CN102367141A - Outer rotor switch magnetic resistance action drive device - Google Patents

Outer rotor switch magnetic resistance action drive device Download PDF

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Publication number
CN102367141A
CN102367141A CN2011103176026A CN201110317602A CN102367141A CN 102367141 A CN102367141 A CN 102367141A CN 2011103176026 A CN2011103176026 A CN 2011103176026A CN 201110317602 A CN201110317602 A CN 201110317602A CN 102367141 A CN102367141 A CN 102367141A
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CN
China
Prior art keywords
rotor
stator
magnetic resistance
switch magnetic
core
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Application number
CN2011103176026A
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Chinese (zh)
Inventor
张飞
李振才
杨永庆
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沈阳博林特电梯股份有限公司
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Application filed by 沈阳博林特电梯股份有限公司 filed Critical 沈阳博林特电梯股份有限公司
Priority to CN2011103176026A priority Critical patent/CN102367141A/en
Publication of CN102367141A publication Critical patent/CN102367141A/en

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Abstract

The invention discloses an outer rotor switch magnetic resistance action drive device, solving the problems of influenced operation effect of a traction machine, and the like in the prior art. The outer rotor switch magnetic resistance action drive device comprises a traction drive device driven by adopting a switch magnetic resistance speed reduction motor, a brake and a rotor position sensor. The outer rotor switch magnetic resistance action drive device is technically characterized in that a rotor of the switch magnetic resistance speed reduction motor comprises a rotor iron core and a rotor bracket fixed on a main shaft and is assembled outside a stator, the stator comprises a base and a stator iron core with a winding, the stator and the rotor iron core are made by overlapping and pressing thin permeability materials; a rotor inner ring is provided with 24 poles formed by 24 grooves; a stator outer ring is provided with 18 poles formed by 18 grooves, a centralized coil is wound on each pole of the stator, 18 coils form a three-phase stator winding jointly; and the stator and the rotor form a dual-salient pole structure. The outer rotor switch magnetic resistance action drive device has a compact structure and reasonable design, and has the advantages of easiness in production and manufacture, simple process, low cost, small volume, free of maintenance and simpleness in control compared with a permanent magnetic outer rotor synchronization traction machine.

Description

Outer rotor switched magnetic resistance traction actuating device
Technical field
The present invention relates to a kind of elevator traction actuating device, particularly a kind of outer rotor switched magnetic resistance traction actuating device that is applicable to that no machine room and small room elevator traction drive.This device can be applied to all occasions that need the low-speed direct driving operation.
Background technology
All the time, the worm and gear towing machine is because have characteristics such as transmitting ratio is big, stable drive, the consistent first-selection that is known as elevator drive mechanism of quilt in elevator industry.Development along with urban construction; The emergence of more and more skyscrapers; People have higher requirement to the specifications and characteristics of lift product, and force urges the has been arranged technical development of lift facility is so constantly pour into market such as new products such as machine-roomless lift, small room elevators.In order to satisfy the supporting demand of these new products, must have characteristics such as volume is littler, efficient energy-saving, low speed high torque as the drive configuration of elevator propulsion source.And traditional worm and gear towing machine generally adopts high-speed electric expreess locomotive to drive worm reduction box, and gives traction sheave transmission of torque, and the worm reduction box noise is big, mechanical efficiency is low, volume is big, but also needs the intermittent oiling maintenance, is unfavorable for energy-conserving and environment-protective.In recent years, gearless permanent-magnet synchronous traction machine had obtained practical application as technology advanced in the world, and it has structurally cancelled worm reduction box; Be electromechanical; Especially with after vector control technology combines, it is had by the characteristic of low speed to the permanent torque output of high speed, can satisfy the requirement of elevator drive; Improved the driving efficiency of system greatly; Reduce the entire system volume, and make driving system, become elevator traction machine of new generation improving aspect the operations such as vibration, noise and low-speed stability.Existing most of at present gearless permanent-magnet synchronous traction machine replaces the worm and gear towing machine.
Through retrieval; The document of relevant in recent years direct drive outer rotor synchro traction machine has: Chinese patent number is in the technical scheme of 01113256.6 " direct drive synchronous dragger with Nd-Fe-B permanent magnetic rotor "; A kind of multipole outer-rotor structure is disclosed; The yoke of outer rotor is both as the magnetic circuit that is configured to motor of salient pole magnet steel, also as the fixed support of traction sheave, simultaneously when outage outer rotor also directly as brake wheel.The salient pole magnet steel that the inside face of outer rotor mounts adopts performance-oriented Nd-Fe-Bo permanent magnet material.Its advantage is structurally to have cancelled heavy wheel word, makes it compact conformation, realizes direct drive, has satisfied the new demand of modem elevator.The weak point of its existence is:
1, direct drive outer rotor synchro traction machine can not eliminate that permanent-magnet material demagnetizes in the complete machine operational process, magnet loss phenomenon under the condition of high temperature, in case above-mentioned situation takes place, very easily causes driving, brings injury in various degree for the elevator ride personnel.
2, the outer rotor inside face is installed performance-oriented permanent-magnet material, because permanent-magnet material itself has magnetic force, need overcome the effect of magnetive attraction in the installation process; Even if the back is installed permanent-magnet material is magnetized, can avoid magnetive attraction mutual action phenomenon in the installation process, but need special-purpose magnetizing equipment.
3, adopt the fixedly method of permanent-magnet material of surface mount mode, because the existence of related components machining tolerance can cause permanent-magnet material structurally can not accomplish to be uniformly distributed with fully, promptly rotor magnetic pole is not uniformly distributed with, and finally influences the operational effect of towing machine.
4, permanent-magnet material belongs to rare earth resources, and its cost of raw material grows with each passing day at present, thereby causes the complete machine productive costs increasingly high.
5, the control system cost that matches is higher relatively.
In recent years, the application of switched reluctance machines and development have obtained tangible progress, successfully are applied to fields such as battery-driven car driving, universal industrial, household electrical appliance and textile machine, and power range is from 10W to 5MW, and maximum speed is up to 100000 r/min.But because there is the deficiency of aspects such as torque pulsation is big, noise is big in it; So elevator traction transmission relatively, there is certain difference in the requirement aspect drive abilities such as vibration, noise and low-speed stability; Therefore, the structure of existing switched reluctance machines can't directly apply to the elevator traction transmission.
Summary of the invention
The purpose of this invention is to provide a kind of outer rotor switched magnetic resistance traction actuating device; Solved permanent-magnet material easy demagnetization, loss of excitation under the condition of high temperature that prior art exists, cost is high, influences the problems such as operational effect of towing machine; Its compact conformation, reasonable in design; The switched reluctance machines starting torque is big, efficient is high except that keeping, operate steadily, the safe and reliable advantage, compare no permanent magnet with the permanent-magnetic outer rotor synchro traction machine; Have manufacture easily, technology is simple, cost is low, volume is little, non-maintaining, control characteristic of simple.
The technical scheme that the present invention adopted is: this outer rotor switched magnetic resistance traction actuating device comprises traction actuating device, drg and the rotor-position sensor that adopts switched reluctance variable speed machine to drive, and its technical essential is: said switched reluctance variable speed machine by rotor core be fixed on the rotor set that the rotor field spider on the main shaft forms and be contained in the stator outside; Rotor core is overrided to form by slim permeability magnetic material, and the rotor inner ring is provided with 24 utmost points that 24 grooves form; Rotor field spider is simultaneously as brake wheel, and periphery has, and traction sheave protruding, groove is fixed on the rotor field spider, and support is formed stator with the stator core of band winding, and stator, rotor pass through bearings; Stator core is overrided to form by slim permeability magnetic material, and the stator outer ring is provided with 18 utmost points that 18 grooves form, and each of stator is wound with centralized coil on extremely, and 18 coils are formed the threephase stator winding jointly; Stator and rotor constitute the biconvex electrode structure; The rotor-position sensor of realizing rotor position detection is assembled in spindle nose.
The said stator core that is overrided to form by slim permeability magnetic material adopts the straight trough structure.
The said rotor core that is overrided to form by slim permeability magnetic material adopts flume structure, and the skewed slot scope is 0.5 ~ 1.5 rotor pole.
Advantage and good effect that the present invention has are: because the present invention adopts outer rotor switched magneto resistance speed-regulating motor to drive as main; Stator, rotor core are overrided to form by slim permeability magnetic material; Stator and rotor constitute the biconvex electrode structure, are magnetic resistance character so made full use of the torque that outer rotor switched magneto resistance speed-regulating motor had." magnetic resistance minimum principle " followed in its operation in principle, and promptly magnetic flux is always closed along the minimum path of magnetic resistance, because of the magnetic field distortion produces the tangential magnetic pull.Therefore, when rotor with salient pole and stator salient poles dislocation, air gap is big, magnetic resistance is big; In case the energising of magnetic pole of the stator winding will form the protruding magnetic pull of rotor, and air gap is diminished---the magnetic circuit magnetic resistance diminishes.Meanwhile, with the power-up sequence of driving switch, can form continuous rotating moment by certain logical relation switching magnetic pole of the stator winding.Compare with the permanent-magnetic outer rotor synchro traction machine; No permanent magnet; Have manufacture easily, technology is simple, cost is low, volume is little, non-maintaining, control characteristic of simple, has solved the permanent-magnet material that prior art exists and under the condition of high temperature, has been prone to demagnetization, loss of excitation; Cost is high, influences the problems such as operational effect of towing machine.Because of the rotor field spider of outer rotor simultaneously as brake wheel, traction sheave is fixed on the rotor field spider of outer rotor; Protruding, groove on the traction sheave both can drive hoist ropes, also can drive drawing belt, so its compact conformation, reasonable in design has kept that the switched reluctance machines starting torque is big, efficient is high, operates steadily, safe and reliable advantage.The speed-regulating function of outer rotor switched magneto resistance speed-regulating motor cooperates realization jointly by rotor-position sensor, power inverter and controller.Wherein, rotor-position sensor is realized the rotor position detection function, is installed on spindle nose.Through changing the power-up sequence of threephase stator winding, drive the running of drag device forward and backward, thereby realize the lift car uplink and downlink.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described.
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the lateral plan of Fig. 1;
Fig. 3 is the structural representation of second kind of brake mode;
Fig. 4 is stator of the present invention, rotor punching structural representation;
Fig. 5 is outer rotor switched magneto resistance speed-regulating machine operation principle sketch.
Sequence number explanation among the figure: 1 stator core, 2 supports, 3 rotor cores, 4 rotor field spiders, two magnet stopper, 6 traction sheaves, 7 bearings, 8 rotor-position sensors, 9 main shafts, 10 brake control levers, 11 screws, 12 brake blocks, 13 springs, 14 bolts, 15 square magnet stoppers, 16 armature, 17 brake blocks, 18 supports, 19 rotor punchings, 20 stator punchings of pushing away of 5 drum-types.
The specific embodiment
Specify concrete structure of the present invention and principle of work according to Fig. 1~5.This outer rotor switched magnetic resistance traction actuating device comprises parts such as adopting the motor-driven traction actuating device of outer rotor switched magneto resistance speed-regulating, drg and rotor-position sensor 8.The structure of wherein outer rotor switched magneto resistance speed-regulating motor is following: by rotor core 3 be fixed on the rotor set that the rotor field spider 4 on the main shaft 9 forms and be contained in the stator outside.Rotor core 3 is overrided to form by slim permeability magnetic material, and rotor core 3 adopts flume structure, and the skewed slot scope is 0.5 ~ 1.5 rotor pole, to weaken torque pulsation, reduces noise.The rotor inner ring is provided with 24 utmost points that 24 grooves form; Rotor field spider 4 is simultaneously as brake wheel, has traction sheave 6 protruding, groove to be fixed on the rotor field spider 4 through screw 11 by the periphery of spheroidal graphite iron manufacturing.Support 2 is formed stator with the stator core that assembles the band winding in support 2 through key, between the stator core 1 of being with winding and support 2, is rotor, and stator, rotor support through bearing 7, guarantees that gap and running are steady.Stator core 1 is overrided to form by slim permeability magnetic material, and stator core 1 adopts the straight trough structure, and stator adopts concentrates winding construction.The stator outer ring is provided with 18 utmost points that 18 grooves form, and each of stator is wound with centralized coil on extremely, and 18 coils are formed the threephase stator winding jointly.Stator and rotor constitute the biconvex electrode structure.Realize that the rotor-position sensor 8 of rotor position detection is assembled in the end of main shaft 9, be connected with control system, realize the rotor position detection function through cable.
The drum-type of the first kind of brake mode that adopts in the present embodiment is two to be pushed away magnet stopper 5 and is installed between two brake control levers 10 of support 2 tops.Be respectively arranged with the brake control lever 10 that has brake block 12 in the both sides of support 2; Push away under magnet stopper 5 power failure states in that drum-type is two; Effect through spring 13 pressure contacts on the braking wheel face of rotor field spider 4 brake block 12 on the brake control lever 10 identically, constitutes the failure-free brake system.
The structure of the second kind of brake mode that adopts in the present embodiment is as shown in Figure 3; Wherein two square magnet stoppers 15 are fixed in support 18 both sides through bolt 14; Under square magnet stopper 15 power failure states; Contact on the braking wheel face of rotor field spider 4 through being installed in the effect of square magnet stopper 15 in-to-in spring pressures, making the brake block 17 that is fixed as one with armature 16 identically, constitute the failure-free brake system.
The stator that the present invention adopts, the structure of rotor punching are as shown in Figure 4.Wherein 19 is rotor punching, and 20 is stator punching.
Outer rotor switched magneto resistance speed-regulating machine operation principle is as shown in Figure 5, with the power-up sequence of driving switch by certain logical relation switching magnetic pole of the stator winding, can form continuous rotating moment.If order is given A1-A2-B1-B2-C1-C2-A1 ... Phase winding energising V, rotor promptly can rotate with anticlockwise direction against the excitation order continuously.Otherwise, be A1-A2-C1-C2-B1-B2-A1 if change phase winding energising phase sequence ..., rotor is rotated in a clockwise direction.If change the size of phase current I, then can change the size of motor torque, and then can change motor speed.If when rotor pole leaves stator poles, switch on, the electromagnetic torque that is produced is opposite with the rotor hand of rotation, is braking torque.Hence one can see that, changes the mode of operation of the power-up sequence of phase winding, the size of phase current etc. simply through controller, just can change mode of operations such as the turning to of electrical motor, torque, rotating speed, braking.Thereby realize driving the running of drag device forward and backward, realize the lift car uplink and downlink.

Claims (3)

1. outer rotor switched magnetic resistance traction actuating device; Comprise the traction actuating device, drg and the rotor-position sensor that adopt switched reluctance variable speed machine to drive, it is characterized in that: said switched reluctance variable speed machine by rotor core be fixed on the rotor set that the rotor field spider on the main shaft forms and be contained in the stator outside; Rotor core is overrided to form by slim permeability magnetic material, and the rotor inner ring is provided with 24 utmost points that 24 grooves form; Rotor field spider is simultaneously as brake wheel, and periphery has, and traction sheave protruding, groove is fixed on the rotor field spider, and support is formed stator with the stator core of band winding, and stator, rotor pass through bearings; Stator core is overrided to form by slim permeability magnetic material, and the stator outer ring is provided with 18 utmost points that 18 grooves form, and each of stator is wound with centralized coil on extremely, and 18 coils are formed the threephase stator winding jointly; Stator and rotor constitute the biconvex electrode structure; The rotor-position sensor of realizing rotor position detection is assembled in spindle nose.
2. a kind of outer rotor switched magnetic resistance traction actuating device according to claim 1 is characterized in that: the said stator core that is overrided to form by slim permeability magnetic material adopts the straight trough structure.
3. a kind of outer rotor switched magnetic resistance traction actuating device according to claim 1 is characterized in that: the said rotor core that is overrided to form by slim permeability magnetic material adopts flume structure, and the skewed slot scope is 0.5 ~ 1.5 rotor pole.
CN2011103176026A 2011-10-19 2011-10-19 Outer rotor switch magnetic resistance action drive device CN102367141A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102602782A (en) * 2012-03-15 2012-07-25 浙江西子富沃德电机有限公司 Switched reluctance type gearless tractor
CN103457430A (en) * 2013-08-28 2013-12-18 日立电梯电机(广州)有限公司 Outer rotor permanent magnetic synchronous magnetic resistance type traction driving device
CN104150330A (en) * 2014-07-28 2014-11-19 苏州发源地科技发展有限公司 Magnetic-resistance type toothless elevator traction machine
CN107070153A (en) * 2017-04-10 2017-08-18 快意电梯股份有限公司 Twin coil permanent magnetic synchronous traction machine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101009450A (en) * 2007-01-11 2007-08-01 中国矿业大学 A three-phase external rotor switch magnetic resistance motor
CN101071792A (en) * 2006-05-12 2007-11-14 旺宏电子股份有限公司 Method of manufacturing a flash memory device
US20090101449A1 (en) * 2006-03-16 2009-04-23 Olaf Breidenstein Elevator Drive
JP2010011637A (en) * 2008-06-27 2010-01-14 Hitachi Ltd Permanent magnet rotary electric machine and elevator winding machine using the same
CN102161455A (en) * 2011-02-28 2011-08-24 沈阳博林特电梯股份有限公司 Gearless permanent-magnet synchronous driving motor used for escalator
CN202261134U (en) * 2011-10-19 2012-05-30 沈阳博林特电梯股份有限公司 Outer rotor switch magnetic-resistance traction drive unit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090101449A1 (en) * 2006-03-16 2009-04-23 Olaf Breidenstein Elevator Drive
CN101071792A (en) * 2006-05-12 2007-11-14 旺宏电子股份有限公司 Method of manufacturing a flash memory device
CN101009450A (en) * 2007-01-11 2007-08-01 中国矿业大学 A three-phase external rotor switch magnetic resistance motor
JP2010011637A (en) * 2008-06-27 2010-01-14 Hitachi Ltd Permanent magnet rotary electric machine and elevator winding machine using the same
CN102161455A (en) * 2011-02-28 2011-08-24 沈阳博林特电梯股份有限公司 Gearless permanent-magnet synchronous driving motor used for escalator
CN202261134U (en) * 2011-10-19 2012-05-30 沈阳博林特电梯股份有限公司 Outer rotor switch magnetic-resistance traction drive unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102602782A (en) * 2012-03-15 2012-07-25 浙江西子富沃德电机有限公司 Switched reluctance type gearless tractor
CN103457430A (en) * 2013-08-28 2013-12-18 日立电梯电机(广州)有限公司 Outer rotor permanent magnetic synchronous magnetic resistance type traction driving device
CN104150330A (en) * 2014-07-28 2014-11-19 苏州发源地科技发展有限公司 Magnetic-resistance type toothless elevator traction machine
CN107070153A (en) * 2017-04-10 2017-08-18 快意电梯股份有限公司 Twin coil permanent magnetic synchronous traction machine

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Application publication date: 20120307