Transmission substation and method having positioning and wireless data acquisition functions and method

A technology of collecting function and wireless data, applied in the direction of digital transmission system, transmission system, data exchange network, etc., can solve the problem of inability to obtain real-time monitoring information, and achieve the effect of speeding up the processing speed

Active Publication Date: 2018-10-26
SHANDONG JINGCHENG ELECTRONICS SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] (3) At present, mobile terminal equipment must access the ground server through the network to obtain on-site environmental parameters and equipment

Method used

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  • Transmission substation and method having positioning and wireless data acquisition functions and method
  • Transmission substation and method having positioning and wireless data acquisition functions and method
  • Transmission substation and method having positioning and wireless data acquisition functions and method

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Comparison scheme
Effect test

Embodiment 1

[0089] as attached figure 1 As shown, the transmission substation with positioning and wireless data acquisition functions of the present invention has a structure including a hardware system, and the hardware system includes a main controller 1, a secondary controller 2, an RTC backup power supply 20, a power supply module 21, and a large LED screen 22 , 2.4G RFID module 3, 485 module, network module 5, CAN module 1, CAN module 2, speech synthesis module 8, display 9, Flash storage module 10 and seven LoRa modules 11, seven LoRa modules 11 are assigned channels 0 to Channel 6 has seven channels, and the load capacity of the LoRa wireless network is increased through seven channels and through frequency division and time division. The main controller 1 is connected to the sub-controller 2, the 2.4G RFID module 3 and the speech synthesis module 8 respectively through the serial port 12; wherein, the 2.4G RFID module 3 is used to collect the information of the personnel position...

Embodiment 2

[0098] The transmission method with positioning and wireless data acquisition functions of the present invention, the transmission method comprises the following steps:

[0099] S1. Data collection and upload:

[0100] S101, 2.4G RFID module 3 sends a time synchronization signal every 1S through the internal timer interrupt. After the 2.4G RFID module in the nearby personnel positioning device receives the time synchronization signal, it will use the random number in the personnel positioning device The 1-digit hexadecimal random code generated by the generator is multiplied by 3 as the time coordinate (in milliseconds) for sending positioning handshake information. Through the ALOHA anti-collision algorithm based on time slots, the transmission substation realizes concurrent identification of multiple (about 100) Personnel positioning equipment, and store the positioning information in the data upload buffer, and upload the positioning information to the ground server when th...

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Abstract

The invention discloses a transmission substation and method having positioning and wireless data acquisition functions, belongs to the technical field of data acquisition, and aims to solve the technical problems of how to realize multi-system fusion under a mine, how to effectively avoid other communication collisions needing frequency submission of data, such as personnel positioning and gas, and improve the communication success rate and how to eliminate the boundedness of transmission of monitoring information. The adopted technical scheme is that the transmission substation structurallycomprises a hardware system, wherein the hardware system comprises a main controller, an auxiliary controller, a 2.4 G RFID (Radio Frequency Identification) module, a 485 module, a network module, a CAN (Controller Area Network) module I, a CAN module II, a voice synthesis module, a display, a Flash storage module and at least one LoRa module; the main controller is connected with the auxiliary controller, the 2.4 G RFID module and the voice synthesis module; and the 2.4 G RFID module is used for acquiring information of personnel positioning equipment to realize the positioning function of the transmission substation. The invention further discloses the transmission method having the positioning and wireless data acquisition functions.

Description

technical field [0001] The present invention relates to the technical field of data acquisition, in particular to a transmission substation and method with positioning and wireless data acquisition functions. Background technique [0002] On December 29, 2016, the National Coal Safety Supervision Bureau issued the "Coal Mine Safety Monitoring System Upgrading Technical Plan", which put forward new requirements for digital transmission, multi-network and multi-system integration, and format standardization. The specific requirements are as follows: [0003] (1) Digital transmission: On the basis of digital transmission from the substation to the central station, upgrade the sensor (analog quantity) to the substation to digital transmission, realize the digitization of the safety monitoring system, and promote the development of intelligent sensors. [0004] (2) Support multi-network and multi-system integration: realize the organic integration of underground wired and wireles...

Claims

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Application Information

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IPC IPC(8): H04W4/38H04W4/80H04L29/08H04L12/40
CPCH04L12/40006H04L67/12H04W4/38H04W4/80H04L2012/40215Y02D30/70
Inventor 杨锐孙华晨李华青
Owner SHANDONG JINGCHENG ELECTRONICS SCI & TECH
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