Understand the key role of connecting wire harnesses in BMS battery management system

China [CN]

Product Overview: The full English name of BMS is Battery Management System, which is called Battery Management System in Chinese. Its main function is to detect the battery status, manage the on-board power battery, enhance the battery efficiency, and avoid the battery's service life due to excessive charging and discharging. One of the important components of the BMS system is the BMS battery wiring harness, which plays a signal transmission role between the system components.

The BMS battery wiring harness is responsible for the real-time transmission of voltage and temperature signals between the battery modules. However, the battery pack usage environment is very complex. To ensure the stable transmission of BMS battery wiring harness signals, it has high requirements for its high temperature resistance, high voltage resistance, tortuous resistance and flexibility.

In new energy vehicles, BMS mainly controls battery cells, communicates and exchanges information for the entire vehicle. When high-power equipment in cars works, strong electromagnetic interference will be generated. The electromagnetic environment of the whole vehicle in which the BMS is located is relatively complex and will be more or less disturbed. This requires the BMS wiring harness of the new energy vehicle to have the characteristics of anti-electromagnetic interference to ensure that the battery voltage, current and other data are collected more accurately.

The BMS battery wiring harness adopts a shielding design, which can effectively reduce the impact of EMI (electromagnetic interference) and RFIC radio interference on the vehicle system. Application scope: BMS, power battery BMS, new energy vehicles.

According to the location and structure of the wiring harness arrangement, BMS batteries can use tape, corrugated pipe and other protection methods. The entire wiring harness has strict requirements on flame retardant. The battery pack space is limited, so be careful when installing wiring harnesses, be careful to wear and aging.

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