Electronic weighing system

A weighing system and electronic technology, applied in the direction of material weighing, weighing, weighing equipment using elastically deformable parts, etc., can solve the problems of low accuracy and sensitivity, and the weighing system cannot reflect quality changes, etc. To achieve the effect of simplifying the circuit, ensuring timeliness and sensitivity, and convenient use

Inactive Publication Date: 2009-08-26
TIANJIN UNIV OF COMMERCE
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Problems solved by technology

The traditional weighing system can directly reflect the mass of the object being weighed in a state of constant mass, but in the study of the combustion characteristics of combustibles

Method used

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  • Electronic weighing system
  • Electronic weighing system

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[0018] The present invention will be described in detail below with reference to the drawings and specific embodiments.

[0019] The schematic diagram of the electronic weighing system of the present invention is as follows figure 1 with figure 2 As shown, it includes a metal bracket 3, a pallet 9 is fixed on the metal bracket 3, a heat shield 8 is placed on the pallet 9 to prevent heat radiation, and a load tray 2 is placed on the heat shield 8, and 4 A load cell 4 is installed on each leg, and each load cell is connected to an analog / digital signal converter, and the analog / digital signal converter is connected to the voltage conversion module and the data collector 6. The data collector 6 is connected to the data processor 7, and the voltage conversion module is connected to the power source 1. The load cell is a resistance strain sensor, and the weighing mass range is the sum of the range of multiple resistance strain sensors in the system. The data processor uses a computer....

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Abstract

The invention discloses an electronic weighing system aiming at providing a highly sensitive electronic weighing system which can improve data collecting speed and accuracy and accurately reflect mass loss in the process of burning in real time. A supporting plate is fixed at a metal support, a thermal baffle which can prevent thermal radiation is placed on the supporting plate, a loading tray is placed on the thermal baffle, weighing sensors are respectively arranged at legs of the metal support, each weighing sensor is respectively connected with an analog/digital signal converter, each analog/digital signal converter is respectively connected with a voltage transformation module and a data acquisition unit, the data acquisition unit is connected with a data processor. The outdoor part of the weighing system of the invention is simply structured and is easy to be transported and the sensor is highly sensitive, while the indoor part thereof features rapid data acquisition and real time recording, thus greatly improving accuracy of data acquisition and being capable of accurately reflecting changes of mass loss in the process of burning in real time.

Description

technical field [0001] The invention relates to an electronic weighing system, in particular to an electronic weighing system capable of accurately measuring the mass loss rate of combustibles in real time. Background technique [0002] The mass loss rate of combustibles is an important parameter, which can directly reflect the combustion characteristics of combustibles, and is of great significance in the process of fire research and fuel combustion research. The traditional weighing system can directly reflect the mass of the object being weighed in a state of constant mass, but in the study of the combustion characteristics of combustibles, the combustion process of combustibles is a process of constantly changing quality. The system cannot reflect the process of mass change, and the accuracy and sensitivity are not high. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies in the prior art and provide an electronic we...

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Application Information

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IPC IPC(8): G01G3/14G01N5/00
Inventor 刘万福万象明戚务勤葛明慧王建伟
Owner TIANJIN UNIV OF COMMERCE
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