In 2020, it is undoubtedly a new year of new energy vehicles accelerated. Whether it is a pure electric car or a plug-in mixed car, or non-plug-in hybrid vehicle is accepted by the market with the conventional speed.
The first weight: increased inclusion
Due to the power assembly of the vehicle, the conventional engine gearbox is replaced by the battery, electronically controlled, and the motor. It seems to be reduced, but the actual vehicle is indeed realized, the same size of pure electric cars and fuel vehicles, the former should weigh at least 300kg, usually 2 tons of freshest fuel vehicles (non-carry Except for large-scale off-road vehicles of the body), but it is generally in the electric vehicle.
On the other hand, the torque characteristics of the motor have the essence of the internal combustion engine. The torque curve of the natural intake internal combustion engine rises from zero start, the maximum speed of the torque at 60%, but the motor can reach the 90% output of the torque at 10 percent, which means the peak of the electric vehicle. Torque is much more early, especially in the starting stage, a large chance of large torque.
So the combination of two-level factors, we can use a simple Newton’s second law rate to imagine how big it will be made to the challenge to the tire. According to Newton’s second law: force (f) = mass (m) Times; acceleration (a). The quality of this can be understood as a vehicle weight, and the acceleration can be understood as torque. At the same time, the frictional resistance of the ground is not changed, it means that the tire should be started from stationary to the high speed acceleration stage. Bearing several times and even dozens of increases. Therefore, whether it can resist the pressure of increasing increments, is the first test of new energy automobile tires. And this will be broken down into, whether the tire is strong enough to support the vehicle, the other partyThe surface is under the instant torque, whether the grip force of the tire can be sufficient, especially when the static friction is started.
Second weight: energy saving and mute 
pure electric cars, there is a very sensitive indicator requirement for the endless line, so it can be exhausted from the perspective of the tire It may reduce the rolling resistance and the battery life of the vehicle is a very important indicator.
German horse brand R & D Tire noise reduction technology ContisilentTM reduces the tires to reduce the inner noise
In addition, compared to fuel Automobile, electric car electric drive system noise is small, and the tire noise is more obvious. Therefore, the design of electric vehicle tires requires more
The tire industry has a “devil triangle” theory refers to the three indicators of the tire, namely rolling resistance, wear resistance and moisture and humidity. These three indicators are relatively balanced. If there is a change in an indicator, the other two will change. For example, if the rolling resistance of a tire is small, then its wear resistance will increase, but its anti-wet slip will decrease. The result of this is that the fuel economy in the vehicle will exceon, but it will decrease in handling and security.
So in this seemingly contradictory performance requirement, on the tire of electric vehicle, the rubber formulation, tire high and grewmost ratio, tire volume, tread material, tread Floral design lays new challenges. Use technology methods to solve these seemingly contradictory needs.
Third generation changes: sensor 
In the future, the entire neuronal system of electric vehicles achieve intelligence, including tires. Evolution of electron electrical architecture has proposed a demand for increasing internal sensors for tires.
According to the current direction, these sensors can sense the road condition, for example, calculate the time and force of the brake depending on the smoothness of the road surface.Judging whether the tire is liable and the road condition through the sound of the tire and the ground. Therefore, electric car tires are no longer a normal tire, but intelligent tires, especially in high-performance electric vehicles.
Realistic unsubalypse and resolution
So, in strict meanings, the real market is completely specialized in electric vehicles. The tire is a phoenix corner (some enterprises have introduced tires optimizing static friction, mute performance, called pure electric special tires, but does not include new sensors).
But this does not mean that pure electric cars lack good tire selection. Several clues can be seen from several popular pure electric vehicles recently launched. Polestar2 is a SC6 series of horse-brand tires, Mercedes-Benz EQA uses EC6, and the ET7 is SC6. Look at the new energy products such as BYD, Guangqi, Chang’an and other enterprises, and a water is the body of the head brand. Therefore, we can find the mystery through the choice of car enterprises, and the change of electric vehicles is increasing, or the high-performance tires used in fuel economy and the high-performance tires used in fuel vehicles. From the level of use, as long as the consumer chooses a large brand of high-performance tires, it can cope with the change in the pure electric vehicle. 
Of course, as a exclusive tire facing pure electric car, only the driving quality is still insufficient. of. Master BAO believes that when the tire can be connected to the neural network of the vehicle, the road conditions are accurately determined by the sensor and the cloud, and the energy consumption is accurately measured, and the wear of the tire is real-time, which has such an ability Intelligent electric vehicle special tires match. Fortunately, the heads such as hips have long been launched, which is actively promoting the landing of future tires, and the technological innovation will undoubtedly, the popularity of smart electric vehicles will undoubtedly give intelligent electric vehicles. Bringing a great boost.