Balance circuit and method for battery pack
A technology for equalizing circuits and battery packs, applied in battery circuit devices, circuit devices, collectors, etc., can solve problems such as large loss, complex heat management, and low equalization efficiency, and achieve high equalization efficiency, simple implementation, and balanced capacity Effect
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[0036] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0037] The principle block diagram of the present invention is as figure 1 As shown, the balancing circuit of the battery pack includes: a battery pack 1, a battery management unit 2, a controllable bidirectional switch array module 3, and an energy transfer module 4; the energy transfer module 4 includes a charging unit 41, a discharging unit 42, and a supercapacitor module 43 , the charging unit 41 is connected with the supercapacitor module 43 to form the charging circuit of the supercapacitor module 43, and the discharge unit 42 is connected with the supercapacitor module 43 to form the dischar...
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