CN106329794A - Radial and transverse magnetic circuit combined hybrid magnetic circuit motor - Google Patents

Radial and transverse magnetic circuit combined hybrid magnetic circuit motor Download PDF

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Publication number
CN106329794A
CN106329794A CN201610852720.XA CN201610852720A CN106329794A CN 106329794 A CN106329794 A CN 106329794A CN 201610852720 A CN201610852720 A CN 201610852720A CN 106329794 A CN106329794 A CN 106329794A
Authority
CN
China
Prior art keywords
magnetic circuit
radial direction
stator
combined
magnetic shoe
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.)
Pending
Application number
CN201610852720.XA
Other languages
Chinese (zh)
Inventor
官志峰
张鹏
李中耀
黄昌成
李顺全
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.)
Shenzhen Zhongyu Electric Automobile Technology Co Ltd
Original Assignee
Shenzhen Zhongyu Electric Automobile Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to CN201610709324 priority Critical
Priority to CN2016107093241 priority
Application filed by Shenzhen Zhongyu Electric Automobile Technology Co Ltd filed Critical Shenzhen Zhongyu Electric Automobile Technology Co Ltd
Publication of CN106329794A publication Critical patent/CN106329794A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets
    • H02K1/2786Outer rotors
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/28Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof

Abstract

The present invention provides a radial and transverse magnetic circuit combined hybrid magnetic circuit motor. The radial and transverse magnetic circuit combined hybrid magnetic circuit motor comprises a stator and a rotor; the stator comprises a stator shaft, a stator core and a formed coil; the rotor comprises a rotor core and a rear end cover; the rotor core is cylindrical; the rotor core comprises a barrel bottom and a barrel body; the rear end cover is in butt joint with the barrel body, so that a mounting cavity can be formed; the stator is located in the mounting cavity; the stator shaft is provided with a first bearing and a second bearing; the barrel bottom is rotatably connected with the stator shaft through the first bearing; the inner bottom surface of the barrel bottom is provided with axial magnetic shoes forming an axial magnetic circuit; the inner side surface of the barrel body is provided with radial magnetic shoes forming a radial magnetic circuit; and the inner end surface of the rear end cover is provided with second axial magnetic shoes forming an axis magnetic circuit.

Description

The hybrid excitation synchronous motors that a kind of radial direction is combined with horizontal magnetic circuit
Technical field
The present invention relates to motor, particularly relate to the hybrid excitation synchronous motors that a kind of radial direction is combined with horizontal magnetic circuit.
Background technology
At present, automobile drive electric motor and AC servo motor industry use radial magnetic circuit structure, minority Automobile drive mostly Motor begins attempt to the power density using horizontal magnetic circuit disc type electric machine to carry out lifting motor.External advanced enterprises such as Britain YASA, Use non iron-core transverse magnetic flux disc-type permanent magnet motor technology, power of motor density is greatly improved, but its structure and technique are multiple Miscellaneous, production efficiency is low, material and manufacturing cost are high, it is difficult to produce in enormous quantities.
Summary of the invention
In order to solve the problems of the prior art, the invention provides the mixed magnetic circuit that a kind of radial direction is combined with horizontal magnetic circuit Motor.
The invention provides the hybrid excitation synchronous motors that a kind of radial direction is combined with horizontal magnetic circuit, including stator be arranged on described Rotor on stator, described stator includes stator axis, the stator core being arranged in described stator axis and is arranged on described stator Formed coil on iron core, described rotor includes that rotor core and rear end cap, described rotor core are cylindric, described rotor ferrum Core includes bottom cylinder and barrel, and described rear end cap docks formation mutually with described barrel installs cavity, and described stator is positioned at institute State in installation cavity body, described stator axis is respectively equipped with clutch shaft bearing and the second bearing, by described first axle bottom described cylinder Holding and be rotatably connected with described stator axis, described rear end cap is rotatably connected with described stator axis by described second bearing, described cylinder The inner bottom surface of bottom is provided with the first axial magnetic shoe forming axial magnetic circuit, and the medial surface of described barrel is provided with formation radially The radial direction magnetic shoe of magnetic circuit, the inner face of described rear end cap is provided with the second axial magnetic shoe forming axis magnetic circuit.
As a further improvement on the present invention, described radial direction magnetic shoe at least three and central axis around described barrel It is arranged in a circular formation.
As a further improvement on the present invention, the described first axial magnetic shoe at least three and center of circle bottom described cylinder Being arranged in a circular formation, the described second axial magnetic shoe at least three and the center of circle around described rear end cap are arranged in a circular formation.
As a further improvement on the present invention, described stator core is that magnetic nurse cast forms.
As a further improvement on the present invention, described stator core is provided with coil recess, and described formed coil is fixed on In described coil recess.
As a further improvement on the present invention, described formed coil is flat type copper wire or circular copper wire.
As a further improvement on the present invention, described radial direction magnetic shoe, the first axial magnetic shoe, the second axial magnetic shoe are neodymium ferrum Boron permanent magnet.
As a further improvement on the present invention, described radial direction magnetic shoe is pasted onto on described barrel, described first axial magnetic Watt being pasted onto on bottom described cylinder, the described second axial magnetic shoe is pasted onto on described rear end cap.
As a further improvement on the present invention, the internal diameter of described stator core is provided with spiral channel.
The invention has the beneficial effects as follows: by such scheme, define the mixing magnetic that radial magnetic circuit is combined with horizontal magnetic circuit Road, simple in construction, low cost, it is suitable for producing in enormous quantities.
Accompanying drawing explanation
Fig. 1 is the front view of the stator of the hybrid excitation synchronous motors that a kind of radial direction of the present invention is combined with horizontal magnetic circuit.
Fig. 2 is the left view of the stator of the hybrid excitation synchronous motors that a kind of radial direction of the present invention is combined with horizontal magnetic circuit.
Fig. 3 is the front view of the rotor core of the hybrid excitation synchronous motors that a kind of radial direction of the present invention is combined with horizontal magnetic circuit.
Fig. 4 is the left view of the rotor core of the hybrid excitation synchronous motors that a kind of radial direction of the present invention is combined with horizontal magnetic circuit.
Fig. 5 is the front view of the rear end cap of the hybrid excitation synchronous motors that a kind of radial direction of the present invention is combined with horizontal magnetic circuit.
Fig. 6 is the left view of the rear end cap of the hybrid excitation synchronous motors that a kind of radial direction of the present invention is combined with horizontal magnetic circuit.
The sectional view of the hybrid excitation synchronous motors that a kind of radial direction of Fig. 7 present invention is combined with horizontal magnetic circuit.
Detailed description of the invention
The present invention is further described for explanation and detailed description of the invention below in conjunction with the accompanying drawings.
Drawing reference numeral in Fig. 1 to Fig. 7 is: stator axis 1;Stator core 2;Formed coil 3;Rotor core 4;First is axial Magnetic shoe 5;Radially magnetic shoe 6;Rear end cap 7;Second axial magnetic shoe 8;Clutch shaft bearing 9;Second bearing 10;Spiral channel 11.
As shown in Figures 1 to 7, the hybrid excitation synchronous motors that a kind of radial direction is combined with horizontal magnetic circuit, including stator and being arranged on Rotor on described stator, described stator includes stator axis 1, the stator core 2 being arranged in described stator axis 1 and is arranged on institute Stating the formed coil 3 on stator core 2, described rotor includes rotor core 4 and rear end cap 7, and described rotor core 4 is cylinder Shape, described rotor core 4 includes bottom cylinder 41 and barrel 42, and described rear end cap 7 docks formation peace with described barrel 72 phase Behaveing affectedly body, described stator is positioned at described installation cavity body, and described stator axis 1 is respectively equipped with clutch shaft bearing 9 and the second bearing 10, Bottom described cylinder, 41 are rotatably connected with described stator axis 1 by described clutch shaft bearing 9, and described rear end cap 7 is by described second axle Holding 10 to be rotatably connected with described stator axis 1, bottom described cylinder, the inner bottom surface of 41 is provided with the first axial magnetic forming axial magnetic circuit Watts 5, the medial surface of described barrel 42 is provided with the radial direction magnetic shoe 6 forming radial magnetic circuit, and the inner face of described rear end cap 7 sets There is the second axial magnetic shoe 8 forming axis magnetic circuit.Owing to three magnetic circuit synchronous rotaries cut this winding, therefore exist at three magnetic circuits The counter electromotive force cophase stacking produced in this winding, common and input current generation effect, produce synchronizing torque.So, one Set winding can provide armature field for the horizontal magnetic circuit of outer ring radial magnetic circuit and two, side simultaneously, not only saves all directions magnetic circuit The end material weight of winding and space, and decrease the resistance loss produced in winding, improve electric efficiency and power Density, reduces production material and process costs.
As shown in Figures 1 to 7, described radial direction magnetic shoe 6 at least three and be circle around the central axis of described barrel 42 Shape is arranged.
As shown in Figures 1 to 7, the described first axial magnetic shoe 5 at least three and bottom described cylinder the center of circle of 41 be circle Shape is arranged, the described second axial magnetic shoe 8 at least three and the center of circle around described rear end cap 7 are arranged in a circular formation.
As shown in Figures 1 to 7, described stator core 2 forms for SMC magnetic nurse cast, can be by horizontal, radial stator tooth Groove and cooling water channel casting together, SMC magnetic nurse core material: this material is with highly purified iron powder as primary raw material, will Powder particle surface carries out insulating process, uses the repressed shaping of PM technique, a class prepared after heat treatment Novel soft magnetic materials, has relatively low high frequency eddy current losses, higher saturation induction density, can be processed into the 3D knot of complexity Structure product.Because SMC magnetic nurse material stator core be structure as a whole (common electric machine stator core be mostly stalloy closed assembly and Become, the seamed gap of sheet interlayer), it is difficult to infiltration, so its internal diameter can directly cast out or process spiral channel, cooling circuit manufacture Operation is simple and reliable, and a set of cooling circuit can be simultaneously for the winding offer cooling in radial direction and horizontal three faces.Stator core Overall dosing technology can be used after entering axle, improve heat conductivity and protective, make stator temperature distribution more uniform.
As shown in Figures 1 to 7, described stator core 2 is provided with coil recess, and described formed coil 3 is embedded in described line In circle groove.
As shown in Figures 1 to 7, described formed coil 3 is enamel-cover flat type copper wire or enamel insulated round copper wire, enamel covered wire: this material Material is a principal item of winding wire, is made up of conductor and insulating barrier two, after the annealed softening of bare wire, then through being repeatedly coated with Paint, baking forms, and is widely used in motor and Transformer Winding makes.
As shown in Figures 1 to 7, the described axial magnetic shoe of radial direction magnetic shoe 6, first 5, second axial magnetic shoe 8 is neodymium iron boron forever Magnet, Nd-Fe-B permanent magnet material: the latest result that this material develops as rare earth permanent-magnetic material, due to its excellence magnetic property and It is referred to as " magnetic king ".Nd-Fe-B permanent magnet material is praseodymium neodymium metal, the alloy of ferro-boron etc., also known as magnet steel, has high magnetic energy product And coercivity, the advantage of high-energy-density makes Nd-Fe-B permanent magnet material obtain in modern industry and electronic technology extensively simultaneously Applying, conventional motors compared by the magneto using this material to make, and power density is greatly promoted.
As shown in Figures 1 to 7, described radial direction magnetic shoe 6 is pasted onto on described barrel 42, and the described first axial magnetic shoe 5 glues Being attached to bottom described cylinder on 41, the described second axial magnetic shoe 8 is pasted onto on described rear end cap 7.
As shown in Figures 1 to 7, the internal diameter of described stator core 2 is provided with spiral channel 11.
The hybrid excitation synchronous motors that a kind of radial direction that the present invention provides is combined with horizontal magnetic circuit, uses SMC magnetic nurse material die casting Become abnormity stator core structure, dexterously axial magnetic circuit and radial magnetic circuit are combined, share a set of winding;And utilize The plasticity of SMC magnetic nurse material and good processing characteristics, form a spiral water route 11 between each magnetic circuit, can be effectively Article three, magnetic circuit provides cooling, make use of to ultimate attainmentization motor internal space, substantially increases power of motor density.
The hybrid excitation synchronous motors that a kind of radial direction that the present invention provides is combined with horizontal magnetic circuit, is being greatly improved rotor flux Under premise, stator winding resistance value, weight and end take up room and are effectively controlled, and make use of to ultimate attainmentization motor internal to stand Body space.It addition, this stator hollow structure also reduces motor weight, thus substantially increase the power density of motor.Collection The problem that the cooling circuit of middle and high effect overcomes motor stator for outer rotator heat radiation difficulty.
Above content is to combine concrete preferred implementation further description made for the present invention, it is impossible to assert Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, On the premise of present inventive concept, it is also possible to make some simple deduction or replace, all should be considered as belonging to the present invention's Protection domain.

Claims (9)

1. the hybrid excitation synchronous motors that a radial direction is combined with horizontal magnetic circuit, it is characterised in that: include stator and be arranged on described fixed Rotor on son, described stator includes stator axis, the stator core being arranged in described stator axis and is arranged on described stator ferrum Formed coil on core, described rotor includes that rotor core and rear end cap, described rotor core are cylindric, described rotor core Including bottom cylinder and barrel, described rear end cap docks formation mutually with described barrel installs cavity, and described stator is positioned at described In installation cavity body, described stator axis is respectively equipped with clutch shaft bearing and the second bearing, by described clutch shaft bearing bottom described cylinder Being rotatably connected with described stator axis, described rear end cap is rotatably connected with described stator axis by described second bearing, at the bottom of described cylinder The inner bottom surface in portion is provided with the first axial magnetic shoe forming axial magnetic circuit, and the medial surface of described barrel is provided with formation radially magnetic The radial direction magnetic shoe on road, the inner face of described rear end cap is provided with the second axial magnetic shoe forming axis magnetic circuit.
The hybrid excitation synchronous motors that radial direction the most according to claim 1 is combined with horizontal magnetic circuit, it is characterised in that: described radial direction Magnetic shoe at least three and central axis around described barrel are arranged in a circular formation.
The hybrid excitation synchronous motors that radial direction the most according to claim 1 is combined with horizontal magnetic circuit, it is characterised in that: described first Axially magnetic shoe at least three and the center of circle bottom described cylinder is arranged in a circular formation, and at least three also for the described second axial magnetic shoe It is arranged in a circular formation around the center of circle of described rear end cap.
The hybrid excitation synchronous motors that radial direction the most according to claim 1 is combined with horizontal magnetic circuit, it is characterised in that: described stator Iron core is that magnetic nurse cast forms.
The hybrid excitation synchronous motors that radial direction the most according to claim 1 is combined with horizontal magnetic circuit, it is characterised in that: described stator Iron core is provided with coil recess, and described formed coil is fixed in described coil recess.
The hybrid excitation synchronous motors that radial direction the most according to claim 1 is combined with horizontal magnetic circuit, it is characterised in that: described molding Coil is flat type copper wire or circular copper wire.
The hybrid excitation synchronous motors that radial direction the most according to claim 1 is combined with horizontal magnetic circuit, it is characterised in that: described radial direction Magnetic shoe, the first axial magnetic shoe, the second axial magnetic shoe are Nd-Fe-B permanent magnet.
The hybrid excitation synchronous motors that radial direction the most according to claim 1 is combined with horizontal magnetic circuit, it is characterised in that: described radial direction Magnetic shoe is pasted onto on described barrel, and the described first axial magnetic shoe is pasted onto on bottom described cylinder, and the described second axial magnetic shoe glues It is attached on described rear end cap.
The hybrid excitation synchronous motors that radial direction the most according to claim 1 is combined with horizontal magnetic circuit, it is characterised in that: described stator The internal diameter of iron core is provided with spiral channel.
CN201610852720.XA 2016-08-23 2016-09-27 Radial and transverse magnetic circuit combined hybrid magnetic circuit motor Pending CN106329794A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201610709324 2016-08-23
CN2016107093241 2016-08-23

Publications (1)

Publication Number Publication Date
CN106329794A true CN106329794A (en) 2017-01-11

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Family Applications (1)

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CN201610852720.XA Pending CN106329794A (en) 2016-08-23 2016-09-27 Radial and transverse magnetic circuit combined hybrid magnetic circuit motor

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107809145A (en) * 2017-10-27 2018-03-16 西安交通大学 Journal axle mixes magnetic flux type permanent magnetism vernier motor
CN110311525A (en) * 2019-06-27 2019-10-08 北京理工大学 A kind of axial and radial mixing behavior magnetic flux high-torque permanent magnet motor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201001077Y (en) * 2007-01-15 2008-01-02 大连光洋科技工程有限公司 AC permanent magnetism synchronous external rotor type torque electric motor
CN101345440A (en) * 2008-05-21 2009-01-14 哈尔滨工业大学 Permanent magnet motor with shaft radial folding winding
JP2011188730A (en) * 2010-02-09 2011-09-22 Fuji Electric Co Ltd Ring coil motor
CN104113154A (en) * 2014-06-03 2014-10-22 华中科技大学 Embedded PMSM for turning-type electric main shaft
CN204012963U (en) * 2014-06-25 2014-12-10 新誉集团有限公司 High-power density external rotor DC brushless motor
CN206099593U (en) * 2016-08-23 2017-04-12 深圳市正宇电动汽车技术有限公司 Mixed magnetic circuit motor that radial and horizontal magnetic circuit combines

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201001077Y (en) * 2007-01-15 2008-01-02 大连光洋科技工程有限公司 AC permanent magnetism synchronous external rotor type torque electric motor
CN101345440A (en) * 2008-05-21 2009-01-14 哈尔滨工业大学 Permanent magnet motor with shaft radial folding winding
JP2011188730A (en) * 2010-02-09 2011-09-22 Fuji Electric Co Ltd Ring coil motor
CN104113154A (en) * 2014-06-03 2014-10-22 华中科技大学 Embedded PMSM for turning-type electric main shaft
CN204012963U (en) * 2014-06-25 2014-12-10 新誉集团有限公司 High-power density external rotor DC brushless motor
CN206099593U (en) * 2016-08-23 2017-04-12 深圳市正宇电动汽车技术有限公司 Mixed magnetic circuit motor that radial and horizontal magnetic circuit combines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107809145A (en) * 2017-10-27 2018-03-16 西安交通大学 Journal axle mixes magnetic flux type permanent magnetism vernier motor
CN110311525A (en) * 2019-06-27 2019-10-08 北京理工大学 A kind of axial and radial mixing behavior magnetic flux high-torque permanent magnet motor

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Application publication date: 20170111

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