| 摘要 |
Provided are a heat exchanger and an air conditioning device with which it is possible to minimize eccentric flow of a refrigerant, even in cases of use under conditions in which the circulation rate varies. A plurality of flat perforated tubes (21b) are connected at different heights to a first internal space (23a) of a doubled-back header collecting tube (23) of an outdoor heat exchanger (20). In the first internal space (23a) there is adopted a loop structure including a first partition plate (51), first inflow ports (41x), a first upper communicating passage (51x), and a first lower communicating passage (51y). The first partition plate (51) partitions the first internal space (23a) into a first outflow space (51a) and a first loop space (51b). The first inflow ports (41x) are disposed at the bottom of the first outflow space (51 a), so as to cause the refrigerant to ascend within the first outflow space (51 a). Refrigerant that has reached the top end of the first outflow space (51 a) is guided into the first loop space (51b) via the first upper communicating passage (51x), and refrigerant having descended through the first loop space (51b) is returned to the first outflow space (51 a) via the first lower communicating passage (51y), in a direction other than a vertical direction. |
