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作者提出了一种不解体检测柴油机燃油喷射系统故障的新方法——使用夹持在高压油管上的传感器对高压油管外壁弹性变形进行检测,并对12150L柴油机用喷油泵在试验台上做了大量的试验。试验表明:高压油管的弹性变形与高压油管内的压力波形状非常相似,并且通过它能检测喷射系统的技术状况、典型故障和异常喷射。
The authors propose a new method to detect diesel engine fuel injection system failure without disassembly - using the sensor held on the high-pressure tubing to detect the elastic deformation of the high-pressure tubing, and test the 12150L diesel injection pump on the test bench Test. The test shows that the elastic deformation of high-pressure tubing is very similar to the shape of the pressure wave in the high-pressure tubing, and it can be used to detect the technical condition of injection system, typical faults and abnormal injection.