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Data collection system based on network control and universal serial bus (USB) storage equipment

A technology of data acquisition system and storage equipment, which is applied in the direction of transmission system, electrical digital data processing, data exchange through path configuration, etc. It can solve the problems of only contact control and small storage capacity, and achieve strong stability and high storage capacity. The effect of increasing the amount and increasing the scope of application

Inactive Publication Date: 2012-06-27
FUDAN UNIV
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Problems solved by technology

[0006] The purpose of the present invention is to provide a data acquisition system with a large storage capacity and easy remote control for the problem that the existing data acquisition system has a small storage capacity and can only be controlled by contact

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  • Data collection system based on network control and universal serial bus (USB) storage equipment
  • Data collection system based on network control and universal serial bus (USB) storage equipment
  • Data collection system based on network control and universal serial bus (USB) storage equipment

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0021] The working principle of the present invention is as figure 1 As shown, the user sends control commands through the software of the remote host computer, and the hardware protocol stack receives network data packets and converts them into asynchronous frame formats in serial communication, and sends them to the data acquisition module. Complete operations such as switching acquisition channels, changing sampling frequency, starting, and stopping.

[0022] Hardware protocol stack module block diagram of the present invention is as figure 2 As shown, the hardware protocol stack is an embedded system composed of 51 single-chip microcomputer, RTL8019AS Ethernet controller, serial port circuit and uIP open source protocol stack. In the whole system, the network node as the receiving end receives the control data sent by the remote host com...

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Abstract

The invention belongs to the technical field of embedded type data collection, in particular to a data collection system based on network control and universal serial bus (USB) storage equipment. The system comprises a software module of a remote upper computer, a hardware protocol stack module, a data collection module and the like. According to the system, data are collected at real time by a sensor group; and after the data are converted inside a single chip computer, the data are stored into USB storage equipment by utilizing a USB interface chip. In the control aspect, remote network control is adopted, a control information packet is transmitted by utilizing the software of the upper computer through a network, control information is extracted at a hardware protocol stack end, then the control information is transmitted to the data collection module controlled by the single chip computer through a serial port, and the control of switching collection passages, changing the sampling frequency, starting / stopping and the like is realized. The data collection system based on the network control and the USB storage equipment has the characteristics of remote control, high storage quantity, low energy consumption, network resource saving, strong stability, small volume and the like and can adapt to data collection under various environments.

Description

technical field [0001] The invention belongs to the technical field of embedded data acquisition, and in particular relates to a data acquisition system based on network control and a USB storage device. Background technique [0002] Data acquisition (Data Acquisition) is the basic means of obtaining information, which refers to the process of collecting and converting analog quantities such as data, pressure, flow, and displacement into digital signals, and sending them to a computer for storage, processing, and output of processing results. The system that realizes the data acquisition is called the data acquisition system (Data Acquisition system) (DAS). [0003] In the industrial production process, the data acquisition system can be used to realize real-time monitoring of the production process, collect, monitor and record the process parameters of the production site, and provide information and means for improving product quality and reducing production costs. In sci...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L12/28G06F13/38
CPCY02B60/1228Y02B60/1235Y02D10/00
Inventor 叶凡井冰薛元坤李凯王小龙李宁任俊彦
Owner FUDAN UNIV
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