LED Magnetic Levitation Floating Globe ( M005B-22 )

Magnetic levitation globe
The magnetic levitation globe is a globe using magnetic levitation technology.

Suspension principle:

The maglev globe uses the magnetic effect of electric current to make the globe float in mid-air. There is a magnet at the top of the globe, and a metal coil at the top of the circular plastic frame. The metal coil becomes an electromagnet when an electric current is passed through it.

The attractive force between the electromagnet and the magnet on the top of the globe can counteract the gravity of the globe, so the globe can float in mid-air. Gently touch the globe with your hand to make it deviate from the balance position.

After the hand is removed, the globe can still return to the balance position without falling. This is by using a negative feedback mechanism.
There is also a magnet at the bottom of the globe.

There is a Hall detector at the bottom of the plastic frame, which can detect the magnetic field change of the magnet at the bottom of the globe. When the globe deviates from the equilibrium position, the Hall detector detects the change in the magnetic field of the magnet at the bottom of the globe and generates a compensation current.

When the compensation current flows to the metal coil at the top of the plastic frame, the magnetic field of the metal coil increases, which can pull the globe back to the equilibrium position. The globe can continue to rotate by turning it slightly, which can be explained by the principle of inertia (in a little more detail, according to the principle of conservation of momentum). The sum of the external forces on the globe is zero, so it rotates in a fixed direction at a fixed rate.

More colors for the floating globe:

  Dark blue color:

light blue globe:

Star globe:

Gold globe:

Specification:

The common globes on the market mainly include paper globes, all-plastic globes, resin three-dimensional globes, gem globes, solid wood globes, maglev globes, and classical craft globes, while maglev globes are mainly made of plastic, with a product size of 8cm to 15cm and a weight of less than 400g. However, the size of many manufacturers has reached more than 20cm, and the weight has exceeded one kilogram.

How to use a floating globe:

operating levitating devices requires a lot of patience and practice at first. If this is your first time using magnetic levitation products, you may need to attempt a few times first before succeeding. However, once you succeed, it only gets easier!

First: plug the model body into the power supply, but the model body is on it, and make sure that the model body is not touched by force (otherwise it will cause damage to the base of the sphere). Place the ball and base on a flat, nonmetallic surface. Connect the AC Adapter to the power, and the other DC plug to the base.

Second: With two hands, hold the ball above the center of the base and slowly put the ball down towards the base. When you feel resistance, adjust the ball until you feel a gentle release. Keep the ball stable for a few seconds.

Third:  Once you feel that the ball is almost balanced in mid-air (not falling down or being pushed up), slowly let go until the ball begins to rotate by itself. If you don’t succeed, try again. It may take a few tries at first! If still unsuccessful, turn off the base and let it cool before trying again.

During the operation process of the first-time user, if the floating globe cannot be suspended immediately due to the inability to operate correctly and skillfully, the test release of the globe should not exceed 5 minutes.

If the globe cannot be placed after 5 minutes, please unplug the power supply and rest for half an hour before retrying. (Due to the fact that the suspension system will generate a relatively large instantaneous current during the placement of the floating globe, if it is not operated correctly for a long time, the system will form overheat protection, so the base should feel a little hot at this time, and it should be cooled after the system heat. operate).