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Weilai ET7 announces the latest progress, the first verified prototype is off the assembly line!

Publish Date: 2021.05.19

  On May 13, the first verified prototype of the NIO ET7 was officially off the assembly line at NIO's Hefei Advanced Manufacturing Base and entered the stage of production and commissioning. This is another important node in ET7 vehicle manufacturing, marking the beginning of the Validation Build phase.


  Prototype verification is an important part of the production preparation process before mass production. It is responsible for debugging, matching and optimizing the performance of the vehicle and the user's driving experience. By verifying the small-batch production of prototype cars, the ET7 production line will start further optimization and steadily advance the mass production process.


  As the first sedan of NIO, NIO ET7 successfully completed the auto show's debut at the Shanghai International Auto Show that just concluded before and revealed the interior of the real car for the first time, attracting high attention from domestic and foreign industries and consumers. In the Norwegian strategy that NIO just released recently, NIO announced that the ET7 will become the second model to be introduced into the Norwegian market after the new ES8.


  With the rollout of the first verification prototype, we might as well look back at what highlights are worth looking forward to in the highly anticipated ET7.


  The new design concept in the era of autonomous driving, the unremitting pursuit of beauty and perfection


  "Born for autonomous driving" is the origin of ET7's thinking in product design-it can not only reflect the performance of autonomous driving, but also create a warm mobile living space. The interior of the ET7 real car unveiled for the first time at the auto show vividly interprets the mobile living space concept of the "second living room" advocated by the EVE concept car, and the NIO design DNA that runs through it—pure, warm, and future Sense and refinement.


  is pure, which means deleting the complicated and simplifying, removing all unnecessary details. The frameless doors and the standard dome glass roof of the whole system allow the spacious cabin to incorporate more fully and clean and pure natural light; the NOMI, LCD instrument and large suspended central control screen are still the visual focus of the entire cockpit. There are no complicated lines outside, and even the air outlet of the air conditioner is hidden. While doing subtraction, it provides full functional convenience for the driver and passengers.


  The innovative use of    renewable Fujiki Karuun, a natural material, emphatically reflects the "temperature" aspect of the ET7 design. There are as many as 14 Karuuns used in the car, corresponding to three interior themed colors, snow melting white, golden sand rice, and alpine gray, which echo the colors of the earth, reproducing the harmony between man and nature, and making the interior space richer and more homely. Warmth.


  uses cutting-edge design elements, such as the carbon fiber inserts on the wheels, the "Aurora Green" color from the Norwegian Polar Night, and the matte dark chrome kit, highlighting the "future sense" designed by NIO.


  Exquisite, hidden in unique details. For example, the details of the front and rear lighting modules are echoed, and the 7.1.4 immersive sound system with 23 speakers-Weilai and the speaker company have developed an electroplating process to achieve any color matching. The pioneering intelligent fragrance system can recognize the driver's fatigue in real time and automatically release the fragrance; when the user account is switched, the fragrance selection can also be automatically switched.


  Very strong comprehensive performance, occupying the commanding heights of intelligent electric technology


  "Ready for Tomorrow", this is the product definition of NIO when it released ET7 on NIO Day 2020, and the definition is "welcome the future". The reason why Wei Lai dared to shout this slogan boldly this time is that the confidence behind it comes from the latest NAD (NIO Autonomous Driving) technology of Wei Lai equipped with ET7. Ta will gradually achieve high-speed, urban, parking, A point-to-point autonomous driving experience in scenarios such as battery swapping. NAD comes standard with 19 safety and driving assistance functions. At the same time, it is the world's first to adopt a "monthly payment" model, with a monthly service fee of 680 yuan.


  NAD is a full-stack autonomous driving technology developed by Weilai from perception algorithms to map positioning, from control strategies to underlying systems. In order to meet the needs of NAD's driving ability and continuous iteration, NIO has embedded two sets of perception and algorithm hardware that far exceed the current level of the industry for the entire ET7 system, the NIO Aquila supersensing system and the NIO Adam supercomputing platform.


  NIO Aquila has 33 high-performance sensors, including 11 8-megapixel cameras, 1 ultra-long-distance high-precision lidar, 5 millimeter wave radars, 12 ultrasonic sensors, 2 high-precision positioning units, and vehicle-road collaborative sensing And to enhance the driver's perception, it can generate 8G data per second. These 11 cameras can detect vehicles 680 meters away, pedestrians 220 meters away, and cones 260 meters away. The farthest detection distance is 3 times that of the Tesla FSD 1.2 million pixel camera. The lidar in the center of the car roof was jointly developed by Weilai and Innovusion invested by Weilai Capital. It has an ultra-wide viewing angle of 120 degrees, an ultra-long detection range of up to 500 meters, and a focusing function that can distinguish more. detail.


  In order to match the huge amount of data generated by NIO Aquila, NIO Adam equipped with four NVIDIA Drive Orin chips came into being. The total computing power of up to 1016 TOPS is 7 times that of Tesla FSD (144TOPS). Two main control chips are responsible for NAD full-stack algorithm calculations, one is used for group intelligence and personality training calculations, and another is an independent and complete redundant backup chip. The entire NIO Adam's power supply, imaging and main control systems are all designed with hot backup, which is safe and reliable. After 48 CPU cores and 256 matrix operation units are processed, each pixel serves the accuracy and efficiency of the algorithm.


  Brand new dual motors +150kWh battery, you can have both fish and bear's paws


  ET7 continues the high-performance DNA of NIO. It is equipped with a permanent magnet motor of 180 kW at the front and an induction motor with 300 kW at the rear. The maximum power is 480 kW, and the peak torque is 850 Nm. It accelerates from zero to 100 kilometers in only 3.9 seconds, and brakes from 100 kilometers to zero. The distance is 33.5 meters. At the same time, the vehicle's ultra-low drag coefficient of 0.23Cd, coupled with the second-generation electric drive platform using silicon carbide power modules, has greatly improved the overall energy efficiency of ET7.


  At the same time, NIO launched a new 150kWh battery pack based on mass-produced solid-state battery technology, achieving an ultra-high energy density of 360Wh/kg. By adopting three major technological innovations: solid-liquid electrolyte, silicon-carbon negative electrode, and ultra-high nickel positive electrode, the energy density has increased while ensuring battery life and improving charging efficiency, allowing ET7 to obtain a battery life of more than 1,000 kilometers under NEDC operating conditions.


  Double five-star safety design to create flagship high-end standards


  ET7 is designed in accordance with China's C-NACP and European E-NCAP five-star safety standards. It is the first body made of ultra-high-strength steel-aluminum hybrid materials. The advantages of two different materials are fully used to avoid excessive design of local details to achieve a better balance. The user’s driving and riding experience.


  The rollout of the first verification prototype also means that NIO ET7 is in an orderly preparation for production, and has successfully started the trial assembly and testing phase of the production line. It is believed that the delivery will start as scheduled in the first quarter of next year.

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