Double-rotor tooth wind-driven generator

FIELD: power industry.

SUBSTANCE: double-rotor tooth wind-driven generator includes stationary stator winding of solenoid type, as well as two rotors from non-magnetic material. Rotors are made in the form of discs and located coaxially. Equal even number of constant magnets is distributed uniformly on each rotor. Stationary stator winding of solenoid type is wound along axis of wind-driven generator and located between two cylindrical cores from ferromagnetic material. Core with larger diameter is fixed with its outer side in the housing. Both rotors are arranged on one shaft. Shaft is connected to wind wheel and has the possibility of being rotated in bearing supports fixed in the housing. Constant magnets are U-shaped, and their poles are located coaxially on each of the rotors and directed unipolar to each other. Each of constant magnets has the possibility of coaxial rotation with edges of cylindrical cores. Edges of cylindrical cores have tooth shape with number of teeth equal to number of constant magnets. Teeth of one edge of cylindrical cores are coaxial to slots of other edge of cylindrical cores. In each slot there located is connection strap from ferromagnetic material, which connects both cores.

EFFECT: increasing EMF induced in stator winding and simplifying the manufacturing procedure of stator winding.

4 dwg

 

The invention relates to the field of wind energy, namely wind power units designed to charge batteries and power a variety of customers, such as electric lighting devices, radio and television sets and other objects without electricity.

Famous double rotor turbine (patent RF №2366829, publ. 10.09.2009, bull. No. 25), adopted as a prototype, which contains two bladed, rotating in different directions, and having a fixed stator winding of the solenoid type, is wound around the annular core of ferromagnetic material and secured the outer side in the housing, and two rotor of non-magnetic material having the form of discs and are located coaxially, each of which evenly distributed the same number of permanent magnets, having a l-shaped form, with the poles of the magnets located on each of the rotors, have the same polarity, and located at different rotors - directed heteropolar to each other, each of permanent magnets made with the possibility of rotation of the poles around half loose in the housing of the winding, and each rotor is connected to the propeller by means of its shaft rotating in bearings fixed in the housing.

The disadvantage of the invention is the o that the magnetic field of the stator is pulsed, i.e. changing from zero to the maximum value, therefore, the value of the current value of the EMF in the stator winding two times less compared to the EMF induced sinusoidal magnetic field. The second disadvantage is that during the rotation of permanent magnets, having a l-shaped form, the EMF will not engage in part-winding, fixed outer side in the body, which reduces the magnitude of the induced EMF. The third disadvantage is the complexity of the technology of manufacturing the stator winding of the wind turbine, requiring the use of a special hook that allows wound around the annular core.

The objective of the invention is the increase induced in the stator winding EMF and the simplification of manufacturing the stator winding.

This task is achieved by the fact that double zubtsovy wind turbines as well as in the prototype contains a stationary stator winding of the solenoid type, as well as two rotor of non-magnetic material having the form of discs and are located coaxially, each of which evenly distributed the same even number of permanent magnets.

According to the invention double zubtsovy the wind turbine has a stationary stator winding of the solenoid type, is wound along the axis wind the generator and located between the two cylindrical cores made of ferromagnetic material, the greater the diameter of the core is fixed the outer side in the case, and both rotors are hosted on the same shaft connected to the propeller and made with the possibility of rotation in the bearings, fixed in the housing, while the permanent magnets are U-shaped, and their poles are aligned on each of the rotors and directed unipolar each other, each of the permanent magnets made with the possibility of rotation in alignment with the ends of the cylindrical cores. The ends of the cylindrical cores have a toothed shape with a number of teeth equal to the number of permanent magnets, so that the teeth of one end of the cylindrical core coaxial with the grooves of the other end of the cylindrical cores, with each groove is a jumper of a ferromagnetic material, connecting both of the core.

The invention has the following advantages over the device prototype:

1. The use of a stationary stator winding of the solenoid type, is wound along the axis of the wind turbine and located between the two cylindrical cores made of ferromagnetic material, allows the winding of the stator winding without the use of special hook, which greatly simplifies the manufacturing technology of the stator winding.

2. Each rotor is the same amount the VA permanent magnets, having a U-shaped, made with the possibility of rotation poles in alignment with the ends of the cylindrical cores, allows you to generate the EMF across the stator windings and increase its value.

3. Making the ends of cylindrical cores jagged shape with a number of teeth equal to the number of permanent magnets, so that the teeth of one end of the cylindrical core coaxial with the grooves of the other end of the cylindrical cores, with each groove is a jumper of a ferromagnetic material, connecting both of the core, as the rotors rotate, placed on the same shaft and having an even number of permanent magnets of the U-shape, the poles of which are aligned on each of the rotors and directed unipolar each other, each of the permanent magnets made with the possibility of rotation in alignment with the ends of the cylindrical cores, allows you to generate in the stator winding EMF sinusoidal current value which is twice the voltage in the device prototype, created a pulsating magnetic field.

Figure 1 shows the main longitudinal section double subcatego wind turbine, having for example four of the U-shaped magnet on each of the rotors in the zero moment of time.

Figure 2 shows a longitudinal section of a double subcatego Vetrov is nerator after turning rotors on one subzone division.

Figure 3 shows the four projections of sections a, b, C, D double subcatego wind turbine.

Figure 4 schematically shows a top view of the cylindrical core and the position of the rotor with permanent magnets in the zero moment of time.

Double zubtsovy wind generator contains two cylindrical core 1, 2 (1, 2), made of a ferromagnetic material. The core 2 having a larger diameter is fixed the outer side in the housing 3. Both core 1 and 2 are rigidly connected by screws 4. Between cores 1 and 2 is the stator winding 5, performed according to the type of solenoid. Two rotors 6, 7 of non-magnetic material are in the form of disks arranged coaxially. On each of the rotors 6 and 7 are evenly distributed the same even number of permanent magnets 8, 9, having a U-shape. Pole permanent magnets 8, 9, which are located respectively on the rotors 6 and 7 are directed coaxially and unipolar each other and arranged to rotate coaxially with the ends of the cylindrical cores 1, 2. Both rotors 6, 7 seated on the shaft 10, which is fixed in the housing 3 by means of bearing assemblies 11, 12. On the shaft 10 planted wind wheel 13. The stator winding 5 connected to the leads 14, fixed to the body 3. Cylindrical cores 1, 2 are the teeth 15 and the grooves 16 in which are located the jumper from ferromag itogo material 17, connecting the ferromagnetic cores 1, 2 (3, 4), with the teeth 15 of one end of the cylindrical cores 1, 2 coaxial grooves 16 of the other end of the cylindrical cores 1, 2.

The device operates as follows. Under the influence of the air flow wind wheel 13 will rotate the rotors 6, 7 and fixed on them permanent magnets 8, 9 with angular velocity ω. In zero time (figure 1) permanent magnets 8 on the rotor 6 will be located opposite the teeth 15 and the magnetic flux will be closed around the coils of the stator winding 5 through the cylindrical cores 1, 2 and the jumper is made of ferromagnetic material 17 in the forward direction, inducting a positive half-wave sinusoidal EMF in the stator windings 5. The magnetic flux of permanent magnets 9 in the rotor 7 will be closed through an air gap of grooves 16 and the jumper is made of ferromagnetic material 17, not inducting EMF in the winding 5.

When turning the rotors on one subzone division (figure 2) permanent magnets 9 in the rotor 7 will be located opposite the teeth 15 and the magnetic flux closes around the coils of the stator winding 5 through the cylindrical cores 1, 2 and the jumper is made of ferromagnetic material 17 in the opposite direction, inducting a negative half-wave sinusoidal EMF in the stator windings 5. The magnetic flux of permanent magnets 8 on the rotor 6 will samiotis is through an air gap of grooves 16 and the jumper is made of ferromagnetic material 17, not inducting EMF in the winding 5. Inductively in the winding 5 a sinusoidal EMF through the conclusions 14 is supplied to the consumer.

Thus, the proposed device allows to increase induced in the stator winding EMF and to simplify the technology of manufacturing the stator winding.

Double zubtsovy a wind turbine, comprising a fixed stator winding of the solenoid type, as well as two rotor of non-magnetic material having the form of discs and are located coaxially, each of which evenly distributed the same even number of permanent magnets, characterized in that the stationary stator winding of the solenoid type is wound along the axis of the wind turbine and is located between the two cylindrical cores made of ferromagnetic material, the greater the diameter of the core is fixed the outer side in the case, and both rotors are hosted on the same shaft, which is connected to the wind turbine and configured to rotate in the bearings, fixed in the housing, permanent the magnets are U-shaped, and their poles are aligned on each of the rotors and directed unipolar each other, each of the permanent magnets made with the possibility of rotation in alignment with the ends of the cylindrical core, and the ends of the cylindrical cores have jagged forms is with the number of teeth, equal to the number of permanent magnets so that the teeth of one end of the cylindrical core coaxial with the grooves of the other end of the cylindrical cores, with each groove is a jumper of a ferromagnetic material, connecting both of the core.



 

Same patents:

FIELD: electricity.

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2 cl, 2 dwg

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Electrical machine // 2400006

FIELD: electricity.

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2 dwg

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3 cl, 2 dwg

Electrical machine // 2396671

FIELD: electricity.

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3 dwg

FIELD: electric engineering.

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5 cl, 14 dwg

FIELD: electricity.

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1 dwg

Electric machine // 2360352

FIELD: motors and pumps; electric engineering.

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5 dwg

Stepping motor // 2358373

FIELD: electricity.

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5 dwg

FIELD: electricity.

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EFFECT: reduced dimensions of a generator.

2 cl, 3 dwg

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