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汽车电路发生故障的原因有哪些?

来源:http://www.jnrunao.com/ 日期:2020-06-28 发布人:runao
现在许多私家车都喜欢在车上加装一些电子设置,像车用防盗器、音响等,由于施工技术不,会造成线路接错,或者令原有线路负荷加大,导致线路短路,引起电子系统故障,甚至会造成火灾。
Now many private cars like to add some electronic settings to their cars, such as car anti-theft device, audio, etc. due to the unprofessional construction technology, it will cause wrong connection of the lines, or increase the load of the original lines, resulting in short circuit of the lines, causing electronic system failure, and even fire disaster.
人为操作不当引起故障:
Failure caused by improper human operation:
对于车内的电子部件,在使用前更好看一下说明书。吴师傅表示,一些电子故障就是因为车主不了解该如何使用和设置,错误操作造成的。此外,在操作控制开关或面板时,也要尽量小心,不要用力过大。
For the electronic parts in the car, it is better to read the manual before use. Mr. Wu said that some electronic malfunctions were caused by the car owners' ignorance of how to use and set them up and wrong operation. In addition, when operating the control switch or panel, try to be careful not to use too much force.
洗车不当造成问题:
Problems caused by improper car washing:
有些车主喜欢用水冲发动机,这是非常危险的。因为发动机各部件中,有些是非常怕水的,用水冲时很容易引起电传感器、行车电脑出现故障。与此相似的情况是,夏季暴雨天气中,车辆在过水时,由于涉水不小心,使得发动机或者电子部件被水浸泡后,结果电子部件线路发生短路,使得汽车电子系统出现问题。
Some owners like to wash the engine with water, which is very dangerous. Because some parts of the engine are very afraid of water, when flushing with water, it is easy to cause the failure of the electric sensor and the driving computer. Similar to this situation, in the summer rainstorm, when the vehicle passes through the water, due to careless wading, the engine or electronic components are soaked in water, resulting in the short circuit of the electronic components circuit, making the vehicle electronic system have problems.
缺乏保养引起故障:
Failure due to lack of maintenance:
汽车电子从结构上分为传感器、控制单元、执行器、连接导线/数据线四大部分,汽车电子故障也与这四个方面的正常运行情况有着很密切的关系。汽车电子构造中这些部件都是很精密的,对于使用环境也有着较高的要求,而目前车主普遍存在的对电子部件缺乏保养、清洁不到位已成为造成故障的重要原因。
The structure of automotive electronics is divided into four parts: sensor, control unit, actuator, connecting wire / data line. The automotive electronic fault is closely related to the normal operation of these four aspects. These parts are very precise in the electronic structure of automobile, and they also have high requirements for the use environment. At present, the lack of maintenance and cleaning of electronic parts commonly exist among car owners has become an important cause of failure.
汽车传感器传感器作为汽车电子控制系统的信息源,是汽车电子控制系统的关键部件,而它如果受到灰尘等杂物的污染,就可能造成传感器的灵敏度和精密度降低,甚至会出现传感信号失真,从而使得车辆控制单元和执行器出现故障而无法正常行驶。
As the information source of the automobile electronic control system, the automobile sensor is the key component of the automobile electronic control system. If it is polluted by dust and other sundries, it may reduce the sensitivity and precision of the sensor, and even cause the distortion of the sensor signal, which makes the vehicle control unit and actuator fail to drive normally.
连接导线采用电子仪表的汽车,需要很多连接器把电线束连到仪表板上去。然而这些连接器一旦受潮或被水侵蚀后,往往会使连接导线氧化,进而导致接触不良。检查时可用眼看或手摸的方法进行,连接器装置要齐全、完好,插头、插座应接触可靠、无锈蚀。仪表电路工作中用手触摸连接器,应没有明显的温度感觉,若温度过高,说明该连接器接触不良,应查明原因予以排除。
For vehicles with electronic instruments, many connectors are needed to connect the electric wire harness to the instrument panel. However, once these connectors are damped or eroded by water, they tend to oxidize the connecting wires, resulting in poor contact. The inspection can be carried out by eyes or hands. The connector device shall be complete and intact. The plug and socket shall be contacted reliably without corrosion. When touching the connector with hands during the operation of instrument circuit, there shall be no obvious temperature feeling. If the temperature is too high, it indicates that the connector is in poor contact, and the cause shall be found out and eliminated.
维修不导致故障:
Failure due to unprofessional maintenance:
当汽车上电子产品越来越多时,对于汽车维修的要求也越来越,如果对电子线路乱接乱拆装,很容易导致接线错误、控制单元损坏,使得车辆无法正常运行。
When there are more and more electronic products on the vehicle, the requirements for vehicle maintenance are more and more professional. If the electronic circuit is randomly connected and disassembled, it is easy to lead to wiring errors, control unit damage, making the vehicle unable to operate normally.
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