Method for metering travelling belt material and its device

A technology for conveying belts and materials, which is applied to the field of measuring materials on conveying belts, can solve the problems of inaccurate transmission signals of speed sensors and distortion of belt scale measurement, and achieve the effects of improving weight measurement accuracy, convenient maintenance and simple structure.

Inactive Publication Date: 2008-10-15
SHANXI XINYUAN AUTOMATIC INSTR
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Problems solved by technology

[0003] The invention solves the technical problem that the measurement of the belt scale is distorted due to the inaccurate transmission signal of the speed sensor, and especially provides a simple, practical, low-cost and high-accuracy belt scale and measurement method for the production site where the measurement environment is relatively harsh

Method used

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  • Method for metering travelling belt material and its device
  • Method for metering travelling belt material and its device
  • Method for metering travelling belt material and its device

Examples

Experimental program
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Embodiment Construction

[0020] A method of metering material on a transport belt comprising the steps of:

[0021] a. Two groups of weighing units, namely the front weighing unit and the rear weighing unit, are respectively set on the same belt for transporting materials. The two groups of weighing units are separated by L, and these two weighing units are only equipped with The weighing unit of the weighing force transmission mechanism, the front weighing unit weighs the weight of the material passing through the belt in real time and obtains the weighing signal of the material, and the weighing signal is transmitted to the first weighing unit electrically connected to the front weighing unit A set of signal conversion interface circuits converts the signal sequence x[k] that can be collected by the computer. At the same time, the rear weighing unit weighs the weight of the material on the belt from the front weighing unit in real time and obtains the weighing signal of the material. The weighing si...

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Abstract

The invention discloses a method and a device for metering materials on conveying belts, which belongs to the electronic belt scale field and solves the technical problem that inaccurate signal transmission of speed sensors of belt scales causes the metering distortion of the belt scales. The method is based on a scale frame structure of an electronic belt scale with double weighing channels, uses no speed measurement sensor and only sets a weighing sensor in a weighing unit, and has a computer use some algorithm to process signals by comparing the weighing sampling values of two weighing channels, so as to obtain the running speed of the belt scale. The method can avoid using speed sensors, thereby reducing the loss of sensors and the probability of artificial cheating. The invention simultaneously provides a method of metering the flow rate and weight of materials conveyed on conveying belts under the condition with no speed measurement sensor and a device for realizing the method.

Description

technical field [0001] The invention relates to a method and a material measuring device for measuring materials on a transport belt, in particular to an electronic belt scale without a speed measuring sensor. Background technique [0002] At present, belt scales are generally equipped with load cells, speed sensors, and weighing display controllers. According to the signals from the load cells and speed sensors, the material flow on the belt can be obtained after calculation, but the sensors are precision and vulnerable devices. The use environment of belt scales is generally harsh, which can easily cause damage to the sensor, especially the speed sensor can cause weighing distortion due to human cheating and other factors, causing losses to the enterprise; when the belt scale is used for batching, the weighing distortion will also affect The quality of the product after ingredients. Contents of the invention [0003] The invention solves the technical problem that the m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01G11/04G01F1/76
Inventor 梁跃武
Owner SHANXI XINYUAN AUTOMATIC INSTR
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