Data acquisition system

A data acquisition system and control module technology, applied in general control systems, control/regulation systems, instruments, etc., can solve the problems of fixed sampling frequency, poor versatility, and single function, and achieve small system temperature drift, stable operation, and installation. flexible effects

Inactive Publication Date: 2016-10-26
WUXI YANAO ELECTRONICS TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Existing data acquisition systems often have shortcomings such as fixed sampling frequency, single function, and poor versatility

Method used

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  • Data acquisition system

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Embodiment Construction

[0016] The technical solutions in the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0017] combine figure 1 As shown, the data acquisition system includes a control module, the output port of the control module is respectively connected with the D / A conversion output circuit and the PWM output circuit, and the input port of the control module is respectively connected with the digital input / output circuit and the analog input circuit , the control module communicates with the PC through the USB device, the data in the control module is package...

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Abstract

The application discloses a data acquisition system. The system comprises a control module of which the output port is connected with a D / A conversion output circuit and a PWM output circuit. The input port of the control module is connected with a switching input / output circuit and an analog input circuit. The control module communicates with a PC through a USB device. Data in the control module is packaged and then transmitted to the PC through the USB device. Data processing and data analysis are completed using the data processing program of the PC, and are displayed on a designed system interface. Meanwhile, a control command is transmitted to the control module through a USB interface to control peripheral equipment. The novel data acquisition system uses an ADuC845 as a core device, and has the advantages of high sampling resolution, small system temperature drift, stable operation, and strong anti-interference ability. A USB interface is used as the communication interface of the system, so flexible installation, high transmission speed, high reliability and easy expansion are achieved. Data analysis and data processing are completed using the PC.

Description

technical field [0001] The application relates to a data acquisition system, which is suitable for data acquisition and control fields such as medical equipment and industrial control systems. Background technique [0002] Data acquisition, also known as data acquisition, refers to the process of automatically collecting information from analog and digital units under test such as sensors and other equipment under test. As an important branch of information science, data acquisition technology is a comprehensive application technology based on sensors, signal measurement and processing, and computers. As the data acquisition system is widely used in various testing and control systems, people pay more and more attention to the various technical indicators of the data acquisition system, especially the sampling frequency and precision. Existing data acquisition systems often have shortcomings such as fixed sampling frequency, single function, and poor versatility. Contents...

Claims

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Application Information

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IPC IPC(8): G05B19/042
CPCG05B19/0425G05B2219/2612
Inventor 陈凤娟唐余武
Owner WUXI YANAO ELECTRONICS TECH
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