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发明公开
CN104176007A 油箱燃油异常变化监测方法和监测系统 无效 - 驳回

油箱燃油异常变化监测方法和监测系统
摘要：
本发明提供一种油箱燃油异常变化监测系统，包括用于盛放燃油的油箱，所述油箱上设有一检测仪壳体，所述检测仪壳体的内腔与所述油箱的内腔连通，所述检测仪壳体内设有二氧化碳分压测定仪，所述检测仪壳体上还设有一进气孔，所述进气孔通过气管与二氧化碳生成装置连接。该监测系统通过在油箱内注入二氧化碳来检测油箱内燃油的变化，当油箱内燃油减少时，二氧化碳在油箱内的分压值会下降，这样只需通过油箱内二氧化碳分压值的变化快慢就可判断油箱内的燃油是否发生异常情况（如燃油被盗或者泄露），在油箱内注入二氧化碳还可使油箱与外界绝缘，在一定程度上能防止油箱起火，避免发生事故。
摘要（英）：

The invention provides a system for monitoring an abnormal change of fuel oil in a fuel oil tank. The system comprises the fuel oil tank for containing the fuel oil, wherein a detector shell is arranged on the fuel oil tank; an inner cavity of the detector shell is communicated with an inner cavity of the fuel oil tank; a carbon dioxide partial pressure measurer is arranged in the detector shell; a gas inlet hole is also formed in the detector shell and is connected with a carbon dioxide generation device through a gas pipe. According to the monitoring system, the change of the fuel oil in the fuel oil tank is detected by injecting carbon dioxide into the fuel oil tank; when the fuel oil in the fuel oil tank is reduced, a partial pressure value of the carbon dioxide in the fuel oil tank is reduced, so that abnormity (for example the fuel oil is stolen or leaks out) of the fuel oil in the fuel oil tank can be judged only according to the change rate of the partial pressure value of the carbon dioxide in the fuel oil tank; the fuel oil tank can be insulated from the outside by injecting the carbon dioxide into the fuel oil tank, so that firing of the fuel oil tank can be prevented to a certain extent, and an accident can be avoided.

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