CN206595796U - Spliced rotor permanent magnet synchronous motor - Google Patents

Spliced rotor permanent magnet synchronous motor Download PDF

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Publication number
CN206595796U
CN206595796U CN201720221150.4U CN201720221150U CN206595796U CN 206595796 U CN206595796 U CN 206595796U CN 201720221150 U CN201720221150 U CN 201720221150U CN 206595796 U CN206595796 U CN 206595796U
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CN
China
Prior art keywords
rotor
permanent magnet
water cooling
stator
cooling casing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720221150.4U
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Chinese (zh)
Inventor
赵颖
刘立国
胡胜雨
王皓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenyang Yuanda New Energy Co., Ltd.
Original Assignee
SHENYANG YUANDA TECHNOLOGY ELECTRIC WORKS Co Ltd
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Publication date
Application filed by SHENYANG YUANDA TECHNOLOGY ELECTRIC WORKS Co Ltd filed Critical SHENYANG YUANDA TECHNOLOGY ELECTRIC WORKS Co Ltd
Priority to CN201720221150.4U priority Critical patent/CN206595796U/en
Application granted granted Critical
Publication of CN206595796U publication Critical patent/CN206595796U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of spliced rotor permanent magnet synchronous motor, complicated, inefficiency, the noise for solving prior art presence is big, the problems such as temperature rise.Including water cooling casing, stator, rotor and encoder, it is characterized in that:Rotor uses sectionally smooth join formula structure, and the drive end semiaxis and driven end semiaxis of rotating shaft are interconnected and fixed by transfer panel with tubular rotor core respectively, and the permanent magnet of rotor core periphery is utilized to assemble every magnetic stripe and fixed;The bearing assembly being connected on left and right end cap supports drive end semiaxis and driven end semiaxis respectively, cooling-water duct is provided with the barrel of water cooling casing, heat-conducting glue is filled up in the space of gap and stator core, stator winding respectively between end cap and water cooling casing between the stator winding being assembled in water cooling casing respectively.Its is reasonable in design, compact conformation, small volume, is easily installed, safeguards, single-machine capacity is big, noise is low, and low rotation speed large torque output can be achieved, effectively reduces energy consumption, transmission efficiency is improved comprehensively.

Description

Spliced rotor permanent magnet synchronous motor
Technical field
The utility model is related to a kind of triphase AC synchronous permanent-magnet motor machine, particularly a kind of to be both suitable to vertical installation, The spliced rotor permanent magnet synchronous motor that low rotation speed large torque is directly exported is realized available for horizontally-mounted.
Background technology
With the constantly improve of permanent magnet motor technology and developing rapidly for permanent magnet material industry, with direct drive permanent magnetism Synchronous motor substitutes the kind of drive of threephase asynchronous and its supporting reducing gear, by increasing popularization and application, Especially it is embodied in the transmission system for needing low-speed big to export.Being used the overall structure of existing permanent magnet motor and original three more Phase asynchronous motor identical structure type, the wherein structural change of the part such as casing, end cap, cooler less, usually will The conductor material of former asynchronous motor cage rotor changes permanent magnet into, and silicon steel plate stacking rotor core changes solid or stent-type into Iron core, when motor single-machine capacity increase when, motor volume and weight it is corresponding the need for increase more, be limited to this, install Mode is also generally horizontal installs.
Such as " triphase synchronous motor " that notification number is CN204761262U, disclosed technical scheme includes housing, It is equipped with housing in rotating shaft, rotating shaft and is arranged with rotor, stator is equipped with rotor, stator is connected on housing, rotating shaft two ends Each extend to outside housing, rotating shaft one end is connected with the fan for radiating, fan side is provided with the fan housing for being fixed on housing, housing On be additionally provided with radiating rib plate.It mainly applies to air compressor machine industry, and when electromotor series are larger, rotating speed is relatively low, single-machine capacity Need but it is larger when, that is, be effective controlled motor temperature rise, it has to increase the copper and iron of motor when needing the low speed high torque to export Materials and cost.
In notification number in CN205544737U " a kind of permasyn morot ", disclosed basic structure includes electronic Casing body, stator core, stator winding, rotor core, permanent magnet and main shaft;The rotor core being fixedly connected with permanent magnet It is fixed on main shaft, main shaft is fixed on motor field frame by bearing;Motor field frame body is provided with cooling line, electronic One end of casing body is provided with cooling liquid inlet, and the other end of motor field frame is provided with cooling liquid outlet, cooling liquid inlet and cooling Liquid outlet is connected with cooling line.Although said structure can ensure the radiating effect of permasyn morot, improve forever The service life of magnetic-synchro motor, still, because cooling line area of dissipation is small, cooling water flow is smaller, therefore to a certain extent Influence its radiating effect.
Recorded according to notification number for CN205407472U " a kind of high-power permanent magnet synchronous motor ", its structure mainly includes Support, stator, rotating shaft and p-m rotor, support are round buss formula structure, and two ends are interior to be provided with water annulus by end cap seal, Support two ends are respectively equipped with the intake-outlet communicated with water annulus, and support upper end is provided with semiconductor cooling device and temperature control Device.It is using water cooling and the Compound cooling mode of semiconductor refrigerating, although can realize the quick purpose for reducing temperature, but It is its structure and control system or complex compared with similar motor.
Also notification number is CN204794615U " high power density water cooling automobile permanent magnet synchronous motor ", and the machine includes Water-cooled housing, stator, rotor, rotating shaft, flange end cap, encoder, thermal paste;Motor periphery is water-cooled housing, close to water Cooled case inwall is provided with stator, and rotating shaft is set by the bearings being fixed on the end cap axle bed of housing both sides on end cap There is encoder, embedded rotor is provided with tangential magnetic circuit and radial magnetic circuit magnet steel groove, is provided with thermal paste in stator end, uses thermal paste Stator coil end is encased instead of dipping lacquer and with thermal paste.Its water-cooled housing uses circle shaped tube type cooling duct, equally exists scattered Hot area is small, cooling water flow is small and it is complicated the problem of.
And the rotating shaft of motor described in above-mentioned patent is conventional monoblock type solid step axle, so the entirety of motor Weight is larger, and during if necessary to vertical installation, will be limited by motor volume or weight can not realize.
Utility model content
The utility model purpose is to provide a kind of spliced rotor permanent magnet synchronous motor, solves existing low speed high torque Threephase asynchronous is complicated in drive system, inefficiency, noise are big, and permasyn morot volume is big, temperature rise High the problems such as.Its is reasonable in design, compact conformation, small volume, is easily installed, safeguards, single-machine capacity is big, noise is low, can be achieved low Rotating speed high pulling torque is exported, and effectively reduces energy consumption, transmission efficiency is improved comprehensively.
The technical scheme that the utility model is used is:The spliced rotor permanent magnet synchronous motor is included with left and right Water cooling casing, the stator being assembled in water cooling casing, rotor and the encoder of end cap, are characterized in that:Pass through bearing group The rotor that part is supported on left and right end cap uses sectionally smooth join formula structure, the drive end semiaxis and driven end semiaxis of rotating shaft Together with being interconnected and fixed respectively with hollow tubular rotor core by the transfer panel with off-load hole, it is arranged in outside rotor core The tile shape permanent magnet in week is utilized to assemble every magnetic stripe and fixed;The bearing assembly being assembled in by fastener on left and right end cap is distinguished It is axially disposed in the drive end semiaxis and driven end semiaxis of support rotating shaft, the barrel of tubular water cooling casing to there is cross section to be kidney-shaped Cooling-water duct, stator winding is wrapped in the inserting slot for the stator core being overrided to form by electrical sheet, is assembled in water cooling The space of gap and stator core, stator winding respectively between end cap and water cooling casing between stator winding in casing Heat-conducting glue is filled up respectively.
The tile shape permanent magnet for being arranged in rotor core periphery is fixed with bonding agent, is fixed using by sunk screw Every magnetic stripe isolate assemble, then reinforced respectively with pressing plate at the two ends of rotor core.
The encoder is assembled in the end of the driven end semiaxis of rotating shaft.
The good effect that the utility model has is:Because rotor of the present utility model uses sectionally smooth join formula structure, turn The drive end semiaxis and driven end semiaxis of axle are connected with each other by the transfer panel with off-load hole and hollow tubular rotor core respectively It is fixed together, it is axially disposed in the barrel of water cooling casing to have between the cooling-water duct that cross section is kidney-shaped, stator winding Gap and stator core, stator winding space respectively between end cap and water cooling casing fill up the radiating such as heat-conducting glue respectively Measure, the tile shape permanent magnet for being arranged in rotor core periphery is utilized every magnetic stripe assembling fixation, so its is reasonable in design, structure is tight Gather, small volume, be easily installed, safeguard;Because the machine both can effectively control temperature rise, motor can be made to be equipped with frequency converter control again System, the motor as a kind of startup of variable ratio frequency changer and speed governing, therefore motor speed can be with step-down so that motor single-machine capacity increases Greatly, lower noise.Rotating shaft directly can be connected with load, without shaft coupling, save the reducing gears such as reductor or gear-box, can be real Existing low rotation speed large torque output, effectively reduces energy consumption, transmission efficiency is improved comprehensively, while more saving cost.Therefore, this practicality It is new fundamentally solve complicated threephase asynchronous in existing low speed high torque drive system, inefficiency, Noise is big, permasyn morot volume is big, temperature rise the problems such as.
Brief description of the drawings
The utility model is further described below in conjunction with accompanying drawing.
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is a kind of structural representation of sectionally smooth join formula rotor in Fig. 1;
Fig. 3 is stator, the cross-sectional structure schematic diagram of rotor being assembled in Fig. 1 in water cooling casing.
Number explanation in figure:1 bearing assembly, 2 left end caps, 3 heat-conducting glues, 4 stator winding, 5 water cooling casings, 6 stator cores, 7 rotors, 8 terminal boxes, 9 right end caps, 10 encoders, 11 drive end semiaxis, 12 fasteners, 13 pressing plates, 14 transfer panels, 15 rotors Iron core, 16 sunk screws, 17 permanent magnets, 18 are every magnetic stripe, 19 driven end semiaxis.
Embodiment
Concrete structure of the present utility model is described in detail according to Fig. 1~3.The peace of the spliced rotor permanent magnet synchronous motor Dress pattern can be vertical or horizontal installation, during for Direct Driving System, can directly substitute in low-speed big transmission system Three-phase AC asynchronous motor and its reducing gear such as supporting reductor or gear-box.It is effective because single-machine capacity is larger Temperature rise is controlled, using water cooling mode.It includes with left end cap 2, the water cooling casing 5 of right end cap 9, is assembled in water cooling casing 5 The parts such as interior stator, rotor 7 and encoder 10.Wherein water cooling casing 5 is the support member of motor, is cast using by grey mouth It is axially disposed in iron or the tubular casting of cast aluminium casting, the barrel of tubular water cooling casing 5 to there is cross section to be mounting hole Sufficient amount of cooling-water duct, to increase area of dissipation.Tapped through hole is reserved with the machined surface of both ends, is respectively used to install Left and right end cap 2,9.
Stator is made up of parts such as stator core 6, stator winding 4 and cramps.Stator winding 4 is wrapped in be laminated by electrical sheet Stator core 6 inserting slot in.Stator core 6 uses 0.35mm the or 0.5mm electrical sheets of stack-press assembly.It is assembled in The mutual gap of stator winding 4 in water cooling casing 5, and stator winding 4 respectively with left and right end cap 2,9 and water cooling casing 5 Between larger space, stator core 6 and water cooling casing 5 between smaller space, heat-conducting glue is filled up respectively, it is therefore an objective to increasing lead Hot coefficient, strengthens radiating effect.Suitable heat-conducting glue can be selected according to the need for motor actual capacity and heat dissipation capacity.
In order to contribute to mitigate main screw lift, rotor 7 use sectionally smooth join formula structure, by drive end semiaxis 11, pressing plate 13, Transfer panel 14, rotor core 15, permanent magnet 17, every the part such as magnetic stripe 18 and driven end semiaxis 19 composition.The drive end semiaxis of rotating shaft 11 and driven end semiaxis 19 be respectively supported at by bearing assembly 1 on left and right end cap 2,9.The drive end semiaxis 11 of rotating shaft can be with Load is directly connected, and centre need not another standby shaft joint.Rotor core 15 processes integrated hollow cylinder shape using high-quality steel. Tile shape, the inner circumferential of tile and the geomery kissing of the periphery of rotor core 15 is made using rare earth permanent-magnetic material in permanent magnet 17 Close.14 transfer panels are processed using quality steel plate, and the off-load hole of approximate trapezoid is processed above.The drive end semiaxis 11 of rotating shaft It is interconnected and fixed respectively by the rotor core 15 of the transfer panel 14 with off-load hole and hollow tubular with driven end semiaxis 19 Together.The tile shape permanent magnet 17 for being arranged in the periphery of rotor core 15 assembles fixation using every magnetic stripe 18.
For ease of installing, safeguarding, bearing assembly 1 is connected on left and right end cap 2,9 by the fasteners such as bolt, packing ring 12; The tile shape permanent magnet 17 for being arranged in the periphery of rotor core 15 is fixed with bonding agent;It is fixed on every magnetic stripe 18 by sunk screw 16 On rotor core 15, permanent magnet 17 carries out isolation assembling using every magnetic stripe 18, then at the two ends of rotor core 15 respectively with pressure Plate 13 is reinforced.Encoder 10 is assembled in the end of the driven end semiaxis 19 of rotating shaft.

Claims (3)

1. a kind of spliced rotor permanent magnet synchronous motor, including the water cooling casing with left and right end cap, it is assembled in water cooling casing Interior stator, rotor and encoder, it is characterised in that:The rotor being supported on by bearing assembly on left and right end cap is adopted With sectionally smooth join formula structure, the drive end semiaxis and driven end semiaxis of rotating shaft pass through transfer panel and hollow cylinder with off-load hole respectively Shape rotor core is interconnected and fixed together, and the tile shape permanent magnet for being arranged in rotor core periphery utilizes solid every magnetic stripe assembling It is fixed;The bearing assembly being connected to by fastener on left and right end cap supports the drive end semiaxis and driven end semiaxis of rotating shaft respectively, Axially disposed in the barrel of tubular water cooling casing to have the cooling-water duct that cross section is mounting hole, stator winding is wrapped in by electricity In the inserting slot for the stator core that work steel disc is overrided to form, the gap that is assembled between the stator winding in water cooling casing and fixed Heat-conducting glue is filled up in the space of sub- iron core, stator winding respectively between end cap and water cooling casing respectively.
2. spliced rotor permanent magnet synchronous motor according to claim 1, it is characterised in that:It is described to be arranged in rotor iron The tile shape permanent magnet of core periphery is fixed with bonding agent, isolates assembling, Ran Hou every magnetic stripe using what is fixed by sunk screw Reinforced respectively with pressing plate at the two ends of rotor core.
3. spliced rotor permanent magnet synchronous motor according to claim 1, it is characterised in that:The encoder is assembled in The end of the driven end semiaxis of rotating shaft.
CN201720221150.4U 2017-03-08 2017-03-08 Spliced rotor permanent magnet synchronous motor Expired - Fee Related CN206595796U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720221150.4U CN206595796U (en) 2017-03-08 2017-03-08 Spliced rotor permanent magnet synchronous motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720221150.4U CN206595796U (en) 2017-03-08 2017-03-08 Spliced rotor permanent magnet synchronous motor

Publications (1)

Publication Number Publication Date
CN206595796U true CN206595796U (en) 2017-10-27

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Country Status (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109450171A (en) * 2018-11-21 2019-03-08 中国科学院电工研究所 A kind of motor of the efficient type of cooling
CN110380532A (en) * 2019-07-22 2019-10-25 国网江苏省电力有限公司检修分公司 A kind of stator core axial segmentation formula cooling system
JP2020120543A (en) * 2019-01-25 2020-08-06 ファナック株式会社 Electric motor with improved heat dissipation and productivity and method of manufacturing the same
CN112117836A (en) * 2019-06-19 2020-12-22 Nok株式会社 Stator structure of motor and motor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109450171A (en) * 2018-11-21 2019-03-08 中国科学院电工研究所 A kind of motor of the efficient type of cooling
JP2020120543A (en) * 2019-01-25 2020-08-06 ファナック株式会社 Electric motor with improved heat dissipation and productivity and method of manufacturing the same
CN112117836A (en) * 2019-06-19 2020-12-22 Nok株式会社 Stator structure of motor and motor
CN110380532A (en) * 2019-07-22 2019-10-25 国网江苏省电力有限公司检修分公司 A kind of stator core axial segmentation formula cooling system

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GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20190708

Address after: 110000 No.6-5, 16th Street, Shenyang Economic and Technological Development Zone, Liaoning Province

Patentee after: Shenyang Yuanda New Energy Co., Ltd.

Address before: 110027 No.6 16th Street, Shenyang Economic and Technological Development Zone, Liaoning Province

Patentee before: SHENYANG YUANDA TECHNOLOGY ELECTRIC WORKS CO., LTD.

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171027

Termination date: 20210308

CF01 Termination of patent right due to non-payment of annual fee