Portable passive laser gas leakage monitoring equipment

Abstract

The utility model relates to the technical field of passive laser gas monitoring, and discloses a portable passive laser gas leakage monitoring device which comprises an outer box assembly and an explosion-proof box assembly, the explosion-proof box assembly is arranged in the outer box assembly, optical fiber flange joints are installed at the lower end of the rear end of the outer box assembly at equal intervals, and the optical fiber flange joints are connected with the explosion-proof box assembly. A socket and an explosion-proof power switch which are installed on the left side of the outer box assembly penetrate through the outer box assembly and are connected into the left side of the explosion-proof box assembly at the same time, an explosion-proof film upper cover is installed at the front end of the outer box assembly, and an explosion-proof window assembly is embedded into a groove formed in the middle of the explosion-proof film upper cover through screws. According to the portable passive laser gas leakage monitoring equipment, a gas optical signal is driven by the optical fiber flange joint to be transmitted into the explosion-proof box assembly, and meanwhile, an integrated circuit part mounted in the explosion-proof box assembly can be used for monitoring the gas optical signal, so that the convenience of monitoring the gas optical signal is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of passive laser gas monitoring, in particular to a portable passive laser gas leakage monitoring device. Background Art

[0002] Gas measuring devices are widely used in many measurement fields such as toxic and harmful gas monitoring in metallurgy, mining, underground and tunnel environments, industrial gas process analysis, and atmospheric environmental quality analysis. Most existing measurement equipment uses semiconductor tunability and narrow linewidth characteristics to select a specific absorption spectrum line of the gas to be measured. It is necessary to monitor whether the passive laser gas is leaking, so corresponding monitoring devices are needed to avoid hazards caused by gas leakage.

[0003] In the passive laser gas leakage monitoring equipment, the gas optical signal needs to be processed and the processed gas optical signal needs to be transmitted to the monitoring device. In order to ensure the monitoring of the gas optical signal, the internal structure of the monitoring device is complicated. Therefore, the monitoring device cannot timely and accurately monitor and process the gas optical signal leakage and issue an alarm. For this reason, we propose a portable passive laser gas leakage monitoring device. Utility Model Content

[0004] In view of the shortcomings of existing portable passive laser gas leakage monitoring equipment, the utility model provides a portable passive laser gas leakage monitoring equipment, which has the advantages of conveniently monitoring the signal by turning on the explosion-proof power switch to drive the equipment gas and at the same time transmitting the gas optical signal to the inside of the integrated circuit part through the optical fiber flange connector after processing, thereby solving the problems raised in the above-mentioned background technology.

[0005] The utility model provides the following technical solutions: a portable passive laser gas leakage monitoring device, comprising an outer box component and a flameproof box component, the flameproof box component is arranged inside the outer box component, optical fiber flange connectors are installed at equal intervals at the lower end of the rear end of the outer box component, the socket and the explosion-proof power switch installed on the left side of the outer box component pass through the outer box component and are simultaneously connected to the inside of the left side of the flameproof box component, a flameproof membrane upper cover is installed at the front end of the outer box component, an explosion-proof window component is inlaid with screws inside a groove provided in the middle of the flameproof membrane upper cover, an explosion-proof integrated bottom plate is installed at a horizontal and vertical position inside the outer box component, two groups of laser circuit components are installed on the left side of the explosion-proof integrated bottom plate by fastening bolts, a group of DC power supply is installed on the right side of the explosion-proof integrated bottom plate by fastening bolts, and a mainboard conversion group is installed between the DC power supply and the laser circuit component and at the front end of the explosion-proof integrated bottom plate, and the mainboard conversion group and the beam connector component are plug-connected to each other.

[0006] Preferably, two groups of holes are opened on the side of the outer box assembly and the explosion-proof box assembly after they are combined, and the socket and the explosion-proof power switch pass through the inside of the holes.

[0007] Preferably, the beam connector assembly is installed corresponding to the lateral hole position of the explosion-proof box assembly.

[0008] Preferably, the outer box assembly, the socket, the explosion-proof power switch and the explosion-proof window assembly constitute a flameproof outer box assembly, while the explosion-proof window assembly and the flameproof membrane upper cover constitute a shell assembly, and the flameproof outer box assembly and the shell assembly are assembled to form a box body.

[0009] Preferably, a flameproof inner box assembly is included inside the box body, and the flameproof inner box assembly is assembled after the integrated circuit part is installed in the flameproof inner box body. The flameproof inner box body includes a flameproof box assembly, and the integrated circuit part includes an explosion-proof integrated base plate, a mainboard conversion group, a DC power supply, a beam connector assembly and a laser circuit assembly.

[0010] Preferably, a hole is opened on the right side of the explosion-proof box assembly, and a connecting assembly is installed inside the hole, and the connecting assembly is interconnected with a beam connector assembly installed at the front end of the explosion-proof integrated bottom plate.

[0011] Compared with the existing portable passive laser gas leakage monitoring equipment, the utility model has the following beneficial effects:

[0012] 1. This portable passive laser gas leakage monitoring device drives the gas optical signal to be transmitted to the interior of the explosion-proof box assembly through the optical fiber flange connector. At the same time, the integrated circuit installed inside the explosion-proof box assembly can monitor the gas optical signal, thereby improving the convenience of gas optical signal monitoring.

[0013] 2. The portable passive laser gas leakage monitoring equipment is constructed by splicing and installing the gas optical signal on the outside of the explosion-proof integrated base plate, and then installing the explosion-proof integrated base plate inside the explosion-proof box assembly through screws, and then installing the explosion-proof box assembly inside the outer box assembly. At the same time, the explosion-proof membrane cover is controlled to seal the front end of the outer box assembly, thereby facilitating the splicing and installation of the monitoring box. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the front view structure of the utility model without an upper cover;

[0016] Figure 3 This is a side view of the structure of the utility model;

[0017] Figure 4This is a schematic diagram of the back structure of the utility model;

[0018] Figure 5 It is a schematic diagram of the main explosion structure of the utility model.

[0019] In the figure: 1. Outer box assembly; 2. Explosion-proof box assembly; 3. Socket; 4. Explosion-proof power switch; 5. Explosion-proof window assembly; 6. Mainboard conversion group; 7. DC power supply; 8. Beam connector assembly; 9. Laser circuit assembly; 10. Explosion-proof integrated bottom plate; 11. Fiber optic flange connector; 12. Explosion-proof membrane upper cover. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5A portable passive laser gas leakage monitoring device comprises an outer box component 1 and an explosion-proof box component 2. The explosion-proof box component 2 is arranged inside the outer box component 1. The explosion-proof box component 2 is installed inside the outer box component 1. At the same time, the outer box component 1 protects the outside of the explosion-proof box component 2. At the same time, the explosion-proof box component 2 limits the integrated circuit part. Optical fiber flange connectors 11 are installed at equal intervals at the lower end of the rear end of the outer box component 1. The optical fiber flange connectors 11 drive the external monitoring phosgene model to be transported to the inside of the explosion-proof box component 2, and at the same time control the monitoring device to monitor whether the laser gas leaks. The socket 3 and the explosion-proof power switch 4 installed on the left side of the outer box component 1 pass through the outer box component 1 and are connected to the inside of the left side of the explosion-proof box component 2. The explosion-proof power switch 4 drives the device to start, the socket 3 is connected to the power supply, and then the inside of the monitoring device is powered on. The front end of the outer box component 1 is installed with an explosion-proof membrane cover 1 2. The explosion-proof membrane upper cover 12 is installed at the front end of the outer box component 1, and then the explosion-proof membrane upper cover 12 drives the explosion-proof box component 2 to limit the position inside the outer box component 1, and the explosion-proof membrane upper cover 12 seals the front end of the outer box component 1. The inner part of the groove opened in the middle of the explosion-proof membrane upper cover 12 is inlaid with an explosion-proof window component 5 by screws, and the explosion-proof window component 5 limits the monitoring result. An explosion-proof integrated bottom plate 10 is installed in the horizontal and vertical positions inside the outer box component 1, and two groups of laser circuit components 9 are installed on the left side of the explosion-proof integrated bottom plate 10 by fastening bolts. A group of DC power supply 7 is installed on the right side of the explosion-proof integrated bottom plate 10 by fastening bolts. The line monitors the passing laser gas. At the same time, a mainboard conversion group 6 is installed between the DC power supply 7 and the laser circuit component 9 and at the front end of the explosion-proof integrated bottom plate 10, and the mainboard conversion group 6 and the beam connector component 8 are plugged and connected with each other.

[0022] See also Figure 5 Two groups of holes are opened on the side after the outer box component 1 and the flameproof box component 2 are combined, wherein the socket 3 and the explosion-proof power switch 4 pass through the inside of the holes, and holes are installed on the sides of the outer box component 1 and the flameproof box component 2, and the socket 3 and the explosion-proof power switch 4 pass through the holes, and then the socket 3 and the explosion-proof power switch 4 are interconnected with the integrated circuit part, thereby improving the stability of the equipment during installation.

[0023] See also Figure 2 and Figure 4 The light beam connector assembly 8 is installed corresponding to the lateral hole position of the explosion-proof box assembly 2, and the light beam connector assembly 8 drives the signal transmission and aligns for monitoring at the same time.

[0024] See also Figure 5The outer box assembly 1, the socket 3, the explosion-proof power switch 4 and the explosion-proof window assembly 5 constitute a flameproof outer box assembly, while the explosion-proof window assembly 5 and the flameproof membrane upper cover 12 constitute a shell assembly, and the flameproof outer box assembly and the shell assembly are assembled to form a box body, and the flameproof outer box assembly and the shell assembly are assembled to improve the convenience of equipment installation and use.

[0025] See also Figure 5 The box body includes a flameproof inner box assembly, and the flameproof inner box assembly is assembled after the integrated circuit part is installed in the flameproof inner box body. The flameproof inner box body includes a flameproof box assembly 2, and the integrated circuit part includes an explosion-proof integrated bottom plate 10, a mainboard conversion group 6, a DC power supply 7, a beam connector assembly 8 and a laser circuit assembly 9. After the signal is transmitted to the inside of the flameproof inner box assembly, the status can be monitored through the flameproof inner box assembly.

[0026] See also Figure 5 A hole is opened on the right side of the explosion-proof box component 2, and a connecting component is installed inside the hole. The connecting component is interconnected with the beam connector component 8 installed at the front end of the explosion-proof integrated bottom plate 10, and the beam connector component 8 monitors the signal.

[0027] Working principle: When in use, the starter socket 3 is turned on, and the gas enters the patented long-path reflective light sensing terminal with a detailed description. The gas optical signal collected by the terminal passes through the optical fiber flange connector and then passes through 11 to enter the explosion-proof inner box component. The explosion-proof inner box component simulates and analyzes the captured optical signal and converts it, and then displays it quantitatively in a digital form on the explosion-proof window component 5, and simultaneously triggers the external sound and light alarm system, thereby realizing the system's early warning and alarm monitoring of the gas, thereby improving the convenience of gas optical signal monitoring.

[0028] 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 portable passive laser gas leakage monitoring device, comprising an outer box component (1) and a flameproof box component (2), wherein the flameproof box component (2) is arranged inside the outer box component (1), and optical fiber flange connectors (11) are installed at equal intervals at the lower end of the rear end of the outer box component (1), and a socket (3) and an explosion-proof power switch (4) installed on the left side of the outer box component (1) pass through the outer box component (1) and are simultaneously connected to the inside of the left side of the flameproof box component (2), and a flameproof membrane upper cover (12) is installed at the front end of the outer box component (1), and an explosion-proof window component (5) is inlaid with screws in the groove in the middle of the flameproof membrane upper cover (12), characterized in that: An explosion-proof integrated base plate (10) is installed at a horizontal and vertical position inside the outer box assembly (1), two groups of laser circuit assemblies (9) are installed on the left side of the explosion-proof integrated base plate (10) by fastening bolts, a group of DC power supplies (7) is installed on the right side of the explosion-proof integrated base plate (10) by fastening bolts, and a mainboard conversion group (6) is installed between the DC power supply (7) and the laser circuit assembly (9) and at the front end of the explosion-proof integrated base plate (10), and the mainboard conversion group (6) and the beam connector assembly (8) are plugged and connected to each other.

2. A portable passive laser gas leak monitoring device according to claim 1, characterized in that: Two groups of holes are provided on the side of the outer box component (1) and the flameproof box component (2) after they are combined, wherein the socket (3) and the flameproof power switch (4) pass through the inside of the holes.

3. A portable passive laser gas leak monitoring device according to claim 1, characterized in that: The light beam connector assembly (8) is installed corresponding to the lateral hole position of the flameproof box assembly (2).

4. The portable passive laser gas leak monitoring device according to claim 1, characterized in that: The outer box assembly (1), the socket (3), the explosion-proof power switch (4) and the explosion-proof window assembly (5) form a flameproof outer box assembly, while the explosion-proof window assembly (5) and the flameproof membrane upper cover (12) form a shell assembly, and the flameproof outer box assembly and the shell assembly are assembled to form a box body.

5. A portable passive laser gas leak monitoring device according to claim 4, characterized in that: The flameproof inner box assembly is included inside the box body, and the flameproof inner box assembly is assembled after the integrated circuit part is installed in the flameproof inner box body. The flameproof inner box body includes a flameproof box assembly (2), and the integrated circuit part includes an explosion-proof integrated bottom plate (10), a mainboard conversion group (6), a DC power supply (7), a beam connector assembly (8) and a laser circuit assembly (9).

6. The portable passive laser gas leak monitoring device according to claim 1, characterized in that: A hole is provided on the right side of the explosion-proof box assembly (2), and a connecting assembly is installed inside the hole, and the connecting assembly is connected to a beam connector assembly (8) installed at the front end of the explosion-proof integrated bottom plate (10).

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