Battery heating circuits and methods using transformers
First Claim
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1. A heating circuit for a battery, the heating circuit comprising:
- a switch unit, a switching control module, a first one-way semiconductor component, a first damping component and a transformer, wherein;
the switching control module is electrically connected with the switch unit;
the battery, the first damping component, a first winding of the transformer, and the switch unit are connected in a first loop with each other to constitute a battery discharging circuit; and
the battery, the first damping component, a second winding of the transformer, and the first one-way semiconductor component are connected in a second loop with each other to constitute a battery charging circuit.
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Abstract
Circuit and method for heating a battery. The heating circuit includes a switch unit, a switching control module, a one-way semiconductor component, a damping component and a transformer. The switching control module is electrically connected with the switch unit. The battery, the damping component, a first winding of the transformer, and the switch unit are connected in a first loop with each other to constitute a battery discharging circuit. The battery, the damping component, a second winding of the transformer, and the one-way semiconductor component are connected in a second loop with each other to constitute a battery charging circuit.
74 Citations
11 Claims
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1. A heating circuit for a battery, the heating circuit comprising:
a switch unit, a switching control module, a first one-way semiconductor component, a first damping component and a transformer, wherein; the switching control module is electrically connected with the switch unit; the battery, the first damping component, a first winding of the transformer, and the switch unit are connected in a first loop with each other to constitute a battery discharging circuit; and the battery, the first damping component, a second winding of the transformer, and the first one-way semiconductor component are connected in a second loop with each other to constitute a battery charging circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A heating circuit for a battery, the heating circuit comprising:
a switch unit, a switching control module, a one-way semiconductor component, a damping component and a transformer, wherein; the switching control module is electrically connected with the switch unit; the battery, the damping component, a first winding of the transformer, and the switch unit are connected in a first loop with each other to constitute a battery discharging circuit; the battery, the damping component, a second winding of the transformer, and the one-way semiconductor component are connected in a second loop with each other to constitute a battery charging circuit; and the switching control module controls the switch unit to switch off when a current flowing through the battery reaches a preset value in a positive half cycle, and controls the switch unit to switch on when the current flowing through the battery reaches zero in a negative half cycle.
Specification