Method and arrangement for protecting access to live parts
By performing plug sensing and locking mechanisms in the charging contact sockets of hybrid or electrified vehicles, the safety hazards of live parts under multiple socket configurations are solved, and a safe and reliable charging process is achieved.
CN113195295BActive Publication Date: 2024-12-20SCANIA CV AB
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Patent Information
- Application Number
- CN201980083204.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Priority Date
- 2018-12-19
- Filing Date
- 2019-12-18
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2039-12-18
Smart Images
Figure CN113195295B_ABST
Abstract
An arrangement for preventing access to live parts in charging contact sockets (12, 19) of a hybrid or electrified vehicle, the hybrid or electrified vehicle having a plurality of such sockets, each of which can be connected to an external source of electrical energy (3) via a switch (18) in an electric vehicle supply equipment station (4) by inserting an electrical plug (11) into the socket for supplying electrical energy to a battery (1), the arrangement comprising insulating plugs insertable into the sockets, the sockets being connected to each other and to the battery. The device is configured to sense the presence of an electrical plug or insulating plug in each socket, and the switch (18) will close if the device senses an electrical plug or insulating plug for all sockets and at least one of the plugs is an electrical plug.
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