For example, Tesla models turn on FSD to automatically replenish the vehicle after arriving at the destination; Unmanned buses, express vehicles, etc., can also be completely unmanned management; Or you do not have time to find a charging pile for your car, you can send the vehicle to find its own wireless charging pile "foraging"; Wireless charging can also solve the problem that many vehicle charging plugs are not shared at present, just like mobile phonesLightning, rain and snow, high temperature exposure, low temperature freezing and other harsh environments can still work effectively. Even indoors, you need to consider the possibility of being run over by wheels or trampled by pedestrians.
The principle of wireless charging is magnetic induction, the magnetic flux of the magnetic field must be very large, the charging efficiency is low, which is harmful to human health and interferes with electronic equipment. And most of the cars don't have sensors.
Wireless charging is through an electromagnetic field. Not the radiation risk of high-power fast charging. Only slow charge. It'll take a few hours. Hours. Why save a few seconds plugging in a socket? And wireless chargingIncreased efficiency requires accurate berths. And wired charging actually requires very low parking accuracy, long wires ah. And there's plenty of room for improvement in wired charging. Like a plug that comes off easily without being crushed.
Electric vehicle charging needs to be fast, wireless charging power is difficult to meet the standard of wired charging, in addition, wireless car charging because it belongs to high-power electromagnetic field, safety is also questioned.
Now the main problem of electric vehicles is that the charging time is too long, the efficiency is too low, and from a long time ago, some companies have proposed to apply wireless charging technology to the car, and recently, some companies have done it.However, at present, it is only a small scale in the test, and it is difficult to popularize in the future. In fact, before this road wireless charging began, there have been companies that have used this technology, but the final effect is not very ideal. In theory, electric vehicle wireless charging technology can not only greatly improve the user's car experience, but also pave the way for the last link of the unmanned future autonomous driving use scenario. One of the important reasons for the delay in really going to the market is that various countries have failed to develop a unified standard for the technology as soon as possible, resulting in a series of "chain reactions"It is difficult to scale and market.
Fast charge: Fast charge because the charging current is larger than the slow charge, the charging speed is faster than the slow charge speed, resulting in the temperature rise of the electrical charging heat process, and the safety is lower. Slow charge: Because the charging current is smaller than the fast charge, the charging speed is slower than the fast charge speed, resulting in a slow rise in temperature during the electrical charging heat process and higher safety.
At the same price, the fast charger will be easier and faster to use than the slow chargerThe life is not long, because the fast charger loses more during use. In addition, fast charging appliances on the market are more expensive than slow charging appliances.
The main difference between fast charging and slow charging is the charging speed. The charging speed of DC fast charge is faster than that of DC slow charge, which can greatly shorten the charging time. The fast charge will usually charge faster than the battery voltage, so it will charge faster. In contrast, the slow charging speed is slow, generally used for long-term battery charging, charging the device battery at a lower speed can reduce heat and battery pressure, and is also good for the long-term health of the battery.
ChargeCharging speed: Charging speed is one of the main differences between fast charging and slow charging. Dc fast charge and DC slow charge are two different charging methods. The fast charge is faster and can transfer power to the battery faster. In contrast, slow charging is slower and takes longer to complete. Use voltage: The voltage used for fast charge and slow charge is also different.
For the most part, the fast charge can be used when driving outside, which is quite convenient and fast. When going to the mall or eating, it only takes 1-2 hours to recharge the car battery. When you commute home that night, you can use slow charging, just secondJust unplug the charger when you go to work. Of course, the use of fast charging and slow charging of various advantages and disadvantages, the following specific analysis. The advantage of using fast charging is that the charging speed is fast and it saves time.
The most critical difference between fast charging and slow charging of new energy vehicles is that the charging speed is not the same, and the charging pile interface is not the same. Generally speaking, slow charging of new energy vehicles takes 8-10 hours to fully fill the battery, and fast charging only takes an hourYou can charge the battery to 80% of its capacity. Generally speaking, you can also use fast charging when driving outside, which is more convenient and fast.
There are obvious differences between the two charging methods in charging speed, charging facilities, charging cost and the impact on the battery. Charging speed: Fast charging usually refers to DC fast charging, which can charge electric vehicle batteries in a relatively short time, usually within 30 minutes to 1 hour to complete most of the charging. Slow charge refers to AC slow charge, which takes a long time to charge and may take several hours to full the battery.
【 Pacific Auto network 】【 New energy vehicle fast charge and slow charge the most closeThe difference between the key is that the charging speed is different, and the charging pile interface is not necessarily the same. In most cases, slow charging of new energy vehicles takes 8-10 hours to fully charge the battery, and fast charging takes only one hour to charge the battery to 80% of the power. The most critical difference between fast charging and slow charging of new energy vehicles is that the charging speed is different, and the charging pile interface is not necessarily the same.
The difference between fast charge and slow charge is: different current, different charging time, and different temperature. Different current fast charge: fast charge is usedA current of 30%C charges the battery. Slow charge: Slow charge is the use of 10%C current to charge the battery. Charging time is different fast charge: the charging time of fast charge is the same electrical appliance Wireless fast charge and slow charge which is fast , fast charge is shorter than slow charge time Wireless fast charge and slow charge which is fast , the charging efficiency of fast charge is higher.
The difference between slow charge and fast charge: the main body is different Wireless fast charge and slow charge which fast ; It works differently; 3. Circuit characteristicsDifferent. Under normal circumstances, the slow charge of new energy electric vehicles must take 8-10 hours to be able to fully fill the battery, and the fast charge must only take one hour to charge the battery to 80% of the electricity. The main body is different: fast charge is a charging method that enables the battery to be fully charged or very close to being fully charged within 1 to 5h.
Main body different fast charge: A charging method that can make the battery reach or approach the fully charged state within 1 ~ 5h. Slow charge: refers to the process of replenishing the power of a device such as a battery.
[Pacific Auto network] Charging time: fast charge half an hour can charge 80%,Slow charge takes 6 to 8 hours to full; Impact on the battery: fast charging will have some damage to the battery, slow charging will be better for the battery life; Charging mode: Fast charging does not need to be converted by the car charger, directly connected to the car battery, slow charging needs to be converted by the charger.
The difference between fast charge and slow charge: charging speed is different when charging the mobile phone, the charging speed is often very fast, basically every half an hour can be charged 50%-70% of the electricity, soon can be full of the battery, and the slow charging speed is relatively slow, 2-3 hours to charge the battery to 80% or full.
The following is the difference between fast charging and slow charging: Charging speed: DC fast charging and DC slow charging. Use voltage: Fast charge uses DC charge. The DC charge voltage is generally greater than the battery voltage (slow charge). Charging the device battery at a lower speed can not only reduce heat and battery pressure, but also benefit the long-term health of the battery. Cost: (Fast charge) Charging equipment installation requirements and costs are very high.