2022 Holl Effect Joystick | Holl Effect Joystick

2022 Holl Effect Joystick | Holl Effect Joystick

The Hall effect is particularly important in applied technology. The Hall device made according to the Hall effect is to use the magnetic field as the working medium to convert the motion parameters of the object into the form of digital voltage output, so that it has the functions of sensing and switching.

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Applications of the Hall Effect

Various Hall elements developed by people using the principle of Hall effect have been widely used in industrial sectors such as precision magnetic measurement, automatic control, communication, computer, aerospace and national defense. According to the nature of the detected objects, their applications can be divided into direct applications and indirect applications. The direct application is to directly detect the magnetic field or magnetic characteristics of the detected object itself, and the indirect application is to detect the artificially set magnetic field on the detected object, and use this magnetic field as the carrier of the detected information. The physical quantities, such as force, torque, pressure, stress, position, displacement, speed, acceleration, angle, angular velocity, number of revolutions, rotational speed, and the time when the working state changes, are converted into electricity for detection and control.

Applications of the Hall Effect

What is the construction principle of the holl effect joystick?

The Hall handle is a widely used one at present, which is difficult to maintain and doubtful. We should have a good understanding of its structure and principles. Hall-type speed regulation is based on Hall sensors. Under the action of the magnetic field, a voltage is generated and output to the control circuit. It uses a sawtooth wave for synthesis and modulates the PWM pulse width. The pulse duty cycle varies with the magnetic field strength, and the output voltage varies with it. After a series of amplification and transmission, the power switch circuit is finally controlled to drive the motor according to the control signal. The Hall-type speed control handle has a single magnet closed or remote; it has a double magnet; it has an arc magnet.
Hall handles produced by Hall technology and some other components produced by Hall technology have been widely used in various industrial fields. Of course, now Hall technology is developing into the three-dimensional field, and this technology can already be used to detect the position and trajectory of three-dimensional objects, and formulate corresponding motion laws according to the three-dimensional space structure, and at the same time, according to the laws, each position of the handle is adjusted. control, so as to realize the unmanned operation of the handle and reduce labor costs for the daily production of the enterprise.

What is the construction principle of the holl effect joystick?

Holl effect joystick and potentiometer stick comparison

With the increase in demand for electronically controlled handles, social needs have ushered in greater challenges, both to meet the requirements of use and to reduce costs. These requirements include, but are not limited to, sensitivity, precision, low power, operating feel, dimensional customization, etc. In industrial environments, precise control of heavy equipment plays a vital role in preventing workplace injuries or lost productivity.

There are many types of industrial electronic joysticks on the market today to meet the needs of OEMs and operators in industrial, commercial and consumer environments. In industrial applications, industrial joysticks for machines and equipment play a vital role. Therefore, it is important to have an understanding of the two main types of industrial joysticks: holl effect joysticks and potentiometer joysticks.

A potentiometer is a variable resistor that is slid with a brush to change the resistance. Potentiometers are often used as analog voltage dividers to provide a voltage output signal and electrical components are fabricated using several materials such as carbon, cermet, etc. Each option has its own advantages and disadvantages, however, due to the sliding friction of the brush, the loss of potentiometer use is unavoidable. Because of their low life span, carbon potentiometers are not commonly used in industrial joystick applications and are best used in less intensive environments such as equipment function panels.

The holl effect joystick uses a non-contact device to detect magnetic fields. Controlling the voltage output based on a change in the magnetic field, the Hall effect sensor acts like a potentiometer and eliminates the element of life loss, since there is no need for a sliding contact brush. The magnet is coupled to the end of the rocker and is placed close to the Hall-effect chip, but never touches it. While holl effect joysticks can prolong life, there are other factors to consider, such as temperature changes or available supply voltage.

Therefore, when selecting the type of electronic control handle, the use environment is an important reference.

Holl effect joystick and potentiometer stick comparison
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