Magnetic suspension flywheel energy storage device and fault diagnosis method thereof
A flywheel energy storage and fault diagnosis technology, which is applied to electromechanical devices, control mechanical energy, electrical components, etc., can solve problems such as failure diagnosis performance of flywheel energy storage devices, and achieve improved energy utilization, reduced friction loss, and accuracy high effect
Active Publication Date: 2015-02-25
哈尔滨天宝石墨科技发展有限公司
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[0005] The patent application number is: CN201110310173.X, the patent named "Magnetic Suspension Flywheel Energy Storage Device" provides a magnetic levitation flywheel energy storage device with compact structure, high specific energy density and discharge depth. The device is equipped with radial and The axial magnetic suspension bearing, the radial magnetic suspension bearing is a radial hybrid cone bearing, but the patent also does not consider the fault diagnosis performance of the flywheel energy storage device
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[0028] The present invention is described in more detail below in conjunction with accompanying drawing example:
[0029] combine Figure 1~3 The flywheel energy storage device of the present invention consists of a sealed cabin body 1, a flywheel shaft 2, an upper mechanical bearing 3, an axial magnetic bearing 4, a flywheel 5, an integrated motor generator 6, an accelerometer 7 of an integrated motor generator, and an integrated motor generator Temperature sensor 8, lower mechanical bearing 9, sealing joint 10, connecting cable 11, magnetoelectric speed sensor 12, magnetoelectric displacement sensor 13, upper bearing temperature sensor 14, upper mechanical bearing accelerometer 15, axial magnetic bearing temperature sensor 16, The lower bearing temperature sensor 17 and the lower mechanical bearing accelerometer 18 are composed.
[0030] The sealed cabin body 1 seals the flywheel energy storage device into a low vacuum state, the flywheel shaft 2 is located on the vertical ...
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The invention aims at providing a magnetic suspension flywheel energy storage device and a fault diagnosis method thereof. The magnetic suspension flywheel energy storage device comprises an enclosed cabin and a flywheel installed in the enclosed cabin, an upper mechanical bearing base and a lower mechanical bearing base are arranged in the enclosed cabin, an upper mechanical bearing is installed in the upper mechanical bearing base, a lower mechanical bearing is installed on the lower mechanical bearing base, the flywheel is installed on the upper mechanical bearing and the lower mechanical bearing through a flywheel shaft of the flywheel, an axial magnetic bearing is installed between the upper mechanical bearing and the flywheel, and an electric power generation integrated machine is installed between the lower mechanical bearing and the flywheel. The magnetic suspension flywheel energy storage device is provided with multi-component real-time fault diagnosis capacity, the fault diagnosis method based on information fusion is high in accuracy, energy consumption is low in an operation process, and the magnetic suspension flywheel energy storage device has passive fault tolerant ability.
Description
technical field [0001] The invention relates to a flywheel energy storage device and a fault diagnosis method for the flywheel energy storage device. Background technique [0002] At present, due to the deterioration of the natural environment, energy and the environment have become a major issue facing mankind today, and energy storage and reuse have attracted widespread attention from all over the world. In this context, modern flywheel energy storage, known for its high energy conversion efficiency, long life, green environmental protection, high energy storage density, fast response speed, and low charge-discharge cycle cost, has entered a period of rapid development. [0003] Flywheel energy storage is a technology that converts electrical energy, rotational energy, and braking energy into rotational kinetic energy of the flywheel for storage, uses motors and generators to exchange kinetic energy and electrical energy, and uses power controllers to realize speed-up char...
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IPC IPC(8): H02K7/02G01M13/04
CPCY02E60/16
Inventor 杨立平韩永杰藤万庆
Owner 哈尔滨天宝石墨科技发展有限公司