WO1981003683A1

WO1981003683A1 - Air collecting plate device for vertical shaft windmill

Info

Publication number: WO1981003683A1
Application number: PCT/JP1980/000127
Authority: WO
Inventors: O Tachi
Original assignee: Japan Wind Power Generator Co; O Tachi
Priority date: 1980-06-10
Filing date: 1980-06-10
Publication date: 1981-12-24

Abstract

A vertical shaft windmill which is characterized in that four air collecting plates (4-1, 4-2, 4-3 and 4-4) are equidistantly disposed vertically and radially of the windmill (1) for driving a prime mover, and inclined at substantially 45 with respect to the radial direction of the windmill (1) opposite to the rotating direction thereof so that the angle of one air collecting plate (4-1) is generally 30 with respect to the direction of the most frequent winds experienced at the site throughout one year. The plates (4-1, 4-2, 4-3 and 4-4) collect a wide range of winds to accelerate the speed of the winds, and thus operate the windmill. This affords an improvement in the power production efficiency of a Savonius windmill which was regarded as disadvantageous over a Darius windmill in view of its production cost and in view of its heavy weight attributable to large-sized blades, although the Savonius mill does possess various advantages such as a large starting torque, high strength against strong winds are quiet operation. Thus, the windmill of this invention offers high strength against strong winds and a less pronounced decline in efficiency even if the direction of the wind is slightly altered. The air collecting plates prevent rotational loss attributed to the blades (1-2). Since the plates (4-2 and 4-4) collect the wind and strong winds pass between the plates (4-3 and 4-4) and between the plates (4-1 and 4-2), the air accumulated behind the blades (1-2) is blown out by the strong winds to thus prevent rotational loss of the windmill (1).

Description

Specification

Title of invention

Wind collecting device for vertical axis wind turbine ―

Technical field

In recent years, solar water heaters, solar cells, wave power generation, geothermal power generation, etc. have been reviewed with the increasing awareness of energy saving, and solar water heaters are rapidly spreading, and wave power generation, solar cells, Geothermal power has already been commercialized and used.

In particular, it can be said that wave power generation is at the highest level in Japan.

However, wind power has been alive since BC, and although it has the oldest history, it has been completely realized in Japan, and is in a blank state.

In foreign countries, there are several specialized manufacturers in one country, and some manufacturers have already achieved tens of thousands of achievements.

In particular, in the United States, wind power is expected to have a tf plot that will cover = 2% of total energy in the future.

Background art

The reason why the wind power in Japan is slower than in foreign countries is that the S-book has a sharp change in the wind direction peculiar to the island. It can be said. .

Most winds are destroyed during the wind due to the direct wind.

For this reason, it was considered impossible for stakeholders to use wind power in Japan. Therefore

It is believed that there is no other way to spread wind power generators with the S book than by developing a wind turbine that meets the severe weather conditions of the United States. If used, it must be a windmill that meets the conditions of use in this book.

Brief description of the invention

― ΟΜΡΙ― ― WIPO) The present invention relates to a wind power device used for power generation, pumping, water transmission and various other agricultural works, etc .. It is intended to generate an operation.

Brief description of the drawings

FIG. 1 is a perspective view of the device of the present invention, and FIG. 2 is a plan view showing an operation state of a wind collecting plate.

1 is a windmill 2 and 3 are windmill mounting frames 4-1 4-2 4 ^ 4-is a wind collecting plate.

BEST MODE FOR CARRYING OUT THE INVENTION

There are two types of wind turbines used for wind power equipment, the horizontal axis type and the vertical axis type. The efficiency of the wind turbines is higher for the It users, but for the Yuzuki and the installation, the latter is more attractive.

In particular, the Sabo News type wind turbine is easy to install and solid.

The present invention is suitable for a prime mover device using the above-mentioned savonou use type wind grass, and a plurality of wind collectors are arranged at regular intervals around a vertical wind turbine driving a motive force, and each of the wind turbines is arranged vertically. The wind turbine is fixed at an angle approximately opposite to the direction of rotation with respect to the diametric direction of the wind turbine so that the angle of the wind collecting plate makes an angle with the average wind direction throughout the year at the installation location It is characterized by being installed in

Hereinafter, the structure of the device of the present invention will be described with reference to the drawings.

1 is a sabo news type (longitudinal resistance type) windweed with two blades 1-1 · 1-2, 2 · 3 is a pair of upper and lower windmill bearings, and the prime mover such as a generator is 機It is accommodated in the lower frame 3 formed in a shape.

Around the wind turbine 1, a number of wind collectors 扳 4 -1 · 4 -2 · 4 -3 · 4 -4 are arranged vertically and at equal intervals.

Each of the above-mentioned winds 4 -1 4 4 -2-4 -3 4 4-4 ¾f in the diametric direction of the wind turbine 1, and is approximately inclined to the direction A Fixed to 2 · 3

The overhang length of the wind collecting plate should be at least about the radius of the wind turbine 1.

O PI

, ΑΪΙ. The wind direction of a place where constant wind blows, such as the installation of a wind power unit, can be roughly divided into two directions in a narrow year.

Therefore, the apparatus of the present invention is installed in such a manner that the direction of the collected wind -1 4-1 is approximately J degrees with respect to the average wind direction W in accordance with any of the wind turbines.

As shown in Fig. 2, when the wind blows from the direction of, a wide area of wind is collected by the wind collecting plate, especially the wind collecting area 扳 4-1 4 4 -4, and the natural wind speed is increased by up to Q%. In this state, it hits the wind turbine 1 and the power generation efficiency increases.

In the case of a Sabo news type wind turbine, 'one of the blades 1 "2 has a negative effect on the rotation direction to generate a small amount of rotation, but according to the device of the present invention, the blades 1 to 2 can prevent rotation loss.

That is, as described above, the wind collecting work is performed between the wind collecting plates 4-1 and 4-4, and the strong wind is tight between the wind collecting plates 4-3 and 4-4 and between the wind collecting plates 4-1 and 4-2. To escape, the air behind blades 1-2 is expelled by the strong wind.

Therefore, no rotation loss occurs in the wind turbine 1.

When the direction of the wind that hits the collecting wind plate 4-1 is degrees and degrees, the efficiency is reduced by / S to u% compared to the case of the J degree.

When the wind blows from a certain angle (perpendicular to the phoenix board 4-1), the efficiency is reduced to a minute / minute at a stroke.

Therefore, when installing the apparatus of the present invention, it is most effective to set the wind collecting plate 4-1 at an angle of about 3 degrees in the direction W of the wind and to obtain the wind collecting effect. There is.

In addition, when the overhang length of the wind collecting plate is set to be approximately the same as the diameter of the wind band 1, the angle of the wind collecting plate 4 -1 with respect to the wind J is about Experiments show that the efficiency is twice as high. .

However, since the wind direction changes by many Φ, it is appropriate to consider the average effect to be J-fold As shown in the chain line in FIG. 1, a rectifying plate 5 may be provided on the upper edge of each wind collecting plate as needed to prevent the wind hitting the wind collecting plate from warping upward.

-Industrial efficiency

The use of wind collectors has greatly advanced the practical use of the Sabo News Rotor, but the content of recent gf competitions has been widespread, and neon advertisements, electric pumps, pumps, and heat pumps It will be used in a wide range of fields such as driving, dirty 7 aeration, ventilation fans, etc.In the case of extracting it as air energy, loss of generators, mechanical loss, loss of storage batteries, etc. are not so effective. It is not good, but when directly driven such as a mature pump or a water pump, the efficiency can be raised by several to several tens of g, so that not only the field as an electric engineer but also the It seems that the way to use it as a power source will be endless.

Also, solar cells and wind power generators will compete in the field of shosai as a means to easily extract the energy of Xiaoki energy.

The use of solar cells in windless areas without snowfall, the use of wind power generators in strong windy areas with snowfall, and the combined use of intermediate wind farms are expected to spread rapidly in the coming years.

OMPI VIPO ~

Claims

The scope of the claims

A pair of wind collectors 4 -1 · 4-2-4 -3-4-4 are arranged at equal intervals around the longitudinal wind band 1 that drives the prime mover. Wind grass 1 is fixed at an angle of approximately ^ degrees to the opposite side to the direction of rotation with respect to the diametrical direction of the wind grass 1. A wind power device that is installed so that the

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