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Full-automatic electromagnetic balance-type small-force-value standard device

A technology of electromagnetic balance and standard device, which is applied in the direction of measuring device, force/torque/power measuring instrument calibration/test, fluid pressure measurement, etc. It can solve problems such as low work efficiency, narrow range of force value, and slow loading speed. To achieve the effect of mechatronics

Inactive Publication Date: 2014-01-29
JILIN UNIV
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to propose a fully automatic electromagnetic balance type small force value standard device to solve the problems of low work efficiency, complex mechanical structure, inconvenient operation, narrow force value range, slow loading speed and poor performance in the prior art. question

Method used

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  • Full-automatic electromagnetic balance-type small-force-value standard device
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  • Full-automatic electromagnetic balance-type small-force-value standard device

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Embodiment Construction

[0023] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0024] The technical solution provided by the invention is based on the principle of leverage, and mainly checks the load sensor below 1N. Firstly, according to the required force value, the single-chip microcomputer is used to calculate, and the weight corresponding to the quality is selected, and then automatically loaded to the weight hanging. On the other side, the electromagnetic device 28 generates an equal electromagnetic force, and the single-chip microcomputer performs real-time feedback control to ensure the balance of the balance, so that the output electromagnetic force is accurate. This force acts on the sensor to be tested through the reverse frame 29 to complete the measurement. The whole measurement process is automated, the operation is simple and the result is accurate.

[0025] In this device, the balance between the gravity generate...

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Abstract

The invention discloses a full-automatic electromagnetic balance-type small-force-value standard device, belongs to the field of measurement of mechanics, and aims to solve the problems of low working efficiency, complex mechanical structure, inconvenience in operation, small force value range, low loading speed and poor application performance in the prior art. The full-automatic electromagnetic balance-type small-force-value standard device comprises an equal-arm balance, weight loading mechanisms and an electromagnetic device. The equal-arm balance comprises a balance cross beam, a stand column and a base. The balance cross beam contacts with the stand column through a central cutter structure. The stand column is fixed on the base. The weight loading mechanisms connected to one end of the balance cross beam of the equal-arm balance include big-weight loading mechanisms, medium-weight loading mechanisms and small-weight loading mechanisms. A single chip microcomputer controls the big-weight loading mechanisms, the medium-weight loading mechanisms and the small-weight loading mechanisms respectively through a motor to realize automatic loading and unloading. The electromagnetic device is connected to the other end of the balance cross beam of the equal-arm balance. A reverse frame is connected with the lower end of the electromagnetic device. The electromagnetic device applies force to a sensor through the reverse frame.

Description

technical field [0001] The invention belongs to the field of mechanical measurement, and in particular relates to a fully automatic electromagnetic balance type small force value standard device. Background technique [0002] Force measurement is more widely used in various fields. In recent years, with the rapid development of micro-nano technology, the corresponding small force measurement technology has also developed rapidly. In these fields, it is necessary to accurately measure the small force value, so as to ensure that the processed products can meet the required accuracy. In the calibration of the sensor, the measurement of the small force value is even more important, which requires it to have higher precision to ensure the accuracy of the sensor's measurement. [0003] The currently commonly used small-range force standard device is a deadweight mechanism, which has a narrow force range, poor performance, and slow loading speed; in addition, the currently commonl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L25/00G01L27/00
Inventor 于立娟李阳王相龙
Owner JILIN UNIV
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