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发明公开
CN104596931A 一种多通道六氟化硫绝缘电气设备在线监测装置及方法 有权 转让

一种多通道六氟化硫绝缘电气设备在线监测装置及方法
摘要：
本发明公开一种多通道六氟化硫绝缘电气设备在线监测装置及方法，通过设置共用的SF6纯度检测室、共用回气通道、三个独立的SO2检测室等部件实现了SF6绝缘电气设备分解产物的在线检测，保证了检测准确度，避免了不同设备间的混气，提高了系统的可靠行，降低了成本，提高了系统的复用性，采用了循环气路设计方式，将检测完后的样气送回到SF6绝缘电气设备本体中，减少了气体的损耗和对大气的污染。另外，通过在取样检测气路中配置的压力传感器，能够根据压力值的变化，实现本发明取样检测气路中电磁阀状态的自诊断，提高了本发明的可靠性。
摘要（英）：

The invention discloses a multichannel sulfur hexafluoride insulating electric equipment online monitoring device and method. Through setting a common SF6 purity detection room, a common gas return channel and three independent SO2 detection rooms, the online detection of SF6 insulating electric equipment decomposition products is realized, the detection correctness is ensured, the gas mixing among different equipment is avoided, the reliability of the system is improved, the cost is reduced and the reusability of the system; a recycle gas circuit design manner is adopted, the detected sample gas is sent back to the SF6 insulating electric equipment so that the gas loss and the pollution to the air are decreased. Moreover, through a pressure sensor in a sampling and detection gas circuit, the self-diagnosis of the state of an electromagnetic valve in the sampling and detection gas circuit can be realized according to the change of pressure value, so that the reliability of the multichannel sulfur hexafluoride insulating electric equipment online monitoring device is improved.

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