Battery heating circuits and methods using resonance components in series and bridging charge storage components
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;
a first switch unit including a first terminal and a second terminal;
a second switch unit including a third terminal and a fourth terminal, the third terminal being connected to the second terminal;
a third switch unit including a fifth terminal and a sixth terminal, the fifth terminal being connected to the first terminal;
a fourth switch unit including a seventh terminal and an eighth terminal, the seventh terminal being connected to the sixth terminal, the eighth terminal being connected to the fourth terminal;
a switching control component coupled to the first switch unit, the second switch unit, the third switch unit, and the fourth switch unit; and
a charge storage component connected to the second terminal, the third terminal, the sixth terminal and the seventh terminal;
wherein;
the first damping component and the first current storage component are connected with a combination of the first switch unit, the second switch unit, the third switch unit, the fourth switch unit, and the charge storage component;
the switching control component is configured to turn on and off each of the first switch unit, the second switch unit, the third switch unit, and the fourth switch unit so as to control one or more currents flowing from the battery to the charge storage component and flowing from the 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.
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Accused Products
Abstract
According to certain embodiments, a battery heating circuit is provided, comprising a first switch unit 11, a second switch unit 12, a third switch unit 13, a fourth switch unit 14, a switching control module 100, a damping component R1, a current storage component L1, and a charge storage component C1; the damping component R1 and the current storage component L1 are configured to connect with the battery in series to form a branch; the first switch unit 11 and the second switch unit 12 are connected in series with each other and then connected in parallel with the branch; the third switch unit 13 and the fourth switch unit 14 are connected in series with each other and then connected in parallel with the branch.
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Citations
13 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; a first switch unit including a first terminal and a second terminal; a second switch unit including a third terminal and a fourth terminal, the third terminal being connected to the second terminal; a third switch unit including a fifth terminal and a sixth terminal, the fifth terminal being connected to the first terminal; a fourth switch unit including a seventh terminal and an eighth terminal, the seventh terminal being connected to the sixth terminal, the eighth terminal being connected to the fourth terminal; a switching control component coupled to the first switch unit, the second switch unit, the third switch unit, and the fourth switch unit; and a charge storage component connected to the second terminal, the third terminal, the sixth terminal and the seventh terminal; wherein; the first damping component and the first current storage component are connected with a combination of the first switch unit, the second switch unit, the third switch unit, the fourth switch unit, and the charge storage component; the switching control component is configured to turn on and off each of the first switch unit, the second switch unit, the third switch unit, and the fourth switch unit so as to control one or more currents flowing from the battery to the charge storage component and flowing from the 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. 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; a first switch unit including a first terminal and a second terminal; a second switch unit including a third terminal and a fourth terminal, the third terminal being connected to the second terminal; a third switch unit including a fifth terminal and a sixth terminal, the fifth terminal being connected to the first terminal; a fourth switch unit including a seventh terminal and an eighth terminal, the seventh terminal being connected to the sixth terminal, the eighth terminal being connected to the fourth terminal; a switching control component coupled to the first switch unit, the second switch unit, the third switch unit, and the fourth switch unit; and a charge storage component connected to the second terminal, the third terminal, the sixth terminal and the seventh terminal;
,wherein; the first damping component and the first current storage component are connected in series with a combination of the first switch unit, the second switch unit, the third switch unit, the fourth switch unit, and the charge storage component; the switching control component is configured to turn on and off each of the first switch unit, the second switch unit, the third switch unit, and the fourth switch unit so as to control one or more currents flowing from the battery to the charge storage component and flowing from the 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, wherein; the first damping component is a parasitic resistor of the battery; and the first current storage component is a parasitic inductor of the battery. - View Dependent Claims (13)
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Specification