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Noise reduction and ventilation control device used under mine

A control device and underground mine technology, which can be used in the ventilation of mines/tunnels, mining devices, components of pumping devices for elastic fluids, etc., and can solve the problems of not meeting the ventilation control devices, so as to avoid wind noise and avoid Noise reduction and operation cost savings

Pending Publication Date: 2021-05-07
XINJIANG INST OF ENG
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0002] The counter-rotating local fan used in underground mines not only requires its safe, stable, energy-saving, and intelligent operation in the small underground space, but also ensures that the fan noise meets the safe range value of the job site when it is running on site. , the existing equipment used in coal mines does not have a ventilation control device that meets this condition

Method used

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  • Noise reduction and ventilation control device used under mine
  • Noise reduction and ventilation control device used under mine
  • Noise reduction and ventilation control device used under mine

Examples

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Embodiment 1

[0043] The invention provides a technical solution:

[0044] Please refer to Figure 1-8 , a noise reduction ventilation control device used in mines, comprising a noise reducer 1, an explosion-proof controller 2, a main fan 3, a backup fan 4, a PIC microcontroller 5 and a frequency converter 6, the backup fan 4 and the main fan 3 connection, the noise reducer 1 is installed on the air intake side of the main fan 3, the explosion-proof controller 2 includes an upper box 7 and a lower box 8, and the PIC microcontroller 5 is installed in the lower box 8, the main fan 3 and the standby fan 4 are connected with a first motor 9 and a second motor 10, and the frequency converter 6 is electrically connected with the first motor 9 and the second motor 10;

[0045] A display screen 11 and an alarm 12 are installed on the lower box 8, the main fan 3 is located at a distance of 10 meters from the entrance of the excavation, and a gas sensor 13 and an air volume sensor 14 are installed o...

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Abstract

The invention discloses a noise reduction and ventilation control device used under a mine. The noise reduction and ventilation control device comprises a noise reducer, an explosion-proof controller, a main fan, a standby fan, a PIC single chip microcomputer and a frequency converter, wherein the standby fan is connected with the main fan; the noise reducer is installed on the air inlet side of the main fan; the explosion-proof controller comprises an upper box body and a lower box body; the PIC single chip microcomputer is installed on the lower box body; the main fan and the standby fan are connected with a first motor and a second motor respectively; and the frequency converter is electrically connected with the first motor and the second motor. According to the noise reduction and ventilation control device, the airflow disturbance factor caused in the air flowing process is overcome, air noise caused by airflow disturbance is effectively avoided, intelligent control is achieved by installing an intelligent fan control device, the air volume supplied to the working face by the fans is the optimal air volume, the operation cost can be greatly saved, noise generated by long-time full-load operation can be effectively avoided, and meanwhile the operation safety of the working face can be ensured.

Description

technical field [0001] The invention relates to the technical field of coal mining, in particular to a noise reduction ventilation control device used in underground mines. Background technique [0002] The counter-rotating local fan used in underground mines not only requires its safe, stable, energy-saving, and intelligent operation in the small underground space, but also ensures that the fan noise meets the safe range value of the job site when it is running on site. However, the equipment used in the existing coal mines does not have a ventilation control device that meets this condition for the time being. Contents of the invention [0003] The purpose of the present invention is to provide a noise reduction ventilation control device used in underground mines, which can effectively reduce the noise of the fan, and can intelligently control the wind speed of the fan according to the gas concentration, so as to ensure the energy saving and safety of the working face, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21F1/00E21F17/18F04D25/08F04D27/00F04D29/66
CPCE21F1/006E21F17/18F04D25/08F04D27/004F04D29/667
Inventor 徐立军陈志峰徐蕾李峰
Owner XINJIANG INST OF ENG
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