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flywheel energy storage device

A flywheel energy storage, flywheel technology, applied in electromechanical devices, control mechanical energy, electrical components and other directions, can solve problems such as the difficulty of motor heat dissipation, and achieve the effect of facilitating customization requirements, reducing energy loss, and reducing performance requirements

Active Publication Date: 2020-11-06
BEIJING HONGHUI INT ENERGY TECH DEV CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a flywheel energy storage device to alleviate the technical problem of the motor heat dissipation difficulty in the flywheel energy storage system in the prior art

Method used

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Embodiment Construction

[0034] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0035] In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplified descriptions, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, a...

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Abstract

The invention relates to the technical field of energy storage equipment and particularly relates to a flywheel energy storage device which comprises a motor, a first connecting assembly, a second connecting assembly, a flywheel and a vacuum box body. A rotating shaft of the motor is in transmission connection with the first connecting assembly, and the rotating shaft and the first connecting assembly are positioned outside the vacuum box body. The second connecting assembly and the flywheel are in transmission connection and are both located in the vacuum box body. The first connecting assembly and the second connecting assembly are oppositely arranged and can transmit torque to each other, and the vacuum box body and the motor are oppositely and fixedly arranged. The flywheel energy storage device provided by the invention has high energy storage efficiency, the problem that the motor is difficult to dissipate heat in a vacuum environment is relieved, the requirements for the performance of the motor can be reduced, the improvement of the energy storage capacity of the flywheel is facilitated, and also the meeting of customization demands is facilitated.

Description

technical field [0001] The invention relates to the technical field of energy storage equipment, in particular to a flywheel energy storage device. Background technique [0002] The flywheel energy storage system is a high-efficiency energy-saving inertial energy storage device, which uses an ultra-high-speed rotating flywheel to store energy, and realizes the mutual conversion of mechanical energy and electrical energy through an electromechanical energy conversion device. Based on its high specific energy, high specific power, high conversion efficiency between electrical energy and mechanical energy, fast charging, maintenance-free, and good performance-price ratio, it is widely used in electric vehicles, aerospace, power grid peak regulation, and wind power. Uninterrupted power supply of power generation systems and military fields have broad application prospects. [0003] However, in order to realize torque transmission, the flywheel rotor in the existing flywheel ene...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K7/02H02K49/00
CPCH02K7/025H02K49/00Y02E60/16
Inventor 彭龙王佳良李光军汪大春
Owner BEIJING HONGHUI INT ENERGY TECH DEV CO LTD
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