CN210919337U

CN210919337U - Weak wind starting device of small vertical axis wind turbine

Info

Publication number: CN210919337U
Application number: CN201922191554.5U
Authority: CN
Inventors: 师晓飞; 李正义; 吕亮; 牛明飞; 赖右福
Original assignee: Datang Huaxian Wind Power Co ltd
Current assignee: Datang Huaxian Wind Power Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-07-03
Anticipated expiration: 2029-12-10

Abstract

The weak wind starting device of the small vertical axis wind driven generator comprises a base, wherein a vertical fixed shaft is arranged on the base, a rotating shaft is arranged on the vertical fixed shaft, an extensible auxiliary roller shutter is connected onto the rotating shaft, the long shaft of the auxiliary roller shutter is arranged in parallel with the rotating shaft of the vertical fixed shaft, a wind curtain is arranged in the vertical direction of the auxiliary roller shutter in a rolling mode, the wind curtain can be extended along the horizontal direction, a motor support is further connected onto the rotating shaft, a stretching motor is arranged on the motor support, the stretching motor is electrically connected with a rotating speed measuring device of the small vertical axis wind driven generator, and the output end of the stretching motor; the weak wind starting device of the small vertical axis wind driven generator can assist the fan to start in weak wind, retract to reduce the running resistance in normal running of the fan and improve the running efficiency of the fan.

Description

Weak wind starting device of small vertical axis wind turbine

Technical Field

The utility model relates to a small-size vertical axis aerogenerator weak wind starting drive belongs to wind power generation technical field.

Background

With the gradual promotion of new energy policies in China, the application of wind driven generators is more and more emphasized by people. Among them, the vertical axis wind power generator has been developed greatly with the advantages of reduced floor space, low noise, and strong wind resistance. The Da lie type vertical axis wind turbine is the most common one in current application, and the Da lie fan belongs to a lift type vertical axis wind turbine.

Disclosure of Invention

The utility model aims to provide a: the weak wind starting device of the small vertical axis wind driven generator can assist the fan to start in weak wind, retract to reduce the running resistance in normal running of the fan and improve the running efficiency of the fan.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the weak wind starting device of the small vertical axis wind driven generator comprises a base, wherein the base is fixedly arranged on a foundation, a vertical fixed shaft is arranged on the base, a rotating shaft is arranged on the vertical fixed shaft, a blade support is connected onto the rotating shaft, a wind power blade is connected onto the blade support, an extensible auxiliary roller shutter is connected onto the rotating shaft, the long shaft of the auxiliary roller shutter is arranged in parallel with the rotating shaft of the vertical fixed shaft, a wind curtain is arranged on the auxiliary roller shutter in a rolling manner in the vertical direction, the wind curtain can be stretched in the horizontal direction, a motor support is also connected onto the rotating shaft, a stretching motor is arranged on the motor support, the stretching motor is electrically connected with a rotating speed measuring device of the small vertical axis wind driven generator, and; furthermore, the auxiliary roller shutter comprises a roller shutter shell, a roller shutter shaft and a wind shutter, the wind shutter is arranged on the roller shutter shaft, the roller shutter shell is fixedly connected with a rotating shaft on the vertical fixed shaft, the roller shutter shaft is rotatably connected with the roller shutter shell, a return spring is arranged in the roller shutter shell, one end of the return spring is connected to the rotating end of the roller shutter shaft, and the other end of the return spring is pressed on the roller shutter shell; furthermore, two fixed tables are arranged along the vertical direction on a rotating shaft arranged on a vertical fixed shaft, the fixed tables are fixedly connected with the rotating shaft, the auxiliary roller shutter is fixedly connected between the fixed tables, a motor support is connected onto the fixed tables, the motor support comprises two horizontal supports in the horizontal direction and a vertical support in the vertical direction, the two horizontal supports are arranged on the same vertical plane in parallel and are respectively connected with the two fixed tables, the vertical support is vertically connected between the two horizontal supports, a stretching motor is fixedly connected onto the vertical support, and the output end of the stretching motor is connected with the air curtain; furthermore, a plurality of auxiliary rolling curtains are arranged on the rotating shaft, and are uniformly distributed on the rotating shaft by taking the vertical fixed shaft as a middle shaft.

The utility model discloses an actively beneficial technological effect lies in: the utility model discloses a set up the supplementary book curtain of rolling up of contraction type on vertical axis generator, open when starting and roll up the curtain and can assist and utilize wind-force to make the fan begin to operate, roll up the curtain and pack up and to avoid the book curtain to cause running resistance to make wind-force loss after fan operation is normal, reach and assist vertical fan to start and do not influence the effect of generating efficiency.

Drawings

Fig. 1 is a schematic view of the retracted roller blind according to an embodiment of the present invention.

Fig. 2 is a schematic view of the roller blind according to an embodiment of the present invention when it is opened.

Fig. 3 is a schematic cross-sectional view of an auxiliary roller blind according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of the return spring and the rolling shutter shaft according to an embodiment of the present invention.

Detailed Description

In order to explain the utility model more fully, the following embodiment examples of the present invention are provided, which are only for the explanation of the present invention and do not limit the scope of the present invention.

The invention is explained in further detail with reference to the drawings, in which: 1. a base; 2. a vertical fixed shaft; 3. wind power blades; 4. a fixed table; 5. an auxiliary roller shutter; 6. a transverse support; 7. a vertical support; 8. a stretching motor; 9. an air curtain; 10. a roller shutter housing; 11. an air curtain; 12. a roller shutter shaft; 13. a bearing; 14. a return spring; 15. a blade support.

As shown in the figure: the weak wind starting device of the small vertical axis wind driven generator comprises a base 1 arranged on a foundation, wherein a vertical fixed shaft 2 is arranged on the base, a rotating shaft is arranged on the vertical fixed shaft, a blade support 15 is connected onto the rotating shaft, a wind power blade 3 is connected onto the blade support, two fixed stations 4 are arranged on the rotating shaft along the vertical direction in the embodiment, the fixed stations are fixedly connected with the rotating shaft, an auxiliary roller shutter 5 is arranged between the two fixed stations, the auxiliary roller shutter comprises a roller shutter shell 10, a roller shutter shaft 12 and a wind shutter 9, the wind shutter is arranged on the roller shutter shaft, two ends of the roller shutter shell are fixedly connected with the fixed stations, the roller shutter shaft is rotatably connected with the roller shutter shell, a reset spring 14 is arranged in the roller shutter shell, one end of the reset spring is connected to the rotating end of the; still be connected with the motor support on the fixed station, the motor support includes two horizontal supports 6 of horizontal direction and the vertical support 7 of vertical direction, two horizontal support parallel arrangement are on same vertical plane and be connected with two fixed stations respectively, vertical support vertical connection is between two horizontal supports, fixedly connected with drawing motor 8 on the vertical support, drawing motor is with small-size vertical axis aerogenerator's rotational speed survey device electric connection, drawing motor's output is connected with the wind curtain through acting as go-between.

The utility model discloses when the fan did not start, the air curtain was drawn by extension motor and is in the extension state, and when the wind speed was not high, the air curtain received the effect of wind to drive the pivot rotatory, and the fan starts the back, and the fan blade receives the lift effect can drive the pivot rotatory back, and small-size vertical axis aerogenerator's rotational speed measuring device control tensile motor relaxs the air curtain, and the air curtain receives reset spring effect to retract back to roll up in the curtain casing, and the fan gets into normal operating mode.

The rotating speed measuring device is a necessary device in the wind driven generator, and a mechanism for controlling the stretching motor to operate is a mature technology in the prior art, and is not described herein again.

After the embodiments of the present invention have been described in detail, those skilled in the art can clearly understand that various changes and modifications can be made without departing from the scope and spirit of the above claims, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention all fall within the scope of the technical solution of the present invention, and the present invention is not limited to the embodiments of the examples given in the specification.

Claims

1. Small-size vertical axis aerogenerator weak wind starting drive, including the base, the base is fixed to be set up on the ground, is provided with perpendicular fixed axle on the base, be provided with the pivot on the perpendicular fixed axle, be connected with the blade support in the pivot, be connected with wind-powered electricity generation blade, its characterized in that on the blade support: the wind driven generator is characterized in that an extensible auxiliary roller shutter is connected to the rotating shaft, the long shaft of the auxiliary roller shutter is arranged in parallel with the rotating shaft of the vertical fixing shaft, the wind shutter is arranged in an upward rolling mode in the vertical direction of the auxiliary roller shutter and can be stretched in the horizontal direction, a motor support is further connected to the rotating shaft, a stretching motor is arranged on the motor support and is electrically connected with a rotating speed measuring device of the small vertical axis wind driven generator, and the output end of the stretching motor is connected with the wind shutter.

2. The weak wind starting device of the small vertical axis wind turbine as claimed in claim 1, wherein: supplementary roll up curtain including rolling up a curtain casing, rolling up a curtain axle and air curtain, the air curtain is rolled up and is established on rolling up a curtain axle, rolls up curtain casing and the epaxial pivot fixed connection of vertical fixation, rolls up a curtain axle and rolls up curtain casing and rotate to be connected, is provided with reset spring in rolling up the curtain casing, and reset spring one end is connected and is served in rolling up the rotation of curtain axle, and reset spring's other end is pressed and is established on rolling up the curtain casing.

3. The weak wind starting device of the small vertical axis wind turbine as claimed in claim 1 or 2, wherein: the utility model discloses a vertical wind curtain, including the fixed axle, the pivot of setting is provided with two fixed stations along vertical direction on the perpendicular fixed axle, fixed station and pivot fixed connection, supplementary roll up curtain fixed connection between the fixed station, be connected with the motor support on the fixed station, the motor support includes the vertical support of two horizontal supports and vertical direction of horizontal direction, two horizontal support parallel arrangement on same vertical plane and be connected with two fixed stations respectively, vertical support vertical connection is between two horizontal supports, fixedly connected with tensile motor on the vertical support, tensile motor's output and air curtain are connected.

4. The weak wind starting device of the small vertical axis wind turbine as claimed in claim 1, wherein: the rotating shaft is provided with a plurality of auxiliary rolling curtains which are uniformly distributed on the rotating shaft by taking the vertical fixed shaft as a middle shaft.