Thin-film sputtering force transducer adapting to lunar environment

A technology of force sensor and sensor unit, applied in the field of thin film sputtering force sensor, to achieve the effects of light weight, light weight, high stability and test accuracy

Active Publication Date: 2016-04-20
BEIJING SATELLITE MFG FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology allows for accurate measurement of changes in electrical current without being influenced from outside factors like vibrations caused by flight operations at different temperatures. It also includes features such as stable operation over wide ranges of ambient conditions while maintaining good signal quality even when there may be multiple failings simultaneously. Overall, this innovative technical solution improves the durability and effectiveness of electricity monitoring systems used in space exploration missions.

Problems solved by technology

This patented technical problem addressed in this patents relating to the use of stress gauges in various applications involves maintaining precise measurements over different environmental factors like ambient air temperature during flight tests, altitude change caused by solar heat from sunlight exposure, etc., while also achieving an accuracy level within 0°C - 150°C without losing its effectiveness through thermal expansion/contraction effects.

Method used

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  • Thin-film sputtering force transducer adapting to lunar environment
  • Thin-film sputtering force transducer adapting to lunar environment
  • Thin-film sputtering force transducer adapting to lunar environment

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Embodiment Construction

[0049] Such as figure 1 and figure 2 As shown, the thin film sputtering force sensor of the present invention includes a sensor component 7 .

[0050] Such as image 3 As shown, the sensor assembly 7 includes a sensor unit 10 and a housing 11 .

[0051] Such as figure 2 , Figure 4 and Figure 5 As shown, the sensor unit 10 is composed of a connection end, a cylindrical pin 2, an end cover 3, a cross-recessed countersunk screw 4, a circuit board 5, a circuit board protection pad 6, a cable 9, a terminal block 12, a lead terminal insulating seat 13, a lead wire The pin 14, the bonding gold wire 15 and the elastic body 16 are composed.

[0052] Such as Figure 8 As shown, the elastic body 16 is a convex-shaped stepped cylindrical platform, including a thick cylindrical platform and a thin cylindrical platform. direction deformation, and reduce the weight of the elastic body 16; the terminal block 12 is a rotating body, coaxial with the elastic body 16, the terminal block

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Abstract

The invention provides a thin-film sputtering force transducer adapting to a lunar environment. The transducer comprises a connecting end, a wiring terminal seat (12), a lead pin (14), and an elastomer (16). The elastomer (16) being a Chiness-character-tu-shaped stepped cylindrical bench includes a thick cylindrical bench and a thin cylindrical bench. A terminal seat through hole is formed in the wiring terminal seat (12) along the middle axis; the thin cylindrical bench passes through the terminal seat through hole and is connected with one end of the connecting end for exerting an axial tensile force on the elastomer (16); and the thick cylindrical bench is fixedly connected with one end of the wiring terminal seat (12). A resistor strain gate graph film is sputtered on the end surface of the thick cylindrical bench of the elastomer (16); the resistor strain gate graph film includes four resistor bridge arms; and when the axial tensile force is exerted on the elastomer (16), the resistance values of the four resistor bridge arms are changed. The two ends of the four resistor bridge arms are connected with the external world by the lead pin (14), so that the differential voltage change is measured to obtain the axial force. The provided transducer is not easy to affect by the interference on the non-axial force and is suitable for large working temperature zone.

Description

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Claims

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Application Information

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Owner BEIJING SATELLITE MFG FACTORY
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