Sulfur hexafluoride high pressure electrical equipment without heating for cold area

The invention relates to sulfur hexafluoride high pressure electrical equipment, in particular to sulfur hexafluoride high pressure electrical equipment without heating for a cold area. The sulfur hexafluoride high pressure electrical equipment without heating for the cold area comprises a high pressure equipment body, a sulfur hexafluoride gas chamber and a density relay are arranged inside the sulfur hexafluoride body, sulfur hexafluoride gas is filled into the sulfur hexafluoride gas chamber, and the high pressure electrical equipment further comprises a device used for preventing the sulfur hexafluoride gas from liquefying, the device used for preventing the sulfur hexafluoride gas from liquefying comprises an air storage tank, a heat insulating layer and a connecting pipe, one end of the connecting pipe is connected with an air supply port or a special purpose connecting port of the high pressure electrical equipment in a sealing mode, the other end of the connecting pipe is connected with the air storag