Carousel: A Mechanical Poem of Childhood Dreams

1、 Core Mechanical Structure: Precise Symphony of Rotation and Fluctuations
1. Power center
-Variable frequency motor system: Modern carousels use IP55 protection level three-phase asynchronous motors with a power range of 5.5-18.5kW, achieving a speed accuracy of 0.1r/min through vector control;
-Planetary gear reducer: Reduce the output of the 3000r/min motor to 2-10r/min, amplify the torque by more than 200 times, and ensure smooth start stop when the load is 3 tons.

2. Transmission architecture
-Hollow rotating platform: The base with a diameter of 8 meters is made of 42CrMo alloy steel, and the internal integrated slip ring power supply system avoids cable entanglement;
-Crank connecting rod mechanism: converts rotational motion into 4-8cm ups and downs of the wooden horse, using 304 stainless steel eccentric wheels and polyurethane shock absorber kit.

3. Dynamic balance algorithm
-A load sensing system based on STM32 microcontroller monitors real-time data from 20 pressure sensors, automatically adjusts the position of the counterweight, and ensures that the center of gravity offset is less than 0.5 °.

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2、 Security Control System: Technology Armor for Guarding Children's Innocence
1. Redundant braking design
-Main brake: Electromagnetic power-off brake response time ≤ 0.2 seconds, braking distance<1/3 of the circumference;
-Emergency module: Hydraulic disc assisted braking+mechanical ratchet locking dual backup, in compliance with GB8408-2018 amusement equipment safety standards.

2. Intelligent protection network
-Millimeter wave radar scans obstacles within 2 meters in real-time, triggering deceleration or emergency stop;
-The ultraviolet disinfection robot automatically cruises every 2 hours and inactivates 99.9% of pathogens on the handle and saddle.

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3、 A Century long Dialogue between Art and Engineering
1. Steam Age (1880-1920)
-The first steam powered wooden horse from Stoehr, Germany, uses a coal-fired boiler to drive a cast iron flywheel, with a daily coal consumption of 200kg;
-The wooden carved horse body is made of oak and walnut wood, and it takes 10 craftsmen 3 months to complete the carving and coloring.

2. Electrification Revolution (1950-2000)
-The introduction of Siemens G120 frequency converter achieves continuously variable transmission and reduces energy consumption by 60%;
-The popularity of fiberglass material has reduced the molding time of individual molds from 30 days to 72 hours.

3. The era of intelligence (2010 present)
-Digital twin system: Simulate stress distribution under 20 extreme working conditions using ANSYS;
-Augmented reality interaction: Wearing AR glasses can trigger virtual fireworks, elf flying, and other scenes.

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4、 Future Evolution Direction: Sustainable and Immersive Refactoring
1. New energy drive
-During the experimental phase, the photovoltaic ceiling and supercapacitor energy storage solution will achieve 100% energy self-sufficiency under sunny conditions;
-Magnetic levitation bearing technology can reduce friction losses by 97% and extend the theoretical maintenance free period to 10 years.

2. Multimodal interaction
-Tactile feedback saddle: Simulate motion modes such as galloping and strolling based on changes in rotational speed;
-Odor generator: Release the scent of green grass and ocean to enhance the immersion of the scene.