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Four-path data acquisition system based on single-chip microcomputer

A technology of data acquisition system and single-chip microcomputer, which is applied in general control system, control/regulation system, computer control, etc., can solve the problems of high cost, long system development time, and complex system.

Inactive Publication Date: 2016-06-01
JIANGSU LVYANG ELECTRONICS INSTR GROUP
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  • Abstract
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AI Technical Summary

Problems solved by technology

This design method uses more components, the system is complex, the cost is high, and the system development time is relatively long.

Method used

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  • Four-path data acquisition system based on single-chip microcomputer
  • Four-path data acquisition system based on single-chip microcomputer

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Embodiment Construction

[0020] The four-way data acquisition system based on the single-chip microcomputer of the present invention adopts the following technical scheme: it includes a single-chip microcomputer, an A / D converter, an analog multiplex switch, a data amplifier, a pressure sensor, a temperature sensor, a DC power supply, memory expansion, 8279 drivers, Keyboard, LED display, MCU respectively communicate with A / D converter, memory expansion, 8279 driver, A / D converter is connected with DC power supply and data amplifier through analog multiplex switch, data amplifier is connected with pressure sensor, temperature sensor, 8279 The driver is respectively connected with the keyboard and the LED display.

[0021] The core of the system is a single-chip microcomputer system composed of single-chip microcomputer, EPROM and RAM, among which EPROM is used to store the control program of the system, and RAM is used to store the collected data and so on. The forward channel is based on the A / D conv...

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Abstract

The invention belongs to the field of data acquisition. A four-path data acquisition system based on a single-chip microcomputer comprises the components of the single-chip microcomputer, an A / D converter, an analog multipath changeover switch, a data amplifier, a pressure sensor, a temperature sensor, a DC power supply, a memory expansion, a 8279 chip driver, a keyboard and an LED display device. The single-chip microcomputer communicates with the A / D converter, the memory expansion and the 8279 chip driver. The A / D converter is connected with the DC power supply and the data amplifier through the analog multipath changeover switch. The data amplifier is connected with the pressure sensor and the temperature sensor. The 8279 chip driver is connected with the keyboard and the LED display device. A main program in the four-path data acquisition system mainly finishes operations of initializing a programmable chip 8279, setting an operation manner or initial state, and initializing a serial interface.

Description

technical field [0001] The invention belongs to the field of data acquisition, in particular to a single-chip microcomputer-based data acquisition system. Background technique [0002] One of the main applications of computer in the industrial field is to combine with the original equipment to form a new digital and intelligent measurement and control system, so as to improve the performance of the original equipment. With the rapid development of computer technology, the field of application is expanding day by day, various types and series of single-chip microcomputers are introduced continuously, and many new technologies and processes are adopted, so it has higher performance-price ratio. [0003] In modern industry, multi-channel data acquisition and monitoring has become an increasingly important detection technology, widely used in industry and agriculture where multiple channels of temperature, humidity and pressure need to be monitored simultaneously. [0004] With...

Claims

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Application Information

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IPC IPC(8): G05B19/042
Inventor 蔡习荣冯锦法
Owner JIANGSU LVYANG ELECTRONICS INSTR GROUP
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