Low-mass measurement system for microgravity environment in outer space

A measurement system and small-mass technology, applied in weighing, instruments, etc., can solve problems such as difficult to realize, complex calculation processing, inconvenient operation, etc., and achieve the effects of good controllability, high measurement accuracy, and easy control

Inactive Publication Date: 2014-11-12
HUBEI SANJIANG SPACE XIANFENG ELECTRONICS&INFORMATION CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above-mentioned prior art still has defects such as inconvenient operation, complicated calculation and difficult realization, so it is necessary to make further improvement and perfection in this field.

Method used

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  • Low-mass measurement system for microgravity environment in outer space
  • Low-mass measurement system for microgravity environment in outer space
  • Low-mass measurement system for microgravity environment in outer space

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Embodiment Construction

[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0025] figure 1 It is a schematic diagram of the main structure of a small-mass measurement system used in a space microgravity environment according to a preferred embodiment of the present invention. like figure 1 As shown in , the small-mass measurement system mainly includes a support 1, a guide mechanism, a horizontal spring vibrator and a sensing unit, and is based on the vibration princ...

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Abstract

The invention discloses a low-mass measurement system for a microgravity environment in the outer space. The low-mass measurement system comprises a support, a guiding mechanism, a horizontal spring oscillator and a sensing unit, wherein the support is provided with a bottom plate and side plates located on the two sides of the bottom plate in the horizontal direction, and is used as a mounting carrier for other elements; the guiding mechanism is horizontally suspended between the two side plates of the support, and the two ends of the guiding mechanism are connected with the side plates through end caps provided with external threads respectively; the horizontal spring oscillator comprises a low-mass object serving as an object to be measured and two springs connected to the two sides of the low-mass object respectively in the horizontal direction; the horizontal spring oscillator is integrally arranged on the guiding mechanism in a sleeved mode, and the springs are meshed with the external threads on the end caps; the sensing unit comprises a Hall sensor and is used for measuring the motion period of the horizontal spring oscillator executing simple harmonic vibration. The low-mass measurement system is simple and compact in structure, easy to achieve and capable of conducting low-mass measurement and meanwhile has the advantages of being high in measuring accuracy, good in controllability and the like.

Description

technical field [0001] The invention belongs to the technical field of aerospace equipment, and more specifically relates to a small-mass measurement system used in a space microgravity environment. Background technique [0002] The measurement of mass in the microgravity environment of space is one of the most important research projects for astronauts in various experimental researches, and it is also an indispensable technical indicator for astronauts to fly and live for a long time for health protection. According to the needs of actual tasks, the mass measurement in the microgravity environment can be divided into large mass measurement and small mass measurement. The large mass measurement has been solved in China at present, and the small mass (usually in the range of 200g to 5000g in this field) ) measurements have rarely been reported. Based on the urgent needs of my country's manned spaceflight, a large part of the experimental items with relatively small masses n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01G9/00
Inventor 王院生汪洪艳栗庆元
Owner HUBEI SANJIANG SPACE XIANFENG ELECTRONICS&INFORMATION CO LTD
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