Battery management module and battery pack comprising the same
AssigneeSamsung SDI Co., Ltd.
InventorsPyungkap KIM, Hyunsoo KIM
Life of this patent
Estimating the term…
Abstract
A battery management module includes: at least one battery cell; a first relay connected to a first terminal of the at least one battery cell; a second relay connected to a second terminal of the at least one battery cell; and a microcontroller to: receive a first voltage value of a first voltage across both ends of the first relay; receive a second voltage value of a second voltage across both ends of the second relay; and generate first pre-diagnosis data associated with a contact failure of at least one of the first relay or the second relay based on the first voltage value and the second voltage value.
Claims20
A battery management module comprising:
- at least one battery cell;
- a first relay connected to a first terminal of the at least one battery cell;
- a second relay connected to a second terminal of the at least one battery cell;
- and
- a microcontroller configured to:
- receive a first voltage value of a first voltage across both ends of the first relay;
- receive a second voltage value of a second voltage across both ends of the second relay;
- and
- generate first pre-diagnosis data associated with a contact failure of at least one of the first relay or the second relay based on the first voltage value and the second voltage value.
A battery pack comprising:
- a battery management module comprising:
- at least one battery cell;
- a first relay connected to a first terminal of the at least one battery cell;
- a second relay connected to a second terminal of the at least one battery cell;
- a current meter connected to one of the first terminal or the second terminal of the at least one battery cell;
- and
- a microcontroller;
- and
- a battery management master module connected to the microcontroller of the battery management module,
- wherein the microcontroller is configured to:
- receive a first voltage value of a first voltage across both ends of the first relay;
- receive a second voltage value of a second voltage across both terminals of the second relay;
- receive a third voltage value of a third voltage across both ends of the current meter;
- and
- generate pre-diagnosis data associated with at least one of a contact failure of the first relay, a contact failure of the second relay, or an error of the current meter based on the first voltage value, the second voltage value, and the third voltage value, and
- wherein the battery management master module is configured to:
- receive the pre-diagnosis data from the battery management module;
- and
- output a command to control the at least one battery cell based on the pre-diagnosis data.
A battery pack comprising:
- a battery management module comprising:
- at least one battery cell;
- a first relay connected to a first terminal of the at least one battery cell;
- a second relay connected to a second terminal of the at least one battery cell;
- a current meter connected to one of the first terminal or the second terminal of the at least one battery cell;
- and
- a microcontroller;
- and
- a battery management master module connected to the microcontroller of the battery management module,
- wherein the microcontroller is configured to:
- receive a first voltage value of a first voltage across both ends of the first relay;
- receive a second voltage value of a second voltage across both terminals of the second relay;
- receive a third voltage value of a third voltage across both ends of the current meter;
- and
- generate pre-diagnosis data associated with at least one of a contact failure of the first relay, a contact failure of the second relay, or an error of the current meter based on the first voltage value, the second voltage value, and the third voltage value, and
- wherein the battery management master module is configured to:
- receive the pre-diagnosis data from the battery management module;
- and
- output an alarm associated with at least one of the first relay, the second relay, or the current meter based on the pre-diagnosis data.
Dependencies are inferred from the claim text.