Test the extremely cold weather, Hongmeng Zhixing showcases the luxury car "chassis".

Winter is approaching, and the temperature has dropped sharply to minus 20 degrees Celsius. Changbai Mountain has been covered with a silver coat, and in the vast birch forest, a convoy of vehicles is moving smoothly through it.

This is the ice and snow test journey of the three major automotive brands under Hongmeng Zhixing: Wenjie, Zhijie, and Xiangjie. In order to verify the excellent quality of its products, Hongmeng Zhixing has decided to send all its models on the market to the national winter test site for a comprehensive winter test.

The market penetration rate of new energy vehicles has exceeded 60%, and it is highly expected to reach 80% in the new car sales market next year.

In other words, in the new car sales next year, new energy vehicles will quickly dominate. And the core attribute of a car - a safe and reliable means of transportation - should not be affected by temperature.

Using technological breakthroughs to enable new energy vehicles to travel smoothly in extremely cold and snowy weather has always been the destiny and mission of luxury car brands. Hongmeng Zhixing, which is based on technology, naturally takes on this responsibility.

In addition to performing an ice and snow car dance in the test drive venue to show the excellent handling performance of the chassis, Hongmeng Zhixing has also arranged a field crossing, allowing its models to travel through the snow-covered forest and reach the national border.

This not only demonstrates the product and technical strength of the series of models under Hongmeng Zhixing, but also allows new energy vehicles to get rid of the situation of being criticized for being "afraid of the cold" for many years, and accelerates their popularization.

 Playing Wild in the Ice and Snow, Stability Comes First

After entering winter, the northeastern region will be covered by snow and ice for a long time. The situation of icy roads and even hidden ice after snow is a headache for even experienced drivers. Once operated improperly, dangerous situations such as wheel slipping and vehicle tailspin may occur.

In order to deal with the driving problems in extreme environments such as snowy weather, Huawei has launched a series of technological innovations, covering a comprehensive solution from passive chassis control to active intelligent driving.

The first is the Huawei TULING platform. As the core technical capability and experience foundation of Hongmeng Zhixing, it gives the vehicle the confidence to deal with the icy and snowy conditions. Under the TULING platform, Huawei has developed a series of "anti-skid" technologies for snowy weather.

Among them, the precise control of power output is the key in extreme road conditions. Huawei's solution is the DATS Dynamic Adaptive Torque Control System, which can effectively improve the road slipping phenomenon by precisely controlling and intelligently adjusting the motor torque. Road slipping in snowy and icy conditions often results from improper power output, and the Huawei DATS system precisely adjusts to solve this core problem.

Specifically, the Huawei DATS system has torque vector control capability, which can dynamically distribute the torque between the front and rear axles, optimize the vehicle's yaw characteristics, and significantly improve the steering sensitivity. At the same time, the electronic anti-skid control technology enables the system to identify slippery and uneven road conditions, further reducing the probability of slipping. Considering the limited kinetic energy recovery in extremely cold weather, DATS also has the collaborative drag torque control capability to ensure consistent braking force of the entire vehicle and a stable deceleration feeling.

Taking the test-driven Xiangjie S9 as an example, after enabling the Huawei DATS system, the vehicle's lateral stability and steering sensitivity are significantly improved, allowing the driver to be more confident and at ease whether accelerating or cornering.

In addition to the Huawei DATS system, the Huawei TULING platform is also equipped with the HUAWEI XMOTION Intelligent Vehicle Body Collaborative Control System, which centrally coordinates the vehicle's driving, braking, steering, and suspension to improve the driving safety, handling, and comfort in multiple complex scenarios. Also taking the Xiangjie S9 as an example, on a birch forest road that is about 10 kilometers long, covered with snow and ice, narrow, and requiring meeting with large trucks, the Xiangjie S9 steadily copes with these technologies, showing excellent driving performance.

Of course, a strong chassis capability is the foundation, and the addition of the Huawei ADS 3.0 advanced intelligent driving system makes the vehicle more at ease in snowy weather.

All the models on the market of Hongmeng Zhixing are upgraded to be equipped with this system, which has been finely calibrated for extreme weather scenarios. On the snowy road, the system can identify large curvature curves in advance, warn of complex road conditions, and achieve more intelligent handling of complex road conditions, a more stable driving control experience, and safer emergency handling through horizontal and vertical joint control optimization.

Anti-skid is only the basic guarantee, while battery life and warmth retention are also the "big problems" for electric vehicles in winter. Especially in regions such as northeastern China with a temperature of minus 20 degrees Celsius, electric vehicles face severe challenges. However, the vehicles of Hongmeng Zhixing have also shown better-than-expected performance in these aspects.

The Winter Survival Strategy of Hongmeng Zhixing's Electric Vehicles: Saving Energy and Fast Charging

"Not to mention electric vehicles in northeastern China, even some gasoline vehicles do not perform well in the northeastern weather," a local driver in northeastern China told the author.

The difficulty of electric vehicles in winter has been a common topic. If this problem is not solved, the popularity of electric vehicles will undoubtedly be severely hindered, and the market sales will be destined to be a limited market in a small area.

In order to allow electric vehicles to drive smoothly in winter and also allow car owners to "use the heater with confidence", Hongmeng Zhixing has also provided a package of technical solutions.

First, directly addressing the "crux of the problem", the products of Hongmeng Zhixing are equipped with the Huawei Jujing Battery Platform. This is a high-performance battery jointly created by Huawei's deep empowerment and CATL's production, which can bring a stable and solid battery life and a fast charging experience in any extreme environment. The author personally tested that during the nearly three-hour driving process in Changbai Mountain, the Xiangjie S9 had the air conditioner on throughout the journey, and its power consumption was not significantly different from that under normal temperatures.

It is reported that the Zhijie R7, which also adopts the Jujing Battery Platform, has also achieved a battery life achievement rate of 84.9% in the low-temperature area. Even in extremely cold places, it can relieve users' battery life anxiety.

This is primarily due to Huawei's efforts in the material level of the battery. It has launched a low-impedance cell design technology. By improving the design of the positive and negative electrodes of the battery, a positive super-electron network and a negative fast transmission channel are constructed to achieve rapid ion transmission in the full temperature range.

In addition, the "Jujing Battery" also adopts a low-temperature and high-conductivity electrolyte design. Through the innovation of electrolyte materials, the impact of low temperature on the electrolyte activity is reduced, achieving efficient ion transmission at low temperatures.

This is a typical Huawei-style "traceability" problem-solving approach. It should be noted that the core reason why batteries are afraid of low temperatures is the material characteristics of their liquid electrolytes, which lead to a lower conductivity at low temperatures.

Before solid-state batteries are widely used, all cell-level technical strategies need to be improved at the battery material level. However, without Huawei's technical accumulation and resource scheduling capabilities in the mobile terminal field, it is obviously difficult for CATL to cooperate and make these material-level combined innovations.

In addition to the battery, thermal management is also the key to improving the practicality of electric vehicles in winter.

Huawei has launched a large number of refined thermal management control strategies, including the self-developed TMS 2.0 heat pump system and intelligent air conditioning system, achieving efficient energy utilization and energy-saving effects. Huawei's self-developed TMS 2.0 heat pump system has 16+ energy utilization modes, which can achieve the comprehensive utilization of energy in the passenger compartment, battery, and electric drive environment. The intelligent air conditioning system, through scenario-based energy-saving strategies, can reduce the energy consumption of the user's working conditions by 30% to 40%, and the air conditioning power consumption is ≤1.5kwh/100 kilometers. For example, it can independently adjust the air conditioning for the driver and front passenger/ rear seats according to the number/position of passengers in the vehicle to avoid energy waste caused by ineffective heating.

At the same time, Huawei also coordinates the powerful thermal management system with the high-efficiency Huawei DriveONE electric drive system to accelerate the heating speed of the vehicle interior in low temperatures. Combined with functions such as remote vehicle control, consumers can control the air conditioning and seat heating of the vehicle in advance, truly achieving a comfortable feeling of "the vehicle is warm before the person arrives".

To solve the problem of the operating efficiency of electric vehicles in low temperatures, not only should the electricity be used economically, but also the charging should be fast.

In terms of charging, the products of Hongmeng Zhixing support a maximum 800V high-voltage fast charging, with a maximum charging power of up to 310kW, and the charging speed is very fast. In the high-voltage fast charging state, the battery life can be increased by 150km with a 5-minute charge.

Behind this is also relying on Huawei's leading intelligent battery thermal management system, which can identify the charging demand in advance and preheat the battery, allowing the battery to quickly reach the best performance state and achieve efficient and fast charging in winter. At the same time, based on the battery temperature, SOC state, and the capacity of the charging pile, the battery winter heating strategy can be adaptively adjusted to keep the battery in the optimal charging path, achieving the fastest charging with the least energy consumption, further eliminating the battery life anxiety for users in the northern region.

Impact on the High-End Market, Extreme Environment Tests are a Must

For both new and old car manufacturers in the Chinese new energy vehicle market in 2024, it is a significant year. The penetration rate of new energy vehicles exceeds 50%, and technologies such as end-to-end and large models have begun to be widely used in vehicles. Artificial intelligence is changing the R & D paradigm of automotive intelligence.

This year is a real transformation year for many established car companies. They have global profits and have also begun to invest heavily in resources in China to plan products that are truly suitable for the Chinese market, expecting to achieve results in 2 - 3 years.

For the new forces, some have survived the life-and-death line and achieved a positive trajectory in their financial statements, while others have given up their brand positioning and sought quantity and survival by going downmarket.

For Hongmeng Zhixing, 2024 is a crucial year for it to impact the high-end market. In the price range of 200,000 to 1 million yuan, there is still a large gap in the high-endization of Chinese independent brands. And Hongmeng Zhixing, with its brand potential, technical strength, and product capabilities, has almost become the sole player in this field.

For both new and old car manufacturers in the Chinese new energy vehicle market in 2024, it is a significant year. The penetration rate of new energy vehicles exceeds 50%, and technologies such as end-to-end and large models have begun to be widely used in vehicles. Artificial intelligence is changing the R & D paradigm of automotive intelligence.

This year is a real transformation year for many established car companies. They have global profits and have also begun to invest heavily in resources in China to plan products that are truly suitable for the Chinese market, expecting to achieve results in 2 - 3 years.

For the new forces, some have survived the life-and-death line and achieved a positive trajectory in their financial statements, while others have given up their brand positioning and sought quantity and survival by going downmarket.

For Hongmeng Zhixing, 2024 is a crucial year for it to impact the high-end market. In the price range of 200,000 to 1 million yuan, there is still a large gap in the high-endization of Chinese independent brands. And Hongmeng Zhixing, with its brand potential, technical strength, and product capabilities, has almost become the sole player in this field.