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Flywheel low-temperature welding vacuum seal device

A low-temperature welding and vacuum sealing technology, applied in the field of flywheel system, can solve problems such as performance degradation of electronic components, deformation of flywheel structure size, inconvenient high-temperature sealing method, etc., and achieve the effect of less outgassing, good sealing performance and simple structure

Active Publication Date: 2014-01-22
BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

High temperature melting welding Excessive welding temperature will lead to deformation of the flywheel structure, material performance and internal electronic components performance degradation or damage
In addition, the high-temperature welding seal has the disadvantage of non-repeatable welding, and the two contact bodies cannot be disassembled after welding.
In the process of product development, the flywheel system needs to be disassembled / assembled frequently, debugged and performance tested, and the high temperature sealing method is inconvenient

Method used

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  • Flywheel low-temperature welding vacuum seal device

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specific Embodiment approach

[0021] The preferred embodiment of the flywheel low-temperature welding vacuum sealing device of the present invention is:

[0022] Including a flywheel system including a stator mandrel, a flywheel rotor and a flywheel base, and a sealing system;

[0023] The sealing system includes: a sealing ring, a sealing cover, a sealing tape, a lower solder ring and an upper solder ring;

[0024] The sealing cover is buckled on the flywheel rotor, the stator mandrel is located on the radial inner side of the flywheel rotor, its lower end is fixed on the flywheel base, and its upper end is connected to the sealing cover;

[0025] The sealing ring is arranged between the edge of the flywheel base and the lower edge of the sealing cover, and the lower end and the upper end of the sealing ring are respectively connected to the edge of the flywheel base and the lower edge of the sealing cover. edge connection, the sealing band is located on the radially outer side of the flywheel base, the ...

specific Embodiment

[0040] Such as figure 1As shown, the present invention is mainly made up of flywheel system and sealing system, and wherein flywheel system comprises: stator mandrel 1, flywheel rotor 2 and flywheel base 3; ring 7A and upper solder ring 7B; the stator mandrel 1 is located on the radial inner side of the flywheel rotor 2, and is fixed on the flywheel base 3 by screws, the sealing ring 4 is located between the flywheel base 3 and the sealing cover 5, and the lower end of the sealing ring 4 stops The mouth and the upper end spigot are respectively connected with the flywheel base 3 and the sealing cover 5, the external thread of the upper end of the stator mandrel 1 is connected with the internal thread of the sealing cover 5, and the sealing belt 6 is located on the radial outside of the flywheel base 3, the sealing ring 4 and the sealing cover 5 , and the centers of the sealing band 6 and the sealing ring 4 are in the same plane, the lower solder ring 7A is melted on the lower ...

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Abstract

The invention discloses a flywheel low-temperature welding vacuum seal device which comprises a flywheel system and a seal system. The flywheel system comprises a stator mandrel, a flywheel rotor and a flywheel base. The seal system comprises a seal ring, a seal cover, a seal strip, a lower welding tin ring and an upper welding tin ring. The seal cover is fastened to the flywheel rotor. The stator mandrel is located on the radial inner side of the flywheel rotor. The lower end of the stator mandrel is fixed on the flywheel base, and the upper end thereof is connected with the seal cover. The flywheel base is connected with the seal cover through the seal ring. The flywheel base is welded with the seal cover by low-temperature welding through the seal strip, the lower welding tin ring and the upper welding tin ring. The flywheel low-temperature welding vacuum seal device is capable of being unsealed for multiple times, good in airtightness, low in gas discharge, simple in structure, reliable in performance, and applicable to vacuum seal protection of attitude control flywheels and energy accumulation flywheels, and a high-vacuum-degree working environment is provided for the flywheel system.

Description

technical field [0001] The invention relates to a flywheel system, in particular to a low-temperature welding vacuum sealing device for a flywheel. Background technique [0002] The flywheel system uses the motor to drive the flywheel rotor supported by the bearing to rotate, and the angular momentum is changed by controlling the rotor speed, and then the required control torque is generated to accurately control the attitude of the spacecraft. The flywheel can not only work in the reaction state, it can be used as a reaction flywheel; it can also work in the bias state, it can be used as a bias momentum wheel; further increase the speed, it can also be used as a dual-purpose flywheel for attitude control and energy storage. The maglev flywheel with full active control of five degrees of freedom can also be used as a gyro flywheel, which can output instantaneous large control torque. If the flywheel rotor with large moment of inertia is made of high-strength carbon fiber ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/06F16F15/30
Inventor 刘强房建成徐宝东叶郭波孙兴周云贵张磊
Owner BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY
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