CN110535315A - Horseshoe-shaped winding permanent magnet motor - Google Patents

Horseshoe-shaped winding permanent magnet motor Download PDF

Info

Publication number
CN110535315A
CN110535315A CN201910921436.7A CN201910921436A CN110535315A CN 110535315 A CN110535315 A CN 110535315A CN 201910921436 A CN201910921436 A CN 201910921436A CN 110535315 A CN110535315 A CN 110535315A
Authority
CN
China
Prior art keywords
horseshoe
stator
shaped
circulating line
layer
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
CN201910921436.7A
Other languages
Chinese (zh)
Inventor
吴凡
张华�
汪源
张少文
曹宏
石先平
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.)
Nanjing He Gong Intelligent Environmental Protection Research Institute Co Ltd
Nanjing Hegong Power Technology Co Ltd
Original Assignee
Nanjing He Gong Intelligent Environmental Protection Research Institute Co Ltd
Nanjing Hegong Power 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
Application filed by Nanjing He Gong Intelligent Environmental Protection Research Institute Co Ltd, Nanjing Hegong Power Technology Co Ltd filed Critical Nanjing He Gong Intelligent Environmental Protection Research Institute Co Ltd
Priority to CN201910921436.7A priority Critical patent/CN110535315A/en
Publication of CN110535315A publication Critical patent/CN110535315A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/141—Stator cores with salient poles consisting of C-shaped cores
    • H02K1/143—Stator cores with salient poles consisting of C-shaped cores of the horse-shoe type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H02K21/18—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having horse-shoe armature cores
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • H02K9/197—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges

Abstract

The invention discloses a kind of horseshoe-shaped winding permanent magnet motors, including rotor unit to be packed into stator unit, motor axis connection rotor unit；The annular stator that stator unit is surrounded by multiple horseshoe-shaped stators, horseshoe-shaped stator by silicon steel sheet stack at, stator winding is wound on the two legs of horseshoe-shaped stator forms horseshoe-shaped stator core, casing is sleeved on the periphery of stator unit, rotor unit includes rotor yoke and multiple magnet being pasted on rotor yoke surface, motor axis connection rotor yoke.Advantage, this magneto is designed by the mounting structure to winding on stator, propose a kind of composite magnetic circuit structure, lightweight is realized to improve magneto torque density and power density, and field frame assembly is used into vacuum encapsulation scheme, heat dissipation effect is improved, torque density with higher is excellent.

Description

Horseshoe-shaped winding permanent magnet motor
Technical field
The present invention relates to a kind of horseshoe-shaped winding permanent magnet motors, belong to magneto technical field.
Background technique
Compared with traditional electro-magnetic motor, magneto has structure simple, compact, and operational reliability is high, small in size, light Low, high-efficient, the advantages such as control precision height are lost in quantization.The shape and size of magneto type unlike conventional induction Motor, can be with equal remarkable advantages versatile and flexible.The thus extensive concern by industry and civilian various industries.
Summary of the invention
The present invention proposes a kind of horseshoe-shaped winding permanent magnet motor, using horseshoe-shaped stator core, specific technical solution Are as follows:
A kind of horseshoe-shaped winding permanent magnet motor, including stator unit, rotor unit and cooling annular piping unit, rotor Unit is packed into stator unit, and cooling annular piping unit is potted in stator unit, motor axis connection rotor unit；
The annular stator that stator unit is surrounded by multiple horseshoe-shaped stators, the opening of all horseshoe-shaped stators inwardly, Horseshoe-shaped stator is by silicon steel sheet stack at winding stator winding forms horseshoe-shaped stator on the two legs of horseshoe-shaped stator Iron core, the U-shaped winding one end magnetic field for defining horseshoe-shaped stator core is the pole N, and other end magnetic field is the pole S；Horseshoe-shaped stator Every leg end secured core frame of iron core, between two iron core frameworks on each horseshoe-shaped stator core there are Gap；It constitutes between the two neighboring iron core frameworks on each adjacent two horseshoe-shaped stator core of annular stator there are gap, And constitute annular stator each adjacent two horseshoe-shaped stator core the pole N and the pole S be alternately arranged；
Cooling annular piping unit includes four layers of circulating line being successively arranged, respectively first layer circulating line, second The wavy circulating line of layer rectangle, third layer circulating line and the 4th layer of wavy circulating line of rectangle lead between four layers of circulating line It spends radial communicating pipe to be formed and be connected to, inlet and outlet is picked out on communicating pipe；
First layer circulating line and third layer circulating line are located in the opening of horseshoe-shaped stator, and second layer rectangle is wavy Circulating line and the 4th layer of wavy circulating line of rectangle cover on horseshoe-shaped stator core, the wavy circulating line of second layer rectangle With each rectangular wave in the 4th layer of wavy circulating line of rectangle respectively correspond the setting of each horseshoe-shaped stator core for pair Horseshoe-shaped stator core carries out radiating and cooling；
Casing is sleeved on the periphery of stator unit, fills out in the gap of stator unit, cooling annular piping unit and casing Enter epoxy resin, using epoxide resin vacuum casting and curing molding, stator unit, cooling annular piping unit and casing are consolidated Chemical conversion is an one-piece stator assembly；
Rotor unit includes rotor yoke and multiple magnet being pasted on rotor yoke outer surface, and the corresponding annular of magnet is fixed Son two annulars of setting, and the magnet being located on same circumference is that the pole N and the pole S are arranged alternately；It is adjacent on same circumference There are gap, the quantity of magnet and the quantity of U-shaped winding to cooperate number to set according to arbitrary Conventional permanent magnet motor slot number between magnet It sets；
Motor axis connection rotor yoke.
The principle of horseshoe-shaped winding permanent magnet motor of the invention is that horseshoe-shaped stator winding utilizes U-shaped winding one end Magnetic field is N, then other end magnetic field must be the pole S principle, and make full use of this principle, and the both ends of the pole N-S are placed in gas simultaneously In gap magnetic field.I.e. form axial magnetic flux branch forms radial flux branch to motor again in this way, and magnetic fields are greatly utilized, There is no conventional motor stator yoke, increases the torque density and power density of magneto.The adjacent two each winding of stator is for the moment It waits and is powered, form N-S/N-S magnetic pole of the stator, and by adjacent magnet steel N-S/N-S in these two pair N-S/N-S magnetic pole respective rotor.
To the preferred of technical solution of the present invention, iron core frameworks are square plate, are opened up in square plate for horseshoe-shaped stator core Leg insertion hole.Iron core frameworks are made of permeability magnetic material, are No. 45 steel plates or Q235 steel plate or Q195 steel plate.Due to each Horseshoe-shaped stator core is independent unit, and horseshoe-shaped stator core is fixed in iron core frameworks, and iron core frameworks are to lead Magnetic material has magnet accumulating cap, and between each iron core frameworks N-S cannot short-circuit magnetic circuit, need to be separated, therefore two neighboring iron There are gaps between core frame.
To the preferred of technical solution of the present invention, magnet is pasted onto rotor yoke surface using magnet steel glue.Magnet steel glue is Outsourcing piece.
To the preferred of technical solution of the present invention, ring that first layer circulating line and third layer circulating line are surrounded by copper pipe Shape, the wavy circulating line of second layer rectangle and the 4th layer of wavy circulating line of rectangle are made and are surrounded by rectangular wave bending by copper pipe Annular.
The present invention compared with prior art the utility model has the advantages that
This magneto is designed by the mounting structure to winding on stator, proposes a kind of composite magnetic circuit structure, Lightweight is realized to improve magneto torque density and power density, and field frame assembly is used into vacuum encapsulation scheme, is mentioned High heat dissipation effect, torque density with higher are excellent.
1, using concentratred winding mode, copper material is saved, while copper loss is greatly reduced.
2, using horseshoe-shaped iron core, iron core uses silicon steel plate stacking or molding bonded, saves silicon steel material and expends.
3, using horseshoe-shaped iron core, one end pole N, the other end must be the pole S, the equal coiling line in horseshoe-shaped iron core both ends Circle has and doubles magnet accumulating cap, and utilization rate is high.
4, using horseshoe-shaped iron core, stator loss is low, and magnetic circuit substantially shortens, and loss reduces.
5, horseshoe-shaped iron core not only utilizes axial magnetic circuit, but also radial magnetic circuit is utilized, and belongs to mixed type magnetic circuit Permanent Magnet and Electric Machine.
6, it using horseshoe-shaped iron core, can be made multipole, be suitble to low-speed big applications, main screw lift can be substantially Mitigate.
7, using cooling annular piping unit, it is cured as an entirety with stator, clip shell water in the prior art is omitted Cold shell.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of horseshoe-shaped stator core.
Fig. 2 is the schematic diagram that simulated machine forms axial magnetic flux branch.
Fig. 3 is the schematic diagram that simulated machine forms radial flux branch.
Fig. 4 is that two neighboring horseshoe-shaped stator core winding is powered to forming the schematic diagram of N-S/N-S magnetic pole of the stator.
Fig. 5 is the schematic diagram of adjacent magnet steel N-S/N-S in two pairs of N-S/N-S magnetic pole respective rotors by Fig. 4.
Fig. 6 is that iron core frameworks form an annular schematic diagram.
Fig. 7 is the assembling schematic diagram of stator unit, rotor unit and motor shaft.
Fig. 8 is the schematic diagram that casing is loaded onto Fig. 7.
Fig. 9 is the schematic diagram of cooling annular piping unit.
Figure 10 is the schematic diagram that cooling annular piping unit and stator unit and casing assemble.
Specific embodiment
To keep the contents of the present invention more obvious and easy to understand, done further below in conjunction with attached drawing 1- Figure 10 and specific embodiment Description.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not For limiting the present invention.
According to Fig. 1, Fig. 2 and Fig. 3, the horseshoe-shaped stator winding of horseshoe-shaped winding permanent magnet motor using it is U-shaped around Group one end magnetic field is N, then other end magnetic field must be the pole S principle, and make full use of this principle, and the both ends of the pole N-S are put simultaneously It is placed in air-gap field.I.e. form axial magnetic flux branch forms radial flux branch to motor again in this way, and magnetic is greatly utilized Field action does not have conventional motor stator yoke, increases the torque density and power density of magneto.
According to Figure 4 and 5, the adjacent two each winding of stator is powered when a certain, forms N-S/N-S magnetic pole of the stator, and By adjacent magnet steel N-S/N-S in these two pair N-S/N-S magnetic pole respective rotor.
N horseshoe-shaped stator core is fixed in iron core frameworks, since each horseshoe-shaped stator core is only Vertical unit, is fixed in iron core frameworks, and frame is permeability magnetic material, there is magnet accumulating cap, and cannot short circuit between each frame N-S Magnetic circuit needs to be separated, as shown in Fig. 2, Fig. 3 and Fig. 6.
It should be noted that if rotor is spliced using 16 pole magnet steel using 18 horseshoe-shaped stator cores, Form 18U/16P type magneto model；The invention does not limit 18U/16P；It can arbitrary conventional three-phase motor with permanent magnets slot Pole cooperates number, such as: 9U/8P；12U/10P；36U/24P；36U/32P etc. is not repeated；The invention does not limit three-phase simultaneously, It is equally applicable to five phases, six phases, nine equal magnetoes.Herein only to facilitate illustrating, using 18U/16P type structure explanation Specific summary of the invention.
Embodiment 1
As shown in FIG. 7 and 8, embodiment 1 is spliced with 18 horseshoe-shaped stator cores, rotor using 16 pole magnet steel, 18U/16P type magneto model is formed, is described in detail.
A kind of horseshoe-shaped winding permanent magnet motor, including stator unit and rotor unit, rotor unit are packed into stator unit Interior, motor shaft 3 connects rotor unit.
The annular stator that stator unit is surrounded by multiple horseshoe-shaped stators 1, the opening court of all horseshoe-shaped stators 1 Interior, horseshoe-shaped stator 1 is by silicon steel sheet stack at winding stator winding 2 forms horseshoe on the two legs of horseshoe-shaped stator 1 Type stator core, the U-shaped winding one end magnetic field for defining horseshoe-shaped stator core is the pole N, and other end magnetic field is the pole S；Horseshoe Every leg end secured core frame 3 of type stator core, between two iron core frameworks 3 on each horseshoe-shaped stator core There are gaps；It constitutes and is stayed between the two neighboring iron core frameworks 3 on each adjacent two horseshoe-shaped stator core of annular stator There is gap, and the pole N of each adjacent two horseshoe-shaped stator core of composition annular stator and the pole S are alternately arranged.
Casing 4 is sleeved on the periphery of stator unit, stator unit and casing 4 is poured using epoxide resin vacuum, and solid Chemical conversion type, so that stator core, winding and casing become an one-piece stator assembly.
Iron core frameworks 3 are square plate in embodiment 1, and the hole of the leg insertion for horseshoe-shaped stator core is opened up in square plate. Iron core frameworks 3 are made of permeability magnetic material, are No. 45 steel plates or Q235 steel plate or Q195 steel plate.Due to each horseshoe-shaped stator Iron core is independent unit, and horseshoe-shaped stator core is fixed in iron core frameworks, and iron core frameworks are permeability magnetic materials, there is poly- magnetic Effect, and between each iron core frameworks N-S cannot short-circuit magnetic circuit, need to be separated, therefore stay between two neighboring iron core frameworks There is gap.
18 horseshoe-shaped stator cores and magnetic-collecting board frame are independent in embodiment 1, and by tooling, (tooling is total with stator The cylinder to match at internal diameter, 18 horseshoe-shaped stator cores and magnetic-collecting board frame are installed around cylinder and are positioned, and are combined into One circumferential field frame assembly, and motor case 4 is fixed on stator core periphery, stator and casing are used into high thermal conductivity coefficient The epoxide resin vacuum of high insulating property is poured, and curing molding, so that horseshoe-shaped stator core, winding, casing become one A entirety, field frame assembly need for be poured inner cavity, solidification.
The epoxy resin of high thermal conductivity coefficient high insulating property is outsourcing piece, in the present embodiment preferentially using German Alan's tower this The bi-component epoxy footnote mixture of Elantas 5262 for producing and selling, by horseshoe-shaped stator core, winding, casing at For an entirety, field frame assembly is formed.
As shown in fig. 7, rotor unit includes rotor yoke 5 and multiple magnet 6 being pasted on 5 surface of rotor yoke, magnetic Two annulars are arranged in the corresponding annular stator of iron 6, and the magnet 6 being located on same circumference is that the pole N and the pole S are arranged alternately；Positioned at same There are gap between adjacent magnets 6 on one circumference, the quantity of the quantity of magnet 6 and U-shaped winding is according to arbitrary Conventional permanent magnet Motor slot number cooperates number setting.Motor shaft 3 connects rotor yoke 5.
Magnet 6 is pasted onto 5 surface of rotor yoke using magnet steel glue.Magnet steel glue is outsourcing piece, preferential using happy safe 326。
Embodiment 2
Embodiment 2 is to be additionally arranged the cooling of given adopted horseshoe-shaped stator core radiating and cooling on the basis of embodiment 1 Circulating line.
Traditional fluid-cooled electrical machine is all made of clip shell water cooling or spiral channel coil pipe (copper pipe) mode, but due to actual casting There may be defects with welding, lead to leak (coolant liquid), so that motor reliability reduces or even burn motor.General water cooling electricity Machine is welded using steel part or gravitational casting, and welded seam is in big hydraulic action leakiness, and is difficult to remedy, to welding Technique requires very high
Conventional preferably to take away heat to allow liquid to have using the cooling motor of liquid cooling, entire liquid cooling system needs to pressurize, Accelerate liquid communication.Make original cooling water channel leakage problem more prominent in this way.
And we use copper pipe, bending composition coil form, so that it may prevent leakage problem completely.In addition copper pipe resistance to pressure It can be more preferable.
As shown in Figures 9 and 10, horseshoe-shaped winding permanent magnet motor, including stator unit, rotor unit and cooling ring pipe Road unit, rotor unit are packed into stator unit, and cooling annular piping unit is potted in stator unit, motor axis connection rotor Unit.
Cooling annular piping unit includes four layers of circulating line being successively arranged, respectively first layer circulating line 7, second The wavy circulating line 8 of layer rectangle, third layer circulating line 9 and the 4th layer of wavy circulating line 10 of rectangle, four layers of circulating line it Between be formed and be connected to by radial communicating pipe 11, import 12 and outlet 13 are picked out on communicating pipe 11.
As shown in Figure 10, first layer circulating line 7 and third layer circulating line 9 are located in the opening of horseshoe-shaped stator 1, The wavy circulating line 8 of second layer rectangle and wavy 10 sets of circulating line of the 4th layer of rectangle are on horseshoe-shaped stator core, and second Each rectangular wave in the layer wavy circulating line 8 of rectangle and the 4th layer of wavy circulating line 10 of rectangle respectively corresponds each horseshoe The setting of type stator core is for carrying out radiating and cooling to horseshoe-shaped stator core.
The annular that first layer circulating line 7 and third layer circulating line 9 are surrounded by copper pipe, the wavy ring pipe of second layer rectangle Road 8 and the 4th layer of wavy circulating line 10 of rectangle are made by rectangular wave bending of copper pipe and surround annular.
Epoxy resin is inserted in the gap of stator unit, cooling annular piping unit and casing 4 in embodiment 2, is used Stator unit, cooling annular piping unit and casing 4 are solidified into an entirety by epoxide resin vacuum casting and curing molding Field frame assembly.
Epoxy resin is the epoxy resin of high thermal conductivity coefficient high insulating property, is outsourcing piece, preferentially uses in the present embodiment This bi-component epoxy footnote mixture of Elantas 5262 for producing and selling of German Alan's tower, by stator unit, cooling ring Shape piping unit and casing 4 are solidified into an one-piece stator assembly.
Cooling annular piping unit is potted in stator unit in embodiment 2, and water-cooling type motor in the prior art is omitted Clip shell water cooling casing.
The motor of embodiment 2 need to cool down when implementing and be passed through coolant liquid by import, and the coolant liquid after absorbing heat is by going out Mouth discharge.
Part that the present invention does not relate to is communicated with the prior art or is realized using the prior art.
What is be not specifically noted in all description of the invention is the prior art or can be realized by existing technology, It should be understood that for those of ordinary skills, it can be modified or changed according to the above description, and it is all this A little modifications and variations should all belong to the protection domain of appended claims of the present invention.

Claims (5)

1. a kind of horseshoe-shaped winding permanent magnet motor, including stator unit and rotor unit, it is characterised in that: further include cooling ring Shape piping unit, rotor unit are packed into stator unit, and cooling annular piping unit is potted in stator unit, motor shaft (3) Connect rotor unit；
Cooling annular piping unit includes four layers of circulating line being successively arranged, respectively first layer circulating line (7), the second layer The wavy circulating line of rectangle (8), third layer circulating line (9) and the 4th layer of wavy circulating line of rectangle (10), four layers of ring pipe It is formed and is connected to by radial communicating pipe (11) between road, import (12) and outlet (13) are picked out on communicating pipe (11)；
The annular stator that stator unit is surrounded by multiple horseshoe-shaped stators (1), the opening court of all horseshoe-shaped stators (1) Interior, horseshoe-shaped stator (1) is by silicon steel sheet stack at winding stator winding (2) is formed on the two legs of horseshoe-shaped stator (1) Horseshoe-shaped stator core, the U-shaped winding one end magnetic field for defining horseshoe-shaped stator core is the pole N, and other end magnetic field is the pole S； Every leg end secured core frame (3) of horseshoe-shaped stator core, two iron cores on each horseshoe-shaped stator core There are gaps between frame (3)；Constitute the two neighboring iron core on each adjacent two horseshoe-shaped stator core of annular stator There are gaps between frame (3), and constitute the pole N and the pole the S alternating of each adjacent two horseshoe-shaped stator core of annular stator Arrangement；
Cooling annular piping unit includes four layers of circulating line being successively arranged, respectively first layer circulating line (7), the second layer The wavy circulating line of rectangle (8), third layer circulating line (9) and the 4th layer of wavy circulating line of rectangle (10), four layers of ring pipe It is formed and is connected to by radial communicating pipe (11) between road, import (12) and outlet (13) are picked out on communicating pipe (11)；
First layer circulating line (7) and third layer circulating line (9) are located in the opening of horseshoe-shaped stator (1), second layer square The wavy circulating line of shape (8) and the 4th layer of wavy circulating line of rectangle (10) cover on horseshoe-shaped stator core, second layer square Each rectangular wave in the wavy circulating line of shape (8) and the 4th layer of wavy circulating line of rectangle (10) respectively corresponds each horseshoe The setting of type stator core is for carrying out radiating and cooling to horseshoe-shaped stator core；
Casing (4) is sleeved on the periphery of stator unit, in the gap of stator unit, cooling annular piping unit and casing (4) Epoxy resin is inserted, using epoxide resin vacuum casting and curing molding, by stator unit, cooling annular piping unit and casing (4) it is solidified into an one-piece stator assembly；
Rotor unit includes rotor yoke (5) and multiple magnet (6) being pasted on rotor yoke (5) outer surface, and magnet (6) is right Answer annular stator that two annulars are set, and the magnet (6) being located on same circumference is that the pole N and the pole S are arranged alternately；Positioned at same circle There are gaps between adjacent magnets (6) on week, and the quantity of magnet (6) and the quantity of U-shaped winding are according to arbitrary Conventional permanent magnet Motor slot number cooperates number setting；
Motor shaft (3) connects rotor yoke (5).
2. horseshoe-shaped winding permanent magnet motor according to claim 1, it is characterised in that: iron core frameworks (3) are square plate, In The hole of the leg insertion for horseshoe-shaped stator core is opened up in square plate.
3. horseshoe-shaped winding permanent magnet motor according to claim 2, it is characterised in that: iron core frameworks (3) use magnetic conduction Material is made, and is No. 45 steel plates or Q235 steel plate or Q195 steel plate.
4. horseshoe-shaped winding permanent magnet motor according to claim 1, it is characterised in that: magnet (6) uses magnet steel glue It is pasted onto rotor yoke (5) surface.
5. horseshoe-shaped winding permanent magnet motor according to claim 1, it is characterised in that: first layer circulating line (7) and The annular that third layer circulating line (9) is surrounded by copper pipe, the wavy circulating line of second layer rectangle (8) and the 4th layer of rectangle wavy rings Shape pipeline (10) is made by rectangular wave bending of copper pipe and surrounds annular.
CN201910921436.7A 2019-09-27 2019-09-27 Horseshoe-shaped winding permanent magnet motor Pending CN110535315A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910921436.7A CN110535315A (en) 2019-09-27 2019-09-27 Horseshoe-shaped winding permanent magnet motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910921436.7A CN110535315A (en) 2019-09-27 2019-09-27 Horseshoe-shaped winding permanent magnet motor

Publications (1)

Publication Number Publication Date
CN110535315A true CN110535315A (en) 2019-12-03

Family

ID=68670477

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910921436.7A Pending CN110535315A (en) 2019-09-27 2019-09-27 Horseshoe-shaped winding permanent magnet motor

Country Status (1)

Country Link
CN (1) CN110535315A (en)

Similar Documents

Publication Publication Date Title
US10700561B2 (en) Double-rotor flux-switching machine
US6954010B2 (en) Lamination cooling system
CN203951281U (en) There is the electric motor of self-support type housing
US6313556B1 (en) Superconducting electromechanical rotating device having a liquid-cooled, potted, one layer stator winding
JP6215913B2 (en) Multi-phase permanent magnet motor with adjustable leakage inductance
CN108270301B (en) Stator structure with winding end cooling structure and motor thereof
JP2002335648A (en) Cooling of electric machine
CN105305749B (en) Stator non iron-core Halbach permanent magnet array axial-flux electric machines
US20110241453A1 (en) Electrical machine and method for the manufacture of stator sections therefor
CN102594068A (en) Method for widening weak magnetic speed regulating range of permanent magnet synchronous motor and stator of permanent magnet synchronous motor
CN101310431A (en) Primary part of a linear motor and linear motor therewith
CN110535315A (en) Horseshoe-shaped winding permanent magnet motor
CN203339911U (en) Stator double-winding alternating-current motor with double cage barrier rotors
CN210518074U (en) Permanent magnet motor with horseshoe-shaped winding
JP2014036485A (en) Endplate-less rotor
CN108233562A (en) A kind of motor stator module, motor stator and radial flux motors
RU2422969C1 (en) Electromechanical converter with liquid cooling
CN203261211U (en) Stator self-excitation synchronous motor with dual cage barrier rotors
CN110601484A (en) Permanent magnet motor with horseshoe-shaped winding of inner rotor
CN210518075U (en) Permanent magnet motor with horseshoe-shaped winding of inner rotor
CN110535316A (en) Outer rotor horseshoe-shaped winding permanent magnet motor
CN213072265U (en) Annular motor and stator shell thereof
CN215990344U (en) Motor stator cooling structure and motor
CN210518076U (en) Outer rotor horseshoe type winding permanent magnet motor
CN203135669U (en) Electro-magnetic synchronous motor with cage-barrier outer rotor and stator

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination