Gas detection system

Abstract

The utility model belongs to the technical field of gas detection discloses a kind of gas detection system.The gas detection system includes assembly box, and air inlet channel and air outlet channel are provided on assembly box, and assembly box has filter chamber and detection space inside, air inlet channel is connected in filter chamber, and air inlet channel is used to transport the gas to be detected, and filter chamber is used to filter the impurity in gas;Detection space is provided with drive pump and detector for detecting the component and concentration of gas, and one end of air outlet channel is connected in filter chamber, and the other end of air outlet channel is connected in detector by drive pump.The various structures of the gas detection system are respectively arranged in filter chamber and detection space, and finally integrated in the inside of assembly box, greatly simplify structure, reduce size, and have strong practicability.

Claims

1. A gas detection system, characterized in that, include: An assembly box is provided with an air inlet channel (1) and an air outlet channel (2). The assembly box has a filter chamber and a detection space inside. The air inlet channel (1) is connected to the filter chamber. The air inlet channel (1) is used to transport the gas to be tested. The filter chamber is used to filter out impurities in the gas. The detection space is equipped with a drive pump (3) and a detector (4) for detecting the composition and concentration of the gas. One end of the gas outlet channel (2) is connected to the filter chamber, and the other end of the gas outlet channel (2) is connected to the detector (4) through the drive pump (3).

2. The gas detection system according to claim 1, characterized in that, The drive pump (3) is connected to the detector (4) through the output pipe. Along the flow direction of the gas, the output pipe has a front pipe section and a rear pipe section. The front pipe section is connected to a drain pipe. The drain pipe is equipped with a first flow regulator (5). The drain pipe is used to discharge part of the gas in the front pipe section. The rear pipe section is equipped with a second flow regulator (6).

3. The gas detection system according to claim 2, characterized in that, The assembly box has a through first operating port (240) and a through second operating port (250). The first operating port (240) is positioned opposite the first flow regulator (5), and the second operating port (250) is positioned opposite the second flow regulator (6).

4. The gas detection system according to claim 1, characterized in that, The assembly box includes a first box (10) and a second box (20) connected to each other. The filter chamber is disposed in the first box (10), and the detection space is disposed in the second box (20).

5. The gas detection system according to claim 4, characterized in that, The second housing (20) is provided with a second viewing window (210), which is positioned directly opposite the detector (4).

6. The gas detection system according to claim 4, characterized in that, The filter chamber includes a coarse filter chamber (7), a washing chamber (8), and a fine filter chamber (9) connected in sequence. The air inlet channel (1) is connected to the coarse filter chamber (7), and the fine filter chamber (9) is connected to the air outlet channel (2).

7. The gas detection system according to claim 6, characterized in that, The bottom of the coarse filter chamber (7), the gas washing chamber (8) and the fine filter chamber (9) are all provided with a drain pipe (71), and a second shut-off valve (711) is provided at the end of the drain pipe (71) extending out of the assembly box.

8. The gas detection system according to claim 6, characterized in that, The assembly box is provided with a first viewing window (110), which is positioned directly opposite the air washing chamber (8).

9. The gas detection system according to claim 6, characterized in that, The second housing (20) includes a back box (220) and a cover plate (230). The back box (220) is fixedly connected to the first housing (10), and the cover plate (230) is detachably connected to the back box (220). When the cover plate (230) is connected to the back box (220), it encloses and forms the detection space.

10. The gas detection system according to claim 9, characterized in that, The first housing (10) is provided with a liquid filling port (120), which is connected to the gas washing chamber (8) and is located in the detection space.

Images