CN107154721A - A kind of dish-style outer rotor iron-core less motor - Google Patents
A kind of dish-style outer rotor iron-core less motor Download PDFInfo
- Publication number
- CN107154721A CN107154721A CN201710496066.8A CN201710496066A CN107154721A CN 107154721 A CN107154721 A CN 107154721A CN 201710496066 A CN201710496066 A CN 201710496066A CN 107154721 A CN107154721 A CN 107154721A
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- China
- Prior art keywords
- dish
- iron
- motor
- outer rotor
- cooler
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Classifications
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- 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
- H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K55/00—Dynamo-electric machines having windings operating at cryogenic temperatures
- H02K55/02—Dynamo-electric machines having windings operating at cryogenic temperatures of the synchronous type
- H02K55/04—Dynamo-electric machines having windings operating at cryogenic temperatures of the synchronous type with rotating field windings
-
- 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
Abstract
The present invention relates to a kind of dish-style outer rotor iron-core less motor, including outer rotor component and default sub-component, outer rotor component includes housing, the dish-shaped yoke in housing and some permanent magnets being installed in dish-shaped yoke；Default sub-component includes motor shaft and the dish-shaped iron-less core coil on motor shaft, and dish-shaped iron-less core coil is relative with permanent magnet；Motor includes superconducting module, and superconducting module is contacted with dish-shaped iron-less core coil, for the heat derives for producing dish-shaped iron-less core coil.The heat of the generation of iron-less core coil can be cooled rapidly, and radiating efficiency is high, and radiating mode of the invention disclosure satisfy that the radiating requirements of iron-less core coil.
Description
Technical field
It is to be related to a kind of dish-style outer rotor iron-core less motor specifically the present invention relates to technical field of motors.
Background technology
With in world wide the energy it is increasingly deficient, the energy it is effective using increasingly being paid attention to, and generator and
Motor is the most important thing of contemporary energy device development, and energy-conserving and environment-protective are the key issues for being badly in need of solving.Asynchronous machine, excitation
Synchronous motor is most general motor at present, and they are double iron loss, and copper loss, actual efficiency only has 60-70%, observable index
It is higher.Permagnetic synchronous motor is more a little better than upper two electric efficiency and energy-conservation aspect, but undesirable, with copper loss and iron
Damage double losses, also have appeared to be on very big permanent-magnet magnetic resistance, surface permanent magnet and core structure can relative energy-saving, but stator and
The permanent-magnet magnetic resistance produced between rotor is again lost energy-saving power, not to mention realizes straight drive.Iron-core less motor
Development is the motor technology most saved at present, and its structure only has copper loss.Other motors of iron-core less motor and the above compare
Efficiency is very high, but applies less at present, and key issue is that the cooling problem of motor can not be solved, and hampers iron-core less motor
Using.
The content of the invention
It is an object of the invention to provide a kind of dish-style outer rotor iron-core less motor, existing iron-core less motor cooling is solved
Technical problem.
In order to solve the above technical problems, the present invention is achieved using following technical scheme：
A kind of dish-style outer rotor iron-core less motor, including outer rotor component and default sub-component, the outer rotor component include shell
Body, the dish-shaped yoke in the housing and some permanent magnets being installed in dish-shaped yoke；The default sub-component includes
Motor shaft and the dish-shaped iron-less core coil on the motor shaft, the dish-shaped iron-less core coil are relative with the permanent magnet；
The motor includes superconducting module, and the superconducting module is contacted with the dish-shaped iron-less core coil, for by described in
The heat derives that dish-shaped iron-less core coil is produced.
Dish-style outer rotor iron-core less motor as described above, the superconducting module includes superconducting pipe and positioned at described super
Superconducting fluid is perfused with the heat build-up bag of end of conduit, the superconducting pipe and heat build-up bag.
Dish-style outer rotor iron-core less motor as described above, the motor includes being used for carrying out the superconducting module
Water stream channel is provided with the cooler of cooling, the cooler.
Dish-style outer rotor iron-core less motor as described above, the motor shaft includes hollow cavity, and the cooler is located at
In the hollow cavity, the heat of the superconducting module is transferred to the cooler by the motor shaft.
Dish-style outer rotor iron-core less motor as described above, the cooler is cylindrical shape, and the cooler is covered in institute
State on the inwall of motor shaft, have in the cooler and be connected with water stream channel, the cooler and water stream channel company
Logical water inlet pipe and outlet pipe, the water inlet pipe and outlet pipe are drawn by the hollow cavity.
Dish-style outer rotor iron-core less motor as described above, the cooler is cylindrical shape, is set on the motor shaft,
The heat transfer of the superconducting module is to the cooler.
Dish-style outer rotor iron-core less motor as described above, the motor shaft has to be set on hollow cavity, the motor shaft
Being equipped with through hole, the cooler has water stream channel, and the water inlet connected with the water stream channel is connected with the cooler
Pipe and outlet pipe, the water inlet pipe and outlet pipe after the through hole from the hollow cavity by drawing.
Dish-style outer rotor iron-core less motor as described above, the cooler include positioned at heat build-up bag and the motor shaft it
Between the contacted with the heat build-up bag first dish-shaped cooling end and the second dish cooling end for fit with the iron-less core coil.
Dish-style outer rotor iron-core less motor as described above, the motor includes liquid cooling system, and the liquid cooling system includes
Water stream channel, controller, temperature sensor, refrigerant circulation pump, medium circulation pipeline and radiator；The medium circulation pipeline with
The water stream channel connection, the temperature sensor is used for the temperature for detecting the iron-less core coil and sent to the control
Device, the controller is used to output control signals to the refrigerant circulation pump and radiator.
Some and motor shaft is provided with dish-style outer rotor iron-core less motor as described above, the dish-shaped yoke
Coaxial rotor magnetic guiding loop, the magnetic guiding loop is radially provided with some magnetic conduction bars, the rotor magnetic guiding loop and magnetic conduction bar shaped
Into some grids, the permanent magnet is located in the grid of the dish-shaped yoke, and the permanent magnet magnetic pole it is same radially
It is identical to be alternately distributed in same circumference；The default sub-component includes stator magnetic guiding loop, and the iron-less core coil is wound on institute
State on stator magnetic guiding loop, the stator magnetic guiding loop with it is described relative with the position of rotor magnetic guiding loop.
Compared with prior art, advantages and positive effects of the present invention are：Iron-core less motor of the present invention includes superconducting
Module, superconducting module is contacted with dish-shaped iron-less core coil, the heat derives that dish-shaped iron-less core coil is produced, non-iron core wire
The heat moment of circle passes to superconducting module, and the heat of iron-less core coil is only left very small heat.Thus, iron-core-free
The heat of the generation of coil can be cooled rapidly, and radiating efficiency is high, and radiating mode of the invention disclosure satisfy that iron-less core coil
Radiating requirements.
Motor of the present invention greatly reduces volume, reduces weight, entirely without magnetic resistance, efficiency high, moment of torsion be big, overload power
By force, small volume, lightweight.The present invention eliminates 100% tin plate compared with prior art, eliminates 30-40% copper materials, assembles
Without magnetic force interference.In machine applications, gear box structure can be eliminated, straight drive is fully achieved.The present invention enormously simplify machine
Tool structure, the efficiency of motor brings up to more than 98%.Space flight, ship, submarine, industrial equipment, new-energy automobile, wind-force can be used in
The fields such as generating, thermo-electric generation.
It is read in conjunction with the figure after the detailed description of embodiment of the present invention, the other features and advantages of the invention will become more
Plus it is clear.
Brief description of the drawings
Fig. 1 is the sectional view of the motor of the specific embodiment of the invention 1.
Fig. 2 is the exploded view of the motor of the specific embodiment of the invention 1.
Fig. 3 is the schematic diagram of the specific embodiment of the invention 1,2 iron-less core coils and superconducting module.
Fig. 4 is the exploded view of the specific embodiment of the invention 1,2 iron-less core coils and superconducting module.
Fig. 5 is the schematic diagram of the permanent magnet of the specific embodiment of the invention 1 and rotor magnetic guiding loop.
Fig. 6 is the sectional view of the cooler of the specific embodiment of the invention 1.
Fig. 7 is the specific embodiment of the invention 1, the water (flow) direction schematic diagram in 2 water stream channels.
Fig. 8 is the schematic diagram of specific embodiment of the invention liquid cooling system.
Fig. 9 is the sectional view of the motor of the specific embodiment of the invention 2.
Figure 10 is the exploded view of the motor of the specific embodiment of the invention 2.
Figure 11 is the schematic diagram of the permanent magnet of the specific embodiment of the invention 2 and rotor magnetic guiding loop.
Figure 12 is the schematic diagram of the cooler of the specific embodiment of the invention 2.
Figure 13 is the sectional view of the motor of the specific embodiment of the invention 3.
Figure 14 is the exploded view of the motor of the specific embodiment of the invention 3.
Figure 15 is the outline drawing of the motor of the specific embodiment of the invention 3.
Figure 16 is the schematic diagram of the cooler of the specific embodiment of the invention 3.
Figure 17 is the exploded view of the iron-less core coil of the specific embodiment of the invention 3.
Embodiment
The embodiment to the present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1-2, the present embodiment proposes a kind of dish-style double air gaps outer rotor iron-core less motor, the present embodiment using motor as
Illustrated exemplified by wheel hub motor, motor includes default sub-component and outer rotor component.So-called outer rotor, refers to default subgroup
The motor shaft of part is fixed position, and whole default sub-component is in a fixed position, the housing of outer rotor component be it is rotary,
Whole outer rotor component is rotary.
Outer rotor component includes housing 101, at least one pair of dish-shaped yoke 102 in housing 101 and is installed in pairs
Some permanent magnets 103 on dish-shaped yoke opposite face.The present embodiment includes 4 dish-shaped yokes 102 being located in housing 101, phase
Adjacent two dish-shaped yokes 102 are formed a pair, 4 dish-shaped 3 pairs of formation of yokes 102, are pacified on the opposite face of each pair dish yoke 102
Equipped with permanent magnet 103 on some permanent magnets 103, and the opposite face of the dish-shaped yoke 102 of each pair, N poles are extremely relative with S, S poles and N
It is extremely relative.Also, the magnetic pole of the permanent magnet 103 in same yoke 102 is same radially identical, i.e., it is radially same
N poles are S poles, and N poles and S poles are alternately distributed in same circumference.
Default sub-component includes motor shaft 201 and the dish-shaped iron-less core coil 202 of at least one on motor shaft 201.
The number of dish-shaped iron-less core coil 202 is identical with the logarithm of dish-shaped yoke 102.Wherein, dish-shaped iron-less core coil 202 is installed on electricity
On arbor 201, a dish-shaped iron-less core coil 202 is provided between the permanent magnet 103 of the opposite face of a pair of magnetic yoke 102.
Permanent magnet 103 on one dish-shaped iron-less core coil 202 and two dish-shaped yokes 102 is relative, a dish-shaped iron-free
The generating of the dish-shaped yokes 102 of core coil 202 and two and one group of structure of composition of permanent magnet 103 thereon or electric module, one
Motor may include multigroup generating or electric module.
Connected between motor shaft 201 and housing 101 by bearing 3, it is real by bearing 3 between motor shaft 201 and housing 101
Now relatively rotate.Motor shaft 201 and iron-less core coil 202 is synchronous is relatively rotated with housing 101, namely permanent magnet 103 and
When iron-less core coil 202 is relatively rotated, iron-less core coil 202 does cutting magnetic induction line motion and produces electric current, now, and motor is generating
Machine.When iron-less core coil 202 is powered, phase interaction occurs for the permanent magnet 103 of the electromagnetic field that stator module is produced and rotor assembly
Firmly, drive shell 101 relatively rotates with motor shaft 201, now, and motor is motor.Motor includes rotary transformer
9, the rotating shaft of rotary transformer 9 is fixedly connected on housing 101, the angle corresponding with stator module for detecting rotor assembly
Degree.
Electric machine casing 101 is metal material, plays the role of armoured magnetic field, prevents magnetic field from leaking outside.
The motor shaft 101 of the present embodiment is installed on automobile suspension system, and electric machine casing 201 is installed on automotive hub,
Tire is installed on wheel hub.Motor include brake gear and install connecting plate, motor by install connecting plate be attached to automobile hang
In extension system.
The dish-shaped iron-less core coil 202 of the present embodiment is formed by solid conductor coiling, and solid conductor can be existing
Plain conductor.In order to realize the cooling of motor, as shown in Figure 3,4, the motor of the present embodiment includes superconducting module 5, vacuum
The formation annular of superconduction module 5 is simultaneously contacted with iron-less core coil 104, to absorb heat and the export of the generation of iron-less core coil 104.
Specifically, superconducting module 5 includes superconducting pipe 51 and the heat build-up bag 52 positioned at the end of superconducting pipe 51, superconducting pipe 51
Superconducting fluid is perfused with heat build-up bag 52.Superconducting pipe 51 and heat build-up bag 52 extract vacuum out through mould die mould and irrigate superconducting fluid.It is poly-
Heat bag 52 is located at the one or both ends of superconducting pipe 51, and superconducting pipe 51S shapes bend and are in annular, and heat build-up bag 52 is super positioned at annular
The inner edge of conduit 51.When motor operationally, iron-less core coil 104 have high current by when, the heat transfer of generation is to vacuum
The superconducting pipe 51 of superconduction module 5, the superconducting fluid instantaneous expansion reaction of superconducting pipe 51, heat is led to heat build-up bag 52.In the present embodiment,
One superconducting module 5 is clamped between two iron-less core coils 104.
In order to carry out quick heat radiating to the heat of superconducting module 5, as shown in Fig. 1,2,6, the present embodiment includes being used for
The cooler 4 cooled down to superconducting module 5.Specifically, in the present embodiment, motor shaft 201 includes hollow cavity 2011,
Motor includes the cooler 4 being located in hollow cavity 2011, and the heat of superconducting module 5 is transferred to cold by motor shaft 201
But device 4.It is preferred that, cooler 4 is cylindrical shape, and cooler 4 is covered on the inwall of motor shaft 201, that is, cooler 4 is outer
Wall is contacted with the inwall of motor shaft 201, has water stream channel in cooler 4.It is connected with and is connected with water stream channel on cooler 4
Water inlet pipe 61 and outlet pipe 62, water inlet pipe 61 and outlet pipe 62 are drawn by hollow cavity 2011, and and outer liquid cooling system
Connection.
It is preferred that, water stream channel is S types.As shown in fig. 7, being water (flow) direction schematic diagram in water stream channel.
The iron-less core coil 202 of the present embodiment is annular, and heat build-up bag 52 is located at the inner edge of iron-less core coil 202, close
Or contact motor shaft 201.The heat build-up bag room for installing iron-less core coil 202 and heat build-up bag 52 is provided with motor shaft 201
2012。
As shown in figure 8, the motor of the present embodiment includes liquid cooling system, liquid cooling system includes the current being located in cooler 4
Passage, controller, temperature sensor, refrigerant circulation pump, medium circulation pipeline and radiator；Medium circulation pipeline and water stream channel
Water inlet pipe 61 and outlet pipe 62 connect, refrigerant circulation pump and radiator are located in medium circulation pipeline.Temperature sensor is used for
Detect the temperature of iron-less core coil and send to controller, controller is used to output control signals to refrigerant circulation pump and radiating
Device.When temperature sensor detects that the temperature of iron-less core coil is higher than design temperature, controller control refrigerant circulation pump and radiating
Device works, quickly to reduce the temperature of iron-less core coil, detects the temperature of iron-less core coil less than setting temperature in temperature sensor
When spending, illustrate that the heat that iron-less core coil is produced is few, now, controller control refrigerant circulation pump and radiator are stopped.
It is preferred that being connected with the fluid reservoir for storing refrigerant in medium circulation pipeline.
In order to improve electric efficiency, the present embodiment is to the mounting means of permanent magnet 103 and the installation side of iron-less core coil 202
Formula is improved：
As shown in Fig. 1,2,5, dish-shaped yoke 102 is processed in dish using high magnetic conductive metal material, dish-shaped yoke 102
Surface is provided with multiple rotor magnetic guiding loop locating slots, and some rotors coaxial with housing 101 are provided with dish-shaped yoke 102 and are led
Magnet ring 104, rotor magnetic guiding loop 104 is installed on magnetic guiding loop locating slot, and the material of rotor magnetic guiding loop 104 is metal.Rotor magnetic guiding loop
104 are radially provided with some magnetic conduction bars 105, and rotor magnetic guiding loop 104 and magnetic conduction bar 105 form some grids, permanent magnet 103
In grid, and permanent magnet 103 magnetic pole same radially identical, i.e., be radially N poles same or be S poles,
N poles and S poles are alternately distributed in same circumference.
Rotor magnetic guiding loop 104, magnetic conduction bar 105 and permanent magnet 103 are mounted in yoke 102, specifically, rotor magnetic guiding loop
104th, magnetic conduction bar 105 and permanent magnet 103 can be pasted in yoke 102 by high polymer material, and magnetic conduction bar 105 is fitted in permanent magnet
103 and rotor magnetic guiding loop 104 on, magnetic conduction bar 105 is fixed by screws in yoke 102.Rotor magnetic guiding loop 104, magnetic conduction bar 105
Mounting means with permanent magnet 103 is：One is first installed in yoke 102 and encloses permanent magnet 103, then mounts one and permanent magnet 103
Adjacent rotor magnetic guiding loop 104, then magnetic conduction bar 105 is installed, permanent magnet 103 and rotor magnetic guiding loop 104 are fitted in yoke 102
On；Attachment permanent magnet 103, rotor magnetic guiding loop 104, magnetic conduction bar 105 are further continued for, circulates successively, after installation, then uses macromolecule
Material is cast.
Outer rotor component is by yoke 102, rotor magnetic guiding loop 104, permanent magnet 103, magnetic conduction bar 105 and high polymer material group
Into.Separated between adjacent permanent magnet 103 by rotor magnetic guiding loop 104 and magnetic conduction bar 105, specifically, by leading between N poles and S poles
Magnetic stripe 105 is separated, and is separated between N poles and N poles or by rotor magnetic guiding loop 104 between S poles and S poles.Adjacent same sex N poles and
Between N poles permanent magnet 103, there is rotor magnetic guiding loop 104 to be separated by between adjacent same sex S poles and S poles, so, can make N poles and
N poles, the repulsion between S poles and S poles is changed into adhesive, again can export the magnetic field of repulsion, the axle of permanent magnet 204 is improved after export
To magnetic flux.Between adjacent different in nature N poles and S poles, provided with magnetic conduction bar 105, magnetic conduction bar 105 makes the polarity between N poles and S poles clear
Chu separates plays fixation again, rotor magnetic guiding loop 104 and the formation magnetic conduction grid of magnetic conduction bar 105.
The present embodiment outer rotor component makes the magnetic line of force formation focus of each pair magnetic pole, alignment is simultaneously due to using magnetic conduction grid
The magnetic conduction grid of default sub-component is penetrated, the permanent magnet N poles on a pair of magnetic yoke opposite face and the S poles of permanent magnet is formed magnetic and returns
Road, permanent magnet S pole and permanent magnet N poles form magnetic loop, and the high magnetic conduction of combined type magnetic conduction web frame as permanent magnet independence turns
Son.The magnetic flux of each pair magnetic pole is improved many than the rotor magnetic flux of other magnetoes, greatly reduce material cost.
Rotor magnetic guiding loop 104 uses metal material, and magnetic conduction bar 105 uses alloy material, and permanent magnet 103 is rare earth neodymium iron
Boron, samarium cobalt permanent magnet, Al-Ni-Co permanent magnet or iron oxygen permanent magnet, permanent magnet 103 can be cuboid or long shoe shape or trapezoidal.
As shown in Figure 3,4, default sub-component includes stator magnetic guiding loop 203 corresponding with the rotor magnetic guiding loop 104 in yoke,
The quantity of stator magnetic guiding loop 203 is identical with the quantity of the rotor magnetic guiding loop 104 of yoke 102, the position of stator magnetic guiding loop 203 and magnetic
The position of the rotor magnetic guiding loop 104 of yoke 102 is corresponding.Stator magnetic guiding loop 203 is nonferrous alloy material.Specifically, solid conductor
It is wound on stator magnetic guiding loop 203 and iron-less core coil 202, iron-less core coil 202 and vacuum is formed after high polymer material of casting
Superconduction module 5 is combined.The formation annular of some superconducting pipes 51 of superconducting module 5, radiating bag 52 is located at the inner edge of annular.
Default sub-component is by iron-less core coil 202, stator magnetic guiding loop 203, superconducting module 5, high polymer material etc.
Composition.Each magnetic pole is connected to form by stator magnetic guiding loop 203, wire, referred to as magnetic conduction grid.The magnetic conduction grid of outer rotor component
There is accurate positioning with every lattice of default sub-component magnetic conduction grid per lattice.The magnetic pole N of every group of magnetic conduction grid of outer rotor component,
The relation of S, N pole corresponding in the axial direction with default sub-component magnetic conduction grid is very accurate between S poles.During generating, rotor
Rotate and produce induced electromotive force output induced-current with stator cutting magnetic line, stator winding.When electronic, pass through rotary transformer
Sense that the accurate location of each pair magnetic pole in rotor magnetic conduction grid and stator magnetic conduction grid is issued to instruct to electric machine controller, from
And control rotor to rotate.
The magnetic conduction grid of the present embodiment, further optimizes magnetic field structure, can be greatly reduced with permanent magnetism body weight, in same work(
Under rate compared with the iron-core less motor of other magnet structures, permanent magnet consumption only has half, greatly reduces the system of motor
Cause this.
The present embodiment stator module does not use ferrous material, does not have permanent magnet 103 directly to inhale on stator module
The corresponding N poles in the position of conjunction, only birotor and the adhesive of S poles, penetrate the stator magnetic conduction grid being clipped in the middle of birotor, make to lead to
The magnetic conduction grid crossed on stator produces bigger magnetic field, and magnetic resistance is zero, without unnecessary loss, the only copper of stator winding in itself
Damage, bigger mechanical efficiency can be played.
Certainly, the motor shaft of multiple the present embodiment iron-core less motors is sequentially connected, and can form combined type iron-core less motor, can
To improve output power or generated energy.
Embodiment 2
As shown in Fig. 3,9-11, the present embodiment proposes a kind of dish-style list air-gap outer rotor iron-core less motor, and motor includes default
Sub-component and outer rotor component.
Outer rotor component includes housing 101, at least one dish-shaped yoke 102 in housing 101 and is installed on dish
Some permanent magnets 103 in yoke.The present embodiment includes 1 dish-shaped yoke 102 being located in housing 101, dish-shaped yoke 102 with
Some permanent magnets 103, also, the magnetic pole of the permanent magnet 103 in yoke 102 are mounted on the opposite face of iron-less core coil 202
Same radially identical, i.e., it is radially N poles same or is S poles, N poles and S poles are alternately distributed in same circumference.
Default sub-component includes motor shaft 201 and the dish-shaped iron-less core coil 202 on motor shaft 201, dish-shaped iron-free
The quantity of core coil 202 is identical with the quantity of dish-shaped yoke 102 and the two is corresponded.In the present embodiment, dish-shaped non-iron core wire
Circle 202 is provided with one.Wherein, dish-shaped iron-less core coil 202 is installed on motor shaft 201, dish-shaped iron-less core coil 202 and magnetic
The face that yoke 102 installs permanent magnet 103 is relative, and dish-shaped iron-less core coil 202 is relative with the permanent magnet 103 in dish-shaped yoke 102.
Permanent magnet 103 on one dish-shaped iron-less core coil 202 and a dish-shaped yoke 102 is relative, a dish-shaped iron-free
The generating of the dish-shaped yoke 102 of core coil 202 and one and one group of structure of composition of permanent magnet 103 thereon or electric module, one
Motor may include multigroup generating or electric module.
Connected between motor shaft 201 and housing 101 by bearing 3, it is real by bearing 3 between motor shaft 201 and housing 101
Now relatively rotate.Motor shaft 201 and iron-less core coil 202 is synchronous is relatively rotated with housing 101, namely permanent magnet 103 and
When iron-less core coil 202 is relatively rotated, iron-less core coil 202 does cutting magnetic induction line motion and produces electric current, now, and motor is generating
Machine.When iron-less core coil 202 is powered, phase interaction occurs for the permanent magnet 103 of the electromagnetic field that stator module is produced and rotor assembly
Firmly, drive shell 101 relatively rotates with motor shaft 201, now, and motor is motor.Motor includes rotary transformer
9, the rotating shaft of rotary transformer 9 is fixedly connected on housing 101, the angle corresponding with stator module for detecting rotor assembly
Degree.
Electric machine casing 101 is metal material, plays the role of armoured magnetic field, prevents magnetic field from leaking outside.
In order to realize the cooling of motor, the superconducting module of the present embodiment is same as Example 1, and here is omitted.
In order to carry out quick heat radiating to the heat of superconducting module, as shown in Fig. 9,10,12, the present embodiment includes being used for
The cooler 4 cooled down to superconducting module.Specifically, in the present embodiment, motor shaft 201 includes hollow cavity 2011,
Motor includes the cooler 4 being located in hollow cavity 2011, and the heat of superconducting module is transferred to cooling by motor shaft 201
Device 4.It is preferred that, cooler 4 is cylindrical shape, and cooler 4 is covered on the inwall of motor shaft 201, that is, the outer wall of cooler 4
Contacted with the inwall of motor shaft 201, there is water stream channel in cooler 4.It is connected with what is connected with water stream channel on cooler 4
Water inlet pipe 61 and outlet pipe 62, water inlet pipe 61 and outlet pipe 62 are drawn by hollow cavity 2011, and are connected with outer liquid cooling system
Connect.
It is preferred that, water stream channel is S types.As shown in fig. 7, being the water (flow) direction in cooler 4.
As shown in figure 8, the liquid cooling system of the present embodiment is same as Example 1, here is omitted.
In order to improve electric efficiency, the present embodiment is to the mounting means of permanent magnet 103 and the installation side of iron-less core coil 202
Formula is improved：
As shown in Fig. 9,10,11, dish-shaped yoke 102 is processed, dish-shaped yoke 102 in dish using high magnetic conductive metal material
Surface be provided with multiple rotor magnetic guiding loop locating slots, some rotors coaxial with housing 101 are provided with dish-shaped yoke 102
Magnetic guiding loop 104, rotor magnetic guiding loop 104 is installed on magnetic guiding loop locating slot, and the material of rotor magnetic guiding loop 104 is metal.Rotor magnetic conduction
Ring 104 is radially provided with some magnetic conduction bars 105, and rotor magnetic guiding loop 104 and magnetic conduction bar 105 form some grids, permanent magnet
103 are located in grid, and permanent magnet 103 magnetic pole same radially identical, i.e., be radially N poles same or be S
Pole, N poles and S poles are alternately distributed in same circumference.
Rotor magnetic guiding loop 104, magnetic conduction bar 105 and permanent magnet 103 are mounted in yoke 102, specifically, rotor magnetic guiding loop
104th, magnetic conduction bar 105 and permanent magnet 103 can be pasted in yoke 102 by high polymer material, and magnetic conduction bar 105 is fitted in permanent magnet
103 and rotor magnetic guiding loop 104 on, magnetic conduction bar 105 is fixed by screws in yoke 102.Rotor magnetic guiding loop 104, magnetic conduction bar 105
Mounting means with permanent magnet 103 is：One is first installed in yoke 102 and encloses permanent magnet 103, then mounts one and permanent magnet 103
Adjacent rotor magnetic guiding loop 104, then magnetic conduction bar 105 is installed, permanent magnet 103 and rotor magnetic guiding loop 104 are fitted in yoke 102
On；Attachment permanent magnet 103, rotor magnetic guiding loop 104, magnetic conduction bar 105 are further continued for, circulates successively, after installation, then uses macromolecule
Material is cast.
Outer rotor component is by yoke 102, rotor magnetic guiding loop 104, permanent magnet 103, magnetic conduction bar 105 and high polymer material group
Into.Separated between adjacent permanent magnet 103 by rotor magnetic guiding loop 104 and magnetic conduction bar 105, specifically, by leading between N poles and S poles
Magnetic stripe 105 is separated, and is separated between N poles and N poles or by rotor magnetic guiding loop 104 between S poles and S poles.Adjacent same sex N poles and
Between N poles permanent magnet 103, there is rotor magnetic guiding loop 104 to be separated by between adjacent same sex S poles and S poles, so, can make N poles and
N poles, the repulsion between S poles and S poles is changed into adhesive, again can export the magnetic field of repulsion, the axle of permanent magnet 204 is improved after export
To magnetic flux.Between adjacent different in nature N poles and S poles, provided with magnetic conduction bar 105, magnetic conduction bar 105 makes the polarity between N poles and S poles clear
Chu separates plays fixation again, rotor magnetic guiding loop 104 and the formation magnetic conduction grid of magnetic conduction bar 105.
The magnetic conduction grid of the present embodiment outer rotor component, makes the magnetic line of force formation focus of every group of magnetic pole, is aligned and penetrates outer
The magnetic conduction grid of stator module, as the high magnetic conduction rotor of combined type independence permanent magnetism.Make the magnetic flux of every group of magnetic pole than other permanent magnetism
The rotor magnetic flux of motor improves a lot, greatly reduces material cost.
Rotor magnetic guiding loop 104 uses metal material, and magnetic conduction bar 105 uses alloy material, and permanent magnet 103 is rare earth neodymium iron
Boron, samarium cobalt permanent magnet, Al-Ni-Co permanent magnet or iron oxygen permanent magnet, permanent magnet 103 can be cuboid or long shoe shape or trapezoidal.
As shown in figure 3, default sub-component includes stator magnetic guiding loop 203 corresponding with the rotor magnetic guiding loop 104 in yoke, it is fixed
The quantity of sub- magnetic guiding loop 203 is identical with the quantity of the rotor magnetic guiding loop 104 of yoke 102, the position of stator magnetic guiding loop 203 and yoke
The position of 102 rotor magnetic guiding loop 104 is corresponding.Stator magnetic guiding loop 203 is nonferrous alloy material.Specifically, wire is wound on
Iron-less core coil 202 is formed on stator magnetic guiding loop 203 and after high polymer material of casting.
Default sub-component is by iron-less core coil 202, stator magnetic guiding loop 203, superconducting module 5, high polymer material etc.
Composition.Each magnetic pole is connected to form by stator magnetic guiding loop 203, wire, referred to as magnetic conduction grid.The magnetic conduction grid of outer rotor component
There is accurate positioning with every lattice of default sub-component magnetic conduction grid per lattice.The magnetic pole N of every group of magnetic conduction grid of outer rotor component,
The relation of S, N pole corresponding in the axial direction with default sub-component magnetic conduction grid is very accurate between S poles.During generating, rotor
Rotate and produce induced electromotive force output induced-current with stator cutting magnetic line, stator winding.When electronic, pass through rotary transformer
Sense that the accurate location of each pair magnetic pole in rotor magnetic conduction grid and stator magnetic conduction grid is issued to instruct to electric machine controller, from
And control rotor to rotate.
The magnetic conduction grid of the present embodiment, further optimizes magnetic field structure, can be greatly reduced with permanent magnetism body weight, in same work(
Under rate compared with the iron-core less motor of other magnet structures, permanent magnet consumption only has half, greatly reduces the system of motor
Cause this.
The present embodiment stator module does not use ferrous material, does not have permanent magnet 103 directly to inhale on stator module
The position of conjunction, the magnetic line of force penetrates stator magnetic conduction grid, makes to produce bigger magnetic field by the magnetic conduction grid on stator, magnetic resistance is
Zero, without unnecessary loss, the only copper loss of stator winding in itself can play bigger mechanical efficiency.
Certainly, the motor shaft of multiple the present embodiment iron-core less motors is sequentially connected, and can form combined type iron-core less motor, can
To improve output power or generated energy.
Embodiment 3
As shown in figs. 13-17, the present embodiment and the difference of embodiment one are：The motor of the present embodiment includes two yokes 102
With two iron-less core coils 202, a yoke 102 and an iron-less core coil 202 are to be respectively provided with one group, each yoke 102
The relative permanent magnet 103 of being and not being iron-core coil 202.
The cooler 4 of the present embodiment is sleeved on the outer wall of motor shaft 201, and the heat of superconducting module is transferred directly to
Cooler 4, advantageously in the radiating of superconducting module.
Motor shaft 201, which has to be provided with through hole, cooler 4 on hollow cavity 2011, motor shaft 201, to be connected with and current
The water inlet pipe 61 and outlet pipe 62 of passage connection, water inlet pipe 61 and outlet pipe 62 after through hole from hollow cavity 2011 by drawing
Go out.
Iron-less core coil 202 is annular, and superconducting module 5 is also annular, and heat build-up bag 52 is located at iron-less core coil
202 inner edge, the first tubular contacted with heat build-up bag 52 that cooler 4 includes being located between heat build-up bag 52 and motor shaft 201 is cold
But portion 41 and the second dish-shaped cooling end 42 fitted with iron-less core coil 202.The first tubular cooling end 41 of the present embodiment and
The section of two dish-shaped cooling ends 42 is in T-shape.There is water stream channel in cooler 4.As shown in Figure 16,17, the present embodiment cooling
The both sides of device 4 are respectively arranged with an iron-less core coil 202 and a superconducting module 5, wherein, superconducting module 5
Between iron-less core coil 202 and cooler 4, for by the heat transfer of iron-less core coil 202 to cooler 4.
The implementation of other parts of the present embodiment is similar to Example 2, repeats no more.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. a kind of dish-style outer rotor iron-core less motor, it is characterised in that the motor includes outer rotor component and default sub-component,
The outer rotor component includes housing, the dish-shaped yoke in the housing and some permanent magnetism being installed in dish-shaped yoke
Body；The default sub-component includes motor shaft and the dish-shaped iron-less core coil on the motor shaft, the dish-shaped iron-core-free
Coil is relative with the permanent magnet；The motor includes superconducting module, the superconducting module and the dish-shaped iron-free
Core coil is contacted, for the heat derives for producing the dish-shaped iron-less core coil.
2. dish-style outer rotor iron-core less motor according to claim 1, it is characterised in that the superconducting module includes
Superconducting fluid is perfused with superconducting pipe and the heat build-up bag positioned at the superconduction tube end, the superconducting pipe and heat build-up bag.
3. dish-style outer rotor iron-core less motor according to claim 2, it is characterised in that the motor includes being used for institute
State in the cooler that superconducting module is cooled down, the cooler and be provided with water stream channel.
4. dish-style outer rotor iron-core less motor according to claim 3, it is characterised in that the motor shaft includes middle cavity
Body, the cooler is located in the hollow cavity, and the heat of the superconducting module is transferred to institute by the motor shaft
State cooler.
5. dish-style outer rotor iron-core less motor according to claim 4, it is characterised in that the cooler is cylindrical shape,
The cooler is covered on the inwall of the motor shaft, and the water inlet connected with the water stream channel is connected with the cooler
Pipe and outlet pipe, the water inlet pipe and outlet pipe are drawn by the hollow cavity.
6. dish-style outer rotor iron-core less motor according to claim 3, it is characterised in that the cooler is cylindrical shape,
It is set on the motor shaft, the heat transfer of the superconducting module to the cooler.
7. dish-style outer rotor iron-core less motor according to claim 6, it is characterised in that the motor shaft has middle cavity
It is provided with body, the motor shaft on through hole, the cooler and is connected with the water inlet pipe connected with the water stream channel and water outlet
Pipe, the water inlet pipe and outlet pipe after the through hole from the hollow cavity by drawing.
8. dish-style outer rotor iron-core less motor according to claim 6, it is characterised in that the cooler includes being located at and gathered
Heat is wrapped the contacted with the heat build-up bag first dish-shaped cooling end between the motor shaft and fitted with the iron-less core coil
The second dish-shaped cooling end.
9. the dish-style outer rotor iron-core less motor according to claim 1-8 any one, it is characterised in that the motor bag
Liquid cooling system is included, the liquid cooling system includes water stream channel, controller, temperature sensor, refrigerant circulation pump, medium circulation pipeline
And radiator；The medium circulation pipeline is connected with the water stream channel, and the temperature sensor is used to detect the iron-core-free
The temperature of coil is simultaneously sent to the controller, and the controller is used to output control signals to the refrigerant circulation pump and radiating
Device.
10. the dish-style outer rotor iron-core less motor according to claim 1-8 any one, it is characterised in that the dish
It is provided with some rotor magnetic guiding loops coaxial with the motor shaft in yoke, the magnetic guiding loop is radially provided with some lead
Magnetic stripe, the rotor magnetic guiding loop and magnetic conduction bar form some grids, and the permanent magnet is located in the grid of the dish-shaped yoke, and
The magnetic pole of the permanent magnet radially identical is alternately distributed same in same circumference；The default sub-component is led including stator
Magnet ring, the iron-less core coil is wound on the stator magnetic guiding loop, the stator magnetic guiding loop and described and rotor magnetic guiding loop
Position is relative.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710496066.8A CN107154721A (en) | 2017-06-26 | 2017-06-26 | A kind of dish-style outer rotor iron-core less motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710496066.8A CN107154721A (en) | 2017-06-26 | 2017-06-26 | A kind of dish-style outer rotor iron-core less motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107154721A true CN107154721A (en) | 2017-09-12 |
Family
ID=59795115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710496066.8A Withdrawn CN107154721A (en) | 2017-06-26 | 2017-06-26 | A kind of dish-style outer rotor iron-core less motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107154721A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111245147A (en) * | 2020-02-24 | 2020-06-05 | 东南大学 | Mixed cooling system of birotor stator yoke-free modular axial motor |
-
2017
- 2017-06-26 CN CN201710496066.8A patent/CN107154721A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111245147A (en) * | 2020-02-24 | 2020-06-05 | 东南大学 | Mixed cooling system of birotor stator yoke-free modular axial motor |
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