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current location:HengweilinHome page » News » Industry News » China's key technology of new energy vehicles, a major breakthrough in Yutong as the only access to the national science and technology progress award of the whole enterprise

China's key technology of new energy vehicles, a major breakthrough in Yutong as the only access to the national science and technology progress award of the whole enterprise

Article source:恒伟林popularity:-Published time:2016-04-21 00:00:00【large middle Small
Abstract : January 8, 2016, the CPC Central Committee, the State Council held a grand national science and Technology Awards Conference in Beijing, the party and state leaders Li Keqiang, Xi Jinping attended the meeting and award for the winners.

 In just the past 2015 years, China's new energy vehicles showed explosive growth.

  January 8, 2016, the CPC Central Committee, the State Council held a grand national science and Technology Awards Conference in Beijing, the party and state leaders Li Keqiang, Xi Jinping attended the meeting and award for the winners. Meeting, Yutong Bus presided over the completion of "energy-saving and new energy bus key technology research and development and industrialization projects with ahead of the key technology and produce great economic benefit obtained the second-class award of 2015 annual National Science and technology progress award, which marks the automobile enterprises of our country in new energy source areas in the development of key technologies obtained major breakthrough, and Yutong Bus has thus become automobile companies in China in the field of new energy vehicles only award and its achievements in high power system, integration and management of power battery, vehicle control and energy saving technological breakthroughs, new energy vehicles as China's strategic emerging industries in the development process an important milestone.

  It is understood, after ten years of technical research of the project, forming a number of key technology innovation, to achieve a pure electric, in electric, hybrid platform development, and completed the 6 - 18 meters of energy-saving and new energy bus series products. In which the vehicle energy saving and control technology, high voltage isolation power conversion technology, high density electric drive control technology is in the international leading level. The project has been authorized 23 patents, utility model patents 142, software copyright 14, published 23 papers, the formation of national and industry standards 4.

  Industrial development must rely on technological innovation, and the current focus of the new energy vehicle technology is focused on the innovation of battery technology. According to the person in charge of the project, the Yutong battery powered integrated management technology proposed power battery capacity decay accelerated test method and based on data driven battery charge (SOC) of state power estimation method, the batch testing the mileage extended by an average of 4%. At the same time also invented a with battery box structure of heat preservation, heat and moisture function and integrated thermal management system, developed to achieve IP67 protection rating of power battery box, to solve the wading safety and alpine regional adaptability problem. In addition, Yutong, dynamical systems, vehicle control and energy saving technology is a major breakthrough, the formation of the mode of energy saving and emission reduction in electric and intelligent.

  "In our country in the process of the industrialization of new energy vehicles generally face key parts imported, integrated degree is low, the cost is high; battery power system short service life, poor environmental adaptability; vehicle energy utilization rate is low, continued driving mileage is short." Wan Xinming, vice president of China Automotive Engineering Research Institute, said. Yutong Bus project breaks through the three major technical problem in the long-term control energy-saving and new energy vehicle development, is conducive to the realization of the pure electric, in electric and hybrid three bus large-scale popularization and application.

  It is understood, at present the key technologies of the project has been applied to bulk to 6 - 18 meters of energy-saving and new energy bus series products, 112 product announcements, medium, large, extra large type passenger car cover, meet the city bus, bus passenger transport, airport shuttle, business reception, organizations, and other segments of the market.

  As of November 30, 2014, Yutong energy-saving and new energy bus series of products to achieve sales reached 103.32 billion, and promote the development of raw materials, spare parts, assembly, vehicle, and service industry chain, realize the value of industries more than 500 million. "From the new energy bus market in 2015, the development of the situation, the new energy bus replacement trend has become increasingly evident." According to industry experts said, by 2015, China's new energy bus market share has been as high as 47.81%, and this proportion is rising; in addition, alternative group bus, tourist bus has gradually been recognized by the market.

  At the same time, in terms of energy saving and emission reduction, as of October 2015, Yutong series products accumulated promotion 23796 and Taiwan, the promotion of products each year can be 9300 million liters of fuel saving, solar terms 2 billion Nm3 (standard), the annual for the user to save fuel costs about 14 billion and reduce carbon emissions of about 64 million tons, to reduce PM emissions of about 79 tons.

  t is understood, since it was put forward the goal of development of new energy vehicles in 2012, our country introduced financial subsidies, priority, license plate opening, such as a series of policies and measures, and the newly issued "China manufacturing 2025" strategy is clearly put forward to support the electric vehicles, fuel vehicle development. And the CPC Central Committee on the development of the national economy and social development of the five thirteenth year plan of the proposed new energy vehicles to promote the country's important program, the requirements to improve the level of industrialization of electric vehicles.

  In this context, despite the downturn trend in the 2015 domestic car market as a whole, but the production and sales of new energy vehicles has been speeding growth, especially the pure electric vehicles and plug-in electric hybrid car sales data are growing exponentially.

  China automobile industry association data show that this year, 1-10 months, China's new energy vehicles cumulative sales of up to one to one, while the world's largest new energy vehicle market in the United States annual sales of about 180 thousand vehicles. According to this sales volume, China is expected to become the world's first new energy vehicle market.  "China's auto industry has gradually completed the transformation of industries and technological accumulation, the realization of the foundation of sustainable development, through rapid industrialization, manufacturing enterprises realize the rapid growth of the product, gradually to meet the diverse needs of the market." Wan Xinming said.

   Insiders said that China's new energy automotive industry benign cycle of sustainable development and need to regulate the industry as a whole, to enhance independent innovation, improve product quality, realize from the car manufacturing country to automobile manufacturing power forward.

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