Parallel democratic bus uniform flow constant current method and its device
A technology of constant current method and bus bar, which is applied in the direction of constant current power supply DC circuit, etc., can solve the problems of inability to share current and parallel structure reliability, low reliability, etc., and achieve the effect of good constant current and improved utilization rate
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[0021] Such as figure 1 As shown, it is a structural principle block diagram of the present invention. The device of the present invention includes a parallel current sharing module for evenly distributing the current of each branch circuit for the input total constant current, a constant current control module for implementing a constant current for the total current, and a For the shunt that obtains the sampling signal for the total constant current output, each current sharing module is mainly equipped with a current sampling amplifier circuit, a current limiting resistor and a voltage comparison suppression circuit. The voltage signal is connected to the average voltage signal formed on the current sharing bus through the current limiting resistor, the average voltage signal and the output voltage signal of the sampling amplifier circuit are connected to the voltage comparison suppression circuit, and the output control branch of the voltag...
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