Patent ID: 9588040
Date: 2017-03-07
CPC Classifications: G01N

Claim:
1. An infrared detection device for detecting coal mine polar gas, comprising: a central processor disposed with an outer casing, the central processor electrically connected to a power supply, a light source, a detector, an alarm and indication lamp, an input and output module, a data collection and storage module, and a gas pool assembly having a moveable optical window, wherein the power supply is electrically connected to a power supply switch and a power supply interface, the input and output module is connected to a computer communication interface, the data collection and storage module is electrically connected to the detector, and the gas pool assembly is located between the light source and the detector; wherein the gas pool assembly comprises: a stationary pool body having a gas inlet with a gas inlet valve, a stationary optical window being fixed at a front end of the stationary pool body by a protection cover for the stationary optical window, a rear stop cover being fixed at a rear end of the stationary pool body; and a moveable pool body inserted into the stationary pool body, a moveable optical window being fixed at a front end of the moveable pool body by a protection cover for the moveable optical window, a pull-and-push handle being provided at a rear end of the moveable pool body.