CN209430337U

CN209430337U - A kind of wind power generation plant

Info

Publication number: CN209430337U
Application number: CN201822227453.4U
Authority: CN
Inventors: 康富
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-12-28
Filing date: 2018-12-27
Publication date: 2019-09-24
Anticipated expiration: 2028-12-27

Abstract

The utility model provides a kind of wind power generation plant, including generator, the vertical major connecting with generator and several attachment beams being uniformly arranged around vertical major；Every attachment beam is equipped at least two vertically disposed blade shafts, is vertically arranged at least two panels fan blade on every blade shaft, the orientation that the fan blade on same attachment beam is arranged in is identical；Positioning gear is arranged in vertical major；Blade shaft is equipped with the worm gear being fixedly connected with blade shaft；Positioning gear is connected with worm gear by drive mechanism.The utility model in its operation process, can make each fan blade no matter turn to where, can be automatically adjusted to optimal wind-engaging angle, thus realize farthest utilize wind energy, obtain highest generating efficiency；It can also effectively avoid fan blade is irregular to instigate the air-flow upset around wind power generation plant simultaneously.

Description

A kind of wind power generation plant

Technical field

The utility model belongs to technical field of wind power generation more particularly to a kind of wind power generation plant.

Background technique

With the constantly appearance of environment in recent years problem, the sustainable energies such as wind energy are receive more and more attention. Existing wind-driven generator mainly includes horizontal axis wind-driven generator and vertical axis aerogenerator, wherein vertical-shaft wind hair Not only structure design simplifies motor, but also can reduce gyro power of the wind wheel to wind when, but existing vertical axis wind power generation The blade construction of machine and distribution are simultaneously unreasonable, in its operational process, all blades can not be made to be in ideal wind-engaging state, Such case can not only largely effect on the generating efficiency of generator, but also can disturb the air-flow around generator, cause to generate electricity The vibration of machine itself, damages generator.

Utility model content

In order to solve the above-mentioned technical problem, the utility model provides a kind of wind power generation plant, including generator, with it is described If the vertical major of generator connection and one end and the vertical major are connected to and around what the vertical major was uniformly arranged Dry attachment beam；The every attachment beam is equipped at least two vertically disposed blade shafts, vertically sets on the every blade shaft At least two panels fan blade is set, the orientation that the fan blade on the same attachment beam is arranged in is identical；In the vertical major It is arranged with positioning gear；The blade shaft is equipped with the worm gear being fixedly connected with the blade shaft；The positioning gear and described Worm gear is connected by drive mechanism；The drive mechanism includes the transmission gear engaged with the positioning gear and passes through the biography The center of rotation of moving gear and the worm screw being fixedly connected with the transmission gear；Position corresponding with the worm gear on the worm screw Set the helical tooth for being respectively provided with and engaging with the worm gear.

Further, the transmission ratio of the worm screw and the worm gear is N, and the teeth number of teeth of the positioning gear is the biography 0.5N times of the moving gear teeth number of teeth.

Further, the power generator further includes yaw device and the wind direction connecting with yaw device judgement dress It sets.

Further, the orientation for the fan blade being arranged on the different attachment beams rotates in the same direction；Two The angle of the adjacent attachment beam of root is α °, and the orientation of the fan blade on two adjacent attachment beams is arranged in Angle be 0.5 α °.

Further, the cross section of the fan blade is diamond shape, and the angle of the diamond shape is 2 ° -8 °.

Compared with prior art, the utility model has the beneficial effects that:

Wind power generation plant provided by the utility model can make no matter each fan blade turns in its operation process Where, it can be automatically adjusted to optimal wind-engaging angle, wind energy is farthest utilized to realize, obtain highest hair Electrical efficiency；It can also effectively avoid the irregular of fan blade to instigate the air-flow upset around wind power generation plant simultaneously, prevent generator Because of itself vibration bring damage.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the wind power generation plant of the utility model；

Fig. 2 is the schematic diagram of position and angle that the fan blade of the utility model arranges；

Wherein: 1- vertical major；2- attachment beam；3- blade shaft；4- fan blade；5- positions gear；6- worm gear；7- driving cog Wheel；8- worm screw；9- tower.

Specific embodiment

In the description of the present invention, it should be understood that term " on ", "lower", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as "vertical" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description originally Utility model and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific Orientation construction and operation, therefore should not be understood as limiting the present invention.

The utility model provides a kind of wind power generation plant, as depicted in figs. 1 and 2, including generator and and generator The vertical major 1 of connection, wherein the connection type of the generator and vertical major 1 can be configured according to actual needs, example Such as, the upper end of the input shaft (or rotary shaft) of the generator is connected with the lower end of vertical major 1, and can when the rotation of vertical major 1 Driven generator produces electricl energy or the lower end outer surface of the vertical major 1 is equipped with helical tooth, installs on the input shaft of the generator Have a worm gear (not shown) with spiral tooth engagement, and vertical major 1 when rotating can driven generator produce electricl energy, this is practical new Type does not limit this, in addition, generator storage electric energy and the mode for transmitting electric energy are techniques known, herein no longer Detailed description；Eight attachment beams 2 are uniformly arranged around vertical major 1；One end of attachment beam 2 is connect with the upper end of vertical major 1； The lower end of every attachment beam 2 is connected with two and the vertically disposed blade shaft 3 of attachment beam 2 itself, and blade shaft 3 can be in attachment beam 2 Upper rotation；It is vertically arranged two panels fan blade 4 on every blade shaft 3, the arrangement side of four fan blades 4 on same attachment beam 2 is set To identical；The fan blade 4 being arranged on different attachment beams 2 rotates in the same direction, i.e., all fan blades 4 are along its corresponding blade shaft 3 direction of rotation is identical；Angle between two adjacent attachment beams 2 is 45 °, is arranged on two adjacent attachment beams 2 Angle between the orientation of fan blade 4 is 22.5 °；Positioning gear 5 is arranged in vertical major 1, positioning gear 5 is fixedly mounted At 9 top of tower, vertical major 1 passes through positioning gear 5 and protrudes into tower 9, and the tower 9 is securable on ground or other Above device and generator is mounted on the inside of tower 9, it is of course possible to understand, mounting means of the generator in tower 9 can Be configured according to actual needs, for example, the generator can be fixed on the inner wall of tower 9, or on 9 inner wall of tower it is fixed There is support frame, which is embedded into support frame etc., the utility model does not limit this；It is arranged on blade shaft 3 and wind The lower end of worm gear 6 or blade shaft 3 that rachis 3 is fixedly connected passes through worm gear 6, and the fixed form of the worm gear 6 and blade shaft 3 can also It is selected according to actual needs, for example, the worm gear 6 can be integrally formed with blade shaft 3 or the worm gear 6 can be logical with blade shaft 3 The mode of welding is crossed to achieve a fixed connection, the utility model does not limit this；Positioning gear 5 and worm gear 6 pass through transmission Structure connection, the drive mechanism include with position the transmission gear 7 that engages of gear 5 and across transmission gear 7 center of rotation simultaneously The worm screw 8 being fixedly connected with transmission gear 7, position corresponding with worm gear 6 is respectively provided on every worm screw 8 engages with worm gear 6 Two groups of helical tooths, so that, so that the worm gear 6 connecting with blade shaft 3 rotates, which turns in the case where wind pushes fan blade 4 Dynamic that worm screw 8 is driven to rotate, the rotation of the worm screw 8 has driven the rotation of transmission gear 7, so that realizing wind pushes fan blade 4, make and The attachment beam 2 that fan blade 4 is connected by blade shaft 3 drives vertical major 1 to rotate clockwise；In addition, the transmission of worm screw 8 and worm gear 6 Than being 20, the teeth number of teeth of positioning gear 5 is 10 times of the 7 teeth number of teeth of transmission gear.

In addition, although Fig. 1 shows the embodiment for being vertically arranged two panels fan blade 4 on every blade shaft 3, this field It will be appreciated by the skilled person that the particular number of fan blade 4 is arranged on every blade shaft 3 can also be set according to actual needs It sets, the utility model does not limit this.

Although in addition, of course it is to be understood that specifically defining the transmission ratio of worm screw 8 and worm gear 6, positioning tooth in the present embodiment The ratio value of the 7 teeth number of teeth of the teeth number of teeth and transmission gear of wheel 5, it is understood by those skilled in the art that above-mentioned transmission Than can be configured according to actual needs with ratio value, the utility model is not limited this.

When wind power generation plant provided by the utility model is run, wind pushes fan blade 4, makes to connect with fan blade 4 by blade shaft 3 The attachment beam 2 connect drives vertical major 1 to rotate clockwise, so that the generator connecting with vertical major 1 be made to realize power generation；Together When, since positioning gear 5 is fixedly mounted on 9 top of tower, and the transmission ratio of worm screw 8 and worm gear 6 is 20, positioning gear 5 The teeth number of teeth is 10 times of the 7 teeth number of teeth of transmission gear, so vertical major 1 often rotates clockwise a circle, transmission gear 7 is along fixed Position 5 rotation 10 of gear circle, equally also 10 circle of rotation of worm screw 8, since the transmission ratio of worm screw 8 and worm gear 6 is 20, then 6 inverse time of worm gear Needle rotates half-turn, to make in wind power generation plant operational process, whole fan blades 4 can keep as shown in Figure 2 best always Wind-engaging angle guarantees wind power generation plant so that whole fan blades 4 be allow to push vertical major 1 to rotate with peak power always Generating efficiency highest.

In the present invention, as shown in Figure 2, eight attachment beams 2 have been uniformly distributed around vertical major 1, setting exists Angle between the orientation of fan blade 4 on two adjacent attachment beams 2 is 22.5 °；Set fan blade parallel to the wind direction in Fig. 2 4 be the first fan blade, and the angle of the first fan blade and wind direction is 0 °, and successively setting other fan blades 4 along clockwise direction is second to the Bafeng leaf, second to Bafeng leaf on the basis of the first fan blade, successively have rotated counterclockwise 22.5 °, 45 °, 67.5 °, 90 °, 112.5 °, 135 °, 157.5 °, i.e., second to Bafeng leaf and wind direction angle be followed successively by 22.5 °, 45 °, 67.5 °, 90 °, 112.5 °, 135 °, 157.5 °, therefore fan blade 4 rotates clockwise 360 ° around vertical major 1, the rotation counterclockwise simultaneously of fan blade 4 180 °, i.e. the first fan blade rotates clockwise 45 ° of positions for reaching preceding second fan blade of rotation around vertical major 1, and the first fan blade is simultaneously Can be 22.5 ° of rotation counterclockwise, orientation can become identical as the orientation for rotating preceding second fan blade；It is arranged and is pushed away with this, made The orientation of whole fan blades may be at optimal wind-engaging state always.

In the present invention, a circle is often rotated clockwise to reach vertical major 1, fan blade 4 rotates counterclockwise half-turn Effect, the helical tooth on worm screw 8 are set as left-handed rotation direction.

In the present invention, to make wind power generation plant can satisfy whole fan blades 4 under conditions of any wind direction Remain the requirement of best wind-engaging angle, wind power generation plant further includes yaw device and the wind direction that connect with yaw device Judgment means.Wherein, wind direction judgment means are for determining the wind direction, the measurement wind that wind vane etc. can be selected common come to set It is standby.Yaw device is used to make wind power generation plant integrally rotate according to the wind direction that wind direction judgment means measure, and makes whole The angular relationship of the orientation of fan blade 4 and wind direction always as shown in Fig. 2, yaw device can select according to actual needs it is common The wind-driven generator yaw device of brand and model.

In addition, of course it is to be understood that in the wind power generation plant, yaw device and the wind direction being connect with yaw device The mounting means of judgment means is techniques known, for example, the wind power generation plant includes: rack, tower 9, yaw Device and wind direction judgment means, the rack include generator, vertical major 1, attachment beam 2, blade shaft 3, fan blade 4, positioning gear 5, (tower 9 is by sequentially connected along the vertical direction two or more for a part of worm gear 6, transmission gear 7, worm screw 8 and tower 9 Tower segments are constituted, and a part of the tower 9 is to accommodate one or more tower segments of generator, and the remainder of tower 9 is Remaining tower segments), yaw device is installed between a part of tower 9 and the remainder of tower 9, on the top of rack Wind direction judgment means etc. are installed, are not described in detail herein.

In the present invention, the radical for the attachment beam 2 being arranged in vertical major 1 can arbitrarily be set according to the needs of use It sets；The radical of attachment beam 2 is more, and the quantity that fan blade 4 is arranged is more, and the generating capacity of wind power generation plant can be improved.

In the present invention, fan blade 4 can select the fan blade of various Common Shapes.Advantageous cross sections are diamond shape, The angle of middle diamond shape is 2 ° -8 °, and the mounting stability of fan blade 4 can be improved, and can also make the fan blade 4 in contrary wind running position Caused by resistance it is minimum.

Finally it should be noted that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although The utility model is described in detail referring to preferred embodiment, those skilled in the art should understand that, it can be right The technical solution of the utility model is modified or replaced equivalently, without departing from the spirit and model of technical solutions of the utility model It encloses, should all cover in the scope of the claims of the utility model.

Claims

1. a kind of wind power generation plant, which is characterized in that the power generator include generator, connect with the generator hang down Straight main shaft (1) and one end and the vertical major (1) are connected to and around several connections that the vertical major (1) is uniformly arranged Beam (2)；Every attachment beam (2) is equipped at least two vertically disposed blade shafts (3), on the every blade shaft (3) It is vertically arranged at least two panels fan blade (4), the orientation for the fan blade (4) being arranged on the same attachment beam (2) is identical； Positioning gear (5) is arranged on the vertical major (1)；The blade shaft (3) is equipped with and is fixedly connected with the blade shaft (3) Worm gear (6)；The positioning gear (5) is connected with the worm gear (6) by drive mechanism；The drive mechanism include with it is described Position gear (5) engagement transmission gear (7) and pass through the transmission gear (7) center of rotation and with the transmission gear (7) worm screw (8) being fixedly connected；Position corresponding with the worm gear (6) is respectively provided with and the worm gear on the worm screw (8) (6) helical tooth engaged.

2. power generator according to claim 1, which is characterized in that the transmission ratio of the worm screw (8) and the worm gear (6) For N, the teeth number of teeth of positioning gear (5) is 0.5N times of the transmission gear (7) teeth number of teeth.

3. power generator according to claim 1, which is characterized in that the power generator further include yaw device and with The wind direction judgment means of the yaw device connection.

4. power generator according to claim 1, which is characterized in that be arranged described on the different attachment beams (2) The orientation of fan blade (4) rotates in the same direction；The angle of two adjacent attachment beams (2) is α °, is arranged described The angle of the orientation of the fan blade (4) on two adjacent attachment beams (2) is 0.5 α °.

5. power generator according to claim 1, which is characterized in that the cross section of the fan blade (4) is diamond shape, the water chestnut The angle of shape is 2 ° -8 °.