Multi-sensor parallel type force value measuring method

A measurement method and multi-sensor technology, applied in force/torque/work measuring instruments, measuring devices, instruments, etc., can solve the problem that the force sensor cannot be guaranteed uniform force.

Pending Publication Date: 2021-12-10
HENAN PROVINCE INST OF METROLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a multi-sensor parallel force value measurement method to solve the technical problem in the prior art that when more than three force sensors are used in parallel, it is impossible to ensure that each force sensor is evenly stressed

Method used

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Embodiment Construction

[0016] Embodiments of the multi-sensor parallel force measurement method in the present invention are as follows: Figure 1~2 As shown: the method includes the following steps. In the first step, a test press whose output force value matches the measurement range of a single force sensor 5 is selected to apply pressure to a single force sensor. Calculate the elastic coefficient k of the force sensor under the pressure; the second step, select four force sensors 5 with the same elastic coefficient for pressure detection of the press to be measured, each force sensor 5 is vertically arranged side by side, each force sensor, along the Circumferentially arranged in sequence, adjust the height of the top force point 4 of each force sensor to be consistent. In the third step, the indenter 10 of the press to be measured applies pressure to the top force point 4 of each force sensor through the force transmission plate.

[0017] In the first step above, the matching of the output forc...

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Abstract

The invention relates to a multi-sensor parallel type force value measuring method, which comprises the following steps of: 1, selecting a test press machine of which the output force value is matched with the measuring range of a single force sensor to apply pressure to the single force sensor, and calculating an elasticity coefficient k of the force sensor according to the deformation height after the force sensor is pressed and the pressure applied to the force sensor; 2, selecting at least four force sensors with the same elasticity coefficient for pressure detection of a press machine to be tested, vertically arranging the force sensors in parallel, and adjusting the heights of the top force bearing points of the force sensors to be consistent; and 3, applying pressure to the top force bearing points of the force sensors by a pressure head of the press machine to be tested through a force transmission plate. The technical problem that in the prior art, when more than three force sensors are used in parallel, uniform stress of all the force sensors cannot be guaranteed is solved.

Description

technical field [0001] The invention relates to a multi-sensor parallel force value measurement method in the field of force value measurement and calibration. Background technique [0002] The press is a commonly used force output device. When it is used, it outputs the force through the action of the indenter. The force value output of the indenter is the key parameter of its performance. According to the corresponding requirements, the output force value of the press needs to be tested and calibrated to ensure the force output capability of the press. [0003] In the prior art, resistance strain gauge type force sensors are usually used to detect and calibrate the output pressure of the press, such as directly applying pressure to the force sensor through the pressure head. However, due to the restrictions of various local regulations and other factors, my country The maximum force value that can be detected by a single force sensor is 20MN, that is to say, when the outpu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L5/00
CPCG01L5/0061G01L5/0066
Inventor 张中杰单海娣冯海盈任翔张锁赵辉乔淑芳陆新赵盈哲王阳阳郭名芳
Owner HENAN PROVINCE INST OF METROLOGY
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