressure efficiency of blower fan.
Forward flange 8 on barrel-type casing 1 and rear flange 13 are realized by special process equipment flange, and while ensureing flange width and axis perpendicular degree, guarantee intersection point point R angle 1-2mm, reduced thickness amount is no more than 30%; Barrel-type casing rigidity after flange improves 2-3 doubly than the flange of welding, and beautiful and clean.
Rectification cap 4 arranges according to the optimal path of air-flow pre-rotation, and before coordinating, wire guide 2 to be prewhirled rectification to the gas entering impeller 3, improves impeller acting ability, reduce the loss.
Barrel-type casing 1 adopts the special surface coating process such as electrostatic plastic spraying, can meet raising corrosion resistance, is applicable to the use of offshore wind generating.
Motor down-lead 16 and electric protecting cover thereof can ensure that blower fan runs for a long time in the rugged environment of subzero 50 degree.
Blower fan supporting leg 14 adopts folded edges, base is drilled with anchor (bolt) hole, stile top adopts and the circular arc of radius such as barrel-type casing 1 grade, is fixed together, also can be arranged on cylinder outer race 1 top as suspension bracket bottom can being arranged on as supporting leg by bolt or welding procedure with the forward and backward flange of barrel-type casing.
Displacement monitors 15 combines the factors such as motor bearings gap according to impeller 3 service performance to arrange; be used for monitoring the change in 2-3mm gap between rotor and stator; if part relative displacement changes; system alarm; if displacement protection arrangement exceedes setting requirement; power-off stoppage protection, acoustooptic alarm.After displacement is returned to setting value by manager, equipment runs well, and can keep the reasonable clearance numerical value of impeller 3 and barrel-type casing 1 so always.
Monitoring sensor 18 is divided into temperature transducer and vibration transducer, is connected to external connection box 17 by motor down-lead 16, monitors for computer long-distance control.
Cooling shaft flow blow of the present invention, can be horizontally disposed with and also can vertically arrange, impeller 3 gravity can not to main shaft diameter to producing comparatively macrobending power, motor bearings can bear axis and radial force, therefore blower fan can under higher rotation speed Effec-tive Function steady in a long-term, higher pressure and larger flow can be obtained, enhance operational reliability, improve efficiency; Can-50 DEG C and maritime environment long-time running.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; those skilled in the art should be understood that; on the basis of technological scheme of the present invention; those skilled in the art do not need to pay the various amendment or distortion that creative work can make, still within protection scope of the present invention.
Claims (5)
1. a wind-powered electricity generation cooling shaft flow blow, it comprises the barrel-type casing (1) that inside is provided with motor seat (11); Described motor seat (11) is fixedly connected with motor (7) by locking nut (10); The rotating shaft of described motor (7) is provided with impeller (3); It is characterized in that the rear and front end of described barrel-type casing (1) is respectively equipped with forward flange (8) and rear flange (13); The front end of described barrel-type casing (1) is provided with the front wire guide (2) be mutually permanently connected by bolt and forward flange (8), and the impeller (3) that front wire guide (2) and motor (7) rotating shaft are provided with is mutually corresponding; Described impeller (3) connects fixing by hold-down bolt (6) and locating cover (5) with the mutual silk of motor (7) rotating shaft; The front end of described impeller (3) and the corresponding part of front wire guide (2) are provided with rectification cap (4); The bearing of described motor (1) is provided with monitoring sensor (18); Blade (19) on described impeller (3) is provided with displacement monitors (15) with the inwall corresponding part of barrel-type casing (1); Described monitoring sensor (18) is connected with external connection box (17) by motor down-lead (16) with displacement monitors (15); The rear and front end of described barrel-type casing (1) is respectively equipped with the blower fan supporting leg (14) be fixedly connected with front and back flange (8), (13).
2. a kind of wind-powered electricity generation cooling shaft flow blow according to claim 1, is characterized in that the rear end of described motor (7) is provided with afterbody rectification cap (12).
3. a kind of wind-powered electricity generation cooling shaft flow blow according to claim 1, is characterized in that the skin of described barrel-type casing (1) is provided with corrosion-resistant static layer.
4. a kind of wind-powered electricity generation cooling shaft flow blow according to claim 1, is characterized in that described forward and backward flange (8), (13) is turnup structure.
5. a kind of wind-powered electricity generation cooling shaft flow blow according to claim 1, is characterized in that between described motor (7) and motor seat (11) spacing by locating taper pin (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510442268.5A CN104963880A (en) | 2015-07-27 | 2015-07-27 | Wind power cooling axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510442268.5A CN104963880A (en) | 2015-07-27 | 2015-07-27 | Wind power cooling axial flow fan |
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| Publication Number | Publication Date |
|---|---|
| CN104963880A true CN104963880A (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510442268.5A Pending CN104963880A (en) | 2015-07-27 | 2015-07-27 | Wind power cooling axial flow fan |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718904A (en) * | 2022-04-21 | 2022-07-08 | 珠海格力电器股份有限公司 | Pneumatic structure, compressor, dust catcher |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4373861A (en) * | 1979-10-06 | 1983-02-15 | Papst-Motoren Kg | Axial-flow fan |
| CN201944012U (en) * | 2011-03-02 | 2011-08-24 | 杭州日通风机有限公司 | Pipeline type axial-flow centrifugal fan |
| CN104564744A (en) * | 2015-01-23 | 2015-04-29 | 浙江金盾风机股份有限公司 | Axial flow fan for nuclear power station containment continuous ventilation system |
| CN204327594U (en) * | 2014-11-25 | 2015-05-13 | 江苏中联风能机械有限公司 | A kind of dismountable axial-flow blower |
| CN204755358U (en) * | 2015-07-27 | 2015-11-11 | 山东临风科技股份有限公司 | Wind -powered electricity generation cooling axial -flow blower |
-
2015
- 2015-07-27 CN CN201510442268.5A patent/CN104963880A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4373861A (en) * | 1979-10-06 | 1983-02-15 | Papst-Motoren Kg | Axial-flow fan |
| CN201944012U (en) * | 2011-03-02 | 2011-08-24 | 杭州日通风机有限公司 | Pipeline type axial-flow centrifugal fan |
| CN204327594U (en) * | 2014-11-25 | 2015-05-13 | 江苏中联风能机械有限公司 | A kind of dismountable axial-flow blower |
| CN104564744A (en) * | 2015-01-23 | 2015-04-29 | 浙江金盾风机股份有限公司 | Axial flow fan for nuclear power station containment continuous ventilation system |
| CN204755358U (en) * | 2015-07-27 | 2015-11-11 | 山东临风科技股份有限公司 | Wind -powered electricity generation cooling axial -flow blower |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114718904A (en) * | 2022-04-21 | 2022-07-08 | 珠海格力电器股份有限公司 | Pneumatic structure, compressor, dust catcher |
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Application publication date: 20151007 |