Avoid the need for auto ignition

In summer, the hot season is the period of spontaneous combustion of vehicles. At this time of year, car auto-ignition accidents will occur more or less, causing serious economic losses to the owners and even endangering their lives. As the temperature rises, how to prevent auto-ignition has become a hot topic for car owners.


Cause: 60% of electrical shorts


Why does auto ignition occur? I often hear people around you say that if the car is too long, it is prone to spontaneous combustion. This frightened the owners who drive the "old car." Auto repair experts believe that auto-ignition is generally caused by the damage of oil circuits, circuits and car modification parts, and has no direct relationship with the old and new. The reason why there are more spontaneous combustion accidents with old cars is that many old car owners do not pay attention to maintenance. In fact, new cars will also spontaneously ignite. Why? Experts believe that owners of new vehicles will generally provide vehicles with anti-theft devices, high-end audio equipment, etc. If these tasks are not completed in a professional repair shop, they will cause hidden dangers for the occurrence of spontaneous combustion accidents. If the installers have limited technology, they will not analyze the layout of the vehicle and the specific structure, and will not even consider the different line power to calculate, so as to determine where to get the power from a more reasonable and similar issues. Therefore, indiscriminately inducing wires, places where the load is heavy are not covered by insurance, and there are many kinds of erroneous maintenance such as the friction-free place that is not effectively fixed, and spontaneous combustion accidents will be unavoidable. In addition, the car traveled long distances and was overloaded, causing various parts of the engine to run continuously for a long time, resulting in increased temperature. In addition, the weather was very hot and the engine ventilation equipment was not good, resulting in a short circuit in the power cord and causing spontaneous combustion. It is worth mentioning that, if improperly placed car cargoes collide with each other, sparks will be generated, which will cause the car to ignite spontaneously. The fire department had analyzed the spontaneous combustion events of motor vehicles: among them, there were mostly car fires, which accounted for more than 40% of the total; fires occurred mostly in the driving state of automobiles, which accounted for about 70%; and the causes of fires were mostly short-circuited by wires, which was over 60%.


Measures: Parking off power fire alarm


Are there any precursory signs before the auto-ignition of the car, so that effective measures can be taken in time? Auto repair experts said that passenger cars have a common process of spontaneous combustion, the beginning may be dashboard, battery compartment, valve motive positions will be black smoke, there is a mischievous taste, for passenger cars , because the battery compartment, the engine compartment are generally At the rear of the vehicle, the driver is generally not aware of the front of the vehicle. Therefore, if the driver sees the smoke through the window and the rearview mirror, he should immediately stop the inspection and turn off the power. Do not rush to rescue the vehicle's belongings and prevent accidental burns.


According to the introduction of fire-fighting professionals, many car fires can be extinguished at an early stage, but they often cause unnecessary losses due to the psychological tension of the parties. After the fire broke out, the most important thing is life safety. We must make an alarm as soon as possible on the premise of safeguarding our own safety, and we should use the fire extinguisher or other fire extinguishing conditions to do the initial rescue. Don't panic and let the fiend explode.


Specifically, when it is found that the car has burnt smell and emits blue or black smoke, it should be known that this is a sign of spontaneous combustion. At this time, you should immediately stop, turn off the power, remove the fire extinguisher, and cool the Fuel Tank and the burning part to prevent explosion. To find the exact location of the fire at the first time, extinguish it with a fire extinguisher. If it is found to be relatively late and the fire is very heavy, you should leave the scene as soon as possible and report to 119 in time.


Fire extinguishers are equipment that must be carried with the vehicle. If it is a dry powder fire extinguisher, it is best to go to the local fire equipment store to inspect it once a year to check whether the dry powder is agglomerated and the pressure of the built-in nitrogen bottle that provides jet power is reduced.


Prevention: Eight items of attention


With regard to the occurrence of auto-ignition accidents, it is difficult to find the cause afterwards. Experts in auto repairs said that auto-ignition is mostly caused by human factors, so to avoid auto-ignition, or to prevent the main, because in many cases auto-ignition can be avoided.


1. Strengthen the engine compartment cleaning, especially after the repair, be sure to clean the compartments and engine parts of the oil, pay special attention to high-pressure pump, fuel filter, turbocharger, exhaust manifold, exhaust pipe, muffler, steering Help clean the tank and other parts. In addition, pay attention to the tightness check of the fuel line to prevent the fuel line from leaking. We know that the necessary conditions for burning are: fire, fuel, and oxygen. All three are indispensable. The main purpose of taking these measures is to cut off the fuel. Without flammable materials, it will not catch fire.


2, check the entire vehicle electrical system, mainly including: A, whether the entire vehicle insurance is complete and effective, whether the use of wire instead of insurance, if this phenomenon, it is necessary to rectify as soon as possible, the use of wire instead of insurance is strictly prohibited. B. Check whether the wiring harness is well-wrapped, whether the insulation is good, and whether there is a private connection. If so, professionals must be rectified as soon as possible, and insurance films must be added on the line. C. Check whether all electrical equipment is in good condition and have faulty electrical appliances. We must restore it as soon as possible. It is forbidden to run electrical equipment with faults.


3. Do not turn off the engine immediately after parking. Let the engine idle for 2 to 3 minutes and allow the engine to turn off. Otherwise, the turbocharged parts will easily catch fire. We know that when the engine is running normally, the turbocharger rotates at a speed of up to 100,000 rpm. When the engine is shut down immediately after shutdown, the turbocharger loses its lubrication, and the turbocharger shaft is still running at high speed. Locally generated high temperatures can have two adverse consequences. One is that the turbocharger is prone to ablation, and the second is the prone to fire at the supercharger.


4. Do not place flammable items such as gas lighters, air fresheners, perfumes, and mousses on parts of the vehicle that are easily exposed to the sun's rays, such as dashboards; do not put dangerous oils such as gasoline and diesel on the vehicle. Inside.


5. Don't stay in the car


It is best not to smoke inside the car to throw lit cigarettes that are not extinguished.


6. In the summertime, when the car is driving under high temperature for a long time, it is necessary to make more rests in the middle, and do not allow the car to long-term exposure.


7. Insurance companies generally have a “self-ignition risk”, that is, due to problems in the circuit, lines, oil circuits, fuel supply system of the vehicle, problems with the cargo itself, fire caused by the friction and fire of the motor vehicle, damage to the insurance vehicle, and the insured. In the event of this insurance accident, the insurer shall be liable for compensation for the necessary and reasonable expenses for the relief of the loss of the insurance vehicle. Therefore, for the sake of safety in summer driving, you can buy “self-ignition”.


8. Have fire extinguishers on board as required and remember to replace them regularly. Fire extinguishers should not be dispensable devices. Be familiar with the use of fire extinguishers so as to avoid any accidents.

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