Constant current output device

The constant current output device comprises a BOOST PFC (Power Factor Correction) circuit, a half-bridge inverter circuit, an output filter circuit, a multi-endpoint output transformer, a multi-path output auxiliary power supply and a DSP (Digital Signal Processor) digital control module which are in circuit connection in sequence, the BOOST PFC circuit is used for converting alternating current into direct current; the multi-path output auxiliary power supply is used for providing a working power supply for the DSP digital control module; the half-bridge inverter circuit is used for converting direct current into sine alternating current; the output filter circuit is used for removing clutters of the sine alternating current; the multi-endpoint output transformer is used for converting the sine alternating current into standard sine alternating current; the DSP digital control module is used for controlling the output of the half-bridge inverter circuit according to the control instruction output by the hal