The advantages of ultra-thin cooling fans in environmental protection.electric fan direct sales

　　In this era of calling for environmental protection, new energy power is gradually becoming the mainstream direction of development. The operation of new energy buses requires the support of industrial cooling fans. There are various types of industrial cooling fans, so what is better for different types of industrial cooling fans? Ultra-thin cooling fans are becoming the best.

　　Thanks to the support of national policies, the new energy automobile industry has developed rapidly, and it has also driven product and technological innovation in the field of automobile cooling. As a necessary part of the automotive cooling system, the performance of automotive cooling fans has also received extensive attention. In terms of how to choose a cooling fan for new energy vehicles, more and more users no longer only pay attention to price, and the life of the cooling fan, noise, speed, stability, etc. have become factors that must be considered.

　　From the perspective of the development process, the automotive cooling fan can be divided into three main stages. The first stage: mechanical cooling fan, the engine is directly driven or driven by a pulley; the second stage: clutch fan, a clutch is installed on the mechanical fan, which is divided into electromagnetic clutch and silicon oil clutch; the third stage: electronic fan, through the sensor And the relay controls the fan running state. The three types of automotive cooling fans reflect the development of automotive cooling technology in different periods and the different user requirements for vehicle performance.

　　Different types of vehicles have different requirements for the performance of cooling fans and different degrees of acceptance of cooling fan technology. From the application practice of fans in the traditional fuel vehicle market, passenger car engine cooling technology is at the forefront. After 2000, electronic fan cooling began to be popularized in passenger car engine radiators. At the same time, commercial vehicles and construction machinery were still belt fans or clutch fans. However, at that time, the fuel passenger car radiator fan was still in the stage of brushed electronic fan.

　　Automotive cooling fans can be divided into brushed electronic fans and brushless electronic fans. In terms of service life, ultra-thin cooling fans are far longer than brushed fans. For a long period of time in the past, due to the high requirements for design requirements, production process, technology research and development, etc., ultra-thin cooling fans are expensive and have not been widely popularized. With the rapid development of new energy vehicles, the gradual maturity of brushless DC motor technology, and the advancement of production technology, brushless electronic fans have begun to "cut a figure".

　　New energy buses are the fastest growing and most popular segment of new energy vehicles. The particularity of urban public transportation requires that new energy buses must have high safety, high performance and stability, and easy maintenance. These requirements are ultimately reflected in vehicle manufacturing and component selection. In terms of heat dissipation of the power system of new energy buses, high-performance cooling fans have become the first choice.

　　Chinabus.com found from the recent bidding for suppliers of several large bus companies that in the motor cooling system tenders, the products provided by suppliers must be brushless electronic fans for heat dissipation, and some vehicle manufacturers further require the import of brushless electronic fans. At the same time, it needs to meet the requirements of infinitely variable speed, low noise, and protection level IP67. Suzhou Yili Technology is a high-tech enterprise specializing in the cooling of new energy vehicles. The reporter saw a market application data of ATS cooling system during the survey, including BYD K series city bus, Higer pure electric bus, Yinlong pure Electric city buses, etc. have widely adopted brushless electronic fans on radiators.

　　The role of the radiator is to dissipate heat to the power system of the new energy vehicle, and the fan plays an important role in accelerating the heat exchange efficiency of the radiator. The quality of the cooling fan directly affects the cooling effect of the new energy vehicle radiator. With technological progress, stable performance and standardization and scale of production processes, the cost of brushless electronic fans is gradually decreasing, and brushless electronic fans will definitely become the first choice for new energy vehicle radiator fans. Brushless DC electronic fans will also become the mainstream configuration for heat dissipation of new energy vehicles.

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