CN105896760A - Disc-type coreless permanent magnet motor employing modular PCB stator - Google Patents
Disc-type coreless permanent magnet motor employing modular PCB stator Download PDFInfo
- Publication number
- CN105896760A CN105896760A CN201610369132.0A CN201610369132A CN105896760A CN 105896760 A CN105896760 A CN 105896760A CN 201610369132 A CN201610369132 A CN 201610369132A CN 105896760 A CN105896760 A CN 105896760A
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- China
- Prior art keywords
- pcb
- stator
- disc
- permanent magnet
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/26—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors consisting of printed conductors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Windings For Motors And Generators (AREA)
Abstract
The invention discloses a disc-type coreless permanent magnet motor employing a modular PCB stator. The disc-type coreless permanent magnet motor comprises a rotor and a stator, wherein the stator is formed by superimposing PCBs along the axial direction; each PCB is at least divided into two modules; the same winding coils are evenly printed on each module along the circumferential direction; the winding coils of two adjacent modules in the circumferential direction are connected in series or in parallel; and the winding coils of two adjacent PCBs in the axial direction are connected in series or in parallel. By the disc-type coreless permanent magnet motor, the production cost is reduced; the power density of the motor is improved; and the disc-type coreless permanent magnet motor is suitable for being used as the disc-type permanent magnet motors with all structure types.
Description
Technical field
The present invention relates to a kind of disc type electric machine, in particular, relate to a kind of application module PCB stator
Disc-type coreless permanent magnet motor.
Background technology
Disc-type permanent magnet motor belongs to the motor of axial magnetic flux, and it is compared with traditional radial flux configurations motor, it
Structure simpler, and the advantage such as it is little to possess volume, light weight, is lost little, and efficiency is high, reliable.Mirror
In these advantages of disc-type permanent magnet motor, such motor is very suitable for as high performance servo motor and high-torque straight
Connect driving motor, and be widely used to electromechanical integration equipment, be particularly suitable for application to electric vehicle, can
Regeneration energy resource system, flywheel energy storage system etc. require the occasion of high torque density and tight space.
One of major advantage of disc type electric machine is its low-profile, and structure is exquisite, and in order to ensure disc type electric machine
Dimensions is in certain restrictive condition, and the length of its air gap is also subject to certain restrictions, thus limits and determine
The spatial dimension that the arrangement of sub-winding can occupy.The manufacture of disc armature is that the manufacture of disc type permanent magnet synchronous electric motor is closed
One of key, the forming technology of winding and motor gas-gap size, the consumption of permanent magnet material etc. has close relationship.
From the point of view of being taken up space, to apply traditional stator armature in disc type electric machine, iron core needs slot-wound bobbin,
Occupy bigger spatial volume, eddy-current loss, cogging torque fluctuation etc. also can be brought to affect.Disc type electric machine winds
The fluting complexity unshakable in one's determination of structure, automatization's inserting-coil process is complicated, therefore from the point of view of batch production, ventional disc
Motor stator winding armature inconvenience large-scale production.
Summary of the invention
The invention aims to overcome deficiency of the prior art, it is provided that a kind of application module PCB stator
Disc-type coreless permanent magnet motor, reduce production cost, improve the power density of motor.
It is an object of the invention to be achieved through the following technical solutions.
The disc-type coreless permanent magnet motor of a kind of application module PCB stator of the present invention, including rotor with fixed
Son, described stator is formed by PCB is axially stacked, and each described PCB is at least divided into two
Individual module, each described module is the most uniformly printed with identical winding coil, adjacent two institutes in circumference
The winding coil stating module is connected in series or in parallel, the winding coil of axial adjacent two described PCB
Connected in series or in parallel.
Constitute the module of described PCB to be all respectively arranged with along two diameter limits and be conductively connected hole, and both sides
Described be conductively connected hole dislocation alignment, the positive pole of the winding coil in described module is all connected with being conductively connected of side
Hole, what the negative pole of the winding coil in described module was all connected with opposite side is conductively connected hole.
In circumference, the winding coil of adjacent two described modules is connected by the connection being conductively connected between hole
Or in parallel, the winding coil of axial adjacent two described PCB is by the connection being conductively connected between hole
Carry out serial or parallel connection.
The hole number that is conductively connected that described module is arranged along every diameter limit is equal to what described module itself was printed
Winding coil quantity.
At least provided with two winding coils in described each module.
Constitute and be fixed by welding or bolt or ring support between the PCB of described stator.
Compared with prior art, technical scheme is had the benefit that
(1) in the present invention, stator is formed by PCB is axially stacked, increases counter electromotive force or electric current
Output, to improve capacity motor, the inter-air space can be made full use of, it is to avoid machine coiling and coil also oxygen is solid
The problems such as change, effectively simplify armature manufacturing process, alleviate motor weight, make axial space compacter,
Coil location is more accurate, improves its stability simultaneously；
(2) in the present invention, PCB is at least divided into two modules, it is to avoid PCB size
Print the phenomenon of the impedance increase that lines length causes time excessive, improve noise resisting ability, saved cost；
(3), in the present invention, the module of PCB is all respectively arranged with along two diameter limits and is conductively connected hole,
Can realize output voltage and the regulation of output electric current by diversified connection in series-parallel on axial and axial,
Assemble each stator modules neatly to reach different motor performance requirement, and modular stator low cost, hold
Mistake is strong, it is simple to keeps in repair and changes, and motor is capable of the output of stable power and torque exports；
(4) present invention alleviates the excessive relevant issues brought of large-scale disk type electric machine stator to a certain extent,
Enhance the manufacture motility of motor, operational reliability, maintainability, fault-tolerance, it is simple to keep in repair and change,
Also it is highly convenient for intermodule winding insulation, simplifies armature manufacturing process and printed circuit board assembling process,
Greatly reduce armature production cost, improve production efficiency.
Accompanying drawing explanation
Fig. 1 is the PCB module diagram constituting stator of the present invention；
Fig. 2 is the PCB schematic diagram of winding coil series connection in the present invention；
Fig. 3 is that in the present invention, winding coil is combined series-parallel PCB schematic diagram.
Reference: 1PCB circuit board；2 modules；3 winding coils；4 are conductively connected hole.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
The disc-type coreless permanent magnet motor of a kind of application module PCB stator of the present invention, including permanent magnet and the back of the body
The basic structures such as rotor portion, bearing, end cap and the stator that ferrum is constituted, in electrode, main field is encouraged by permanent magnet
Producing, motor magnetic flux direction be axially, stator non iron-core slotless, it is to avoid the eddy current damage that stator core brings
Consumption, and the torque pulsation that stator teeth groove brings.Described rotor is spliced on rotor frame by permanent magnet material or viscous
Connect and combine.Described stator is formed by the PCB 1 of polylith identical appearance is axially stacked, increases anti-
Electromotive force or the output of electric current, to improve capacity motor, constitute between the PCB 1 of described stator axial
Alignment, and by welding or bolt or ring support or be fixed with the combination of upper type.Each described PCB
Circuit board 1 is designed as the entirety being connected by several identical modules 2, being combined, and is at least divided into two
Equal modules 2, the cut-off rule between adjacent block 2, for being disposed radially, is welded and fixed between described module 2,
There is in circumferential direction the characteristic of Modularized splice equally.Phase the most uniformly it is printed with in each described module 2
Same winding coil 3, described winding coil 3 is made up of Copper Foil, and the number of turn and the cincture direction of winding coil 3 are equal
Identical, each winding coil 3 respectively accounts for a region of the same area, and i.e. one region belongs to a phase, described often
At least provided with two winding coils 3 in individual module 2, the number of described winding coil 3 can be according to number of motor phases
It is determined.Constitute the module 2 of described PCB 1 to be all respectively arranged with along two diameter limits and be conductively connected
Hole 4, and be conductively connected hole 4 dislocation alignment described in both sides, described in be conductively connected the quantity in hole 4 can be according to winding
The number of coil 3 is determined, and it is equal in number that what described module 2 was arranged along every diameter limit is conductively connected hole 4
In winding coil 3 quantity that described module 2 is printed itself.The positive pole of the winding coil 3 in described module 2 is equal
Connect side respectively is conductively connected hole 4, and the negative pole of the winding coil 3 in described module 2 connects separately respectively
Side be conductively connected hole 4.In circumference, the winding coil 3 of adjacent two described modules 2 is by being conductively connected hole
Connection between 4 carries out serial or parallel connection, the winding coil 3 of axial adjacent two described PCB 1
Carry out serial or parallel connection by the connection being conductively connected between hole 4, by multiple series-parallel system, realize many
Plant motor performance requirement.The diversified connection of module can make a same motor according to different performance requirement, leads to
Cross and convert multiple armature structure to realize multi-form output.
Electric machine structure could be arranged to single-side structural (single stator single rotor structure), bilateral structure (double rotor single
Stator structure, bimorph transducer single rotor structure), the various topological structures such as multi-disc type structure (the many rotors of multiple stators).
Embodiment
The present invention is single stator and double-rotor structure, and rotor portion includes back iron support member and surface-mount type neodymium iron boron forever
Magnet, described stator is stacked by several identical annular PCB 1 and constitutes, and outside can be by end cap pressure
Tight thickness is screwed, and PCB 1 is divided into four 90 ° fan annular module 2, between modules 2
Axially connect through and position, multiple hole is set at each module 2 internal diameter or outer radius realizes, as it is shown in figure 1,
Each module 2 is the most uniformly printed with three winding coils 3, and winding coil 3 is set to spiral type, respectively
Six wire hole such as A of positive and negative three-phase are set+、B+、C+And A-、B-、C-, three, positive pole is conductively connected hole 4
A diameter limit arranged radially along module 2, in order to the follow-up connection with adjacent block 2, reduces even simultaneously
The length of wiring.It is same along another diameter limit arranged radially that three of negative pole are conductively connected hole 4, but it is radially
Three of position and positive pole are conductively connected hole 4 dislocation and align, as set A-With B+It is in same radius position, B-
With C+It is in same radius position, by this arrangement, when adjacent fan annular module 2 is connected, such as Fig. 2
Shown in, the virgule A by previous fan annular module can be directly utilized+、B+、C+(A-、B-、C-) with rear one
The A of fan annular module-、B-、C-(A+、B+、C+) be connected, during adjacent fan annular module parallel connection, such as Fig. 3 institute
Show, can be by three concentric arc lines by the A of previous fan annular module+、B+、C+(A-、B-、C-) and after
The A of one fan annular module+、B+、C+(A-、B-、C-) be connected, after parallel connection, then formed with two other module
Series connection, such being designed to simplifies wiring, and the trace arrangements making PCB is more visual and clear.
Although function and the work process of the present invention being described above in conjunction with accompanying drawing, but the present invention not office
Be limited to above-mentioned concrete function and work process, above-mentioned detailed description of the invention be only schematically rather than
Restrictive, those of ordinary skill in the art is under the enlightenment of the present invention, without departing from present inventive concept and power
Profit requires under the ambit protected, it is also possible to make a lot of form, these belong to the present invention protection it
In.
Claims (6)
1. a disc-type coreless permanent magnet motor for application module PCB stator, including rotor and stator, its feature
Being, described stator is formed by PCB is axially stacked, and each described PCB is at least divided into
Two modules, each described module is the most uniformly printed with identical winding coil, in circumference adjacent two
The winding coil of described module is connected in series or in parallel, the winding wire of axial adjacent two described PCB
Enclose connected in series or in parallel.
The disc-type coreless permanent magnet motor of a kind of application module PCB stator the most according to claim 1, its
It is characterised by, constitutes the module of described PCB and be all respectively arranged with along two diameter limits and be conductively connected hole,
And described in both sides, it being conductively connected hole dislocation alignment, the positive pole of the winding coil in described module is all connected with leading of side
Electrical connection hole, what the negative pole of the winding coil in described module was all connected with opposite side is conductively connected hole.
The disc-type coreless permanent magnet motor of a kind of application module PCB stator the most according to claim 2, its
Being characterised by, in circumference, the winding coil of adjacent two described modules is carried out by the connection being conductively connected between hole
Serial or parallel connection, the winding coil of axial adjacent two described PCB is by being conductively connected between hole
Connect and carry out serial or parallel connection.
The disc-type coreless permanent magnet motor of a kind of application module PCB stator the most according to claim 2, its
Being characterised by, the hole number that is conductively connected that described module is arranged along every diameter limit is equal to described module print itself
The winding coil quantity of system.
The disc-type coreless permanent magnet motor of a kind of application module PCB stator the most according to claim 1, its
It is characterised by, at least provided with two winding coils in described each module.
The disc-type coreless permanent magnet motor of a kind of application module PCB stator the most according to claim 1, its
It is characterised by, constitutes and carry out solid by welding or bolt or ring support between the PCB of described stator
Fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610369132.0A CN105896760A (en) | 2016-05-27 | 2016-05-27 | Disc-type coreless permanent magnet motor employing modular PCB stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610369132.0A CN105896760A (en) | 2016-05-27 | 2016-05-27 | Disc-type coreless permanent magnet motor employing modular PCB stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105896760A true CN105896760A (en) | 2016-08-24 |
Family
ID=56709170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610369132.0A Pending CN105896760A (en) | 2016-05-27 | 2016-05-27 | Disc-type coreless permanent magnet motor employing modular PCB stator |
Country Status (1)
| Country | Link |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736593A (en) * | 2018-08-20 | 2018-11-02 | 上海适达动力科技股份有限公司 | Snakelike wound stator and motor |
| CN108847735A (en) * | 2018-06-21 | 2018-11-20 | 东南大学 | A kind of flywheel high-speed motor using PCB spiral shape winding |
| US10135310B2 (en) | 2017-01-11 | 2018-11-20 | Infinitum Electric Inc. | System and apparatus for modular axial field rotary energy device |
| CN108964319A (en) * | 2018-06-21 | 2018-12-07 | 东南大学 | A kind of flywheel high-speed motor using PCB waveform winding |
| US10186922B2 (en) | 2017-01-11 | 2019-01-22 | Infinitum Electric Inc. | System and apparatus for axial field rotary energy device |
| CN109842229A (en) * | 2019-02-27 | 2019-06-04 | 上海崴崖实业有限公司 | A kind of stator structure based on disc-type permanent magnet motor winding |
| CN109842228A (en) * | 2019-02-27 | 2019-06-04 | 上海崴崖实业有限公司 | A kind of stator structure based on non iron-core disc type electric machine |
| CN109995166A (en) * | 2019-04-30 | 2019-07-09 | 天津大学 | A kind of stator structure of multiple branch circuit adjustable type PCB winding |
| CN110011449A (en) * | 2019-04-02 | 2019-07-12 | 上海大学 | A kind of very thin disc type winding |
| CN110492645A (en) * | 2019-08-26 | 2019-11-22 | 北京理工大学 | A kind of three-dimensional magnetic field PCB winding arrangement and motor |
| CN111293798A (en) * | 2020-02-18 | 2020-06-16 | 天津大学 | Permanent magnet synchronous motor with axial magnetic field composite PCB stator and iron core |
| US11177726B2 (en) | 2017-01-11 | 2021-11-16 | Infinitum Electric, Inc. | System and apparatus for axial field rotary energy device |
| US11183896B2 (en) | 2020-01-14 | 2021-11-23 | Infinitum Electric, Inc. | Axial field rotary energy device having PCB stator and variable frequency drive |
| US11201516B2 (en) | 2018-03-26 | 2021-12-14 | Infinitum Electric, Inc. | System and apparatus for axial field rotary energy device |
| US11283319B2 (en) | 2019-11-11 | 2022-03-22 | Infinitum Electric, Inc. | Axial field rotary energy device with PCB stator having interleaved PCBS |
| CN114243955A (en) * | 2021-12-13 | 2022-03-25 | 浙江大学 | Lightweight disc type motor based on printed circuit board |
| WO2022141363A1 (en) * | 2020-12-31 | 2022-07-07 | 余仁伟 | Disc-type motor stator and winding method therefor |
| US20220263388A1 (en) * | 2021-02-17 | 2022-08-18 | E-Circuit Motors, Inc. | Planar stator configurations for axial flux machines |
| US11482908B1 (en) | 2021-04-12 | 2022-10-25 | Infinitum Electric, Inc. | System, method and apparatus for direct liquid-cooled axial flux electric machine with PCB stator |
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| CN102130563A (en) * | 2011-03-01 | 2011-07-20 | 刘行 | Disc type permanent magnet motor comprising winding in printed circuit board structure |
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| CN110192328A (en) * | 2017-01-11 | 2019-08-30 | 无限电气公司 | System and equipment for modularization axial field rotating energy device |
| US10727712B2 (en) | 2017-01-11 | 2020-07-28 | Infinitum Electric, Inc. | System and apparatus for axial field rotary energy device |
| US10135310B2 (en) | 2017-01-11 | 2018-11-20 | Infinitum Electric Inc. | System and apparatus for modular axial field rotary energy device |
| US10141804B2 (en) | 2017-01-11 | 2018-11-27 | Infinitum Electric Inc. | System, method and apparatus for modular axial field rotary energy device |
| EP3568899A4 (en) * | 2017-01-11 | 2020-08-19 | Infinitum Electric Inc. | System and apparatus for modular axial field rotary energy device |
| US10680479B2 (en) | 2017-01-11 | 2020-06-09 | Infinitum Electric, Inc. | System and apparatus for axial field rotary energy device |
| US10819174B2 (en) | 2017-01-11 | 2020-10-27 | Infinitum Electric, Inc. | System and apparatus for segmented axial field rotary energy device |
| US10186922B2 (en) | 2017-01-11 | 2019-01-22 | Infinitum Electric Inc. | System and apparatus for axial field rotary energy device |
| US10141803B2 (en) | 2017-01-11 | 2018-11-27 | Infinitum Electric Inc. | System and apparatus for axial field rotary energy device |
| US10340760B2 (en) | 2017-01-11 | 2019-07-02 | Infinitum Electric Inc. | System and apparatus for segmented axial field rotary energy device |
| EP4007123A1 (en) * | 2017-01-11 | 2022-06-01 | Infinitum Electric Inc. | System and apparatus for modular axial field rotary energy device |
| US11177726B2 (en) | 2017-01-11 | 2021-11-16 | Infinitum Electric, Inc. | System and apparatus for axial field rotary energy device |
| US11201516B2 (en) | 2018-03-26 | 2021-12-14 | Infinitum Electric, Inc. | System and apparatus for axial field rotary energy device |
| CN108847735A (en) * | 2018-06-21 | 2018-11-20 | 东南大学 | A kind of flywheel high-speed motor using PCB spiral shape winding |
| CN108964319A (en) * | 2018-06-21 | 2018-12-07 | 东南大学 | A kind of flywheel high-speed motor using PCB waveform winding |
| CN108736593A (en) * | 2018-08-20 | 2018-11-02 | 上海适达动力科技股份有限公司 | Snakelike wound stator and motor |
| CN109842228A (en) * | 2019-02-27 | 2019-06-04 | 上海崴崖实业有限公司 | A kind of stator structure based on non iron-core disc type electric machine |
| CN109842229A (en) * | 2019-02-27 | 2019-06-04 | 上海崴崖实业有限公司 | A kind of stator structure based on disc-type permanent magnet motor winding |
| CN110011449A (en) * | 2019-04-02 | 2019-07-12 | 上海大学 | A kind of very thin disc type winding |
| CN109995166A (en) * | 2019-04-30 | 2019-07-09 | 天津大学 | A kind of stator structure of multiple branch circuit adjustable type PCB winding |
| CN110492645A (en) * | 2019-08-26 | 2019-11-22 | 北京理工大学 | A kind of three-dimensional magnetic field PCB winding arrangement and motor |
| US11283319B2 (en) | 2019-11-11 | 2022-03-22 | Infinitum Electric, Inc. | Axial field rotary energy device with PCB stator having interleaved PCBS |
| US11777354B2 (en) | 2019-11-11 | 2023-10-03 | Infinitum Electric, Inc. | Axial field rotary energy device having PCB stator with non-linear traces |
| US11336139B2 (en) | 2019-11-11 | 2022-05-17 | Infinitum Electric, Inc. | Axial field rotary energy device with PCB stator panel having thermally conductive layer |
| US11710995B2 (en) | 2019-11-11 | 2023-07-25 | Infinitum Electric, Inc. | Axial field rotary energy device with segmented PCB stator having thermally conductive layer |
| US11509179B2 (en) | 2020-01-14 | 2022-11-22 | Infinitum Electric, Inc. | Axial field rotary energy device having PCB stator and variable frequency drive |
| US11183896B2 (en) | 2020-01-14 | 2021-11-23 | Infinitum Electric, Inc. | Axial field rotary energy device having PCB stator and variable frequency drive |
| CN111293798A (en) * | 2020-02-18 | 2020-06-16 | 天津大学 | Permanent magnet synchronous motor with axial magnetic field composite PCB stator and iron core |
| WO2022141363A1 (en) * | 2020-12-31 | 2022-07-07 | 余仁伟 | Disc-type motor stator and winding method therefor |
| US11626779B2 (en) * | 2021-02-17 | 2023-04-11 | E-Circuit Motors, Inc. | Planar stator having discrete segments with different winding characteristics |
| US20220263388A1 (en) * | 2021-02-17 | 2022-08-18 | E-Circuit Motors, Inc. | Planar stator configurations for axial flux machines |
| US11482908B1 (en) | 2021-04-12 | 2022-10-25 | Infinitum Electric, Inc. | System, method and apparatus for direct liquid-cooled axial flux electric machine with PCB stator |
| CN114243955A (en) * | 2021-12-13 | 2022-03-25 | 浙江大学 | Lightweight disc type motor based on printed circuit board |
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