CN102148544B - Multigap series magnetic disc-embedded type motor - Google Patents
Multigap series magnetic disc-embedded type motor Download PDFInfo
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- CN102148544B CN102148544B CN 201010112378 CN201010112378A CN102148544B CN 102148544 B CN102148544 B CN 102148544B CN 201010112378 CN201010112378 CN 201010112378 CN 201010112378 A CN201010112378 A CN 201010112378A CN 102148544 B CN102148544 B CN 102148544B
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Abstract
The invention discloses a multigap series magnetic disc-embedded type motor, which comprises an end cover, a stator, and a rotor. The rotor consists of a group of disc shaped rotor sheets overlapped on the coaxial direction of the motor in a spacing way; all the rotor sheets are formed with same magnet strings of a multigap series magnetic structure on the polar directions of each corresponding magnet on the coaxial direction; base materials with low magnetic permeability are adopted as the rotor sheets; the stator consists of a group of disc shaped stator sheets overlapped on the coaxial direction of the motor in a spacing way; base materials with low electric conductivity are adopted as the stator sheets; the stator sheets and the rotor sheets are embedded and assembled into a disc-embedded structure in a spacing way by gaps; and gas flow circulating channels are arranged between the rotor, the stator and the end cover. The motor has larger power-volume ratio and power-weight ration, small eddy-current loss and good radiation effect. Moreover, the motor is suitable for electric automobiles to use in particular.
Description
Technical field
The present invention relates to the motor of a kind of novel motor, particularly a kind of high-energy-density, low eddy current loss.This motor uses the stator base material of high electrical resistance, the rotor base material of low permeability, use multi-gap serial magnet structure and embedding dish formula structure, make the eddy current loss of motor drop to low-down level, the multi-gap serial magnet structure is fully utilized the magnetic force of motor, reach very high power density, raise the efficiency, reduce raw-material consumption.
Background technology
In the today of advocating energy-conserving and environment-protective, volume, weight, efficient, eddy current loss and material consumption for motor are all had higher requirement, the particularly arriving in electric automobile epoch makes the power of motor in the situation that volume and weight is restricted run into bottleneck.The shortcoming that present motor exists has the shortcomings such as power to volume ratio is little, power-weight ratio is little, eddy current loss is large, efficient is low, consumption of raw material is many, or has the technological deficiency of some advantage take other shortcoming as cost.No matter a large amount of motors that use of technology maturation are ac synchronous motor, AC induction motor, brush direct current motor, dc brushless motor, switched reluctance machines, disc type electric machine etc. at present, all have above-mentioned some shortcoming or technical bottleneck.
Summary of the invention
In view of there is defects in prior art, the purpose of this invention is to provide the motor that meets low-carbon economy of a kind of high-energy-density, low eddy current loss, high efficiency, low raw materials consumption rate, to reach the requirement of energy-conserving and environment-protective.
For achieving the above object, main design thought of the present invention is to use the stator base material of high resistivity, the rotor base material of low permeability, use multi-gap serial magnet structure and embedding dish formula structure, make the eddy current loss decrease of motor, the multi-gap serial magnet structure is fully utilized the magnetic force of motor, increase substantially power density, raise the efficiency, reduce raw-material consumption.
Concrete technical scheme of the present invention is as follows:
A kind of motor, it is a kind of high power density, low eddy current loss, saves raw-material high efficiency motor.This motor comprises end cap, stator and rotor, wherein:
Described rotor is had in the electrical axis direction by one group of video disc shape rotor sheet that spacing ground is stacked to be consisted of, rotor sheet comprises the rotor sheet substrate and is located at some magnet of rotor sheet substrate, the rotor sheet substrate has some air vent holes near the position in axle center, the outer has some ventilation breach, rotor sheet substrate aluminium alloy, pottery, tempered glass, the lamination glass, the material that the permeability such as engineering plastics or circuit substrate is lower is made, the two poles of the earth end face of described some magnet is all parallel with the end face of its place rotor sheet substrate, the magnet string of the identical formation multi-gap serial magnet of the polar orientation of each magnet that all rotor sheets are corresponding in the axial direction structure;
Described stator is made of along the electrical axis direction is spacing is arranged stacked one group of video disc shape stator piece, end cap is installed at the stator two ends, be provided with air flue in the end cap, stator piece comprises the stator piece substrate, be located at some coils and the supporter of being located at stator piece substrate periphery of stator piece substrate, the stator piece substrate is with ceramic, tempered glass, the lamination glass, engineering plastics, the material that the conductance such as silicon rubber or circuit substrate is lower is made, supporter is provided with some air flues and some air inlets crack, the end face of described some coils is parallel with the end face of its place stator piece substrate, and corresponding in the axial direction each coil of all stator pieces is by making the consistent principle of its induced potential direction be connected to form the coil string that is comprised of a plurality of parallel coil spaced apart;
Stator piece and rotor sheet with a gap alternate embedding closed assembly are joined formation embedding dish formula structure, and the magnetic gap rotor that described coil string embeds described magnet string with a gap can rotate;
The space of getting back between rotor sheet and the stator piece behind air flue in the space between adjacent rotor sheet and the stator piece successively air inlet crack on described supporter and air flue, the end cap, the air vent hole on the rotor sheet forms the airflow circulating passage, air-flow centrifugal motion under the drive of described ventilation breach entered described airflow circulating channel cycle from described air inlet crack when rotor rotated, and the heat of motor internal is transferred to casing.
Described end cap inboard is provided with the end cap nest plate, the air flue that forms end cap between end cap nest plate and the end cap is to be communicated with air flue on the described supporter and the air vent hole on the rotor sheet, the end cap nest plate is made by the permeability magnetic material of high electrical resistance, be particularly suitable for making of the soft magnetic ferrites moulding of high saturation magnetic flux density, be used for providing the loop at the magnet string two ends of multi-gap serial magnet structure for the magnetic line of force.
The magnet of rotor sheet places in the rotor sheet substrate, the two poles of the earth end face is critical or penetrate the both ends of the surface of rotor sheet substrate respectively, and the polarity of adjacent two magnet of same rotor sheet is opposite, and the polar orientation of each magnet is consistent in the same magnet string.The magnet of rotor sheet can be permanent magnetic iron or solenoid, when adopting solenoid, can in the rotor sheet substrate, insert traditional wound coil or by techniques such as printing, etching, photoetching, plating, sputters at the rotor sheet substrate of circuit substrate or other material solenoid that is shaped, and realize power supply with traditional feeding classification.The number of magnet can have multiple different numerical value according to purposes, the number of phases and the characteristic requirements of motor in each rotor sheet, is generally two multiple, and being particularly suitable for is four multiple.
The coil of stator piece places in the stator piece substrate, fills in the coil than the material of low conductivity, high magnetic permeability and high thermal conductivity or the material identical with the stator piece substrate or the coil brace made from described material is set in coil.The coil of stator piece can be wound coil, also can be to adopt printing, etching, photoetching, plating or sputtering process to take shape in the on-chip planar coil of stator piece.
Installation site, the position transducer that faces toward magnet on the end cap nest plate towards a side of rotor end-face is to detect the position of described rotor.Described position transducer can be the transducer of Hall element type or the transducer of photoelectric cell type, if use Hall element should try one's best near magnet, if use photoelectric cell, then on relative rotor sheet colour code or punching should be set.Can need not the setting position transducer when in normal circumstances, the present invention uses as generator.
Described motor can be motor, generator or the motor that has electronic and electricity generate function concurrently.
Have relatively high expectations and the seal of motor internal is had the motor of requirement for heat radiation, can lead to external radiating device to air-flow from motor both sides end cap or internal ventilation pipeline dispels the heat, then be reintroduced to electric motor end cap inside or internal ventilation pipeline, motor is further dispelled the heat.
Motor for simple requirement, in the situation that the seal of motor internal is not required, the air flue of end cap can be in communication with the outside, the air flue of stator piece supporter is in communication with the outside, make air enter the air flue of end cap inside from the outside, the air vent hole on rotor sheet enters the motor cavity again, and then the air flue that then enters on the stator piece supporter from the air inlet crack under the drive of the ventilation breach of rotor sheet is discharged to outside motor, form the inner-outer circulation of air-flow, reach the effect of motor radiating.
In order in the constant situation of volume and material usage, to increase the area of electromagnetic force, improve power density, the thickness of described rotor sheet and stator piece is done thinlyyer, makes its thickness much smaller than separately radius.
Motor of the present invention is suitably for motor or the generator of high or low power, can be single-phase generator, threephase generator, brush direct current motor, dc brushless motor, three-phase synchronous motor etc.Kind according to motor is different with instructions for use, the setting of coil, winding and connection have a variety of on the stator, this respect there is no different from existing motor technology, its basic principle is: corresponding to described magnet string, make the direction of the electromagnetic induction electromotive force of all coils in each string coil string consistent; The string number of coil needs not be equal to the string number of magnet string, but should be the multiple of the number of phases, and on electrical axis radial sequentially all the five equilibrium mean allocation arrange.Coil is connected according to above-mentioned principle, guide to binding post on the casing with wire.
The present invention also provides a kind of motor that does not have the airflow circulating passage, and this motor comprises end cap, stator and rotor, it is characterized in that:
Described rotor is had in the electrical axis direction by one group of video disc shape rotor sheet that spacing ground is stacked to be consisted of, rotor sheet comprises the rotor sheet substrate and is located at some magnet of rotor sheet substrate, the rotor sheet substrate is made than the material of low permeability with aluminium alloy, pottery, tempered glass, lamination glass, engineering plastics or circuit substrate etc., the two poles of the earth end face of described some magnet is all parallel with the end face of its place rotor sheet substrate, the magnet string of the identical formation multi-gap serial magnet of the polar orientation of each magnet that all rotor sheets are corresponding in the axial direction structure;
Described stator is made of along the electrical axis direction is spacing is arranged stacked one group of video disc shape stator piece, end cap is installed at the stator two ends, stator piece comprises the stator piece substrate, be located at some coils and the supporter of being located at stator piece substrate periphery of stator piece substrate, the stator piece substrate is with ceramic, tempered glass, the lamination glass, engineering plastics, silicon rubber or circuit substrate etc. are made than the material of low conductivity, the end face of described some coils is parallel with the end face of its place stator piece substrate, and corresponding in the axial direction each coil of all stator pieces is by making the consistent principle of its induced potential direction be connected to form the coil string that is comprised of a plurality of parallel coil spaced apart;
Stator piece and rotor sheet with a gap alternate embedding closed assembly are joined formation embedding dish formula structure, and the magnetic gap rotor that described coil string embeds described magnet string with a gap can rotate.
Owing to adopt the stator base material of high resistivity and the rotor base material of low permeability, adopt multi-gap serial magnet structure and embedding dish formula structure, make the eddy current loss decrease of motor of the present invention, the multi-gap serial magnet structure is fully utilized the magnetic force of motor, increased substantially power density, improve efficient, reduced raw-material consumption.
Owing to adopted special circulation air flue, can solve well the heat dissipation problem of motor, guarantee that motor moves steadily in the long term, can make the motor that seal is had relatively high expectations.
Compare with existing motor, motor of the present invention has larger power to volume ratio and power-weight ratio, and eddy current loss is little, and good heat dissipation effect is particularly suitable for electric automobile and uses.
Description of drawings
Fig. 1 is the structural representation of exemplary embodiments of the present invention;
Fig. 2 is the exploded view of Fig. 1;
Fig. 3 is the plane graph of its stator piece;
Fig. 4 is the plane graph of its rotor sheet;
Fig. 5 is the assembling perspective diagram of its rotor sheet and stator piece.
Embodiment
Below in conjunction with embodiment the present invention is further described.
With reference to Fig. 1-5, the multi-gap serial magnet disc-embedded type motor of this exemplary embodiments is three-phase generation/electric integral machine, rotor rotation when inputting three-phase electricity according to the order of sequence, and motor sends three-phase electric energy according to the order of sequence when external force drives its rotor.Present embodiment is described for the motor that seal is had relatively high expectations, and this motor comprises with lower member and CONSTRUCTED SPECIFICATION: casing 1, bearing 2, rotating shaft 3, stator 4, rotor 5, end cap 6, shaft hole 7, end cap nest plate 8, position transducer 9, air inlet crack 10, gas outlet 11, stator piece 12, stator piece substrate 12 ', stator piece supporter 13, rotor sheet 14, rotor sheet substrate 14 ', boss 15, magnet 16, magnet string 16a, coil 17, coil string 17a, coil filler 18, air flue 19, end cap air flue 19a, rotating shaft via hole 20, air vent hole 21, the magnetic line of force 22, ventilation breach 23, axis hole 24, locating notch 25, location hole 26, multi-gap serial magnet structure 27, embedding dish formula structure 28, binding post T.
Below in conjunction with motor cross-sectional view shown in Figure 1 and exploded view shown in Figure 2 electric machine structure is described: this motor comprises: casing 1, be fixed in the stator 4 of casing 1, be installed on the rotor 5 of casing 1 by rotating shaft 3 and bearing 2, be contained in the binding post T on the casing 1.The both sides end cap 6 of motor is as the part of casing 1, and the effect of playing fixed stator 4 and rotor 5 being installed has end cap nest plate 8 as the part of end cap in end cap 6 inboards.
The stator 4 of motor is fixed on the end cap 6 of casing 1, rotor 5 is fixed in the rotating shaft 3, bearing 2 all is equipped with on the both sides of rotating shaft 3, bearing 2 is fixed in the shaft hole 7 on the motor both sides end cap 6, air flue 19a is arranged in the end cap 6, end cap nest plate 8 separates end cap air flue 19a and motor cavity, and position transducer 9 is equipped with for detection of the position of rotor facing to the position that rotor is equipped with magnet in the one side to the motor cavity on end cap nest plate 8.After the assembling in rotor sheet 14 and stator piece 12 each self-embedding the other side's the gap, leave air gap between mutually rotor 5 can freely be rotated.
Described rotor 5 is had in the electrical axis direction by one group of video disc shape rotor sheet 14 that spacing ground is stacked to be consisted of, each rotor sheet 14 comprises rotor sheet substrate 14 ' and some magnet 16, rotor sheet substrate 14 ' is to make with the lower material of permeability, be particularly suitable for using aluminium alloy, pottery, tempered glass, the lamination glass, engineering plastics, the forming materials of circuit substrate or its composite material or similarity is made, the radial equal five equilibrium of each rotor sheet substrate 14 ' settled several magnet 16, magnet 16 is placed in the rotor sheet substrate 14 ', the two poles of the earth end face of magnet 16 penetrates respectively or is critical in the both ends of the surface of rotor sheet substrate 14 ', the two poles of the earth end face of magnet 16 is parallel with the both ends of the surface of rotor sheet substrate 14 ', make the magnetic line of force 22 directions of magnet 16 inside vertical with the both ends of the surface of rotor sheet substrate 14 ', any two adjacent magnet 16 opposite polarity directions of each rotor sheet 14, the phase place of adjacent rotor sheet 14 corresponding magnet 16 on the electrical axis direction is consistent with polar orientation, consisting of some strings has the magnet string 16a of several magnetic gaps, forms a multi-gap serial magnet structure 27.
Described stator 4 is had in the electrical axis direction by one group of video disc shape stator piece 12 that spacing ground is stacked to be consisted of, each stator piece 12 comprises stator piece substrate 12 ', be located at the some coils 17 on the stator piece substrate 12 ', and the supporter 13 of being located at stator piece substrate 12 ' periphery, stator piece substrate 12 ' is to make with the lower material of conductance, be particularly suitable for pottery, tempered glass, the lamination glass, engineering plastics, silicon rubber, the forming materials of circuit substrate or its composite material or similarity is made, the radial equal five equilibrium of each stator piece substrate 12 ' settled several coils 17, coil 17 is placed in the stator piece substrate 12 ', penetrate or critical in the both ends of the surface of stator piece substrate 12 ', the end face of coil 17 is parallel with the both ends of the surface of stator piece substrate 12 ', coil 17 can be traditional wound coil, coil also can be by printing, etching, photoetching, electroplate, the planar coil of the techniques such as sputter moulding on circuit substrate or other base material, the phase place of adjacent stators sheet 12 corresponding coil 17 on the electrical axis direction is consistent, and by the consistent principle of its induced potential direction is connected, form the coil string 17a that some strings have several parallel coil 17, the coil string is arranged around the axis of motor by the number of phases and phase place impartial the distribution, make the coil string of each homophase be connected respectively to binding post T by connected in series or in parallel by wire.
Plane graph below in conjunction with Fig. 4 rotor sheet is described further rotor sheet: there is shaft hole 24 at the center of rotor sheet 14, locating notch 25 is arranged on the limit of shaft hole 24, in order to rotor 5 is fixed in the rotating shaft 3 by certain phase place, rotor sheet 14 centers arrange boss 15, the shaft hole 24 of rotor sheet is arranged on this boss 15 centers, boss 15 can be positioned in the rotating shaft 3 rotor sheet 14 on the one hand more firmly, utilizes on the other hand the thickness of boss 15 to determine distance between the adjacent rotor sheet.Rotor sheet 14 has several air vent holes 21 near a side of rotating shaft 3, is used for the air-flow of inner loop is passed through.Have several ventilation breach 23 in the circumferential center of circle of rotor sheet 14 direction, be used for as gas channel and be used for driving when the rotor flow rotation.The number of the magnet 16 of each rotor sheet 14 can have multiple different numerical value according to purposes, the number of phases and the characteristic requirements of motor, is generally the number of phases and adds one multiple, and being particularly suitable for is four multiple.Having used 12 permanent magnetic irons on each rotor sheet 14 in the present embodiment, is four three times.
Plane graph below in conjunction with Fig. 3 stator piece is described further stator piece: be provided with several coils 17 in each stator piece 12, the number of coil 17 should be the multiple of the number of phases, being particularly suitable for is three multiple, has used nine coils 17 in the present embodiment, is three three times.The coil filler 18 of the inboard of described coil 17 be use that conductance is lower, permeability is higher, heat conduction material or do with the same material of stator piece substrate 12 ' that hollow frame supports or with hatching solid preferably.Described stator piece 12 is fixed on the supporter 13, then be fixed on the casing 1 by supporter 13, supporter 13 can use the material identical with stator piece substrate 12 ' admittedly to close or be integrally formed, also can use other more high-termal conductivity matter or more the material making of high mechanical properties, then assemble or admittedly be combined with stator substrate 12 '.Supporter 13 has location hole 26, air inlet crack 10 and air flue 19.One of effect of supporter 13 is fastening, supporting, the location, fixing for stator piece 12, and two of effect is spacings of determining adjacent two stator pieces 12 with the thickness of self, and three of effect is to dispel the heat or heat dissipation channel is provided.Location hole 26 is used for location between a plurality of stator pieces and fastening, and fixing with both sides end cap 6, and end cap 6 inboards in both sides are provided with end cap nest plate 8.Stator piece 12 centers are provided with rotating shaft via hole 20, the boss 15 at rotor sheet center run through this rotating shaft via hole 20 and gapped when rotor is rotated not can with the stator piece friction.
Described air inlet crack 10 is communicated with described air flue 19, synchronous air flue 19 after the assembling in each supporter 13 links to each other and connects, be communicated with the end cap air flue 19a of end cap 6 inside, end cap nest plate 8 separates air flue 19a and motor cavity, position transducer 9 is equipped with for detection of the position of rotor 5 facing to the position that rotor is equipped with magnet 16 in one side towards the motor cavity on end cap nest plate 8, and the gas outlet 11 of the air flue 19a of end cap 6 is in the position near rotating shaft 3.The space of getting back between rotor sheet and the stator piece behind air flue 19a in the space between adjacent rotor sheet and the stator piece successively air inlet crack 10 on supporter 13 and air flue 19, the end cap 6, the air vent hole 21 on the rotor sheet 14 forms the airflow circulating passage, air-flow centrifugal motion under the drive of described ventilation breach 23 entered described airflow circulating channel cycle from described air inlet crack 10 when rotor rotated, and the heat of motor internal is transferred to casing.
Described end cap nest plate 8 is to make with the higher soft permeability magnetic material of electrical impedance, be particularly suitable for making of the ferroxcube moulding of high saturation magnetic flux density, magnetic force as multi-gap serial magnet structure 27 magnet string 16a stops, and provides the loop at magnet string 16a two ends for the magnetic line of force 22.Described position transducer 9 is the transducers that use the Hall element type in the present embodiment.Can need not setting position transducer 9 when in normal circumstances, the present invention uses as generator.
Motor of the present invention also can be with the supporter of end cap and stator piece as casing or install firm or dustproof casing additional.
In order in the constant situation of volume and material usage, to increase the area of electromagnetic force, improve power density, the thickness of described rotor sheet 14 and stator piece 12 is done thinlyyer, makes its thickness much smaller than separately radius.
The described motor of present embodiment is suitably for motor or the generator of high or low power, can be single-phase generator, threephase generator, brush direct current motor, dc brushless motor, three-phase synchronous motor etc.Kind according to motor is different with instructions for use, the setting of stator coil 17, winding and connection have a variety of, this respect there is no different from existing motor technology, its basic principle is: corresponding to magnet string 16a, make the direction of the electromagnetic induction electromotive force of all coils 17 among each string coil string 17a consistent; The string number of coil string 17a needs not be equal to the string number of magnet string 16a, but should be the multiple of the number of phases, and on electrical axis radial sequentially all the five equilibrium mean allocation arrange.Coil 17 is connected according to above-mentioned principle, guide to binding post T on the casing 1 with wire.
The described motor of present embodiment is particularly suitable for the motor into electric automobile, it has good seal and radiating effect preferably, this motor has function electronic and generating concurrently, can realize the recovery of automobile brake energy, have the performance that volume is little, lightweight, power density is large, eddy current loss is little, efficient is high, meet the requirement of energy-conserving and environment-protective.
If the sealing to motor does not require, heat radiation requires low, motor so of the present invention also can not comprise the airflow circulating passage, that is: not be used on the supporter of stator piece 12 and air flue 19 and air inlet crack 10 are set, not be used in and air vent hole 21 and ventilation breach 23 are set on the rotor sheet 14, not be used in the end cap 6 interior end cap air flue 19a that arrange, to reduce manufacturing procedure, reduce production costs.
Claims (9)
1. a motor comprises end cap, stator and rotor, it is characterized in that:
Described rotor is had in the electrical axis direction by one group of video disc shape rotor sheet that spacing ground is stacked to be consisted of, rotor sheet comprises the rotor sheet substrate and is located at some magnet of rotor sheet substrate, the rotor sheet substrate has some air vent holes near the position in axle center, the outer has some ventilation breach, rotor sheet substrate aluminium alloy, pottery, tempered glass, the lamination glass, engineering plastics or circuit substrate are made, the two poles of the earth end face of described some magnet is all parallel with the end face of its place rotor sheet substrate, the magnet string of the identical formation multi-gap serial magnet of the polar orientation of each magnet that all rotor sheets are corresponding in the axial direction structure;
Described stator is made of along the electrical axis direction is spacing is arranged stacked one group of video disc shape stator piece, end cap is installed at the stator two ends, be provided with air flue in the end cap, stator piece comprises the stator piece substrate, be located at some coils and the supporter of being located at stator piece substrate periphery of stator piece substrate, the stator piece substrate is with ceramic, tempered glass, the lamination glass, engineering plastics, silicon rubber or circuit substrate are made, supporter is provided with some air flues and some air inlets crack, the end face of described some coils is parallel with the end face of its place stator piece substrate, and corresponding in the axial direction each coil of all stator pieces is by making the consistent principle of its induced potential direction be connected to form the coil string that is comprised of a plurality of parallel coil spaced apart;
Stator piece and rotor sheet with a gap alternate embedding closed assembly are joined formation embedding dish formula structure, and described coil string embeds in the magnetic gap of described magnet string with a gap, and rotor can rotate;
Described end cap inboard is provided with the end cap nest plate, the air flue that forms end cap between end cap nest plate and the end cap is to be communicated with air flue on the described supporter and the air vent hole on the rotor sheet, the end cap nest plate is made by the permeability magnetic material of high electrical resistance, and being used for provides the loop at the magnet string two ends of multi-gap serial magnet structure for the magnetic line of force;
The space of getting back between rotor sheet and the stator piece behind air flue in the space between adjacent rotor sheet and the stator piece successively air inlet crack on described supporter and air flue, the end cap, the air vent hole on the rotor sheet forms the airflow circulating passage, air-flow centrifugal motion under the drive of described ventilation breach entered described airflow circulating channel cycle from described air inlet crack when rotor rotated, and the heat of motor internal is transferred to casing.
2. motor according to claim 1 is characterized in that: the rotor sheet center arranges boss to set the distance between the adjacent rotor sheet, and the shaft hole of rotor sheet is arranged on this boss center; The magnet of rotor sheet places in the rotor sheet substrate, the two poles of the earth end face is critical or penetrate the both ends of the surface of rotor sheet substrate respectively, and the polarity of adjacent two magnet of same rotor sheet is opposite, and the polar orientation of each magnet is consistent in the same magnet string.
3. motor according to claim 1, it is characterized in that: the magnet of rotor sheet is permanent magnetic iron or solenoid, solenoid is wound coil or the coil that adopts printing, etching, photoetching, plating or sputtering process moulding on the substrate of rotor sheet.
4. motor according to claim 1, it is characterized in that: the coil of stator piece places in the stator piece substrate, fills in the coil than the material of low conductivity, high magnetic permeability and high thermal conductivity or the material identical with the stator piece substrate or the coil brace made from described material is set in coil.
5. motor according to claim 1 is characterized in that: the coil of stator piece is wound coil or adopts printing, etching, photoetching, plating or sputtering process to take shape in the on-chip planar coil of stator piece.
6. motor according to claim 1, it is characterized in that: the supporter of end cap and stator piece is as casing.
7. each described motor is characterized in that: face toward installation site, the position transducer of magnet on the end cap nest plate towards a side of rotor end-face, to detect the position of described rotor according to claim 1-6.
8. each described motor according to claim 1-6, it is characterized in that: described motor is motor, generator or the motor that has electronic and electricity generate function concurrently.
9. a motor comprises end cap, stator and rotor, it is characterized in that:
Described rotor is had in the electrical axis direction by one group of video disc shape rotor sheet that spacing ground is stacked to be consisted of, rotor sheet comprises the rotor sheet substrate and is located at some magnet of rotor sheet substrate, the rotor sheet substrate is made with aluminium alloy, pottery, tempered glass, lamination glass, engineering plastics or circuit substrate, the two poles of the earth end face of described some magnet is all parallel with the end face of its place rotor sheet substrate, the magnet string of the identical formation multi-gap serial magnet of the polar orientation of each magnet that all rotor sheets are corresponding in the axial direction structure;
Described stator is made of along the electrical axis direction is spacing is arranged stacked one group of video disc shape stator piece, end cap is installed at the stator two ends, stator piece comprises the stator piece substrate, be located at some coils and the supporter of being located at stator piece substrate periphery of stator piece substrate, the stator piece substrate is with ceramic, tempered glass, the lamination glass, engineering plastics, silicon rubber or circuit substrate are made, the end face of described some coils is parallel with the end face of its place stator piece substrate, and corresponding in the axial direction each coil of all stator pieces is by making the consistent principle of its induced potential direction be connected to form the coil string that is comprised of a plurality of parallel coil spaced apart;
Stator piece and rotor sheet with a gap alternate embedding closed assembly are joined formation embedding dish formula structure, and described coil string embeds in the magnetic gap of described magnet string with a gap, and rotor can rotate;
Described end cap inboard is provided with the end cap nest plate, the air flue that forms end cap between end cap nest plate and the end cap is to be communicated with air flue on the described supporter and the air vent hole on the rotor sheet, the end cap nest plate is made by the permeability magnetic material of high electrical resistance, and being used for provides the loop at the magnet string two ends of multi-gap serial magnet structure for the magnetic line of force.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010112378 CN102148544B (en) | 2010-02-09 | 2010-02-09 | Multigap series magnetic disc-embedded type motor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010112378 CN102148544B (en) | 2010-02-09 | 2010-02-09 | Multigap series magnetic disc-embedded type motor |
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| CN102148544A CN102148544A (en) | 2011-08-10 |
| CN102148544B true CN102148544B (en) | 2013-04-17 |
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| CN107847084B (en) * | 2015-07-24 | 2021-04-13 | 雀巢产品有限公司 | Appliance for frothing a beverage or food |
| CN106230150A (en) * | 2016-08-12 | 2016-12-14 | 马学朋 | A kind of motor and use its equipment |
| TWI678055B (en) * | 2018-08-31 | 2019-11-21 | 煊銘國際股份有限公司 | Modularized motor structure |
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| DE10020860A1 (en) * | 2000-04-28 | 2001-11-15 | Genius Ingenieurgmbh | Electric machine with disc rotors |
| JP3856661B2 (en) * | 2001-06-06 | 2006-12-13 | 株式会社荏原製作所 | Vacuum pump |
| GB0613570D0 (en) * | 2006-07-07 | 2006-08-16 | Imp Innovations Ltd | An electrical machine |
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2010
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1354543A (en) * | 2000-07-24 | 2002-06-19 | 孙玉江 | Ferromagnetic vertically-mounted series D.C. motor |
| CN2593446Y (en) * | 2002-08-22 | 2003-12-17 | 哈尔滨工业大学 | Multi airgap motor |
| CN101188369A (en) * | 2006-11-24 | 2008-05-28 | 株式会社日立制作所 | Permanent magnet electrical rotating machine, wind power generating system, and method of magnetizing permanent magnet |
| CN201369657Y (en) * | 2009-01-22 | 2009-12-23 | 陈鸿达 | Modular permanent magnet DC motor |
| CN201758328U (en) * | 2010-02-09 | 2011-03-09 | 姚加章 | Multi-gap serial magnet disc-embedded type motor |
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