Method for detecting operations of a power storage device and related power storage device
AssigneeWistron Corporation
InventorsPo-Hsine Li, Chih-Hung Chen, Chia-Hung Chen
Life of this patent
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Abstract
A method for detecting operations of a power storage device is disclosed. The power storage device includes an electricity storage unit for storing power output from an electronic device or outputting power to the electronic device. The method includes detecting current between the electricity storage unit and the electronic device to determine whether the electricity storage unit is malfunctioned and causes short circuit, and generating an alarm signal when the electricity storage unit is malfunctioned and causes short circuit.
Claims16
A method for detecting operations of a power storage device comprising an electricity storage unit for storing power output from an electronic device or outputting power to the electronic device, the method comprising:
- detecting current between the electric storage unit and the electronic device to determine whether the electricity storage unit is malfunctioned and causes short circuit;
- generating an alarm signal when the electricity storage unit is malfunctioned and causes short circuit;
- a switching module, coupled between the electricity storage unit and the electronic device, for controlling a connection between the electricity storage unit and the electronic device according to current between the electricity storage unit and the electronic device;
- wherein the switching module comprises:
- a current sensing unit comprising a first terminal coupled to the electronic device, a second terminal and a third terminal, for sensing current between the first terminal and the second terminal and outputting a sensing result via the third terminal;
- a control unit, coupled to the third terminal of the current sensing unit, for outputting a control signal according to the sensing result;
- and
- a switch unit, coupled to the second terminal of the current sensing unit, the electricity storage unit, the control unit and the detecting unit, for coupling the electricity storage unit to either the current sensing unit or the detecting unit.
A power storage device capable of detecting operations, for receiving power output from an electronic device or outputting power to the electronic device, the power storage device comprising:
- an electricity storage unit for storing electricity or outputting stored electricity;
- a switching module, coupled between the electricity storage unit and the electronic device, for controlling a connection between the electricity storage unit and the electronic device according to current between the electricity storage unit and the electronic device;
- a detecting unit, coupled to the electricity storage unit, the switching module and the electronic device, for detecting current through the electricity storage unit and generating a detecting result when the switching module cuts off the connection between the electricity storage unit and the electronic device;
- an alarm unit, coupled to the detecting unit, for generating an alarm signal according to the detecting result;
- wherein the switching module comprises:
- a current sensing unit comprising a first terminal coupled to the electronic device, a second terminal and a third terminal, for sensing current between the first terminal and the second terminal and outputting a sensing result via the third terminal;
- a control unit, coupled to the third terminal of the current sensing unit, for outputting a control signal according to the sensing result;
- and
- a switch unit, coupled to the second terminal of the current sensing unit, the electricity storage unit, the control unit and the detecting unit, for coupling the electricity storage unit to either the current sensing unit or the detecting unit.
Dependencies are inferred from the claim text.