INTEGRATED BATTERY SENSOR FOR MULTIPLE BATTERY MODULES
First Claim
Patent Images
1. An automotive battery system, comprising:
- a lead acid battery module configured to couple to an electrical system;
a lithium ion battery module coupled in parallel with the lead acid battery module;
a first terminal of the lithium ion battery corresponding to a positive voltage;
a second terminal and a third terminal of the lithium ion battery corresponding to a first negative voltage;
a resistor coupled to the second terminal and the third terminal, wherein the second terminal is coupled to a fourth terminal of the lead acid battery module, and wherein the fourth terminal corresponds to a second negative voltage; and
a control system disposed within the lithium ion battery module, wherein the control system is configured to receive a voltage signal associated with the resistor, and wherein the voltage signal is associated with a voltage of the lead acid battery module.
4 Assignments
0 Petitions
Accused Products
Abstract
The present disclosure includes a method that includes receiving, via a processor disposed within a lithium ion battery module, a voltage signal associated with a resistor coupled to a negative terminal of the lithium ion battery module. The negative terminal of the lithium ion battery module is coupled to a negative terminal of a lead acid battery module. The method also includes determining, via the processor, one or more properties associated with the lead acid battery module based on the voltage signal.
-
Citations
20 Claims
-
1. An automotive battery system, comprising:
-
a lead acid battery module configured to couple to an electrical system; a lithium ion battery module coupled in parallel with the lead acid battery module; a first terminal of the lithium ion battery corresponding to a positive voltage; a second terminal and a third terminal of the lithium ion battery corresponding to a first negative voltage; a resistor coupled to the second terminal and the third terminal, wherein the second terminal is coupled to a fourth terminal of the lead acid battery module, and wherein the fourth terminal corresponds to a second negative voltage; and a control system disposed within the lithium ion battery module, wherein the control system is configured to receive a voltage signal associated with the resistor, and wherein the voltage signal is associated with a voltage of the lead acid battery module. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. A method, comprising:
-
receiving, via a processor disposed within a lithium ion battery module, a voltage signal associated with a resistor coupled to a negative terminal of the lithium battery module, wherein the negative terminal of the lithium ion battery module is coupled to a negative terminal of a lead acid battery module; determining, via the processor, one or more properties associated with the lead acid battery module based on the voltage signal. - View Dependent Claims (11, 12, 13, 14)
-
-
15. A battery module for use in a vehicle, comprising:
-
a housing; a first terminal, a second terminal, and a third terminal, wherein the first terminal and the second terminal are associated with a same polarity; a plurality of battery cells; a first resistor coupled to the plurality of battery cells and the first terminal; a second resistor coupled to the first resistor and to the second terminal, wherein the second terminal is configured to couple to a fourth terminal of a separate battery module; and a control system configured to; receive a first voltage signal associated with the first resistor and a second voltage signal associated with the second resistor; and determine a first set of properties associated with the separate battery module based on the second voltage signal. - View Dependent Claims (16, 17, 18, 19, 20)
-
Specification