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Pressure sensor calibration device and calibration method

A pressure sensor and calibration device technology, which is applied in the direction of measuring devices, instruments, force/torque/power measuring instrument calibration/testing, etc., can solve the problems of poor accuracy and high production cost of calibration devices, and achieve easy operation and low production cost , the effect of reducing the error

Active Publication Date: 2021-07-20
INST OF APPLIED MATHEMATICS HEBEI ACADEMY OF SCI
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0007] The object of the present invention is to provide a pressure sensor calibration device, which aims to solve the problems of high production cost and poor precision of the existing calibration devices

Method used

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  • Pressure sensor calibration device and calibration method
  • Pressure sensor calibration device and calibration method
  • Pressure sensor calibration device and calibration method

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Embodiment Construction

[0035] In order to make the technical problems, technical solutions and beneficial effects to be solved by 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.

[0036] Please also refer to figure 1 and figure 2 , the pressure sensor calibration device provided by the present invention will now be described. The pressure sensor calibration device includes a fixed bracket, a pressure sensor 10 to be calibrated, a lifting assembly, a pulley assembly, a force contact 7 and a calibration processor 14; the pressure sensor 10 to be calibrated is installed on the fixed bracket; the lifting assembly and The fixed bracket is slidably connected; the pulley assembly is used for pulling and lifting the lifting assembly up and down a...

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Abstract

The invention provides a pressure sensor calibration device and a calibration method, belonging to the technical field of sensor calibration, including a fixed bracket, a pressure sensor to be calibrated, a lifting assembly, a pulley assembly, a force contact and a calibration processor; a pressure sensor to be calibrated Installed on the fixed bracket; the lifting component is slidably connected with the fixed bracket; the pulley component includes a fixed pulley block and a pulley rope, and the lifting component and the weight seat are connected at both ends of the pulley rope; Move upward to contact with the upper pressure sensor; the calibration processor collects the output signal of the pressure sensor to calibrate the pressure sensor. The pressure sensor calibration device provided by the present invention can calibrate the pressure sensor without using additional sensors, which saves the production cost and reduces the difficulty of use; the lifting component is automatically raised by using the pulley component, which reduces the error caused by human intervention , which improves the accuracy of the calibration results.

Description

technical field [0001] The invention belongs to the technical field of pressure sensor calibration, and more specifically relates to a pressure sensor calibration device and a calibration method based on the calibration device. Background technique [0002] As the terminal perception and grasping tool of intelligent robots, the dexterous hand has high dexterity, versatility and adaptability, and can complete various grasping and manipulation tasks. It is widely used in dangerous environment detection, outer space exploration, Logistics handling, industrial assembly, rehabilitation medicine, intelligent manufacturing and agricultural picking and other fields. [0003] In the grasping operation of the dexterous hand, it is necessary not only to avoid the object being grasped from slipping due to too small grasping force, but also to prevent damage to the grasped object due to excessive grasping force. Steady grasping of objects. To be able to achieve minimum force grasping, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L25/00
CPCG01L25/00
Inventor 张英坤程煜郝存明任亚恒吴立龙姚立彬赵航
Owner INST OF APPLIED MATHEMATICS HEBEI ACADEMY OF SCI
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