CN106451848A - PCB (Printed Circuit Board)-stator permanent-magnet differential motor of electromobile - Google Patents
PCB (Printed Circuit Board)-stator permanent-magnet differential motor of electromobile Download PDFInfo
- Publication number
- CN106451848A CN106451848A CN201610873794.1A CN201610873794A CN106451848A CN 106451848 A CN106451848 A CN 106451848A CN 201610873794 A CN201610873794 A CN 201610873794A CN 106451848 A CN106451848 A CN 106451848A
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- CN
- China
- Prior art keywords
- permanent magnet
- stator
- pcb
- pcb board
- magnetic
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- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The invention discloses a PCB (Printed Circuit Board)-stator permanent-magnet differential motor of an electromobile, and belongs to the field of an electromobile motor. The permanent-magnet differential motor comprises a stator, rotors and a rotation shaft, wherein the rotors are arranged on the stator, the rotation shaft is used for coupling the rotors onto the stator, the stator is a PCB, the rotors are rotary discs arranged at two sides of the PCB, a permanent magnet is embedded into each rotary disc, the rotation shaft penetrates through the PCBs and the rotary discs, and a positioning table is arranged on the rotation shaft and is used for fixing the distance of the permanent magnets which are embedded into the two rotary discs. In the permanent-magnet differential motor, a traditional winding is substituted by the PCB, so that the motor stator is flexible and variable in design, and high-accuracy wiring is achieved; multiple layers of wiring coils are arranged on the PCB, the carrying capacity is improved, and the motor power is further improved; an iron core is not needed in the motor, eddy current loss is eliminated, and the efficiency is improved; and moreover, the integral structure is simple, the assembly of a production line is facilitated, and the production efficiency is effectively improved.
Description
Technical field
The present invention relates to a kind of electric motor car PCB stator permanent magnet differential speed motor, belong to electric vehicle motor field.
Background technology
Brushless, permanently differential speed motor, compared with traditional electro-magnetic motor or permanent magnet brush direct current generator, has structure letter
Single, reliable, small volume, quality are little, loss is few, the features such as efficiency high.Range of application is extremely wide, almost throughout boat at present
The every field of empty space flight, national defence, industrial and agricultural production and daily life, is particularly suited for high-power three-wheeled electric vehicle.
The structure of this brushless, permanently differential speed motor did not had significant changes in the last few years, and rotor main will be divided using magnet radial poles
Block formula permanent magnet, stator is formed by being wound on the coil laminating in silicon steel sheet.The motor of this structure is due to using manual coiling
Copper cash, complex process, artificial and material cost is high and quality is unstable；The quality of the silicon steel sheet laminating accounts for motor gross mass
1/3rd, thus leading to that volume is big, weight is big, eddy-current loss is big, efficiency is low.
Content of the invention
The problem existing for above-mentioned prior art, the present invention provides a kind of electric motor car PCB stator permanent magnet differential speed motor, knot
Structure is simple, and small volume, weight are little, and efficiency high, reliable and cost is cheap.
To achieve these goals, the kind electric motor car PCB stator permanent magnet differential speed motor that the present invention adopts, including stator, peace
The rotor being contained on stator and the rotating shaft for being coupling in rotor on stator；
Described stator is pcb board；
Described rotor is the rotating disk being arranged on pcb board both sides, the internal mosaic magnet of rotating disk；
Described rotating shaft passes through pcb board and rotating disk, and rotating shaft is provided with positioning table, is embedded in two rotating disks forever for fixation
The spacing of magnet.
As improvement, described permanent magnet is entirety or the annular of piecemeal composition.
As improvement, the magnetic direction of described permanent magnet is axially, and number of magnetic poles is many magnetic poles, and is uniformly distributed along annulus.
As improving further, the permanent magnet that described rotating disk embeds is axial charging eight magnetic pole, is provided with alternately in permanent magnet
The permanent magnet N pole of arrangement and permanent magnet S pole, described permanent magnet N pole and permanent magnet S pole are uniformly distributed along annulus.
As improvement, described pcb board has two-layer and the conductor of the above number of plies of two-layer, and is provided with connection between every layer of conductor
Via.
As improvement, described pcb board be provided with for measure rotary speed and turn to hall effect sensor, described suddenly
You are arranged on pcb board by hall effect sensor binding post effect sensor.
As improvement, described pcb board is circle.
As improvement, each magnetic pole in two permanent magnets is relative with the magnetic pole magnetic in the permanent magnet of offside respectively, leads to
Crossing two relative magnetic poles of magnetic provides the axial magnetic field running through pcb board.
The present invention adopts PCB to replace traditional winding so that motor stator flexible design is changeable, realizes high accuracy and connects up；PCB
Multilayer arrangement coil is distributed with plate, improves current-carrying capacity, and then improve power of motor；Need not be unshakable in one's determination in this motor, eliminate
Eddy-current loss, makes efficiency improve, and overall structure is simplified, and is conducive to assembly line, effectively improves production efficiency.
Brief description
Figure 1A is the top view of the electric motor car PCB stator permanent magnet differential speed motor of one embodiment of the invention；
Figure 1B is the side view of the electric motor car PCB stator permanent magnet differential speed motor of one embodiment of the invention；
Fig. 2 is the surface texture schematic diagram of one embodiment of the invention turntable；
Fig. 3 A is the front surface structural representation of pcb board in one embodiment of the invention；
Fig. 3 B is the rear surface texture schematic diagram of pcb board in one embodiment of the invention；
Fig. 4 A is the structural representation of A phase winding on pcb board in one embodiment of the invention；
Fig. 4 B is the structural representation of B phase winding on pcb board in one embodiment of the invention；
Fig. 4 C is the structural representation of C phase winding on pcb board in one embodiment of the invention；
In figure：10th, pcb board, 11, rotating disk, 12, rotating shaft, 13, permanent magnet, 21, permanent magnet N pole, 22, permanent magnet S pole, 30,
Winding connection terminal, 31, hall effect sensor binding post, 32, solid conductor, 33, outer ring connecting line, 34, inner ring connects
Line, 40, A phase winding, 41, B phase winding, 42, C phase winding.
Specific embodiment
For making the object, technical solutions and advantages of the present invention of greater clarity, below by drawings and Examples, to this
Invention is further elaborated.However, it should be understood that specific embodiment described herein is only in order to explain the present invention,
It is not limited to the scope of the present invention.
Unless otherwise defined, all of technical term used herein and scientific terminology are led with the technology belonging to the present invention
The implication that the technical staff in domain is generally understood that is identical, and the term being used in the description of the invention herein is intended merely to retouch
State the purpose of specific embodiment it is not intended that in limit the present invention.
As shown in Figure 1A, Figure 1B, a kind of electric motor car PCB stator permanent magnet differential speed motor, including stator, it is arranged on stator
Rotor and the rotating shaft 12 for being coupling in rotor on stator；
Described stator is pcb board 10；
Described rotor is the rotating disk 11 being arranged on pcb board 10 both sides, the internal mosaic magnet 13 of rotating disk 11；
Described rotating shaft 12 passes through pcb board 10 and rotating disk 11, and rotating shaft 12 is provided with positioning table, is embedded in two for fixation
The spacing of permanent magnet 13 in rotating disk 11, with winding parallel on pcb board 10 and gap is equal to make each permanent magnet 13 magnetic pole strength.
As the improvement of embodiment, described permanent magnet 13 is entirety or the annular of piecemeal composition, further, described forever
The magnetic direction of magnet 13 is axially, and number of magnetic poles is many magnetic poles, and is uniformly distributed along annulus.As shown in Fig. 2 in described rotating disk 11
Embedding permanent magnet 13 is axial charging eight magnetic pole, is provided with alternately arranged permanent magnet N pole 21 and permanent magnet S pole in permanent magnet 13
22, described permanent magnet N pole 21 and permanent magnet S pole 22 are uniformly distributed along annulus.
As the improvement of embodiment, described pcb board 10 has two-layer and the conductor of the above number of plies of two-layer, and every layer of conductor
Between be provided with connection via.Motor of the present invention adopts PCB to substitute traditional ironcore choke winding, and it mainly includes A, B, C three-phase coil,
Described pcb board 10 is circle, and its planar rondure is uniformly distributed four groups of coils, and every group of coil includes 3 phase coils, and every phase coil contains 8
Root wire, totally 96 wires, every phase coil is connected with the conductor of outer ring by PCB interconnection layer inner ring, series connection formed 4 around
Group loop, and one end of A, B, C three-phase connects into neutral point in PCB interconnection layer.
The structure of concrete three-phase windings on pcb board 10, as shown in Fig. 4 A, Fig. 4 B, Fig. 4 C：
Individual layer A phase winding 40 is composed in series by four coils, and when passing to electric current, four coils produce identical stator magnet
, interact with the magnetic pole of permanent magnet 13 same position, produce rotary power, so that rotating disk 11 is rotated, when permanent magnetism in rotating disk 11
When body 13 magnetic pole turns to contrary with stator A phase magnetic pole, controller makes A phase by the control signal that hall effect sensor produces
Pass to inverse current in winding 40, and then continue to produce constant rotational power.B phase winding 41, C phase winding 42 operation principle are therewith
Identical.
As the improvement of embodiment, described pcb board 10 is provided with for measuring rotating disk 11 rotating speed and the Hall effect turning to
Sensor, described hall effect sensor is arranged on pcb board 10 by hall effect sensor binding post 31.As Fig. 3 A institute
Show, pcb board 10 front surface includes winding connection terminal 30, hall effect sensor binding post 31, solid conductor 32, single lead
Line 32 radially even arrangement on pcb board 10, and be the effective Working conductors in three-phase windings.Electric machine controller is correct
Moment electric current is led to by correct winding by winding connection terminal 30, the solid conductor 32 in winding passes to electric current, it will
Produce stator field, this stator field is interacted with the magnetic pole of permanent magnet 13 in rotating disk 11, produces revolving force, so that rotor is turned
Dynamic.Hall effect sensor in stator PCB detects permanent magnet pole, produces control signal, by hall effect sensor
Binding post 31 leads to electric machine controller, for detecting rotating speed and steering of rotor etc..
As shown in Figure 3 B, the solid conductor 32 in single-phase winding is connected and is formed by outer ring connecting line 33 and inner ring connecting line 34
Magnetic pole of the stator.Because motor is in normal operating conditions, outer ring connecting line 33 and inner ring connecting line 34 carry than solid conductor 32
The operating current of high several times, thus conductor cross sectional area is big compared with the sectional area of solid conductor.
As the improvement of embodiment, each magnetic pole in two permanent magnets 13 respectively with the permanent magnet 13 of offside in magnetic pole
Magnetic relatively, provides, by two relative magnetic poles of magnetic, the axial magnetic field running through pcb board 10.
Multiple hall effect sensor detection current time permanent magnet pole positions that the PCB of the present invention includes, its control
In signal conduction corresponding A, B, C three-phase, wherein two-phase so as to by the electric current of certain orientation, makes winding on PCB produce magnetic field, this
Magnetic field and permanent magnet run through the magnetic field phase separation of PCB so that permanent magnet rotates by its revolving force, wherein, described effective work
Work(conductor is the intermediate annular radial direction single conductor of every layer of PCB.
The rotating disk 11 of embedded annular permanent magnet generally adopts the strong steel of magnetic conductivity, and described magnetic circuit expands to the front table of this rotating disk
Face, is coupled to the rotating shaft 12 at the rotating disk back side and as on the pcb board of stator, the permanent magnet of stator shaft orientation both sides produces and runs through
The unidirectional magnetic circuit of PCB, because permanent magnet is eight magnetic poles, the therefore permanent magnet in the rotating disk of both sides mutually deviates 45 ° in radial direction, makes
Obtain both sides permanent magnet N pole extremely relative with S.
The present invention adopts PCB to replace traditional winding so that motor stator flexible design is changeable, realizes high accuracy and connects up；PCB
Multilayer arrangement coil is distributed with plate, improves current-carrying capacity, and then improve power of motor；Need not be unshakable in one's determination in this motor, eliminate
Eddy-current loss, makes efficiency improve, and overall structure is simplified, and is conducive to assembly line, effectively improves production efficiency.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent or improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (8)
1. a kind of electric motor car PCB stator permanent magnet differential speed motor it is characterised in that include stator, the rotor being arranged on stator and
For the rotating shaft (12) being coupling in rotor on stator；
Described stator is pcb board (10)；
Described rotor is the rotating disk (11) being arranged on pcb board (10) both sides, the internal mosaic magnet (13) of rotating disk (11)；
Described rotating shaft (12) passes through pcb board (10) and rotating disk (11), and rotating shaft (12) is provided with positioning table, is embedded in for fixation
The spacing of permanent magnet (13) in two rotating disks (11).
2. a kind of electric motor car PCB stator permanent magnet differential speed motor according to claim 1 is it is characterised in that described permanent magnet
(13) be entirety or piecemeal composition annular.
3. a kind of electric motor car PCB stator permanent magnet differential speed motor according to claim 2 is it is characterised in that described permanent magnet
(13) magnetic direction is axially, and number of magnetic poles is many magnetic poles, and is uniformly distributed along annulus.
4. a kind of electric motor car PCB stator permanent magnet differential speed motor according to claim 3 is it is characterised in that described rotating disk
(11) permanent magnet (13) embedding is axial charging eight magnetic pole, is provided with alternately arranged permanent magnet N pole (21) in permanent magnet (13)
With permanent magnet S pole (22), described permanent magnet N pole (21) and permanent magnet S pole (22) are uniformly distributed along annulus.
5. a kind of electric motor car PCB stator permanent magnet differential speed motor according to claim 1 is it is characterised in that described pcb board
(10) there is on two-layer and the conductor of the above number of plies of two-layer, and between every layer of conductor, be provided with connection via.
6. a kind of electric motor car PCB stator permanent magnet differential speed motor according to claim 5 is it is characterised in that described pcb board
(10) it is provided with for measuring rotating disk (11) rotating speed and the hall effect sensor turning to, described hall effect sensor passes through suddenly
You are arranged on pcb board (10) effect sensor binding post (31).
7. a kind of electric motor car PCB stator permanent magnet differential speed motor according to claim 1 is it is characterised in that described pcb board
(10) it is circle.
8. a kind of electric motor car PCB stator permanent magnet differential speed motor according to claim 1 is it is characterised in that two permanent magnets
(13) each magnetic pole in is relative with the magnetic pole magnetic in the permanent magnet (13) of offside respectively, is carried by two relative magnetic poles of magnetic
For running through the axial magnetic field of pcb board (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610873794.1A CN106451848A (en) | 2016-09-30 | 2016-09-30 | PCB (Printed Circuit Board)-stator permanent-magnet differential motor of electromobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610873794.1A CN106451848A (en) | 2016-09-30 | 2016-09-30 | PCB (Printed Circuit Board)-stator permanent-magnet differential motor of electromobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106451848A true CN106451848A (en) | 2017-02-22 |
Family
ID=58171876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610873794.1A Pending CN106451848A (en) | 2016-09-30 | 2016-09-30 | PCB (Printed Circuit Board)-stator permanent-magnet differential motor of electromobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106451848A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787277A (en) * | 2017-02-27 | 2017-05-31 | 深圳市道通智能航空技术有限公司 | Motor, head and unmanned plane |
| CN107947410A (en) * | 2017-12-05 | 2018-04-20 | 浙江益中智能电气有限公司 | A kind of PCB permanent-magnet brushless DC electric machines |
| 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 |
| CN111835153A (en) * | 2019-04-23 | 2020-10-27 | 擎声自动化科技（上海）有限公司 | Motor with PCB stator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201118413Y (en) * | 2007-10-29 | 2008-09-17 | 深圳航天科技创新研究院 | Disk three-phase brushless permanent magnetic DC electromotor |
| CN203135665U (en) * | 2013-02-06 | 2013-08-14 | 浙江博望科技发展有限公司 | Disc-type three-phase brushless permanent-magnetic DC motor |
| CN104218762A (en) * | 2014-09-26 | 2014-12-17 | 洛阳市贝叶机电有限公司 | Mounting structure of rotor and stator of permanent magnet iron-core-free motor |
| CN105703510A (en) * | 2016-03-15 | 2016-06-22 | 江苏河谷矿业科技发展有限公司 | Axial magnetic field printed circuit board permanent magnet brushless DC motor |
-
2016
- 2016-09-30 CN CN201610873794.1A patent/CN106451848A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201118413Y (en) * | 2007-10-29 | 2008-09-17 | 深圳航天科技创新研究院 | Disk three-phase brushless permanent magnetic DC electromotor |
| CN203135665U (en) * | 2013-02-06 | 2013-08-14 | 浙江博望科技发展有限公司 | Disc-type three-phase brushless permanent-magnetic DC motor |
| CN104218762A (en) * | 2014-09-26 | 2014-12-17 | 洛阳市贝叶机电有限公司 | Mounting structure of rotor and stator of permanent magnet iron-core-free motor |
| CN105703510A (en) * | 2016-03-15 | 2016-06-22 | 江苏河谷矿业科技发展有限公司 | Axial magnetic field printed circuit board permanent magnet brushless DC motor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787277A (en) * | 2017-02-27 | 2017-05-31 | 深圳市道通智能航空技术有限公司 | Motor, head and unmanned plane |
| WO2018152943A1 (en) * | 2017-02-27 | 2018-08-30 | 深圳市道通智能航空技术有限公司 | Motor, cloud platform and unmanned aerial vehicle |
| US10151965B2 (en) | 2017-02-27 | 2018-12-11 | Autel Robotics Co., Ltd. | Motor, gimbal, and unmanned aerial vehicle |
| CN106787277B (en) * | 2017-02-27 | 2020-06-02 | 深圳市道通智能航空技术有限公司 | Motor, cloud platform and unmanned aerial vehicle |
| CN107947410A (en) * | 2017-12-05 | 2018-04-20 | 浙江益中智能电气有限公司 | A kind of PCB permanent-magnet brushless DC electric machines |
| CN111835153A (en) * | 2019-04-23 | 2020-10-27 | 擎声自动化科技（上海）有限公司 | Motor with PCB stator |
| 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 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |