With the rapid development of industrial automation, resistance strain gauge weighing

The sensor is widely used because of its simple structure and high measurement accuracy

Pan-application. However, in the face of the performance requirements of industrial production

How to further improve its comprehensive performance has become a research fever

Dot. In order to meet the needs of modern industrial automation, this paper starts with innovative materials

application, advanced process improvement, intelligent technology introduction and system set

From the perspective of multi-sensor collaboration, the resistance strain scale is proposed

Diversified strategies to improve the comprehensive performance of heavy sensors. By exploring the new

materials, optimized manufacturing processes, combined with intelligent technology, aimed at realization

Now the sensor accuracy, stability, ease of use and reliability are complete

Face lifting.

1 

The working principle of a resistive strain gauge load cell

Sensors, as the source of information perception in the field of engineering technology,

Able to simulate human senses, perceive and measure a variety of physical quantities. according to

GB/T7665-2005 standard, the sensor can convert specific physical quantities

An output signal that is easy to identify, process, and display, such as the amount of electricity or it

He correlates the amount. Resistance strain gauge load cells press their external information and information

The transformation effect, which belongs to the physical property transmission in the category of physical sensors

The sensor is constructed using the law of matter in physics, Hooke's law

[1]. This law is the law that expresses the objective properties of metallic materials,

i.e. σ=Eε. Sensitive components are responsible for identifying and detecting weight changes, and:

Convert it into a physical quantity associated with it. The conversion component will be this

The physical quantity is converted into an electrical signal for the processing and transmission of subsequent circuits

Lose. Finally, the signal conversion circuit converts the electrical signal into a digital signal

for easy data acquisition, display and reading.

Strain gauge load cells are the most commonly used type of sensor

The device, its sensitive element is an elastic body and the conversion element is adhered to the elastic body

The resistance strain gauge on the body. It is adhered to the elastic element under the action of load

The resistance strain gauge on the piece senses elastic deformation and generates resistance variation

By using the resistance strain gauge pasted on it, the strain is converted into

The change of resistance. The received resistance change is transformed through the measurement circuit

It is converted into an electrical signal output and then displayed by the subsequent equipment to show the magnitude of the measured load

[2] Strain gauge load cells feature a simple structure, small size and excellent performance

Stable and reliable, high precision, simple conversion circuit, long service life and

It has the advantages of simple application, etc.

2

Strategies for enhancing the resistance to eccentric and lateral loads

In resistance strain type load cells, increase their eccentric load

The ability to resist loads and lateral loads is the key to achieving high-performance measurement

Key. For this reason, we need to start from the structural design and resistance of the elastic element

The pasting position of the strain gauge and the design of the Wheatstone bridge circuit, etc

Conduct in-depth discussions and optimizations from multiple dimensions.

2.1

In-depth Discussion and Optimization of the Structural Design of Elastic Elements

The elastic element is the core component of the load cell, and its structural design

The rationality of the meter directly affects the measurement accuracy and stability of the sensor

Sex. In order to enhance the sensor's resistance to eccentric loads and lateral loads

We need to conduct a thorough exploration of the structural design of elastic elements

Search and Optimization [3].

(1) Comparative analysis of multiple structures

Cylindrical and bridge types are two common structures of elastic elements. round

The column structure, with its simple geometric shape and excellent stress distribution characteristics

It is renowned for its performance and is suitable for a variety of load conditions. The bridge structure passes through

Its unique bridge arm design achieves a highly sensitive response to the load

It should perform exceptionally well, especially under vertical loads. However, when it comes to bias

Under core load and lateral load, both of these structures may exhibit one

The limitations of determination. Therefore, we need to analyze them in detail in terms of complexity

Deformation characteristics, stress distribution and recovery capacity under load

So as to provide a basis for structural optimization.

(2) Spherical design and the essence of load transmission by steel balls

To reduce the influence of lateral force on the sensor, the spherical design and

Steel ball load transfer is two effective technical means. Spherical design enables

The load can be evenly distributed on the contact surface, thereby effectively reducing the stress

The force concentration phenomenon can increase the service life of the sensor. And the steel ball is passed

The transfer load greatly reduces the frictional resistance through its rolling contact mode

The force enables the lateral force to be effectively dissipated, improving the sensor's measurement accuracy

Measure accuracy. An in-depth analysis of the principles and practical effects of these two designs

It is beneficial for us to optimize the structure of elastic elements and improve the performance of sensors

Great significance.

(3) Implementation suggestions for structural innovation

Based on the above analysis, we can propose a series of innovative ones

Structural design suggestions. For example, by introducing new types of high strength and high toughness

Use elastic materials to enhance the rigidity and toughness of the elastic element, enabling it to face

It can still maintain stable performance under complex loads [4]. Meanwhile, we can

Optimize the spherical design to achieve a more uniform load distribution and reduce stress

Force concentration phenomenon. In addition, the bridge arm shape of the bridge structure can also be improved

Shape and size to enhance its resistance to eccentric loads and lateral loads

Ability. These innovative structural design suggestions are expected to be significantly enhanced

The comprehensive performance of the sensor.

2.2

Fine adjustment and verification of the adhesion position of the resistance strain gauge

The bonding position of the resistance strain gauge is related to the performance of the load cell

It can have a significant influence. A reasonable pasting position can ensure strain

The sensor undergoes the maximum deformation under the action of load, thereby enhancing the sensor

The sensitivity and accuracy. Therefore, we need the resistance strain gauge

Make fine adjustments and verifications to the pasting position.

(1) In-depth analysis and experimental verification of position influence

We need to conduct a detailed analysis of the bonding position of the resistance strain gauge for weighing

The specific impact of sensor performance. This includes different pasting positions

The deformation characteristics, resistance variation law and stable signal output of strain gauges

Qualitative research. Through experimental verification, we can observe it intuitively

The measurement accuracy and stability performance of the sensor under different pasting positions

So as to provide a basis for optimizing the pasting position.

(2) Exploration and implementation of optimization strategies

Based on the above analysis and experimental verification results, we can explore

How to optimize the bonding position of the resistance strain gauge. For example, through finite

Meta-analysis method, simulating the deformation sum of strain gauges under different bonding positions

Determine the optimal bonding position based on the change in resistance. Meanwhile, we can take the exam

The stress distribution characteristics under the action of the filter load, and the strain gauge is adhered to the corresponding

The area with concentrated force to enhance the sensitivity and accuracy of the sensor. this

The implementation of these optimization strategies is expected to significantly enhance the eccentricity load of the sensor

The resistance to loads and lateral loads.

2.3

Advanced Optimization and Implementation of Wheatstone Bridge Circuit Design

The Wheatstone bridge circuit is a key circuit part in the load cell

The rationality of its design directly affects the performance and precision of the sensor

Degree. To enhance the performance of the sensor under complex load conditions, I

We need to carry out advanced optimization and implementation of the design of the Wheatstone bridge circuit

Now.

2

A comprehensive elaboration of the circuit's function and performance analysis

The Wheatstone bridge circuit plays a crucial role in the load cell

The function. It can convert the deformation of the elastic element into an electrical signal for transmission

Out, thereby achieving precise measurement of the load. We need to explain comprehensively

Describe the working principle, signal conversion process and output characteristics of this circuit

And conduct an in-depth analysis of its performance. Through performance analysis, I

We can understand the performance of the circuit under complex load conditions for optimization

The design provides a basis.

(2) In-depth analysis and improvement strategies for accuracy and stability

To enhance the performance of the sensor under complex load conditions, I

We need to conduct an in-depth analysis of the Wheatstone bridge circuit design for weighing accuracy and

The influence of stability [5]. This includes matching the resistors in the circuit and the power supply

Research on voltage stability and aspects such as signal amplification and filtering. The base

Based on the in-depth analysis results, we can propose a series of improvement strategies.

Such as introducing high-precision resistors and advanced amplification and filtering technologies to improve

The signal-to-noise ratio of the signal Automatic calibration technology is adopted to eliminate temperature drift

Errors such as shift and zero offset. Optimize the power supply circuit design to ensure

The stability of the power supply voltage, etc. The implementation of these improvement strategies is expected

Significantly improve the measurement accuracy and stability of the sensor.

3

Other diversified suggestions and verifications for comprehensive performance improvement

In pursuit of enhancing the comprehensive performance of resistance strain gauge load cells

During the process, we should not be limited to the optimization of core components. FACTS

From material selection, process improvement to the introduction of intelligent technologies,

From system integration to multi-sensor fusion, every link is full of potential

It has huge potential for improvement. Below, we will delve deeper into these aspects

Discuss to provide more comprehensive suggestions for improving the performance of sensors

And carry out the corresponding verification.

3.1

Application of innovative materials and exploration and verification of advanced processes

Revolutionary application and verification of new materials

With the rapid development of technology, the emergence of new materials has become renowned

The leap in the performance of heavy sensors makes it possible. For example, carbon fiber

Composite materials, with their light weight and high strength, can be significantly enhanced

The structural strength of the sensor, along with its excellent thermal stability, can also

Ensure the stable performance of the sensor in high or low temperature environments. For

To verify the revolutionary application effect of this material, we made a comparison

Experiment. The experimental results show that the sensing using carbon fiber composite materials

The instrument demonstrates significant advantages in both structural strength and measurement accuracy.

In addition, nanomaterials also have broad application prospects. By

It is applied to the sensitive element of the sensor, and we observed the sensor

Significant improvement in sensitivity and response speed. These verification results are sufficient

It has been proved that the new material has great potential in improving the performance of sensors

Force.