Ontrack passive elastic heat refrigerating system, method and device

The invention belongs to the technical field of refrigerators, and refrigerating equipment or systems, and discloses an ontrack passive elastic heat refrigerating system, method and device. The ontrack passive elastic heat refrigerating device comprises a first shape memory alloy (SMA), a first superelasticity SMA, a second superelasticity SMA, a second SMA, first sliding bearings, second slidingbearings, a heat sink, a heat source, a first valve, a second valve, a third valve, a fourth valve and a shell; the first SMA, the first superelasticity SMA, the second superelasticity SMA and the second SMA are placed in the shell, and the first sliding bearings and the second sliding bearings are arranged on the two sides of the first superelasticity SMA and the second superelasticity SMA; the heat sink communicates with the second superelasticity SMA through the third valve and the fourth valve; and the heat source communicates with the first superelasticity SMA through the first valve andthe second valve. 本发明属于制冷机