Notes

Method for very early diagnosis of tons cell "sub-health".<br>
[Abstract] This post introduces a principle as well as method of early as well as precise medical diagnosis of the "sub-health" condition of lots cells.

[Keywords] early; diagnosis; "sub-health"; tons cell; approach.

I. Intro.

With the continuous growing of business technological transformation, electronic weighing tools have actually been utilized an increasing number of commonly in process flow, procedure control, and settlement as well as measurement. The resistance strain type load cell (hereinafter referred to as the sensor) is a sort of steel elastic body as the pressure.

- Gauging tools with electric conversion feature, as well as sensing units are the core parts of digital evaluating instruments. As a result of the inherent features of the sensor itself.

And also in a facility and also severe environment, its failings are characterized by diversity and also complexity, as well as the failure rate is also greater. Existing.

Replacing the sensing unit in the field judgment will not only impact the normal production rhythm, however also trigger the wind, the furnace, the defective product and the failing to compute.

The amount, etc, seriously affect the financial benefits of the business. Maintenance employees hope that there is a method to progress the sensor failing.

Obtain advised.

After years of expedition, there is a means to precisely detect whether the tons cell misbehaves or not (abbreviated as.

" Sub-health") to boost the initiative of upkeep as well as attain the objective of "no failure" maintenance.

2. Phenomena and also concepts.

The tons cell involves self-controls such as auto mechanics, electrical energy, and also chemistry. The reason of the fault is complicated and also it is hard to court. Development in failure.

It is indeed not simple to detect in advancement that the load cell is in a "sub-healthy" condition.

The faults of the load cell can be separated right into three groups according to the principle: A, triggered by flexible body; B, created by electric shock and circuit.

的; C, triggered by the pasting process. No issue what kind of failings will be mirrored with the out of balance output.

The dimension of the no factor result of the tons cell is a reflection of the quality of the manufacturing process and the quality of the layout, as well as it is likewise a prospective failure.

Among one of the most apparent indications.

The zero factor outcome of the tons cell is too big, which positions a potential threat to the reliability of the sensing unit. The modification of absolutely no factor will additionally make.

The stability of the sensor is not assured. It is discovered that the zero point is too big during use, which need to be triggered by a breakdown. The long-term security of the zero factor of the tons cell is a prerequisite technological index in the dependability as well as stability of the sensor. These are the conclusive understandings of the failing of the lots cell during numerous years of work. On this basis, after expedition, it is located that the vacant range outcome and no-load result signal modifications of the lots cell. Making hbm pad digital load cell of analysis, monitoring, and monitoring techniques, it is possible to understand the pulse of the "health" of the lots cell, from the "adjustment amount". "Early and also exact diagnosis of the "health and wellness" condition of the sensor. At the same time, it additionally clarifies the result of the vacant range. The modification of the output of the vacant scale is a focused reflection of 2 vital technical indications of the load cell zero factor as well as linearity.

The tons cell is in the "sub-healthy" condition. One of these sensations suggests that there are "sub-healthy" sensing units in the range.

1. Monitoring.

( 1) Surveillance of vacant ranges with tons cells. Under real weighing conditions, the load-bearing tool weighs the body (or load-bearing evaluating.

The frame) remains in location, and the mechanical parts remain in place. Step the outcome value of each sensing unit of the range under the excitation voltage, and also modify it by setting.

Good number, make an excellent document. This is the result value of the sensing unit's vacant scale.

( 2) No-load tracking of the load cell. Under load cell conveyor considering conditions, place each sensing unit of the scale.

No-load state, gauge the output value of each sensor under the excitation voltage, code the number according to the position, as well as make a document. This is the transmission.

No-load outcome value of the sensor. At the exact same time, the input impedance of the sensor is measured, and the output resistance and also the no-load output are compared with the technological specs given by the producer at the factory.

( 3) After calibrating the scale as well as filling with the standard weight, it is best to determine each of the scales under the condition of typical weight loading.

Just the outcome value of the sensing unit, number it according to the setting, make a record and show the standard weight value. This is the sensing unit's typical weight result.

value.


2. Tracking.

Establish the time gap of the following measurement according to the area of usage, event, setting and also other problems. For every sensing unit.

The vacant range outcome (or standard weight output), no-load outcome for tracking measurement.

( 1) Use the manufacturing void to consistently measure the empty range result and no-load output of each sensor of the range.

The problems can measure the standard weight output of each sensing unit under the exact same basic weight. Make a document and compare it with the initial record.

( 2) When the sensing unit's empty range output (or standard weight outcome) and also no-load outcome modification substantially, the tracking time gap need to be.

Shorten, the tracking thickness should be raised; when the outcome is secure for a long period of time, the tracking void can be properly prolonged.

( 3) The same tons is contrasted by itself at different factors (sections) of the scale, and the resistance is exceeded, as well as the empty range of each sensor is gauged.

Output, no-load outcome, make a record, and also compare to the initial record.

This technique is commonly used under hectic considering conditions to comprehend the operating status of the scale.

( 4) When the sensor's "sub-healthy" sensation appears, it is needed to enhance the outcome of the vacant scale tracking each sensing unit (or.

Basic weight result) The gauged thickness of no-load output, make a record, and also compare it with the original document.

( 5) For digital sensors, make use of the very same method to enter the vacant scale internal code worth, vacant interior code worth, as well as basic weight inner code value.

Conduct surveillance and tracking, and also make excellent records.



The long-term security of the no point of the lots cell is a prerequisite technical index in the integrity and also security of the sensing unit. On this basis, after exploration, it is discovered that the vacant range output and also no-load outcome signal changes of the load cell. At the exact same time, it additionally clarifies the outcome of the empty scale. The modification of the result of the empty scale is a focused reflection of two essential technological indicators of the lots cell zero factor as well as linearity.

One of these sensations suggests that there are "sub-healthy" sensing units in the scale.

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