CN105305909A - Internally controlled frictionless three-phase magnetic brake system - Google Patents

Abstract

The invention creatively discloses an internally controlled frictionless three-phase magnetic brake system. According to the internally controlled frictionless three-phase magnetic brake 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 an 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 an output solenoid (3); and the output solenoid (3) subjected to cutting of magnetic lines of force generates alternating voltage and outputs the alternating voltage through an output port 1 (15), an output port 2 (16), an output port 3 (17), an output port 4 (18), an output port 5 (19) and an output port 6 (20) respectively and back electromotive force is generated due to complete closure. The rotor is reversely restricted by the back electromotive force to achieve the targets of speed adjustment and braking.

Description

Internal control to be stopped system without friction three-phase magnetic

Technical field

The present invention relates to a kind of magnetic and the internal control of multi-field purposes such as to stop without friction non-contact electromagnetic braking brake technology, particularly relate to and a kind ofly utilize interior I-shaped magnetic conductor to control the device of excitation wire bag size of current; Utilize motor to drive with electric motor car, motor, flying object, locomotive etc. and and regulate the speed at any time and the device (being called for short " internal control without friction three-phase magnetic stop system ") of fast braking brake.

Background technology

Current braking has machinery and electromagnetic braking mode, and all relevant with contact area frictional resistance, friction material, friction exists friction and lost efficacy, and rub the hidden danger such as sintering; Friction plate is constantly changed; Electromagnetic braking is applied in defect and the energy consumption issues such as the large power consumption of linear heat generation rate stalling current.

Summary of the invention

The present invention be directed to the deficiencies in the prior art provides a kind of internal control without friction non-contact electromagnetic speed governing brake technique.

The problem that the present invention solves: electric motor car, motor, aircraft, electrical equipment etc. utilize motor to drive and speed governing at any time and fast braking are braked and free of replacement brake block, reaches the relevant of energy-saving safety.

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 regulates excitation and rotor synchronous rotary and stator line to contract for fixed output quotas raw closing of cutting magnetic field as required; 15. output port 1 and 16. output ports 2; 17. output port 3 and 18. output ports 4; The completely closed generating of 19. output port 5 and 20. output ports 6 also produces inverse electromotive force simultaneously; Utilize inverse electromotive force can complete oneself and oppositely restrict braking brake, the size of inverse electromotive force can regulate arbitrarily.

The moment of torsion N m=9550* power/rotating speed of motor, i.e. torque T=9550*P/n, power P=T*n/9550.Torque unit is Nm(ox rice); P is specified (output) power unit of motor is kilowatt (KW); Rated speed n unit turns per minute (r/min).

Regulate the power output of 450VA excitation wire bag size of current=change 40 kilowatt motors=change 40 kilowatt motor inverse electromotive force size=change braking torques.

40 kilowatt motors: braking maximum consumption exciting power=450VA.

Reactive magnetron system features: excitation I size of current and magnetic field intensity electrodeless adjustable.

Structure of the present invention comprises: excitation wire bag, interior I-shaped magnetic conductor, output line bag, outer output 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, output port 1, output port 2 output port 3, output port 4, output port 5, output port 6 etc.

Exports that magnetic conductor and 14. reactive magnetron system lidesheng etc. are common to be formed internal control and to stop system without the three-phase magnetic that rubs outward by I-shaped magnetic conductor in 1. excitation wire bags and 2. and 3. output line bags and 4..

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. output line bag, and 3. output line bag produces alternating voltage by cutting magnetic line and exports through 15. output port 1 and 16. output ports 2 respectively; 17. output port 3 and 18. output ports 4; 19. output port 5 and 20. output ports 6 are completely closed produces inverse electromotive force energy, utilizes inverse electromotive force oppositely can realize the object of governing speed and braking by restricts rotor.

Accompanying drawing explanation

To be patent internal control of the present invention to stop system configuration schematic diagram without friction three-phase magnetic Fig. 1

In figure: 1. excitation wire bag, 2. I-shaped magnetic conductor in, 3. output line bag, 4. outside, export 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. output ports 1, 16. output ports 2, 17. output ports 3, 18. output ports 4, 19. output ports 5, 20. output ports 6.

Embodiment

Accompanying drawings is as follows

embodiment 1: one 40 kilowatts of alternating current machine: exciting voltage 90V; Electric current 5A, power=450VA.reactive magnetron system lidesheng only controls power 450VA load, and relative process structure is easy, cost is cheap, relative brake speed governing is stablized.

Structure of the present invention comprises: excitation wire bag, interior I-shaped magnetic conductor, output line bag, outer output 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, output port 1, output port 2 output port 3, output port 4, output port 5, output port 6 etc.

Exports that magnetic conductor and 14. reactive magnetron system lidesheng etc. are common to be formed internal control and to stop system without the three-phase magnetic that rubs outward by I-shaped magnetic conductor in 1. excitation wire bags and 2. and 3. output line bags and 4..

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. output line bag, and 3. output line bag produces alternating voltage by cutting magnetic line and exports through 15. output port 1 and 16. output ports 2 respectively; 17. output port 3 and 18. output ports 4; 19. output port 5 and 20. output ports 6 are completely closed produces inverse electromotive force energy, utilizes inverse electromotive force oppositely can realize the object of governing speed and braking by restricts rotor.

Claims (1)

1. to be stopped a system without friction three-phase magnetic by internal control, described in claim, it is characterized in that excitation wire bag, interior I-shaped magnetic conductor, output line bag, outer output 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, output port 1, output port 2 output port 3, output port 4, output port 5, output port 6 etc.;

Exports that magnetic conductor and 14. reactive magnetron system lidesheng etc. are common to be formed internal control and to stop system without the three-phase magnetic that rubs outward by I-shaped magnetic conductor in 1. excitation wire bags and 2. and 3. output line bags and 4.;

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. output line bag, and 3. output line bag produces alternating voltage by cutting magnetic line and exports through 15. output port 1 and 16. output ports 2 respectively; 17. output port 3 and 18. output ports 4; 19. output port 5 and 20. output ports 6 are completely closed produces inverse electromotive force energy, utilizes inverse electromotive force oppositely can realize the object of governing speed and braking by restricts rotor.