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DTU (Data Transfer Unit) data transfer system and method for applying same to transfer data

A data transmission system and data technology, applied in the field of data transmission, can solve the problems of increasing the probability of packet loss and consuming traffic, and achieve the effects of avoiding the loss of instructions, improving reliability, and reducing traffic consumption

Inactive Publication Date: 2017-09-22
南京码讯光电技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, for most real-time data collection processes, the command sent downlink by the master station to the DTU is not necessary, which not only consumes traffic, but also increases the probability of packet loss

Method used

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  • DTU (Data Transfer Unit) data transfer system and method for applying same to transfer data
  • DTU (Data Transfer Unit) data transfer system and method for applying same to transfer data
  • DTU (Data Transfer Unit) data transfer system and method for applying same to transfer data

Examples

Experimental program
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Effect test

Embodiment 1

[0042] Embodiment 1: a kind of DTU data transmission system, as figure 1 As shown, includes DTU and data acquisition equipment. DTU is connected with data acquisition equipment. The DTU includes a control module, and the instruction set is pre-stored in the control module. When the control module runs the instruction set, it actively sends instructions to the data acquisition equipment, so that the data acquisition equipment transmits the collected data to the DTU. DTU sends the received data to the virtual IP server, and the virtual IP server transmits the data to the master station. Also included in the DTU is an enabling switch and a clock circuit. The enabling switch is connected with the control module, and the enabling and disabling of the command set are controlled by the enabling switch. The clock circuit is also connected with the control module, and controls the running period of the instruction set through the clock circuit. The DTU also includes a wireless modu...

Embodiment 2

[0046] Embodiment 2: a kind of method that utilizes above-mentioned DTU data transmission system to transmit data, the flowchart of this method is as image 3 As shown, the method includes the following steps:

[0047] In step A1, an instruction set is pre-stored in the control module, so that the instruction can be run through the control module during use;

[0048] In step A2, start the control module and run the instruction set, so as to control the DTU to send instructions;

[0049] In step A3, the control module controls the DTU to send an instruction to the data acquisition device, so that the data acquisition device receives the instruction and performs data acquisition;

[0050] In step A4, the data acquisition device sends data to the DTU, and the data is converted and wirelessly transmitted through the DTU;

[0051] In step A5, the DTU sends data to the virtual IP server;

[0052] In step A6, the virtual IP server sends data to the master station;

[0053] In ste...

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Abstract

The invention relates to a DTU (Data Transfer Unit) data transfer system and a method for applying the same to transfer data. The DTU data transfer system comprises a DTU, a data acquisition device, a virtual IP (Internet Protocol) server and a master station, wherein the DTU comprises a control module; an instruction set which is used for controlling the DTU to send an instruction is pre-stored in the control module; the data acquisition device is used for receiving the instruction sent by the DTU and transferring the data to the DTU; the virtual IP server is used for receiving the data sent by the DTU and transferring the data; the master station is used for receiving the data transferred by the virtual IP server. The DTU data transfer system disclosed by the invention has the following beneficial effects that during data acquisition and transfer, the DTU initiatively sends the instruction to the data acquisition device by running the instruction set pre-stored in the control module, and the data acquisition device is used for returning the acquired data to the DTU after the instruction is received and transferring the data to the master station through the DTU, so that the instruction is not required to be sent to the master station, flow consumption is reduced, meanwhile, loss of the instruction is avoided, and the reliability of data transfer is increased.

Description

technical field [0001] The invention relates to the field of data transmission, in particular to a DTU data transmission system and a data transmission method using the system. Background technique [0002] DTU is a wireless terminal device specially used to convert serial port data into IP data or convert IP data into serial port data for transmission through the wireless communication network. [0003] For example, the Chinese patent whose authorized announcement number is "CN205541383U" discloses a DTU data communication module. When data is needed, the main platform sends data acquisition instructions to the data acquisition equipment through the DTU, and the data acquisition equipment returns data to the main platform through the DTU after receiving the instructions. [0004] However, for most real-time data collection processes, the command sent downlink by the master station to the DTU is not necessary, which not only consumes traffic, but also increases the probabil...

Claims

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Application Information

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IPC IPC(8): G08C17/02
Inventor 龙全林朱剑华周贤毅
Owner 南京码讯光电技术有限公司
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