Cell equalization apparatus possessing heating function
A technology of battery equalization and heating resistors, which is applied to battery circuit devices, circuit devices, charge equalization circuits, etc., can solve the problems of low charging efficiency of the battery system and affect the service life of the battery system, and achieve high power, small temperature rise, and balanced high efficiency effect
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[0019] The present invention will be described in detail below with reference to the drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention, and not to limit the present invention.
[0020] The following takes a battery pack composed of 5 battery modules as an example to describe the present invention in detail.
[0021] Such as figure 1 The battery balancing device with heating function shown includes 5 independent battery module balancing circuits corresponding to 5 battery modules (B1, B2, B3, B4, B5), and each battery module balancing circuit is connected in series with 1 balancing circuit Control switches (Q1, Q2, Q3, Q4, Q5) and 1 equalization resistor (R1, R2, R3, R4, R5), the equalization control switch is a MOSFET switch tube, and the grid G of the MOSFET switch tube is connected to the battery system Thermal management control circuit.
[0022] Such as figure 2 As shown, the equaliz...
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