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High-precision electronic balance

An electronic balance and high-precision technology, applied in the field of electronic instruments, can solve problems such as low precision and unsatisfactory, and achieve the effect of high overall precision

Inactive Publication Date: 2015-04-01
CHANGSHU YIOU INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Electronic balance is a balance that uses electromagnetic force to balance the weight of the object being weighed. With the continuous improvement of science and technology, electronic balance is also widely used in medicine, biology, colleges and universities, and scientific research due to the convenience and speed of weighing. At the same time, due to the continuous improvement of people's living standards, people's requirements for products are getting higher and higher, and the defects of traditional electronic balances are: low precision, unable to meet people's needs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] A high-precision electronic balance, including: a weighing pan and a sensor, the sensor is fixedly installed under the weighing pan, the weighing pan is made of metal aluminum and metal copper fused at high temperature, and the ratio is according to the weight percentage: the The content of metal aluminum accounts for 80%, and the content of metal copper accounts for 20%. The sensor includes a pole shoe, and the pole shoe is formed by high-temperature fusion of iron oxide and metal iron. The content of iron accounts for 60%, and the content of the metal iron accounts for 40%.

Embodiment 2

[0013] A high-precision electronic balance, including: a weighing pan and a sensor, the sensor is fixedly installed under the weighing pan, the weighing pan is made of metal aluminum and metal copper fused at high temperature, and the ratio is according to the weight percentage: the The content of metal aluminum accounts for 85%, and the content of the metal copper accounts for 15%. The sensor includes a pole piece, and the pole piece is formed by high-temperature fusion of iron oxide and metal iron. According to the weight percentage: the iron oxide The content of iron accounts for 70%, and the content of the metal iron accounts for 30%.

Embodiment 3

[0015] A high-precision electronic balance, including: a weighing pan and a sensor, the sensor is fixedly installed under the weighing pan, the weighing pan is made of metal aluminum and metal copper fused at high temperature, and the ratio is according to the weight percentage: the The content of metal aluminum accounts for 82%, and the content of the metal copper accounts for 18%. The sensor includes a pole shoe, and the pole shoe is formed by high-temperature fusion of iron oxide and metal iron. According to the weight percentage: the iron oxide The content of iron accounts for 65%, and the content of the metal iron accounts for 35%.

[0016] It is further explained that the thickness of the weighing pan is 2-4mm, which can make the weighing pan have good hardness, strength and wear resistance while saving costs.

[0017] Different from the existing technology, due to the better deformation performance of metal aluminum, and the higher toughness and strength of metal copper...

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Abstract

The invention discloses a high-precision electronic balance which comprises a scale and a sensor, wherein the sensor is fixedly mounted below the scale; the scale is formed by fusing 80 to 85% of aluminum with 15 to 20% copper at a high temperature according to a weight percentage; and the sensor comprises a pole piece which is formed by fusing 60 to 70% of iron oxide with 30 to 40% of iron at a high temperature according to a weight percentage. Through the way, the weighing sensitivity of the scale and the precision of the sensor can be improved, so that the whole precision of the electronic balance is relatively high.

Description

technical field [0001] The invention relates to an electronic instrument, in particular to a high-precision electronic balance. Background technique [0002] Electronic balance is a balance that uses electromagnetic force to balance the weight of the object being weighed. With the continuous improvement of science and technology, electronic balance is also widely used in medicine, biology, colleges and universities, and scientific research due to the convenience and speed of weighing. At the same time, due to the continuous improvement of people's living standards, people's requirements for products are getting higher and higher, and the defects of traditional electronic balances are: low precision, which cannot meet people's needs. Contents of the invention [0003] The technical problem mainly solved by the present invention is to provide a high-precision electronic balance, which can increase the weighing sensitivity of the weighing pan and improve the precision of the ...

Claims

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Application Information

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IPC IPC(8): G01G21/22G01G21/00
Inventor 汪琪
Owner CHANGSHU YIOU INSTR