Mine downhole intelligent wireless monitoring and positioning system base station

Abstract

The invention provides a mine downhole intelligent wireless monitoring and positioning system base station which comprises a core processor, a power system, a communication interface and a gas sensor, wherein embedded software is arranged in the core processor; the core processor is an ARM processor; the communication interface is composed of a wireless ZigBee module and an industrial CAN bus interface which are respectively connected with the core processor; and the wireless ZigBee module and the core processor are connected with each other and communicate with each other through an SPI port. In the wireless base station, wired communication and wireless communication are switched in a seamless way; the base station is powered by double power supplies, including batteries and downhole alternating current, so that the wireless base station can still perform the function and provide information guarantee for rescue when an accident occurs downhole and the alternating current is cut off; and the wireless base station comprises data of the high quality gas sensor, which can be used for monitoring the gas content in the tunnel. The data of the sensor can also be used for correcting the positioning.

Description

Technical field [0001] The invention is a base station of a mine underground intelligent wireless monitoring and positioning system, which belongs to the field of underground mine positioning and monitoring. Background technique [0002] The establishment of a comprehensive monitoring system and an accurate personnel positioning system in coal mines is the prerequisite for the implementation of the "prevention first" concept of safe production. Wireless base stations are the basis for perfect monitoring and precise positioning. Some patents currently involve research in this area. [0003] CN 201096877Y discloses a wireless positioning system based on ZIGBEE. The main problems of this patent are: (1) It only uses current information to locate, rather than fusing historical data with current data for positioning; (2) It does not integrate mine monitoring functions. [0004] CN 101369944A proposes a mine wireless positioning system based on ZIGBEE and RFID and a layout method thereo...

AI Technical Summary

Problems solved by technology

The main problems of this patent are: (1) only using current information for positioning, rather than combining historical data and current data for positioning; (2) no integrated mine monitoring function

The main problems of this patent: (1) It does not combine positioning and monitoring; (2) RFID is one-way; (3) It only uses current information to locate, rather than combining historical data and current data for positioning;

However, the strength of the wireless signal is subject to too many interference factors. For example, when the human body enters the scene, it will also affect the strength of the wireless signal.

Therefore, the positioning is not accurate

[0006] CN200620101832.3 The mine staff positioning system proposes a concept of wireless positioning and monitoring, but for the key issue of mine positioning: how to use the wireless system for accurate positioning, this patent does not propose a new algorithm

At the same time, the device does not solve the positioning problem based on the fusion method

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