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Electrical distribution system component protection system and method

A technology of electrical distribution and components, applied in the direction of electrical components, vehicle components, electrical devices in testing and transportation, etc., can solve the problems of permanent overheating, damage, and increased warranty costs of components

Pending Publication Date: 2020-03-03
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Overloading can cause overheating and permanent damage to components
Associated part failures can lead to increased warranty costs

Method used

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  • Electrical distribution system component protection system and method
  • Electrical distribution system component protection system and method
  • Electrical distribution system component protection system and method

Examples

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Embodiment Construction

[0018] As required, detailed embodiments of the invention are disclosed herein; however, it is to be understood that the disclosed embodiments are merely exemplary of the invention, which may be embodied in various and alternative forms. The figures are not necessarily to scale; some features may be exaggerated or minimized to show details of particular components. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention.

[0019] The present disclosure relates to software control strategies for monitoring current and / or temperature of components in electrical distribution system (EDS) paths. The control strategy enables mitigating actions if an overcurrent or overtemperature condition is imminent in the weakest component of the EDS. As discussed below, temperature may be a direct measurement from a temperature...

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Abstract

The present invention provides an electrical distribution system component protection system and method. A vehicle includes an electrified propulsion system powered by a traction battery over an electrical distribution system (EDS) and a controller programmed to monitor at least one of a current flow and a temperature at a plurality of locations throughout the EDS. The controller is also programmed to implement at least one mitigation action over a predetermined time window in response to detecting a filtered current value exceeding a threshold.

Description

technical field [0001] The present disclosure relates to an electrically powered component protection system for an electrified vehicle. Background technique [0002] Automakers use drivetrain electrification to improve fuel economy. These systems can have higher electrical ratings and can use many high voltage and low voltage components. To minimize production costs, these parts are typically kept as small as possible and still cover the majority of customer use cases. Certain severe use cases may overload one or more electrical components. Overloading may cause overheating and permanent damage to components. Associated part failures can result in increased warranty costs. Additionally, it may be desirable to re-use component designs from previous vehicle programs rather than redesigning the electrical ratings of each component for each new vehicle. Contents of the invention [0003] The vehicle includes an electric propulsion system powered by a traction battery on ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W10/06B60W10/08B60W20/10B60W20/14B60W40/105B60W50/00
CPCB60W10/06B60W10/08B60W20/10B60W20/14B60W40/105B60W2520/10B60W2050/0043B60W2510/244B60W2710/06B60W2710/08B60W2710/242B60W2710/30H01M10/486B60L58/12B60L58/24B60L2240/545B60L2240/549H02J7/1423H02J2310/48Y02T10/70H01M2220/20H01M10/443G01R31/006Y02E60/10G01R31/382H02J7/007194H02J7/00714H02J7/007182
Inventor 希恩·哈普桑斯里塞思·安东尼·布莱恩约瑟夫·杰拉尔德·苏皮纳小洼俊介
Owner FORD GLOBAL TECH LLC