4 results about "Cold standby" patented technology

A ground control device redundancy system (1) that controls the operation of a train together with an interlocking device (2) comprises a ground control device (10), a ground control device (20) that constitutes a hot standby dual system together with the ground control device (10), a ground control device (30) that stands by in a cold standby state in which the power is off while the ground control device (10) and the ground control device (20) are operating normally, and a control circuit (40) that performs control to turn on the power supply of the ground control device (30) when the ground control device (10) or the ground control device (20) fails. When the power is turned on, the ground control device (30) takes over information used in the failed ground control device (10) or ground control device (20) and starts operating.

The application discloses a kind of air-cooled modular magnetic suspension refrigeration unit dynamic control systems applied to refrigeration related technical field, the comprehensive health index of each fan is calculated in real time by health assessment module, and according to the index, fan is dynamically divided into high, medium, low performance group and emergency standby group, realize the differentiated scheduling based on individual health state, avoid the overall heat dissipation capability accelerated recession caused by the equal call of healthy fan and recession fan, can also dynamically adjust fan attribution according to health index change, and then realize active delay fan aging process;In addition, the emergency standby group is subdivided into elite emergency subgroup (from high performance group, the best hot standby is selected) and last emergency subgroup (from low performance group, the lowest cold standby is selected), and is matched with regular rotation and emergency reorganization, realizes the hierarchical reserve and precision scheduling of emergency resources, while guaranteeing refrigeration continuous stability, significantly improves the resource utilization rate and reliability of fan array.

This application provides a method and apparatus for thermal management using a cold storage-type mixed liquid temperature control system. The method includes: determining the operating state of a laser anti-drone system, including a laser-emitting strike state and a non-laser-emitting strike state. The laser anti-drone system uses DC power supply, with an input voltage compatible with 200~750V DC. When the operating state is non-laser-emitting strike, cold storage is performed in a cold standby mode, with intermittent constant-temperature cooling of the light source and continuous constant-temperature cooling of the power supply. This maintains the liquid cooling of the main circuit corresponding to the light source in a first temperature range and the liquid cooling of the secondary circuit corresponding to the power supply in a second temperature range. When the operating state is laser-emitting strike, cold storage is stopped in a hot standby mode, and continuous constant-temperature cooling is performed on the light source and power supply. This maintains the coolant in the cooling circuits corresponding to the light source and power supply in a third temperature range. This ensures that the power devices of the system are maintained within a reasonable temperature range, significantly reducing the system's response time when laser strike is required.