Examine and repair power box and examine and repair power supply box

The utility model relates to a power equipment technical field aims at improving the poor problem of radiating effect among the prior art, provides an examine and repair power box and examine and repair power supply box. The utility model provides an examine and repair the power box, it includes case body and chamber door. The case body possesses the chamber that holds that is used for holding thecircuit board, and the chamber door is connected with case body movably to the messenger holds the chamber and is in state or the closed state who communicates with the external world. Seted up air intake and air outlet respectively on two curb plates of case body, air intake and air outlet all with hold chamber intercommunication. Because air intake and air outlet are offered respectively on twocurb plates of case body, pass through this internal back of air inlet into boxes when the outside air, is passing very easily and is leaving the case body from the air outlet after holding the chamber, along with the air is