Battery management system having capability for addressing and time-division communication
AssigneeCyber Power Systems, Inc.
InventorsHung-Ming Hsieh, Yung-Hao Peng, Ta-Peng Chen
Life of this patent
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Abstract
A battery management system having capability for addressing and time-division communication, the battery management system comprises a controller and a plurality of sensors, the sensors can communicatively connect to the controller; wherein each sensor has a communication port, the controller can transmit a plurality of addressing commands to address each of the sensors, each of the sensors can control the communication period of each communication port in accordance with its received addressing command, therefore the sensors and the controller can execute the time-division communication.
Claims18
A battery management system having capability for addressing and time-division communication, the battery management system comprising:
- a controller (10) having a time-division counter (T) and a communication port (P), the time-division counter (T) is used to provide for time counting of the controller (10);
- a plurality of sensors (S1-Sn), the sensor (S1) has a processor (M1), a battery detection circuit (D1), a communication port (P1) and a button (B1);
- the sensor (S2) has a processor (M2), a battery detection circuit (D2), a communication port (P2) and a button (B2);
- the sensor (Sn) has a processor (Mn), a battery detection circuit (Dn), a communication port (Pn) and a button (Bn);
- a communication cable assembly (W), the communication cable assembly (W) can string connect with the communication ports (P-Pn), therefore communicatively connect the controller (10) and the plural sensors (S1-Sn);
- and
- a plurality of addressing command (C1-Cn);
- when the controller (10) transmits the addressing command (C1), and the button (B1) is pressed, the processor (M1) will open the communication port (P1) to receive the addressing command (C1) to address the sensor (S1), therefore the processor (M1) can control a communication period of the communication port (P1) in accordance with the addressing command (C1);
- when the controller (10) transmits the addressing command (C2), and the button (B2) is pressed, the processor (M2) will open the communication port (P2) to receive the addressing command (C2) to address the sensor (S2), therefore the processor (M2) can control a communication period of the communication port (P2) in accordance with the addressing command (C2);
- when the controller (10) transmits the addressing command (Cn), the button (Bn) is pressed, the processor (Mn) will open the communication port (Pn) to receive the addressing command (Cn) to address the sensor (Sn), therefore the processor (Mn) can control a communication period of the communication port (Pn) in accordance with the addressing command (Cn);
- wherein the sensor (S1) and the controller (10) can execute the time-division communication in accordance with the communication period of the communication port (P1);
- the sensor (S2) and the controller (10) can execute the time-division communication in accordance with the communication period of the communication port (P2);
- the sensor (Sn) and the controller (10) can execute the time-division communication in accordance with the communication period of the communication port (Pn).
A battery management system having capability for addressing and time-division communication, the battery management system comprising:
- a controller (10) having a time-division counter (T) and a communication port (P), the time-division counter (T) is used to provide for time counting of the controller (10);
- a plurality of sensors (S1-Sn), the sensor (S1) has a processor (M1), a string voltage measuring circuit (V1) and a communication port (P1);
- the sensor (S2) has a processor (M2), a string voltage measuring circuit (V2) and a communication port (P2);
- the sensor (Sn) has a processor (Mn), a string voltage measuring circuit (Vn) and a communication port (Pn);
- a communication cable assembly (W), the communication cable assembly (W) can string connect with the communication ports (P-Pn), therefore communicatively connect the controller (10) and the plural sensors (S1-Sn);
- and
- a plurality of addressing command (C1-Cn) transmitted from the controller (10);
- wherein the processor (M1) can open the communication port (P1) to receive the addressing command (C1), if the string voltage measured by the string voltage measuring circuit (V1) is smaller than the voltage value of the addressing command (C1), the processor (M1) will accept addressing, and the processor (M1) will control the communication period of the communication port (P1) in accordance with the addressing command (C1);
- the processor (M2) can open the communication port (P2) to receive the addressing command (C2), if the string voltage measured by the string voltage measuring circuit (V2) is smaller than the voltage value of the addressing command (C2), the processor (M2) will accept addressing, and the processor (M2) will control the communication period of the communication port (P2) in accordance with the addressing command (C2);
- the processor (Mn) can open the communication port (Pn) to receive the addressing command (Cn), if the string voltage measured by the string voltage measuring circuit (Vn) is smaller than the voltage value of the addressing command (Cn), the processor (Mn) will accept addressing, and the processor (Mn) will control the communication period of the communication port (Pn) in accordance with the addressing command (Cn);
- wherein the sensor (S1) and the controller (10) can execute the time-division communication in accordance with the communication period of the communication port (P1), the sensor (S2) and the controller (10) can execute the time-division communication in accordance with the communication period of the communication port (P2);
- the sensor (Sn) and the controller (10) can execute the time-division communication in accordance with the communication period of the communication port (Pn).
Dependencies are inferred from the claim text.