Safety device for a battery contactor in an electric vehicle
US10189355B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 28, 2015 |
| Grant date | Jan 29, 2019 |
| Priority date | — |
| Expiry date | Oct 6, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T90/16
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The invention relates to a safety device (4) for a contactor (2) connected between a secondary battery and an electrical power network, in particular of a motor vehicle that can be driven electrically, comprising at least one electronic evaluating unit (6), which can be connected to at least one electrical component of the secondary battery by means of a communication connection (5), and at least one safety switch (8), which can be controlled by means of the electronic evaluating unit (6) and which can be arranged in an electrical control circuit (7) of the contactor (2), wherein the electronic evaluating unit (6) is designed to receive at least one component-specific piece of actual information (12) from the electrical component via the communication connection (5), to compare the received piece of actual information (12) with at least one piece of target information stored in the electronic evaluating unit (6), and to control the safety switch (8) in dependence on a result of the comparison in such a way that the electronic evaluating unit closes the safety switch (8) if the piece of actual information (12) corresponds with the piece of target information and opens the safety swi…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.