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Why is the music fountain so rhythmic under the music organization of the fountain company
Release time：
2023-12-29 11:38:33
A fountain is a combination of water that is sprayed through a nozzle under a certain pressure and has a specific shape. Nowadays, fountains are generally artificial landscape fountains that rely entirely on fountain equipment. The main method is to achieve rhythm and rhythm through the control of a frequency converter. The water shape in the music fountain is rich, and combined with lighting, it gives people a real and intuitive beauty. The various swings in the music fountain can make people feel the soft beauty of the fountain. The emergence of radial swaying is due to the installation of a swaying mechanism under the water surface, which makes the water scenery beautiful and attractive, giving people a magical feeling, and is a manifestation of the development of high-tech in the era.
The changes in the position and movement speed of a swinging fountain are important factors in producing a swaying water style and cool breeze. The position sensor of the fountain swing mechanism should be a waterproof non-contact positioning device. We often use Hall sensors induced by magnets, photoelectric sensors guided by optical fibers, or rotary position encoders attracted by magnets. For example, for a fountain swing mechanism using a position encoder, the positioning device includes a position encoder installed on the swing motor shaft, a high-speed counter, a control computer, and a communication interface. Due to the large clearance of the connecting rod of the swing mechanism, in order to achieve precise positioning, the swing mechanism can only reach the positioning point from one direction to ensure its repeated accuracy. Therefore, when the swinging mechanism needs to stop, it must always reach the positioning point from one direction.|
The positioning accuracy of the swinging mechanism is affected by the motion torque and resistance torque. The motion torque is determined by the power supply voltage of the motor and the motion speed before stopping, while the resistance torque is composed of the friction force of the swinging mechanism, the speed of water flow, and the surrounding wind force. It can be seen that these are factors that cannot be determined in advance. So, in order to achieve precise positioning, we must change its control parameters every time. There are generally two control parameters for precise positioning using electric motor energy consumption braking, namely the magnitude of DC braking current and the starting braking time. A more convenient way for computer control is to change the braking time. In the control system, the braking time of the electric motor can be corrected by detecting the deviation of the positioning point. Based on the statistical data of the positioning deviation value of the swing mechanism, the braking time is finally determined through mathematical model calculation.
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