Why doesn t my electric car work?

It is possible that the controller or motor (the motor may be small) has water ingress, and then try when it is dry, if it is not good, it is possible that the controller has burned, or which line has water ingress and caused a short circuit.

If it's not because it's wet, it may be that the battery is broken. It would be nice to get a new battery, and my electric car was the same two months ago.

The reason is that the effective utilization law of electric power is very low, and the power is also small. The electric bus has a large load, heavy load, and large power consumption, so it is not used Cars other than gasoline and diesel are now generally called new energy vehicles. to electricity.

It's wet inside, so it doesn't go where the power should go, and when it's dry, it's fine, just like when you wash your car, and it happens occasionally.

When I first started buying an electric car, I thought that it would be very convenient to buy an electric car in such a small city, and I usually picked up my children or went out to buy something, but I regretted it not long after I bought it. <>

I remember once going out with my son to play, did not pay attention to the electric car has no power, but after going out, it can't come back, and there is no battery, I can't charge it, I have been taking my son to push the electric car back, and in our community charging is also particularly inconvenient, although there is a place to charge the money is not to say, the key is that the location has to rely on grabbing, a step late may not be able to find a place to charge, and the electric car can not be pushed upstairs, because it is too dangerous, And our community is absolutely forbidden, often see this electric car at night ** news is too scary, you can buy most of the time is the pigeon there, because there is no place to charge, and I usually commute to work is particularly inconvenient, often sweep the shared bicycle.

Go to work. <>

It's better to buy a motorcycle to the convenience, at the beginning always feel that the motorcycle is too strong to ride, in fact, there is no difference between the real will and the electric car, if there is no oil, as long as you go to the gas station to refuel, it is convenient to go out even if there is no gas, there is no need to worry, the electric car will go out tonight and come back without electricity, always keep charging.

In fact, a brand-new electric car ** is not cheap, it is better to add some more money and buy a motorcycle directly, I now take this electric car to a second-hand store to sell it and it is not worth it, it feels not cost-effective, intestines.

It's all repentant, but what can be done? Who told me to spend impulsively? No matter what we buy, we must think about it before we do, it's not very cheap than yours, the key is that it's basically useless, it's rusty there, and it's just occasionally charged and then goes out to ride, and then I still buy a motorcycle, and I still ride that kind of small one, in fact, after really riding it, I feel no different.

It's because it's particularly impractical, there is no way to start normally in winter, the battery life is particularly poor, and it's particularly cold.

There are two main reasons why the battery car battery is not durable:

First, the working principle factors.

The process of charging and discharging lead-acid batteries is a process of electrochemical reaction, when charging, lead sulfate forms lead oxide, and when discharged, lead oxide is reduced to lead sulfate. Lead sulfate is a very easy to crystallize substance, when the concentration of lead sulfate in the electrolytic solution in the battery is too high or the static idle time is too long, it will "hug" into a group and form small crystals, which then attract the surrounding lead sulfate, and the crystallized lead sulfate can not only be reduced to lead oxide when charging, but also precipitate and adhere to the electrode plate, resulting in a decrease in the working area of the electrode plate, this phenomenon is called vulcanization, which is often called aging. At this point, the battery capacity will gradually decrease until it becomes unusable.

2. Working environment factors.

1.Deep discharge.

The lead-acid battery used in the car is only discharged in one direction during ignition, and the generator will automatically charge the battery after ignition, without causing the battery to be deeply discharged. The electric bicycle is impossible to charge when riding, and it will often exceed 60% of the deep discharge, and when the deep discharge increases, the concentration of lead sulfate increases, and the sulfurization will be quite serious.

2.High-current discharge.

The cruising current of electric vehicles for 20 kilometers is generally 4A, which is higher than the battery working current in other fields, and the working current of overspeeding and overloaded electric vehicles is greater. Battery manufacturers have conducted cycle life tests with 70% charge at 1C and 60% discharge at 2C. After such a life test, there are many batteries that can achieve a life of 350 times of charge and discharge cycles, but the actual effect in use is far from the same.

This is because high-current operation increases the depth of discharge by 50%, and the battery accelerates vulcanization.

3.High frequency of charge and discharge.

If the battery is stopped 8 times a year, to achieve a life of 10 years, it is only necessary to achieve 80 cycles of charging life, while it is common for electric vehicles to charge and discharge more than 300 times a year.

4.Short-term charging.

Because the electric bicycle is a means of transportation, the charging time is not much, to complete the 36 volts or 48 volts of 20 ampere charging within 8 hours, it is necessary to increase the charging voltage (generally a single volt), when the charging voltage exceeds the oxygen evolution voltage (volts) or hydrogen evolution voltage (volts) of a single battery, the battery will open the valve and exhaust due to excessive oxygen evolution, resulting in water loss, increasing the concentration of electrolyte, and aggravating the sulfidation phenomenon of the battery.

5.It cannot be charged in time after discharge.

As a means of transportation, the charging and discharging of electric bicycles are completely separated, and it is difficult to have the conditions to charge in time after discharge, and a large amount of lead sulfate formed after discharge will be sulfurized into crystals if it is not charged for more than half an hour and reduced to lead oxide.

Cause of the battery The battery is old or damaged.

Summary. Hello, the electric vehicle battery voltage is normal and not durable, which is directly related to the decrease in the battery solution, most of the current electric vehicle batteries are made of lead-acid batteries, which contain distilled water as a power storage device, and are used for a long time, if the distilled water content is reduced, it will cause a gradual decline in power, even if the voltage output is normal, it will become undurable. It's a problem with the charger.

There is a standard for the current and voltage of the charger, and there is also a standard for the battery, and the corresponding current and voltage must be used accordingly.

Hello, the electric vehicle battery voltage is normal and not durable, which is directly related to the decrease in the battery solution, most of the current electric vehicle batteries are made of lead-acid batteries, which contain distilled water as a power storage device, and are used for a long time, if the distilled water content is reduced, it will cause a gradual decline in power, even if the voltage output is normal, it will become undurable. It's a problem with the charger. There is a standard for the current and voltage of the charger, and there is also a standard for the battery, and the corresponding current and voltage must be used accordingly.

Dear, if you have a 48-volt battery, then you can only use a 48-volt charger. Using a low or high voltage will damage the battery. Then it is necessary to use the kind of charger that can automatically detect whether it is fully charged, and it must be able to automatically power off the protection after being fully charged.

It is not possible to charge indefinitely all the time.

The reasons why electric vehicles are good and bad in riding are:

1. It may be because of the failure of the brake power-off device, those who know the electric vehicle know that a lot of power-off protection devices are installed at the brakes of the electric vehicle, and when the brakes appear rusty, the spring is broken, and the brake pads are damaged, etc., the brake power-off protection device will start. So the owner can try to replace the brake parts to get the electric car back to normal.

2. There is a problem with the acceleration line. The wire is divided into red, black and blue three colors, the owner can test the voltage of the three wires to accelerate the turn, if the voltage is abnormal, either there is a problem with the handle or there is a problem with the wire, the owner can choose to replace the handle or the wire according to the actual situation.

3. Motor failure of electric vehicles, which is also one of the most common faults of electric vehicles. Motor failure is also known as Hall sensor commutator failure, generally speaking, to detect motor failure is to use a multimeter to test the voltage corresponding to the wire, if it can be confirmed that there is a problem with the Hall sensor, then the solution is to replace the broken sensor.

4. Internal fault of the wiring harness of the electric vehicle. Because some wiring harnesses of electric vehicles are exposed, they will age and be oxidized and corroded over time, which will also lead to the phenomenon that electric vehicles have electricity but cannot move. Generally speaking, the additional test method of the wiring harness is to separate the outer skin of the wiring harness to see whether the inner wire is oxidized and corroded, if the inner wire is gone, then the wiring harness needs to be replaced.

Use and maintenance:

1. The height of the saddle and handlebar should be adjusted before the use of the electric bicycle to ensure the comfort of riding and reduce fatigue. The saddle and handlebar height should vary from person to person.

Generally, the height of the saddle is suitable for the rider to be able to land reliably on one foot (the whole vehicle should be basically upright), and the height of the handlebar is suitable for the rider's forearms to be flat and the shoulders and arms relaxed. However, the adjustment of the saddle and handlebar should first ensure that the insertion depth of the pipe and handlebar riser must be higher than the safety mark.

2. Check and adjust the front and rear brakes before using the electric bicycle. The front brake is controlled by the right brake handlebar, and the rear brake is controlled by the left brake handlebar. The adjustment of the front and rear brakes is suitable for reliable braking when the left and right brake handle reaches half of the stroke; The brake skin is excessively worn and should be replaced in time.

3. Check the tightness of the chain before the electric bicycle acts. If the chain is too tight, the pedals are laborious, and if they are too loose, they are easy to shake and rub against other parts. The sag of the chain is 1-2mm, and it can be properly tightened when riding without pedals.

When adjusting the chain, loosen the rear wheel nut first, adjust the tightness of the chain by evenly screwing in and out the left and right chain adjustment screws, and re-tighten the rear wheel nut.

4. Check the lubrication of the chain before using the electric bicycle. Feel and observe whether the rotation of the chain shaft is flexible, and whether the chain link is seriously corroded. If it is rusted or the rotation is not flexible, an appropriate amount of lubricating oil should be added, and the chain should be replaced in serious cases.

5. Before riding the electric bicycle, check whether the tire pressure, handlebar steering flexibility, front and rear wheel rotation flexibility, circuit, battery power, motor working conditions, lights, horns, fasteners, etc. meet the requirements of use.

Abstract Hello, I am happy to answer your questions, electric cars are very easy to ride, as long as you have ridden a bicycle and ride an electric car, it is not difficult! Electric bikes and bikes are far away from the same! It's just an extra electric handlebar!

If you go out on your way to work, pay attention to traffic safety, and it's no problem. It is not difficult to learn an electric bicycle, and the principle is basically the same as that of a bicycle. It's just one more electric target than a bicycle.

Very well controlled, as well as electric motorcycles, electric scooters, etc., are easy to learn. The last sentence of the above sentence is no problem if you are on the way to work, going out to run errands, going out to buy things, paying attention to traffic safety and traffic rules.

Electric cars are not easy to ride.

Hello, I have seen your question and am sorting out the answer, please wait for a while Hello, I am happy to answer your questions, electric cars are very easy to ride, as long as you have ridden a bicycle and ride an electric car, it is not difficult! Electric bikes and bikes are far away from the same! It's just an extra electric handlebar!

If you go out on your way to work, pay attention to traffic safety, and it's no problem. It is not difficult to learn an electric bicycle, and the principle is basically the same as that of a bicycle. It's just one more electric target than a bicycle.

Very well controlled, as well as electric motorcycles, electric scooters, etc., are easy to learn. The last sentence of the above sentence is no problem if you are on the way to work, going out to run errands, going out to buy things, paying attention to traffic safety and traffic rules.

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