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Weighing controlling device and method of electronic belt scale

An electronic belt scale and control device technology, applied in the direction of measuring device, weighing, weighing equipment for continuous material flow, etc. The effect of long service life, increased reliability and metering accuracy

Active Publication Date: 2009-09-16
SAIMO ELECTRIC
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  • Abstract
  • Description
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Problems solved by technology

The weighing control device of the electronic belt scale with this structure, because the 4 weighing signals are connected in parallel to form a weighing signal and then accumulated together with the speed signal, so that when one of the sensors fails, the entire belt scale The measurement will be inaccurate, and it is not easy to be found during operation, so in the process of conveying materials, losses will be caused by inaccurate measurement

Method used

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  • Weighing controlling device and method of electronic belt scale
  • Weighing controlling device and method of electronic belt scale
  • Weighing controlling device and method of electronic belt scale

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Embodiment Construction

[0018] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings:

[0019] figure 1 and figure 2 As shown, the weighing control device of the present invention mainly consists of four load cells 1 of A, B, C, and D, a full-suspension weighing carrier 6 supported by four load cells 1, and a displacement sensor 5 And accumulator 4 constitutes. When the load cell 1 is an analog signal sensor, the load cell 1 is connected with a signal converter 2, such as figure 1 Shown; When the load cell 1 is a digital signal sensor, the signal converter 2 is not required. The accumulator 4 mainly includes a processor, a shaper, a memory, a display and a power supply, wherein the signal converter 2 is a 24-bit analog-to-digital conversion circuit AD7710, the processor is a 32-bit CPU integrated circuit S3C44B0X, the memory is an integrated circuit 39VF160, and the displacement signal is shaped The device is an integrated circuit 393,...

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Abstract

The invention relates to a weighing controlling device and a method of an electronic belt scale. The weighing controlling device comprises four weighing sensors, a suspended weighing loader, a displacement sensor and an accumulator, wherein the outputs of the weighing sensors enter the accumulator respectively; and the accumulator calculates the combination of three kinds of different programs of the outputs of the four weighing sensors and carries out real-time on-line comparison on two groups of accumulation values. If the difference of the two groups of accumulation values is overlarge, the outputs of the weighing sensors in each group are compared to judge whether certain weighing sensor has a fault, the accumulator shows the accumulation value of the group of weighing sensors with normal outputs so as to ensure that even certain weighing sensor has the fault, the electronic belt scale can still reliably weigh. The device and the method improve the reliability and measurement accuracy of the belt scale, are suitable for on-line, accurate and reliable weighing measurement of a belt type conveyor to continuously convey materials. The device has the advantages of compact and reasonable structure, high reliability, precise measurement, easy maintenance, long service life and wide practicability.

Description

technical field [0001] The invention relates to a weighing control device and a method thereof, in particular to a weighing control device and a method of an electronic belt scale suitable for on-line monitoring of materials continuously conveyed by a belt conveyor. Background technique [0002] At present, electronic belt scales with a full-suspension carrier structure used for continuous weighing of materials conveyed by belt conveyors usually use four load cells on one load cell, and the weighing signals output by the four load cells are connected in parallel. A weighing control device that forms a weighing signal, and then performs cumulative calculations together with the speed signal output by the speed sensor, and displays the calculation results on the accumulator. The weighing control device of the electronic belt scale with this structure, because the 4 weighing signals are connected in parallel to form a weighing signal and then accumulated together with the speed...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01G23/01
CPCG01G11/003
Inventor 厉达何福胜张兴国
Owner SAIMO ELECTRIC
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