How a washing machine’s spin cycle works

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Behind the washing machine dehydration, is the close combination of physical principles and engineering design. Today, we reveal the secrets of washing machine dehydration.

1.The action of centrifugal force

When the washing machine dehydrates, the drum rotates at high speed. At this point, the clothing and water droplets together in a circular motion. The quality of the water drop is small, and the centrifugal force is obvious in the process of rotation. The direction of the centrifugal force points to the outside of the drum, pushing the water droplets toward the drum wall. As the drum continues to rotate, water droplets are constantly being squeezed near the drum wall. There are many small holes on the wall of the roller. Under the continuous action of the centrifugal force, the water droplets leave the clothes through these small holes, so as to realize the separation from the clothes. This is the basic principle of centrifugal dehydration, is the key to the realization of washing machine dehydration physical process.

2.Design of inner cylinder

The water drops escape from the clothing and enter the inner cylinder. The design of the inner cylinder is critical and the size, shape and arrangement of the internal holes are carefully considered. Small hole size to moderate, both to ensure the smooth passage of water droplets, but also to prevent clothing fiber drilling, avoid damage to clothing. The arrangement of the holes should be uniform to ensure the effective discharge of water in all directions and improve the dehydration efficiency. The material and shape of the inner cylinder are also specially designed. The material should be strong and durable, able to withstand the huge centrifugal force generated by high-speed rotation. In shape, the inner cylinder is usually designed with a certain radian, which helps to distribute the clothing evenly during rotation. When the clothes are evenly distributed on the inner drum, the rotating instability of the drum can be avoided, the vibration and noise of the machine are reduced, and the service life of the washing machine is prolonged.

3.Drainage system

After passing through the small hole in the inner cylinder, water drops enter the drainage system. The drainage system is mainly composed of drainage pump and drainage pipe. The drainage pump is the power source of the drainage system. When the dewatering process starts, the drainage pump starts to work and produces a strong suction. Under the action of suction, water droplets quickly rushed to the drain hole, and then discharged through the drain pipe washing machine. The layout of the drainage pipe, the size of the pipe diameter and the power of the drainage pump should be accurately matched. Reasonable layout can ensure that the flow unimpeded, avoid the emergence of water or backflow phenomenon. Pipe size according to the displacement of the washing machine design, too small will lead to poor drainage, too large may affect the efficiency of the drainage pump. The power of the drainage pump should be large enough to provide enough suction to ensure the rapid discharge of water droplets and improve the dewatering efficiency.

4.Balance regulation system

The balance adjustment system plays a key role in the dewatering process of washing machine. When the drum rotates at high speed, even if the clothing appears to be evenly placed, there may be minor imbalances. This tiny imbalance is magnified by high-speed rotation, causing a series of problems. It will lead to drum rotation instability, violent vibration, not only will produce a lot of noise, but also may cause damage to the parts of the washing machine, affect the life of the machine. The balance adjustment system monitors the rotation state of the drum in real time through high-precision sensors. As soon as an imbalance is detected, the system immediately adjusts the motor speed or changes the direction of water flow. By adjusting the speed of the motor, the rotating torque of the drum can be changed to make the drum reach a balanced state again. Changing the direction of the water flow can adjust the distribution of the clothes, eliminate the unbalanced factors, and ensure that the drum rotates stably all the time, ensure the dehydration process to proceed smoothly.

5.Intelligent control system

The intelligent control system automatically adjusts the dehydration time, speed and temperature according to the weight, material, humidity of the clothes and the dehydration mode set by the user. Through the built-in weight sensor, the intelligent control system can accurately sense the weight of the clothing, so as to determine the appropriate dehydration time and speed. For lighter clothing, the dehydration time can be relatively short, and the speed can be appropriately reduced to save energy and time; for heavier clothing, it is necessary to extend the dehydration time and increase the speed, make sure you’re fully dehydrated. Different materials of clothing require different levels of dehydration. The intelligent control system can identify clothing materials, such as cotton, chemical fiber, silk, etc. , and automatically adjust the dehydration parameters. In addition, the intelligent control system can adjust the dehydration process in real time according to the humidity of the clothes. At the beginning of dehydration, when the clothing humidity is high, the system will quickly remove most of the water at a high speed. As the dehydration progresses, the clothing humidity gradually decreases, and the system will automatically reduce the speed of rotation, avoid clothing damage due to excessive dehydration.

Conclusion

Washing machine dehydration, is the perfect combination of physical principles and engineering design. From the action of centrifugal force to make water droplets from clothing, to the design of the inner cylinder to achieve efficient drainage and clothing protection, from the rapid discharge of water in the drainage system to the balance adjustment system to ensure stable operation; Then to the intelligent control system precision control dehydration process, each link embodies the power of science and Technology and human wisdom.