Frequency conversion BOG compression device based on LORA network wireless control

• Main Authors: HAN RONGXIN, LI JINGLONG, LIU YANG, GAO QINGNA
• Format: Patent
• Language: Chinese; English
• Published: 23.08.2022
• Subjects: BLASTING; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; HEATING; LIGHTING; MECHANICAL ENGINEERING; STORING OF DISTRIBUTING GASES OR LIQUIDS; VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES; WEAPONS

The utility model discloses a frequency conversion BOG (boil-off gas) compression device based on LORA network wireless control, which is used for controlling the pressure of an LNG (liquefied natural gas) storage tank and comprises a BOG compressor main body and an LORA gateway, and the LORA gateway is connected with the BOG compressor main body through an electric wire and an LORA network; the system comprises a plurality of BOG compressor main bodies, the plurality of BOG compressor main bodies are connected with an LNG storage tank, a pressure sensor is arranged in the LNG storage tank, and the pressure sensor is electrically connected with an LORA gateway; each BOG compressor main body comprises a BOG compressor, a driving motor, a frequency converter and a controller, the input end of the controller is connected with the LORA gateway, the output end of the controller is connected with the input end of the frequency converter, the output end of the frequency converter is connected with the input end of t