CN107546881A - A kind of Non-iron core motor used for electric vehicle - Google Patents
A kind of Non-iron core motor used for electric vehicle Download PDFInfo
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- CN107546881A CN107546881A CN201610511374.9A CN201610511374A CN107546881A CN 107546881 A CN107546881 A CN 107546881A CN 201610511374 A CN201610511374 A CN 201610511374A CN 107546881 A CN107546881 A CN 107546881A
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- magnetic
- magnetic tent
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- tent
- coil
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- 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
Abstract
The invention discloses a kind of Non-iron core motor used for electric vehicle, including magnetic tent and coil, direction selecting controller, body, the magnetic tent by two parts set of permanent magnets into, a part of permanent magnet N levels all towards in magnetic tent, the S levels of another part permanent magnet are all towards in magnetic tent；The iron-less core coil is placed in the magnetic tent in radially magnetic field by rotating shaft.Its technical characteristic is that the graphene platelet that two permanent magnets for being placed in composition magnetic tent in body are coated with neodymium iron boron by multilayer is formed, and the coil is formed by graphene wire coiling.Advantages of the present invention：First, inherit the features such as collection magnetic iron-core less motor can realize motor-field three-dimensional and high operating efficiency.Second, there is superpower operating efficiency and power-saving capability.Third, material saving material-saving, loss of weight ability is higher, and load-carrying is more, stroke is farther.Fourth, service life is grown, production cost is low.Fifth, production scale can be formed quickly, electric vehicle industrialization and the marketization are helped lend some impetus to.
Description
Technical field
The present invention relates to a kind of motor technology, is related specifically to a kind of Non-iron core motor used for electric vehicle.
Background technology
Rare earth permanent magnetic non-iron-core motor is a kind of new special motor for representing electromechanics trade future thrust, using nothing
Iron core, it is brushless, without magnetic damping, rare earth permanent magnet generation technology, change conventional motors and use silicon steel sheet and winding stator structure, tie
The electronic intelligence converter technique of independent research is closed, electric system efficiency is brought up to more than 95%.Rare earth permanent magnetic non-iron-core motor
It is a great innovation, technically realizes " three is big " breakthrough, first, compared with conventional radial magnetic field structure designs, employ axle
Designed to magnetic field structure, increase substantially power density and torque volume ratio.Second, using novel winding technique, high voltage precision pressure
Type casting moulding and high polymer material, effectively reduce winding copper loss.Third, eliminated without using silicon steel sheet as stator and rotor core material
Magnetic damping and iron loss, reduce driving power, reduce iron loss pyrotoxin.
Rare earth permanent magnetic non-iron-core motor is a kind of completely new product, and market is among cultivation, and therefore, it is promoting and answered
Many difficulties and problems with aspect also be present：It is that social awareness is not high first.Most of users do not know about to the technology, to production
Operation principle, application effect, the reliability of product are also held the suspicious attitude.Next to that standard criterion lags.China is in magneto side
The standard in face is very deficient, is even more blank in terms of rare earth permanent magnetic non-iron-core motor, has had a strong impact on the product choosing of the type motor
Type, Performance Evaluation, quality testing etc., constrain the popularization and application of product.It is that industrialization level need to be improved again.At present,
Low power rare earth permanent magnetic non-iron-core motor has been produced in batches, is obtained in terms of small-size wind power-generating, diesel generation, electric tool
Promote the use of.But in, on heavy-duty motor also in demonstration phase.Policy Encouraging is a lack of in addition.Energy-saving efficient motor
The market obstacles such as initial cost height, information asymmetry be present, it is necessary to which country, which puts into effect related excitation policy, prizes market, cultivation production
Industry.
In summary, although rare earth permanent magnetic non-iron-core motor is a kind of new spy for representing electromechanics trade future thrust
Kind of motor, and there is very considerable economic benefit and social benefit, but due to presence because employing new technology, new technology, green wood
Market startup, the high Cost Problems of Industry Cultivation are influenceed caused by material, thus policy dependence is strong, the process of the popularization is not enough managed
Think.Obviously, if the motor released can be walked " prizing market with price, breed industry with market " using low cost as point of penetration
Road, then either for problem solve or for quickening show the economic benefit and social benefit of iron-core less motor for
All it is vital.
At present, a kind of collection magneto has solved above mentioned problem.
Collection magneto includes magnetic tent and coil, and the magnetic tent is made up of two parts permanent magnets, a part of permanent magnets N levels
All towards in magnetic tent, another part permanent magnets S levels are all towards in magnetic tent；The iron-less core coil is placed in footpath by rotating shaft
Into the magnetic tent in magnetic field, rotating shaft is in the interval of two parts permanent magnets.Wherein, when magnetic tent as stator, coil as rotor
When, magnetic tent can use box-shaped；When magnetic tent as rotor, coil as stator when, magnetic tent can use tubular.
Collect the invention main points of magneto：Using the magnetic tent internal coil in radially magnetic field, so as to realize motor-field solid
Change, making motor coil, often degree, every circle are all immersed in " even strong " magnetic field in 360 ° of rotations, then utilize radially magnetic field
Magnetic tent internal coil, imposes on dispatch from foreign news agency or external force causes magnetic tent, coil to rely on rotating shaft to produce relative motion and output of doing work or generate electricity.
It can make that product structure is simpler, and production cost is less expensive using air core coil；Can be solved at one stroke using ironcore choke
High-efficiency electric motor is difficult to the bottleneck problem minimized, Large Efficient electric motor structure complicates.
The permanent magnet that collection magneto is related to is generally neodymium iron boron, ferrite, glue magnetic material, and coil adopts known enamel-covered wire.
It is well known that graphene is the nano material that known world is most thin, most hard, its intensity more taller than steel 200
Times；The resistivity of graphene about 10-8Ω m, it is also smaller than copper or silver, it is the minimum material of world resistivity.Because of its resistivity
Extremely low, the speed of electron transfer is exceedingly fast, therefore is expected to can be used to develop lighter and handier motor.
Electric automobile (BEV) refers to, using vehicle power as power, be travelled with power wheel, meets road traffic, peace
The vehicle of full regulation requirements.Because the relatively conventional automobile of effect on environment is smaller, its prospect is had an optimistic view of extensively, but current skill
Art is still immature.
The species of electric automobile：Pure electric automobile (BEV), hybrid vehicle (PHEV), fuel cell car (FCEV).
The automobile that pure electric automobile is driven by motor.Pure electric automobile, for fuel-engined vehicle, essential difference (different)
It is four big parts, motor, speed setting controller, electrokinetic cell, onboard charger.For gas station, it is by public affairs
With ultrafast charging station.The quality discrepancy of pure electric automobile depends on this four big part, and it is worth height and also depends on this four big portion
The quality of part.The purposes of pure electric automobile is also directly related in the selection and deployment of four big parts.
Pure electric automobile speed per hour speed, and toggle speed depend on motor power and performance, its mileages of continuation it
Length depends on the size of vehicle mounted dynamic battery capacity, and the weight of vehicle mounted dynamic battery depends on selecting which kind of electrokinetic cell such as lead
Acid, zinc carbon, lithium battery etc., their volumes are proportion, specific power, all more different than energy, cycle life.This depends on manufacturer pair
The positioning of vehicle class and purposes and market are defined, the market segments.
The motor of pure electric automobile has DC brush, point that be brushless, having permanent magnetism, electromagnetism, then has exchange stepper motor
Deng their selection is also relevant with vehicle configuration, purposes, class.The speed regulating control of other motor also divide step speed regulation and
Stepless speed regulation, have using electronic speed controller and point without speed setting controller.Motor has wheel hub motor, internal rotor electricity
Machine, there are single motor driving, multi-motor driving and composition motor driving etc..
Advantage：The relatively easy maturation of technology, as long as the place for having supply of electric power can charge.
Shortcoming：The energy of battery cell's weight storage very little, also because the battery of electric car is more expensive, does not form economic rule again
Mould, therefore purchasing price is more expensive, as use cost, some are more expensive than automobile using price, and some prices are only the 1/3 of automobile, this
Depend primarily on the life-span of battery and oil, the electricity price lattice of locality.
Due to being restricted by disadvantages mentioned above, it result in electric automobile and generate " pure " and " impure " two conception of species.Either
Adapt to existing battery technology, still meet will the marketization high-energy battery, it is necessary to carry out the motor of electric automobile innovation.
Obviously, not only or will be in iron-core-free collection magnetic if graphene technological development and applied to iron-core-free collection magneto
Motor and its association area trigger revolutionary breakthrough, and may further result in graphene iron-core-free collection magneto and driven in electric automobile
The extensive use of dynamic device field, and drive the new industry chain of more than hundred million yuan of value.
The content of the invention
The task of the present invention is to propose a kind of Non-iron core motor used for electric vehicle, to realize above-mentioned purpose.
However, to realize above-mentioned purpose, it is most critical to obtain graphene platelet first with graphene wire.
At present, the preparation method of a kind of simple and efficient graphene platelet and its nano composite material is so to describe
's：Using the intercalated graphite of commercial Application as raw material, only 3~4 graphite are prepared for by thermal expansion, ultrasonic disperse and centrifugal drying
Alkene monolithic, 2~4 nano thickness, oxygen content only only have 7% graphene platelet, then by itself and rubber matrix melt blending, system
Obtained the dispersed elastomer nanocomposites of graphene platelet.Before composite materials property being improved what is stablized
Put, the conduction and heat conductivility of composite also significantly increase.Passed through with what intercalated graphite replacement generally used now
For the graphite oxide of chemical method synthesis as body material, not only technique is simple, and yield is big, and cost is cheap, and can directly lead to
Cross melt blending and obtain graphene nanocomposite material, largely can apply in industrial production.
And a kind of preparation technology of graphene wire so describes：By in copper conductor superficial growth graphite alkane, so
Graphite alkane is reduced to graphene to prepare graphene wire afterwards.The graphene growth technique, more existing graphene growth
Technique greatly reduces reaction temperature, and can directly obtain graphene wire, and inner core material is entered without using graphene
Row coating, improves production efficiency.
The method that another kind prepares graphene electric wire so describes：By the stone with excellent two-dimentional conductive characteristic
Black olefinic functionality material spraying plating is grown on matrix membrane material, is handled by heat pressing process, disorderly arranged graphene is received
Rice microplate is converted into the two-dimensional graphene film of high-sequential arrangement, so as to be prepared into the graphene with excellent two-dimentional conductive characteristic
Membrane material.Then two-dimensional graphene membrane material is wound into by winding technique by the graphene electricity with excellent one-dimensional electric characteristic
Line.Such graphene wire resistance rate is low, and conductive density is big, and conductive characteristic is better than metallic conductors such as copper and silver.Meanwhile such stone
Black alkene electric wire is in light weight, high temperature resistant, and chemical stability is good.
Also a kind of preparation method of graphene wire so describes：(1) substrate prepares：By copper conductor in 40-100
DEG C, 5-60 minutes are soaked in weak acid solution；(2) graphite alkane grows：Put the good substrate of preparation in CVD bodies of heater into,
CVD bodies of heater are evacuated to low pressure, rise to 300-600 DEG C；Combination of gases：Hydrogen/methane, hydrogen/ethene, hydrogen/acetylene, by certain
Ratio, certain flow flow through body of heater；Plasma generator is opened, continues 5-30 minutes；(3) graphite alkane is reduced into graphene：
Body of heater keeps the temperature in step 2), and full of argon atmosphere, pressure rises to normal pressure, is kept for 5-50 hours；(4) cool：Holding furnace
Body state, closes heating system, and temperature is down to room temperature naturally.
Obviously, release a kind of graphene Non-iron core motor used for electric vehicle and possess technical conditions and premise.
A kind of Non-iron core motor used for electric vehicle, including magnetic tent and coil, direction selecting controller, body, the magnetic tent by
Two parts set of permanent magnets into, a part of permanent magnet N levels all towards in magnetic tent, the S levels of another part permanent magnet are whole
Towards in magnetic tent；The iron-less core coil is placed in the magnetic tent in radially magnetic field by rotating shaft, and rotating shaft is in two parts permanent magnets
Interval.Its technical characteristic is that two permanent magnets for being placed in composition magnetic tent in body are coated with the graphite of neodymium iron boron by multilayer
Alkene thin slice is formed, and the coil is formed by graphene wire coiling.
Advantages of the present invention and good effect：When inherit collection magnetic iron-core less motor can realize motor-field three-dimensional and
The features such as operating efficiency is high.Second, there is superpower operating efficiency and power-saving capability.Third, material saving material-saving, loss of weight ability is higher,
Load-carrying is more, stroke is farther.Fourth, service life is grown, production cost is low.Fifth, production scale can be formed quickly, help lend some impetus to
Electric vehicle industrialization and the marketization.
Embodiment
A kind of Non-iron core motor used for electric vehicle, including magnetic tent and coil, direction selecting controller, body, the magnetic tent by
Two parts set of permanent magnets into, a part of permanent magnet N levels all towards in magnetic tent, the S levels of another part permanent magnet are whole
Towards in magnetic tent；The iron-less core coil is placed in the magnetic tent in radially magnetic field by rotating shaft, and rotating shaft is in two parts permanent magnets
Interval.Its technical characteristic is that two permanent magnets for being placed in composition magnetic tent in body are coated with the graphite of neodymium iron boron by multilayer
Alkene thin slice is formed, and the coil is formed by graphene wire coiling.
The Non-iron core motor is dc motor.
The coil is connected by direction selecting controller with external circuit.
The magnetic tent is as stator, coil as rotor.
The magnetic tent is using circular.
The rotating shaft is graphene or conventional shaft.
A kind of technology path of Non-iron core motor used for electric vehicle：
The first step, graphene Non-iron core motor technical scheme is determined, complete the conversion of basic theories-→ technical scheme；
Second step, according to technical scheme, carry out basic research --- establish graphene Non-iron core motor and carry out graphite
The design of alkene Non-iron core motor model machine, processing, Assembly And Checkout；
3rd step, carry out complete machine form finding design, processing and the assembling of graphene Non-iron core motor principle prototype；
4th step, complete machine joint-trial joint debugging is carried out, correct complete machine structure, improve overall design；
5th step, carries out product design qualification test and censorship, and stage completes the design and sizing of product.
Claims (1)
1. a kind of Non-iron core motor used for electric vehicle, including magnetic tent and coil, direction selecting controller, body, the magnetic tent is by two
Part set of permanent magnets into, a part of permanent magnet N levels all towards in magnetic tent, the S level wholes court of another part permanent magnet
Into magnetic tent；The iron-less core coil is placed in the magnetic tent in radially magnetic field by rotating shaft, and rotating shaft is in two parts permanent magnets
Interval.Its technical characteristic is that two permanent magnets for being placed in composition magnetic tent in body are coated with the graphene of neodymium iron boron by multilayer
Thin slice is formed, and the coil is formed by graphene wire coiling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610511374.9A CN107546881A (en) | 2016-06-27 | 2016-06-27 | A kind of Non-iron core motor used for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610511374.9A CN107546881A (en) | 2016-06-27 | 2016-06-27 | A kind of Non-iron core motor used for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107546881A true CN107546881A (en) | 2018-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610511374.9A Pending CN107546881A (en) | 2016-06-27 | 2016-06-27 | A kind of Non-iron core motor used for electric vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN107546881A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006238679A (en) * | 2005-02-27 | 2006-09-07 | Yoshimitsu Okawa | Single-phase permanent magnet motor |
| CN202798197U (en) * | 2012-09-26 | 2013-03-13 | 思考电机（上海）有限公司 | Coreless motor, vibrating motor and mobile terminal device |
| CN103646777A (en) * | 2013-12-11 | 2014-03-19 | 江苏大学 | Method for preparing crystal boundary nano-composite intensified neodymium iron boron magnet |
| CN204156638U (en) * | 2014-10-31 | 2015-02-11 | 张泽宇 | Carbon element coil electric motor |
-
2016
- 2016-06-27 CN CN201610511374.9A patent/CN107546881A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006238679A (en) * | 2005-02-27 | 2006-09-07 | Yoshimitsu Okawa | Single-phase permanent magnet motor |
| CN202798197U (en) * | 2012-09-26 | 2013-03-13 | 思考电机（上海）有限公司 | Coreless motor, vibrating motor and mobile terminal device |
| CN103646777A (en) * | 2013-12-11 | 2014-03-19 | 江苏大学 | Method for preparing crystal boundary nano-composite intensified neodymium iron boron magnet |
| CN204156638U (en) * | 2014-10-31 | 2015-02-11 | 张泽宇 | Carbon element coil electric motor |
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| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180105 |
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| WD01 | Invention patent application deemed withdrawn after publication |