CN2386208Y - High-efficiency wind-driven electric generator - Google Patents

Abstract

The utility model relates to a high-efficiency wind power generator. A vertical shaft windmill is provided with a rectification shell outside the windmill. Bearings are installed on the rotating vertical shaft. The vertical shaft windmill is composed of an upper plate, a lower plate and swing blades. The vertical shaft windmill is fixed to the rotating vertical shaft. A stable plate is installed on the top of the vertical shaft through bearings. A drag cable, the lower part of the rotating vertical shaft is provided with a speed limiter and a base, and a generator is installed in the base, and the rotating vertical shaft is installed with the base through a bearing, and connected with the generator through a coupling.

Description

High Efficiency Wind Turbine

The utility model relates to a high-efficiency wind power generator, which adopts a vertical shaft windmill and can efficiently utilize wind power in various directions.

Commonly used wind-driven generators are mostly driven by horizontal-axis wind rotors to generate electricity. The efficiency of the wind rotors is relatively low. Therefore, Chinese patent CN88216128.8 discloses a vertical-axis wind generator, which has an upper plate, a lower plate and The wind gathering device composed of wind deflectors is equipped with multiple wind buckets around the vertical shaft in the central part. The wind gathering device gathers the wind on the windward side and blows them into the wind buckets, so that the vertical shaft drives the generator to generate electricity. No matter how the wind direction changes, Both can concentrate the wind and accelerate the rotation of the vertical shaft through the collection of wind deflectors, which can improve the efficiency of wind power generation. However, the patented wind deflector device has a large volume and a large windward surface, which requires higher foundations. , The investment is relatively large. In addition, except for the wind deflectors that are consistent with the direction of the airflow, the wind deflectors have poor wind deflecting efficiency, and the overall efficiency is still not ideal.

The purpose of the utility model is to provide a high-efficiency wind generator, which has a reasonable windward side and can effectively utilize wind power from all directions to generate electricity.

The purpose of this utility model is achieved by the following technical solutions: a high-efficiency wind power generator has a vertical axis windmill, and a rectifying shell is arranged outside the windmill, and the front part of the rectifying shell is a guide body, and its The rear part is a wind vane, and one side of the middle part is provided with an air inlet, and the other side is provided with a closed casing. The rectifying casing is installed with a rotating vertical shaft through a bearing. The vertical shaft windmill is composed of an upper plate, a lower plate and a swing blade. The vertical axis windmill is fixed with the rotating vertical shaft, and a stable plate is installed on the top of the vertical shaft through bearings, and a plurality of pulling cables are arranged on the plate. A generator, the rotating vertical shaft is installed on the base through a bearing, and connected with the generator through a shaft coupling.

Compared with the prior art, the utility model has the advantages of reasonable windward area, small windward resistance and high utilization efficiency of wind power.

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is the structural representation of the utility model

Figure 2 is a schematic diagram of the structure of the vertical axis windmill (A-A sectional view of Figure 1)

Figure 3 is a cross-sectional view of the swing blade head

Figure 4 is a schematic diagram of the speed limiter (B-B sectional view of Figure 1)

Referring to Fig. 1 and Fig. 2, the high-efficiency wind power generator of the present utility model has a vertical axis windmill 13, and a rectifying casing 5 is arranged outside the windmill, the front part of the rectifying casing is a guide body 501, and its rear part It is a wind vane 502, one side of the middle part is provided with an air inlet 504, and the other side is provided with a closed casing 503. The rectifying casing is installed with a rotating vertical shaft 7 through a bearing 6 and can rotate around the vertical shaft. The vertical shaft windmill is composed of Upper plate, lower plate 130 and swing type blade 14 constitute, referring to Fig. 3, the head of swing type blade is installed with a column 16 by axle sleeve 15, and this column is fixed with upper plate and lower plate, referring to Fig. 2, in swing type The tail of the blade is provided with a limiting column 17. When the blade is at the position of the air inlet, the blade swings along the flow direction of the wind. When the blade leaves the air inlet and enters the closed casing, the tail of the blade leaves the limit column under the pressure of the air, swings in the opposite direction, and releases the pressure on the back of the blade to reduce the pressure generated when entering the closed casing. The resistance of the vertical axis windmill is fixed with the rotating vertical shaft, and a stable disk 3 is installed through a bearing on the top of the vertical shaft. The disk is provided with a plurality of pulling cables 4, and the pulling cables are fixed to the ground. A rain-proof disk 1 is arranged above, and a plurality of lightning rods 2 are also arranged on the stable disk. In order to prevent the utility model from being damaged by overspeed rotation when the wind force is too large, the bottom of the rotating vertical shaft is provided with a speed limiter 8, see Fig. 4, The speed limiter is composed of a brake hub 801, a centrifugal disc, a centrifugal friction body 803 and a balance tension spring 804. The centrifugal friction body and the balance tension spring are installed in the channel 802 on the centrifugal disc. Bearing and radial bearing are installed with base 10, and generator 11 is housed in the base, and described rotating vertical shaft is connected with generator by coupling 9, and for rainproof, rain-proof disc 12 can also be installed above the speed limiter, so Said base is fixed on the ground 18. In actual operation, the utility model can automatically adjust the direction with the change of the wind direction, direct the guide body to the direction of the airflow, and make the airflow act on the swinging blades with high efficiency, and drive the generator to generate electricity by rotating the vertical shaft. The utility model is particularly suitable for small generators, and can be used for family life in remote areas of my country where wind resources are abundant and power resources are scarce.

Claims (1)

1. A high-efficiency wind generator has a vertical axis windmill (13), characterized in that: a rectifying housing (5) is arranged outside the windmill, the front part of the rectifying housing is a guide body, and its rear part It is a wind rudder, one side of the middle part is provided with an air inlet (504), and the other side is provided with a closed casing, and the rectifying casing is installed through a bearing (6) and a rotating vertical shaft (7), and the vertical shaft windmill is composed of Upper plate, lower plate and swing blade (14) constitute, this vertical shaft windmill is fixed with rotating vertical shaft, a stable disk (3) is installed on the top of described vertical shaft through bearing, and this disk is provided with a plurality of pulling cables (4 ), the bottom of the rotating vertical shaft is provided with a speed limiter (8) and a base (10), and a generator is housed in the base, and the rotating vertical shaft is installed with the base through a bearing, and is connected with the generator by a shaft coupling (9).