A pyramid-shaped four-axis micro-nano flywheel structure

A flywheel and micro-nano technology, applied in the direction of magnetic circuit shape/style/structure, aircraft, aerospace aircraft, etc., to achieve long life, reduce the number of parts, and reduce costs

Active Publication Date: 2021-02-09
BEIJING INST OF CONTROL ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the field of micro-nano satellite engineering, the problem of mechanism redundancy and flywheel structure is not mentioned in the above patents

Method used

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  • A pyramid-shaped four-axis micro-nano flywheel structure
  • A pyramid-shaped four-axis micro-nano flywheel structure
  • A pyramid-shaped four-axis micro-nano flywheel structure

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Embodiment Construction

[0031] The flywheel is the main actuator of the spacecraft, and the torque output by the change of its speed can maintain the stability of the attitude of the spacecraft or realize the attitude control of the spacecraft. With the development of micro-nano-satellite engineering, higher requirements are put forward for the maneuverability of micro-nano-satellites. In order to meet the above requirements, it is necessary to realize the mechanical redundancy of the micro-nano flywheel. The redundant flywheel configuration can not only make the system have greater maneuverability, but also provide torque in any direction when some micro-nano flywheels fail. This micro-nano flywheel structure problem directly affects the application of micro-nano satellites and needs to be solved urgently. The invention solves the mechanism redundancy problem of the micro-nano flywheel.

[0032] Such as figure 1 , 2 , 3, and 4 show a schematic diagram of the flywheel structure of the present inve...

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PUM

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Abstract

The invention relates to a four-axis micro-nano flywheel structure in a pyramid configuration. The four micro-nano flywheels are respectively installed on the base of the combined machine through their first brackets to form a pyramid configuration. The angular momentum of the micro-nano flywheels is normal The included angle with the normal line of the mounting surface can be set arbitrarily according to the needs; the four micro-nano flywheels are covered by the sealing cover; the four-way COTS device driving circuits are integrated on one circuit board, and the external electrical interface is realized by a connector, which simplifies the structure , reducing costs. The driving circuit is placed in the non-sealed cavity on the other side of the vacuum sealed cavity, and the radiation protection is realized by the cover plate, which improves the heat dissipation condition. In addition, this structure also reduces the volume and weight; the whole machine is a cuboid structure, and the four micro-nano flywheels realize the mechanical interface with the whole star through the base of the whole machine, which simplifies the installation method and is easy to use; the bearing assembly consists of a pair of bearings Expanding realizes outer ring or inner ring rotation, which reduces the number of parts and simplifies the assembly structure.

Description

technical field [0001] The invention relates to a flywheel structure, in particular to a pyramid-shaped four-axis micro-nano flywheel structure for spacecraft. Background technique [0002] As the main actuator of the spacecraft, the flywheel maintains the stability of the attitude of the spacecraft or realizes the attitude control of the spacecraft through the torque output by its rotational speed change. The patent titled a new type of three-axis integrated micro-flywheel (patent number CN104158340A) and the patent titled three-axis integrated micro-flywheel structure (patent number CN107380486A) mainly relate to the three-axis integrated micro-flywheel structure. [0003] With the development of micro-nano-satellite engineering, higher requirements are put forward for the maneuverability of micro-nano-satellites. In order to meet the above requirements, it is necessary to realize the mechanical redundancy of the micro-nano flywheel. The redundant flywheel configuration c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64G1/28H02K1/18H02K5/16H02K7/00
CPCB64G1/285H02K1/18H02K5/16H02K7/003
Inventor 齐明武登云周宁宁杨磊张鹏波张绍卫李刚周刚杨屹来林陈辰刘占东路宏韩甜甜
Owner BEIJING INST OF CONTROL ENG
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