[multihead weigher] What is the working principle of the automatic multihead weigher, and how does the automatic multihead weigher weigh the quantity

Author: Smartweigh–Multihead Weighter

Automatic multihead weigher, also known as multihead weigher, is a sensor machine device that accurately measures the force of an object according to the load borne by the test bearing medium. The multihead weigher can convert the pressure from the medium into a relative electronic signal, and then do For the purpose of accurate measurement, the multihead weigher is a machine and equipment that converts the quality data signal into an electronic signal output that can be accurately measured. This is the automatic multihead weigher. The automatic multihead weigher is often used in the production line. It is different from the usual multihead weigher. It has powerful data statistics, fast statistics speed, simple operation of statistical reports, powerful classification functions, and more humanization, which can quickly realize various data statistics requirements. .

The perfect combination of multihead weigher with production and sales can effectively save the resources of enterprises and merchants, and reduce expenses. So what is the working principle of automatic multihead weigher, and how does multihead weigher weigh the quantity? The working principle of automatic multihead weigher The automatic multihead weigher is composed of electronic components, load cells, amplifying circuits, AD conversion circuits, single-chip circuits, display circuits, keyboard circuits, communication interface circuits, and regulated power supply circuits. Workflow description: When the object is placed on the weighing pan, the pressure is applied to the sensor, and the sensor is deformed, so that the impedance changes, and at the same time, the excitation voltage changes, and a changed analog signal is output. The signal is amplified by the amplifier circuit and output to the analog-to-digital converter.

Convert it into a digital signal for easy processing and output it to the CPU for operation control. The CPU outputs such results to the display according to keyboard commands and programs. until this result is displayed.

This is how the automatic multihead weigher works. How does the automatic multihead weigher weigh the quantity? The multihead weigher is mainly composed of load-bearing systems (such as weighing pans, scales), force transmission systems (such as lever force transmission systems, sensors) and indication systems (such as dials, electronic display instruments) 3 parts. multihead weigher should be pressed first“count”key.

Then count 50 or 100 from the products you want to count, press“sampling”Press the key, wait for a few seconds, after the data in the single weight column is calculated, you can put all the remaining things on it, and the quantity column will display the total number. 1. The multihead weigher should be calibrated every day or before each use, and the frequency of calibration can be increased if necessary. The weights used for calibration, in theory, the higher the level, the better. Generally, the error of the weights should be selected to be no more than 1/3 of the maximum allowable error of the balance.

2. Normal counting: arbitrarily take out a number of unknown quantities of similar components to prevent on the weighing pan, count the multihead weigher to quickly display the calculation results, and then manually verify the accuracy of the displayed results, the verification results are 100% correct, and the error is 0.3 , Single store: press and hold“Single set”Press the key for about 2 seconds to input any number key from 0 to 9, and the single weight value at this time has been stored in the multihead weigher (data will not be lost due to normal shutdown). This allows for counting and weighing.

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