With the rapid development of the domestic new energy automobile market, many domestic automobile brands choose the short-cut oil-to-oil circuit line when they launch hybrid models, when they are unwilling to spend too much time and capital cost on research and development, but want to join the new energy war as soon as possible and realize product diversity quickly.
changing from oil to electricity is only a partial modification on the basis of the existing fuel vehicle, and it becomes a new hybrid vehicle. From the perspective of research and development, it is indeed time-saving, labor-saving and money-saving, but at the same time, it has considerable limitations, because it is the framework of the fuel vehicle itself, and there are great problems in product performance, body layout, appearance and safety performance.
Limitations of oil-to-electric vehicles:
First, the safety is low. In the early oil-to-electric vehicles, batteries were usually installed under the vehicle or in the trunk, and the safety problems caused by rubbing and rear-end collision were particularly prominent. In the oil-to-electric vehicles, high-voltage wires were also placed under the rear seats, and the electromagnetic radiation generated by such vehicles would pose a great threat to human health.
Second, the space is short. Because of its own structural constraints, the fuel car will generally occupy the original space in the back row, trunk and chassis. Needless to say, there are some unreasonable situations such as thick threshold and small ground clearance.
Third, the battery life is not good. Because of the layout problem, the number of batteries in the oil-to-electric vehicle will be limited. In addition, the battery cooling system is usually not properly laid out, and the cruising range of the vehicle will be greatly limited.
fourth, poor handling, the braking performance and handling performance of the whole vehicle are usually not good because it is difficult to control the details such as the front and rear weight ratio and the suspension hardness.
standing on the shoulders of giants, taking the lead and being obsessed with technology
Of course, among many automobile brands, there are also technology-savvy players who are unwilling to take shortcuts and stick to their own research and development.
For the development of new energy vehicles in China, as early as 215, the Ministry of Science and Technology issued the "National Key R&D Plan for New Energy Vehicles (Draft for Comment)". Because of the persistence in technology, the exploration of technology, and the sense of responsibility of China brand to explore hybrid technology, many manufacturers including Chery Group immediately devoted themselves to the research and development of new energy vehicles. In 217, Chery Group was successfully selected as the special project of the Ministry of Science and Technology for the development of new and cost-effective passenger car hybrid powertrain and vehicle integration. In view of the fact that the domestic plug-in hybrid powertrain system lags behind the international advanced level in electromechanical coupling devices, hybrid engines, hybrid powertrain and other core components, and its economy and ride comfort can not fully meet the market demand, it strives to develop a cost-effective electromechanical coupling gearbox to form a mature and reliable passenger car hybrid powertrain.
thanks to the technology accumulation of Chery group in the past 25 years, Jietu Bus Station organically combines the advantages of the group platform architecture with the concept of travel+on the shoulders of giants, actively expands 2DHT and 1DHT by relying on 3HT, and adds three exclusive hybrid engines to successfully build a Kunlun intelligent hybrid platform specially for hybrid.
jetway's insistence on the r&d route not only stems from its enthusiasm for r&d, but also the confidence brought by Chery group's technology accumulation in the past 25 years, the absolute advantage of the group's platform architecture and the correct r&d concept.
after more than three years' ingenious iteration, Chery Group pursued perfection from more than 1, configurations, and launched its own brand first 3DHT, which broke through the technical difficulty of "sticking its neck" in one fell swoop, successfully circumvented the patent obstacle of foreign companies in hybrid technology, and opened up a new direction for the research of brand hybrid technology in China.
The first product of Kunlun Smart Hybrid Platform-Jietu Dasheng i-DM Native Smart Hybrid
As the first product of this platform, Jietu Dasheng i-DM Native Smart Hybrid is undoubtedly the pioneer of China Native Smart Hybrid SUV, and it comes from Kunlun Smart Hybrid Platform, and its advantages in system, structure, product performance and vehicle layout are particularly obvious.
jietu dasheng i-DM has put the pain points of hybrid vehicles into a unified framework from the beginning of design, which has solved many problems such as tight space, weak performance, poor battery life and insufficient safety of oil-to-electric vehicles. It benefits from the chassis specially designed for hybrid vehicles, and fully considers the layout of the three electric systems. The battery and fuel tank are all arranged in the middle of the car body, and it also has the advantages of low center of gravity and stable driving control.
The traditional distributed electronic architecture is often adopted for fuel vehicles or fuel-to-electric vehicles. Each electronic control unit is usually only responsible for a single functional unit, which is independent of each other. The engine, brakes, doors and other components are all managed separately, so it is impossible to achieve unified command and dispatch, resulting in a serious waste of computing power. Coupled with different hardware and different embedded software and underlying code, the increase of new functional components in new car configuration will make its architecture more chaotic and overwhelmed.
The unbounded electronic architecture adopted by Jietu Dasheng i-DM Native Intelligence Hybrid adopts advanced designs such as integrated gateway design, new energy-specific P-CAN, experiential electronic architecture, etc. As the interactive hub of vehicle network data, it has the characteristics of strong computing power, multi-channel, quick response and safer, and can better adapt to the advanced electronic equipment of new energy vehicles.
compared with the traditional mechanical chassis, it consists of four parts: transmission system, running system, steering system and braking system, and adopts mechanical signals for transmission. The integrated WCBS-by-wire chassis used by Jietu Dasheng i-DM is electronically controlled, which is more sensitive to response. Electrical signal transmission is used instead of mechanical signal transmission, which has the advantages of high precision, high safety and high response speed, which is also the advantage of its L2-level intelligent assisted driving.
Written at the end:
The strength of Jetway, which takes the technical route, is naturally beyond saying, but the original intelligence of Jetway Dasheng i-DM is not a "tech man who only wears plaid shirts but doesn't know luxury". It also has a cool appearance with a great sense of the future and a minimalist technology interior.
The borderless air intake grille is equipped with full LED light group and intelligent invisible induction handle, and the design elements of 2-inch cutting wheel hub and mecha spoiler are all favorite design elements for young users nowadays. Comparable to Tesla's minimalist technology interior, the 15.6-inch floating intelligent large screen is full of futuristic technology, integrated flying seats, intelligent voice interactive AI lights, Mercedes-Benz luxury electronic arms, colorful rhythmic atmosphere lights, wireless fast charging of 4W mobile phones, etc. Jietu Dasheng i-DM is not only good at dressing up, but also knows what quality is, what luxury is and what car enjoyment is!
This article comes from the headline of Che Shi, the author of Yi Che Hao, and the copyright belongs to the author. Please contact the author if you reprint it in any form. The content only represents the author's point of view and has nothing to do with car change.