Technical Innovation and Mass Production Application of Axial Flux Motor,Or will effectively solve some of the outstanding problems currently facing the field of electric vehicles.,For example, lightweight、Torque density and the range that people are most concerned about。Just released in Mercedes BenzVision One ElevenConcept car,And Ferrari, which has been introduced before.SF90 Stradale、296GTBAnd McLarenArturaAnd other high-performance vehicles.,Axial flux motors are used in the vehicle drive system.,This kind of motor is also considered by major ultra-luxury car brands.“The Best Solution for High Performance Vehicles on the Road to Electrification”。
Although the radial flux motor has brought the entire automotive industry into the era of electrification.,But the axial-flux motor is better in every respect.:They are not only lighter.、Smaller,It also provides more torque and more power.,This breakthrough motor can be used in smaller、The lighter body creates a stronger impact.,Thus opening up a whole new world of possibilities for car designers.。
The torque of a radial flux motor is proportional to the square of the rotor radius.,While the torque of an axial motor is proportional to the cube of the rotor radius.,Higher torque figures can be generated;With the same output power,Axial flux motors are 50% smaller than radial flux motor%、50% lighter%,Like MercedesVision One-ElevenAxial Flux Motor on Pure Electric Concept Vehicle,Its weight is only 1% of the same output power of ordinary motor/3 。
The advantages of volume and weight not only greatly reduce the copper required for motor production、Use of materials such as iron and permanent magnets,But also the axial flux motor can be arranged in a narrower place.,Uch as a notch in a car hub.,Thereby reducing the gearbox、Involvement of drive shaft and other parts,And that kinetic energy Los is reduced,So that that drive efficiency is higher,The torque compensation is also more direct。
At the same time,Because the axial flux motor is very compact and lightweight,,Less structure is required to install it,This saves even more weight.,And its rotational speed does not reach as high as that of a conventional radial flux motor.,Therefore, there may be no reduction gear,Thereby further reducing the overall weight of the system,Other subsystems can also benefit from the weight savings,Like brakes and cooling systems.。On the whole,In terms of efficiency and range, it can achieve 5-10%The improvement of。
Let's look at the specific data.,Disc hub poweredICD150KAxial flux machine,One weighs only 24KgDrive motor,Can output about 150kWPeak power of and 325N·mMaximum torque of,When a car is equipped with four such drive motors,,You can imagine how powerful it can be.。
Through technological innovation and positive R & D,Disc hub power was introduced withICD150KBased on the new energy passenger car three-in-one distributed drive solution,Through the motor、Reducer、Highly Integrated Design of Electric Control Box,Significantly reduces assembly weight、Reduced assembly volume,The weight of the complete system assembly does not exceed 100Kg,Peak power up to 300Kw,The total success rate density of the system exceeds 3kW/kg,But also according to the actual requirements of the vehicle development platform.,Achieve customized layout design,Among「Parallel axis scheme」In favor ofZTo the height andYLeave more chassis space for the width;「Coaxial scheme」The arrangement of the can be found inXTo obtain greater design freedom in length,And the length of the left and right half shafts of the scheme is consistent.,Assembly mass distribution is more uniform。
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