CN219417360U

CN219417360U - Industrial gas detector with air drainage structure

Info

Publication number: CN219417360U
Application number: CN202223063979.6U
Authority: CN
Inventors: 蒲玉伟
Original assignee: Chengdu Anside Technology Co ltd
Current assignee: Chengdu Anside Technology Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-07-25
Anticipated expiration: 2032-11-18

Abstract

The utility model relates to the technical field of industrial gas detection, in particular to an industrial gas detector with an air drainage structure, which comprises a detection device, wherein the back of the detection device is fixedly connected with a mounting panel through screws, the front end edge of the detection device is fixedly connected with a protective frame, the middle part of the detection device is embedded with a display screen, one side of the top of the detection device is fixedly connected with a signal lamp, the other side of the top of the detection device is provided with a wiring through hole, the bottom end of the detection device is fixedly connected with a detection head, the bottom end of the detection head is in threaded connection with a drainage tube, the periphery of the drainage tube is fixedly connected with a guide plate, the improved industrial gas detector is simple and convenient to operate in a connection mode between the detection head and the drainage tube, the detection head adopts a catalytic combustion type sensor to detect industrial gas, and the air inflow of the drainage tube can be increased by using the guide plate distributed in equal angles, and the influence of air flow direction change is avoided.

Description

Industrial gas detector with air drainage structure

Technical Field

The utility model relates to the technical field of industrial gas detection, in particular to an industrial gas detector with an air drainage structure.

Background

The industrial toxic gas detector is an industrial toxic gas safety detection instrument, is used for places with toxic, harmful or inflammable gases such as metallurgy, electric power and the like, and can be matched with a gas alarm controller to be used for places with toxic, harmful or inflammable gases such as petroleum, petrochemical and chemical production device areas, petroleum and natural gas gathering and transportation, fueling/gas filling stations, municipal administration, metallurgy, electric power and the like.

The gas detector is an important safety guarantee device for industrial constructors and plays an extremely important role in industrial production environment.

The inventors found that the following problems exist in the prior art in the process of implementing the present utility model: most of the existing gas detector probes are of cylindrical structures, and through hole structures are formed in the outer walls of the cylinders so as to facilitate the entry of gas to be detected, and when the flow speed of external gas is high, the short stay of the gas in the cylinders is difficult to achieve, so that the detection accuracy is reduced.

Disclosure of Invention

The utility model aims to provide an industrial gas detector with an air drainage structure, so as to solve the problem that the detection precision of equipment is affected when the gas flow rate is too high in the background art. In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an industrial gas detector with air drainage structure, includes detection device, detection device's back is through screw fixedly connected with installation panel, detection device's front end edge fixedly connected with protective frame, detection device's middle part is embedded to have the display screen, detection device's top one side fixedly connected with signal lamp, the wiring through-hole has been seted up to detection device's top opposite side, detection device's bottom fixedly connected with detector head, the bottom threaded connection of detector head has the drainage tube, fixedly connected with guide plate all around of drainage tube.

Further preferably, the central axis of the detecting device is consistent with the central axis of the mounting panel.

Further preferably, the central axis of the protective frame is consistent with the central axis of the detection device.

Further preferably, the central axis of the detecting device is perpendicular to the central axis of the signal lamp.

Further preferably, the central axis of the probe is consistent with the central axis of the drainage tube.

Further preferably, the guide plates are uniformly distributed outside the drainage tube at equal angles, and the guide plates and the drainage tube are of an integrated structure.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the integrated structure is adopted between the mounting panel and the detection device, so that the synchronism of the detection device in the mounting process can be maintained, the protective frame can protect the outer surface of the detection device, the connection mode between the protective frame and the detection device is simpler to operate, and the mounting and replacement operation of the protective frame by a user is facilitated.

In the utility model, the connection mode between the detection head and the drainage tube is simple and convenient to operate, wherein the detection head adopts the catalytic combustion type sensor to detect industrial gas, and the air inflow of the drainage tube can be increased by using the guide plates distributed at equal angles and cannot be influenced by the change of the air flow direction.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic top view of the drainage tube of the present utility model in full section.

In the figure: 1. a detection device; 2. installing a panel; 3. a protective frame; 4. a display screen; 5. a signal lamp; 6. a wiring through hole; 7. a probe; 8. a drainage tube; 9. and a deflector.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present utility model based on the embodiments of the present utility model.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides an industrial gas detector with air drainage structure, including detection device 1, the back of detection device 1 is through screw fixedly connected with installation panel 2, the front end edge fixedly connected with of detection device 1 protects frame 3, the middle part of detection device 1 is embedded to have display screen 4, top one side fixedly connected with signal lamp 5 of detection device 1, wiring through-hole 6 has been seted up to the top opposite side of detection device 1, the bottom fixedly connected with detection head 7 of detection device 1, the bottom threaded connection of detection head 7 has drainage tube 8, fixedly connected with guide plate 9 all around of drainage tube 8.

In this embodiment, as shown in fig. 1 and 3, the central axis of the detection device 1 is consistent with the central axis of the mounting panel 2; the mounting panel 2 and the detecting device 1 adopt an integrated structure, so that the synchronism of the detecting device 1 in the mounting process can be maintained.

In this embodiment, as shown in fig. 1, the central axis of the protective frame 3 is consistent with the central axis of the detecting device 1; the protective frame 3 can protect the outer surface of the detection device 1, and the connection mode between the protective frame 3 and the detection device 1 is simple to operate, so that a user can conveniently install and replace the protective frame 3.

In this embodiment, as shown in fig. 1 and 2, the central axis of the detecting device 1 is perpendicular to the central axis of the signal lamp 5.

In this embodiment, as shown in fig. 1 and 2, the central axis of the probe 7 is consistent with the central axis of the drainage tube 8; the connection mode between the detecting head 7 and the drainage tube 8 is simple and convenient to operate, wherein the detecting head 7 adopts a catalytic combustion type sensor to detect industrial gas.

In this embodiment, as shown in fig. 1 and 2, the baffle plates 9 are equiangularly and uniformly distributed outside the drainage tube 8, and an integral structure is formed between the baffle plates 9 and the drainage tube 8; the intake air amount of the draft tube 8 can be increased by the equiangularly distributed baffle plates 9 and is not affected by the change of the air flow direction.

The application method and the advantages of the utility model are as follows: when the industrial gas detector with the air drainage structure is used, the working process is as follows:

as shown in fig. 1, 2 and 3, firstly, external air enters the temporal part of a drainage tube 8 along a guide plate 9, then, the gas is detected by a detecting head 7, wherein the detecting head 7 adopts a catalytic combustion type sensor to detect industrial gas, the catalytic combustion type sensor belongs to a high-temperature sensor, a detecting element of a catalytic element is formed by wrapping aluminum oxide and an adhesive on a platinum wire coil (phi 0.025-phi 0.05) to form a ball shape, the ball shape is sintered, a catalytic layer of rare metals such as platinum, palladium and the like is coated on the outer surface of the ball shape, and the platinum wire is electrified to keep the detecting element at a high temperature (300-400 ℃), if the ball shape is contacted with combustible gas such as methane gas, the methane burns on the catalytic layer, the burning is substantially the reaction between methane adsorbed on the surface of the element and the adsorbed oxygen ions, CO2 and H2O are generated after the reaction is completed, and oxygen in the gas phase is adsorbed and dissociated by the element, and oxygen ions on the surface of the element are replenished; the element is used for measuring the methane, and the principle is based on the principle of measuring the heat released by the methane combustion reaction on the surface of the element, namely the temperature of a platinum wire coil is increased by combustion, the resistance value of the coil is increased, the concentration of combustible gas can be known by measuring the change of the resistance value of the platinum wire, and the air inflow of the drainage tube 8 can be increased by the guide plates 9 distributed at equal angles and cannot be influenced by the change of the air flow direction.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Industrial gas detector with air drainage structure, including detection device (1), its characterized in that: the utility model discloses a detection device, including detection device (1), detection device, connecting wire through-hole (6) have been seted up to the top opposite side of detection device (1), the bottom fixedly connected with detection device (1) head (7), the bottom threaded connection of detection head (7) has drainage tube (8), the fixedly connected with guide plate (9) around drainage tube (8) in the middle part of detection device (1) is embedded to have display screen (4), the top one side fixedly connected with signal lamp (5) of detection device (1), wiring through-hole (6) have been seted up to the top opposite side of detection device (1).

2. The industrial gas detector with air drainage structure of claim 1, wherein: the central axis of the detection device (1) is consistent with the central axis of the installation panel (2).

3. The industrial gas detector with air drainage structure of claim 1, wherein: the central axis of the protective frame (3) is consistent with the central axis of the detection device (1).

4. The industrial gas detector with air drainage structure of claim 1, wherein: the central axis of the detection device (1) is perpendicular to the central axis of the signal lamp (5).

5. The industrial gas detector with air drainage structure of claim 1, wherein: the central axis of the probe (7) is consistent with the central axis of the drainage tube (8).

6. The industrial gas detector with air drainage structure of claim 1, wherein: the guide plates (9) are uniformly distributed outside the drainage tube (8) at equal angles, and an integrated structure is formed between the guide plates (9) and the drainage tube (8).