On June 25, 2017, the Chinese standard EMU with completely independent intellectual property rights and reaching the world's advanced level, which was led by China Railway Corporation, was named "Fuxing". The China Standard EMU is an important measure for the China Railway Corporation to conscientiously implement the important deployment and innovation-driven development strategy of the "Made in China 2025" of the Party Central Committee and the State Council. It is a decision to implement according to the development needs of China's railways and the requirements of the "going out" strategy. A major railway equipment project.

In order to comprehensively improve the design, software development, and manufacturing technology of China's high-speed railway EMUs, create a high-speed EMU design and manufacturing platform suitable for China's national conditions and road conditions, realize the autonomy, standardization and serialization of China's high-speed railway EMUs, and promote EMUs The leap from manufacturing in China to creation in China, since 2012, under the leadership of China Railway Corporation, China Academy of Railway Sciences has taken the lead in technology and gathered the power of China, carry out the design and development of Chinese standard EMUs.

The design and development of China's standard EMU follows the principles of safety, reliability, simplification, serialization, economy, energy saving and environmental protection, and has increased in terms of convenience, environmental protection, energy saving, reduction of life cycle costs, and further improvement of safety redundancy. Innovation efforts. During the development period, it has successively completed the formulation of overall technical conditions, scheme design, vehicle type test, scientific experiment, no-load operation, simulated load test, etc., carried out type test on the Daxi line, carried out high-speed rendezvous test on the Zheng-Xu line, and carried out passenger operation on the Harbin-Dalian and Beijing-Guangzhou high-speed railways. All assessment indicators meet the standard specifications and application requirements, safety, comfort and various performance indicators, as well as application adaptability, stability, reliability, and manufacturing quality all meet the design requirements. The performance indicators of the entire vehicle have been greatly improved, and the design life has been increased from 20 years to 30 years. On January 3, 2017, the model certificate and manufacturing license issued by the state were obtained.

More than 10 aspects such as electrical, braking and air supply, train network standards, operation and maintenance have reached the international advanced level. A large number of technical standards such as Chinese national standards, industry standards, and China Railway Corporation enterprise standards are adopted. At the same time, a number of international standards and foreign advanced standards are adopted, which have good compatibility. Among the 254 important standards, Chinese standards account for 84%. The overall design of China's standard EMU and key technologies such as car body, bogie, traction, braking, and network are all independently developed by my country and have completely independent intellectual property rights.

Its technological innovation and achievements are mainly reflected in:

The use of advanced security technology. An intelligent perception system is set up, a powerful safety monitoring system is established, and more than 2500 monitoring points are deployed throughout the vehicle, which can carry out all-round real-time monitoring of the running gear status, bearing temperature, cooling system temperature, braking system status and passenger room environment. Add collision energy absorption device to improve the passive protection ability of EMU. In order to meet the needs of China's vast territory, complex environment (-40 ℃ ~ 40 ℃), long distance and high-intensity operation, the main structural components of EMU are assessed according to the highest grade (design life of 30 years or 15 million kilometers), and the whole vehicle is assessed for 600000 kilometers (generally 400000 kilometers in Europe).

The passenger interface and driver interface are optimized. Full coverage of WiFi network is realized in the carriage, and an uninterrupted 220V power socket is provided for passengers. The air conditioning system fully considers the influence of pressure wave outside the car to reduce ear discomfort when passing through tunnels or rendezvous. The train is equipped with a variety of lighting control modes, which can provide different light environments according to the needs of passengers. Take measures to reduce vibration and noise, improve washing facilities, and set up barrier-free facilities to provide passengers with a good ride experience.

The intelligent perception system is established. Collect more than 1500 items of various vehicle status information, comprehensively monitor the running status of the train, sense the train status in real time, including safety performance, environmental information (such as temperature), etc., and record the operating conditions of each component to provide support for omni-directional and multi-dimensional fault diagnosis and maintenance. When the train is abnormal, it can automatically alarm or early warning, and can automatically take speed limit or stop measures according to the safety policy. In addition, remote data transmission is used to obtain vehicle status information in real time on the ground, and to improve ground synchronous monitoring and remote maintenance capabilities.

New low-resistance streamlined head and smooth body design. The train resistance is 7.5-12.3 lower than that of the existing CRH380 series, and the energy consumption per person per 100km at 350 km/h speed is reduced by about 17%, effectively reducing the energy consumption for continuous operation. In the case of increasing the cross-section of the car body and increasing the space, the train running resistance, per capita energy consumption of 100 kilometers and interior noise are significantly reduced at 350 kilometers per hour, showing good energy saving and environmental protection performance.

The appearance design of the Chinese standard EMU implies that China's high-speed rail continues to innovate, forge ahead, lead China, and gallop the world, in order to realize the "Chinese Dream" of the great rejuvenation of the Chinese nation. he expressed his wish to wish the great motherland prosperity and the people happiness and well-being.

The front of the car adopts a slender streamline shape with tough and sharp lines, showing the momentum of being magnificent and vigorous. The front of the car is pasted with a bronze road emblem, shining brightly. The ribbon around the front of the car has evolved from "dragon beard" and is matched with "Chinese red", which is vigorous and easy. The front face painted in black is solemn and thick, the headlights are like the finishing touch, and the silver-gray body presents a strong sense of technology and industry. The overall shape is like a rainbow, like a dragon ready to take off. Both sides of the end of the head and tail cars are marked with the abbreviation "CR" of China Railway. The "CR" has the connotations of comfort (Comfort) and reliability (Reliability). In addition, the "S" represented by the combination of "CR" in the overall shape represents the speed (Speed) and safety (Safety). The distinctive features of China's high-speed railway are ready to be seen. The "C" and "R" forms in the modeling are different but support each other, showing the beauty of Eastern culture and.

The front of the car is pasted with a bronze road emblem. The golden ribbon on the front of the car extends upward from the front to the roof. The pure white body symbolizes purity and sacredness. Both sides of the end of the head and tail cars are marked with the abbreviation "CR" of China Railway. "C" has evolved into the image of the head of the moving EMU, reflecting the characteristics of the industry. "R" is elegant and dynamic, and the letter "C" forms a fluttering ribbon, symbolizing the belt and road initiative. The logo as a whole presents the formal beauty of "outside square and inside circle" and "hard and soft.

The successful development of China's standard EMU is of great strategic significance for promoting the sustainable development of China's high-speed railway, promoting the industrialization of independent innovation achievements of high-speed railway equipment, comprehensively and systematically mastering the core technology of high-speed railway EMU and key equipment, and speeding up the "going out" of China's high-speed railway.

How many cattle are there in the "Fuxing" Chinese standard EMU?

The "Fuxing" Chinese standard EMU has built a complete system, reasonable structure, advanced and scientific technical standard system. More than 10 aspects, such as basic general purpose, car body, walking device, cab layout and equipment, traction electricity, braking and air supply, train network standards, operation and maintenance, have reached the international advanced level.

EMU cab first exposure

"Fuxing" Chinese standard EMU adopts a large number of technical standards such as Chinese national standards, industry standards and enterprise standards of China Railway Corporation. At the same time, it adopts a number of international standards and foreign advanced standards, which has good compatibility. Among the 254 important standards, Chinese standards account for 84%. In the future, all vehicles can be interconnected, and all core standard components of trains can be interchanged. The most important thing is that the overall design of China's standard EMU and key technologies such as car body, bogie, traction, braking, and network are all independently developed by my country and have completely independent intellectual property rights. Its technological innovation and achievements are mainly reflected in:

1. security technology is more advanced. The "Fuxing" Chinese standard EMU is equipped with an intelligent perception system and a powerful safety monitoring system. More than 2500 monitoring points are deployed throughout the vehicle, which can monitor the running gear status, bearing temperature, cooling system temperature, braking system status and passenger room environment in all directions in real time. The "Fuxing" Chinese standard EMU also added a collision energy absorption device to improve the passive protection capability of the EMU. In order to meet the needs of China's vast territory, complex environment (-40~40), long-distance and high-intensity operation, the "Fuxing" Chinese standard EMU will examine the main structural components of the EMU according to the highest grade (design life of 30 years or 15 million kilometers), and the whole vehicle will be examined for 600000 kilometers (generally 400000 kilometers in Europe).

2. ride experience is better, not only can charge and have WiFi. The "Fuxing" Chinese standard EMU has realized full coverage of WiFi network in its carriage and is equipped with uninterrupted 220V power sockets for passengers. The air conditioning system fully considers the influence of reducing the pressure wave outside the car and reduces ear discomfort when passing through tunnels or rendezvous. The train is equipped with a variety of lighting control modes, which can provide different light environments according to the needs of passengers. The "Fuxing" Chinese standard EMU has also adopted a variety of vibration and noise reduction measures, improved washing facilities, and equipped with barrier-free facilities, which can provide passengers with a better riding experience.

3. perception system is more intelligent, abnormal automatic speed limit or parking. "Fuxing" China standard EMU collects more than 1500 items of various vehicle status information, which can comprehensively monitor the train operation status, sense the train status in real time, including safety performance, environmental information (such as temperature), etc., and record the operation conditions of various components, providing support for all-round and multi-dimensional fault diagnosis and maintenance. When the train is abnormal, it can automatically alarm or early warning, and can automatically take speed limit or stop measures according to the safety policy. In addition, the "Fuxing" Chinese standard EMU also uses remote data transmission, which can obtain vehicle status information in real time on the ground and improve ground synchronous monitoring and remote maintenance capabilities.

4. the low-resistance streamlined and smooth design of the car body, not only the energy consumption is greatly reduced, but also the noise inside the car is significantly reduced. The resistance of the "Fuxing" Chinese standard EMU train is 7.5-12.3 lower than that of the existing CRH380 series, and the energy consumption per person per 100km at 350 km/h speed is reduced by about 17%, effectively reducing the energy consumption for continuous operation. In the case of increased car body section and increased space, when the "Fuxing" Chinese standard EMU was tested at 350 kilometers per hour, the train running resistance, energy consumption per 100 kilometers per person and interior noise were significantly reduced, showing good Energy saving and environmental protection performance.