Water to make coffee on the high-speed train?! Netizen: Ke Zhen Xing

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At the end of the Spring Festival, everyone began to take the return high-speed train and return from their comfortable hometown to the city where they work. And in the long drive, if you run into a romantic encounter, it will more or less add some interesting memories to this boring journey.

Recently, a netizen was accosted by a passenger next door on the return high-speed train. According to the poster, when he was drowsy, the little brother in the next room suddenly asked himself if he wanted some coffee. Then the other party pulled out a pile of coffee utensils in front of him, and borrowed his own table to put a hot kettle to boil water to make a cup of coffee.

In fact, with the popularity of coffee culture in recent years, it is not uncommon to make coffee on high-speed trains, but for some people who have never experienced it, they will be more or less surprised to watch others boil water and make coffee on the moving train. This is the case with this party, who recorded the incident and shared her special experience with many netizens.

Interestingly, the younger brother who made hand-made coffee also posted on the same platform how he accosted himself with a cup of hand-made coffee on the high-speed railway, which was jokingly called "high-speed rail idol drama" by onlookers, and many people even left messages to urge the posters to reveal their follow-up development.

Apart from gossip, after observing the coffee production scene filmed by the two parties, some users thought that although it was romantic and interesting to chat up the coffee by hand, there was a great risk of using an electric kettle to boil water on the high-speed railway.

It is understood that the electricity on the high-speed rail is mainly obtained from the upper power grid through the pantograph on the roof, on the one hand, it is used as the power of the vehicle, on the other hand, it is transformed into the single-phase alternating current of 220V50Hz after being treated by transformer and converted into AC / DC, for use in the car.

However, the socket power in the high-speed rail car is limited, if the total rated power of a carriage is about 3200W, it may be about 100W to be allocated to each socket. In this case, the use of an electric kettle with a rated power of more than 1000 watts may cause the whole carriage to exceed the rated power and trigger the power protection mechanism.

In addition, the electricity output on the train will be more or less accompanied by high pulses. And along the train, there will be a traction substation to supply power to the car every 50 kilometers. In order to avoid short circuit, the power supply line of the adjacent substation will be separated by an area without electricity, which leads to the occasional supply of current from the socket. Under the influence of various objective factors, the current and voltage of car sockets are actually not as stable as household appliances.

Therefore, after the low-power devices such as mobile phones and computers are connected to the carriage circuit, there is a risk of equipment damage due to current and voltage instability. And if you use high-power appliances such as electric kettles, the risk is even more self-evident.

Apart from the risk of electricity consumption, many users pointed out that although the train is stable, if the front passenger suddenly adjusts the back of the seat, he is very likely to touch the appliances on the table and the hot water that has just been boiled, and the consequences will be unimaginable. Some people who have brewed coffee on the high-speed train say that the train itself provides boiled water, which can be picked up and used, or fill it with hot water in an thermos before getting on the train, instead of boiling water in a hot kettle.

Many netizens believe that although brewing coffee on the high-speed train can relieve the boredom of the journey and relieve the "coffee addiction", it is necessary to pay attention to the safety of electricity in the process of making coffee, and do not bring danger to other passengers in order to chat up a cup of coffee.

Picture from: network screenshot

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