CN105375843A

CN105375843A - Bilaterally controlled friction-free three-phase magnetic brake system

Info

Publication number: CN105375843A
Application number: CN201510769297.2A
Authority: CN
Inventors: 李德生
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-11-12
Filing date: 2015-11-12
Publication date: 2016-03-02

Abstract

The invention creatively discloses a bilaterally controlled friction-free three-phase magnetic brake system, which comprises an active magnetic control system lidesheng, a control port 1 of the active magnetic control system lidesheng, a control port 2 of the an active magnetic control system lidesheng, a magnetic line direction 1, an S/N magnetic pole 1, an excitation solenoid 1, an output solenoid, a lateral H-shaped magnetizer 1, an N/S magnetic pole 2, a magnetic line direction 2, a rotor rotating direction 1, an output port 1, a control port 4 of the active magnetic control system lidesheng, a control port 3 of the active magnetic control system lidesheng, an output magnetizer 1, a magnetic line direction 3, an N/S magnetic pole 3, an excitation solenoid 2, a lateral H-shaped magnetizer 2, an S/N magnetic pole 4, a magnetic line direction 4, a rotor rotating direction 2, an output port 2, an output port 3, an output port 4, an output port 5, an output port 6 and the like.

Description

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

Technical field

The present invention relates to a kind of magnetic and the side control of multi-field purposes such as to stop without friction non-contact electromagnetic braking brake technology, particularly relate to a kind of I-shaped magnetic conductor of bilateral that utilizes 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 " bilateral 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 bilateral 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 bilateral 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; 12. output port 1 and 23. output ports 2; 24. output port 3 and 25. output ports 4; The completely closed generating of 26. output port 5 and 27. 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: reactive magnetron system lidesheng, reactive magnetron system lidesheng control port 1, reactive magnetron system lidesheng control port 2, magnetic line of force direction 1, S/N magnetic pole 1, excitation wire bag 1, output line bag, the I-shaped magnetic conductor 1 in side, N/S magnetic pole 2, magnetic line of force direction 2, rotor direction of rotation 1, output port 1, reactive magnetron system lidesheng control port 4, reactive magnetron system lidesheng control port 3, export magnetic conductor 1, magnetic line of force direction 3, N/S magnetic pole 3, excitation wire bag 2, the I-shaped magnetic conductor 2 in side, S/N magnetic pole 4, magnetic line of force direction 4, rotor direction of rotation 2, output port 2, output port 3, output port 4, output port 5, output port 6 etc.

Magnetic conductor and 18. excitation wire bag 2 and 19. side annular magnetizers 2 are exported by 6. excitation wire bag 1 and 2. side annular magnetizer 1 and 7. output line bags and 15.

And two side control type such as common composition such as 14. reactive magnetron system lidesheng etc. to be stopped system without friction three-phase magnetic.

One group of 1. built-in control information parallel connection one group of reactive magnetron system lidesheng is exported through 2. reactive magnetron system lidesheng control port 1 and 3. reactive magnetron system lidesheng control ports 2 respectively and is powered by 6. excitation wire bags 1.

6. excitation wire bag 1 electric generation N/S variable have polarity magnetic field, what 6. excitation wire bag 1 produced variable has polarity magnetic field and rotor synchronous cutting 7. output line bag, and 7. output line bag produces closed magnetic field formation inverse electromotive force energy by cutting magnetic line; Because of 12. output port 1 and 23. output ports 2; 24. output port 3 and 25. output ports 4; 26. output port 5 and 27. output ports 6 are normal closure state.

Two group of 1. built-in control information of reactive magnetron system lidesheng di-group export through 13. reactive magnetron system lidesheng control port 4 and 14. reactive magnetron system lidesheng control ports 3 is respectively powered by 18. excitation wire bags 2;

18. excitation wire bags 2 electric generation N/S variable have polarity magnetic field, what 18. excitation wire bags 2 produced variable has polarity magnetic field and rotor synchronous cutting 7. output line bag, and 7. output line bag produces closed magnetic field formation inverse electromotive force energy by cutting magnetic line; Because of 12. output port 1 and 23. output ports 2; 24. output port 3 and 25. output ports 4; 26. output port 5 and 27. output ports 6 are normal closure state.

The present invention utilizes inverse electromotive force oppositely can realize the object of governing speed and braking by restricts rotor.

Accompanying drawing explanation

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

Fig. 2 is that patent bilateral of the present invention control opens floor map without the friction three-phase magnetic system of stopping

In figure: 1. reactive magnetron system lidesheng, 2. reactive magnetron system lidesheng control port 1, 3. reactive magnetron system lidesheng control port 2, 4. magnetic line of force direction 1, 5.S/N magnetic pole 1, 6. excitation wire bag 1, 7. output line bag, 8. the I-shaped magnetic conductor 1 in side, 9.N/S magnetic pole 2, 10. magnetic line of force direction 2, 11. rotor direction of rotation 1, 12. output ports 1, 13. reactive magnetron system lidesheng control ports 4, 14. reactive magnetron system lidesheng control ports 3, 15. export magnetic conductor 1, 16. magnetic line of force directions 3, 17.N/S magnetic pole 3, 18. excitation wire bags 2, the 19. I-shaped magnetic conductors 2 in side, 20.S/N magnetic pole 4, 21. magnetic line of force directions 4, 22. rotor direction of rotation 2, 23. output ports 2, 24. output ports 3, 25. output ports 4, 26. output ports 5, 27. 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.

Claims

1. to be stopped system without friction three-phase magnetic by bilateral control for one kind, reactive magnetron system lidesheng is it is characterized in that described in claim, reactive magnetron system lidesheng control port 1, reactive magnetron system lidesheng control port 2, magnetic line of force direction 1, S/N magnetic pole 1, excitation wire bag 1, output line bag, the I-shaped magnetic conductor 1 in side, N/S magnetic pole 2, magnetic line of force direction 2, rotor direction of rotation 1, output port 1, reactive magnetron system lidesheng control port 4, reactive magnetron system lidesheng control port 3, export magnetic conductor 1, magnetic line of force direction 3, N/S magnetic pole 3, excitation wire bag 2, the I-shaped magnetic conductor 2 in side, S/N magnetic pole 4, magnetic line of force direction 4, rotor direction of rotation 2, output port 2, output port 3, output port 4, output port 5, output port 6 etc.,

Export magnetic conductor and 18. excitation wire bag 2 and 19. side annular magnetizer 2 and 14. reactive magnetron system lidesheng etc. by 6. excitation wire bag 1 and 2. side annular magnetizer 1 and 7. output line bags and 15. jointly form pair side control type and to stop system without the three-phase magnetic that rubs;

One group of 1. built-in control information parallel connection one group of reactive magnetron system lidesheng is exported through 2. reactive magnetron system lidesheng control port 1 and 3. reactive magnetron system lidesheng control ports 2 respectively and is powered by 6. excitation wire bags 1;

6. excitation wire bag 1 electric generation N/S variable have polarity magnetic field, what 6. excitation wire bag 1 produced variable has polarity magnetic field and rotor synchronous cutting 7. output line bag, and 7. output line bag produces closed magnetic field formation inverse electromotive force energy by cutting magnetic line; Because of 12. output port 1 and 23. output ports 2; 24. output port 3 and 25. output ports 4; 26. output port 5 and 27. output ports 6 are normal closure state;

18. excitation wire bags 2 electric generation N/S variable have polarity magnetic field, what 18. excitation wire bags 2 produced variable has polarity magnetic field and rotor synchronous cutting 7. output line bag, and 7. output line bag produces closed magnetic field formation inverse electromotive force energy by cutting magnetic line; Because of 12. output port 1 and 23. output ports 2; 24. output port 3 and 25. output ports 4; 26. output port 5 and 27. output ports 6 are normal closure state;