CN102278279A

CN102278279A - Duct type wind power generator

Info

Publication number: CN102278279A
Application number: CN2010102001922A
Authority: CN
Inventors: 孙首泉
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-06-13
Filing date: 2010-06-13
Publication date: 2011-12-14
Anticipated expiration: 2030-06-13
Also published as: CN102278279B

Abstract

The invention discloses a duct type wind power generator which comprises a windmill, a motor driving system and a duct type wind power generating device, wherein the windmill is provided with a windmill shaft (1) and a blade (2) arranged on the windmill shaft (1); the motor driving system is arranged on a stand (19) and is connected with the windmill shaft (1); when no wind exists or wind force is insufficient, the windmill is driven by driving the windmill shaft (1) to rotate; and the duct type wind power generating device is arranged on the windmill shaft (1) and generates confluent wind along with the rotation of the windmill shaft (1) to carry out wind power generation. The duct type wind power generator is an active wind power generator; whether the wind is violent or gentle, the revolution number of the windmill can be kept constant; and the duct type wind power generator has high generating efficiency, stable electric energy and small impact on a power grid.

Description

Duct formula wind-driven generator

Technical field

The present invention relates to wind power generation field, relate in particular to and a kind of wind-driven generator is installed on the windmill, utilize the high speed rotating of windmill to catch wind, artificially control the speed of windmill and adjust the duct formula wind-driven generator of wind energy flow.

Background technique

At present, wind-driven generator is made an investment in 8000-10000 unit for every kilowatt and is not waited, and the investment of the wind power plant of one 50,000 KW is about hundred million yuan of 4-5, and the turnover is more than 10 years.And so the annual generating dutation at full capacity of the equipment of costliness was at 2000-2300 hour, and the unit working load has only about 25%, and remaining time is in outage state.Because this equipment can only reach generating at full capacity under the situation of 11-12m/s at wind speed, and wind speed also must be shut down when having surpassed 25m/s, and this is for the investor of wind field, and this Utilization ratio is low, and payoff period is long.The wind-force size and the time of the wind comes from are uncertain, stop when sending out when causing wind-driven generator, and electrical network is caused very big impact.

Summary of the invention

Purpose of the present invention is exactly in order to overcome the problem that above-mentioned prior art exists, a kind of duct formula wind-driven generator is provided, duct formula wind generating unit is installed on the windmill, utilizes aerodynamic force to promote the windmill rotation, duct formula wind generating unit together rotates in company with windmill and generates electricity; This duct formula wind-driven generator is a kind of active mode wind power generation machine simultaneously, no matter be wind greatly or under the little situation of wind, it is constant that the revolution of windmill all keeps, the generating efficiency height, electric energy is stable, impacts little to electrical network.

For realizing that purpose of the present invention provides following technological scheme:

A kind of duct formula wind-driven generator comprises: windmill has wind axle and the blade that is installed on the wind axle; Motor driven systems is installed on the frame, links to each other with wind axle, when calm or wind-force is not enough, rotates and drives windmill and rotate by driving wind axle; Duct formula wind generating unit is installed on the wind axle, carries out wind-power electricity generation with the rotation of wind axle.

Wherein, motor driven systems is the system with motor driving and generating two-way function, comprising: be fixed on the frame on the pedestal; Be separately fixed at reversing motor/generator, gear-box, fluid coupling on the frame; Wherein reversing motor/generator links to each other with an end of gear-box, and the other end of gear-box links to each other with an end of fluid coupling, and the other end of fluid coupling links to each other with described wind axle.

Wherein, duct formula wind generating unit comprises: be installed in the transverse arm on the described wind axle, be fixed with the support that extends perpendicular to transverse arm on it; Duct is fixed on an end of support, and extends along support; Wind wheel apparatus is installed in the duct, has rotor shaft and the wind wheel that is installed on the rotor shaft; Generator is fixed on the other end of support, directly links to each other with rotor shaft, perhaps links to each other with rotor shaft via fluid torque converter or via speed increasing mechanism, so that generate electricity under the driving of wind wheel apparatus.

Wherein, duct formula wind generating unit comprises: be installed in the transverse arm on the wind axle, be fixed with the support that extends along transverse arm on it; Duct is fixed on the outside of support, and extends along support; " L " shape air conducting tube, the one end is connected with the outside of duct, and the other end is towards coming flow path direction; Wind wheel apparatus is installed in the duct, has rotor shaft and the wind wheel that is installed on the rotor shaft; Generator is fixed on the inboard of support, directly links to each other with rotor shaft, perhaps links to each other with rotor shaft via fluid torque converter or via speed increasing mechanism, so that generate electricity under the driving of wind wheel apparatus.

Particularly, wind wheel apparatus also comprises: the rotor shaft support, and its two ends are fixedly linked with described duct respectively, and its middle part is provided with bearing housing; Described rotor shaft passes bearing housing and described generator or described fluid torque converter or described speed increasing mechanism and links to each other.

Particularly, brake assembly is housed on the fluid torque converter, on the perhaps described generator brake assembly is housed.

Particularly, on the outer side wall of " L " shape air conducting tube the linear guard shield of aerodynamic flow is installed, the linear guard shield of aerodynamic flow comprises: support, one end are fixed on the guide edge of " L " shape air conducting tube, the other end is protruding and rotating shaft is installed, and the both sides up and down of support are separately installed with oil cylinder; Front end upper shield and front end lower shield supported by oil cylinder respectively, and its end are hinged with rotating shaft respectively, so that realize the switching of front end upper shield and front end lower shield under the driving of oil cylinder; Rear end upper shield and rear end lower shield are separately fixed at the trailing edge of air conducting tube.

Particularly, transverse arm has pneumatic streamline profile, and pneumatic spoiler is installed on its guide edge, comprise: the spoiler support, the one end is fixed on the guide edge of transverse arm, and the other end is protruding and rotating shaft is installed, and the both sides up and down of spoiler support are separately installed with oil cylinder; Go up pneumatic spoiler and following pneumatic spoiler and be arranged in the upper and lower both sides of spoiler support, and supported by oil cylinder respectively, its end is hinged with rotating shaft respectively, so that realizing pneumatic spoiler and the switching of pneumatic spoiler down under the driving of oil cylinder.

Wherein, speed increasing mechanism comprises: support is fixed on the support; Driving shaft, rack-mount by bearing housing, link to each other with an end of described rotor shaft, driving wheel is installed on the driving shaft; Driven shaft, rack-mount by bearing housing, link to each other with described generator, follower is installed on it; Driving belt is sleeved on driving wheel and the follower, so that realize initiatively taking turns to the transmission of power of follower.

Particularly, wind wheel can be single-column type, or tandem type, or the contrarotation formula, or abreast-type; Duct can be a diffusion formula duct, or the collective wind type duct, or collection wind diffusion formula duct, or the straight-tube duct.

Wherein, duct formula wind generating unit comprises: be installed in the transverse arm on the wind axle, be fixed with support on it; Duct is installed in the outside of transverse arm by support, and extends perpendicular to transverse arm; Wind wheel apparatus is installed in the duct, has rotor shaft and the wind wheel that is installed on the rotor shaft; Generator is installed in the inboard of transverse arm by support, places side by side with duct, and links to each other with rotor shaft by chain drive or crank linkage driving system.

Beneficial effect of the present invention embodies in the following areas:

1, duct formula wind-driven generator places wind wheel in the duct on the support arm of vertical axis windmill, duct the slip-stream state that has changed the wind wheel downstream is set, increase the slip-stream area, reduced slip velocity and slip-stream kinetic energy rejection, thereby the kinetic energy of wind wheel oar dish back has been converted into the pressure energy morely.

2, the duct wall has improved the feature of streaming in wind wheel blade tip zone, has reduced tip loss.

3, duct inlet leading edge forms bigger negative pressuren zone, has produced additional pulling force.

4, duct formula wind wheel is compared with isolated (routine) wind wheel, and under equal-wattage, same diameter produces bigger pulling force constantly, and under equal-wattage, the rotor diameter that needs when producing identical pulling force is little.

5, under the effect of windmill, wind speed and wind energy quality are improved greatly, the diameter of wind wheel can dwindle widely, and the conventional wind wheel of the rotating ratio of wind wheel has improved tens times, can save heaviness and expensive and the high gear-box of rate of fault like this, wind wheel can directly drive the directly driving type synchronous generator, can reduce cost widely, reduce fault, weight reduction.

6, duct formula wind-driven generator can accomplish that wind is big, the little generating that can be stable of wind under the mutual cooperation of windmill and motor driven systems, and production capacity efficient height is little to the impact of electrical network.

7, when windmill is in starting state and low wind speed, promoting windmill by motor driven systems rotates, under the effect of motor and control system, the rotating speed of windmill is controllable and for uniform rotation, when the over proof wind speed of wind speed, and the thrust of windmill and when residue is arranged, windmill will drive reversing motor and under the effect of reverser and control system, motor has become generator, and to the electrical network feed, motor driven systems has dual functions electronic and generating.

8, duct formula wind-driven generator is produced electric weight per year more than 6000 hours, be traditional conventional wind-driven generator electrogenesis amount 1-2 doubly, about 4500 yuan of kilowatt costs, turnover 2-3.

Description of drawings

Fig. 1 is the structural representation of the duct formula wind-driven generator of first embodiment of the invention;

Fig. 2 is the plan view of Fig. 1;

Fig. 3 is the structural representation of another Connecting format in the duct formula wind generating unit;

Fig. 4 is the structural representation of the duct formula wind-driven generator of second embodiment of the invention;

Fig. 5 is the plan view of Fig. 4;

Fig. 6 is the structural representation of driving belt speed increasing mechanism in the duct formula wind generating unit;

Fig. 7 is the sectional view along A-A line among Fig. 5;

Fig. 8 is the sectional view along B-B line among Fig. 1;

Fig. 9 a, 9b, 9c, 9d are the structural representation of duct among the present invention;

The structural representation of the duct formula wind-driven generator of Figure 10 a, 10b third embodiment of the invention.

Description of reference numerals 1-wind axle; The 2-blade; The 3-bolt; The 4-transverse arm; The 5-wind wheel; The 6-duct; The 7-brake assembly; The 8-coupling; The 9-fluid coupling; The 10-bolt; The 11-coupling; The 12-gear-box; The 13-bolt; The 14-coupling; 15-reversing motor/generator; The 16-pedestal; The 17-bolt; The 18-bolt; The 19-frame; The 20-underframe; The 21-bearing; The pneumatic spoiler of 22-; The 23-support; The 24-transverse arm; The 25-bolt; The 26-generator; The 27-coupling; The 28-brake assembly; The 29-fluid torque converter; The 30-coupling; The 31-rotor shaft; Second group of wind wheel of 32-; 33-cabin cover; The 34-bearing housing; The 35-bearing housing; 36-rotor shaft support; 37-rotor shaft support; The linear guard shield of 38-aerodynamic flow; 39-" L " shape air conducting tube; 38A-front end upper shield; 38B-rear end upper shield; 38C-rear end lower shield; 38D-front end lower shield; The 40-driving wheel; The 41-driving shaft; The 42-bearing housing; The 43-support; The 44-coupling; The 45-brake assembly; The 46-driven shaft; The 47-bearing housing; The 48-bearing housing; The 49-tension wheel shaft; The 50-driving belt; The 51-follower; The 52-Idle wheel; The 53-coupling; The 54-rotating shaft; The 55-support; The 56-journal stirrup; The 57-oil cylinder; The 58-back poppet; The 59-oil cylinder; The 60-journal stirrup; The 61-journal stirrup; The 62-oil cylinder; 63-spoiler support; The 64-rotating shaft; The 65-oil cylinder; The 66-journal stirrup; Pneumatic spoiler under the 67-; The last pneumatic spoiler of 68-; The 69-eccentric wheel; The 70-curved bar; The 71-axis hole; The 72-bolt; The 73-connecting rod; The 74-eccentric wheel; The 75-curved bar; The 76-axis hole; The 77-bolt; 78-main driving wheel, 79-driving belt/drive chain, 80-follower.

Concrete form of implementation

Embodiment one

Shown in the structural representation of Fig. 1 duct formula of the present invention wind-driven generator, duct formula wind-driven generator of the present invention comprises: windmill has wind axle 1 and the blade 2 that is installed on the wind axle 1; Motor driven systems is installed on the frame 19, links to each other with wind axle 1, when calm and wind-force deficiency, drives the windmill rotation by driving wind axle 1 rotation; Duct formula wind generating unit is installed on the wind axle 1, carries out wind-power electricity generation with the rotation of wind axle 1.

As Fig. 1, shown in the structural representation of Fig. 3 duct formula of the present invention wind-driven generator, windmill shown in the figure is a H shape windmill, wherein, windmill has many blades 2, every blade 2 is the top both sides of central distribution at wind axle 1 with wind axle 1 respectively, and by a plurality of transverse arms 24 every vanes fixed is connected on the wind axle 1, and every blade 2 constitutes " H " shapes with the transverse arm 24 that is used to install this blade 2.

Wherein, blade 2 has pneumatic streamline profile, as shown in Figure 3.

The all right umbrella shape windmill of windmill, or diamond pattern windmill, or Y type windmill, or Φ type windmill, or worm gear type windmill, or S type windmill, or leafy S type windmill, or triangle windmill, or this type windmill of savart Leo, or plate windmill, or cup type windmill, or bicycle quick Multiblade windmill, or other forms of windmill with aerodynamic quality.

Wherein, motor driven systems is to have the system that drives and generate electricity two-way function.As shown in Figure 1, motor driven systems has underframe 20, is fixed on the pedestal 16 by bolt 17, and the roof anchorage of underframe 20 has upper and lower distribution two bearings 21a, 21b, the bottom of wind axle 1 is passed two bearings 21a, 21b successively and is stretched into downwards in the underframe 20, and brake assembly 7 is installed thereon.Underframe 20 inside are provided with the frame 19 that is fixed on the pedestal 16, be fixed with reversing motor/generator 15, gear-box 12, hydraulic couplers 9 in the frame 19 from the bottom up successively, wherein reversing motor/generator 15 links to each other with an end of gear-box 12 by coupling 14, the other end of gear-box 12 links to each other with an end of hydraulic couplers 9 by coupling 11, the other end of hydraulic couplers 9 links to each other with the bottom of wind axle 1 by coupling 8, thereby, and make wind axle 1 freely to rotate relative to underframe 20 with wind axle 1 stable being installed on the underframe 20.

When natural wind speed is less, adopt motor driven systems to drag the windmill rotation, make duct formula wind generating unit with wind axle 1 with constant rotational speed, thereby realize the generating of duct formula wind generating unit; When natural wind speed can promote windmill and meet the requirements of constant rotational speed, automatic and the windmill incision of motor driven systems, motor shuts down, windmill rotates under the drive of natural wind, thereby drive duct formula wind generating unit with wind axle 1 with constant rotational speed, thereby realize the generating of duct formula wind generating unit; When natural wind is bigger, when making the thrust of windmill greater than load rating, motor converts generator to, and windmill rotates and drives generator and generate electricity, and to the electrical network feed.

Shown in Fig. 1,3, duct formula wind generating unit is installed on the wind axle 1, between blade 2 and underframe 20.Duct formula wind generating unit has a plurality of transverse arms 4, and the one end is fixedly mounted on the wind axle 1 by bolt 3 respectively, makes transverse arm 4 to rotate with wind axle 1, and the other end of each transverse arm 4 is fixed with the support 23 that extends perpendicular to transverse arm 4.One end of support 23 is fixed with duct 6, and duct 6 extends along support 23, and wind wheel apparatus is installed in it, has rotor shaft 31 and the wind wheel 5 and the wind wheel 32 that are installed on the rotor shaft 31; The other end of support 23 is fixed with cabin cover 33, be provided with generator 26 in the cabin cover 33, generator 26 is installed on the pedestal 23, which is provided with brake assembly 28, generator 26 is by coupling 27 and rotor shaft 31 directly link to each other (shown in Figure 3), perhaps link to each other (shown in Figure 2) with rotor shaft 31 by fluid torque converter 29, perhaps link to each other (shown in Figure 6) with rotor shaft 31 by speed increasing mechanism, so as wind wheel apparatus when rotating drive generator 26 work.

As shown in Figure 2, fluid torque converter 29 is arranged in the cabin cover 33, and be placed on the support 23, generator 26 links to each other with an end of fluid torque converter 29 by coupling 27, the other end of fluid torque converter 29 links to each other with the rotor shaft 31 of wind wheel apparatus by coupling 30, and brake assembly 28 is installed on the fluid torque converter 29.

As shown in Figure 6, speed increasing mechanism has the support 43 that is fixed on the support 23; Driving shaft 41 is installed in support 43 upper ends by bearing housing 42, and links to each other with rotor shaft 31, and driving wheel 40 is installed on the driving shaft 41; Driven shaft 46 is installed in support 43 bottoms by bearing housing 47, and links to each other with generator 26 by coupling 44, and follower 51 is installed on the driven shaft 46, and brake assembly 45 also is installed on the driven shaft 46; Driving belt 50, be sleeved on driving wheel 40 and the follower 51, when wind wheel apparatus rotated 31 rotations of drive rotor shaft, the rotation of rotor shaft 31 drove driving wheel 40 rotations, the rotation of driving wheel 40 passes to follower 51 by driving belt 50, and follower 51 rotates and drives generator 26 generatings.

Speed increasing mechanism also comprises tension wheel shaft 49, is installed on the support 43 by bearing housing 48, and tension wheel shaft 49 is equipped with Idle wheel 52 on it between driving shaft 41 and driven shaft 46.Idle wheel 52 contacts with driving belt 50, so that tensioning driving belt 50.

Shown in Fig. 2,3,6, wind wheel apparatus can also have the two rotor shaft supports 36,37 that are arranged in juxtaposition, and its two ends are fixedly linked with the sidewall of duct 6 respectively, and wherein portion is provided with bearing

housing

34,35 respectively.One end of rotor shaft 31

passes bearing housing

34,35 and generator 26 (shown in Figure 3) or fluid torque converter 29 (shown in Figure 2) or speed increasing mechanism (shown in Figure 6) successively and links to each other, its the other end is equipped with wind wheel 5 and wind wheel 32, the installation form of two groups of wind wheels is a tandem type, also can be contrarotation formula (not shown), one group of wind wheel 5 can also only be installed.

Also can on each transverse arm 4, fix a plurality of supports 23 side by side, each pedestal 23 extends perpendicular to transverse arm 4 respectively, one end of each pedestal 23 is duct 6 fixedly, the other end is cabin cover 33 fixedly, duct 6 and cabin cover 33 inner structures are identical with said structure, to form the wind wheel 5 and/or the wind wheel 32 of many group abreast-types.

When the installation form of wind wheel 5 and wind wheel 32 was the contrarotation formula, generator 26 was a birotor generator.

Shown in Fig. 2,3, when transverse arm 4 rotates under the drive of wind axle 1 thereupon together, wind enters duct 6, make the wind wheel 5 and the wind wheel 32 of duct 6 rotate, the rotation of wind wheel drives rotor shaft 31 and also rotates together, because rotor shaft 31 links to each other with generator 26 by fluid torque converter 29, perhaps link to each other with generator 26 by speed increasing mechanism, perhaps directly link to each other, so just make generator 26 also rotate, thereby realize the generating work of generator 26 with generator 26.

Duct 6 can diffusion formula duct (shown in Fig. 9 a), or collective wind type duct (shown in Fig. 9 b), or collection wind diffusion formula duct (shown in Fig. 9 c), or straight-tube duct (shown in Fig. 9 d).

Wherein, transverse arm 4 and transverse arm 24 have pneumatic streamline profile.As shown in Figure 8, pneumatic spoiler 22 is installed on the guide edge of transverse arm 4 and transverse arm 24, pneumatic spoiler 22 has spoiler support 63, the one end is fixed on the guide edge of transverse arm 4 and transverse arm 24, the other end is protruding and rotating shaft 64 is installed, and the both sides up and down of spoiler support 63 are separately installed with oil cylinder 62,65.Go up pneumatic spoiler 68 and down pneumatic spoiler 67 be arranged in the upper and lower both sides of spoiler support 63, and support by oil cylinder 62,65 respectively, its end is hinged and can 64 rotate around the shaft with rotating shaft 64 respectively.When oil cylinder 62,65 oil-feeds, the piston rod of two oil cylinders stretches out, make to go up pneumatic spoiler 68 and down pneumatic spoiler 67 64 rotate and prop up (among the figure shown in the dotted line) around the shaft, go up pneumatic spoiler 68 and down pneumatic spoiler 67 open; When oil cylinder 62,65 unloading is fuel-displaced, go up pneumatic spoiler 68 and down pneumatic spoiler 67 under the effect of oil cylinder, 64 rotate and close around the shaft again so that realize adjusting windmill speed and to the brake of windmill.

Embodiment two

Duct formula wind-driven generator structure schematic representation as Fig. 4 present embodiment, and shown in the plan view of the duct formula wind-driven generator of Fig. 5 present embodiment, the duct formula wind-driven generator of present embodiment comprises: windmill has wind axle 1 and the blade 2 that is installed on the wind axle 1; Motor driven systems is installed on the frame 19, links to each other with wind axle 1, when startup and wind-force deficiency, drives the windmill rotation by driving wind axle 1 rotation; Duct formula wind generating unit is installed on the wind axle 1, carries out wind-power electricity generation with the rotation of wind axle 1.

Wherein, duct formula wind generating unit has a plurality of transverse arms 4 that are fixedly mounted on the wind axle 1, makes transverse arm 4 to rotate with wind axle 1, is fixed with the support 23 that extends along transverse arm 4 on each transverse arm 4.Support 23 is fixed with duct 6 away from an end (being the outside of support 23) of wind axle 1, and duct 6 extends along support 23, and wind wheel apparatus is installed in it, has rotor shaft 31 and the wind wheel 5 and the wind wheel 32 that are installed on the rotor shaft 31; " L " shape air conducting tube 39 is fixed on the support 23, and the one end is connected with the outside of duct 6, and the other end is towards coming flow path direction.Support 23 is fixed with cabin cover 33 near an end (being the inboard of support 23) of wind axle 1, be provided with generator 26 in the cabin cover 33, generator 26 is installed on the pedestal 23, which is provided with brake assembly 28, generator 26 is by coupling 27 and rotor shaft 31 directly link to each other (shown in Figure 5), perhaps link to each other with rotor shaft 31 by fluid torque converter 29, perhaps link to each other (shown in Figure 6) with rotor shaft 31 by speed increasing mechanism, so as wind wheel apparatus when rotating drive generator 26 work.

As shown in Figure 7, the outside of " L " shape air conducting tube is equipped with the linear guard shield 38 of aerodynamic flow, and to reduce windage, the linear guard shield 38 of aerodynamic flow comprises front end upper shield 38A, rear end upper shield 38B, rear end lower shield 38C and front end lower shield 38D.

The trailing edge of " L " shape air conducting tube is fixed with back poppet 58, rear end upper shield 38B, and rear end lower shield 38C is separately fixed on the back poppet 58.

Be fixed with support 55 on the guide edge of " L " shape air conducting tube 39, an end of support 55 is fixed on the guide edge of L shaped air conducting tube 39, and the other end is protruding and rotating shaft 54 is installed, and the both sides up and down of support 55 are separately installed with oil cylinder 57 and oil cylinder 59.Be respectively equipped with journal stirrup 56 and journal stirrup 60 on front end upper shield 38A and the front end lower shield 38D, an end of oil cylinder 57 is fixed on the upside of support 55, and the other end links to each other with journal stirrup 56; One end of oil cylinder 59 is fixed on the downside of support 55, and the other end links to each other with journal stirrup 60.The termination of front end upper shield 38A and front end lower shield 38D links to each other with rotating shaft 54 respectively and can 54 rotate around the shaft.When oil cylinder 57,59 oil-feeds, the piston rod of two oil cylinders stretches out, and makes front end upper shield 38A and front end lower shield 38D 54 rotations around the shaft prop up, and front end upper shield 38A and front end lower shield 38D open; When oil cylinder 57,59 unloading was fuel-displaced, front end upper shield 38A and front end lower shield 38D 54 rotated and close around the shaft under the effect of oil cylinder again, so that realize adjusting windmill speed and to the brake of windmill.

Other structure of the duct formula wind-driven generator of present embodiment is identical with embodiment one, no longer repeats at this.

Embodiment three

Shown in Figure 10 a, 10b, the duct formula wind generating unit of present embodiment has a plurality of transverse arms 4 that are fixedly mounted on the wind axle 1, makes transverse arm 4 to rotate with wind axle 1, is fixed with support 23 on each transverse arm 4.Duct 6 is fixed on the end (be the outside of transverse arm 4) of transverse arm 4 away from wind axle 1 by support 23, and extends perpendicular to transverse arm 4, and wind wheel apparatus is installed in it, has rotor shaft 31 and the wind wheel 5 and the wind wheel 32 that are installed on the rotor shaft 31; Generator 26 is fixed on the end (be the inboard of transverse arm 4) of transverse arm 4 near wind axle 1 by support 23, generator 26 is placed side by side with duct 6, generator 26 is provided with brake assembly 28, and generator 26 links to each other with rotor shaft 31 by chain drive (shown in Figure 10 a) or crank linkage driving system (shown in Figure 10 b).So that when rotor shaft 31 rotates, drive generator 26 by chain drive (shown in Figure 10 a) or crank linkage driving system (shown in Figure 10 b) and generate electricity.

The structure of wind wheel apparatus is identical with embodiment one, no longer repeats at this.The structure of chain drive shown in Figure 10 a, the other end of rotor shaft 31 is equipped with main driving wheel 78,) being fixed with follower 80 on the generator 26, driving belt/drive chain 79 is sleeved on driving wheel 78 and the follower 80, so that realize the transmission of power of driving wheel 78 to follower 80.

The structure of crank linkage driving system shown in Figure 10 b, the other end of rotor shaft 31 is equipped with eccentric wheel 69, be fixed with eccentric wheel 74 on the generator 26, one end of curved bar 70 is fixed on eccentric wheel 69, in the axis hole 71 and the other end is packed on the connecting rod 73, be fixed under the effect of bolt 72 on the connecting rod 73, the other end of connecting rod 73 is provided with axis hole 76, one end of curved bar 75 is packed in the axis hole 76, be fixed under the effect of bolt on the connecting rod 73, the other end of curved bar 75 is fixed on the eccentric wheel 74, thereby realizes the transmission of power of rotor shaft 31 to generator 26.

Although above the present invention has been done detailed description; but the invention is not restricted to this; those skilled in the art can principle according to the present invention make amendment, and therefore, all various modifications of carrying out according to principle of the present invention all should be understood to fall into protection scope of the present invention.

Claims

1. duct formula wind-driven generator comprises:

Windmill has wind axle (1) and is installed in blade (2) on the wind axle (1);

Motor driven systems is installed on the frame (19), links to each other with wind axle (1), when calm and wind-force deficiency, drives the windmill rotation by driving wind axle (1) rotation;

Duct formula wind generating unit is installed on the wind axle (1), carries out wind-power electricity generation with the rotation of wind axle (1).

2. duct formula wind-driven generator as claimed in claim 1 is characterized in that, described motor driven systems is the system with motor driving and generating two-way function, comprising: be fixed on the frame (19) on the pedestal (16); Be separately fixed at reversing motor/generator (15), gear-box (12), fluid coupling (9) on the frame;

Wherein reversing motor/generator (15) links to each other with an end of gear-box (12), and the other end of gear-box (12) links to each other with an end of fluid coupling (9), and the other end of fluid coupling (9) links to each other with described wind axle (1).

3. duct formula wind-driven generator as claimed in claim 1 is characterized in that, described duct formula wind generating unit comprises:

Be installed in the transverse arm (4) on the described wind axle (1), be fixed with the support (23) that extends perpendicular to transverse arm (4) on it;

Duct (6) is fixed on an end of support (23), and extends along support (23);

Wind wheel apparatus is installed in the duct (6), has rotor shaft (31) and is installed in wind wheel (5) on the rotor shaft (31);

Generator (26) is fixed on the other end of support (23), directly links to each other with rotor shaft (31), perhaps links to each other with rotor shaft (31) via fluid torque converter (29) or via speed increasing mechanism, so that generate electricity under the driving of wind wheel apparatus.

4. duct formula wind-driven generator as claimed in claim 1 is characterized in that, described duct formula wind generating unit comprises:

Be installed in the transverse arm (4) on the wind axle (1), be fixed with the support (23) that extends along transverse arm (4) on it;

Duct (6) is fixed on the outside of support (23), and extends along support (23);

" L " shape air conducting tube (39), the one end is connected with the outside of duct (6), and the other end is towards coming flow path direction;

Generator (26) is fixed on the inboard of support (23), directly links to each other with rotor shaft (31), perhaps links to each other with rotor shaft (31) via fluid torque converter (29) or via speed increasing mechanism, so that generate electricity under the driving of wind wheel apparatus.

5. as claim 3 or 4 described duct formula wind-driven generators, it is characterized in that described wind wheel apparatus also comprises:

Rotor shaft support (36,37), its two ends are fixedly linked with described duct (6) respectively, and its middle part is provided with bearing housing (34,35);

Described rotor shaft (31) passes bearing housing (34,35) and described generator (26) or described fluid torque converter (29) or described speed increasing mechanism and links to each other.

6. as claim 3 or 4 described duct formula wind-driven generators, it is characterized in that, brake assembly (28) is housed on the described fluid torque converter (29), brake assembly (28) is housed on the perhaps described generator (26).

7. duct formula wind-driven generator as claimed in claim 4 is characterized in that, the linear guard shield of aerodynamic flow (38) is installed on the outer side wall of described " L " shape air conducting tube (39), and the linear guard shield of aerodynamic flow (38) comprising:

Support (55), one end are fixed on the guide edge of " L " shape air conducting tube (39), and the other end is protruding and rotating shaft (54) is installed, and the both sides up and down of support (55) are separately installed with oil cylinder (57,59);

Front end upper shield (38A) and front end lower shield (38D), support by oil cylinder (57,59) respectively, and its end is hinged with rotating shaft (54) respectively, so that realize the switching of front end upper shield (38A) and front end lower shield (38D) under the driving of oil cylinder (57,59);

Rear end upper shield (38B) and rear end lower shield (38C) are separately fixed at the trailing edge of " L " shape air conducting tube (39).

8. duct formula wind-driven generator as claimed in claim 5 is characterized in that described transverse arm (4) has pneumatic streamline profile, and pneumatic spoiler (22) is installed on its guide edge, comprising:

Spoiler support (63), one end are fixed on the guide edge of transverse arm (4), and the other end is protruding and rotating shaft (64) is installed, and the both sides up and down of spoiler support (63) are separately installed with oil cylinder (62,65);

Upward pneumatic spoiler (68) and following pneumatic spoiler (67) are arranged in the upper and lower both sides of spoiler support (63), and support by oil cylinder (62,65) respectively, its end is hinged with rotating shaft (64) respectively, so that realize going up pneumatic spoiler (68) and the switching of pneumatic spoiler (67) down under the driving of oil cylinder (62,65).

9. duct formula wind-driven generator according to claim 5 is characterized in that described speed increasing mechanism comprises:

Support (43) is fixed on the support (23);

Driving shaft (41) is installed on the support (43) by bearing housing (42), links to each other with an end of described rotor shaft (31), and driving wheel (40) is installed on the driving shaft (41);

Driven shaft (46) is installed on the support (43) by bearing housing (47), links to each other with described generator (26), and follower (51) is installed on it;

Driving belt (50) is sleeved on driving wheel (40) and the follower (51), so that realize the transmission of power of driving wheel (40) to follower (51).

10. duct formula wind-driven generator as claimed in claim 5 is characterized in that described wind wheel (5) can be single-column type, or tandem type, or the contrarotation formula, or abreast-type;

Described duct (6) can be a diffusion formula duct, or the collective wind type duct, or collection wind diffusion formula duct, or the straight-tube duct.

11. duct formula wind-driven generator as claimed in claim 1 or 2 is characterized in that, described duct formula wind generating unit comprises:

Be installed in the transverse arm (4) on the wind axle (1), be fixed with support (23) on it;

Duct (6) is installed in the outside of transverse arm (4) by support (23), and extends perpendicular to transverse arm (4);

Generator (26) is installed in the inboard of transverse arm (4) by support (23), places side by side with duct (6), and links to each other with rotor shaft (31) by chain drive or crank linkage driving system.