The utility model discloses a water circulation heating system, which comprises a fuel heater, an outlet valve, a water inlet joint of the cylinder head, a cylinder head, a thermostat, a water pump, an oil cooler, a cylinder block, a water outlet joint of the cylinder block and a water inlet valve; a fuel heater is connected to a water inlet joint of the cylinder head through an outlet water valve, and the water inlet joint of the cylinder head and the cylinder head are connected with the water inlet joint of the cylinder The water jacket in the cover is connected; one end of the thermostat is fixed on the cylinder head and connected with the water jacket of the cylinder head; the other end of the thermostat is connected with the water inlet of the pump; the water outlet of the pump is connected with the oil cooler; the oil cooler is connected with the cooling channel of the cylinder body; the cooling channel of the cylinder head is connected with the water inlet of the pump; and the water inlet of the pump is connected with the oil cooler. The cooling passage of the cylinder block is connected, and the water outlet joint of the cylinder block is connected with the connecting pipeline between the oil cooler and the cylinder block, and the water outlet joint of the cylinder block is also connected with the fuel heater through the water inlet valve. The water circulation heating system of the utility model can improve the heating uniformity of the cylinder block and the thermal efficiency of the heating system.
【技术实现步骤摘要】
水循环加热系统
本技术属于柴油机设计的
,特别涉及一种水循环加热系统。
技术介绍
低温冷启动困难是所有商用车柴油机遇到的环境适应性难题,采用燃油加热器辅助预热是解决低温冷启动难题的主要方法之一,但是如果加热冷却液的水循环路线设置不合理就会造成柴油机缸体加热不均匀、加热系统热效率低,不能有效提高柴油机机体温度,最终导致柴油机冷启动困难,影响整车的低温使用性能。
技术实现思路
本技术目的是提供一种水循环加热系统,其采用特殊的加热水循环路线,可均匀加热缸体、缸盖,提高加热系统热效率,快速提高柴油机机体温度,彻底解决柴油机冷启动难题。本技术解决技术问题采用如下技术方案:一种水循环加热系统,其包括燃油加热器、出水阀、缸盖进水接头、缸盖、调温器、水泵、机油冷却器、缸体、缸体出水接头和进水阀;所述燃油加热器用于加热冷却液,所述燃油加热器通过出水阀门连接于缸盖进水接头,所述缸盖进水接头通过螺纹连接到缸盖上,并与缸盖内的水套连通;所述调温器的一端固定于缸盖上,并且与缸盖的水套连通,所述调温器的另一端连接水泵的进水口,所述水泵的出水口连接机油冷却器,所述机油冷却器与所述缸体的冷却流道连通,所述缸盖的冷却流道与所述缸体的冷却流道连通,所述缸体出水接头连接于所述机油冷却器与所述缸体之间的连接管路;所述缸体出水接头还通过进水阀连接于燃油加热器。本技术具有如下有益效果:本技术的水循环加热系统,能够提高缸体加热均匀性(缸体不同位置温差降低10℃以上),提高加热系统热效率(加热结束温度提高8℃以上),提高柴油机冷启动转速8%以上,冷启动时间缩短30%以上,冷启动最低温度降低3~5℃。附图说 ...
【技术保护点】
1.一种水循环加热系统,其特征在于,包括燃油加热器、出水阀、缸盖进水接头、缸盖、调温器、水泵、机油冷却器、缸体、缸体出水接头和进水阀;所述燃油加热器用于加热冷却液,所述燃油加热器通过出水阀门连接于缸盖进水接头,所述缸盖进水接头通过螺纹连接到缸盖上,并与缸盖内的水套连通;所述调温器的一端固定于缸盖上,并且与缸盖的水套连通,所述调温器的另一端连接水泵的进水口,所述水泵的出水口连接机油冷却器,所述机油冷却器与所述缸体的冷却流道连通,所述缸盖的冷却流道与所述缸体的冷却流道连通,所述缸体出水接头连接于所述机油冷却器与所述缸体之间的连接管路;所述缸体出水接头还通过进水阀连接于燃油加热器。
【技术特征摘要】
1.一种水循环加热系统,其特征在于,包括燃油加热器、出水阀、缸盖进水接头、缸盖、调温器、水泵、机油冷却器、缸体、缸体出水接头和进水阀;所述燃油加热器用于加热冷却液,所述燃油加热器通过出水阀门连接于缸盖进水接头,所述缸盖进水接头通过螺纹连接到缸盖上,并与缸盖内的水套连通;所述调温器的一端固定...
【专利技术属性】
技术研发人员:于小峰,李冠霖,李凯,牛放,王宏志,王亚娟,夏天,邱鹏程,魏泽鑫,胡文波,韩旭,潘泽霖,郜亮,
申请(专利权)人:中国第一汽车股份有限公司,
类型:新型
国别省市:吉林,22
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