Single-point weight metering system, weighing device and weighing method

Abstract

The invention relates to the technical field of weight metering, and discloses a single-point weight metering system. The system comprises an elastomer and an object deformation telemetering system, wherein the elastomer is made of a low-thermal expansion coefficient material; the elastomer has a fixed mounting position, a weighing position and a displacement deformation position; the elastomer isrigidly connected with the outer part through the mounting position; a tested object applies force on the weighing position of the elastomer; the object deformation telemetering system comprises a monitoring assembly and a monitored device; the monitored device is connected with the displacement deformation position of the elastomer; the monitoring end of the monitoring assembly faces the monitored device; and after the elastomer suffers the force applied by the tested object, the position of the displacement deformation position is changed to ensure that the displacement distance of the monitored device is detected through the monitoring assembly so as to calculate the weight of the tested object. The invention further discloses a weighing device formed by adoption of the single-point weight metering system on the basis of multiple deformations of the single-point weight metering system and a corresponding weighing method.

Description

technical field [0001] The invention relates to the technical field of weight measurement, in particular to a weight measurement technology for calculating the weight of an object through deformation of a load-bearing object. Background technique [0002] As we all know, in the actual social production and life practice, the measurement of material weight is very common and also very important measurement work. The measurement of weight is inseparable from weight measuring instruments, especially electronic weight measuring instruments represented by electronic balances, which have been widely applied to all aspects of social production and life. However, all kinds of electronic weight measuring instruments are almost all based on the load cell, through the load cell and the corresponding electronic circuit, the unknown weight value of the weighing material is converted into a corresponding electronic signal, and then, through the computer or other electronic devices into c...

AI Technical Summary

Problems solved by technology

[0010] It is precisely because the load cell has different degrees of thermal stability and four-corner deviation problems, which affect its measurement accuracy and measurement stability, thereby affecting the correctness of the load cell's output results, and further affecting the corresponding electronic weighing instruments. The accuracy and stability of the measurement results also lead to the limitation of the application range of the load cell and restrict the popularity of its application

[0011] In order to solve the above problems, people have made unremitting efforts for many years. Although some improvements have been achieved, the results are not very satisfactory, especially in high-precision applications, there are still some problems.

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