CN205533011U - Vertical axis aerogenerator's power control unit - Google Patents

Abstract

The utility model relates to a vertical axis aerogenerator's power control unit, including initiative dish, V type groove and driven plate, characterized by: still include brake block and adjustment mechanism, the initiative dish rotates with V type groove relatively, the driven plate lower surface is connected with V type groove, the brake block is connected through pin and initiative dish, and the brake block can rotate around the pin, adjustment mechanism includes adjusting bolt, adjusting nut, spring and mount, the lower extreme and the adjusting bolt cooperation of spring, and the upper end cooperates with the reference column of brake block, the same shaft fit of adjusting nut, adjusting bolt and mount. The utility model provides a vertical axis aerogenerator output when high wind speed is too big causes the problem of destruction to generator and control circuit to the maximum power value of steerable its output.

Description

A kind of output control device of vertical axis aerogenerator

Technical field

This utility model relates to output control device, the output control device of a kind of vertical axis aerogenerator.

Background technology

Along with the consumption of non-renewable energy resources deteriorates with the continuous of environment, the utilization of regenerative resource has obtained the attention of people, wind energy Being the regenerative resource of a kind of cleaning, in order to tackle the outstanding problem such as energy crisis and ecological deterioration, China has formulated energy strategy Action plan, it is indicated that Optimization of Energy Structure emphatically, and increase considerably to the year two thousand twenty wind-powered electricity generation energy at the proportion of overall energy.

The small-sized vertical wind power generator of off-network was widelyd popularize in recent years, and it takes up room less, easy for installation, it is simple to maintenance； Without wind plant, any wind direction can be accepted；Threshold wind velocity is low, but owing to there is no " the feather machine of horizontal axis wind-driven generator Structure ", it can destroy electromotor and control circuit because output is excessive, therefore, by existing small-sized under high wind conditions Vertical axis aerogenerator improves, and limits its peak power output and its further popularization and application are had definite meaning.

Utility model content

The purpose of this utility model is the problem existed for existing vertical axis aerogenerator, and provides a kind of and revolve with wind-driven generator Centrifugal force when turning is that the peak power output of power controls device, and this apparatus structure is simple, lightweight, and reliability is high, uses Life-span is long.

The technical scheme realizing the novel purpose of this use is: control the clutch of driving disc spacing pressing and clutch plate with governor motion, by regulation Nut regulation realizes the control to vertical axis aerogenerator Maximum Power Output value.

The output control device of a kind of vertical axis aerogenerator, including driving disc spacing pressing, V-groove and clutch plate, unlike the prior art :

Also include brake shoes and governor motion；Driving disc spacing pressing relatively rotates with V-groove；Clutch plate lower surface is connected with V-groove；

Brake shoes is connected with driving disc spacing pressing by pin, and brake shoes can rotate around pin；

Governor motion includes regulating bolt, adjusting nut, spring and fixed mount, and the lower end of spring coordinates with regulation bolt, upper end and The locating dowel of brake shoes coordinates；Adjusting nut, regulation bolt and fixed mount coaxial cooperation.

2 pins symmetrical with the driving disc spacing pressing center of circle it are provided with in described driving disc spacing pressing；Driving disc spacing pressing outer rim is evenly distributed with 4 lugs, each Pilot hole it is equipped with on lug；Driving disc spacing pressing bottom surface is provided with the positioning screw hole for secured adjusted mechanism, and driving disc spacing pressing center is provided with rotation Axle and the hollow cylinder being arranged on outside rotary shaft, be provided with two convex keys in cylinder upper end.

Described clutch plate upper surface is provided with 9 column screws, is uniformly laid with four screws at clutch plate lower surface, is used for and V The assembling of type groove；The inner surface of clutch plate is provided with thrust ball bearing, and this thrust ball bearing is provided with groove.

Described clutch plate upper surface is connected with the shell of disk generator by column screw.

Described V-groove includes four equally distributed screws, and being provided with angle inside V-groove is 60 ° of notches, on notch top It is provided with dashpot.

Described brake shoes is provided with pin hole, and the top of brake shoes is provided with locating dowel that the spring with governor motion is connected and is easy to stop The fixing threaded hole of car sheet dismounting, the notched wall at top and V-groove that brake block is arranged on brake shoes contacts；The afterbody of brake shoes sets Gravitation ball, gravitation ball and brake shoes is had to pass through threaded engagement.

The adjusting nut of described governor motion is two, lays respectively at the two ends of fixed mount.

Described brake shoes, governor motion are two, symmetrical with the rotating shaft center of driving disc spacing pressing respectively.

The device of this utility model control vertical axis windmill peak power is arranged on the wind wheel of vertical axis aerogenerator and sends out with disc type Between motor.During nominal situation, what wind wheel was counterclockwise rotates the rotation driving driving disc spacing pressing with brake shoes, owing to now spring provides Active force more than the centrifugal force of gravitation ball, therefore, V-groove rotates under brake shoes stiction effect, and then drives driven Dish and the rotation of disk generator；During big wind speed, wind speed round increases, and the centrifugal force that gravitation ball provides is more than the active force of spring, Brake shoes separates with V-groove.

The beneficial effects of the utility model are:

(1) controlling the device of vertical axis windmill peak power, can to efficiently solve vertical axis aerogenerator defeated when high wind speed Go out the problem that power is excessive, controlled the active force of spring by adjusting nut, it is achieved that Maximum Power Output value controlled；

(2) centrifugal force work when being rotated by wind wheel, it is not necessary to extra power is provided；A pair brake shoes and governor motion respectively with Rotating shaft center is symmetrical, adds reliability and service life；Simple in construction, lightweight.

Accompanying drawing explanation

Fig. 1 is the external structure schematic diagram controlling power device；

Fig. 2 is the driving disc spacing pressing structural representation controlling power device；

Fig. 3 is the clutch plate structural representation controlling power device；

Fig. 4 is the internal structure schematic diagram controlling power device；

Fig. 5 is the brake shoes structural representation controlling power device；

Fig. 6 is the V-groove structural representation controlling power device；

Fig. 7 is that the A-A of Fig. 6 is to sectional view；

Fig. 8 is the structural representation of amplification 1:5 times at the I of Fig. 7

Fig. 9 is the inner structure size mark schematic diagram controlling power device.

In figure, 1. driving disc spacing pressing 1-1. pilot hole 1-2. hollow cylinder 1-3. pin 1-4. lug 2.V type groove 2-1. screw A 2-2. Notch 2-3. dashpot 3. clutch plate 3-1. column screw 3-2. screw B 4. brake shoes 4-1. pin hole 4-2. locating dowel 4-3. Fixing threaded hole 5. spring 6. first adjusting nut 7. fixed mount 8. second adjusting nut 9. regulates bolt 10. thrust ball 11. gravity Ball 12. fixing hole 13. thrust ball bearing 14. brake block.

Detailed description of the invention

With specific embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings, but is not to limit of the present utility model System.

As shown in Figure 1, 2, 3, the output control device of a kind of vertical axis aerogenerator of this utility model, by driving disc spacing pressing 1, V Type groove 2, clutch plate 3, brake shoes 4, governor motion etc. are constituted；

2 pin 1-3s symmetrical with driving disc spacing pressing 1 center of circle it are provided with in driving disc spacing pressing 1；Driving disc spacing pressing 1 outer rim is evenly distributed with 4 lugs 1-4, each lug 1-4 is equipped with pilot hole 1-1；Driving disc spacing pressing 1 is connected with wind wheel by pilot hole 1-1, driving disc spacing pressing 1 bottom surface Being provided with the positioning screw hole for secured adjusted mechanism, driving disc spacing pressing 1 center is provided with hollow cylinder 1-2, is provided with two in cylinder 1-2 upper end Individual convex key.

Clutch plate 2 upper surface is provided with 9 column screws, is connected with electromotor by column screw 3-1, at clutch plate 2 lower surface Uniformly it is laid with four screws, for the assembling with V-groove, the screw A2-1 of the V-groove 2 and screw B3-2 of clutch plate 3 It is connected by screw；The inner surface of clutch plate is provided with thrust ball bearing 13, and this thrust ball bearing 13 is provided with groove.

As shown in Figure 4, governor motion is the core of whole device, regulates including regulation bolt the 9, first adjusting nut 6, second Nut 8, spring 5 and fixed mount 7；The lower end of spring 5 coordinates with regulation bolt 9, upper end and locating dowel 4-2 of brake shoes 4 Coordinate；First adjusting nut the 6, second adjusting nut 8, regulation bolt 9 and fixed mount 7 coaxial cooperation, the first adjusting nut 6 With the two ends that the second adjusting nut 8 lays respectively at fixed mount 7.

As it is shown in figure 5, brake shoes 4 includes the pin hole 4-1 installing brake shoes 4, the top of brake shoes 4 is provided with location spring 5 Locating dowel 4-2 and be easy to brake block 14 dismounting fixing threaded hole 4-3；Brake block 14 is arranged on top and the V-type of brake shoes 4 The notch 2-2 wall contact of groove 2；The afterbody of brake shoes 4 is provided with gravitation ball 11, and gravitation ball 11 and brake shoes 4 pass through threaded engagement.

As shown in figs 6-8, V-groove 2 includes four equally distributed screw A2-1, and being provided with angle inside V-groove is 60 ° Notch 2-2, is provided with dashpot 2-3 on notch 2-2 top.

As it is shown in figure 9, this equipment energy characteristic solves by the following method, basic calculating formula is as follows:

(1) when wind wheel exceedes certain rotating speed, make brake shoes separate with V-groove, meet formula:

F_Fromcosψx₁-F_Bulletx₂-F_Quietx₃≥0 (1)

In formula: F_FromGravitation ball centrifugal force (N)；F_BulletThe active force (N) of spring；ψ centrifugal force component (N)；

F_QuietStiction (N) suffered by brake shoes；x₁Pin is to gravitation ball centre of sphere distance (m)；

x₂——F_BulletDistance (m) with pin；x₃——F_QuietDistance (m) with pin.

(2) gravitation ball centrifugal force computing formula:

F_From=m ω²r₁ (2)

In formula: the weight (kg) of m gravitation ball；The angular velocity (rad/s) of ω wind wheel；

r₁Gravitation ball radius of turn (m).

(3) required torque during the certain power of electromotor:

$T=9550\frac{P}{n},(N/m)---\left(3\right)$

In formula: P generated output power (kw)；N generator speed (r/min).

(4) the stiction computing formula suffered by brake shoes:

In formula: r₂——F_QuietTo center of rotation distance (m).

(5) when output is, brake shoes departs from the decrement of V-groove just:

In formula: K spring rate (N/mm).

Obtained by formula (1)-(5), the reduction length of spring and the peak power relation limiting electromotor output:

$d\≤\[m{\left(\frac{2\mathrm{\π}n}{60}\right)}^2{r}_1{\mathrm{cos\ψx}}_1-9550\frac{{\mathrm{px}}_3}{{\mathrm{nr}}_2}\]/{\mathrm{Kx}}_2---\left(6\right)$

In formula: r₁=0.09m；r₂=0.11m；x₁=0.16m；x₂=0.03m；x₃=0.02m；K=50N/mm.

Embodiment:

As a example by certain domestic vertical axis aerogenerator, if limiting its peak power output P is 200W, the most now rotating speed n is 1000r/min, is drawn d≤8.2mm by formula (6), will be compressed 8.2mm by spring during adjusting nut by natural length, Its peak power output is limited to 200W.

This utility model output control device, its work process is:

In normal conditions, wind wheel rotate counterclockwise drive driving disc spacing pressing 1 rotate, brake shoes 4 under pin 1-3 effect with driving disc spacing pressing 1 rotates, and rotates under the stiction effect of the V-groove 2 brake block 14 on brake shoes 4, and then drives turning of clutch plate 3 Dynamic, now, all components of this device rotate with identical angular velocity；The rotating speed of wind wheel increases along with the increase of wind speed, when turning When speed exceedes certain value, the active force that the centrifugal force suffered by gravitation ball 11 of brake shoes 4 afterbody is provided more than spring 5, and then Brake shoes 4 rotates around pin 1-3, and brake block 14 departs from V-groove 2, and then driving disc spacing pressing 1 and clutch plate 3 are at thrust ball axle Holding and relatively rotate under 13 effects, when rotating speed reduces, the active force of spring 5 is more than the centrifugal force of gravitation ball 11, brake shoes 4 Return to nominal situation state；The size of the active force of spring 5 can be controlled by regulation adjusting nut 6 (8), and then realize Control the output valve of vertical axis aerogenerator peak power.

Claims (8)

1. an output control device for vertical axis aerogenerator, including driving disc spacing pressing, V-groove and clutch plate, is characterized in that:

Also include brake shoes and governor motion；Driving disc spacing pressing relatively rotates with V-groove；Clutch plate lower surface is connected with V-groove；

Brake shoes is connected with driving disc spacing pressing by pin, and brake shoes can rotate around pin；

Governor motion includes regulating bolt, adjusting nut, spring and fixed mount, and the lower end of spring coordinates with regulation bolt, and upper end coordinates with the locating dowel of brake shoes；Adjusting nut, regulation bolt and fixed mount coaxial cooperation.

Output control device the most according to claim 1, is characterized in that: be provided with the pin symmetrical with the driving disc spacing pressing center of circle in described driving disc spacing pressing；Driving disc spacing pressing outer rim is evenly distributed with several lug, and each lug is equipped with pilot hole；Driving disc spacing pressing bottom surface is provided with the positioning screw hole for secured adjusted mechanism, and driving disc spacing pressing center is provided with rotary shaft and the hollow cylinder being arranged on outside rotary shaft, is provided with two convex keys in cylinder upper end.

Output control device the most according to claim 1, is characterized in that: described clutch plate upper surface is provided with column screw, is uniformly laid with four screws at clutch plate lower surface, for the assembling with V-groove；The inner surface of clutch plate is provided with thrust ball bearing, and this thrust ball bearing is provided with groove.

Output control device the most according to claim 1, is characterized in that: described clutch plate upper surface is connected with the shell of disk generator by column screw.

Output control device the most according to claim 1, is characterized in that: described V-groove includes several equally distributed screw, and being provided with angle inside V-groove is 60 ° of notches, is provided with dashpot on notch top.

Output control device the most according to claim 1, it is characterized in that: described brake shoes is provided with pin hole, the top of brake shoes is provided with the locating dowel that the spring with governor motion is connected and the fixing threaded hole being easy to brake block dismounting, and the notched wall at top and V-groove that brake block is arranged on brake shoes contacts；The afterbody of brake shoes is provided with gravitation ball, and gravitation ball and brake shoes pass through threaded engagement.

Output control device the most according to claim 1, is characterized in that: the adjusting nut of described governor motion is two, lays respectively at the two ends of fixed mount.

Output control device the most according to claim 1, is characterized in that: described brake shoes, governor motion are two, symmetrical with the rotating shaft center of driving disc spacing pressing respectively.