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Simple microbalance

A microbalance and simple technology, applied in the field of balances, can solve the problems of low measurement repeatability and accuracy, few microgram-level objects weighing, insufficient mechanical balances, etc., and achieve a simple structure, small measurement error, and convenient operation. Effect

Inactive Publication Date: 2012-11-14
DABAIKE LAB EQUIP ENG JIANGSU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, although most mechanical balances can achieve high precision and a wide weighing range, they can rarely achieve the weighing of microgram-level objects, and the measurement repeatability and accuracy are not high, and the sensitivity is not high. The influence of temperature is relatively large, and some operations are more troublesome, especially for micro analysis in the laboratory, the traditional mechanical balance is particularly insufficient

Method used

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  • Simple microbalance

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Embodiment Construction

[0012] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0013] figure 1 It is the schematic diagram of the conversion display circuit of the simple micro balance in the embodiment of the present invention; the micro balance is composed of two parts: the balance moving coil support part and the conversion display circuit. A moment arm and a balance indicating arm, the conversion display circuit includes a moving coil current balancer, a current-voltage converter, an adjustable potentiometer, a digital display and a power supply.

[0014] The moving coil meter of the simple microbalance mentioned in the present invention is composed of a permanent magnet, a moving coil, and a meter. The moving coil mete...

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Abstract

The invention discloses a simple microbalance which comprises a balance moving coil supporting part and a conversion display circuit, wherein the balance moving coil supporting part comprises a balance disc, a moving coil meter, a weighing moment arm and a balance indication arm; and the conversion display circuit comprises a moving coil current balancer, a current-to-voltage converter, an adjustable potentiometer, a digital display and a power supply. The simple microbalance disclosed by the invention has the advantages of simple structure, convenience in operation, small measurement error, high sensitivity and little ambient temperature influence, is capable of displaying the minimum weight of 0.001 microgramme, and is very suitable for microanalysis.

Description

technical field [0001] The invention relates to a balance, in particular to a simple micro balance, which belongs to the technical field of measurement. Background technique [0002] In quality metrology, the balance is an important measuring tool. It must be used to measure from the measurement of the measurement standard to the daily measurement of the value. It is not only closely related to people's daily life, but also makes a contribution to the development of science. made an indelible contribution. Until now, people are still constantly researching the balance, and with the help of modern means, various performances of the balance are improved to meet the needs of people's scientific research and daily life. However, with the development of science and the progress of society, people have higher and higher requirements for the accuracy, sensitivity and convenience of mass measurement. At the same time, people have to develop instruments suitable for various requirem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01G1/18
Inventor 许大翔
Owner DABAIKE LAB EQUIP ENG JIANGSU
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