DC110V changes DC24V power

The utility model discloses a DC110V changes DC24V power, include the power casing and locate electric source plate in the power casing, electricity source plate includes input, connecting plate, maincircuit board, first control board, second control panel, output and output relay, the power casing includes the shell body and covers to be located apron on the shell body, a plurality of salient cover plate surface's rectangular strip has on the apron, and it is a plurality of the rectangular strip parallel is arranged, form a rectangle recess between the two adjacent rectangular strips, be equipped with the ventilation hole on the lateral wall of rectangle recess, the ventilation hole is access to the apron is inboard. Compared with the prior art, the utility model provides a pair of DC110V changes DC24V power, it makes switching power supply hold the intracavity and also can cool down rapidly less, has guaranteed its normal work, and can prolong switching power supply's life. 本实用新型公开种DC110V转DC24V电源，包括电源壳体和设于所