CN201896700U

CN201896700U - Wind driven generator

Info

Publication number: CN201896700U
Application number: CN201020606495XU
Authority: CN
Inventors: 赵忠武
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-11-15
Filing date: 2010-11-15
Publication date: 2011-07-13
Anticipated expiration: 2020-11-15

Abstract

The utility model discloses a wind driven generator, which comprises a base, a main shaft, a plurality of vane groups arranged on the main shaft, a generator set connected with the lower end of the main shaft and a cable connected with the generator set and used for outputting power, a reversing device capable of changing positions along with wind is arranged at the upper end of the base, the generator set is arranged on the reversing device. The wind driven generator with the structure has the advantages of adaptability of wind, high utilization efficiency of wind power, high single-machine capacity, low noise, convenience for installation and construction, simple structure and low cost.

Description

Wind-driven generator

Technical field

The present invention relates to a kind of wind generating unit, make main shaft tilt to realize the wind-driven generator that the inclined shaft mode is generated electricity thereby especially relate to a kind of change in location by reversing arrangement.

Background technique

Since many centuries, wind-driven generator is the same with hydraulic machinery, substitutes manpower, animal power as power source, and development of productivity was brought into play important function.Along with being on the rise of the problem in modern age " energy shortage ", people recognize the unstability and the finiteness of conventional fossil energy supply, so the renewable energy sources of seeking to clean becomes an important topic of Modern World then especially.Wind energy has caused that as reproducible, free of contamination natural energy resources people pay attention to greatly, and the research of wind generating unit is formed one upsurge just in the world.

Wind generating unit mainly is divided into two kinds, horizontal axis mode and vertical shaft mode according to the arrangement of main shaft at present.

As the patent No. is that the utility model patent of ZL 200820095503.1 discloses a kind of small-sized wind power generator of anti-the typhoon, be a kind of technological scheme of wind-driven generator of horizontal axis, it comprises the tower bar, be installed in tower masthead end horizontally rotate seat, motor, blade wheel hub, blade, bearing support and main shaft.Though the electricity generating device Wind Power Utilization efficient height of this horizontal axis type, single-machine capacity is big, also has a lot of shortcomings:

1) tower bar height, motor are at tower top, and the installation, maintenance inconvenience needs the super sized type crane gear, operating maintenance expense height;

2) to the orientation-sensitive of wind, need very big noise be arranged to selection by winnowing to device.

And for example the patent No. be ZL 200710030841.7 patent disclosure a kind of technological scheme of vertical wind power generator, its pylon structure is made up of the strut more than three groups or three groups, every group of strut is vertically upward and on same circumference, and the center of circle of circumference is the center of pylon structure; Pylon structure is provided with support and is installed in wind wheel on the support, and wind meter is installed on the wind wheel, and it comprises running shaft and be installed in the blade more than three or three on the running shaft, and running shaft is vertical with ground level and be the center of circle of described circumference; Support is provided with and can controls the central control unit that blade switches between open mode and closed condition according to the direction of wind meter.The electricity generating device of this vertical shaft type can generate electricity for the wind of any direction, does not select wind direction, has saved selection by winnowing to device, and structural design is oversimplified; Pylon is shorter, and installation, maintenance is convenient, and noise is very low.The electricity generating device of this vertical shaft type, shortcoming are that wind energy utilization is low, and single-machine capacity is little.

Summary of the invention

The purpose of this utility model overcomes deficiency of the prior art exactly, and a kind of wind-driven generator that main shaft is tilted by reversing arrangement is provided.

For solving the problems of the prior art, the utility model has adopted following technological scheme: it comprises base, main shaft, be arranged on several vane group on the main shaft, be connected the generator set of main shaft lower end and link to each other with generator set and be used for the cable of output power, the upper end of base is provided with the reversing arrangement that the energy box haul is shifted one's position, and generator set is arranged on the reversing arrangement.

Further, reversing arrangement comprises swinging mounting, the both sides of swinging mounting are connected with left socle, right support by left cross-brace axle, right cross-brace axle respectively, left socle is all fixedlyed connected with base with right support, also is connected with on the swinging mounting and left cross-brace axle and the perpendicular longitudinal bracing axle of right cross-brace axle.

Further, generator set is arranged on the longitudinal bracing axle.

Further, vane group comprises the blade more than 3 or 3.

The utility model has the advantages that:

1) because the upper end of base is provided with reversing arrangement, reversing arrangement is along with the variation of wind direction can be shifted one's position automatically, make blade on the main shaft over against wind direction, need not to realize the peak output generating, saved selection by winnowing to device to wind the utility model wind-driven generator;

2) many being provided with of vane group of group can increase output power on the main shaft, and compare with the horizontal axis generator length of blade is reduced more than 50%, and tip-speed ratio is 50% of an axis power generation system, so noise also reduces;

3) weight member such as generator set is arranged on the lower end of main shaft, and installation, maintenance is convenient, cost saving.

In sum, the utility model wind-driven generator is not selected wind direction, Wind Power Utilization efficient height, and single-machine capacity is big, noise is low, installation, maintenance is convenient, simple in structure, cost is low.

Description of drawings

The utility model is described in more detail below in conjunction with accompanying drawing.

Fig. 1 is the structural representation of the utility model wind-driven generator.

Embodiment

As shown in Figure 1, the utility model wind-driven generator, comprise base 1, main shaft 2, be arranged on the vane group 3 on the main shaft 2, the generator set 4 that is connected main shaft 2 lower ends and the cable 5 that links to each other and be used for output power with generator set 4, the upper end of base 1 is provided with the reversing arrangement 6 that the energy box haul is shifted one's position; Reversing arrangement 6 comprises swinging mounting 61, the both sides of swinging mounting 61 are connected with left socle 64, right support 65 by left cross-brace axle 62, right cross-brace axle 63 respectively, left socle 64 is all fixedlyed connected with base 1 with right support 65, also be connected with the longitudinal bracing axle 66 perpendicular with left cross-brace axle 62 and right cross-brace axle 63 on the swinging mounting 61, generator set 4 is arranged on the longitudinal bracing axle 66.

In the present embodiment, set gradually four groups of vane group 3 with a determining deviation on the main shaft 2, every group of vane group 3 comprises the blade 31 more than 3 or 3.

When the utility model wind-driven generator is installed and used, adjust the position of generator set 4 and longitudinal bracing axle 66, make the center of gravity of generator set 4 be positioned at the bottom of longitudinal bracing axle 66, under no wind environment, the utility model wind-driven generator is not worked, perpendicular to the ground at base 1 place, main shaft 2 is the shear action of wind-engaging not under the action of gravity of generator set 4 for main shaft 2; Having under the environment of wind, under the effect of wind-force and generator set 4 gravity, swinging mounting 61 is shifted one's position, main shaft 2 is along with the certain angle of horizontal tilt, wind-force drives main shaft 2 rotations by vane group 3 simultaneously, and main shaft 2 drives generator set 4 generatings again, and electric power is directly exported by cable 5.

The reversing arrangement 6 of the utility model wind-driven generator is along with the variation of wind direction can be shifted one's position automatically, make blade 31 on the main shaft 2 over against wind direction, need not to realize the peak output generating to wind the utility model wind-driven generator, saved selection by winnowing to device, many being provided with of vane group of group can increase output power on the main shaft 2.Weight members such as generator set are arranged on the lower end of main shaft, when installing and overhauling, the utility model wind-driven generator uses 50 tons of automobile liftings just can, and just needing the crawler crane more than 450 tons carry out work for the horizontal axis blower fan, only this item just can reduce installation and the cost of overhaul more than 90%.

The utility model is not limited to above-mentioned mode of execution; no matter do any variation on its shape or structure, thereby every change in location of reversing arrangement of utilizing makes main shaft tilt to realize that the wind generating unit that the inclined shaft mode is generated electricity has all dropped within the utility model protection domain.

Claims

1. wind-driven generator, comprise base (1), main shaft (2), be arranged on several vane group (3) on the described main shaft (2), be connected the generator set (4) of described main shaft (2) lower end and the cable (5) that links to each other and be used for output power with described generator set (4), it is characterized in that: the upper end of described base (1) is provided with the reversing arrangement (6) that the energy box haul is shifted one's position, and described generator set (4) is arranged on the described reversing arrangement (6).

2. wind-driven generator according to claim 1, it is characterized in that: described reversing arrangement (6) comprises swinging mounting (61), the both sides of described swinging mounting (61) are connected with left socle (64), right support (65) by left cross-brace axle (62), right cross-brace axle (63) respectively, described left socle (64) is all fixedlyed connected with described base (1) with described right support (65), also is connected with on the described swinging mounting (61) and described left cross-brace axle (62) and the perpendicular longitudinal bracing axle (66) of described right cross-brace axle (63).

3. wind-driven generator according to claim 2 is characterized in that: described generator set (4) is arranged on the described longitudinal bracing axle (66).

4. wind-driven generator according to claim 1 is characterized in that: described vane group (3) comprises the blade (31) more than 3 or 3.