CN207098901U - A kind of dish-style double air gaps internal rotor iron-core less motor - Google Patents

Abstract

It the utility model is related to a kind of dish-style double air gaps internal rotor iron-core less motor, including internal rotor component and external stator component, internal rotor component includes motor shaft, at least one pair of the dish-shaped yoke being set on the motor shaft and some permanent magnets being installed on paired dish-shaped yoke opposite face；External stator component includes housing and at least one dish-shaped iron-less core coil in housing, and the number of dish-shaped iron-less core coil is identical with the logarithm of dish-shaped yoke, and a dish-shaped iron-less core coil is provided between the permanent magnet on a pair of dish-shaped yoke opposite faces；Motor includes superconducting module, and superconducting module includes the heat build-up bag that the hollow core conductor of coiling dish iron-less core coil connects with hollow core conductor, superconducting fluid is perfused with hollow core conductor and heat build-up bag.The heat moment of iron-less core coil passes to heat build-up bag, can be cooled rapidly, and radiating efficiency is high, and radiating mode of the present utility model disclosure satisfy that the radiating requirements of iron-less core coil.

Description

A kind of dish-style double air gaps internal rotor iron-core less motor

Technical field

Technical field of motors is the utility model is related to, is to be related to a kind of dish-style double air gaps internal rotor iron-core-free specifically Motor.

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, copper loss, and 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, has copper loss and iron The double losses of damage, also very big permanent-magnet magnetic resistance, appear to be on surface permanent magnet and core structure can relative energy-saving, but stator and Caused permanent-magnet magnetic resistance is again lost energy-saving power between rotor, 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 at present using less, key issue is that the cooling problem of motor can not solve, and hampers iron-core less motor Using.Particularly double air gaps iron-core less motor, stator winding are clipped in the middle by birotor, and very high skill is brought to motor radiating Art problem.

The content of the invention

The purpose of this utility model is to provide a kind of dish-style double air gaps internal rotor iron-core less motor solve existing iron-free The technical problem of core motor cooling.

In order to solve the above technical problems, the utility model is achieved using following technical scheme：

A kind of dish-style double air gaps internal rotor iron-core less motor, including internal rotor component and external stator component, the internal rotor Component includes motor shaft, at least one pair of the dish-shaped yoke being set on the motor shaft and is installed on paired dish-shaped yoke opposite face On some permanent magnets；The external stator component includes housing and at least one dish-shaped non-iron core wire in the housing Circle, the number of the dish-shaped iron-less core coil is identical with the logarithm of the dish-shaped yoke, on the pair of dish-shaped yoke opposite face Permanent magnet between be provided with a dish-shaped iron-less core coil；The motor includes superconducting module, and the vacuum surpasses Guide module includes the heat build-up bag that the hollow core conductor of dish-shaped iron-less core coil described in coiling connects with the hollow core conductor, described hollow Superconducting fluid is perfused with wire and heat build-up bag.

Dish-style double air gaps internal rotor iron-core less motor as described above, the housing include end cap, set in the end cap There is water stream channel, the superconducting module carries out heat exchange with the end cap.

As described above dish-style double air gaps internal rotor iron-core less motor, if the housing is by end cap and between end cap Do annular center disc to connect to be formed, formed between two neighboring center disc, between end cap and center disc adjacent thereto For installing the installation groove of the dish-shaped iron-less core coil, there is water stream channel, the superconducting in the center disc Module carries out heat exchange with the center disc.

Dish-style double air gaps internal rotor iron-core less motor as described above, the heat build-up bag are located at the dish-shaped iron-less core coil Outer rim, the heat build-up bag is relative with the position of the water stream channel.

Dish-style double air gaps internal rotor iron-core less motor as described above, the heat build-up bag are located in the installation groove.

Dish-style double air gaps internal rotor iron-core less motor as described above, the water stream channel of two neighboring center disc pass through company Adapter connection, the water stream channel of the end cap are connected with the water stream channel of adjacent center disc by connecting tube.

Dish-style double air gaps internal rotor iron-core less motor as described above, the water stream channel is Ω types.

Dish-style double air gaps internal rotor iron-core less motor as described above, the motor include liquid cooling system, the cold system of liquid System includes water stream channel, controller, temperature sensor, refrigerant circulation pump, medium circulation pipeline and radiator；The refrigerant circulation Pipeline connects with the water stream channel, and the temperature sensor is used for the temperature for detecting the iron-less core coil and sent to described Controller, the controller are used to output control signals to the refrigerant circulation pump and radiator.

Dish-style double air gaps internal rotor iron-core less motor as described above, be provided with the dish-shaped yoke it is some with it is described The coaxial rotor magnetic guiding loop of motor shaft, the magnetic guiding loop are radially provided with some magnetic conduction bars, the rotor magnetic guiding loop and lead Magnetic stripe forms some grids, and the permanent magnet is located in the grid of the dish-shaped yoke, and the magnetic pole of the permanent magnet is same It is radially identical to be alternately distributed in same circumference；The external stator component includes stator magnetic guiding loop, the iron-less core coil around System on the 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, the advantages of the utility model and good effect is：The utility model iron-core less motor includes Superconducting module, superconducting module include the hollow core conductor of coiling dish iron-less core coil and connected with hollow core conductor poly- Heat is wrapped, and superconducting fluid is perfused with hollow core conductor and heat build-up bag, at work, coil is directly logical by heat caused by electric current for motor Cross superconducting fluid and lead and give heat build-up bag, the heat moment of iron-less core coil passes to heat build-up bag, and the heat of iron-less core coil is only left very Small heat.Thus, the caused heat of iron-less core coil can be cooled rapidly, and radiating efficiency is high, of the present utility model to dissipate Hot mode disclosure satisfy that the radiating requirements of iron-less core coil.

The utility model motor greatly reduces volume, reduces weight, and entirely without magnetic resistance, efficiency high, moment of torsion is big, overloads Power is strong, small volume, in light weight.The utility model eliminates 100% tin plate compared with prior art, eliminates 30-40% copper Material, assemble no magnetic force interference.In machine applications, gear box structure can be eliminated, fully achieves straight drive.The utility model is big Mechanical structure is simplified greatly, the efficiency of motor brings up to more than 98%.Space flight, ship, submarine, industrial equipment, new energy can be used in The fields such as automobile, wind-power electricity generation, thermo-electric generation.

After the detailed description of the utility model embodiment is read in conjunction with the figure, other features and advantage of the present utility model It will become clearer.

Brief description of the drawings

Fig. 1 is the sectional view of the utility model specific embodiment motor.

Fig. 2 is the exploded view of the utility model specific embodiment motor.

Fig. 3 is the phantom of the utility model specific embodiment iron-less core coil and center disc.

Fig. 4 is the schematic diagram of the utility model specific embodiment permanent magnet and rotor magnetic guiding loop.

Fig. 5 is the schematic diagram of the utility model specific embodiment center disc and end cap.

Fig. 6 is the water (flow) direction schematic diagram in the utility model specific embodiment water stream channel.

Fig. 7 is the schematic diagram of the utility model specific embodiment superconducting module section.

Fig. 8 is the schematic diagram of the utility model specific embodiment liquid cooling system.

Fig. 9 is the sectional view of the utility model specific embodiment combined type iron-core less motor.

Embodiment

Specific embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.

As shown in Figure 1-2, the present embodiment proposes a kind of dish-style double air gaps internal rotor iron-core less motor, and it is outer fixed that motor includes Sub-component and internal rotor component.So-called internal rotor, the housing for referring to external stator component are fixed positions, whole external stator component It is in a fixed position, the motor shaft of internal rotor component is rotary, and whole internal rotor component is rotary.

Internal rotor component includes motor shaft 101, at least one pair of the dish-shaped yoke 102 being installed on motor shaft 101 and installation In in pairs to some permanent magnets 103 on dish-shaped yoke opposite face.The present embodiment includes being set in 5 dishes on motor shaft 101 Yoke 102, two neighboring dish-shaped yoke 102 are formed a pair, and 5 dish-shaped yokes 102 are sequentially arranged on motor shaft 101, form 4 It is right, some permanent magnets 103 are mounted on the opposite face of each pair dish yoke 102, and on the opposite face of each pair dish yoke 102 In permanent magnet 103, N poles are extremely relative with S, and S poles are extremely relative with N.Also, the magnetic pole of the permanent magnet 103 in same yoke 102 exists It is same radially identical, i.e., it is radially N poles same or is S poles, N poles and S poles is alternately distributed in same circumference.

External stator component includes housing 201 and at least one dish-shaped iron-less core coil 202 in housing 201.Dish The number of 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 housing On 201, a dish-shaped iron-less core coil 202 is provided between the permanent magnet 103 of a pair of dish-shaped opposite faces of 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 Core coil 202 and two dish-shaped yokes 102 and permanent magnet 103 thereon form generating or the electric module of one group of structure, one Motor may include multigroup generating or electric module.

Connected between housing 201 and motor shaft 101 by bearing 3, it is real by bearing 3 between housing 201 and motor shaft 101 Now relatively rotate.Housing 201 and iron-less core coil 202 is synchronous is relatively rotated with motor shaft 101, namely permanent magnet 103 and When iron-less core coil 202 relatively rotates, iron-less core coil 202 does cutting magnetic induction line motion and produces electric current, and now, motor is generating Machine.When iron-less core coil 202 is powered, phase interaction occurs for the permanent magnet 103 of electromagnetic field caused by stator module and rotor assembly Firmly, drive motor shaft 101 relatively rotates with housing 201, and now, motor is motor.Motor includes rotary transformer 9, the rotating shaft of rotary transformer 9 is fixedly connected on motor shaft 101, for detecting rotor assembly and the corresponding angle of stator module Degree.

Housing 201 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 motor of the present embodiment includes superconducting module, as shown in fig. 7, superconducting The heat build-up bag 52 that module includes the hollow core conductor 51 of coiling dish iron-less core coil and is connected with hollow core conductor 51, hollow core conductor 51 Insulating barrier including metallic core and coated metal core body, metallic core are hollow-core construction, the hollow-core construction of hollow core conductor 51 and Superconducting fluid is perfused with heat build-up bag 52.Specifically, the metallic core of hollow core conductor 51 uses hollow-core construction, metallic core it is hollow Structure is connected with heat build-up bag 52, and metallic core extracts vacuum out, heat build-up mouth is sealed after injecting superconducting fluid, then passes through through mould die mould Insulating process processing is wound on stator magnetic guiding loop 203 after forming insulating barrier, high polymer material of then casting, and high polymer material is excellent Nano material is selected, heat build-up bag 52 is located at the outer rim of dish-shaped iron-less core coil 202.When motor operationally, hollow core conductor 51 has greatly Electric current by when, caused heat will instantaneous expansion reaction, heat led to heat build-up bag 52.

When motor only has a pair of magnetic yoke 102, housing 201 can be spliced to form by two end caps 2011.

In the present embodiment, some annular center discs 2012 of the housing 201 by end cap 2011 and between end cap 2011 Connection is formed.The installation groove for installing iron-less core coil is formed between end cap 2011 and center disc 2012 adjacent thereto 4, the installation groove 4 for installing iron-less core coil is formed between two neighboring center disc 2012.End cap 2011 has tubular The section in portion and dish-shaped portion, cylindrical part and dish-shaped portion is L-shaped；Center disc 2012 has cylindrical part and a dish-shaped portion, cylindrical part and The section in dish-shaped portion is T-shaped.

In order to carry out quick heat radiating to the heat of heat build-up bag 52, as shown in Fig. 1,3,5, set in the present embodiment end cap 2011 There is water stream channel 2013, superconducting module carries out heat exchange with end cap 2011.Preferably, water stream channel 2013 is Ω types, is gathered Heat bag 52 is located at the outer rim of iron-less core coil 202, and heat build-up bag 52 is located in installation groove 4, and water stream channel 2013 is located at turning for L-type At angle, the position of water stream channel 2013 is relative with the position of heat build-up bag 52, in favor of the radiating of heat build-up bag 52.Center disc 2012 Water stream channel 2013 is inside also equipped with, superconducting module carries out heat exchange with center disc 2012.Preferably, water stream channel 2013 be Ω types, and heat build-up bag 52 is located at the outer rim of iron-less core coil 202, and heat build-up bag 52 is located in installation groove 4, water stream channel 2013 positioned at T-shaped | and place, the position of water stream channel 2013 is relative with the position of heat build-up bag 52, in favor of the radiating of heat build-up bag 52. Wherein, the heat build-up bag 52 of the iron-less core coil 202 adjacent with center disc 2012 passes through the water stream channel on center disc 2012 2013 are radiated, and the heat build-up bag 52 of the iron-less core coil 202 adjacent with end cap 2011 passes through end cap 2011 and adjacent thereto The water stream channel 2013 of center disc 2012 is radiated.

Thus, the heat of heat build-up bag 52 is transferred to rapidly water stream channel 2013, and heat is by the cooling in water stream channel 2013 Liquid circulation export.

As shown in figure 5, for the ease of realizing circulating for coolant, the water stream channel of two neighboring center disc 2012 2013 are connected by connecting tube 2014, the water stream channel of the water stream channel 2013 of end cap 2011 and adjacent center disc 2012 2013 are connected by connecting tube 2014.As shown in fig. 6, it is the water (flow) direction schematic diagram in housing 201.

As shown in fig. 6, the water inlet pipe 61 and outlet pipe 62 connected with water stream channel 2013 is connected with end cap 2011.

As shown in figure 8, the motor of the present embodiment includes liquid cooling system, liquid cooling system include water stream channel 2013, controller, Temperature sensor, refrigerant circulation pump, medium circulation pipeline and radiator；The water inlet pipe 61 of medium circulation pipeline and end cap 2011 and Outlet pipe 62 connects, and refrigerant circulation pump and radiator are located in medium circulation pipeline.Temperature sensor is used to detect non-iron core wire The temperature of circle is simultaneously sent to controller, and controller is used to output control signals to refrigerant circulation pump and radiator.In TEMP When the temperature of device detection iron-less core coil is higher than design temperature, controller control refrigerant circulation pump and radiator work, with quick The temperature of iron-less core coil is reduced, when the temperature of temperature sensor detection iron-less core coil is less than design temperature, illustrates iron-free Heat is few caused by core coil, and now, controller control refrigerant circulation pump and radiator are stopped.It is preferred that in refrigerant circulation The fluid reservoir for storing refrigerant is connected with 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. 1,2,4, dish-shaped yoke 102 is process, dish-shaped yoke in dish using high magnetic conductive metal material 102 surface is provided with multiple rotor magnetic guiding loop locating slots, is provided with dish-shaped yoke 102 some coaxial with motor shaft 101 Rotor 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.Turn Sub- magnetic guiding loop 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 is located in grid, and the magnetic pole of permanent magnet 103 is same radially identical, i.e., it is same be radially N poles or It is 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：The first circle of installation one permanent magnet 103 in yoke 102, then mount 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；It is further continued for mounting permanent magnet 103, rotor magnetic guiding loop 104, magnetic conduction bar 105, circulates successively, after installation, then use macromolecule Material is cast.

Internal 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 separates, 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 There is rotor magnetic guiding loop 104 to be separated by between same sex S poles and S poles between N poles permanent magnet 103, adjacent, so, can make N poles and N poles, the repulsion between S poles and S poles are changed into adhesive, and the enough magnetic field by repulsion of and can is exported, and 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, and rotor magnetic guiding loop 104 and magnetic conduction bar 105 form magnetic conduction grid.

The present embodiment internal rotor component makes the magnetic line of force of each pair magnetic pole form focus, alignment is simultaneously due to using magnetic conduction grid The magnetic conduction grid of external stator 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 is returned 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 for turning into permanent magnet independence turns Son.The magnetic flux of each pair magnetic pole is improved much 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, external stator 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, hollow core conductor 51 It is wound on stator magnetic guiding loop 203 and iron-less core coil 202 is formed after high polymer material of casting.

External stator component is by superconducting hollow core conductor 51, the composition such as stator magnetic guiding loop 203, high polymer material.Each Magnetic pole is connected to form by stator magnetic guiding loop 203, hollow core conductor 51, referred to as magnetic conduction grid.The magnetic conduction grid of internal rotor component it is every Every lattice of lattice and external stator component magnetic conduction grid have accurately positioning.Magnetic pole N, S of every group of magnetic conduction grid of internal rotor component The relation of S, N pole corresponding in the axial direction with external stator component magnetic conduction grid is very accurate between pole.During generating, rotor turns It is dynamic to produce induced electromotive force output induced-current with stator cutting magnetic line, stator winding.When electronic, pass through rotary transformer sense Instruction should be issued to the accurate location of each pair magnetic pole in rotor magnetic conduction grid and stator magnetic conduction grid to electric machine controller, so that Control rotor rotation.

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 dosage 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, the stator magnetic conduction grid being clipped among birotor is penetrated, makes to lead to The magnetic conduction grid crossed on stator produces bigger magnetic field, magnetic resistance zero, without unnecessary loss, the only copper of stator winding in itself Damage, can play bigger mechanical efficiency.

Certainly, as shown in figure 9, the motor shaft of multiple iron-core less motors is sequentially connected, combined type iron-core less motor can be formed, Output power or generated energy can be improved.

Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that： It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc. With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology The spirit and scope of scheme.

Claims (10)

1. a kind of dish-style double air gaps internal rotor iron-core less motor, it is characterised in that the motor includes internal rotor component and outer fixed Sub-component, the internal rotor component include motor shaft, at least one pair of the dish-shaped yoke being set on the motor shaft and are installed on Some permanent magnets on paired dish-shaped yoke opposite face；The external stator component include housing and in the housing at least One dish-shaped iron-less core coil, the number of the dish-shaped iron-less core coil is identical with the logarithm of the dish-shaped yoke, the pair of A dish-shaped iron-less core coil is provided between permanent magnet on dish-shaped yoke opposite face；The motor includes superconducting Module, the superconducting module include what the hollow core conductor of dish-shaped iron-less core coil described in coiling connected with the hollow core conductor Superconducting fluid is perfused with heat build-up bag, the hollow core conductor and heat build-up bag.

2. dish-style double air gaps internal rotor iron-core less motor according to claim 1, it is characterised in that the housing includes end Cover, water stream channel is provided with the end cap, the superconducting module carries out heat exchange with the end cap.

3. dish-style double air gaps internal rotor iron-core less motor according to claim 2, it is characterised in that the heat build-up bag is located at The outer rim of the dish-shaped iron-less core coil, the heat build-up bag are relative with the position of the water stream channel.

4. dish-style double air gaps internal rotor iron-core less motor according to claim 2, it is characterised in that the housing is by end cap And some annular center discs between end cap connect to be formed, there is water stream channel, the vacuum in the center disc Superconduction module carries out heat exchange with the center disc.

5. dish-style double air gaps internal rotor iron-core less motor according to claim 4, it is characterised in that the heat build-up bag is located at The outer rim of the dish-shaped iron-less core coil, the heat build-up bag are relative with the position of the water stream channel.

6. dish-style double air gaps internal rotor iron-core less motor according to claim 5, it is characterised in that in two neighboring indirectly The installation groove for installing the dish-shaped iron-less core coil is formed between disk, between end cap and center disc adjacent thereto, The heat build-up bag is located in the installation groove.

7. dish-style double air gaps internal rotor iron-core less motor according to claim 4, it is characterised in that in two neighboring indirectly The water stream channel of disk is connected by connecting tube, and the water stream channel of the water stream channel of the end cap and adjacent center disc passes through company Adapter connection.

8. the dish-style double air gaps internal rotor iron-core less motor according to claim 2-7 any one, it is characterised in that described Water stream channel is Ω types.

9. the dish-style double air gaps internal rotor iron-core less motor according to claim 1-7 any one, it is characterised in that described Motor includes liquid cooling system, and the liquid cooling system includes water stream channel, controller, temperature sensor, refrigerant circulation pump, refrigerant and followed Endless tube road and radiator；The medium circulation pipeline connects with the water stream channel, and the temperature sensor is described for detecting The temperature of iron-less core coil is simultaneously sent to the controller, and the controller is used to output control signals to the refrigerant circulation pump And radiator.

10. the dish-style double air gaps internal rotor iron-core less motor according to claim 1-7 any one, it is characterised in that institute State and some rotor magnetic guiding loops coaxial with the motor shaft are provided with dish-shaped yoke, the magnetic guiding loop is radially provided with Some magnetic conduction bars, the rotor magnetic guiding loop and magnetic conduction bar form some grids, and the permanent magnet is located at the net of the dish-shaped yoke In lattice, and the magnetic pole of the permanent magnet radially identical is alternately distributed same in same circumference；The external stator component bag Stator magnetic guiding loop is included, the iron-less core coil is wound on the stator magnetic guiding loop, and the stator magnetic guiding loop is led with the rotor The position of magnet ring is relative.