Diaphragm compressor's pressure adjustment assembly

The utility model discloses a diaphragm compressor's pressure adjustment assembly, a serial communication port, diaphragm compressor's export and entry constitute the return circuit through the pipeline intercommunication, wherein diaphragm compressor's entry is set up an admission valve, diaphragm compressor's export is set up a discharge valve, wherein pressure adjustment assembly includes a ratio adjusting valve, ratio adjusting valve set up in in the pipeline structure between diaphragm compressor entry and the export, with a pressure transmitter, pressure transmitter set up in diaphragm compressor exports the pipeline. 本实用新型公开了种隔膜压缩机的压力调节装置，其特征在于，所述隔膜压缩机的出口与入口通过管路连通构成回路，其中所述隔膜压缩机的入口被设置进气阀，所述隔膜压缩机的出口被设置排气阀，其中所述压力调节装置包括比例调节阀，所述比例调节阀被设置于所述隔膜压缩机入口和出口之间的管路结构中；和压力变送器，所述压力变送器被设置于所述隔膜压缩机出口管路。