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目前,在用汽车的油耗不解体检测缺少技术手段,汽车油耗测量大多是采用串接燃油流量计形式,此方法需要拆卸发动机供油管路,费时、费力甚至还会造成供油管路的破坏。而碳平衡法油耗检测技术无需拆卸发动机供油管路,不必改变燃油供给,且对具有回流的燃油供给系统的电喷汽油机、高压共轨柴油机也很适用。本文基于碳平衡原理搭建不同的油耗检测系统,进行了样机开发和试验工作,在此基础上对不同油耗检测系统进行技术比对,并将比对结果进行了分析和总结。
At present, the lack of technical means to detect the consumption of fuel consumption in vehicles, the majority of automotive fuel consumption measurement using tandem fuel flow meter form, this method requires disassembly of the engine oil supply pipeline, time-consuming, laborious and may even lead to the destruction of the fuel supply pipeline . The carbon balance method fuel consumption detection technology without having to disassemble the engine oil supply pipe, do not have to change the fuel supply, and the return of the fuel supply system EFI gasoline engine, high pressure common rail diesel engine is also very applicable. Based on the principle of carbon balance, this paper builds a different fuel consumption detection system, and develops and tests the prototype. Based on this, the technical comparison of different fuel consumption detection systems is carried out, and the comparison results are analyzed and summarized.