CN102148544A - Multigap series magnetic disc-embedded type motor - Google Patents
Multigap series magnetic disc-embedded type motor Download PDFInfo
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- CN102148544A CN102148544A CN2010101123782A CN201010112378A CN102148544A CN 102148544 A CN102148544 A CN 102148544A CN 2010101123782 A CN2010101123782 A CN 2010101123782A CN 201010112378 A CN201010112378 A CN 201010112378A CN 102148544 A CN102148544 A CN 102148544A
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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 a kind of novel motor, the motor of 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 multigap string magnetic structure and embedding dish formula structure, make the eddy current loss of motor drop to low-down level, multigap string magnetic 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 under the situation that volume and weight is restricted run into bottleneck.The shortcoming that present motor exists has many shortcomings such as power to volume ratio is little, power-weight ratio is little, eddy current loss is big, efficient is low, consumption of raw material is many, or to have some advantage be the technological deficiency of cost with other shortcoming.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 above-mentioned defective 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 energy conservation and environment protection.
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 multigap string magnetic structure and embedding dish formula structure, the eddy current loss of motor is reduced significantly, multigap string magnetic 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 constitutes by one group of video disc shape rotor sheet is spacing is arranged on the electrical axis direction stacked, 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 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, and all rotor sheets are the magnet string of the identical formation multigap of the polar orientation string magnetic structure of corresponding each magnet in the axial direction;
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 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 connected to form the coil string of being made up of a plurality of parallel coil spaced apart by the principle that makes its induced potential direction unanimity;
The alternate with a gap embedding closed assembly of stator piece and rotor sheet is 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 circulation of air flow passage is formed in 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 air inlet crack on described supporter successively and air flue, the end cap, the air vent hole on the rotor sheet, air-flow centrifugal motion under the drive of described ventilation breach enters described circulation of air flow channel cycle from described air inlet crack during rotor rotation, and the heat delivered of motor internal is arrived 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, be used for providing the loop for the magnetic line of force at the magnet string two ends of multigap string magnetic structure of the soft magnetic ferrites moulding of high saturation magnetic flux density.
The magnet of rotor sheet places in the rotor sheet substrate, the two poles of the earth end face is critical respectively or penetrate the both ends of the surface of rotor sheet substrate, and the polarity of adjacent two magnet of same rotor sheet is opposite, the polar orientation unanimity of each magnet 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 the solenoid that is shaped on the rotor sheet substrates of technology at circuit substrate or other material such as printing, etching, photoetching, plating, sputter, and realize power supply with traditional feeding classification.The number of magnet requires that according to the purposes of motor, the number of phases and characteristic multiple different numerical value can be arranged 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 with stator piece substrate identical materials or the coil brace made from described material is set in coil.The coil of stator piece can be a 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 that it can be tried one's best near magnet, if use photoelectric cell, then on relative rotor sheet colour code or punching should be set.Can need not to be provided with 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 outside heat abstractor to air-flow from motor both sides end cap or internal ventilation pipeline dispels the heat, be reintroduced to electric motor end cap inside or internal ventilation pipeline then, motor is further dispelled the heat.
Motor for simple requirement, under 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 the air flue that enters on the stator piece supporter from the air inlet crack under the drive of the ventilation breach of rotor sheet is discharged to the motor outside then then, form the interior outer circulation of air-flow, reach the effect of motor radiating.
In order under the constant situation of volume and material usage, to increase the area of electromagnetic force effect, 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 the 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 with the prior motor technology, its basic principle is: corresponding to described magnet string, make the direction unanimity of the electromagnetic induction electromotive force of all coils in each string coil string; 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 in regular turn all the five equilibrium mean allocation be provided with.Coil is connected according to above-mentioned principle, guide to binding post on the casing with lead.
The present invention also provides a kind of motor that does not have the circulation of air flow passage, and this motor comprises end cap, stator and rotor, it is characterized in that:
Described rotor constitutes by one group of video disc shape rotor sheet is spacing is arranged on the electrical axis direction stacked, 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, and all rotor sheets are the magnet string of the identical formation multigap of the polar orientation string magnetic structure of corresponding each magnet in the axial direction;
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 connected to form the coil string of being made up of a plurality of parallel coil spaced apart by the principle that makes its induced potential direction unanimity;
The alternate with a gap embedding closed assembly of stator piece and rotor sheet is 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 multigap string magnetic structure and embedding dish formula structure, the eddy current loss of motor of the present invention is reduced significantly, multigap string magnetic 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 the heat dissipation problem of motor well, 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 bigger 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 multigap string magnetic embedding dish formula motor of this exemplary embodiments is three-phase generation/electronic all-in-one, rotor rotation when importing 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 rotation.Present embodiment is described at 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, multigap string magnetic 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 the part of end cap nest plate 8 as 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, facing to the position that magnet is housed on the rotor position that position transducer 9 is used for detection rotor is housed on one side to the motor cavity on the end cap nest plate 8.In assembling back 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 constitutes by one group of video disc shape rotor sheet 14 is spacing is arranged on the electrical axis direction stacked, 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, radial several magnet 16 of having settled at each rotor sheet substrate 14 ' with equal five equilibrium, 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, constituting some strings has the magnet string 16a of several magnetic gaps, forms a multigap string magnetic structure 27.
Described stator 4 constitutes by one group of video disc shape stator piece 12 is spacing is arranged on the electrical axis direction stacked, 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, radial several coils 17 of having settled at each stator piece substrate 12 ' with equal five equilibrium, 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 technologies such as sputter moulding on circuit substrate or other base material, the phase place unanimity of adjacent stators sheet 12 corresponding coil 17 on the electrical axis direction, and by the principle connection that makes its induced potential direction unanimity, form the coil string 17a that some strings have several parallel coil 17, the coil string is provided with around the axis of motor by the number of phases and phase place impartial the distribution, the coil string of each homophase is connected after lead is connected respectively to binding post T by serial or parallel connection.
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, so that rotor 5 is fixed in the rotating shaft 3 by certain phase place, rotor sheet 14 centers are provided with 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 the thickness of boss 15 to determine distance between the adjacent rotor sheet on the other hand.Rotor sheet 14 has several air vent holes 21 near a side of rotating shaft 3, is used to make the air communication mistake of inner loop.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 when rotor rotates, driving air-flow rotating.The number of the magnet 16 of each rotor sheet 14 requires that according to the purposes of motor, the number of phases and characteristic multiple different numerical value can be arranged, and 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 is to 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 solid filling preferably.Described stator piece 12 is fixed on the supporter 13, be fixed on the casing 1 by supporter 13 then, supporter 13 can use and close admittedly with stator piece substrate 12 ' identical materials or integrally formed, also can use other more high-termal conductivity matter or the more material of high mechanical properties, assemble or lump together admittedly with stator substrate 12 ' then.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 that is used 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 making rotor rotation not can with the stator piece friction.
Described air inlet crack 10 is communicated with described air flue 19, synchronous air flue 19 in each supporter 13 of assembling back 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, facing to the position that magnet 16 is housed on the rotor position that position transducer 9 is used for detection rotor 5 is housed on one side towards the motor cavity on the end cap nest plate 8, the gas outlet 11 of the air flue 19a of end cap 6 is in the position near rotating shaft 3.The circulation of air flow passage is formed in 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 air inlet crack 10 on supporter 13 successively and air flue 19, the end cap 6, the air vent hole 21 on the rotor sheet 14, air-flow centrifugal motion under the drive of described ventilation breach 23 enters described circulation of air flow channel cycle from described air inlet crack 10 during rotor rotation, and the heat delivered of motor internal is arrived 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 multigap string magnetic structure 27 magnet string 16a stops, and provides the loop at magnet string 16a two ends for the magnetic line of force 22.Described in the present embodiment position transducer 9 is to use the transducer of Hall element type.Can need not to be provided with 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 additional firm or the dustproof casing.
In order under the constant situation of volume and material usage, to increase the area of electromagnetic force effect, 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 the 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 with the prior motor technology, its basic principle is: corresponding to magnet string 16a, make the direction unanimity of the electromagnetic induction electromotive force of all coils 17 among each string coil string 17a; 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 in regular turn all the five equilibrium mean allocation be provided with.Coil 17 is connected according to above-mentioned principle, guide to binding post T on the casing 1 with lead.
The described motor of present embodiment is particularly suitable for the motor into electric automobile, it has good seal and better radiating effect, this motor has function electronic and generating concurrently, can realize the recovery of automobile brake energy, have the performance that volume is little, in light weight, power density is big, eddy current loss is little, efficient is high, meet energy conservation and environment protection.
If the sealing to motor does not require, heat radiation requires low, motor so of the present invention also can not comprise the circulation of air flow 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 end cap air flue 19a is set in the end cap 6, to reduce manufacturing procedure, reduce production costs.
Claims (10)
1. a motor comprises end cap, stator and rotor, it is characterized in that:
Described rotor constitutes by one group of video disc shape rotor sheet is spacing is arranged on the electrical axis direction stacked, 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 etc. are made than the material of low permeability, 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, and all rotor sheets are the magnet string of the identical formation multigap of the polar orientation string magnetic structure of corresponding each magnet in the axial direction;
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 etc. are made than the material of low conductivity, 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 connected to form the coil string of being made up of a plurality of parallel coil spaced apart by the principle that makes its induced potential direction unanimity;
The alternate with a gap embedding closed assembly of stator piece and rotor sheet is 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 circulation of air flow passage is formed in 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 air inlet crack on described supporter successively and air flue, the end cap, the air vent hole on the rotor sheet, air-flow centrifugal motion under the drive of described ventilation breach enters described circulation of air flow channel cycle from described air inlet crack during rotor rotation, and the heat delivered of motor internal is arrived casing.
2. motor according to claim 1, it is characterized in that: 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 multigap string magnetic structure for the magnetic line of force.
3. motor according to claim 1 is characterized in that: the rotor sheet center is provided with 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 respectively or penetrate the both ends of the surface of rotor sheet substrate, and the polarity of adjacent two magnet of same rotor sheet is opposite, the polar orientation unanimity of each magnet in the same magnet string.
4. motor according to claim 1 is characterized in that: the magnet of rotor sheet is permanent magnetic iron or solenoid, and solenoid is wound coil or the coil that adopts printing, etching, photoetching, plating or sputtering process moulding on the substrate of rotor sheet.
5. 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 with stator piece substrate identical materials or the coil brace made from described material is set in coil.
6. 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.
7. motor according to claim 1 is characterized in that: the supporter of end cap and stator piece is as casing.
8. according to each described motor of claim 2-7, it 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.
9. according to each described motor of claim 1-7, it is characterized in that: described motor is motor, generator or the motor that has electronic and electricity generate function concurrently.
10. a motor comprises end cap, stator and rotor, it is characterized in that:
Described rotor constitutes by one group of video disc shape rotor sheet is spacing is arranged on the electrical axis direction stacked, 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, and all rotor sheets are the magnet string of the identical formation multigap of the polar orientation string magnetic structure of corresponding each magnet in the axial direction;
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 connected to form the coil string of being made up of a plurality of parallel coil spaced apart by the principle that makes its induced potential direction unanimity;
The alternate with a gap embedding closed assembly of stator piece and rotor sheet is joined formation embedding dish formula structure, and the magnetic gap rotor that described coil string embeds described magnet string with a gap can rotate.
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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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| CN 201010112378 CN102148544B (en) | 2010-02-09 | 2010-02-09 | Multigap series magnetic disc-embedded type motor |
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| CN102148544B CN102148544B (en) | 2013-04-17 |
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| CN107847084A (en) * | 2015-07-24 | 2018-03-27 | 雀巢产品技术援助有限公司 | For making the utensil of beverage or food product foaming |
| 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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| WO2001084695A1 (en) * | 2000-04-28 | 2001-11-08 | Genius Ingenieur-Gesellschaft Mbh | Electrical machine comprising disc rotors |
| EP1265338A2 (en) * | 2001-06-06 | 2002-12-11 | Ebara Corporation | Vacuum pump |
| WO2008003986A1 (en) * | 2006-07-07 | 2008-01-10 | Imperial Innovations Limited | A wheel-mounted electrical machine |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107847084A (en) * | 2015-07-24 | 2018-03-27 | 雀巢产品技术援助有限公司 | For making the utensil of beverage or food product foaming |
| US10905287B2 (en) | 2015-07-24 | 2021-02-02 | Societe Des Produits Nestle S.A. | Appliance for foaming beverage or foodstuff |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102148544B (en) | 2013-04-17 |
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