CN105134428A - Thermal insulation device of automobile diesel oil pipe - Google Patents
Thermal insulation device of automobile diesel oil pipe Download PDFInfo
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- CN105134428A CN105134428A CN201510483732.5A CN201510483732A CN105134428A CN 105134428 A CN105134428 A CN 105134428A CN 201510483732 A CN201510483732 A CN 201510483732A CN 105134428 A CN105134428 A CN 105134428A
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- 238000009413 insulation Methods 0.000 title claims abstract description 37
- 239000002283 diesel fuel Substances 0.000 title 1
- 239000000498 cooling water Substances 0.000 claims abstract description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 238000004321 preservation Methods 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 239000000446 fuel Substances 0.000 claims description 23
- 239000012774 insulation material Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229910052573 porcelain Inorganic materials 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 26
- 230000000694 effects Effects 0.000 abstract description 5
- 239000010710 diesel engine oil Substances 0.000 abstract description 3
- 239000000295 fuel oil Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
一种汽车柴油机输油管保温装置，包括车载电源、第一流量阀、输油管、保温圆管、水箱、冷却水泵、冷却水管、温度传感器、汽车控制器、发热电阻丝、第二流量阀，保温圆管设置在输油管外侧，发热电阻丝、温度传感器放置在保温圆管和输油管之间，保温圆管的冷却水进出端与冷却水管连接构成冷却水管线路，冷却水泵的两端设置在冷却水管线路中，第一流量阀设置在靠近保温圆管两端的冷却水管上；水箱左侧与冷却水管相连，水箱右侧与柴油机冷却系统中的冷却管相连，左右侧之间通过第二流量阀相通；车载电源、第一流量阀、第二流量阀、冷却水泵、温度传感器、发热电阻丝分别与汽车控制器相连。本发明有效保障柴油机输油管保温效果，提高燃油工作效率。
An automobile diesel engine oil pipeline insulation device, including vehicle power supply, first flow valve, oil pipeline, heat preservation round pipe, water tank, cooling water pump, cooling water pipe, temperature sensor, automobile controller, heating resistance wire, second flow valve, heat preservation round pipe It is arranged on the outside of the oil delivery pipe, and the heating resistance wire and the temperature sensor are placed between the insulation round pipe and the oil delivery pipe. The cooling water inlet and outlet of the insulation round pipe are connected with the cooling water pipe to form a cooling water pipeline. The two ends of the cooling water pump are arranged in the cooling water pipeline. The first flow valve is set on the cooling water pipe close to both ends of the heat preservation round pipe; the left side of the water tank is connected to the cooling water pipe, the right side of the water tank is connected to the cooling pipe in the diesel engine cooling system, and the left and right sides are connected through the second flow valve; the vehicle power supply , the first flow valve, the second flow valve, the cooling water pump, the temperature sensor, and the heating resistance wire are respectively connected with the automobile controller. The invention effectively guarantees the heat preservation effect of the oil delivery pipe of the diesel engine and improves the fuel oil working efficiency.
Description
技术领域technical field
本发明涉及汽车输油管保温的控制领域，具体涉及一种汽车柴油机输油管保温装置。The invention relates to the field of heat preservation control of automobile oil delivery pipes, in particular to a heat preservation device for automobile diesel engine oil delivery pipes.
背景技术Background technique
柴油机作为一种汽车传统的发动机，柴油成为汽车必不可少的燃料，但是柴油有自身不可避免的缺陷，即其凝点较低，在遇到寒冷天气的时候，柴油的温度就会变得很低，流动性就会变得很差，因此，有必要提出一种对汽车柴油的保温装置，提高柴油的温度的同时，也有助于提高其在柴油机中的工作效率，改善燃油燃烧环境。As a traditional automobile engine, diesel engine has become an essential fuel for automobiles. However, diesel has its own inevitable defects, that is, its freezing point is low. When encountering cold weather, the temperature of diesel will become very high. If the temperature is low, the fluidity will become very poor. Therefore, it is necessary to propose a thermal insulation device for automobile diesel, which can improve the working efficiency of the diesel engine and improve the fuel combustion environment while increasing the temperature of the diesel.
发明内容Contents of the invention
本发明要解决的技术问题是，针对现有汽车柴油机存在的上述不足，提供一种汽车柴油机输油管保温装置，可保障汽车柴油机输油管保温效果，提高燃油的工作效率。The technical problem to be solved by the present invention is to provide a thermal insulation device for fuel delivery pipes of automobile diesel engines, which can ensure the thermal insulation effect of fuel delivery pipes of automotive diesel engines and improve the working efficiency of fuel.
本发明为解决上述技术问题所采用的技术方案是：The technical scheme that the present invention adopts for solving the problems of the technologies described above is:
一种汽车柴油机输油管保温装置，包括车载电源、第一流量阀、输油管、保温圆管、水箱、冷却水泵、冷却水管、温度传感器、汽车控制器、发热电阻丝、第二流量阀，所述保温圆管设置在柴油机输油管外侧，发热电阻丝放置在保温圆管和输油管之间，且保温圆管和输油管之间布置一个温度传感器，所述保温圆管的冷却水进出端分别与冷却水管连接构成冷却水管线路，所述冷却水泵的两端设置在冷却水管线路中，冷却水由冷却水泵驱动下在冷却水管和保温圆管中循环，第一流量阀包括两个，分别设置在靠近保温圆管两端的冷却水管上；所述水箱设置在冷却水管线路中，用于储存冷却水，水箱包括水箱左侧、水箱右侧两部分，水箱左侧与冷却水管相连，水箱右侧与柴油机冷却系统中的冷却管相连，水箱左侧、水箱右侧之间通过第二流量阀相通；所述车载电源、第一流量阀、第二流量阀、冷却水泵、温度传感器、发热电阻丝分别用数据传输线与汽车控制器相连，同时发热电阻丝的两端还与车载电源连接。An automobile diesel engine fuel pipeline insulation device, comprising a vehicle-mounted power supply, a first flow valve, a fuel pipeline, a heat preservation round pipe, a water tank, a cooling water pump, a cooling water pipe, a temperature sensor, an automobile controller, a heating resistance wire, and a second flow valve. The round pipe is arranged on the outside of the oil delivery pipe of the diesel engine, the heating resistance wire is placed between the insulation round pipe and the oil delivery pipe, and a temperature sensor is arranged between the insulation round pipe and the oil delivery pipe, and the cooling water inlet and outlet ends of the insulation round pipe are respectively connected with the cooling water pipe to form a Cooling water pipe line, the two ends of the cooling water pump are arranged in the cooling water pipe line, the cooling water is driven by the cooling water pump to circulate in the cooling water pipe and the heat preservation round pipe, and the first flow valve includes two, which are respectively arranged near the heat preservation round pipe On the cooling water pipes at both ends; the water tank is set in the cooling water pipe circuit for storing cooling water. The water tank includes two parts: the left side of the water tank and the right side of the water tank. The cooling pipes are connected to each other, and the left side of the water tank and the right side of the water tank are connected through the second flow valve; the vehicle power supply, the first flow valve, the second flow valve, the cooling water pump, the temperature sensor, and the heating resistance wire are respectively connected with The car controller is connected, and the two ends of the heating resistance wire are also connected to the car power supply.
按上述方案，所述保温圆管主要采用橡胶保温材料，在保温圆管靠近输油管处采用软瓷保温材料。According to the above scheme, the thermal insulation round pipe mainly adopts rubber thermal insulation material, and the soft porcelain thermal insulation material is used at the place where the thermal insulation circular tube is close to the oil delivery pipe.
按上述方案，所述温度传感器采用接触式热电阻温度传感器或接触式热电偶温度传感器。According to the above scheme, the temperature sensor adopts a contact thermal resistance temperature sensor or a contact thermocouple temperature sensor.
按上述方案，所述冷却水泵采用电磁计量泵、柱塞式计量泵、液压隔膜式计量泵中的任意一种。According to the above solution, the cooling water pump adopts any one of electromagnetic metering pump, plunger metering pump and hydraulic diaphragm metering pump.
按上述方案，所述第一流量阀、第二流量阀均采用电动流量调节阀。According to the above solution, both the first flow valve and the second flow valve are electric flow regulating valves.
按上述方案，所述发热电阻丝环形围绕在输油管的外侧，且发热电阻丝与输油管间隔4～6mm(保证输油管受热均匀)。According to the above scheme, the heating resistance wire is annularly surrounded on the outside of the oil delivery pipe, and the distance between the heating resistance wire and the oil delivery pipe is 4-6 mm (to ensure that the oil delivery pipe is evenly heated).
按上述方案，所述汽车控制器采用汽车ECU。According to the above scheme, the automobile controller adopts an automobile ECU.
本发明的工作原理：利用柴油机转速传感器测量发动机转速来判断汽车柴油机是否处于正常的工作状态，然后汽车控制器根据柴油机不同的工作状态来判定保温装置采取哪种工作模式，是采用柴油机冷却循环中的冷却水加热输油管还是采用发热电阻丝通电产生的热量来加热输油管从而达到保温的目的；温度传感器用于检测保温圆管中的温度，冷却水泵用于控制循环中冷却水的流量，第一流量阀用于调节冷却水进入保温圆管的流量，第二流量阀用于调节冷却水在水箱左侧和水箱右侧之间的流量，保证水箱左右两侧互通。The working principle of the present invention: use the diesel engine speed sensor to measure the engine speed to judge whether the automobile diesel engine is in a normal working state, and then the automobile controller judges which working mode the heat preservation device adopts according to the different working states of the diesel engine. The oil pipeline is heated by the cooling water or the heat generated by the heating resistance wire is used to heat the oil pipeline so as to achieve the purpose of heat preservation; the temperature sensor is used to detect the temperature in the heat preservation round pipe, and the cooling water pump is used to control the flow of cooling water in the cycle. The first flow The valve is used to adjust the flow of cooling water entering the thermal insulation round pipe, and the second flow valve is used to adjust the flow of cooling water between the left side of the water tank and the right side of the water tank to ensure the communication between the left and right sides of the water tank.
本发明的有益效果：结构简单，使用方便，可保障汽车柴油机输油管保温效果，提高燃油的工作效率。The invention has the beneficial effects of simple structure and convenient use, which can ensure the heat preservation effect of the oil pipeline of the automobile diesel engine and improve the working efficiency of the fuel.
附图说明Description of drawings
图1为本发明汽车柴油机输油管保温装置的结构原理图；Fig. 1 is the structural principle diagram of automobile diesel engine fuel pipe insulation device of the present invention;
图2为本发明输油管保温装置的水箱的结构原理图；Fig. 2 is the schematic structural diagram of the water tank of the oil pipeline insulation device of the present invention;
图3为本发明输油管保温装置的工作流程图；Fig. 3 is the working flow diagram of the oil pipeline insulation device of the present invention;
图中：1-车载电源；2-流量阀；3-输油管；4-保温圆管；5-水箱；6-冷却水泵；7-冷却水管；8-温度传感器；9-汽车控制器；10-发热电阻丝；11-柴油机冷却系统中的冷却管；51-水箱左侧；52-水箱右侧；14-流量阀。In the figure: 1-vehicle power supply; 2-flow valve; 3-oil delivery pipe; 4-insulation round pipe; 5-water tank; 6-cooling water pump; 7-cooling water pipe; 8-temperature sensor; Heating resistance wire; 11-cooling pipe in diesel engine cooling system; 51-left side of water tank; 52-right side of water tank; 14-flow valve.
具体实施方式Detailed ways
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
如图1～图2所示，本发明所述的汽车柴油机输油管保温装置，包括车载电源1、第一流量阀2、输油管3、保温圆管4、水箱5、冷却水泵6、冷却水管7、温度传感器8、汽车控制器9、发热电阻丝10、第二流量阀14，所述保温圆管4设置在柴油机输油管3外侧，发热电阻丝10放置在保温圆管4和输油管3之间，且保温圆管4和输油管3之间布置一个温度传感器8，所述保温圆管4的冷却水进出端分别与冷却水管7连接构成冷却水管线路，所述冷却水泵6的两端设置在冷却水管线路中，冷却水由冷却水泵6驱动下在冷却水管7和保温圆管4中循环，第一流量阀2包括两个，分别设置在靠近保温圆管4两端(冷却水进出保温圆管4端)的冷却水管7上；所述水箱5设置在冷却水管7线路中，用于储存冷却水，水箱5包括水箱左侧51、水箱右侧52两部分，水箱左侧51与冷却水管7相连，水箱右侧52与柴油机冷却系统中的冷却管11相连，水箱左侧51、水箱右侧52之间通过第二流量阀14相通；所述车载电源1、第一流量阀2、第二流量阀14、冷却水泵6、温度传感器8、发热电阻丝10分别用数据传输线与汽车控制器9相连，同时发热电阻丝10的两端还与车载电源1连接连接。As shown in Figures 1 to 2, the automobile diesel engine fuel pipe insulation device according to the present invention includes a vehicle power supply 1, a first flow valve 2, a fuel pipe 3, a heat preservation round pipe 4, a water tank 5, a cooling water pump 6, a cooling water pipe 7, Temperature sensor 8, automobile controller 9, heating resistance wire 10, second flow valve 14, described thermal insulation round pipe 4 is arranged on the outside of diesel engine oil delivery pipe 3, heating resistance wire 10 is placed between insulation round pipe 4 and oil delivery pipe 3, and A temperature sensor 8 is arranged between the heat preservation round pipe 4 and the oil delivery pipe 3, the cooling water inlet and outlet ends of the heat preservation round pipe 4 are respectively connected with the cooling water pipe 7 to form a cooling water line, and the two ends of the cooling water pump 6 are arranged on the cooling water line Among them, the cooling water is driven by the cooling water pump 6 and circulates in the cooling water pipe 7 and the thermal insulation pipe 4. The first flow valve 2 includes two, which are respectively arranged near the two ends of the thermal insulation circular pipe 4 (the cooling water enters and exits the thermal insulation circular pipe 4 ends). ) on the cooling water pipe 7; the water tank 5 is arranged in the cooling water pipe 7 circuit for storing cooling water, the water tank 5 includes two parts, the left side of the water tank 51 and the right side of the water tank 52, and the left side of the water tank 51 is connected with the cooling water pipe 7, The right side of the water tank 52 is connected to the cooling pipe 11 in the diesel engine cooling system, and the left side of the water tank 51 and the right side of the water tank 52 are connected through the second flow valve 14; the vehicle power supply 1, the first flow valve 2, and the second flow valve 14. The cooling water pump 6, the temperature sensor 8, and the heating resistance wire 10 are respectively connected to the automobile controller 9 with a data transmission line, and the two ends of the heating resistance wire 10 are also connected to the vehicle power supply 1 simultaneously.
参照图3所示的输油管保温装置工作流程图，首先，柴油机转速传感器检测柴油机的转速，转速传感器将检测到的结果发送给汽车控制器9，当转速传感器检测到柴油机的转速大于等于800r/min时，可以判定此时汽车处于正常工作状态，此时第一流量阀2和第二流量阀14同时开启，柴油机冷却循环中的冷却水经柴油机冷却系统中的冷却管11进入水箱右侧52，再经第二流量阀14进入到水箱左侧51，冷却水泵6启动并驱动柴油机冷却水经冷却水管7到保温圆管4中加热输油管3，同时温度传感器8监测此时保温圆管4内冷却水的温度，并将监测的结果通过数据传输线传送到汽车控制器9，汽车控制器9根据此时冷却水的温度与目标温度相比较来调节冷却水泵6和第一流量阀2在保温圆管4中的流量，达到调节温度的效果。With reference to the working flow chart of the oil pipeline heat preservation device shown in Figure 3, at first, the diesel engine speed sensor detects the speed of the diesel engine, and the speed sensor sends the detected result to the vehicle controller 9, when the speed sensor detects that the speed of the diesel engine is greater than or equal to 800r/min , it can be determined that the automobile is in a normal working state at this time, at this time the first flow valve 2 and the second flow valve 14 are opened simultaneously, the cooling water in the diesel engine cooling cycle enters the right side 52 of the water tank through the cooling pipe 11 in the diesel engine cooling system, Then enter the left side 51 of the water tank through the second flow valve 14, the cooling water pump 6 starts and drives the diesel engine cooling water to heat the oil delivery pipe 3 through the cooling water pipe 7 to the heat-insulating round pipe 4, and the temperature sensor 8 monitors the cooling in the heat-insulating round pipe 4 at this time The temperature of the water, and the monitoring result is sent to the automobile controller 9 through the data transmission line, and the automobile controller 9 adjusts the cooling water pump 6 and the first flow valve 2 according to the temperature of the cooling water at this time compared with the target temperature. 4, to achieve the effect of regulating temperature.
当转速传感器监测到柴油机的转速小于800r/min时，可以判定此时汽车处于非正常工作状态或不工作状态，此时第一流量阀2和第二流量阀14同时关闭，温度传感器8和车载电源1开始工作，车载电源1通过发热电阻丝10加热在保温圆管4中的冷却水，继而加热输油管3，与此同时，温度传感器8不断监测保温圆管4内冷却水的温度并将检测到的结果传送给汽车控制器9，汽车控制器9将检测到的温度和目标温度作比较来改变发热电阻丝10的输入电压，从而达到调节温度的作用。When the rotational speed sensor detects that the rotational speed of the diesel engine is less than 800r/min, it can be determined that the automobile is in an abnormal working state or a non-working state. At this moment, the first flow valve 2 and the second flow valve 14 are closed simultaneously, and the temperature sensor 8 and the vehicle-mounted The power supply 1 starts to work, and the on-board power supply 1 heats the cooling water in the heat-insulating round pipe 4 through the heating resistance wire 10, and then heats the oil delivery pipe 3. At the same time, the temperature sensor 8 constantly monitors the temperature of the cooling water in the heat-insulating round pipe 4 and detects The obtained result is transmitted to the automobile controller 9, and the automobile controller 9 compares the detected temperature with the target temperature to change the input voltage of the heating resistance wire 10, thereby achieving the effect of adjusting the temperature.
所述的发热电阻丝10环形围绕在输油管3的外侧，且发热电阻丝10与输油管3间隔一定的距离，实施例优选为5mm，保证输油管3受热均匀。The heating resistance wire 10 is annularly surrounded on the outside of the oil delivery pipe 3, and the heating resistance wire 10 and the oil delivery pipe 3 are separated by a certain distance, preferably 5mm in an embodiment, so as to ensure that the oil delivery pipe 3 is evenly heated.
所述的冷却水泵6在0-100％范围内无级调节，保证冷却水流量在冷却水管7中的精确调节，同时和第一流量阀2、第二流量阀14共同调节流量大小。The cooling water pump 6 can be adjusted steplessly in the range of 0-100%, to ensure the precise adjustment of the cooling water flow in the cooling water pipe 7, and at the same time adjust the flow together with the first flow valve 2 and the second flow valve 14 .
流量阀分为两个，分别是第一流量阀2、第二流量阀14，均采用电动流量调节阀，第一流量阀2用于调节冷却水进入保温圆管4的流量，第二流量阀14用于调节冷却水在水箱左侧51和水箱右侧52之间的流量，保证水箱左右两侧互通。The flow valve is divided into two, namely the first flow valve 2 and the second flow valve 14, both of which are electric flow regulating valves. The first flow valve 2 is used to adjust the flow of cooling water entering the heat preservation round pipe 4, and the second flow valve 14 is used to adjust the flow of cooling water between the left side 51 of the water tank and the right side 52 of the water tank to ensure the communication between the left and right sides of the water tank.
所述的转速传感器采用霍尔式转速传感器或光电式转速传感器，用于测量发动机转速，转速传感器设置成与气缸缸数相等的数量，分别连续监测柴油机的转速。The rotational speed sensor adopts a Hall-type rotational speed sensor or a photoelectric rotational speed sensor for measuring the engine rotational speed, and the rotational speed sensors are set to a number equal to the number of cylinders to continuously monitor the rotational speed of the diesel engine respectively.
所述的汽车控制器9根据多次监测结果来判定柴油机的工作状态，避免出现因柴油机不正常工作而对柴油机的工作状态的误判。The vehicle controller 9 judges the working state of the diesel engine according to multiple monitoring results, so as to avoid misjudgment of the working state of the diesel engine due to abnormal operation of the diesel engine.
本发明并不仅仅限于说明书和实施方式中所列运用，对于本领域的技术人员来说，可根据本发明作出各种相应的更改和变型，如所述转速取值800r/min只是一种根据一般公路做出的常规划分，在不同公路等级、崎岖不平等各种路况下根据具体情况做上下调整，而所有这些相应的更改和变型都属于本发明权利要求的保护范围。The present invention is not limited to the application listed in the description and the implementation. For those skilled in the art, various corresponding changes and modifications can be made according to the present invention. The conventional divisions made by general roads are adjusted up and down according to specific conditions under different road grades and rough and uneven road conditions, and all these corresponding changes and modifications belong to the protection scope of the claims of the present invention.
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