CN202768240U

CN202768240U - Double-section blade type wind-driven generator

Info

Publication number: CN202768240U
Application number: CN2012205597636U
Authority: CN
Inventors: 阿高龙热
Original assignee: GAOLONGRE A
Current assignee: GAOLONGRE A
Priority date: 2012-10-09
Filing date: 2012-10-09
Publication date: 2013-03-06
Anticipated expiration: 2022-10-09

Abstract

The utility model relates to the field of generators, in particular to a wind power generator. A double-blade wind power generator, including a tower, a nacelle, a stator, a rotor and blades, the nacelle is installed on the tower through a hinged shaft, the rotor is hinged in the nacelle, the stator is covered outside the rotor, and the stator It is fixedly connected with the inner wall of the nacelle, and there is a certain gap between the stator and the rotor. It is set coaxially. It is partially spliced, the outer blades are in the shape of flat plates, and the inner blades are in the shape of fan blades. The blade of the utility model is composed of two parts, the outer blade and the inner blade, wherein the outer blade is used to receive and utilize the wind force perpendicular to the rotating shaft, and the inner blade is used to receive and utilize the wind force parallel to the rotating shaft, which improves the performance of the wind generator in an environment with variable wind direction. power generation efficiency in .

Description

Two sections blade wind power generation machines

Technical field

The utility model relates to electrical generator fields, relates in particular to a kind of wind-driven generator.

Background technique

Be the dynamic power machine that wind energy is converted to mechanical work, claim again windmill.In a broad sense, it is a kind of take the sun as thermal source, the heat energy utilization motor take atmosphere as working medium.The wind-power electricity generation utilization be natural energy resources.

The principle of wind-power electricity generation is to utilize wind-force to drive the air vane rotation, sees through booster engine with the speed lifting of rotation again, impels the generator generating.According to present windmill technology, approximately be the gentle breeze speed of three meters of per seconds, just can begin generating.Wind-power electricity generation forms one upsurge just in the world, because wind-power electricity generation does not have fuel problem, also can not produce radiation or atmospheric pollution.Wind-power electricity generation flows in countries such as Finland, Denmark very much; China also advocates energetically in the west area.

Existing wind-power electricity generation confidential by head, turn, empennage, blade form.Every part is all very important, and functions is: blade is used for accepting wind-force and transfers electric energy to by head; Thereby empennage makes blade obtain maximum wind energy facing to the direction of the wind comes from all the time; Turn and to make head rotate neatly to realize the function of empennage adjustment direction; The rotor of head is permanent magnet, and the staor winding cutting magnetic line produces electric energy.Wind-driven generator is unstable because of wind direction, so need constantly to turn to according to the direction of the wind comes from, the blade of existing wind-driven generator as shown in Figure 1, it mostly is plane quant shape, most effective when blade is vertical with wind direction, but very fast with regard to the efficient decay when the wind direction deflection, the head turning velocity of wind-driven generator again can be very not fast, so in the environment of variable direction, the generating efficiency of this class blade is very low.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of two section blade wind power generation machine, the blade of this wind-driven generator has one section to be fan-shaped, when even wind direction is parallel to rotating shaft like this, blade still can be driven by wind-force and rotate generating, has improved generating efficiency.

The utility model is achieved in that a kind of two section blade wind power generation machines, comprise pylon, cabin,

Stator, rotor and blade, described cabin is installed on the pylon by hinging shaft, described rotor is hinged in the cabin, and described stator case is outside rotor, and stator and cabin inwall are fixedly linked, between stator and the rotor the coaxial setting of certain interval is arranged, rotating shaft fixedly is equipped with at the place, axle center of rotor, total several circumferential uniform being fixedly mounted in the rotating shaft of described blade, and blade is spliced to form by outer leafs and intra vane two-part, described outer leafs is plate shaped, and described intra vane is fan blade shape.

Described outer leafs is integrated into as a whole with intra vane.

Described stator comprises stator frame, stator iron core and staor winding, described stator frame is fixedly mounted in the cabin by support, described stator iron core is annular core, and stator iron core is fixedly mounted on the stator frame, and described staor winding is set on the stator iron core.

Described rotor comprises rotor frame, rotor rim and permanent-magnet pole, described rotor frame is fixedly mounted in the rotating shaft, rotating shaft is hinged in the cabin by support, described rotor rim and permanent-magnet pole all are annular, rotor rim is fixedly set in outside the rotor frame, and permanent-magnet pole is fixedly set in outside the rotor rim.

Described several blade pass are crossed circumferentially uniform being fixedly mounted in the rotating shaft of wheel hub.

This wind-driven generator also comprises wind finding device, driftage drive motor and controller, described wind finding device is installed in outside the cabin, described driftage drive motor and controller are installed in the cabin, the input end of controller links to each other with wind finding device, the control end of controller links to each other with the driftage drive motor, and the drive motor of going off course links to each other with hinging shaft between cabin and the pylon by driving mechanism.

Blade of the present utility model is made of outer leafs and intra vane two-part, wherein outer leafs is used for accepting utilization perpendicular to the wind-force of rotating shaft, intra vane is used for accepting to utilize the wind-force that is parallel to rotating shaft, has improved the generating efficiency of wind-driven generator in the variable direction environment.

Description of drawings

Fig. 1 is existing blade shape schematic representation;

Fig. 2 is the two section of the utility model blade wind power generation machine structural representation;

Fig. 3 is the structural representation of the utility model Leaf.

Among the figure: 1 pylon, 2 cabins, 31 stator frames, 32 stator iron cores, 33 staor winding, 41 rotor frames, 42 rotor rims, 43 permanent-magnet poles, 5 blades, 51 outer leafs, 52 intra vanes, 6 rotating shafts, 7 supports, 8 wheel hubs, 9 wind finding devices, 10 driftage drive motor, 11 controllers.

Embodiment

Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiments only are used for explanation the utility model and are not used in the scope of the present utility model that limits.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model statement, these equivalent form of values fall within the application's appended claims limited range equally.

Embodiment 1

Such as Fig. 2, shown in 3, plant two section blade wind power generation machines, comprise pylon 1, cabin 2, stator, rotor and blade 5, described cabin 2 is installed on the pylon 1 by hinging shaft, described rotor is hinged in the cabin, described stator case is outside rotor, stator and cabin 2 inwalls are fixedly linked, between stator and the rotor the coaxial setting of certain interval is arranged, rotating shaft 6 fixedly is equipped with at the place, axle center of rotor, described blade 5 total several circumferential uniform being fixedly mounted in the rotating shaft 6, blade 5 is spliced to form by outer leafs 51 and intra vane 52 two-part, and described outer leafs 51 is plate shaped, and described intra vane 52 is fan blade shape, the twisting contour of fan blade is improved generating efficiency so that blade 5 still can blow when being subject to the wind-force of parallel shaft 6 directions.

In the present embodiment, in order to ensure the structural strength of blade 5 integral body, described outer leafs 51 is integrated into as a whole with intra vane 52.

The utility model can further describe into, described stator comprises stator frame 31, stator iron core 32 and staor winding 33, described stator frame 31 is fixedly mounted in the cabin 2 by support 7, described stator iron core 32 is annular core, stator iron core 32 is fixedly mounted on the stator frame 31, and described staor winding 33 is set on the stator iron core 32.

The utility model can further describe into, described rotor comprises rotor frame 41, rotor rim 42 and permanent-magnet pole 43, described rotor frame 41 is fixedly mounted in the rotating shaft 6, rotating shaft 6 is hinged in the cabin 2 by support 7, described rotor rim 42 and permanent-magnet pole 43 all are annular, rotor rim 42 is fixedly set in outside the rotor frame 41, and permanent-magnet pole 43 is fixedly set in outside the rotor rim 42.

In the present embodiment, for blade 5 technical ability that can make firmly are installed in the rotating shaft 6, again can easy disassembly and maintenance, described several blades 5 are by wheel hub 8 circumferential uniform being fixedly mounted in the rotating shaft 6.

In the utility model, for cooperate wind direction adjust blade towards, this wind-driven generator also comprises wind finding device 9, driftage drive motor 10 and controller 11, described wind finding device 9 is installed in outside the cabin 2, described driftage drive motor 10 and controller 11 are installed in the cabin 2, the input end of controller 11 links to each other with wind finding device 9, and the control end of controller 11 links to each other with driftage drive motor 10, and the drive motor 10 of going off course links to each other with hinging shaft between cabin 2 and the pylon 1 by driving mechanism.

Claims

1. A two-stage blade wind power generator, comprising a tower (1), a nacelle (2), a stator, a rotor and a blade (5), and the nacelle (2) is installed on the tower (1) by a hinged shaft, The rotor is hinged in the nacelle, the stator is covered outside the rotor, the stator is fixedly connected to the inner wall of the nacelle (2), the stator and the rotor are coaxially arranged with a certain gap, and the shaft center of the rotor is fixedly equipped with a rotating shaft (6) , the blades (5) have a total of several circumferentially evenly distributed and fixedly installed on the rotating shaft (6), which is characterized in that: the blades (5) are composed of two parts: an outer blade (51) and an inner blade (52), and the outer blade (52) is spliced. The blade (51) is in the shape of a flat plate, and the inner blade (52) is in the shape of a fan blade.

2. The double-blade wind power generator according to claim 1, characterized in that: the outer blade (51) and the inner blade (52) are an integrated structure to form a whole.

3. The double-blade wind power generator as claimed in claim 1 or 2, characterized in that: the stator comprises a stator frame (31), a stator core (32) and a stator winding (33), and the stator The frame (31) is fixedly installed in the nacelle (2) through the machine base (7), the stator iron core (32) is an annular iron core, and the stator iron core (32) is fixedly installed on the stator frame (31) , the stator winding (33) is embedded on the stator core (32).

4. The double-blade wind power generator according to claim 1 or 2, characterized in that: the rotor comprises a rotor frame (41), a rotor yoke (42) and a permanent magnet pole (43), and the rotor The frame (41) is fixedly installed on the rotating shaft (6), and the rotating shaft (6) is hinged in the nacelle (2) through the support (7), and the rotor yoke (42) and the permanent magnet pole (43) are both ring-shaped, The rotor yoke (42) is fixedly set outside the rotor frame (41), and the permanent magnet poles (43) are fixedly set outside the rotor yoke (42).

5. The double-blade wind power generator according to claim 1 or 2, characterized in that: said several blades (5) are uniformly distributed in the circumferential direction of the hub (8) and fixedly installed on the rotating shaft (6).

6. The double-section blade wind generator according to claim 1 or 2, characterized in that: the wind generator also includes wind measuring device (9), yaw drive motor (10) and controller (11), so The wind measuring device (9) is installed outside the nacelle (2), the yaw driving motor (10) and the controller (11) are installed in the nacelle (2), and the input terminal of the controller (11) is connected with the wind measuring device (9) connected, the control end of the controller (11) is connected with the yaw drive motor (10), and the yaw drive motor (10) is connected with the hinge shaft between the nacelle (2) and the tower (1) through a transmission mechanism .