Battery test equipment output port overvoltage protection circuit
A technology of overvoltage protection circuit and output port, which is applied in the direction of emergency protection circuit device, protection that responds to overvoltage, circuit device, etc., and can solve problems such as battery or equipment damage, serious fire, etc.
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[0016] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, so as to facilitate a clear understanding of the present invention, but they do not limit the present invention.
[0017] like figure 1 As shown in the figure, the present invention provides an output port overvoltage protection circuit of a battery test equipment, which is used to avoid the problem of circuit and battery damage or even safety accidents caused by overvoltage at the output port. 3. The battery 4, the host computer 5, the drive circuit 6, the overvoltage detection circuit 7 and the logic circuit 8 are composed.
[0018] In this embodiment, the power conversion circuit 1 provides power supply for the battery, for example, the external battery 4 can be charged and discharged with constant current, constant voltage, constant current and voltage, and constant power. The shutdown and the above-mentioned charging and dischargi...
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