CN2746148Y

CN2746148Y - Wind power generation system

Info

Publication number: CN2746148Y
Application number: CNU2004201154973U
Authority: CN
Inventors: 吴志强
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-11-29
Filing date: 2004-11-29
Publication date: 2005-12-14
Anticipated expiration: 2014-11-29

Abstract

The utility model discloses a wind power generation system which is mainly characterized in that the outside of a main wind wheel is provided with a guide wind wheel (1) provided with blades(14); the guide wind wheel is arranged on the ground of a pool (17) via a column (11) which is a hollow pipe; a reservoir (13) is arranged above the main wind wheel; the lower end of the main shaft of the wind wheel is provided with a blade water pump (7) which is immersed in the pool; the reservoir is connected with the blade water pump via a hollow column, and then is connected with the water inlet of a hydraulic generator via another hollow column. The wind power generation system first converts wind energy into the potential energy of water, and then converts the potential energy of water into electric energy; the wind power generation system has high utilizing rate of the wind energy with stable generation, and favorably complements electricity for areas where lack of electricity.

Description

A kind of wind-power generating system

[technical field]

The utility model relates to a kind of electricity generating device, particularly be a kind of wind-power generating system.

[background technique]

The utilization of wind energy,, cleaning abundant with its reserves, many advantages such as renewable are more and more paid attention to by people.But because natural wind itself, the size of wind-force, direction are constantly changeable, bring many difficulties to the reliable utilization of wind energy.With regard to regard to the more powerful three blade wind wheel generators of more generally promoting at present, its wind direction and wind speed directly have influence on its output power, and will address this problem, usually need to drop into a large amount of funds, complicated equipment with solve wind direction, speed governing, a series of problems such as be incorporated into the power networks, also will require special installation, manufacturing technology, this has just limited generally applying of wind energy power to a great extent.How solving that wind-power generating system is not subjected to the restriction of wind speed, wind direction and effectively utilizes wind energy is the difficult problem that those skilled in the art explore always.

[model utility content]

The technical problems to be solved in the utility model provides a kind of wind speed, wind direction restriction and high wind-power generating system of wind energy utilization of not being subjected to.For achieving the above object, the utility model takes following scheme to finish: a kind of wind-power generating system, include the circumferentially main air wheel of blade, hydraulic turbine generator, wind wheel main shaft and pond, described main air wheel is installed on the wind wheel main shaft, it is characterized in that the outer guiding wind wheel that the band blade is installed of described main air wheel, described guiding wind wheel is installed on the ground in pond by column, described column is a hollow tube, above the main air wheel, be provided with wet pit, be provided with the blade water pump in the lower end of wind wheel main shaft, this blade water pump is immersed in the pond, described wet pit links to each other with the blade water pump by a hollow pillar stand, and links to each other with the water intake of hydraulic turbine generator by another hollow pillar stand.

In the utility model, because the installation of band blade guiding wind wheel, natural wind to any direction, size, can both form the best angle of attack to the main air wheel, the lift maximum of its generation, the wind energy utilization height, blade is along the circle distribution of main air wheel, from distance of shaft centers from farthest, so just can produce very big moment with less wind-force, reach four liang and pull out very heavy effect, reduced the requirement to the strength and stiffness of blade, the utility model can combine wind energy and water, makes energy storage section and power generation part separate, needn't haggle over the rotating speed of wind wheel, but also stable electric generation.

The tangent line at blade tip place and the angle of this blade mid point and wind wheel spindle axis line are 45～60 ° in the described guiding wind wheel upper blade, the tangent line of the blade end points on the described main air wheel and this end points are 25～40 ° to the line angle of wind wheel spindle axis, make the wind of any direction can both produce the best angle of attack, form maximum lift.

The pipe that described hollow pillar stand links to each other with the blade water pump is provided with wind wheel series flow control valve and safety check.The setting of wind wheel series flow control valve can change the rotating speed of wind wheel or wind wheel is stopped operating, convenient for maintaining; The setting of safety check prevents that pump falls after rise to the water in the hollow pillar stand in the pond.

The water outlet of described hydraulic turbine generator is communicated with the pond, makes the water energy recycling, does not cause waste.

In above-mentioned any one technological scheme, described pond also can be connected by outer siphunculus and external water source.Design proposal is in order not to be subjected to the restriction of geographical environment like this.

[description of drawings]

Further describe each relevant details of the utility model embodiment below more in conjunction with the accompanying drawings.

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the sectional view of the utility model Fig. 1 along A-A.

[embodiment]

As Fig. 1, shown in Figure 2, the utility model includes main air wheel 12, hydraulic turbine generator 9, wind wheel main shaft 3 and pond 17, on the main air wheel 12 blade 15 is arranged circumferentially, the tangent line of blade 15 end points on the described main air wheel 12 and this end points are 25～40 ° to the line angle in wind wheel main shaft 3 axle center, certainly the line of its tangent line and wind wheel spindle axis at grade, through overtesting, its angle is arranged to 30 ° and is best angle, described main air wheel 12 is installed on the wind wheel main shaft 3, the guiding wind wheel 1 of band blade 14 is installed outside main air wheel 12, the tangent line at blade tip place and the angle of this blade 14 mid points and wind wheel main shaft 3 axial connecting lines are 45～60 ° in described guiding wind wheel 1 upper blade 14, in like manner, also in same plane, through overtesting, its best angle is 50 ° for its tangent line and line; Guiding wind wheel 1 is installed in by column 11 on the ground in pond 17, and this column 11 is a hollow tube, both can be used as supporting effect, but double as water pipe again, be provided with wet pit 13 above main air wheel 12, this wet pit 13 also can utilize the rainy day retaining, to replenish the deficiency of wind energy, in theory, what this wet pit 13 was provided with certainly is high more, and the potential energy of water is just big more, but in practice, main reference power consumption and geographical environment are selected reasonably height.Be provided with blade water pump 7 in the lower end of wind wheel main shaft 3, this blade water pump 7 is immersed in the pond 17, wet pit 13 links to each other with blade water pump 7 through pipe 16 by a hollow pillar stand, make water pump 7 can by hollow pillar stand with water pump in wet pit 13, and wet pit 13 links to each other with the water intake of hydraulic turbine generator 9 by another hollow pillar stand, and the water in the wet pit 13 just can make hydraulic turbine generator 9 generatings by hollow pillar stand.On pipe 16, be provided with wind wheel series flow control valve 4 and safety check 5, the setting of this wind wheel series flow control valve 4, mainly be that main air wheel 12 is slowed down or brakes, when series flow control valve 4 cuts out, the casing of blade water pump 7 is equivalent to an enclosed areas, it has utilized the incompressibility of water, just can regulate main air 12 speed of rotating of taking turns; In the utility model, the water outlet of hydraulic turbine generator 9 also is communicated with pond 17, make sent out the electricity water can be recycling; Pond 17 in the utility model can be connected by outer siphunculus 6 and external water source, make it not be subjected to the restriction of geographical environment, certainly under good geographical environment, promptly in the place that water is arranged, can directly build the utility model in this place, directly the water source that will locate is as pond 17, and this and an above-mentioned autocratic pond are equivalent.The utility model at first is converted to wind energy the potential energy of water, potential energy converting and energy with water is an electric energy again, as long as the main air wet pit of taking turns 12 upper ends has water like this, the height of its wet pit 13 is certain, thereby its potential energy converting and energy becomes electric energy also just highly stable, so just can stable electric generation.The utility model is almost holistic iron structure, and the basis is very big, support post more than 11 and firm.The blade 14 of guiding wind wheel 1 is made very narrow, very little to the resistance of wind, 12 on main air wheel is subjected to moment loading, and needn't worry the attack of violent storm.System of the present utility model can be designed to it large-scale building, below main air wheel 12, a head cover plate 2 is installed, overhead locate to build up two-layer building at head cover plate 2, its first layer can be made generating operation, other remaining spaces can be made factory building, and the second layer can be used as house or warehouse, greatly utilizes its space.So some enterprise when design house, can take native system into account simultaneously, reaches the saving cost, effectively utilizes the purpose of wind energy.The of the present utility model design successfully particularly to the very practicality of medium and small electricity consumption enterprise, played good replenishing to the area of special short of electricity for it solves severe power shortage.

Claims

1, a kind of wind-power generating system, include the circumferentially main air wheel (12) of blade (15), hydraulic turbine generator (9), wind wheel main shaft (3) and pond (17), described main air wheel (12) is installed on the wind wheel main shaft (3), it is characterized in that the outer guiding wind wheel (1) that band blade (14) is installed of described main air wheel (12), described guiding wind wheel (1) is installed on the ground of pond (17) by column (11), described column (11) is a hollow tube, top at main air wheel (12) is provided with wet pit (13), be provided with blade water pump (7) in the lower end of wind wheel main shaft (3), this blade water pump (7) is immersed in the pond (17), described wet pit (13) links to each other with blade water pump (7) by a hollow pillar stand, and links to each other with the water intake of hydraulic turbine generator (9) by another hollow pillar stand.

2, wind-power generating system according to claim 1, it is characterized in that the tangent line at the interior blade tip of described guiding wind wheel (1) upper blade (14) place and the angle of this blade mid point and wind wheel spindle axis line are 45～60 °, the tangent line of the blade end points on the described main air wheel (12) and this end points are 25～40 ° to the line angle of wind wheel spindle axis.

3, wind-power generating system according to claim 1 is characterized in that being provided with wind wheel series flow control valve (4) and safety check (5) on the pipe (16) that hollow pillar stand links to each other with the blade water pump.

4, wind-power generating system according to claim 1 is characterized in that the water outlet of described hydraulic turbine generator (9) is communicated with pond (17).

5,, it is characterized in that described pond (17) is by outer siphunculus (6) and external water source connection according to the described wind-power generating system of above-mentioned each claim.