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Continuous weight meter and continuous weight metering method

A measurement method and technology of measuring instruments, which are applied in the direction of weighing equipment, instruments, and weighing of continuous material flow, and can solve problems such as poor anti-interference ability and sensitive external temperature

Inactive Publication Date: 2012-01-04
LUDONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the continuous automatic batching machine is sensitive to external temperature and has poor anti-interference ability

Method used

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  • Continuous weight meter and continuous weight metering method
  • Continuous weight meter and continuous weight metering method
  • Continuous weight meter and continuous weight metering method

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Experimental program
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Embodiment Construction

[0049] The specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing:

[0050] refer to figure 1As shown, the continuous weight measuring instrument of this embodiment includes a sensor input terminal, a filter circuit, an amplifier circuit, a speed measurement signal processing module circuit, an MCU, a display drive circuit, an optocoupler and a drive circuit, a keyboard circuit, an RS232 communication module, and an RS485 communication module. , Communication switching circuit, protection circuit, terminal block and power circuit, etc. Among them, the sensor input terminal is used to receive the instantaneous weight signal output by the belt scale. The filter circuit is used to filter out the high-frequency interference in the instantaneous weight signal. The amplifying circuit is used to amplify the instantaneous weight signal processed by the filter circuit. The speed measuring signal processing module circuit is...

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Abstract

The invention discloses a continuous weight meter and a continuous weight metering method thereof. The continuous weight meter comprises a sensor input terminal, a filter circuit, an amplifying circuit, a velocity measurement signal processing circuit, a micro controller unit (MCU), a display drive circuit, an optical coupler, a drive circuit and a keyboard circuit, wherein, the MCU is internally provided with a temperature measuring module and can be used for carrying out temperature compensation on the continuous weight meter according to the external temperature. Temperature compensation and anti-interference filtering treatment are carried out, sensitivity of the continuous weight meter to variation of the outside temperature is reduced, and the anti-interference capability of the continuous weight meter is improved, thus stability and reliability of the whole continuous weight meter are enhanced on the whole.

Description

technical field [0001] The invention relates to a metering device, in particular to a continuous weight meter and its weight continuous metering method. Background technique [0002] In industrial production processes such as food processing, tobacco processing, chemical product processing, feed processing, etc., the ingredients of some bulk materials need to be continuously weighed and measured, which requires continuous weighing instruments. In normal use, the continuous weight measuring instrument should be connected with the belt scale installed on the belt conveyor of the production line and the speed measuring device installed near the motor of the belt conveyor. length, so as to calculate the instantaneous weight of the belt scale in this period, and accumulate the instantaneous weight. When the accumulated weight reaches a predetermined value, the feeding equipment that controls feeding to the belt conveyor stops working, thereby completing the measurement control wo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01G11/18G01G23/48
Inventor 丁宏
Owner LUDONG UNIVERSITY
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