Device for carrying out gas detection by utilizing multispectral technology

Abstract

The utility model discloses a device for detecting gas by utilizing a multispectral technology, which comprises a bottom shell, a top cover and an operation panel, the top cover is arranged on the upper wall surface of the bottom shell, the utility model relates to the technical field of gas detection, a gas pump works, gas enters an ultraviolet light detection instrument through a gas inlet pipe, and the operation panel is arranged on the bottom shell. The ultraviolet light detection instrument detects gas with water vapor, then the gas enters the mounting groove through the ultraviolet outlet pipe and the communicating pipe, enters the infrared inlet pipe after being dehumidified by the dehumidification cotton and then enters the infrared light detection instrument, the gas without the water vapor is detected, the detection quality is improved, and then the gas is discharged from the gas outlet pipe. When the ultraviolet light detection instrument or the infrared light detection instrument needs to be maintained, the top cover is detached from the bottom shell, then the ultraviolet outlet pipe is separated from the communicating pipe, or the infrared inlet pipe is separated from the communicating pipe, and parts except the mounting groove, the communicating pipe and the dehumidifying cotton are taken out and replaced with new parts, so that the maintenance efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of gas detection, in particular to a device for gas detection using multi-spectral technology. Background Art

[0002] Spectroscopy plays an important role in gas detection. Spectroscopy is an analytical technique that obtains information about the composition, structure, properties, etc. of a substance based on the characteristic spectral information generated by the interaction of matter with light. For gas detection, spectroscopy can determine key parameters such as the type and concentration of the gas by analyzing the spectral characteristics of gas molecules. When the gas to be detected contains a lot of water vapor, the infrared spectrum will be interfered by the water vapor absorption peak and cannot accurately identify and calculate the effective information of some components, resulting in large errors in the detection results of the infrared spectrum. In view of this, a gas detection device combining infrared and ultraviolet spectra is designed.

[0003] There may already be technical means to solve the above problems in the prior art, but this case intends to provide an alternative or replacement technical solution. Utility Model Content

[0004] In order to solve the problems raised in the background technology, the utility model is implemented by the following technical solutions: a device for gas detection using multi-spectral technology, comprising a bottom shell, a top cover and an operation panel, the top cover is installed on the upper wall of the bottom shell, the operation panel is installed on the upper wall of the top cover, and a detection structure is installed on the bottom shell;

[0005] The detection structure includes an ultraviolet light detection instrument and an infrared light detection instrument, which are installed on the inner bottom surface of the bottom shell, an air pump is installed at one end of the ultraviolet light detection instrument, an air inlet pipe is installed at one end of the air pump, an ultraviolet outlet pipe is installed at the other end of the ultraviolet light detection instrument, an air outlet pipe is installed at one end of the infrared light detection instrument, an infrared inlet pipe is installed at the other end of the infrared light detection instrument, a dehumidification component is installed between the ultraviolet outlet pipe and the infrared inlet pipe, and a through-port shielding component is also provided on the bottom shell;

[0006] The dehumidification component includes a mounting groove, which is installed on the inner bottom surface of the bottom shell. Two connecting pipes are symmetrically inserted on the side wall of the mounting groove. The two connecting pipes are respectively connected to the ultraviolet outlet pipe and the infrared inlet pipe. Dehumidification cotton is inserted on the mounting groove.

[0007] Preferably, the opening shielding assembly includes two U-shaped grooves, the two U-shaped grooves are opened on the inner wall surface of the bottom shell, and the two U-shaped grooves respectively match and correspond to the air inlet pipe and the air outlet pipe, and air vents are opened on the side wall surface of the bottom shell and at the positions corresponding to the two U-shaped grooves, and a rod column is movably inserted on the bottom shell, and a shielding plate is installed at one end of the rod column.

[0008] Preferably, the ultraviolet outlet pipe and the connecting pipe, and the infrared inlet pipe and the connecting pipe are all connected by flanges.

[0009] Preferably, a plurality of limit blocks are installed on the inner bottom surface of the bottom shell and match the ultraviolet light detection instrument and the infrared light detection instrument.

[0010] Preferably, sealing rings are installed on both of the two U-shaped grooves.

[0011] Preferably, a handle is installed on the baffle.

[0012] Beneficial Effects

[0013] The utility model provides a device for gas detection using multi-spectral technology. Compared with the prior art, the utility model has the following beneficial effects: when the air pump is working, the gas enters the ultraviolet light detection instrument through the air inlet pipe, the ultraviolet light detection instrument detects the gas with water vapor, then the gas enters the installation groove through the ultraviolet outlet pipe and the connecting pipe, enters the infrared inlet pipe after being dehumidified by the dehumidifying cotton, and then enters the infrared light detection instrument, the gas with water vapor removed is detected, thus improving the detection quality, and then the gas is discharged from the air outlet pipe. When it is necessary to maintain the ultraviolet light detection instrument or the infrared light detection instrument, the top cover is disassembled from the bottom shell, and then the ultraviolet outlet pipe is separated from the connecting pipe, or the infrared inlet pipe is separated from the connecting pipe, and the components except the installation groove, the connecting pipe and the dehumidifying cotton are taken out and replaced with new components, thus achieving high maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of a device for gas detection using multi-spectral technology according to the utility model.

[0015] Figure 2 The utility model is a partial three-dimensional structural schematic diagram of a device for gas detection using multi-spectral technology.

[0016] Figure 3 The utility model is a schematic diagram of a top view of a device for gas detection using multi-spectral technology.

[0017] Figure 4 The utility model is a device for gas detection using multi-spectral technology Figure 3 Schematic diagram of the cross-sectional structure at point A in the middle.

[0018] Figure 5 The utility model is a device for gas detection using multi-spectral technology Figure 4 Enlarged view of point B in the middle.

[0019] In the figure: 1, bottom shell, 2, top cover, 3, operation panel, 4, ultraviolet light detection instrument, 5, infrared light detection instrument, 6, air pump, 7, air inlet pipe, 8, ultraviolet outlet pipe, 9, air outlet pipe, 10, infrared inlet pipe, 11, installation groove, 12, connecting pipe, 13, dehumidification cotton, 14, vent hole, 15, pole, 16, shield, 17, limit block, 18, sealing ring, 19, handle. DETAILED DESCRIPTION

[0020] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0021] Embodiment: Through the personnel in this field, all the electrical components in this case are connected to their adapted power supplies through wires, and a suitable controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the working order. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and does not explain the electrical control.

[0022] See also Figure 1-5 , in order to solve the problem that when the gas to be detected contains a lot of water vapor, the infrared spectrum will be interfered by the water vapor absorption peak and cannot accurately identify and calculate the effective information of some components, resulting in a large error in the detection result of the infrared spectrum, this technical solution is designed, and the detailed technical solution is as follows;

[0023] A device for gas detection using multi-spectral technology, comprising a bottom shell 1, a top cover 2 and an operation panel 3, wherein the top cover 2 is mounted on the upper wall of the bottom shell 1, the operation panel 3 is mounted on the upper wall of the top cover 2, and a detection structure is mounted on the bottom shell 1;

[0024] It should be noted that the bottom shell 1 and the top cover 2 surround the detection structure to protect the detection structure, and the operation panel 3 is used to operate the device and view the detection information;

[0025] Specifically, the detection structure includes an ultraviolet light detection instrument 4 and an infrared light detection instrument 5, which are installed on the inner bottom surface of the bottom shell 1, an air pump 6 is installed at one end of the ultraviolet light detection instrument 4, an air inlet pipe 7 is installed at one end of the air pump 6, an ultraviolet outlet pipe 8 is installed at the other end of the ultraviolet light detection instrument 4, an air outlet pipe 9 is installed at one end of the infrared light detection instrument 5, an infrared inlet pipe 10 is installed at the other end of the infrared light detection instrument 5, a dehumidification component is installed between the ultraviolet outlet pipe 8 and the infrared inlet pipe 10, and a through-port shielding component is also provided on the bottom shell 1;

[0026] Specifically, the dehumidification component includes a mounting groove 11, which is mounted on the inner bottom surface of the bottom shell 1, and two connecting pipes 12 are symmetrically inserted on the side wall of the mounting groove 11, and the two connecting pipes 12 are respectively connected to the ultraviolet outlet pipe 8 and the infrared inlet pipe 10, and a dehumidification cotton 13 is inserted on the mounting groove 11;

[0027] It should be noted that when the air pump 6 is working, the gas enters the ultraviolet light detection instrument 4 through the air inlet pipe 7, and the ultraviolet light detection instrument 4 detects the gas with water vapor. Then the gas enters the installation groove 11 through the ultraviolet outlet pipe 8 and the connecting pipe 12, and enters the infrared inlet pipe 10 after being dehumidified by the dehumidifying cotton 13, and then enters the infrared light detection instrument 5 to detect the gas without water vapor, thereby improving the detection quality, and then the gas is discharged from the air outlet pipe 9. When it is necessary to maintain the ultraviolet light detection instrument 4 or the infrared light detection instrument 5, the top cover 2 is disassembled from the bottom shell 1, and then the ultraviolet outlet pipe 8 is separated from the connecting pipe 12, or the infrared inlet pipe 10 is separated from the connecting pipe 12, and the components other than the installation groove 11, the connecting pipe 12, and the dehumidifying cotton 13 are taken out and replaced with new components, so that the maintenance efficiency is high. When it is necessary to replace the dehumidifying cotton 13 horizontally, the dehumidifying cotton 13 in the installation groove 11 is taken out and replaced with a new one.

[0028] Specifically, the port shielding assembly includes two U-shaped grooves, which are provided on the inner wall of the bottom shell 1, and the two U-shaped grooves are matched and corresponded to the air inlet pipe 7 and the air outlet pipe 9 respectively. A vent hole 14 is provided on the side wall of the bottom shell 1 and at the positions corresponding to the two U-shaped grooves. A rod column 15 is movably inserted on the bottom shell 1, and a shield plate 16 is installed at one end of the rod column 15.

[0029] It should be noted that when the air pump 6 is working, the gas flows through the vent 14. During non-detection working hours, the shield 16 is attached to the side wall of the bottom shell 1 to block the vent 14 and prevent dust from entering the device. When gas detection is required, the shield 16 is pulled to drive the rod 15 to move and expose the vent 14.

[0030] As a preferred embodiment, further, the ultraviolet outlet pipe 8 and the connecting pipe 12, and the infrared inlet pipe 10 and the connecting pipe 12 are all connected by flanges, which are convenient for disassembly and assembly;

[0031] As a preferred embodiment, further, a plurality of limit blocks 17 are installed on the inner bottom surface of the bottom shell 1 and matched with the ultraviolet light detection instrument 4 and the infrared light detection instrument 5, for limiting the installation of the ultraviolet light detection instrument 4 and the infrared light detection instrument 5;

[0032] As a preferred embodiment, further, sealing rings 18 are installed on both U-shaped grooves to prevent gas from entering the bottom shell 1 and the top cover 2 except for the ultraviolet light detection instrument 4 and the infrared light detection instrument 5;

[0033] Preferably, further, a handle 19 is installed on the shield 16 to facilitate pulling the shield 16 .

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for gas detection using multi-spectral technology, comprising a bottom shell (1), a top cover (2) and an operation panel (3), wherein the top cover (2) is mounted on the upper wall of the bottom shell (1), and the operation panel (3) is mounted on the upper wall of the top cover (2), characterized in that: A detection structure is installed on the bottom shell (1); The detection structure comprises an ultraviolet light detection instrument (4) and an infrared light detection instrument (5), wherein the ultraviolet light detection instrument (4) and the infrared light detection instrument (5) are mounted on the inner bottom surface of the bottom shell (1), an air pump (6) is mounted on one end of the ultraviolet light detection instrument (4), an air inlet pipe (7) is mounted on one end of the air pump (6), an ultraviolet light outlet pipe (8) is mounted on the other end of the ultraviolet light detection instrument (4), an air outlet pipe (9) is mounted on one end of the infrared light detection instrument (5), an infrared light inlet pipe (10) is mounted on the other end of the infrared light detection instrument (5), a dehumidification component is mounted between the ultraviolet light outlet pipe (8) and the infrared light inlet pipe (10), and a through-hole shielding component is also mounted on the bottom shell (1); The dehumidification component comprises a mounting groove (11), the mounting groove (11) being mounted on the inner bottom surface of the bottom shell (1), two connecting pipes (12) being symmetrically inserted on the side wall surface of the mounting groove (11), the two connecting pipes (12) being respectively connected to the ultraviolet outlet pipe (8) and the infrared inlet pipe (10), and a dehumidification cotton (13) being inserted on the mounting groove (11).

2. The device for gas detection using multi-spectral technology according to claim 1, characterized in that: The opening shielding assembly comprises two U-shaped grooves, the two U-shaped grooves are arranged on the inner wall surface of the bottom shell (1), and the two U-shaped grooves are matched and correspond to the air inlet pipe (7) and the air outlet pipe (9) respectively. A vent hole (14) is arranged on the side wall surface of the bottom shell (1) and at the position corresponding to the two U-shaped grooves. A rod column (15) is movably inserted on the bottom shell (1), and a shield plate (16) is installed at one end of the rod column (15).

3. The device for gas detection using multi-spectral technology according to claim 1, characterized in that: The ultraviolet outlet pipe (8) and the connecting pipe (12), as well as the infrared inlet pipe (10) and the connecting pipe (12) are all connected by flanges.

4. The device for gas detection using multi-spectral technology according to claim 1, characterized in that: A plurality of limit blocks (17) are installed on the inner bottom surface of the bottom shell (1) and are matched with the ultraviolet light detection instrument (4) and the infrared light detection instrument (5).

5. The device for gas detection using multi-spectral technology according to claim 2, characterized in that: Sealing rings (18) are installed on the two U-shaped grooves.

6. The device for gas detection using multi-spectral technology according to claim 2, characterized in that: A handle (19) is installed on the shield (16).

Images