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A symmetrical pendulum type micro-thrust measuring device

A measurement device and thrust technology, applied in the field of micro-satellites, can solve the problems of low measurement accuracy and achieve the effects of high data collection frequency, strong anti-environmental interference ability, and simple structure

Active Publication Date: 2021-12-07
SHANGHAI XINLI POWER EQUIP RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its displacement sensor is in contact with the target mounting block, which is easily disturbed by environmental vibration, and the measurement accuracy is not high

Method used

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  • A symmetrical pendulum type micro-thrust measuring device
  • A symmetrical pendulum type micro-thrust measuring device
  • A symmetrical pendulum type micro-thrust measuring device

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Embodiment Construction

[0033] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure will be more thoroughly understood, and will fully convey the scope of the present disclosure to those skilled in the art. It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict. The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0034] figure 1 It is a structural schematic diagram of a symmetrical pendulum micro-thrust measuring device prov...

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Abstract

The invention discloses a symmetrical pendulum type micro-thrust measuring device, comprising: a first support frame, a second support frame, a first bearing, a second bearing, a support rod, a first bearing cover, a second bearing cover, and a first swing arm , a second swing arm, a first chassis, a second chassis, a first connecting piece, a second connecting piece and a high-speed camera. The invention has the characteristics of simple structure, concise calculation, small system error, strong anti-environment interference ability, high measurement accuracy, and is suitable for thrust measurement of thrusters with small thrust-to-weight ratio.

Description

technical field [0001] The invention belongs to the technical field of micro-satellites, in particular to a symmetrical pendulum type micro-thrust measuring device. Background technique [0002] Microsatellites have the characteristics of short development cycle, small quality, and low cost. Both domestic and foreign countries have been committed to the launch and networking of microsatellites. The micro-thrust of the thruster is measured. On the one hand, the precise measurement of tiny thrust needs to solve the problem of very small thrust-to-weight ratio of the thruster, such as the thrust produced by a kilogram-level thruster is millinewton level; The ground vibration, etc., can submerge the tiny thrust. [0003] Patent CN 107091705 A discloses a single-pendulum micro-thrust measuring device and a three-wire torsion micro-thrust measuring device, which convert the physical quantity of micro-thrust into displacement through the principle of mechanical balance while keep...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L5/00G01L5/12
CPCG01L5/0038G01L5/12
Inventor 徐志敬郭宁华佐豪陈伟康王浩宇俞鑫罗思璇王佳兴殷睿
Owner SHANGHAI XINLI POWER EQUIP RES INST
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