Battery operating apparatus, auxiliary battery unit and battery control method
First Claim
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1. A battery operating apparatus comprising:
- a master battery manager (BM);
a fixed battery unit configured to supply a fixed power to a load, the fixed power remaining unchanged over time; and
a removable auxiliary battery unit configured to supply a variable power to the load, the variable power varying over time,wherein the master BM is configured to control the fixed battery unit to supply the fixed power among a power needed by the load, and to control the auxiliary battery unit to supply the variable power among the power needed by the load, andwherein the master BM is further configured to control the fixed battery unit to supply the fixed power and the variable power to the load, in response to the removable auxiliary battery unit being absent.
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Abstract
A battery operating apparatus, an auxiliary battery unit, and a battery control method are provided. The battery operating apparatus includes a master battery manager (BM), a fixed battery unit configured to supply a fixed power to a load, the fixed power remaining unchanged over time, and a removable auxiliary battery unit configured to supply a variable power to the load, the variable power varying over time, wherein the master BM is configured to control the fixed battery unit to supply the fixed power among a power needed by the load, and to control the auxiliary battery unit to supply the variable power among the power needed by the load.
9 Citations
19 Claims
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1. A battery operating apparatus comprising:
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a master battery manager (BM); a fixed battery unit configured to supply a fixed power to a load, the fixed power remaining unchanged over time; and a removable auxiliary battery unit configured to supply a variable power to the load, the variable power varying over time, wherein the master BM is configured to control the fixed battery unit to supply the fixed power among a power needed by the load, and to control the auxiliary battery unit to supply the variable power among the power needed by the load, and wherein the master BM is further configured to control the fixed battery unit to supply the fixed power and the variable power to the load, in response to the removable auxiliary battery unit being absent.
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2. A battery operating apparatus comprising:
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a master battery manager (BM); a fixed battery unit configured to supply a fixed power to a load, the fixed power remaining unchanged over time; and a removable auxiliary battery unit configured to supply a variable power to the load, the variable power varying over time, wherein the master BM is configured to control the fixed battery unit to supply the fixed power among a power needed by the load, and to control the auxiliary battery unit to supply the variable power among the power needed by the load, wherein the load comprises a motor of an electric vehicle (EV), and wherein the master BM is further configured to; control the auxiliary battery unit to discharge a power used to accelerate the EV, control the auxiliary battery unit to perform charging with a power generated by decelerating the EV, and control the fixed battery unit to discharge a power at a c-rate disregarding the accelerating and the decelerating of the EV. - View Dependent Claims (3)
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4. A battery operating apparatus comprising:
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a master battery manager (BM); a fixed battery unit configured to supply a fixed power to a load, the fixed power remaining unchanged over time; and a removable auxiliary battery unit configured to supply a variable power to the load, the variable power varying over time, wherein the master BM is configured to control the fixed battery unit to supply the fixed power among a power needed by the load, and to control the auxiliary battery unit to supply the variable power among the power needed by the load, wherein the auxiliary battery unit comprises; a slave BM; a direct current (DC)-to-DC (DC/DC) converter; a DC-to-alternating current (AC) (DC/AC) inverter; and a battery module, and wherein in response to the master BM determining that the removable auxiliary battery unit is included in an electric vehicle (EV), the slave BM is connected to the master BM and the DC/DC converter, the DC/DC converter is connected to the battery module and the load, and the slave BM is configured to control the DC/DC converter to supply a power output from the battery module to the load. - View Dependent Claims (5, 6, 7, 8)
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9. A battery operating apparatus comprising:
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a master battery manager (BM); a fixed battery unit configured to supply a fixed power to a load, the fixed power remaining unchanged over time; and a removable auxiliary battery unit configured to supply a variable power to the load, the variable power varying over time, wherein the master BM is configured to control the fixed battery unit to supply the fixed power among a power needed by the load, and to control the auxiliary battery unit to supply the variable power among the power needed by the load, and wherein in response to the master BM determining that the removable auxiliary battery unit is included in an electric vehicle (EV), the removable auxiliary battery unit is further configured to supply a power to a heating apparatus configured to maintain a temperature of the fixed battery unit to be higher than or equal to a threshold.
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10. A removable auxiliary battery unit comprising:
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a slave battery management system (BM); a direct current (DC)-to-DC (DC/DC) converter; a DC-to-alternating current (AC) (DC/AC) inverter; and a battery module, and wherein in response to the auxiliary battery unit being included in an electric vehicle (EV), the slave BM is connected to the DC/DC converter and a master BM of a battery operating apparatus of the EV, the DC/DC converter is connected to the battery module and a load of the EV, and the slave BM is configured to control the DC/DC converter to supply a variable power to the load, the variable varying over time. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A battery control method comprising:
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determining whether a removable auxiliary battery unit is included in an electric vehicle (EV); controlling a fixed battery unit to supply a fixed power to a load, the fixed power remaining unchanged over time among a power needed by the load; controlling the auxiliary battery unit to supply a variable power to the load, the variable power varying over time among the power needed by the load, in response to the removable auxiliary battery unit being included in the EV; and controlling the fixed battery unit to supply the fixed power and the variable power to the load, in response to the removable auxiliary battery unit not being included in the EV. - View Dependent Claims (19)
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Specification