CN105305924A - Internally controlled pole-changing three-phase motor system - Google Patents

Abstract

The invention creatively discloses an externally controlled pole-changing three-phase motor system. According to the externally controlled pole-changing three-phase motor system, built-in control information of an active magnetic control system lidesheng (14) is output via an active magnetic control system lidesheng control port 1 (9) and via an active magnetic control system lidesheng control port 2 (13) respectively and power supply of the excitation solenoid (1) is realized through an input port 1 (7) and an input port 2 (10) respectively; the excitation solenoid (1) is electrified to generate a polarized magnetic field with a variable N/S; the variable polarized magnetic field generated by the excitation solenoid (1) and a rotor synchronously cut a motor solenoid (3); the motor solenoid (3) subjected to cutting of magnetic lines of force generates a drive magnetic field; and a power supply input inputs three-phase electric energy through a power supply input port 1 (15), a power supply input port 2 (16), a power supply input port 3 (17), a power supply input port 4 (18), a power supply input port 5 (19) and a power supply input port 6 (20) respectively, so that the targets of changing of a rotating speed within a cycle and adjusting of the stability of a motor in a pole-changing manner are achieved.

Description

Internal control pole-changing three phase electric machine system

Technical field

The present invention relates to the internal control pole-changing motor technology of the multi-field purposes such as a kind of active magnetic, particularly relate to a kind of device utilizing interior I-shaped magnetic conductor and line bag size of current forward and reverse with control line bag electric current; The electric device (being called for short " internal control pole-changing three phase electric machine system ") utilizing variable speed to drive with aircraft, unmanned plane, electric motor car, fan, air compressor machine etc.

Background technology

The frequency converter of current motor application is made up of electronic devices and components, and components and parts easily burn by big current and overload, have direct correlation easily to damage with ambient temperature, humidity; Frequency converter is online variable mode, and product cost is high; The motor price of frequency converter and this power is close and higher.

Summary of the invention

The present invention be directed to the deficiencies in the prior art and a kind of internal control type pole-changing three phase electric machine technology is provided.

The problem that the present invention solves: motor and electric tool and electric equipment automatic speed regulation; Firing current is little contributes to energy-conservation and speed stabilizing; Reduce electrical fault, reduce product cost.

Principle of the present invention: according to electric magnetisation principle, utilizes line bag around interior I-shaped magnetic conductor excitation magnetic field, and line bag electric current as required positive anti-switching form polarity exchange and rotor synchronous rotary and stator line and contract for fixed output quotas to give birth to and cut driving magnetic field.

N=S × F/P: rotating speed N=time S(fixed value) to look equipment variable for * frequency F()/magnetic pole logarithm P(pole-changing number), namely change magnetic pole logarithm and reach and make up the self balancing effect of rotating speed; Automatically reduce when external force actuating speed improves magnetic pole logarithm reduce simultaneously line bag electric current reduce magnetic field intensity adjustment output speed stablize; Automatically increase when external force actuating speed is slowed down magnetic pole logarithm increase simultaneously line bag electric current improve magnetic field intensity adjustment output speed stablize.

Reactive magnetron system features: N/S magnetic pole arbitrarily variable, I size of current and magnetic field intensity electrodeless adjustable.

Structure of the present invention comprises: excitation wire bag, interior I-shaped magnetic conductor, motor lines bag, outer motor magnetic conductor, N/S magnetic pole, cutting magnetic line direction 1, input port 1, rotor direction of rotation, reactive magnetron system lidesheng control port 1, input port 2, magnetic line of force direction 2, S/N magnetic pole, reactive magnetron system lidesheng control port 2, reactive magnetron system lidesheng, power input port 1, power supply input 2, power input port 3, power input port 4, power input port 5, power input port 6 etc.

Jointly internal control type pole-changing three phase electric machine system is formed by I-shaped magnetic conductor in 1. excitation wire bags and 2. and 3. motor lines bags and 4. outer motor magnetic conductors and 14. reactive magnetron system lidesheng etc.

The built-in control information of 14. reactive magnetron system lidesheng is exported to be exported by 7. input port 1 and 13. reactive magnetron system lidesheng control ports 2 through 9. reactive magnetron system lidesheng control ports 1 respectively and is powered to 1. excitation wire bags by 10. input ports 2,1. what excitation wire Bao get electricity generation N/S was variable has polarity magnetic field, 1. excitation wire is contracted for fixed output quotas and raw variable is had polarity magnetic field and rotor synchronous cutting 3. motor lines bag, and 3. motor lines bag produces driving magnetic field by cutting magnetic line.

Power supply input is respectively through 15. power input port 1 and 16. power input port 2; 17. power input port 3 and 18. power input port 4; 19. power input port 5 and 20. power input port 6 input three-phase electric energy, and in performance period, the mode of the change pole-changing of rotating speed adjusts the object of the stability of motor.

Accompanying drawing explanation

Fig. 1 is patent internal control pole-changing three phase electric machine system configuration schematic diagram of the present invention

In figure: 1. excitation wire bag, 2. I-shaped magnetic conductor in, 3. motor lines bag, 4. outer motor magnetic conductor, 5.N/S magnetic pole, 6. cutting magnetic line direction 1, 7. input port 1, 8. rotor direction of rotation, 9. reactive magnetron system lidesheng control port 1, 10. input port 2, 11. magnetic line of force directions 2, 12.S/N magnetic pole, 13. reactive magnetron system lidesheng control ports 2, 14. reactive magnetron system lidesheng, 15. power input port 1, 16. power input port 2, 17. power input port 3, 18. power input port 4, 19. power input port 5, 20. power input port 6.

Embodiment

Accompanying drawings is as follows

embodiment 1: one 400 kilowatts of alternating current motor: exciting voltage 180V; Electric current 23.6A, power=4248VA.reactive magnetron system lidesheng only controls power 4248VA load, and relative process structure is easy, cost is cheap.

Structure of the present invention comprises: excitation wire bag, interior I-shaped magnetic conductor, motor lines bag, outer motor magnetic conductor, N/S magnetic pole, cutting magnetic line direction 1, input port 1, rotor direction of rotation, reactive magnetron system lidesheng control port 1, input port 2, magnetic line of force direction 2, S/N magnetic pole, reactive magnetron system lidesheng control port 2, reactive magnetron system lidesheng, power input port 1, power supply input 2, power input port 3, power input port 4, power input port 5, power input port 6 etc.

Jointly internal control type pole-changing three phase electric machine system is formed by I-shaped magnetic conductor in 1. excitation wire bags and 2. and 3. motor lines bags and 4. outer motor magnetic conductors and 14. reactive magnetron system lidesheng etc.

The built-in control information of 14. reactive magnetron system lidesheng is exported to be exported by 7. input port 1 and 13. reactive magnetron system lidesheng control ports 2 through 9. reactive magnetron system lidesheng control ports 1 respectively and is powered to 1. excitation wire bags by 10. input ports 2,1. what excitation wire Bao get electricity generation N/S was variable has polarity magnetic field, 1. excitation wire is contracted for fixed output quotas and raw variable is had polarity magnetic field and rotor synchronous cutting 3. motor lines bag, and 3. motor lines bag produces driving magnetic field by cutting magnetic line.

Power supply input is respectively through 15. power input port 1 and 16. power input port 2; 17. power input port 3 and 18. power input port 4; 19. power input port 5 and 20. power input port 6 input three-phase electric energy, and in performance period, the mode of the change pole-changing of rotating speed adjusts the object of the stability of motor.

Claims (1)

1. one kind by internal control pole-changing three phase electric machine system, excitation wire bag is it is characterized in that described in claim, interior I-shaped magnetic conductor, motor lines bag, outer motor magnetic conductor, N/S magnetic pole, cutting magnetic line direction 1, input port 1, rotor direction of rotation, reactive magnetron system lidesheng control port 1, input port 2, magnetic line of force direction 2, S/N magnetic pole, reactive magnetron system lidesheng control port 2, reactive magnetron system lidesheng, power input port 1, power supply input 2, power input port 3, power input port 4, power input port 5, power input port 6 etc.,

Jointly internal control type pole-changing three phase electric machine system is formed by I-shaped magnetic conductor in 1. excitation wire bags and 2. and 3. motor lines bags and 4. outer motor magnetic conductors and 14. reactive magnetron system lidesheng etc.;

The built-in control information of 14. reactive magnetron system lidesheng is exported to be exported by 7. input port 1 and 13. reactive magnetron system lidesheng control ports 2 through 9. reactive magnetron system lidesheng control ports 1 respectively and is powered to 1. excitation wire bags by 10. input ports 2; 1. what excitation wire Bao get electricity generation N/S was variable has polarity magnetic field; 1. excitation wire is contracted for fixed output quotas and raw variable is had polarity magnetic field and rotor synchronous cutting 3. motor lines bag, and 3. motor lines bag produces driving magnetic field by cutting magnetic line;

Power supply input is respectively through 15. power input port 1 and 16. power input port 2; 17. power input port 3 and 18. power input port 4; 19. power input port 5 and 20. power input port 6 input three-phase electric energy, and in performance period, the mode of the change pole-changing of rotating speed adjusts the object of the stability of motor.