Gas sampling device

Abstract

The utility model discloses a gas sampling device, and belongs to the technical field of gas sampling. The device mainly comprises a protection box, the protection box is provided with a sealing door, a through groove is formed in the protection box, and a buckling groove is formed in the through groove; the four groups of positioning columns are mounted on the catching grooves; the gas sampling assembly is mounted in the protection box, and the gas sampling assembly is provided with a gas sampling instrument for sampling gas; the filter assembly is mounted on the catching groove, and the filter assembly comprises a filter screen mounted in the catching groove; and the two groups of fastening mechanisms are arranged on the protection box and the filter screen. According to the gas sampling device, through the arrangement of the first mounting base, the protruding end, the plug pin, the filter screen, the second mounting base and the extending end, after the filter screen is used for a long time, many impurities are accumulated on the filter screen, the filter screen can be conveniently taken down from the positioning column, and the filter screen is cleaned and then mounted.

Description

Technical Field

[0001] This application relates to the technical field of gas sampling, and specifically provides a gas sampling device. Background Art

[0002] A gas sampler is a conventional instrument used to collect gas samples in the atmospheric environment or working environment. For example, to understand the concentration and composition of various gas pollutants in the atmosphere, a specific area, etc., so as to evaluate the environmental quality and pollution status and provide a basis for environmental protection decision-making; and to monitor the gases generated during industrial production processes to ensure production safety, process optimization, and compliance with emissions standards, etc.

[0003] Gas sampling is applied in the fields of environmental monitoring, industrial process analysis, scientific research, safety detection, quality control, and health assessment.

[0004] For example, the patent with the publication number CN215831586U specifically discloses a gas sampling safety monitoring device, including a monitor body, a bracket, a protection box, an air inlet, an air outlet, and a limit component. Thus, to a certain extent, it can prevent ground wildlife from interfering with the monitoring activities of the monitor body, and the protection box can further prevent flying and climbing wildlife from damaging the monitor body, thereby ensuring the normal operation of the monitoring device.

[0005] When the above-mentioned patented gas sampling device is in use, the monitor body is placed in the protection box, and the monitor body is started. The dust and insects in the air are filtered through a filter screen. Since the filter screen is fixedly arranged on the air inlet, as the use time of the filter screen increases, dust, impurities and other pollutants accumulate on the filter screen, which in turn affects the accuracy of sampling and may also cause the phenomenon of poor air flow and blockage. Therefore, it is necessary to design a gas sampling device to solve the above problems.

[0006] It should be noted that the above information disclosed in this background art section is only used to understand the background art of the concept of this application, and therefore, it may include information that does not constitute prior art. Summary of the Invention

[0007] Based on the above problems existing in the prior art, the problem to be solved by this application is: to provide a gas sampling device to solve the problem that in the above-mentioned patent, since the filter screen is fixedly arranged on the air inlet, as the use time of the filter screen increases, dust, impurities and other pollutants accumulate on the filter screen, which in turn affects the accuracy of sampling and may also cause the phenomenon of poor air flow and blockage.

[0008] The technical solution adopted by this application to solve its technical problems is: a gas sampling device. It mainly includes: a protection box, which has a sealed door, a through groove is opened on the protection box, and a buckle groove is opened on the through groove; four groups of positioning columns, which are installed on the buckle groove; a gas sampling component, which is installed in the protection box, and the gas sampling component has a gas sampler for sampling gas; a filtering component, which is installed on the buckle groove, and the filtering component includes: a filter screen, which is installed in the buckle groove; two groups of fastening mechanisms, which are installed on the protection box and the filter screen; where: the protection box is suitable for protecting the gas sampling component, the gas sampling component is suitable for sampling gas, the filter screen is suitable for initially filtering gas, and the fastening mechanism is suitable for fastening the filter screen on the protection box to facilitate cleaning of the filter screen.

[0009] Further, the gas sampling component includes a fixed seat installed in the protection box, an installation groove is opened on the fixed seat, the gas sampler is inserted into the installation groove, the gas sampler has a detection port, and the gas sampler has a display screen.

[0010] Further, a tripod component is installed on the protection box, and the tripod component includes a support rod installed on the protection box, three legs are rotatably installed on the support rod, a connecting rod is rotatably connected between the three legs, the connecting rod has a sleeve shaft, the sleeve shaft is rotatably connected to the three legs, and the sleeve shaft is sleeved on the end of the support rod away from the protection box.

[0011] Further, the fastening mechanism includes a first mounting seat installed on the protection box, the first mounting seat has two protruding ends, a plug is movably inserted on the two protruding ends, and through holes adapted to the size of the plug are opened on the two protruding ends;

[0012] The first mounting seat has two positioning plates, a second mounting seat is installed on the filter screen, the second mounting seat has two protruding ends, and through holes adapted to the size of the plug are opened on the two protruding ends.

[0013] Further, the plug has a holding portion.

[0014] The beneficial effect of this application is: a gas sampling device provided by this application, through the settings of the first mounting seat, protruding ends, plug, filter screen, second mounting seat and protruding ends, so that when the filter screen is used for a long time, more impurities accumulate on the filter screen, which is convenient to remove the filter screen from the positioning column, clean the filter screen and then reinstall it.

[0015] In addition to the purposes, features, and advantages described above, the present application has other purposes, features, and advantages. The following will refer to the drawings to further elaborate on the present application in detail. Description of the Drawings

[0016] The accompanying drawings forming a part of this application are used to provide a further understanding of the present application. The schematic embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application. In the drawings:

[0017] Figure 1 is an overall schematic diagram of a gas sampling device in the present application;

[0018] Figure 2 is Figure 1 an explosion schematic diagram of

[0019] Figure 3 is Figure 2 a partial structural schematic diagram of part A in

[0020] Figure 4 is Figure 2 a partial structural schematic diagram of part B in

[0021] Among them, the reference numerals in the drawings are as follows:

[0022] 1. Protection box; 101. Sealing door; 102. Bolt; 103. Through groove; 104. Buckle groove; 105. Positioning post; 2. Gas sampling assembly; 201. Fixed seat; 202. Installation groove; 203. Gas sampler; 204. Detection port; 205. Display screen; 3. Tripod assembly; 301. Leg; 302. Connecting rod; 303. Support rod; 4. Filter assembly; 401. First mounting seat; 402. Protruding end; 403. Plug; 404. Filter net; 405. Second mounting seat; 406. Extended end. Detailed Embodiments

[0023] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The following will refer to the drawings and combine with the embodiments to elaborate on the present application in detail.

[0024] In order to enable those skilled in the art to better understand the solution of the present application, the following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of the present application.

[0025] As Figures 1-4As shown in the figure, the present application provides a gas sampling device, which includes a protection box 1. A sealing door 101 is hingedly connected to the protection box 1, and the sealing door 101 is used to seal the protection box 1. A door bolt device 102 is installed between the protection box 1 and the sealing door 101, and the door bolt device 102 is used to fix one end of the sealing door 101 to the sealing door 101;

[0026] In the present application, the door bolt device 102 is a prior art and will not be elaborated here;

[0027] A gas sampling assembly 2 is installed in the protection box 1. The gas sampling assembly 2 is used to sample gas. The gas sampling assembly 2 includes a fixed seat 201 fixedly installed in the protection box 1, and an installation groove 202 is opened on the fixed seat 201;

[0028] A gas sampler 203 is placed in the installation groove 202. The gas sampler 203 has a detection port 204, and the detection port 204 is used to introduce gas. The gas sampler 203 also has a display screen 205, and the display screen 205 is used to display sampling parameters;

[0029] A tripod assembly 3 is installed on the protection box 1. The tripod assembly 3 is used to support the protection box 1. The tripod assembly 3 includes a support rod 303 fixedly installed on the protection box 1. Three sets of legs 301 are rotatably installed on the support rod 303. A connecting rod 302 is rotatably connected between the three sets of legs 301. The connecting rod 302 has a sleeve, and the sleeve is rotatably connected to the three sets of legs 301. The sleeve is sleeved on the end of the support rod 303 away from the protection box 1;

[0030] A through groove 103 is opened on the protection box 1, and a buckle groove 104 is opened on the through groove 103. A filtering assembly 4 is buckled on the buckle groove 104. The filtering assembly 4 is suitable for preliminarily filtering gas. The filtering assembly 4 includes a filter screen 404 buckled in the buckle groove 104. Four sets of positioning columns 105 are fixedly installed on the buckle groove 104. At the same time, buckle holes adapted to the dimensions of the positioning columns 105 are opened on the filter screen 404;

[0031] Two sets of fastening mechanisms are installed on the protection box 1. The fastening mechanism includes a first mounting seat 401 fixedly installed on the protection box 1. The first mounting seat 401 has two protruding ends 402. A bolt 403 is movably inserted on the two protruding ends 402. At the same time, through holes adapted to the dimensions of the bolt 403 are opened on the two protruding ends 402. The bolt 403 has a holding portion, and the holding portion is perpendicular to the bolt 403. The holding portion facilitates rotating the bolt 403;

[0032] The first mounting base 401 also has two groups of positioning plates (not marked in the figure). At the same time, a second mounting base 405 is fixedly installed on the filter net 404. The second mounting base 405 has two groups of protruding ends 406, and jacks adapted to the size of the plug 403 are provided on the two groups of protruding ends 406;

[0033] The plug 403 is adapted to rotate 90 degrees along the center of the perforation, and then is adapted to move along the axial direction of the plug 403 so that the plug 403 is inserted into the jack. At the same time, the holding part fits on a protruding end 402 close to the second mounting base 405. Rotate the holding part and rotate 90 degrees so that the holding part is clamped between the protruding end 402 and the positioning plate, so that the filter net 404 can be fixed on the protection box 1;

[0034] Working principle:

[0035] When sampling the gas, put the gas sampler 203 into the protection box 1 and plug it into the installation slot 202, then close the sealing door 101, and then start the gas sampler 203 to sample the gas. The sampled gas first passes through the filter net 404 for filtration, and then is sampled by the gas sampler 203, thereby further preventing flying and climbing wildlife from damaging the gas sampler 203, thus ensuring the normal operation of the monitoring device;

[0036] At the same time, when the filter net 404 is used for a long time, more impurities accumulate on the filter net 404, which affects normal air intake. The plug 403 can be rotated 90 degrees along the center of the perforation, and then is adapted to move along the axial direction of the plug 403, so that the plug 403 moves away from the filter net 404, so that the filter net 404 can be removed from the positioning post 105, which is convenient for cleaning and reinstalling the filter net 404.

[0037] The above is only the preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, various changes and modifications can be made to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A gas sampling device, characterized in that: include: A protection box (1), the protection box (1) having a sealed door (101), a through slot (103) being provided on the protection box (1), and a buckle slot (104) being provided on the through slot (103); Four groups of positioning columns (105), the positioning columns (105) being installed on the buckle grooves (104); A gas sampling assembly (2), the gas sampling assembly (2) being installed in the protection box (1), the gas sampling assembly (2) having a gas sampler (203) for sampling gas; A filter assembly (4), the filter assembly (4) being mounted on the buckle groove (104), the filter assembly (4) comprising: A filter screen (404), the filter screen (404) being installed in the buckle groove (104); Two sets of fastening mechanisms, the fastening mechanisms being installed on the protection box (1) and the filter screen (404); The protective box (1) is suitable for protecting the gas sampling assembly (2), the gas sampling assembly (2) is suitable for sampling gas, the filter screen (404) is suitable for preliminary filtering of gas, and the fastening mechanism is suitable for fastening the filter screen (404) to the protective box (1) so as to facilitate cleaning of the filter screen (404); The fastening mechanism comprises a first mounting seat (401) mounted on the protection box (1), the first mounting seat (401) having two groups of protruding ends (402), the two groups of protruding ends (402) being movably plugged with latches (403), the latches (403) having a gripping portion; The latch (403) is suitable for rotating 90 degrees along the center of the perforated hole so as to be suitable for moving along the axial direction of the latch (403) so that the latch (403) is inserted into the insertion hole, and the holding portion is suitable for rotating 90 degrees so as to be engaged between the protruding end (402) and the positioning plate so as to fix the filter (404).

2. A gas sampling device according to claim 1, characterized in that: The gas sampling assembly (2) comprises a fixing seat (201) installed in the protective box (1), the fixing seat (201) is provided with a mounting groove (202), the gas sampler (203) is plugged into the mounting groove (202), the gas sampler (203) has a detection port (204), and the gas sampler (203) has a display screen (205).

3. A gas sampling device according to claim 2, characterized in that: A tripod assembly (3) is installed on the protection box (1), and the tripod assembly (3) comprises a support rod (303) installed on the protection box (1), and three groups of legs (301) are rotatably installed on the support rod (303), and a connecting rod (302) is rotatably connected between the three groups of legs (301), and the connecting rod (302) has a sleeve shaft, and the sleeve shaft is rotatably connected to the three groups of legs (301), and the sleeve shaft is sleeved on one end of the support rod (303) away from the protection box (1).

4. A gas sampling device according to claim 3, characterized in that: The two groups of protruding ends (402) are provided with through holes that match the size of the latch (403), the first mounting seat (401) has two groups of positioning plates, the filter screen (404) is installed with a second mounting seat (405), the second mounting seat (405) has two groups of extended ends (406), and the two groups of extended ends (406) are provided with sockets that match the size of the latch (403).

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