CN2454978Y - Super-low wind-power generator - Google Patents

Abstract

The utility model relates to an ultra low speed wind generator, which is a system which is composed of a rotary disk, a fixed disk, wind wheel blades, a fixed wheel, a vertical rod, a collecting ring disk, a rudder lever, a tail rudder and an inverter. The rotary disk and the fixed disk form a generator of the system, and the inverter comprises a 50Hz sine wave oscillator, a shaping circuit, a low voltage output circuit and a reverse phase push-pull circuit. The generator of the utility model has the advantages that the generator has the characteristic of voltage buildup of ultra low speed and can normally generate power when the rotation speed of the wind wheel blades is less than one hundred turns per minute, which provides a new path for wind resource development and exploitation in areas of weak wind; besides, the generator has the advantages of simple structure, no grooving of a core, no armature winding, easy maintenance and long service life.

Description

Ultra-low speed wind-driven generator

The utility model relates to a kind of wind-driven generator, especially a kind of ultra-low speed wind-driven generator.

The wind-driven generator of prior art, because of generator itself does not have the Ultra-Low Speed runnability, so the wind-driven generator with this type of generator designs just can not adapt to the normal power generation at faint wind friction velocity, thereby limit promoting the use of in vast weak wind energy area.

Task of the present utility model is to design a kind of surper-low-speed generator and can export the inverter of power frequency sine wave electric energy to load, thereby makes the wind turbine generator that this surper-low-speed generator and inverter are housed, and can normally move under very low velocity and generate electricity.

This task is achieved in that basic structure pattern of the present utility model is a system that is made up of rolling disc 1, fixed disk 2, wind wheel blade 3, fixed axis 4, upright pole 5, collector ring disc 6, rudder stock 7, tail vane 8 and inverter.The utility model has proposed to improve design to the main member of this system just, the one, adopt and form generator by rolling disc 1 and fixed disk 2, the 2nd, adopt and form electronic installation by rectifier and inverter, guarantee to the stable 220 volts of alternating currents of power frequency sine wave of load output.

The rolling disc of described generator is a garden shape disk body, inlay the some monomer permanent magnets that become even number on it, leave equal gap between each magnet, so just constitute the rolling disc that a monomer permanent magnet is circumferentially arranged in the form of a ring along the garden dish, wind wheel blade is installed in the another side of this rolling disc.

Corresponding with the rolling disc of wind wheel, another fixed disk also is set in opposite directions, two dishes are alternate, leave certain air-gap, and the induction coil of some groups of ribbon cores is installed on the fixed disk, and the permanent magnet of inlaying on its coil quantity and the rolling disc equates.So be provided with, when wind promotion blade, when making the rolling disc rotation, the ring-shaped distributed permanent magnet of inlaying on it just forms a rotating magnetic field, and makes the induction coil on the fixed disk of installing in opposite directions with it, because of cutting magnetic line produces induced current.This by the generator that rolling disc and fixed disk constituted, because of staring torque is little, even under faint wind friction velocity, fan blade also can drive turn disc, and from induction coil output industrial-frequency alternating current.

This induced current becomes direct current and stores in the accumulator jar after collector ring is delivered to rectifier.When treating to power to the load, by inverter,, change 220 volts of alternating currents of power frequency sine wave into again with the direct current of storing in the accumulator jar.

Above-mentioned inverter is made up of following circuit, i.e. 50 hertz of sine-wave oscillator that include hex inverter, Schmidt trigger, clamp down on that circuit and FM circuit constitute and shaping circuit, low-voltage output circuit, paraphase push-pull circuit and tracking circuit.

The operation principle of this inverter is: by the direct current of introducing in rectifier or the accumulator jar, produce 50 hertz of AC signal through oscillator, and by shaping circuit to waveform shaping, become canonical form power frequency sine wave signal, again after paraphase and the amplification of the push-pull circuit rate of doing work, secondary by step-up transformer provides the sinusoidal wave power frequency of 240V-220V to load.

From the above, advantage of the present utility model, the one, by the generator that rolling disc and fixed disk constitute, possess good ultralow run-up and press characteristics, for a difficult problem that solves weak wind generating has been opened up new approach.Use facts have proved, changes even blade rotational speed is lower than per minute 100, also can normal power generation.This advantage provides hope for the development and use of the vast gentle breeze area wind resource of China; The 2nd, the electric energy that this generator produces for the sinusoidal wave power frequency electricity of canonical form, can satisfy the requirement of different loads characteristic, is fit to various household electricity devices and uses; The 3rd, generator does not follow conventional rotor, stator structure, and iron core does not have fluting, does not have armature winding yet, so complete machine structure is simple and easy, compact, safety firm, it is reliable to operate steadily, easy-maintaining, long service life.

Below in conjunction with accompanying drawing, enforcement of the present utility model is described in detail, wherein:

Fig. 1 is the outside drawing of the utility model wind-driven generator.

Fig. 2 is the axial cutaway view of the utility model generator.

Fig. 3 is the rolling disc structural representation of the utility model generator.

Fig. 4 is the fixed disk structural representation of the utility model generator.

Fig. 5 is the collector ring structural representation of the utility model generator.

Fig. 6 is the cutaway view of the collector ring of the utility model generator.

Fig. 7 is the inverter electrical schematic diagram of the utility model generator.

As shown in Figure 1, wind-driven generator of the present utility model is made up of following member: the disk generator that is made of rolling disc 1 and fixed disk 2, the fixed disk of generator fuses by fixed axis 4 and upright pole 5, wind wheel blade 3 is installed on the rolling disc 2 of generator, be contained in collector ring disc and the rudder stock 7 and the tail vane 8 of upright pole lower end, and inverter.

Above-mentioned disk generator is as Fig. 2, Fig. 3 and shown in Figure 4, for being made of rolling disc 1 and fixed disk 2.Its rolling disc is a garden shape disk body 9, and the full periphery in its upper edge is inlayed 8 monolithic permanent magnets 10, and equal gap 11 is arranged between each magnet; With this rolling disc 1 another fixed disk 2 is set in opposite directions, be equipped with on it with rolling disc 1 on permanent magnet 10 quantity induction coils 15 that equate, 8 ribbon cores 14.

Above-mentioned collector ring disc as Fig. 5, shown in Figure 6, is loaded on upright pole lower end, and is connected with disk generator by upright pole.This collector ring disc 6 divides inside and outside two-layer ring, between outer layer ring contact chip 16 and the inner layer ring contact chip 17, all is filled with insulating material 18.When the wind drive vane is rotated, when making the disk generator generating, two collector ring contact chips 16,17, cause and two contacts 20 that are fixed on the shrouding disc 19, effect by pressure spring 21, and keep the excellent contact performance, and will export to load by disk generator from the induced current that the induction coil on the fixed disk produces.

Above-mentioned inverter, as shown in Figure 7, it constitutes: one by hex inverter I _C11,2,3 integrated packages, Schmidt trigger I _C2, diode D ₁, capacitor C ₁And resistance R ₂That forms clamps down on circuit, one by resistance R ₁, potentiometer W ₃And capacitor C ₁The FM circuit and the coupling capacitance C that form ₂50 hertz of sine-wave oscillators being formed; One by hex inverter I _C1In 4,5,6 integrated packages, potentiometer W ₁And W ₂, resistance R ₃, R ₄, R ₅, R ₆And capacitor C ₃The shaping circuit of forming; One by power tube BG ₁With transformer B ₁The low-voltage output circuit of forming; One by triode BG ₂And BG ₃, resistance R ₉, R ₁₀, R ₁₁, R ₁₂, thermistor R ₁₃, R ₁₄With power tube BG ₄, BG ₅The paraphase push-pull circuit of forming; One by capacitor C ₄, resistance R ₁₇The filter regulator circuit of forming and one are by transformer B ₂Tapped coil, resistance R ₁₆, capacitor C ₅The negative feedback tracking circuit that constitutes.In foregoing circuit, transformer B ₁Secondary 0,1,2 ends, join with 0,1,2 end correspondences of phase inverter respectively.

The operation principle of above-mentioned inverter, as shown in Figure 7,24 volts of direct currents by rectifier or accumulator jar input produce 50 hertz of AC signal, after the shaping circuit shaping, by power tube BG in sine-wave oscillator ₁With transformer B ₁Output is greater than 6.5 volts sine wave signal, again after the paraphase push-pull circuit carries out power amplification, by step-up transformer B ₂Be converted to the industrial-frequency alternating current of 240-220 volt, power to power device.

In Fig. 7, from 5 volts of alternating currents of step-up transformer introducing, through resistance R ₁₆, capacitor C ₅The feedback circuit of forming is held to power tube BG by F ₁Synchronous tracking signal is provided, and two shaping circuits then are the waveform voltage that prime is sent into, by replacing regulator potentiometer W ₁, W ₂, realize secondary reshaping, thereby the wave distortion that is produced by oscillator is greatly reduced, reach the standard sine waveform.

By trigger I _C2The feedback communication signal of drawing through clamping down on circuit, can be realized frequency modulation and frequency stabilization effect.And by step-up transformer B ₂Elementary mid point and triode BG ₁Link to each other with rectifier power source, supply with 24 volts of DC power supply to inverter.

By above-mentioned design, wind-driven generator of the present utility model, when blast was arranged, the wind drive vane made the rolling disc of disk generator produce rotating magnetic field because of rotation, and made the induction coil of the ribbon core on the fixed disk produce induced current.This induced current is exported through collector ring, after rectification, charges to accumulator jar again.When the need electricity consumption, inverter will be stored in the direct current in the storage battery again, change 220 volts of alternating currents of power frequency sine wave into, power to power device.

By above-mentioned Fig. 2, Fig. 3 and generator of the present utility model shown in Figure 4, monolithic permanent magnet on rolling disc is 8, and the induction coil on the fixed disk is when also being 8, if 8 induction coils are made complete and tie, then, can produce 50 hertz of power frequency sine wave alternating currents as long as wind speed reaches 94rpm.So this generator is a kind ofly to have ultralow run-up and press characteristic, be applicable to the wind-driven generator of promoting the use of in wide pathogenic south wind area.

Claims (3)

1, the system that is made up of rolling disc, fixed disk, wind wheel blade, fixed axis, upright pole, collector ring disc, rudder stock, tail vane and inverter of ultra-low speed wind-driven generator is characterized in that:

Described rolling disc is a circular disk body, inlay the some monomer permanent magnets that become even number on it, leave equal gap between each magnet, so just constitute the rolling disc that a monomer permanent magnet is circumferentially arranged in the form of a ring along disk, wind wheel blade is installed in another side at this rolling disc

Corresponding with rolling disc, another fixed disk also is set in opposite directions, between two dishes, leave air-gap, the induction coil of some groups of ribbon cores is installed on the fixed disk, the permanent magnet of inlaying on its coil quantity and the rolling disc equates.

2, wind-driven generator according to claim 1, it is characterized in that the constituting of inverter: 50 hertz of sine-wave oscillators being formed by clamping down on of forming of 1,2,3 integrated packages, Schmidt trigger Ic2, diode D1, capacitor C 1 and the resistance R 2 of hex inverter Ic1 FM circuit that circuit, be made up of resistance R 1, potentiometer W3 and capacitor C 1 and coupling capacitor C2; A shaping circuit of forming by 4,5,6 integrated packages, potentiometer W1 and W2, resistance R 3, R4, R5, R6 and capacitor C 3 among the hex inverter Ic1; A low-voltage output circuit of forming by power tube BG1 and transformer B1; A paraphase push-pull circuit of forming by triode BG2 and BG3, resistance R 9, R10, R11, R12, thermistor R13, R14 and power tube BG4, BG5; A filter regulator circuit and the negative feedback tracking circuit of forming by capacitor C 4, resistance R 17 that the tapped coil by transformer B2, resistance R 16, capacitor C 5 constitute.In foregoing circuit, secondary 0,1,2 ends of transformer B1 join with 0,1,2 end correspondences of phase inverter respectively.

3, wind-driven generator according to claim 1 is characterized in that, collector ring disc is loaded on upright pole lower end, and be connected with disk generator by upright pole, this collector ring disc 6 divides inside and outside two-layer ring, between outer layer ring contact chip 16 and the inner layer ring contact chip 17, all be filled with insulating material 18.When the wind drive vane is rotated, when making the disk generator generating, two collector ring contact chips 16,17, cause and two contacts 20 that are fixed on the shrouding disc 19, effect by pressure spring 21, and keep the excellent contact performance, and will export to load by the induced current that produces the induction coil of disk generator from fixed disk.

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