A cooling and sealing system for a magnetic levitation flywheel energy storage device

Abstract

The invention discloses a cooling sealing system for a magnetic levitation flywheel energy storage device. The system comprises a base, a housing and a top cover, an upper end surface and a lower endsurface of the housing are respectively connected with the top cover and the base through bolts, and an air valve communicating with the internal part of the housing is welded on the top surface of the top cover. According to the cooling sealing system, cooling liquid is injected into the internal part of a support frame and an upper heat radiation plate through external connection of a circulation pump so that a motor / generator stator is cooled, the temperature difference is converted to electric energy by employing a first temperature difference generating plate and a second temperature difference generating plate, and in this way, the temperature difference is converted to the electric energy in the condition of guaranteeing internal stability of the magnetic levitation flywheel energystorage device, and excessive energy loss is avoided; besides, impurities in the housing are adsorbed through an electrostatic adsorption screen, collected through exhaust strip holes, and dischargedoutwardly so that it can be guaranteed that an energy storage flywheel avoids surface damage due to collision with the impurities in a high-speed rotation process, and the stability of high-speed rotation of the energy storage flywheel is not influenced.

Description

technical field [0001] The invention relates to the technical field of magnetic levitation flywheel energy storage, in particular to a cooling and sealing system for a magnetic levitation flywheel energy storage device. Background technique [0002] Magnetic levitation flywheel energy storage refers to an energy storage flywheel supported by magnetic levitation bearings. The friction loss of traditional mechanical bearing support is relatively large, and the energy loss of the flywheel energy storage system using mechanical bearings will be very large during the energy storage process. The flywheel is supported by magnetic suspension bearings, and the bearing pair does not directly contact, so the operation of the bearing is stable, there is basically no wear in the operation process, and the working life of the bearing is long. Since the magnetic suspension bearing has no direct contact surface, there is no need for lubrication and lubricating medium, which avoids environm...

AI Technical Summary

Problems solved by technology

[0003] During the use of the existing magnetic levitation flywheel energy storage device, since the coil inside the motor / generator stator has current passing through it, and the coil of the motor / generator stator itself has a certain resistance, it should make the motor / generator stator easy to heat up , this will affect the vacuum environment inside the maglev energy storage device, and during the actual use of the maglev flywheel energy storage device, the energy storage flywheel rotates at high speed, and the dust attached to its surface and itself will collapse under the action of centrifugal force. If the dust is not controlled, it will collide with the energy storage flywheel, thus affecting the service life of the energy storage flywheel

Images