Control system heat fatigue test

The utility model provides a control system used for heat fatigue tests, which is mainly composed of a motor rising circuit, a holding time circuit, a motor falling circuit, a cooling time circuit, a sliding door control circuit, a cycle counting circuit and other circuits, wherein the contact point of a time relay of the motor rising circuit is arranged in the holding time circuit and an electromagnet relay power supplying circuit for closing a sliding door; the contact point of a time relay in the holding time circuit is arranged in the motor falling circuit and an electromagnet relay power supplying circuit for opening the sliding door; the contact point of a time relay in the motor falling circuit is arranged in the cooling time circuit; the contact point of a time relay in the cooling time circuit is arranged in the motor rising circuit and the counting circuit; the contact point of a counter is arranged in a main circuit. The utility model has the advantages that the heat fatigue test can accomplish full automation, flexible operation and accurate and reliable positioning so as to attain normalized test results, and the utility model has the advantages of flexible operation and accurate and reliable position.