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a torque sensor

A technology of torque sensor and floating beam, applied in instruments, torque measurement, measurement devices, etc., can solve problems such as unfavorable miniaturization of sensors, and achieve the effects of small size, reduced interference, and high sensitivity

Inactive Publication Date: 2020-05-19
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The torque sensor in the prior art needs to paste the strain gauge at the tangential position, which is not conducive to the miniaturization of the sensor

Method used

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Embodiment Construction

[0032] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.

[0033] It should be noted that the terms used here are only for describing specific implementations, and are not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate There are features, steps, operations, devices, components, and / or combinations thereof.

[0034] reference Figure 1-Figure 2 ...

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PUM

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Abstract

The invention discloses a torque sensor, which comprises: a fixed plate, an input plate, a strain beam, a floating beam, a support beam and a resistance strain gauge; one end of the support beam is connected to the input plate, and the other end is connected to the fixed plate; one end of the strain beam is connected to the fixed plate , the other end is connected to the floating beam; one end of the floating beam is connected to the input plate, and the other end is connected to the strain beam, and there is a predetermined distance between the floating beam and the input plate; The center of the disk is arranged symmetrically, and the resistance strain gauges form a full-bridge circuit to measure the strain on the strain beam. The torque sensor provided by the embodiment of the present invention has the advantages of small size and high sensitivity.

Description

Technical field [0001] The invention relates to the technical field of torque measurement, in particular to a torque sensor. Background technique [0002] As a torque measuring device, the torque sensor is widely used in occasions that require accurate torque measurement. Especially with the continuous improvement of the level of automation, torque sensors are commonly used in robot joints to measure the force of the joints, thereby realizing closed-loop force control of the robot, and ensuring the safety and flexibility of robot operations. In recent years, with the development of high-tech technologies such as dexterous hands and micro robots, the demand for micro torque sensors has become more and more significant. How to improve the measurement sensitivity of torque sensors in a limited space is an urgent problem in the development of micro torque sensors. one. [0003] Torque sensors can be classified into capacitive, electromagnetic, and strain-type based on different princ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L3/10
CPCG01L3/108
Inventor 韩康陈立恒徐振邦霍琦李昂韩哈斯敖其尔
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI