Cryopump, cryopump control system and cryopump control method

A cryopump, including:

• a pump housing;
• a radiation shield, arranged in the pump housing, and configured that a holding space is formed inside the radiation shield, a first through hole is arranged on the radiation shield, and the first through hole is connected with the holding space;
• a first-stage cold storage component, arranged in the pump housing;
• a second-stage cold storage component, arranged in the holding space, and configured that one end of the second-stage cold storage component extends from the first through hole and connects the first-stage cold storage component;
• a connector, configured that one end of the connector is connected with the first-stage cold storage component, and other end is connected with the radiation shield;
• and
• a cryopanel assembly, set in the holding space and connected to the second-stage cold storage component.