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Continuous circuit and fuse protection in high voltage applications exposed to chemically harsh environments
Continuous circuit and fuse protection in high voltage applications exposed to chemically harsh environments
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机译:暴露于化学恶劣环境下的高压应用中的连续电路和熔断器保护
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摘要
A battery pack, a device for sensing individual battery voltages in a battery pack and protecting the battery pack in the event of a circuit-breaking event, and a method for forming an encapsulant for the voltage-sensing circuit for use in a battery-powered automobile propulsion system. The battery pack includes numerous voltage sensing circuits with surface-mounted fuses and an encapsulant formed around each of the fuses. The encapsulant is robust enough to provide environmental isolation of the surface-mounted fuse such that the tendency of the fuse to form short-circuit connections to adjacent circuits is avoided under both normal battery pack operation and after a condition where the battery pack is compromised. The precursor to the encapsulant is made from a multiple layers of a traditional thin coating material or a single layer of a high-viscosity fluid to help maintain a minimum coating thickness around all exposed portions of the surface-mounted fuse, including the breech-prone corners.
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