CN203617810U - Stator disc and axial flux permanent magnet kinetic energy device - Google Patents
Stator disc and axial flux permanent magnet kinetic energy device Download PDFInfo
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- CN203617810U CN203617810U CN201320853542.4U CN201320853542U CN203617810U CN 203617810 U CN203617810 U CN 203617810U CN 201320853542 U CN201320853542 U CN 201320853542U CN 203617810 U CN203617810 U CN 203617810U
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a stator disc and an axial flux permanent magnet kinetic energy device. The stator disc comprises a substrate, a plurality of windings, at least one connection conductors, and electric current terminal connection conductors, wherein the substrate is provided with axle holes; the connection conductors are formed in the substrate; the windings are all or partially independent and are disposed on the substrate, the windings independent of one another being overall or partially connected by the connection inductors; and the electric current terminal connection conductors are formed in the substrate and connect the windings with a phase current.
Description
Technical field
The utility model relates to technical field of electrical equipment, and is particularly related to a kind of stator disc and axial flux permanent magnet kinetic energy apparatus.
Background technology
Axial magnetic flux desk permanent-magnet (AFPM) motor of stator iron-core-free, according to electromagnetic induction principle, electrical conductor produces magnetic field around, the winding that phase current flows through stator can produce rotating magnetic field (rotating mmf) in motor, and the rotor main pole that the rotor of permanent magnet produces is as same magnet, stator rotating magnetic field sorption p-m rotor, rotates by the direction of rotation of rotating magnetic field, thereby realizes the object of motor rotation.Due to axial magnetic flux disc-type permanent magnet motor iron-core-free, avoid the core loss therefore causing, at this, core loss is called for short " iron loss ", claim again " core loss ", " excitation loss ", refer in magnetic material due to the power loss that exists alternation or pulsating field to cause, with hot form performance, be divided into magnetic hysteresis loss and eddy current loss two parts, thereby higher than conventional motor rotation efficiency, and its also to have volume little, lightweight, power density is high, control performance is good, the advantages such as processing and manufacturing is simple, in addition, axial magnetic flux disc-type permanent magnet motor can also pass through the stator disc of varying number and the configuration of p-m rotor, realize different power requirements, therefore, axial magnetic flux disc-type permanent magnet motor has broad application prospects.
But the air gap of axial magnetic flux disc-type permanent magnet motor is very little, in order to improve the electrical characteristic of axial magnetic flux disc type electric machine, require the stator disc very thin thickness of axial magnetic flux disc-type permanent magnet motor and smooth.
The method of existing manufacture stator disc mainly comprises two kinds, coil winding stator disc and printed circuit board stator dish.
While adopting coil winding stator disc, because the connection between coil need to be by being welded to connect to realize between coil continuous coiling or wire, the efficiency of batch production is low, and in the time being made into stator disc, the connection wire between outer edge coil sections can be overlapping with coil, imbricate segment thickness is obviously increased, stator disc unevenness, can only adopt little wire diameter coil in addition, and power of motor is less.
And while adopting printed circuit board stator dish, as U.S. Pat 7109625, this patent relates to a kind of motor that to can be used as electric energy conversion be mechanical energy or mechanical energy is converted into the optimization axial field rotary energy device of the generator of electric energy, its stator disc, by stacking multiple circuit layers that are wherein furnished with multiple electronic units, reaches setting power and efficiency.Because its stator disc adopting is made by printed circuit board manufacturing process completely, the conductor lines of the cutting magnetic line working is printed on circuit board, wire diameter is subject to larger restriction, in order to reach setting power, need multilayer circuit board, and can only in low-power machine, apply, processing and fabricating cost is also higher.
Utility model content
In view of this, the utility model solves in prior art, in axial magnetic flux disc type permanent magnet motor or generator, and stator disc unevenness, wire diameter is little, and power is less, processed complex, cost of manufacture is compared with high-technology problem.
The utility model provides a kind of stator disc, and it comprises: substrate, multiple windings, at least one bonding conductor, and electric current terminal conductor; Described substrate has axis hole; Described bonding conductor is formed in described substrate, and all or part of independence of described multiple windings, is positioned on described substrate, each other independently winding by all or part of connection of described bonding conductor; Described electric current terminal bonding conductor is formed in described substrate, and described winding is connected with phase current.
Further, described winding comprises: first around limit and second around limit, wherein said first around limit and second around aperture axis described in edge to arranging.
Further, described winding is arranged radially around described axis hole.
Further, described multiple winding is multiple absolute coils.
Further, described coil wire diameter is 0.25 to 1.5 millimeter, and every phase winding total number of turns has 16 to 70 circles.
Further, described substrate is one side, and described multiple windings lay respectively at the one side of described substrate.
Further, described substrate is two-sided, and described multiple windings lay respectively at the two sides of described substrate.
Further, described substrate comprises: be connected in first via hole that runs through described substrate of described bonding conductor and be connected in second via hole that runs through described substrate of described electric current terminal bonding conductor, be positioned at all or part of winding on described substrate in order to connect.
Further, described substrate is two or more, and described multiple substrates are for being arranged under the overlay.
The utility model also provides a kind of axial flux permanent magnet kinetic energy apparatus, comprising: multiple rotor and arbitrary stator discs as above with many permanent magnet poles.
Further, described multiple rotors are arranged at respectively the two sides of described stator disc, make the permanent-magnet pole magnetic direction of described rotor perpendicular to described stator card.
Further, the power of described axial flux permanent magnet kinetic energy apparatus is at 50 watts to 5000 watts.
In sum, the stator disc that the utility model provides and axial flux permanent magnet kinetic energy apparatus, the winding that described stator disc adopts is single absolute coil, does not need multiple coil continuous coilings, and processing is simple, and production efficiency is high.Adopt single or double design simply cheaply for the substrate that is fixedly connected with winding, the multiple single coils of welded and installed, components and parts, the socket that is connected with controller on this substrate, mounting process is simple.
Secondly, utilize substrate realize connection between winding coil and install fixing, and the installation of other electron component and connector and connection, that has avoided that connection wire between winding coil brings is overlapping, effectively reduce the thickness of stator disc, guaranteed the smooth of stator disc; Meanwhile, increase the wire diameter of winding coil, or increase the substrate number that multiple windings are installed, can improve power and the power density of motor, improve the efficiency of motor.
Accompanying drawing explanation
Figure 1 shows that the structural representation of the stator disc that the utility model one embodiment provides;
Figure 2 shows that the structural representation of the winding that the utility model one embodiment provides;
Figure 3 shows that the structural representation of the stator disc that the utility model one embodiment provides;
Figure 4 shows that the axial flux permanent magnet kinetic energy apparatus that the utility model one embodiment provides;
Fig. 5 A is depicted as the Facad structure schematic diagram that is applicable to monophase current stator disc that the utility model one embodiment provides;
Fig. 5 B is depicted as the structure schematic diagram that is applicable to monophase current stator disc that the utility model one embodiment provides;
Fig. 5 C is depicted as the structural representation that is applicable to monophase current one side stator disc that the utility model one embodiment provides;
Fig. 5 D is depicted as the structural representation that is applicable to monophase current one side stator disc that another embodiment of the utility model provides;
Fig. 6 A is depicted as the Facad structure schematic diagram that is applicable to biphase current stator disc that another embodiment of the utility model provides;
Fig. 6 B is depicted as the structure schematic diagram that is applicable to biphase current stator disc that another embodiment of the utility model provides;
Fig. 6 C is depicted as the structural representation that is applicable to biphase current one side stator disc that the utility model one embodiment provides;
Fig. 7 A is depicted as the Facad structure schematic diagram that is applicable to three-phase current stator disc that another embodiment of the utility model provides;
Fig. 7 B is depicted as the structure schematic diagram that is applicable to three-phase current stator disc that another embodiment of the utility model provides;
Fig. 7 C is depicted as the structural representation that is applicable to three-phase current one side stator disc that the utility model one embodiment provides.
Embodiment
For the purpose of this utility model, feature are become apparent, below in conjunction with accompanying drawing, embodiment of the present utility model is further described.
In prior art, in axial magnetic flux disc type permanent magnet motor or generator, there is stator disc unevenness, wire diameter is little, power is less, processed complex, cost of manufacture is compared with high-technology problem, the utility model designs a kind of stator disc, it is according to the demand of power and the electric current number of phases, utilize a substrate to connect and be fixedly installed on the winding on substrate, thereby realize the connection between winding coil, not only technique is simple, reduce low cost of manufacture, and avoid connecting in conventional coil winding process overlapping between wire and coil, effectively reduce the thickness of stator disc, guarantee the smooth of stator disc, meanwhile, on limited area, can increase the wire diameter of winding coil, increase the number of turn of winding coil, or increase the substrate number that multiple windings are installed, improve power and the power density of motor and generator, avoid printed circuit board stator dish wire diameter little, the shortcoming that power is little.
Referring to Fig. 1, it is depicted as the structural representation of the stator disc of the utility model one embodiment.
In the present embodiment, this stator disc, comprising: substrate 110, multiple windings 120, at least one bonding conductor 130, and electric current terminal bonding conductor 140; Described substrate 110 has axis hole 111; Described bonding conductor 130 is formed in described substrate 110; The all or part of independence of described multiple winding 120, is positioned on described substrate 110, each other independently winding 120 by all or part of connection of described bonding conductor 130; Described electric current terminal bonding conductor 140 is formed in described substrate 110, and described winding 120 is connected with phase current.
This stator disc adopts substrate for fixing winding, and realizes the connection of all or part of winding by being arranged at conductor in substrate, and not only technique is simple, with low cost, and avoided the overlapping of winding, and effectively reduce the thickness of stator disc, guarantee the smooth of stator disc.
In the utility model embodiment, the mode that bonding conductor is formed in substrate can be, but not limited to following manner:
(1) bonding conductor is chimeric or be arranged in substrate after processing by designing requirement;
(2) in the situation that adopting printed circuit board (PCB) as substrate, the bonding conductor pattern designing is formed in printed circuit board (PCB).
In the case of adopting the substrate described in above-mentioned (2), because printed circuit board (PCB) processing is easy, can further enhance productivity and technology stability.
Referring to Fig. 2, it is depicted as the structural representation of the winding that the utility model one embodiment provides.
In the utility model embodiment, described winding in stator disc comprises: first around limit 210 and second around limit 220, wherein said first around limit 210 and second radially arrange along described axis hole 111 around limit 220, described in the utility model embodiment along aperture axis to first around limit and second refer to around limit in stator disc, play a role effectively around limit, for example: winding coil can be fan-shaped, also can turn to close to oval or square, but its all have equivalence along described axis hole radially-arranged perpendicular to magnetic direction play a role effectively around limit, for example, in electric device application, in the time that winding is switched on, in magnetic field, produce the magnetic field torsion centered by axis hole, thereby the rotor of drive motor rotates, make electric device work.And in Blast Furnace Top Gas Recovery Turbine Unit (TRT) application, in the time that permanent magnet rotor is rotated, can produce and turn with the rotary magnetic of winding coil interlinkage, thereby induce electromotive force in winding coil.
Referring to Fig. 3, it is depicted as the structural representation of the stator disc of the utility model one embodiment.
In the utility model embodiment, described winding is arranged radially around axis hole described in 310 111, in promoting the effective working region of winding, avoid the overlapping of winding, each phase current is not interfere with each other, avoid intersecting, and further reduce the thickness of stator disc, guaranteed the smooth of stator disc.
In the utility model embodiment, described multiple windings are multiple absolute coils, in process of manufacture, can distinguish processing separately, processing is more prone to, has avoided the difficulty of continuous coil coiling in the prior art, improved production efficiency, guarantee crudy, and under the prerequisite of assurance electrical characteristic, reduce the phase mutual interference between multiphase current, and avoided the overlapping of winding, effectively reduce the thickness of stator disc, guaranteed the smooth of stator disc.
In the present embodiment, winding coil can be adjusted according to the requirement of power, can increase the wire diameter of winding coil in the outfit of heavy-duty motor, increase the number of turn of winding coil, and then power and the power density of raising motor, the efficiency of raising motor, has expanded its scope of application.Preferably, in the utility model embodiment, described coil wire diameter is 0.25 to 1.5 millimeter, and the total number of turns of every phase winding is 16 to 70 numbers of turn.
In the utility model embodiment, described substrate is one side, and described multiple windings lay respectively at the one side of described substrate.
In the utility model embodiment, described substrate is two-sided, and described multiple windings lay respectively at the two sides of described substrate.
In the utility model embodiment, when described substrate is while being two-sided, described substrate comprises: be connected in the first via hole of described bonding conductor and be connected in the second via hole of described electric current terminal bonding conductor, be positioned at all or part of winding on described substrate to connect.By first and second via hole, all or part of winding coil on substrate two sides is linked together, make full use of the spatial accommodation of substrate, improve power density.
In the utility model embodiment, in order to reach more powerful instructions for use, the described substrate of stator disc is two or more, and described multiple substrate is for being arranged under the overlay.Fixing more windings can be installed thus on multiple substrates, in the time of work, export larger power, to meet the more demand of heavy-duty motor configuration.
Referring to Fig. 4, be depicted as the axial flux permanent magnet kinetic energy apparatus that the utility model one embodiment provides
In the utility model embodiment, this axial flux permanent magnet kinetic energy apparatus, comprising: multiple have the rotor 410 of many permanent magnet poles and an as above arbitrary stator disc 420 described in embodiment.The structure of described stator disc, as described in above-described embodiment, does not repeat them here.
In the utility model embodiment, described multiple rotor is arranged at respectively the two sides of described stator disc, make the permanent-magnet pole magnetic direction of described rotor perpendicular to described stator card, in the time that this axial flux permanent magnet kinetic energy apparatus is applied to electric device field, when stator disc energising, produce Lorentz force and drive rotor to rotate, make electric device work; In the time that this axial flux permanent magnet kinetic energy apparatus is applied to Blast Furnace Top Gas Recovery Turbine Unit (TRT) field, in the time that permanent-magnet pole rotor rotates, can produces with the rotary magnetic of winding coil interlinkage and turn, thereby induce electromotive force in winding coil.
In the utility model embodiment, the power of described axial flux permanent magnet kinetic energy apparatus is at 50 watts to 5000 watts.
Take disc permanent-magnet brushless dc motor as example, according to specified criteria, determine the physical dimension of model machine; Incorporation engineering design needs and emi analysis result is selected the relevant parameters such as air gap, yoke thickness, pole embrace; Obtain the close and magnetic flux numerical value of associated magnetic based on magnetostatic field emi analysis; Unloaded back-emf is based on reducing stator current, improving electric efficiency, reduces the temperature rise of motor and takes into account with the ratio of rated voltage and select in certain zone of reasonableness; Calculate every phase winding number of turn by back-emf formula, and consider the selection of winding coil number, finally determine the number of turn, and determine back-emf; Wire diameter and umber of turn consider the situations such as close, the electric loading of electricity, heat load and copper factor and determine; According to electromotive force constant and torque constant, determine power output; Bearing friction loss and armature are to the loss of windage based on empirical coefficient, and copper loss is based on electric current, resistance calculations; Finally obtain efficiency.According to definite series of parameters, make stator disc and model machine verification efficiency.
Below the design parameter according to the disc permanent-magnet brushless dc motor with the stator disc that above-described embodiment provides of 50 watts, 1200 watts of the design of above-mentioned method for designing:
Below take disk generator as example, this disk type coreless magneto alternator with the stator disc in above-described embodiment adopts intermediate stator structure, be that motor forms two air gaps by birotor and single stator, armature winding is radially-arranged, active conductor is positioned on the face in permanent magnet front, in the time that permanent magnet is dragged to synchronous speed by prime mover, will in air gap, produces with the rotary magnetic of armature winding interlinkage and turn, thereby in armature winding, induce three-phase alternating current electromotive force.
According to definite motor key dimension and winding data time, after the data such as unloaded useful flux, magnet inner magnet induction, considering current density, electric loading, the armature winding factor such as whether set aside concerns in stator disc space, the armature winding of this generator adopts enamelling cuprum round line, bare wire footpath is 0.9mm, 6 windings of every phase, every phase winding total number of turns is 66 circles; 18 coils altogether, 2 distributions, every 9 coils, finally make the power of the generator of the stator disc of this employing above-described embodiment reach 5000 watts, and rotating speed reaches 3600rpm/min.
In order more clearly to set forth the utility model, be illustrated below in conjunction with specific embodiment, following examples are take electric device as example, so it is not in order to limit the utility model, under any, in technical field, have and conventionally know that the knowledgeable is understanding after the utility model embodiment, this embodiment slightly can be done to distortion and be applied in Blast Furnace Top Gas Recovery Turbine Unit (TRT), be equally applicable to the utility model embodiment, not repeat them here.
Embodiment mono-:
Incorporated by reference to referring to Fig. 5 A and Fig. 5 B, it is depicted as monophase current winding that the utility model one embodiment the provides scheme of installation on circuit board.
This is applicable to the stator disc of monophase current, comprise: substrate 510, in this embodiment, substrate 510 is bilateral structure, winding is arranged at respectively its tow sides, it has axis hole in order to intert rotating shaft, and the first bonding conductor 521, the second bonding conductor 522 and the 3rd bonding conductor 523 are formed in described substrate 510; Electric current input terminal bonding conductor 541 is formed in described substrate 510, in order to connect monophase current with electric current outlet terminal bonding conductor 542.
On the first bonding conductor 521, the second bonding conductor 522 and the 3rd bonding conductor 523, be connected with respectively 6 via holes 551,552,553,554,555,556 that run through substrate, on described electric current terminal bonding conductor 541 and 542, be connected with respectively circuit input terminal via hole 561 and electric current outlet terminal via hole 562.
In the present embodiment, four windings 531,532,533,534 are arranged at respectively on substrate 510 tow sides, and as shown in Figure 5A, the first winding 531 and the tertiary winding 533 are arranged at the front of substrate 510; As shown in Figure 5 B, the second winding 532 and the 4th winding 534 are arranged at the reverse side of substrate 510.Each winding has two links, and realizes the connection between winding by bonding conductor and via hole.In the time that electric current is connected, electric current passes through a link of circuit input terminal via hole 561 and the first winding 531 from electric current input terminal bonding conductor 541, another link through the first winding 531 is connected with the first bonding conductor 521 by the first via hole 551, the first bonding conductor 521 is connected with one end of the second winding 532 that is positioned at substrate 510 back sides via the second via hole 552 again, the other end via the second winding 532 is connected with the second bonding conductor 522 by the 3rd via hole 553, the second bonding conductor 522 is connected with one end of the tertiary winding 533 that is positioned at substrate 510 fronts by the 4th via hole 554, the other end via the tertiary winding 533 is connected with the 3rd bonding conductor 523 by the 5th via hole 555, the 3rd bonding conductor 523 is connected with one end of the 4th winding 534 that is positioned at substrate 510 back sides via the 6th via hole 556 again, the other end of the 4th winding 534 is connected with electric current outlet terminal bonding conductor 542 by electric current outlet terminal via hole 562, be in turn connected to form like this current circuit.
In the time that electric current is connected, in four windings, just have continuous current and flow, under the effect of vertical magnetic field, produce the rotating mmf around axis hole, rotor driven rotates.
In another embodiment of the utility model, four windings also can be arranged at the one side of substrate simultaneously, are connected as shown in Figure 5 C by three bonding conductors, do not repeat them here.
In another embodiment of the present utility model, four windings also can be arranged at the one side of substrate simultaneously, are connected as shown in Figure 5 D by a bonding conductor, do not repeat them here.In figure, dotted line does not represent in all senses.
Embodiment bis-:
Incorporated by reference to referring to Fig. 6 A and Fig. 6 B, it is depicted as biphase current winding that the utility model one embodiment the provides scheme of installation on circuit board.
This is applicable to the stator disc of biphase current, comprise: substrate 610, in this embodiment, substrate 510 is bilateral structure, 8 windings are arranged at respectively its tow sides, it has axis hole 611 in order to intert rotating shaft, and six bonding conductors 621,622,623,624,625,626 are formed in described substrate 610; On six bonding conductors, be connected with respectively 12 via holes 6501～6512 that run through substrate 610; Four windings 631,634,635,638 are arranged at the front of substrate 610, and four windings 632,633,636,637 are arranged at the back side of substrate 610, and each winding has two links, and realize the connection between winding by bonding conductor and via hole.First and second phase current input terminal bonding conductor 641,642 and electric current outlet terminal bonding conductor 643 are formed in described substrate, be connected in first and second phase current input terminal via hole 661,662 and the electric current outlet terminal via hole 663 of described electric current terminal bonding conductor, in order to connect phase current.
In the time that biphase current is connected, first-phase electric current enters a link of the first winding 631 by first-phase electric current input terminal via hole 661 from first-phase electric current input terminal bonding conductor 641, another link through the first winding 631 is connected with the first bonding conductor 621 by the first via hole 6501, the first bonding conductor 621 is connected with one end of the second winding 633 that is arranged at substrate 610 back sides by the second via hole 6502 again, the other end via the second winding 633 is connected with the second bonding conductor 622 by the 3rd via hole 6503, the second bonding conductor 622 is connected with one end of the tertiary winding 635 that is positioned at substrate 610 fronts by the 4th via hole 6504, the other end via the tertiary winding 635 is connected with the 3rd bonding conductor 623 by the 5th via hole 6505, the 3rd bonding conductor 623 is connected with one end of the 4th winding 637 that is arranged at substrate 610 back sides by the 6th via hole 6506 again, the other end of the 4th winding 637 is connected with electric current outlet terminal 643 by electric current outlet terminal via hole 663, be in turn connected to form like this loop.
Second-phase electric current enters a link of the 5th winding 632 that is positioned at substrate 610 back sides by second-phase electric current input terminal via hole 662 from second-phase electric current input terminal bonding conductor 642, another link through the 5th winding 632 is connected with the 4th bonding conductor 624 by the 7th via hole 6507, the 4th bonding conductor 624 by the 8th via hole 6508 again be arranged at substrate 610 fronts one end of the 6th winding 634 be connected, the other end via the 6th winding 634 is connected with the 5th bonding conductor 625 via the 9th via hole 6509, the 5th bonding conductor 625 is connected with one end of the 7th winding 636 by the tenth via hole 6510, the other end via the 7th winding 636 is connected with the 6th bonding conductor 626 via the 11 via hole 6511, the 6th bonding conductor 626 again by the 12 via hole 6512 be arranged at substrate 610 another sides on one end of the 8th winding 638 be connected, the 8th winding 638 is connected with electric current outlet terminal bonding conductor 643 by electric current outlet terminal via hole 663, be in turn connected to form like this current circuit.
In the time that biphase current is connected, in eight windings, just have continuous current and flow, according to electromagnetic induction principle, electrical conductor produces magnetic field around, produce the rotating mmf around axis hole, thereby rotor driven rotates under the effect of vertical magnetic field.
In another embodiment of the utility model, 8 windings also can be arranged at the one side of substrate simultaneously, as shown in Figure 6 C, do not repeat them here.
Embodiment tri-:
Incorporated by reference to referring to Fig. 7 A and Fig. 7 B, it is depicted as three-phase current winding that the utility model one embodiment the provides scheme of installation on circuit board.
The stator disc that this is applicable to biphase current, comprising: substrate 710, in this embodiment, substrate 710 is bilateral structure, 12 windings can be arranged at respectively its tow sides, and it has axis hole in order to intert rotating shaft, and nine bonding conductors 721～729 are formed in described substrate 710; On nine bonding conductors, be connected with respectively 18 via holes 7501～7518 that run through substrate 710; Six windings 7301～7306 are arranged at the front of substrate 710, and six windings 7307～7312 are arranged at the back side of substrate 710, and each winding has two links, and realize the connection between winding by bonding conductor and via hole.First, second and third phase current input terminal bonding conductor 741,742,743 and electric current outlet terminal bonding conductor 744 are formed in described substrate, be connected in first and second phase current input terminal via hole 761,762,763 and electric current outlet terminal via hole 764 of described electric current terminal bonding conductor, in order to connect phase current.
In the time that three-phase current is connected, first-phase electric current enters a link of the first winding 7301 by first-phase electric current input terminal via hole 761 from first-phase electric current input terminal bonding conductor 741, another link through the first winding 7301 is connected with the first bonding conductor 721 by the first via hole 7501, the first bonding conductor 721 is connected with one end of the second winding 7308 that is arranged at substrate 610 back sides by the second via hole 7502 again, the other end via the second winding 7308 is connected with the second bonding conductor 724 by the 3rd via hole 7507, the second bonding conductor 724 is connected with one end of the tertiary winding 7304 that is positioned at substrate 710 fronts by the 4th via hole 7508, the other end via the tertiary winding 7304 is connected with the 3rd bonding conductor 727 by the 5th via hole 7513, the 3rd bonding conductor 727 is connected with one end of the 4th winding 7311 that is arranged at substrate 710 back sides by the 6th via hole 7514 again, the other end of the 4th winding 7311 is connected with electric current outlet terminal 744 by electric current outlet terminal via hole 764, be in turn connected to form like this loop.
Second and third phase current is communicated with similar as mentioned above, does not repeat them here.
In three-phase electricity, every phase current is all through four single coil windings, and wherein two single coil windings are oppositely disposed in the one side of substrate, and two other single coil windings is oppositely disposed in the another side of substrate, the arranging as cross type of two sides; Four single coil windings of every phase current are finally connected with electric current outlet terminal 744 by outlet terminal via hole 764, and this outlet terminal forms the blind end of circuit.
Thus, stator disc at motor passes into three-phase alternating current, according to electromagnetic induction principle, electrical conductor produces magnetic field around, the three-phase current winding that three-phase alternating current flows through stator disc can produce rotating magnetic field (rotating mmf) in motor, and the rotor main pole that permanent magnet produces is by the direction of rotation rotor driven rotation of rotating magnetic field.
In another embodiment of the utility model, 12 windings also can be arranged at the one side of substrate simultaneously, as shown in Fig. 7 C, do not repeat them here.
In sum, the stator disc that the utility model embodiment provides and axial flux permanent magnet kinetic energy apparatus, have following obvious advantage:
First, the winding that described stator disc adopts is single independent winding coil, does not need multiple coil continuous coilings, and processing is simple, and production efficiency is high.Adopt single or double design simply cheaply for being fixedly connected with the substrate of winding, bonding conductor is formed in described substrate.The multiple single coils of welded and installed, components and parts, socket of being connected with controller etc. on this substrate, mounting process is simple.
Secondly, utilize substrate to realize connection between winding coil and install fixingly, and the installation of other electron component and connector and connection, avoided connecting in conventional coil winding process overlapping between wire and coil, effectively reduce the thickness of stator disc, guaranteed the smooth of stator disc.Adopting under the mode of substrate two-sided layout coil, can also avoid the interference between electric current overlapping caused between winding coil, significantly promoting electrical characteristic;
The 3rd, by increasing the wire diameter of winding coil, or increase the substrate number that multiple windings are installed, can increase substantially power and the power density of motor, improve the efficiency of motor.
Although the utility model discloses as above with preferred embodiment; so it is not in order to limit the utility model; under any, in technical field, have and conventionally know the knowledgeable; not departing from spirit and scope of the present utility model; when doing various variations and retouching, therefore protection range of the present utility model is when being as the criterion depending on claims person of defining.
Claims (12)
1. a stator disc, is characterized in that, comprising:
Substrate, multiple windings, at least one bonding conductor, and electric current terminal bonding conductor;
Described substrate has axis hole;
Described bonding conductor is formed in described substrate;
The all or part of independence of described multiple winding, is positioned on described substrate, each other independently winding by all or part of connection of described bonding conductor;
Described electric current terminal bonding conductor is formed in described substrate, and described winding is connected with phase current.
2. stator disc according to claim 1, is characterized in that, described winding comprises: first around limit and second around limit, wherein said first around limit and second around aperture axis described in edge to arranging.
3. stator disc according to claim 1, is characterized in that, described winding is arranged radially around described axis hole.
4. stator disc according to claim 1, is characterized in that, described multiple windings are multiple absolute coils or part absolute coil.
5. stator disc according to claim 4, is characterized in that, described coil wire diameter is 0.25 to 1.5 millimeter, and the total number of turns of every phase winding has 16 to 70 circles.
6. stator disc according to claim 1, is characterized in that, described substrate is one side, and described multiple windings lay respectively at the one side of described substrate.
7. stator disc according to claim 1, is characterized in that, described substrate is two-sided, and described multiple windings lay respectively at the two sides of described substrate.
8. stator disc according to claim 1, it is characterized in that, described substrate comprises: be connected in first via hole that runs through described substrate of described bonding conductor and be connected in second via hole that runs through described substrate of described electric current terminal bonding conductor, be positioned at all or part of winding on described substrate in order to connect.
9. stator disc according to claim 1, is characterized in that, described substrate is two or more, and described multiple substrates are for being arranged under the overlay.
10. an axial flux permanent magnet kinetic energy apparatus, is characterized in that, comprising: multiple have the rotor of many permanent magnet poles and an arbitrary stator disc as described in claim 1 to 9.
11. axial flux permanent magnet kinetic energy apparatus according to claim 10, is characterized in that, described multiple rotors are arranged at respectively the two sides of described stator disc, make the permanent-magnet pole magnetic direction of described rotor perpendicular to described stator card.
12. axial flux permanent magnet kinetic energy apparatus according to claim 10, is characterized in that, the power of described axial flux permanent magnet kinetic energy apparatus is at 50 watts to 5000 watts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320853542.4U CN203617810U (en) | 2013-12-20 | 2013-12-20 | Stator disc and axial flux permanent magnet kinetic energy device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320853542.4U CN203617810U (en) | 2013-12-20 | 2013-12-20 | Stator disc and axial flux permanent magnet kinetic energy device |
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| CN203617810U true CN203617810U (en) | 2014-05-28 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734389A (en) * | 2013-12-20 | 2015-06-24 | 湖北海山科技有限公司上海分公司 | Stator disk and axial flux permanent magnet kinetic energy device |
| WO2016061821A1 (en) * | 2014-10-24 | 2016-04-28 | 峰岹科技（深圳）有限公司 | High-power density winding structure, method and motor having axial magnetic field |
| CN110100372A (en) * | 2016-12-22 | 2019-08-06 | 阿莫泰克有限公司 | Using the laminated type stator of multilager base plate, utilize its ultrathin motor and air cleaning system pressure fan |
-
2013
- 2013-12-20 CN CN201320853542.4U patent/CN203617810U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734389A (en) * | 2013-12-20 | 2015-06-24 | 湖北海山科技有限公司上海分公司 | Stator disk and axial flux permanent magnet kinetic energy device |
| WO2016061821A1 (en) * | 2014-10-24 | 2016-04-28 | 峰岹科技（深圳）有限公司 | High-power density winding structure, method and motor having axial magnetic field |
| CN110100372A (en) * | 2016-12-22 | 2019-08-06 | 阿莫泰克有限公司 | Using the laminated type stator of multilager base plate, utilize its ultrathin motor and air cleaning system pressure fan |
| CN110100372B (en) * | 2016-12-22 | 2021-02-02 | 阿莫泰克有限公司 | Laminated stator, ultra-thin motor, and blower for air purification system |
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