Abstract: A maintenance method of a gas detecting device includes the following steps: providing the gas detecting device that includes a shell component, a sensing component, a dust blocking element, and a detecting area, the sensing component including a sensor, a reference light source, and a processor, and the dust blocking element including a cover; the reference light source generating a reference beam projecting toward the cover and the detecting area, and the reference beam generating a feedback beam projecting toward the cover and the sensor through being reflected by a part of the shell component positioned at the detecting area; the sensor receiving the feedback beam to generate a measured information; and the processor comparing the measured information to an initial information in the processor, so as to obtain a pollution degree information of the cover.

Abstract: A maintenance method of a gas detecting device includes the following steps: providing the gas detecting device that includes a shell component, a sensing component, a dust blocking element, and a detecting area, the sensing component including a sensor, a reference light source, and a processor, and the dust blocking element including a cover; the reference light source generating a reference beam projecting toward the cover and the detecting area, and the reference beam generating a feedback beam projecting toward the cover and the sensor through being reflected by a part of the shell component positioned at the detecting area; the sensor receiving the feedback beam to generate a measured information; and the processor comparing the measured information to an initial information in the processor, so as to obtain a pollution degree information of the cover.

Abstract: The instant disclosure provides a gas detection device including a chamber module, a light emitting module and an optical sensing module. The chamber module comprises a light condensing chamber, a receiving chamber and a sampling chamber connected between the light condensing chamber and the receiving chamber. The light emitting module is disposed on the light condensing chamber for generating a light. The optical sensing module is disposed in the receiving chamber. The sampling chamber comprises a first open end, a second open end corresponding to the first open end, a first surface, and a second surface corresponding to the first surface, the first and second open ends are connected to the light condensing chamber and the receiving chamber respectively, the first surface and the second surface are disposed between the first open end and the second open end, and the first surface is not parallel to the second surface.

Abstract: The instant disclosure illustrates a gas detection device including a chamber module, a light emitting module, and a light sensor module. The chamber module includes a condenser chamber, a receiving chamber and a sampling chamber. The condenser chamber has a first reflective structure and a second reflective structure. The first reflective structure has a first focal point and a second focal point. The second reflective structure has a center point. The first focal point corresponds to the center point. The light emitting module is disposed on the condenser chamber to generate a light. The light emitting module includes a light emitting unit, wherein the light emitting unit corresponds to the first focal point and the center point. The light sensor module includes a light sensor unit, wherein the light sensor unit is disposed in the receiving chamber.

Abstract: The instant disclosure provides a gas detection device including a chamber module, a light emitting module and an optical sensing module. The chamber module comprises a light condensing chamber, a receiving chamber and a sampling chamber connected between the light condensing chamber and the receiving chamber. The light emitting module is disposed on the light condensing chamber for generating a light. The optical sensing module is disposed in the receiving chamber. The sampling chamber comprises a first open end, a second open end corresponding to the first open end, a first surface, and a second surface corresponding to the first surface, the first and second open ends are connected to the light condensing chamber and the receiving chamber respectively, the first surface and the second surface are disposed between the first open end and the second open end, and the first surface is not parallel to the second surface.

Abstract: The instant disclosure provides a gas concentration detection device including a plurality of gas concentration measurement modules and a control module. The control module coupled with the plurality of gas concentration measurement modules. Each gas concentration measurement module including: a gas chamber, a signal generating unit and a sensing unit. The control module providing a plurality of clock signals, wherein each clock signal controls the corresponding signal generating unit to correspondingly generate the medium to enter the gas chamber and pass through the gas. The sensing unit outputs a sensing signal by receiving the medium, and the control module corrects the sensing signals from the sensing units to respectively obtain corrected sensing signals, and the corrected sensing signals are integrated by the control module to obtain a gas concentration signal.