Personnal positioner under well

A personnel positioning and base station technology, which is used in measurement devices, mining devices, and radio wave reflection/re-radiation. It can solve the problems of missing personnel, low reliability of personnel positioning, and easy interference of communication signals to improve reliability , to solve the effect that is easily disturbed

Inactive Publication Date: 2010-02-17
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the complexity and changeability of the underground electromagnetic environment, especially in the case of the longwall mining method commonly used in my country's coal industry, electromagnetic interference is a prominent constraint factor for underground wireless communication. Underground personnel using conventional radio frequency signal transmission mode Positioning device, the communication signal in the mine is easily interfered, the reliability of personnel positioning is extremely low, and serious problems of missing people often occur

Method used

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  • Personnal positioner under well
  • Personnal positioner under well
  • Personnal positioner under well

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] see figure 2 , figure 2 It is a schematic circuit diagram of the base station direct sequence spread spectrum radio frequency module 22 and the base station radio frequency transceiver module 23 of this embodiment.

[0014] The base station direct-sequence spread spectrum radio frequency module 22 of this embodiment is formed by connecting a direct-sequence spread spectrum radio frequency chip 220 and a matching circuit, and a first capacitor C1 is sequentially connected between the radio frequency transceiver port A22 of the base station direct-sequence spread spectrum radio frequency module 22 and the ground , the second capacitor C2, the third inductor L3 and the third capacitor C3, one end of the first inductor L1 is connected to the connection point of the first capacitor C1 and the second capacitor C2, and the other end is connected to the third inductor L3 and the third capacitor C3 The connection point between the second capacitor C2 and the third inductor L3...

Embodiment 2

[0034] see image 3 , image 3 It is a schematic circuit diagram of the ID card direct-sequence spread spectrum radio frequency module and the ID card radio frequency transceiver module of this embodiment.

[0035] The identity card single-chip microcomputer 31 of this embodiment, the identity card direct sequence spread spectrum radio frequency module 32 and the identity card radio frequency transceiver module 33 are designed separately, wherein, the identity card single chip microcomputer 31 and the identity card direct sequence spread spectrum radio frequency module 32 are integrated together, by Freescale The company's MC13213 chip is realized, and the direct-sequence spread spectrum radio frequency chip in the MC13213 chip is image 3 The direct-sequence spread spectrum radio frequency chip 320 in the identity card. The ID card direct-sequence spread spectrum radio frequency module 32 is formed by connecting the identity card direct-sequence spread spectrum radio freque...

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PUM

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Abstract

A positioning device of personnel in the pit consists of a monitoring server, a numbers of base stations set in the pit and multiple status card carried by personnel in the pit. It is featured as connecting processor of each base station separately to monitoring server through bus of each one and connecting radio frequency transceiver module of base station to radio frequency transceiver module ofstatus card by radio mode.

Description

technical field [0001] The invention relates to a personnel positioning device, in particular to an underground personnel positioning device applied to production mines. Background technique [0002] The safety of underground personnel is a key concern in modern coal production and other underground production industries. The underground personnel positioning device is an important facility for real-time positioning and monitoring of the activities of underground personnel. Due to the complexity and changeability of the underground electromagnetic environment, especially in the case of the longwall mining method commonly used in my country's coal industry, electromagnetic interference is a prominent constraint factor for underground wireless communication. Underground personnel using conventional radio frequency signal transmission mode The positioning device, the communication signal in the underground is easily interfered, the reliability of personnel positioning is extrem...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S13/74H04B1/38E21F17/18H04B1/40
Inventor 刘昊方晨钟锐卞海舟朱尚嵩
Owner SOUTHEAST UNIV
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