Views: 95 Author: Site Editor Publish Time: 2019-03-07 Origin: Site
Definition
Weighing display is a meter that displays the quality and weighing status of the alleged object in an electronic weighing device. Weighing display is the original analog indicator, by the error amplifier, reversible motor, balance bridge, excitation power supply, degree disk and pointer and other parts, according to the principle of automatic balance of electronic potential difference meter work. It weighs slowly, has a single function, has low accuracy, and is now largely eliminated. The weighing display is now used as a digital display.
Structure Principle
The digital display is treated with an electrical signal output from the weighing sensor. There is also a numerical amount of analog electrical signals, the most common being several to dozens of millivolts of analog voltages. Incentive power supply supply weighing sensor operating power supply, at the same time supply A/D (mode/number) conversion Unit reference voltage, its stability is generally more than 0.1%. Data processing unit is a microprocessor as the core, the use of peripheral support chip composition, it in the control of the program to complete the acquisition of data, operations, storage and a series of operations, processing results sent to the corresponding interface.
LP7515 Waterproof Portable Weighing Indicator
Development Trend
Increase investment in science and technology, strengthen basic application research. In the field of metering weighing control, new technologies have been widely used, such as: the establishment of control mathematical models, System theory, fuzzy theory, artificial intelligence, neural networks, digital filtering, vibration theory, damping technology, self-diagnosis and adaptive technology, etc., for example, The SK-PLC control instrument developed by the Jinshan company of Hefei Hospital has been used in the quantitative control system of pulverized coal, and has abandoned the original idea of simple PID regulation control, and has greatly rubbed the new technology in the fields of digital filtering, artificial intelligence, self-diagnosis and adaptive, feedforward regulation and so on, which has been proved to be very effective by field practice.
Research and development of weighing display controller with independent intellectual property rights, taking the road of internal and external development.
In a word, the development trend of weighing indicator still have a broad prospect.
