Digging into potential traditional engines "Old trees need to open new flowers"

Recently, the 7th annual meeting of the "China Motor Engine Industry Salon" and "China's Top Ten Engine Selection Technology Advisory Committee" organized by "Automotive and Sports evo" was held in the China Science and Technology Hall in Beijing.

The theme of this year's salon is in line with last year's. The theme of this year's thesis is "Publishing 2014 Core Technology Trends for Automobiles." A number of technology executives from several auto manufacturers, independent engine manufacturers and parts and components companies were invited to give a keynote speech at the meeting. In the core technology research and development results and development trends, analyze the advantages of core technology into the market.

Although new energy vehicles represented by hybrid and pure electric vehicles have developed rapidly in recent years, it is not difficult to see from the statements made by many senior technology executives that traditional internal combustion engine-powered automobiles will remain for a long time to come. The main force of the power system revolves around how to dig the power efficiency of traditional internal combustion engines and enhance the traditional engine technology level. This is the main theme of the Chinese automobile engine industry salon. Representatives also agreed that this will be one of the key research and development priorities of the automotive industry in the future.

There is still a lot of room for improvement in traditional engines. "Before electric cars can enter the millions of households, we need to open new trees for traditional engines and add new contents for traditional engines." Tsinghua University Research on Automobile Industry and Technology Strategy The dean of the hospital, Zhao Fuquan, opened the address with the words of the host. This sentence is also confirming the views of many technology executives.

How to improve the efficiency of conventional engines and develop more environmentally friendly engines involves many aspects of the upper and lower engine products. This includes not only innovations in the structure, materials, and design concepts of engine components, but also fuel, lubricants, and emissions. System improvements.

Shen Feng, vice president of research and development for Volvo Car Group in China, said that in the future, the development trend of the engine will be toward modularization and serialization. He used Volvo Drive-E as an example to introduce Volvo's concept of engine development. In terms of design concept, Volvo believes that the future development trend of the engine is modularization and serialization. Therefore, in the Drive-E powertrain, Volvo has adopted as many modular designs as possible. For example, in the design of the cylinder block, the versatility of both gasoline and diesel models has been highlighted, resulting in a significant reduction in the cost of production in the later period. In the intake method, multiple turbocharger and turbocharging options can be used. Speaking of serialization, Shen Feng believes that in the future, it will not need a variety of engines. With serialized design concepts and different calibration data, the same series of engines can be applied to more models.

For diesel engines used in commercial vehicles, the selection and design of post-processing technology solutions are more critical than the improvement on the engine body. Yu Ning, the general manager of Fiat Power Technology (hereinafter referred to as FPT) Asia Pacific, believes that the development of commercial vehicle diesel engine after-treatment systems will develop towards integration and high efficiency. The development of FPT on post-processing devices highlights integrated design and higher efficiency. The FPT Euro 6 emission standard engine and post-processing device introduced by Yu Ning uses an efficient SCR technology route through SCRs and catalysts. , Passive particle traps and corresponding execution modules are integrated, and FPT's high-efficiency SCR aftertreatment device can be integrated into a 0.5 cubic meter tank, making it easier to arrange on various commercial vehicles. In addition, since the exhaust gas recirculation device is not used, the vehicle is more convenient in daily maintenance, and there is basically no difference in the fuel economy with the same type of Euro 5 emission engine.

Of course, improving the performance of conventional engines is not limited to the improvement of the engine body. Dr. Dong Hongyi of China National Petroleum Lubricants believes that with applications such as in-cylinder direct injection and turbocharging technology, the engine needs to withstand higher operating temperatures and greater loads. Therefore, innovation in lubricants is also required. It is necessary to optimize the exhaust emission performance of vehicles by reducing the amount of sulfur, phosphorus, and other chemical substances in lubricants. In order to adapt to the application of in-cylinder direct injection and turbocharging technologies, it is necessary to enhance the lubrication of lubricating oil under more severe conditions. On the other hand, for the conventional port injection engine, a lower viscosity lubricant will be developed to further reduce the fuel consumption while ensuring the lubrication effect.

Root out the potential need greater cooperation in this <br> <br> Chinese automobile engines salon industry, not only new product technology executives of a number of enterprises, new technology presentations, further comprising the industry's experts, academics For the current domestic auto industry how to expand R & D capabilities, how to develop more efficient engine power discussion.

Zhang Jinhua, executive vice chairman and secretary-general of the China Automotive Engineering Society and several industry experts said that the current domestic automotive technology R&D needs deeper cooperation between companies, especially in the aspect of common technology, which requires domestic auto companies and parts and components companies. Conduct horizontal and vertical joint R&D. He took the investment in research and development of the entire industry of the Chinese automobile industry as an example. In 2013, he spent nearly 60 billion to 80 billion yuan, a considerable amount, equivalent to the annual input of a Toyota, Volkswagen, and General Motors company, but due to domestic companies As a result, the actual R&D investment of each company is small. Most of the alliances established in industry and technology have had little success. In common technology research and development, the entire vehicle and parts and components companies need to break the shackles and concentrate their efforts on R&D.

Zhao Fuquan believes that for domestic independent enterprises, it is impossible to compete with foreign brands in terms of research and development capabilities and capital, and therefore it is even more necessary to develop “enclosure and warmth” and focus on superior forces to carry out technological research.

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