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Did Mercedes-Benz trucks have no fuses? Trucks entered the era of intelligence
Does the Mercedes truck have no fuse?
With the rapid development of science and technology, trucks have also followed the pace of the times to enter the "intelligent" era. The application of a large number of "black technologies" has made the circuits on trucks more complex. Under complicated comprehensive conditions, how can the circuit's safety be guaranteed?
? Fused fuse? Finding faults is too much trouble
Fuse is the name we are used to, and the terminology should be called "fuse." When the circuit current is abnormal and exceeds its rated current, the fuse fuses immediately and acts as a circuit protection barrier. Vehicle fuses are broadly divided into two types of fast-blow fuses and slow-blow fuses.
At present, most commercial vehicles on the market use fuses. Although in the daily car process, it can play a certain role in protecting the electrical equipment. However, due to the large number of automobile circuits, circuit failures can only be solved by the elimination method in most cases, and efficiency has always been a problem.
Is it too much work to check if the fuse is blown? So, is there a way to quickly detect circuit failures?
Mercedes-Benz Actros--Fuse also plays "black technology"
So, what's the magic of Mercedes-Benz's circuit "fuses"? Let's start with the front cover, Mercedes-Benz's central hub box is similar to the layout of most domestic trucks. The only difference is that it seems that other people's circuit layout is particularly structured and details determine everything.
In the copilot position in the cab, open the bottom protective shell and you can see the circuit core of the truck. Look closely, it seems that these "fuse" and we see the fuses are not the same, more like an air power protection.
So, how wonderful is this type of fuse? In addition to coloring the different ammeters, each "insurance module" is equivalent to a separate earth leakage protector (similar in principle).
When the circuit fails, the "insurance module" immediately protects the circuit from power failure, and the central part then pops up a raised small piece. The biggest advantage of this is that when the circuit fails, the maintenance staff only needs to check which "insurance module" has popped up, which effectively improves the inspection efficiency.
The most critical thing is that when the circuit fault is solved, press the raised part on the top of the “insurance module†and you can use it again.
Think: The gap in the fuse
In the past era, whether it was experienced maintenance masters or "drivers" who had not had much maintenance experience, when checking the circuit faults of vehicles, they often delayed a lot of time in checking this link. Even at some point, cases of calling for rescue because of a temporary lack of fuse replacement are not rare.
The “power-off†protection module used by Mercedes-Benz can find faults at a glance and can also be reused. This "power-off" insurance module is not considered black technology, so why not install the domestic car?
At present, most commercial vehicles use fuse-type fuses. The probability of fuse failure due to various “circuit modifications†in trucks is greatly increased. Although the traditional “fuse†cost is very low, the failure rate is extremely high. Among them, the cost of fuses is worthless, and the most valuable one is the time cost.
Some people may say that Mercedes-Benz is a kind of bauble, and who will buy the truck? If Mercedes-Benz, a single insurance module, is priced at $10, it can be reused, and it can reduce repair time by 10 minutes. I believe most card members are willing to pay for it. It is not the cost that has constrained the improvement of quality. The most critical thing is that we have a lot of details.