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Tandem sensor and measuring method

A sensor, series technology, applied in the field of sensors, can solve the problems of low test range and test accuracy of tension and pressure sensors

Active Publication Date: 2021-04-27
SUZHOU H C SOIL & WATER SCI & TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The first purpose of the present invention is to solve the problem of low test range and test accuracy of a single tension and pressure sensor, and propose a series sensor

Method used

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Embodiment Construction

[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0041] see Figure 1-20 , the present invention provides a technical solution: a series sensor, including a base 1, a connecting cap 2, a loading rod 3, a rotating column 4, eyebolts 5, a buckle cover 6, a stud bolt 7, a bottom cover 8, a main body 9. Connecting shaft A10, connecting shaft B11, top column ball 12, sensor support seat 13, gasket 14, large range sensor 15, small range sensor 16, spring 17, O-ring 18, universal plug seal 19;

[0042] The outside...

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Abstract

The invention discloses a tandem type sensor and a measuring method. The tandem type sensor is composed of a wide-range sensor, a high-precision small-range sensor, a sensor protection device, connecting structures of all the parts and a waterproof device. The high-precision small-range sensor and the large-range sensor are connected through a unique connecting structure; the sensor protection device is arranged to protect the high-precision small-range sensor; and in addition, the waterproof device is arranged to perform waterproof protection on the sensor. With the tandem sensor and measuring method of the invention adopted,the problem of inaccurate measurement of the axial force in a small range when the axial force in a large range is measured is effectively solved, and the axial force in each range can be effectively measured; and the tandem sensor and measuring method have an important value for improving the testing precision of a geotechnical triaxial test in a high-pressure state. Sensors with different ranges are adopted, different mechanical structures are designed, and the requirement for measuring pressure or tension and pressure under various overwater or underwater environment conditions can be met.

Description

technical field [0001] The invention relates to the technical field of sensors, in particular to a serial sensor. In particular, the components, assembly form, protection and waterproof sealing treatment, and sensor usage methods of the series sensor all relate to this field. The invention can be applied to the research and development of instruments in geotechnical engineering and mechanics, as well as related tests in this field. Background technique [0002] According to the current sensor test error regulations, it can be seen that the larger the measuring range, the greater the error value of the sensor, especially in the range of small measuring ranges, which will produce non-negligible errors. The test accuracy of the small-range sensor is high, but the test range is limited, and it cannot test a large external load. Based on the above requirements, there is an urgent need for a mechanical sensor capable of testing any range, and the test accuracy must meet certain ...

Claims

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Application Information

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IPC IPC(8): G01L1/26
CPCG01L1/26
Inventor 邵龙潭孙晓文张翻邵龙海金文成吴铭明
Owner SUZHOU H C SOIL & WATER SCI & TECH CO LTD
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