Patent ID: 11959705
Assignee: ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A heat exchanger, comprising a plurality of heat exchange assemblies (10) and a fin (20), the fin (20) is located between two adjacent heat exchange assemblies (10) of the plurality of heat exchange assemblies (10), wherein each of the plurality of heat exchange assemblies (10) comprises a first channel (11) and a second channel (12) which are used for allowing a refrigerant to pass through, and a communication portion communicated with the first channel (11) and the second channel (12), a plurality of protrusions (40) being provided on the first channel (11), the second channel (12) and the communication portion, and a density of protrusions on the first channel (11) and a density of protrusions on the second channel (12) are greater than a density of protrusions on the communication portion, and a size of each of the protrusions on the first channel (11) is smaller than or equal to a size of each of the protrusions on the communication portion, and a size of each of the protrusions on the second channel (12) is smaller than or equal to the size of each of the protrusions on the communication portion.