CN207251327U - A kind of complex superposition magnetic circuit permanent magnet DC brushless motor - Google Patents
A kind of complex superposition magnetic circuit permanent magnet DC brushless motor Download PDFInfo
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- CN207251327U CN207251327U CN201721342694.2U CN201721342694U CN207251327U CN 207251327 U CN207251327 U CN 207251327U CN 201721342694 U CN201721342694 U CN 201721342694U CN 207251327 U CN207251327 U CN 207251327U
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Abstract
The utility model discloses a kind of complex superposition magnetic circuit permanent magnet DC brushless motor, including stator and the rotor being installed in stator, the rotor includes M sections of single-turn daughter assemblies and shaft, M sections of single-turn daughter assemblies are serially connected in shaft, rotor spacer ring is also set up between adjacent two sections of single-turns daughter assembly, every section of single-turn daughter assembly includes rotor block and the rotor permanent magnet watt being fixed on rotor block outer round surface；The stator includes M sections of list field frame assemblies and magnetic conduction casing, and stator spacer ring is set between adjacent two sections single field frame assemblies, and one section of single-turn daughter assembly is corresponded to inside every section of single field frame assembly, and adjacent two sections single field frame assemblies pass through magnetic conduction casing and form permanent magnet circuit.For the utility model by above-mentioned principle, formation meets permanent magnet circuit, realizes that the superposition of electromagnetism and permanent magnetism is strengthened, and motor is had a low-power consumption, large torque, the wide fast superior comprehensive performance than, Ultra-High Efficiency.
Description
Technical field
It the utility model is related to permanent magnet DC brushless motor field, and in particular to a kind of complex superposition magnetic circuit Permanent magnet DC
Brushless motor.
Background technology
Existing permanent magnet direct current motor is roughly divided into two major classes, and one kind is permanent-magnet stator, and electromagnetic rotor is main using biography
The commutator brush of system is controlled operation, is commonly called as permanent magnet brush dc motor.Another kind of is electromagnetic stator p-m rotor, is adopted
Operation is controlled with position sensor control drive circuit, is commonly called as brushless, permanently excited direct current motor.Permanent magnet direct current motor is wide
It is general to be used for the fields such as small household appliances, motorcycle, automobile, ship, aviation, precision machine tool.Two class permanent magnet direct current motor of the above has one
Common ground, stator and rotor can only the permanent magnetics that are provided using permanent magnet of one of them part.Through long-term technology progress at it
Make great progress in material, technique and control method.But substantive breakthroughs are never had in terms of improving permanent magnetic, cause
The efficiency of existing all kinds of permanent magnet direct current motors improves critical constraints.
Utility model content
Technical problem to be solved in the utility model be realize electromagnetism and permanent magnetism on motor superposition, and it is an object of the present invention to provide
A kind of complex superposition magnetic circuit permanent magnet DC brushless motor, forms composite permanet magnet circuit, realizes the superposition of electromagnetic field and permanent magnetic field
Strengthen, make motor that to there is low-power consumption, large torque, the wide fast superior comprehensive performance than, Ultra-High Efficiency.
The utility model is achieved through the following technical solutions：
A kind of complex superposition magnetic circuit permanent magnet DC brushless motor, including stator and the rotor that is installed in stator, it is described
Rotor includes M sections of single-turn daughter assemblies and shaft, and M sections of single-turn daughter assemblies are serially connected in shaft, adjacent two sections of single-turn daughters
Rotor spacer ring is also set up between assembly, every section of single-turn daughter assembly includes rotor block and be fixed on rotor block outer round surface to turn
Sub- permanent magnetic tile；The stator includes M section single field frame assemblies and magnetic conduction casing, between adjacent two sections single field frame assemblies setting stator every
Ring, every section of single corresponding one section of single-turn daughter assembly in field frame assembly inside, every section of single field frame assembly include stator core and are fixed on
Stator core permanent magnet on stator core outside diameter, stator core permanent magnet on adjacent two sections of single field frame assemblies incorgruous magnetic each other
Pole, adjacent two sections single field frame assemblies form permanent magnet circuit by magnetic conduction casing.
The pole of adjacent rotor permanent magnetic tile is to each other on the contrary, rotor permanent magnet watt and the fixation of rotor block use dovetail in this programme
Groove inlays fixation, while smears heat-resistant high-strength epoxy adhesive curing, to ensure its enough mechanical strength.Rotor is adopted in this programme
With multistage assembling structure, each section of single-turn daughter assembly is unified structure, size, and the short single-turn daughter assembly structure of multistage makes rotor forever
Technique, performance and the manufacture cost of magnetic shoe more optimize, while are easy to maintaining.
Segments in a circular shape stator in this programme, stator core permanent magnet are along magnetic conduction chassis axial and adjacent heteropole to stator iron
Core permanent magnet, segments in a circular shape stator form permanent magnet circuit, make each section of single field frame assembly that monopole direction be presented in off working state
Permanent magnet, the magnetic pole of the stator core on adjacent two sections of single field frame assemblies exists on the contrary, foring each section of single field frame assembly each other
Radially, axially at the same time present not homopolarity to composite permanet magnet circuit, be motor operation when electromagnetism and permanent magnetism superposition reinforcing provide
Necessary requirement, realizes that the superposition of electromagnetism and permanent magnetism is strengthened, motor is had low-power consumption, and large torque, wide speed compare, Ultra-High Efficiency
Superior comprehensive performance, and such existing motor can not be realized.The structure of multistage list field frame assembly makes each section of single field frame assembly
It is more reasonable to permanent magnet circuit by the heteropole that magnetic conduction casing is formed, and reduce the leakage field consumption of permanent magnet circuit to greatest extent
Damage.Independent rotor permanent magnet watt and stator core permanent magnet are segmented because length significantly shortens, makes the optimization of its manufacturing process, be produced into
This is more reasonable.The arc tiles space formed between stator core, stator core permanent magnet and magnetic conduction casing uses aluminum similar shape
Inserts is embedded in, and the inside and outside curved surfaces and magnetic conduction casing internal diameter, stator core of inserts are cylindrical using excessively coordinating, with each component of profit
Be accurately positioned and structural strength, while beneficial to by motor internal temperature rise heat conduct to casing radiating fin radiate.
Preferably, when motor is in off working state, monopole side is presented in the stator core on every section of single field frame assembly
To permanent magnet, the magnetic pole of the stator core on adjacent two sections of single field frame assemblies is opposite each other.
Preferably, the value of M is the natural number more than or equal to 2.Single-turn daughter assembly and single field frame assembly segmentation count up to
Exactly the same, section length is identical, 6-10mm spacing is taken between every section of single field frame assembly and with non magnetic material that is heat-resisting, insulating
Material isolation, to ensure on the stator core permanent magnet and adjacent segment list field frame assembly outside diameter of the single field frame assembly external diameter surface of each segmentation
The magnetic line of force from heteropole to stator permanent magnet can only through magnetic conduction casing formed stator permanent magnet circuit, prevent magnetic line of force short circuit from causing
Magnetic force line attenuation.
Preferably, it is uniformly distributed K embedding teeth groove on the internal diameter of the stator core, the embedding tooth on each stator core
Slot number amount, form and direction all same, the value of K=24+4n, n be include zero positive integer.
Single independent electromagnetic coil is embedded in each embedding teeth groove of stator core, electromagnetic coil is using double-deck embedding
Line, double-deck embedding stagger in embedded embedding teeth groove, and each independent electromagnetic coil passes through lead-out wires of coil and the brushless control of motor
Device connection processed.Using double-deck embedding, the valid lines consumption for reducing cross-slot end turn is wasted, improved absolute coil in this programme
The effective rate of utilization of electromagnetic wire, significantly reduces line loss and the stray loss of end coil, at the same reduce electromagnetic wire consume into
Originally main screw lift, is reduced.The absolute coil being wound in each embedding teeth groove of stator core connects the output of motor brushless controller
Different phase sequences, different directions electric current when, formed on each stator core not homopolarity to electromagnetic field, pass through single field frame assembly yoke
Portion forms electromagnetic circuit with the incorgruous pole field on adjacent stator core, while forms pole to the permanent magnet circuit of single field frame assembly
To induction, deflect and with homopolarity to permanent magnetic field be overlapped reinforcings, pass through single field frame assembly yoke portion, magnetic conduction casing and adjacent
Incorgruous magnetic pole forms electromagnetic permanent magnet combined superposition and strengthens magnetic fields and rotor, produces the torque much larger than simple electromagnetic drive,
The driving rotor rotation acting of suction and repulsion square is produced to the multisegmented rotor permanent magnetic tile on rotor.
When the electromagnetic coil in each embedding teeth groove of stator is powered in different directions caused electromagnetic field then with magnetic pole side
Answer more more powerful than the simple electromagnetic field of the prior art is showed after being overlapped to identical stator built-in line teeth groove permanent magnetic field
Close superposition magnetic field, and act on rotor permanent magnet field and produce more powerful kinetic energy and export.Compared with the similar motor of the prior art,
With low-power consumption, large torque, wide speed than, Ultra-High Efficiency superior comprehensive performance.The design of single embedding teeth groove independent electromagnetic coil
Reduce the both ends length of coil to greatest extent, reduce copper wire loss and idle line loss and the both ends dispersion loss of line group,
And to provide primary condition by pole commutation by phase.
Preferably, on all single field frame assemblies, the independent electromagnetic coil in each embedding teeth groove of embedded stator core leads to
When electric, the homopolarity of generation can be overlapped reinforcing to electromagnetic field, and the related embedding teeth groove for forming each section of single field frame assembly is different
Pole to complex superposition magnetic circuit.
Preferably, rear end cap is also set up on the magnetic conduction casing, the tail end of shaft through rear end cap also sets up external
Commutate magnetic drum, and HL stents are also installed on the male half coupling of rear end cap, and HL elements are installed on HL stents, extraction is provided with HL elements
Line, lead-out wire are also connected with motor brushless controller, and motor brushless controller is used to receive rotor position information, and according to phase sequence
Electric current commutation is carried out, forms alternating magnetic field, the cylindrical upper installation HL shields of HL stents.Commutation magnetic drum in shaft is by rotor-position
Signal gives motor brushless controller through HL element transmissions, and carries out in due course earth-current commutation by phase sequence, forms alternating magnetic field, makes to turn
Continuously output is much larger than the ultra high power that simple electromagnetic field drives to axis.The utility model using multiphase power supply mode drive, when turn
When son and stator are in commutation position, position signal is transmitted to the drive on motor brushless controller by the HL sensors on HL elements
The electric current of dynamic control circuit output correlation phase sequence and related direction produces electromagnetic field and superposition field drives rotor is rotated to next
Commutation position, the rotating excitation field driving rotor formed in cycles are continuously run.HL elements are arranged at the HL stents of tail end cap
Upper and corresponding with commutation magnetic drum, HL stents can be finely tuned to optimum reversing position along rear end cap concentric circles seam allowance as circumferencial direction,
The HL shields protection of HL stents and the magnetic drum irony that commutates, effectively carries out isolated screen to the temperature and spuious magnetic wave of motor internal
Cover, while easy to debugging and safeguard.Motor brushless controller in this programme using technology maturation the commutation of position sensing full-bridge,
The permanent magnet DC motor brushless controller of chopper control, it is ensured that system operation it is reliable and stable.The commutation magnetic drum of external makes it
Manufacture, install, debug and safeguard enhanced convenience, while be effectively isolated the temperature rise of motor internal, the shadow of alternating magnetic field clutter
Ring, its stability run, reliability are high.HL shields are made of ferrous material, for isolating in extraneous dust, steam and machine
The influence of temperature rise, alternating magnetic field to HL elements.
Preferably, rotor lightening hole is set on the rotor block on every section of single-turn daughter assembly.In shaft and rotor permanent magnet watt
Between the lightening hole that designs of room part, it is effective mitigate 30% rotor weight, reduce ineffective power consumption and main screw lift.
Preferably, the number of poles of every section of single-turn daughter assembly upper rotor part permanent magnetic tile is embedding teeth groove number on each single field frame assembly
1/2.
Preferably, radiator fan is also installed in the shaft on the outside of HL shields, the outside of radiator fan also sets up fan shield
Cover.The high-speed flow that radiator fan is produced with shaft operating is under the fan shroud water conservancy diversion being arranged on magnetic conduction casing end outer
High-speed flow through casing radiating fin take away motor operating produce heat.
The utility model compared with prior art, has the following advantages and advantages：
1st, segments in a circular shape stator in this programme, stator core permanent magnet are along magnetic conduction chassis axial and adjacent heteropole to stator
Iron core permanent magnet, segments in a circular shape stator form permanent magnet circuit, make each section of single field frame assembly that monopole side be presented in off working state
To permanent magnet, the magnetic pole of the stator core on adjacent two sections of single field frame assemblies is on the contrary, form each section of single field frame assembly in footpath
To, it is axial present at the same time not homopolarity to composite permanet magnet circuit, when being motor operation the superposition reinforcing of electromagnetism and permanent magnetism provide
Necessary requirement, realizes that the superposition of electromagnetism and permanent magnetism is strengthened, and has a low-power consumption, large torque, the wide fast superior synthesis than, Ultra-High Efficiency
Performance, and such existing motor can not be realized.
2nd, the structure of multistage list field frame assembly makes the heteropole that each section of single field frame assembly is formed by magnetic conduction casing in this programme
It is more reasonable to permanent magnet circuit, and reduce the leakage field consume of permanent magnet circuit to greatest extent；It is segmented independent rotor permanent magnet watt
And stator core permanent magnet significantly shortens because of length, make the optimization of its manufacturing process, production cost more reasonable.
3rd, single independent electromagnetic coil is embedded in this programme in each embedding teeth groove of stator core, electromagnetic coil is pressed
Phase sequence of powering is using double-deck embedding, and using double-deck embedding, the valid lines consumption for reducing cross-slot end turn is wasted, carried absolute coil
The high effective rate of utilization of electromagnetic wire, significantly reduces line loss and the stray loss of end coil, while reduce electromagnetic wire consumption
With cost, reduce main screw lift；Caused electromagnetic field when electromagnetic coil in each embedding teeth groove of stator is powered in different directions
Then the stator built-in line teeth groove permanent magnetic field identical with pole orientation showed after being overlapped than the prior art simple electromagnetic field more
For powerful complex superposition magnetic field, and act on rotor permanent magnet field and produce more powerful kinetic energy and export；It is same with the prior art
Class motor is compared, and has a low-power consumption, large torque, wide speed than, Ultra-High Efficiency superior comprehensive performance.
4th, the commutation magnetic drum in this programme in shaft gives rotor-position signal to motor brushless controller through HL element transmissions,
And in due course earth-current commutation is carried out by phase sequence, alternating magnetic field is formed, shaft is continuously exported much larger than the driving of simple electromagnetic field
Ultra high power.
5th, the motor brushless controller in this programme uses the position sensing full-bridge commutation of technology maturation, chopper control forever
Magnetic DC motor brushless controller, it is ensured that system operation it is reliable and stable；The commutation magnetic drum of external makes its manufacture, installation, adjusts
Try and safeguard enhanced convenience, while be effectively isolated the temperature rise of motor internal, the influence of alternating magnetic field clutter, it runs steady
It is qualitative, reliability is high.HL shields are made of ferrous material, for isolating extraneous dust, temperature rise, alternating magnetic field in steam and machine
Influence to HL elements.
6th, this programme lightening hole that room part is designed between shaft and rotor permanent magnet watt, effective mitigation 30% turn
Sub- weight, reduces ineffective power consumption and main screw lift.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, does not form the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is the utility model structure diagram；
Fig. 2 be rotor stepping rotate embedding teeth groove apart from when, A section and C sections list field frame assemblies were being run in Fig. 1
Simulation dynamic rotation field in journey and be superimposed magnetic circuit, electromagnetic circuit and be superimposed the magnetic line of force production of magnetic circuit, distribution schematic diagram A,
C-I；
Fig. 3 be rotor stepping rotate embedding teeth groove apart from when, A section and C sections list field frame assemblies were being run in Fig. 2
Simulation dynamic rotation field in journey and be superimposed magnetic circuit, electromagnetic circuit and be superimposed the magnetic line of force production of magnetic circuit, distribution schematic diagram A,
C-II；
Fig. 4 be rotor stepping rotate embedding teeth groove apart from when, A section and C sections list field frame assemblies were being run in Fig. 3
Simulation dynamic rotation field in journey and be superimposed magnetic circuit, electromagnetic circuit and be superimposed the magnetic line of force production of magnetic circuit, distribution schematic diagram A,
C-III；
Fig. 5 be rotor stepping rotate embedding teeth groove apart from when, A section and C sections list field frame assemblies were being run in Fig. 4
Simulation dynamic rotation field in journey and be superimposed magnetic circuit, electromagnetic circuit and be superimposed the magnetic line of force production of magnetic circuit, distribution schematic diagram A,
C-IV；
Fig. 6 be rotor stepping rotate embedding teeth groove apart from when, B section and D sections list field frame assemblies were being run in Fig. 1
Magnetic line of force production, the distribution signal of a simulation dynamic rotation field and superposition magnetic circuit, electromagnetic circuit and superposition magnetic circuit in journey
Scheme B, D-I；
Fig. 7 be rotor stepping rotate embedding teeth groove apart from when, B section and D sections list field frame assemblies are being run in Fig. 6
During one simulation dynamic rotation field and be superimposed magnetic circuit, electromagnetic circuit and be superimposed magnetic circuit the magnetic line of force production, distribution show
It is intended to B, D-II；
Fig. 8 be rotor stepping rotate embedding teeth groove apart from when, B section and D sections list field frame assemblies are being run in Fig. 7
During one simulation dynamic rotation field and be superimposed magnetic circuit, electromagnetic circuit and be superimposed magnetic circuit the magnetic line of force production, distribution show
It is intended to B, D-III；
Fig. 9 be rotor stepping rotate embedding teeth groove apart from when, B section and D sections list field frame assemblies are being run in Fig. 8
During one simulation dynamic rotation field and be superimposed magnetic circuit, electromagnetic circuit and be superimposed magnetic circuit the magnetic line of force production, distribution show
It is intended to B, D-IV；
Figure 10 is that magnetic field is strengthened in each embedding teeth groove normality electromagnetic field and superposition on A, B, C, D sections of single field frame assemblies in Fig. 1
Simulate the displaying figure of DYNAMIC DISTRIBUTION, each mutually commutation and the rotating excitation field of signal two-phase power supply formed evolution process A, B of relation, C,
D-I；
Figure 11 is that magnetic field is strengthened in each embedding teeth groove normality electromagnetic field and superposition on A, B, C, D sections of single field frame assemblies in Fig. 1
Simulate the displaying figure of DYNAMIC DISTRIBUTION, each mutually commutation and the rotating excitation field of signal two-phase power supply formed evolution process A, B of relation, C,
D-II；
Figure 12 is that magnetic field is strengthened in each embedding teeth groove normality electromagnetic field and superposition on A, B, C, D sections of single field frame assemblies in Fig. 1
Simulate the displaying figure of DYNAMIC DISTRIBUTION, each mutually commutation and the rotating excitation field of signal two-phase power supply formed evolution process A, B of relation, C,
D-III；
Figure 13 is that magnetic field is strengthened in each embedding teeth groove normality electromagnetic field and superposition on A, B, C, D sections of single field frame assemblies in Fig. 1
Simulate the displaying figure of DYNAMIC DISTRIBUTION, each mutually commutation and the rotating excitation field of signal two-phase power supply formed evolution process A, B of relation, C,
D-IV。
Mark and corresponding parts title in attached drawing：
1st, magnetic conduction casing；2nd, casing radiating fin；3rd, stator core permanent magnet；4th, stator core；5th, stator spacer ring；6th, front end
Lid；7th, preceding end bearing；8th, rear end cap；9th, rear end bearing；10th, shaft；11st, rotor block；12nd, rotor permanent magnet watt；13rd, rotor every
Circle；14th, rotor lightening hole；15th, rotor and cap；16th, electromagnetic coil；17th, lead-out wires of coil；18th, HL lead-out wires；19th, commutate magnetic
Drum；20th, HL elements；21st, HL stents；22nd, HL shields；23rd, radiator fan；24th, fan shroud；A, B, C, D are the single stator of segmentation
Assembly code name.
Embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model, is not intended to limit the scope of the present invention.
Embodiment 1：
As shown in figures 1-13, the utility model includes a kind of complex superposition magnetic circuit permanent magnet DC brushless motor, including fixed
Son and the rotor being installed in stator, the rotor include M sections of single-turn daughter assemblies and shaft 10, and M sections of single-turn daughter assemblies are equal
It is serially connected in shaft 10, rotor spacer ring 13 is also set up between adjacent two sections of single-turns daughter assembly, every section of single-turn daughter assembly includes
Rotor block 11 and the rotor permanent magnet watt 12 being fixed on 11 outer round surface of rotor block；The stator include M section single field frame assemblies with
Magnetic conduction casing 1, sets stator spacer ring 5 between adjacent two sections of single field frame assemblies, a corresponding single-turn inside every section of single field frame assembly
Daughter assembly, every section of single field frame assembly include stator core 4 and the stator core permanent magnet 3 being fixed on 4 outside diameter of stator core,
Incorgruous magnetic pole, adjacent two sections single field frame assemblies pass through magnetic conduction to stator core permanent magnet 3 on adjacent two sections single field frame assemblies each other
Casing 1 forms permanent magnet circuit.
This programme includes the single field frame assemblies of tetra- sections of A, B, C and D, end bearing 7 before the front end setting of shaft 10,10 rear end of shaft
Rear end bearing 9 is set, drive end bearing bracket 6 is also set up in the front end of magnetic conduction casing 1, casing heat dissipation is also set up in the bottom of magnetic conduction casing 1
Wing 2, rotor and cap 15 are also set up in the end of rotor.Stator core permanent magnet in this programme on every section of single field frame assembly takes together
To the incorgruous magnetic pole each other of the stator core permanent magnet on magnetic pole, with adjacent segment list field frame assembly, pass through magnetic conduction casing and each section of list
Field frame assembly forms permanent magnet circuit.Use in room between single field frame assembly outside diameter and magnetic conduction casing internal diameter, stator core permanent magnet
Aluminum part is embedded, and is radiated to conduct heat caused by stator core, winding to magnetic conduction casing, is strengthened at the same time
Positioning and fixing intensity of the stator with magnetic conduction casing.The number of fragments of rotor, section length and stator-sectional quantity in this programme
Length matches.
This programme is rationally divided into M segment structures to optimize permanent magnet circuit, stator and rotor according to the performance requirement of motor, often
6-10mm spacing is taken between the single field frame assembly of section and is isolated with heat-resisting, insulation nonmagnetic substance, to ensure the single stator of each segmentation
Magnetic force of the stator core permanent magnet of assembly external diameter surface with the heteropole on adjacent segment list field frame assembly outside diameter to stator permanent magnet
Line can only form the permanent magnet circuit of stator through magnetic conduction casing, prevent magnetic force line attenuation caused by magnetic line of force short circuit.This programme in order to
Optimize the magnetic circuit distribution of stator, the stator core permanent magnet the piece number being embedded on each section of single stator unit and rotor permanent magnet tile number
It is identical and be uniformly distributed.The width of stator core permanent magnet, thickness then the magnetic density according to designed by embedding teeth groove on stator and
The related magnetic parameter of stator core permanent magnet determines.
The pole of adjacent rotor permanent magnetic tile is to each other on the contrary, rotor permanent magnet watt and the fixation of rotor block use dovetail in this programme
Groove inlays fixation, while smears heat-resistant high-strength epoxy adhesive curing, to ensure its enough mechanical strength.Rotor is adopted in this programme
With multistage assembling structure, each section of single-turn daughter assembly is unified structure, size, and the short single-turn daughter assembly structure of multistage makes rotor forever
Technique, performance and the manufacture cost of magnetic shoe more optimize, while are easy to maintaining.
Segments in a circular shape stator in this programme, stator core permanent magnet are along magnetic conduction chassis axial and adjacent heteropole to stator iron
Core permanent magnet, segments in a circular shape stator form permanent magnet circuit, make each section of single field frame assembly that monopole direction be presented in off working state
Permanent magnet, the magnetic pole of the stator core on adjacent two sections of single field frame assemblies exists on the contrary, foring each section of single field frame assembly each other
Radially, axially at the same time present not homopolarity to composite permanet magnet circuit, be motor operation when electromagnetism and permanent magnetism superposition reinforcing provide
Necessary requirement, realizes that the superposition of electromagnetism and permanent magnetism is strengthened, and has a low-power consumption, large torque, wide fast superior more comprehensive than, Ultra-High Efficiency
Performance is closed, and such existing motor can not be realized.The structure of multistage list field frame assembly makes each section of single field frame assembly by leading
Magnetomechanical hull shape into heteropole it is more reasonable to permanent magnet circuit, and reduce to greatest extent permanent magnet circuit leakage field consume.Segmentation
Independent rotor permanent magnet watt and stator core permanent magnet make the optimization of its manufacturing process, production cost more close because length significantly shortens
Reason.The arc tiles space formed between stator core, stator core permanent magnet and magnetic conduction casing is embedding using aluminum similar shape inserts
Enter, the inside and outside curved surfaces and magnetic conduction casing internal diameter, stator core of inserts are cylindrical using excessively coordinating, with the accurate of each component of profit
Positioning and structural strength, while radiate beneficial to conducting motor internal temperature rise heat to casing radiating fin.
Embodiment 2：
The present embodiment is preferably as follows on the basis of embodiment 1：When motor is in off working state, every section of single stator
Stator core 4 on assembly is presented the permanent magnet in monopole direction, the magnetic pole phase of the stator core 4 on adjacent two sections single field frame assemblies
Instead.
The value of M is the natural number more than or equal to 2.Single-turn daughter assembly is identical with single field frame assembly segments,
Section length is identical, and 6-10mm spacing is taken between every section of single field frame assembly and is isolated with heat-resisting, insulation nonmagnetic substance,
To ensure the stator core permanent magnet of the single field frame assembly external diameter surface of each segmentation and the heteropole on adjacent segment list field frame assembly outside diameter
The permanent magnet circuit of stator can only be formed through magnetic conduction casing to the magnetic line of force of stator permanent magnet, prevents magnetic force caused by magnetic line of force short circuit
Line attenuation.
It is uniformly distributed K embedding teeth groove on the internal diameter of stator core 4, embedding teeth groove quantity, shape on each stator core 4
State and direction all same, the value of K=24+4n, n be include zero positive integer.Embedding teeth groove quantity value is in 24- in this programme
Between 32, the reason is that embedding teeth groove quantity can increase stator yoke thickness and increase iron core weight and iron loss very little or too much
And efficiency is caused to decline.
Embodiment 3：
The present embodiment is preferably as follows on the basis of above-described embodiment：It is embedded in each embedding teeth groove of stator core 4
Single independent electromagnetic coil 16, by power supply phase sequence using double-deck embedding, double-deck embedding staggers embedded embedding tooth electromagnetic coil 16
In groove, each independent electromagnetic coil 16 is connected by lead-out wires of coil 17 with motor brushless controller.It is independent in this programme
Coil reduces the valid lines consumption waste of cross-slot end turn, improves the effective rate of utilization of electromagnetic wire, greatly using double-deck embedding
Width reduces line loss and the stray loss of end coil, while reduces electromagnetic wire consumed cost, reduces main screw lift.It is wound on
Absolute coil in each embedding teeth groove of stator core connects the different phase sequences of motor brushless controller output, different directions electric current
When, formed on each stator core not homopolarity to electromagnetic field, by single field frame assembly yoke portion and adjacent stator core
Incorgruous pole field forms electromagnetic circuit, while pole is formed to the permanent magnet circuit of single field frame assembly to induction, deflect and with homopolarity to
Permanent magnetic field be overlapped reinforcing, pass through single field frame assembly yoke portion, magnetic conduction casing and adjacent incorgruous magnetic pole and form electromagnet and permanent magnet
Complex superposition strengthens magnetic fields and rotor, produces the torque much larger than simple electromagnetic drive, to the multisegmented rotor on rotor forever
Magnetic shoe produces the driving rotor rotation acting of suction and repulsion square.
When the electromagnetic coil in each embedding teeth groove of stator is powered in different directions caused electromagnetic field then with magnetic pole side
Answer more more powerful than the simple electromagnetic field of the prior art is showed after being overlapped to identical stator built-in line teeth groove permanent magnetic field
Close superposition magnetic field, and act on rotor permanent magnet field and produce more powerful kinetic energy and export.Compared with the similar motor of the prior art,
With low-power consumption, large torque, wide speed than, Ultra-High Efficiency superior comprehensive performance.The design of single embedding teeth groove independent electromagnetic coil
Reduce the both ends length of coil to greatest extent, reduce copper wire loss and idle line loss and the both ends dispersion loss of line group,
And to provide primary condition by pole commutation by phase.
On single field frame assembly, when the independent electromagnetic coil 16 in each embedding teeth groove of embedded stator core 4 is powered, generation
Homopolarity can be overlapped reinforcing to electromagnetic field, formed the related embedding teeth groove of each single field frame assembly not homopolarity to it is compound folded
Add magnetic circuit.
As shown in figures 10-13, the rectangle of blank represents the extremely normal electromagnetic field of S, N, and the rectangle for beating slash represents S poles
The magnetic field strengthened is superimposed, the rectangle for beating point off density represents that magnetic field is strengthened in the superposition of N poles.A phase input lines A, B to that indicated in the drawings,
C, the electromagnetic coil of the even number sequence number embedding teeth groove of D sections of single field frame assemblies is in parallel, each electromagnetic coil and prosperous same phase electromagnetic wire
Circle connection is end to end each other on the contrary, pole is presented to electromagnetic field anti-phase each other in each embedding teeth groove of even number sequence number when A phases are powered, at the same time
Formed with the homopolarity of A, C sections of embedding teeth groove to permanent magnetic field and be superimposed reinforcing.B phase input lines A, B, C, D section Dan Ding to that indicated in the drawings
The electromagnetic coil of the even number sequence number embedding teeth groove of sub- assembly is in parallel, and each electromagnetic coil is connected end to end with prosperous same phase electromagnetic coil
Each other on the contrary, when B phases are powered odd indexed each embedding teeth groove present pole to electromagnetic field anti-phase each other, while with B, D sections it is embedding
The homopolarity of line teeth groove forms superposition to permanent magnetic field and strengthens.When A, B phase input current direction as shown in figures 10-13, during commutation work,
Then sequentially alternately commutate and form step in the embedding teeth groove magnetic field that the electromagnetic coil on embedding teeth groove on each list field frame assembly produces
Into formula rotating excitation field.
As shown in Fig. 1,2-5,10-13, no matter how the current direction of A, B phase changes, embedding on A, C sections of single field frame assemblies
The S poles permanent magnetic field of teeth groove only produces with the electromagnetic field of the embedding teeth groove of S poles and is superimposed reinforcing.As shown in Fig. 1,6-9,10-13, no matter
A, how the current direction of B phases changes, embedding teeth groove of the N poles permanent magnetic field of embedding teeth groove with N poles on B, D sections of single field frame assemblies
Electromagnetic field produce superposition strengthen.
Embodiment 4：
The present embodiment is preferably as follows on the basis of above-described embodiment：Rear end cap 8 is also set up on the magnetic conduction casing 1, is turned
The tail end of axis 10 through rear end cap 8 also sets up the commutation magnetic drum 19 of external, and HL stents are also installed on the male half coupling of rear end cap 8
21, HL elements 20 are installed on HL stents 21, are provided with lead-out wire 18 on HL elements, lead-out wire 18 also with motor brushless controller
Connection, motor brushless controller is used to receive rotor position information, and carries out electric current commutation according to phase sequence, forms alternating magnetic field,
The cylindrical upper installation HL shields 22 of HL stents 21.Commutation magnetic drum in shaft is by rotor-position signal through HL element transmissions to motor
Brushless controller, and in due course earth-current commutation is carried out by phase sequence, alternating magnetic field is formed, shaft is continuously exported much larger than simple electricity
The ultra high power of field drives.The utility model is driven using multiphase power supply mode, when rotor and stator are in commutation position,
Position signal is transmitted to the related phase sequence of drive control circuit output on motor brushless controller by the HL sensors on HL elements
And the electric current of related direction produces electromagnetic field and superposition field drives rotor is rotated to next commutation position, is formed in cycles
Rotating excitation field driving rotor is continuously run.HL elements are arranged on the HL stents of tail end cap and, HL corresponding with commutation magnetic drum
Stent can be finely tuned to optimum reversing position, HL stents and the magnetic drum irony that commutates along rear end cap concentric circles seam allowance as circumferencial direction
HL shields are protected, and effectively carry out Isolated Shield to the temperature and spuious magnetic wave of motor internal, while easy to debugging and safeguard.This
Motor brushless controller in scheme using the position sensing full-bridge commutation of technology maturation, the permanent magnet DC motor of chopper control without
Brush controller, it is ensured that system operation it is reliable and stable.The commutation magnetic drum of external makes its manufacture, installation, debugging and safeguards more
Convenience, while be effectively isolated the temperature rise of motor internal, the influence of alternating magnetic field clutter, its stability run, reliability
It is high.HL shields are made of ferrous material, for isolate extraneous dust, in steam and machine temperature rise, alternating magnetic field to HL elements
Influence.
Embodiment 5：
The present embodiment is preferably as follows on the basis of above-described embodiment：Each rotor block is ensureing mechanical strength and magnetic flux density
On the premise of, rotor lightening hole 14 is set on the rotor block 11 on every section of single-turn daughter assembly.Shaft and rotor permanent magnet watt it
Between the lightening hole that designs of room part, it is effective mitigate 30% rotor weight, reduce ineffective power consumption and main screw lift.
The number of poles of every section of single-turn daughter assembly upper rotor part permanent magnetic tile 12 is 1/ of embedding teeth groove number on each single field frame assembly
2。
Radiator fan 23 is also installed in the shaft 10 in the outside of HL shields 22, the outside of radiator fan 23 also sets up fan shield
Cover 24.Fan shroud water conservancy diversion of the high-speed flow that radiator fan is produced with shaft operating on magnetic conduction casing end outer is arranged at
Under high-speed flow through casing radiating fin take away motor operating produce heat.
Above-described embodiment, the purpose of this utility model, technical solution and beneficial effect have been carried out into
One step describes in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, where within the spirit and principles of the present invention, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of complex superposition magnetic circuit permanent magnet DC brushless motor, including stator and the rotor being installed in stator, its feature
It is, the rotor includes M sections of single-turn daughter assemblies and shaft (10), and M sections of single-turn daughter assemblies are serially connected in shaft (10),
Rotor spacer ring (13) is also set up between adjacent two sections of single-turns daughter assembly, every section of single-turn daughter assembly is including rotor block (11) and admittedly
The rotor permanent magnet watt (12) being scheduled on rotor block (11) outer round surface；The stator includes M sections of single field frame assemblies and magnetic conduction casing
(1), stator spacer ring (5) is set between adjacent two sections single field frame assemblies, one section of single-turn daughter is corresponded to inside every section of single field frame assembly
Assembly, every section of single field frame assembly include stator core (4) and the stator core permanent magnet being fixed on stator core (4) outside diameter
(3), incorgruous magnetic pole, adjacent two sections single field frame assemblies lead to the stator core permanent magnet (3) on adjacent two sections single field frame assemblies each other
Cross magnetic conduction casing (1) and form permanent magnet circuit.
2. a kind of complex superposition magnetic circuit permanent magnet DC brushless motor according to claim 1, it is characterised in that when electronic
When machine is in off working state, the permanent magnet in stator core (4) the presentation monopole direction on every section of single field frame assembly, adjacent two sections
The magnetic pole of stator core (4) on single field frame assembly is opposite each other.
3. a kind of complex superposition magnetic circuit permanent magnet DC brushless motor according to claim 1 or 2, it is characterised in that M's
Value is the natural number more than or equal to 2.
A kind of 4. complex superposition magnetic circuit permanent magnet DC brushless motor according to claim 1 or 2, it is characterised in that institute
State and K embedding teeth groove is uniformly distributed on the internal diameter of stator core (4), embedding teeth groove quantity, form on each stator core (4)
With direction all same, the value of K=24+4n, n be include zero positive integer.
A kind of 5. complex superposition magnetic circuit permanent magnet DC brushless motor according to claim 4, it is characterised in that stator iron
Single independent electromagnetic coil (16) is embedded in each embedding teeth groove of core (4), electromagnetic coil (16) is double using double-deck embedding
Layer embedding staggers in embedded embedding teeth groove, and each independent electromagnetic coil (16) is brushless by lead-out wires of coil (17) and motor
Controller connects.
6. a kind of complex superposition magnetic circuit permanent magnet DC brushless motor according to claim 5, it is characterised in that all
On single field frame assembly, when the independent electromagnetic coil (16) in embedded stator core (4) each embedding teeth groove is powered, the homopolarity of generation
Can be overlapped reinforcing to electromagnetic field, formed the related embedding teeth groove of each section of single field frame assembly not homopolarity to complex superposition magnetic
Road.
7. a kind of complex superposition magnetic circuit permanent magnet DC brushless motor according to claim 1, it is characterised in that described to lead
Rear end cap (8) is also set up on magnetomechanical shell (1), the tail end of shaft (10) through rear end cap (8) also sets up the commutation magnetic drum of external
(19), HL stents (21) are also installed on the male half coupling of rear end cap (8), HL elements (20), HL elements are installed on HL stents (21)
On be provided with lead-out wire (18), lead-out wire (18) is also connected with motor brushless controller, motor brushless controller be used for receive turn
Sub- positional information, and electric current commutation is carried out according to phase sequence, form alternating magnetic field, the cylindrical upper installation HL shields of HL stents (21)
(22)。
A kind of 8. complex superposition magnetic circuit permanent magnet DC brushless motor according to claim 1, it is characterised in that every section of list
Rotor lightening hole (14) is set on the rotor block (11) on rotor block assembly.
A kind of 9. complex superposition magnetic circuit permanent magnet DC brushless motor according to claim 6, it is characterised in that every section of list
The number of poles of rotor block assembly upper rotor part permanent magnetic tile (12) is 1/2 of embedding teeth groove number on each single field frame assembly.
10. a kind of complex superposition magnetic circuit permanent magnet DC brushless motor according to claim 7, it is characterised in that in HL
Radiator fan (23) is also installed, the outside of radiator fan (23) also sets up fan shroud in the shaft (10) on the outside of shield (22)
(24)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721342694.2U CN207251327U (en) | 2017-10-18 | 2017-10-18 | A kind of complex superposition magnetic circuit permanent magnet DC brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721342694.2U CN207251327U (en) | 2017-10-18 | 2017-10-18 | A kind of complex superposition magnetic circuit permanent magnet DC brushless motor |
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| Publication Number | Publication Date |
|---|---|
| CN207251327U true CN207251327U (en) | 2018-04-17 |
Family
ID=61882664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721342694.2U Active CN207251327U (en) | 2017-10-18 | 2017-10-18 | A kind of complex superposition magnetic circuit permanent magnet DC brushless motor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107565721A (en) * | 2017-10-18 | 2018-01-09 | 冯西川 | A kind of complex superposition magnetic circuit permanent magnet DC brushless motor |
| CN112436634A (en) * | 2020-11-16 | 2021-03-02 | 山东大学 | External rotor magnetic monopole motor and motor equipment |
| CN114825821A (en) * | 2022-05-12 | 2022-07-29 | 揭阳市汇宝昌电器有限公司 | Design method of permanent magnet direct current motor positioning groove for deflection angle adjustment |
-
2017
- 2017-10-18 CN CN201721342694.2U patent/CN207251327U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107565721A (en) * | 2017-10-18 | 2018-01-09 | 冯西川 | A kind of complex superposition magnetic circuit permanent magnet DC brushless motor |
| CN112436634A (en) * | 2020-11-16 | 2021-03-02 | 山东大学 | External rotor magnetic monopole motor and motor equipment |
| CN114825821A (en) * | 2022-05-12 | 2022-07-29 | 揭阳市汇宝昌电器有限公司 | Design method of permanent magnet direct current motor positioning groove for deflection angle adjustment |
| CN114825821B (en) * | 2022-05-12 | 2023-03-28 | 揭阳市汇宝昌电器有限公司 | Design method of permanent magnet direct current motor positioning groove for deflection angle adjustment |
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