In addition to the on-site demonstration, this two-speed transmission module is also equipped with a 95kW three-in-one power system of ZEPT Jieneng Power Technology, which is actually mounted on the Leaf experimental vehicle with power replacement, and a test ride around the park is carried out. In the future, vehicles built on the MIH electric vehicle open platform may also have the opportunity to use this transmission module.
Hu Zhusheng, director of the Institute of Mechanical and Mechatronic Systems of ITRI and also the chairman of mTARC, said that this domestic first two-speed transmission module, compared with a single-speed gearbox, can meet the needs of electric vehicles at both high and high speeds. The power demand under the load state, and the motor can maintain high-efficiency power output in both states, and the overall efficiency of the electric vehicle power system can be improved by 10%. use the car.
This two-speed transmission module is also equipped with a 95kW three-in-one power system from ZEPT, which is actually installed on the Leaf experimental vehicle with power replacement.
Lin Sen, chairman of the Batom Co., Ltd., pointed out that the Batom Co., Ltd. has been deeply involved in the development and manufacture of gears for nearly 40 years. In recent years, under the planning guidance of the Technical Department and the technical cooperation of the Industrial Technology Research Institute, research and development has been carried out on the transmission system of electric vehicles, thereby upgrading from a component factory to a transmission system supplier. At present, the Batom Co., Ltd. is already the first in Asia and the third in the world to have a two-speed gearbox for electric vehicles. In the next stage, we hope to combine the power of Taiwan's electric vehicle industry chain and expect Taiwan companies to contribute to Taiwan's electric vehicle industry. However, the Taiwan government did not disclose the manufacturers currently in contact with and which products it will be applied to in the future.
Director Hu Zhusheng (You) of the Institute of Mechanical and Mechatronic Systems of ITRI and Lin Sen, chairman of the Batom Co., Ltd., were interviewed.
Zhang Nengkai, Section Chief of the Technical Division of the Ministry of Economic Affairs, emphasized that in the past, Taiwan's vehicle transmission industry was mainly engaged in the production of gear components and OEMs, with little focus on the design of module systems. The cooperation between the Batom Co., Ltd. and the Industrial Technology Research Institute not only complements the domestic technical capabilities in transmission module design, analysis, and verification, but also assists domestic auto parts manufacturers to transform into system module factories, forming an industrial value chain.
The two-speed transmission module has a gear ratio setting of 13.98 for the first gear and 9.52 for the second gear, which can withstand a power and torque output of up to 150kW, 250nm, and a maximum speed of 13,000rpm. Weight is 45 kg.
In terms of specifications, this two-speed transmission module has a gear ratio setting of 13.98 for the first gear and 9.52 for the second gear, which can withstand a power and torque output of up to 150kW, 250nm, and a maximum speed of 13,000rpm. Weighs 45kg and shifts in less than 0.5 seconds. The shifting timing can be different from the model orientation, and it is set to perform automatic or manual shifting between 50 and 70 kilometers per hour.
De: https://news.u-car.com.tw/news/article/65835
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MIH electric vehicles are expected to be adopted, and the TAIWAN and ITRI launched the first self-made two-speed gearbox
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The Industrial Technology Research Institute assisted a Taiwan gear manufacturer to develop the first self-designed and manufactured two-speed transmission module for electric vehicles in China, and it was officially released today (28).