Material weighing and measuring method, device and system

A measurement method and a technology of a measurement device, which are applied in the field of devices, weighing measurement systems, and material weighing measurement methods, can solve the problems of large input and output errors, low accuracy of weighing measurement results, etc., and achieve accuracy improvement Effect

Active Publication Date: 2012-08-15
ZOOMLION HEAVY IND CO LTD
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  • Abstract
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Problems solved by technology

[0005] The invention provides a material weighing and measuring method, device and weighing and measuring system, which are used to solve the problem that there are

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  • Material weighing and measuring method, device and system
  • Material weighing and measuring method, device and system
  • Material weighing and measuring method, device and system

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Embodiment Construction

[0021] In order to solve the technical problems of relatively large errors in the input and output of the existing material weighing and measuring system and the low accuracy of weighing and measuring results, the invention provides a material weighing and measuring method, device and weighing and measuring system .

[0022] Such as figure 1 As shown, the weighing and measuring system of the material of the present invention includes a load cell 11 and a control device 12, wherein,

[0023] The weighing sensor 11 is used to collect the weight information of the material, and output the weight signal to the control device 12 according to the input-output mapping relationship between the pre-stored weight information and the weight signal;

[0024] The control device 12 is connected to the weighing sensor 11, and is used to output the weighing of the material according to the input weight signal and the reverse mapping relationship between the input-output mapping relationship ...

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Abstract

The invention discloses a material weighing and measuring method, device and system. The material weighing and measuring system comprises a weighing sensor and control equipment, wherein the weighing sensor is used for acquiring material weight information and outputting a weight signal to the control equipment according to an input-output mapping relationship between prestored weight information and the weight signal, and the control equipment is connected with the weighing sensor and used for outputting material weighing result information according to the input weight signal and a reverse mapping relationship of the input-output mapping relationship between prestored weight information and the weight signal. The weighing result information of the material weighing and measuring system is equal to the material weight information, and the accuracy of weighing results is greatly improved compared with the error caused by forced linear fitting of a nonlinear part of transmission characteristics of the weighing sensor in the prior art.

Description

technical field [0001] The invention relates to the technical field of construction machinery measurement and control, in particular to a material weighing and measuring method, device and weighing and measuring system. Background technique [0002] In the field of construction machinery measurement and control technology, the error of the weighing system directly affects the performance and measurement accuracy of the measurement and control system. For example, in the weighing measurement system of a concrete mixing station, the weight information of aggregates, powder, etc. is usually collected by the load cell and output a weight signal; The corresponding voltage analog signal (the amplitude of the voltage analog signal corresponds to the weight information); PLC (Programmable Logic Controller, programmable logic controller, referred to as PLC) analog-to-digital conversion equipment converts the voltage analog signal into a digital signal; PLC According to the input dig...

Claims

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Application Information

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IPC IPC(8): G01G23/00G06N3/02
Inventor 李学俊齐华廖超蒋博韬李博
Owner ZOOMLION HEAVY IND CO LTD
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