Battery heating circuits and methods based on battery discharging and charging using resonance components in series
First Claim
1. A circuit for heating a battery, the circuit comprising:
- the battery including a first damping component and a first current storage component, the first damping component and the first current storage component being parasitic to the battery, the battery including a first battery terminal and a second battery terminal;
a switch unit;
a switching control component coupled to the switch unit; and
a first charge storage component, the first charge storage component and the first current storage component being at least parts of an energy storage circuit;
wherein;
the first damping component, the first current storage component, the switch unit, and the first charge storage component are connected to form at least a part of a loop; and
the switching control component is configured to turn on the switch unit so as to allow a first current to flow from the battery to the first charge storage component and a second current to flow from the first charge storage component to the battery and to turn off the switch unit so as to stop the first and second currents;
wherein the circuit for heating the battery is configured to heat the battery by at least discharging and charging the battery.
3 Assignments
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Accused Products
Abstract
Under one aspect, a circuit for heating a battery includes the battery including a parasitic damping component and a parasitic current storage component, a switch unit, a switching control component coupled to the switch unit, and a charge storage component. The charge storage and current storage components are at least parts of an energy storage circuit. The damping component, the current storage component, the switch unit, and the charge storage component are connected to form at least a part of a loop. The switching control component is configured to turn on and off the switch unit so as to control a current flowing from the battery to the charge storage component and flowing from the charge storage component to the battery. The circuit for heating the battery is configured to heat the battery by at least discharging and charging the battery.
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Citations
39 Claims
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1. A circuit for heating a battery, the circuit comprising:
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the battery including a first damping component and a first current storage component, the first damping component and the first current storage component being parasitic to the battery, the battery including a first battery terminal and a second battery terminal; a switch unit; a switching control component coupled to the switch unit; and a first charge storage component, the first charge storage component and the first current storage component being at least parts of an energy storage circuit; wherein; the first damping component, the first current storage component, the switch unit, and the first charge storage component are connected to form at least a part of a loop; and the switching control component is configured to turn on the switch unit so as to allow a first current to flow from the battery to the first charge storage component and a second current to flow from the first charge storage component to the battery and to turn off the switch unit so as to stop the first and second currents; wherein the circuit for heating the battery is configured to heat the battery by at least discharging and charging the battery. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 36, 37, 38, 39)
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35. A circuit for heating a battery, the circuit comprising:
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the battery including a first damping component and a first current storage component, the first damping component and the first current storage component being parasitic to the battery, the battery including a first battery terminal and a second battery terminal; a switch unit; a switching control component coupled to the switch unit; and a first charge storage component, the first charge storage component and the first current storage component being at least parts of an energy storage circuit; wherein; the first damping component, the first current storage component, the switch unit, and the first charge storage component are connected to form at least a part of a loop; and the switching control component is configured to turn on and off the switch unit so as to control a current flowing from the battery to the first charge storage component and flowing from the first charge storage component to the battery; wherein the circuit for heating the battery is configured to heat the battery by at least discharging and charging the battery, and further comprising an energy transfer and superposition unit coupled to the first charge storage component and configured to, after the switch unit is turned on and then turned off, transfer first energy from the first charge storage component to an energy storage component and then adjust a storage voltage associated with the first charge storage component so that a positive voltage terminal of the first charge storage component is coupled, directly or indirectly, to a negative voltage terminal of the battery, and further comprising an energy consumption unit coupled to the first charge storage component and configured to consume second energy stored in the first charge storage component after the switch unit is turned on and then turned off, wherein the energy consumption unit includes a voltage control unit configured to regulate the storage voltage associated with the first charge storage component to a predetermined voltage after the switch unit is turned on and then turned off.
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Specification