The difference between foot brake and hand brake

The difference between foot brake and hand brake is different tires, different braking principles, different braking forces and different application scenarios.

1, hand brake and foot brake have different functions. Foot brake is generally four-wheel brake, and hand brake is rear wheel brake.

2. The principle of braking is different. The foot brake distributes oil to the four-wheel brake cylinder by using the master brake cylinder, and slows down or stops the vehicle through the friction between the brake pad and the brake disc. The hand brake uses the connection between the steel wire rope and the rear wheel, so that the steel wire rope controls the wheel and achieves the effect of vehicle braking.

3. The braking force is different. The braking force of the foot brake will be greater than that of the hand brake, and the foot brake will be equipped with safety configuration, such as brake priority. , and the hand brake is not equipped with safety configuration.

4. Different usage scenarios. In general, the driver will use the foot brake to brake or slow down the vehicle during driving. The handbrake is used to prevent the vehicle from slipping after parking.

Principle of automobile braking system

The working principle of the braking system is to generate huge friction and convert the kinetic energy of the vehicle into heat energy. As we all know, energy will neither be produced out of thin air nor disappear out of thin air. It can only be transformed from one form to another, or transferred from one object to another. In the process of transformation or transfer, the total energy remains unchanged. In the process of acceleration, the automobile converts chemical energy into heat energy and kinetic energy, and when braking, the braking system converts kinetic energy into heat energy and radiates it into the air.

It may take 10 second for a car to accelerate from a standstill to 100 km/h, and it may only take XX seconds to brake from 100 km/h to a standstill, which shows that the braking system is under huge load. On the other hand, if you want to experience the acceleration pleasure of a super sports car, you can also use an ordinary family car, but you need to sit in reverse and experience it when braking suddenly.