CN203214236U

CN203214236U - Blade and turbine generator using same

Info

Publication number: CN203214236U
Application number: CN201320140567XU
Authority: CN
Inventors: 易兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-03-26
Filing date: 2013-03-26
Publication date: 2013-09-25
Anticipated expiration: 2023-03-26

Abstract

The utility model belongs to the field of generators and provides a blade. The cross section of the blade is of a symmetric fish-shaped structure or an asymmetric fish-shaped structure. The utility model further provides a turbine generator adopting the blade. As the tail part of the blade provided by the utility model is of a slender conical or strip-shaped structure, the tail part is light in weight and large in windward area, the tail part is easier to be driven, and the utilization rate of wind energy or water energy is high; and in addition, as the head part of the blade provided by the utility model is of an oval or circular structure, the wind resistance of the head part is small, and the loss of wind energy or water energy is small. The turbine generator adopting the blade can realize a high utilization rate of energy and improve power generation efficiency during the process of converting the wind energy or the water energy to electrical energy.

Description

Blade and use the turbogenerator of this blade

Technical field

The utility model belongs to technical field of generators, relates in particular to a kind of blade and uses the turbogenerator of this blade.

Background technique

At present, existing turbogenerator mainly comprises wind-driven generator or hydroelectric generator, the blade of these two kinds of generators all is flaky texture, its cross section is curvilinear structures or yi word pattern structure, though this blade low cost of manufacture, using scope is wide, but wind energy or waterpower utilization rate are low, and generating efficiency is not high.

The model utility content

The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of wind energy or waterpower utilization rate high blade.

The utility model is to realize like this, a kind of blade, the cross section of described blade is asymmetrical fish shape structure, the cross section of described blade comprises head, body portion and afterbody, described head and body portion are symplex structure, described head is ellipse or round structure, described head is used for the described blade rotation of guiding, described body portion one end is connected with described head, the described body portion the other end is connected with described afterbody, and described afterbody is non-symmetry structure, and described afterbody is elongated taper or strip structure, the bottom of described afterbody caves inward, and described afterbody is used for bearing the driving of extraneous wind energy or water energy.

Particularly, described blade is spirality, and the Hand of spiral of described blade is left-handed or dextrorotation.

Particularly, the spiral angle of described blade is between 90～140 °.

Particularly, the pitch of described blade is 0.1～100 meter.

The utility model also provides a kind of turbogenerator, comprise a pivotal axis and a plurality of blade that centered by described pivotal axis, arranges, be connected by some crossbeams between described blade and the pivotal axis, described pivotal axis is connected with the main shaft of a generator is coaxial, and described blade is foregoing blade.

Particularly, the synthetic plan view of a plurality of described blade shrouds is circular wind wheel or water wheels.

Because the afterbody of blade of the present utility model is elongated taper or strip structure, so the in light weight and blowing area of afterbody is big, afterbody is easier to be driven, wind energy or waterpower utilization rate height; In addition, because the head of blade of the present utility model is ellipse or round structure, so the windage of head is little, and wind energy or the water loss of energy are little.

Adopt the turbogenerator of foregoing blade, it can be converted into wind energy or water in the process of electric energy, and the capacity usage ratio height has improved generating efficiency.

Description of drawings

In order to be illustrated more clearly in the technical solution of the utility model, to do to introduce simply to the accompanying drawing of required use among the embodiment below, apparently, accompanying drawing in describing below only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the schematic perspective view of the blade that provides of the utility model embodiment one.

Fig. 2 is that the cross section of the blade that provides of the utility model embodiment one is the schematic representation of the fish shape structure of symmetry.

Fig. 3 is the schematic perspective view of the blade that provides of the utility model embodiment two.

Fig. 4 is that the cross section of the blade that provides of the utility model embodiment two is the schematic representation of asymmetrical fish shape structure.

Fig. 5 is the schematic perspective view of the turbogenerator that provides of the utility model embodiment three.

Embodiment

Below in conjunction with the accompanying drawing among the utility model embodiment, the technological scheme among the utility model embodiment is clearly and completely described.

Embodiment one

See also Fig. 1, be illustrated in figure 1 as a kind of blade 1 that the utility model embodiment one provides, the cross section of this blade 1 is fish shape.

As shown in Figure 2, particularly, the cross section of described blade 1 is the fish shape structure of symmetry, the cross section of this blade 1 comprises head 11, body portion 12 and afterbody 13, and head 11 is ellipse or round structure, and head 11 is used for guide blades 1 and rotates, body portion 12 1 ends are connected with head 11, body portion 12 the other ends are connected with afterbody 13, and afterbody 13 is elongated taper or strip structure, and afterbody 13 is used for bearing the driving of extraneous wind energy or water energy.

Particularly, described blade 1 is spirality, and the Hand of spiral of blade 1 is left-handed or dextrorotation, and the spiral angle of blade 1 is between 90～140 °, and the pitch of blade 1 is 0.1～100 meter.

When extraneous wind energy or water can blow blade 1, wind energy or water is the afterbody 13 of drive vane 1 at first, and blade 1 is rotated, and head 11 guide blades 1 rotate simultaneously.Because the afterbody 13 of the blade 1 of present embodiment one is elongated taper or strip structure, so the in light weight and blowing area of afterbody 13 is big, afterbody 13 is easier to be driven, wind energy or waterpower utilization rate height; In addition, because the head 11 of the blade 1 of present embodiment one is ellipse or round structure, so the windage of head 11 is little, and wind energy or the water loss of energy are little.

Embodiment two

See also Fig. 3, be illustrated in figure 3 as a kind of blade 2 that the utility model embodiment two provides, the cross section of this blade 2 is fish shape.

As shown in Figure 4, particularly, the cross section of described blade 2 is asymmetrical fish shape structure, the cross section of this blade 2 comprises head 21, body portion 22 and afterbody 23, head 21 and body portion 22 are symplex structure, head 21 is ellipse or round structure, head 21 is used for guide blades 2 and rotates, body portion 22 1 ends are connected with head 21, body portion 21 the other ends are connected with afterbody 23, and afterbody 23 is non-symmetry structure, and afterbody 23 is elongated taper or strip structure, the bottom of afterbody 23 caves inward, and afterbody 23 is used for bearing the driving of extraneous wind energy or water energy.

Particularly, described blade 2 is spirality, and the Hand of spiral of blade 2 is left-handed or dextrorotation, and the spiral angle of blade 2 is between 90～140 °, and the pitch of blade 2 is 0.1～100 meter.

When extraneous wind energy or water can blow blade 2, wind energy or water is the afterbody 23 of drive vane 2 at first, and blade 2 is rotated, and head 21 guide blades 2 rotate simultaneously.Because the afterbody 23 of the blade 2 of present embodiment two is elongated taper or strip structure, therefore the in light weight and blowing area of afterbody 23 is big, afterbody 23 is easier to be driven, and the bottom of afterbody 23 caves inward, can further increase the blowing area of afterbody 23, thus the wind energy of significantly improving or waterpower utilization rate; In addition, be ellipse or round structure because cross section is the head 21 of the blade 2 of fish shape, so the windage of head 21 is little, wind energy or the water loss of energy are little.

Embodiment three

See also Fig. 5, Figure 5 shows that a kind of turbogenerator 3 that the utility model embodiment three provides, it comprises a pivotal axis 31 and at least two blade 32(present embodiment three preferred three blades 32 that arrange centered by pivotal axis 31), be connected (present embodiment three preferred two crossbeams 33) by some crossbeams 33 between blade 32 and the pivotal axis 31, pivotal axis 31 is connected with the main shaft of a generator is coaxial.

Particularly, the blade 32 of present embodiment three is embodiment one or embodiment's two described blades, adopts the turbogenerator 3 of embodiment one or embodiment's two described blades, and it can be converted into wind energy or water in the process of electric energy, the capacity usage ratio height has improved generating efficiency.

Particularly, described blade 32 is spirality, and the Hand of spiral of blade 32 is left-handed or dextrorotation, and the spiral angle of blade 32 is between 90～140 °, and the pitch of blade 32 is 0.1～100 meter.

In the present embodiment three, a plurality of blades 32 are enclosed a plan view and are circular wind wheel or water wheels.It is circular wind wheel or water wheels that present embodiment three adopts a plurality of spiral vanes 32 to enclose a plan view, guaranteed that wind wheel or water wheels facing the wind for 360 °, thereby when making the rotation of wind wheel or water wheels, blade 32 has the best angle of attack all the time, be convenient to wind wheel startup when low water is fast at low wind speed or water wheels, the possibility of having avoided wind wheel or water wheels under similarity condition, to stop operating, guaranteed that turbogenerator 3 can generating when low wind speed or low water speed, solved the change of the existing straight chip blade angle of attack that rotation causes when low wind speed or low water speed and problem that the output power brought reduces and stops operating easily under low wind speed or low water speed.

The above is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection domain of the present utility model.

Claims

1. blade, it is characterized in that, the cross section of described blade is asymmetrical fish shape structure, the cross section of described blade comprises head, body portion and afterbody, described head and body portion are symplex structure, described head is ellipse or round structure, described head is used for the described blade rotation of guiding, described body portion one end is connected with described head, the described body portion the other end is connected with described afterbody, and described afterbody is non-symmetry structure, and described afterbody is elongated taper or strip structure, the bottom of described afterbody caves inward, and described afterbody is used for bearing the driving of extraneous wind energy or water energy.

2. blade according to claim 1 is characterized in that, described blade is spirality, and the Hand of spiral of described blade is left-handed or dextrorotation.

3. blade according to claim 2 is characterized in that, the spiral angle of described blade is between 90～140 °.

4. blade according to claim 2 is characterized in that, the pitch of described blade is 0.1～100 meter.

5. turbogenerator, comprise a pivotal axis and a plurality of blade that centered by described pivotal axis, arranges, be connected by some crossbeams between described blade and the pivotal axis, described pivotal axis is connected with the main shaft of a generator is coaxial, it is characterized in that described blade is as each described blade in the claim 1～4.

6. turbogenerator according to claim 5 is characterized in that, the synthetic plan view of a plurality of described blade shrouds is circular wind wheel or water wheels.