CN215179996U

CN215179996U - Atmospheric pollution detection device

Info

Publication number: CN215179996U
Application number: CN202120369340.7U
Authority: CN
Inventors: 王燕群
Original assignee: Changdu Mingui Industrial Co ltd
Current assignee: Mingui Industrial Co ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-12-14
Anticipated expiration: 2031-02-08

Abstract

The utility model discloses an atmosphere pollution detection device, the supporting leg of symmetry is equipped with including the bottom surface of box, the bottom surface of box is equipped with the air inlet, air inlet and box intercommunication each other, the top surface of box is equipped with the lid, the bottom surface of lid is equipped with sealed piece, be equipped with the gas hood between the sealed piece, the inside of gas hood is equipped with filter equipment, filter equipment is including straining frame, compression spring, fixture block and filter screen, the top surface of lid is equipped with the handle, the top surface of lid is equipped with the air duct. An atmosphere pollution detection device, belong to the detection device field, through the getter device who sets up for with the inside of external air suction box, the filter equipment of setting for filter the floating dust particulate matter in the air, thereby reduce gas detection appearance's measuring error, and improve the life of instrument, convenient to detach washs and changes simultaneously.

Description

Atmospheric pollution detection device

Technical Field

The utility model relates to a detection device field, in particular to atmosphere pollution detection device.

Background

Currently, the market demand for small, mobile atmospheric composition analysis equipment, including gas detectors, capable of obtaining high spatial resolution is rapidly increasing. The gas detector comprises a portable gas detector, a handheld gas detector, a fixed gas detector, an online gas detector and the like, wherein a gas sensor is mainly used for detecting the types of gases existing in the environment, and the gas sensor is used for detecting the components and the content of the gases. But current detection device is detecting the back to external gas, and the inside that the appearance was examined to gas can be entered into to the floating dust particulate matter in the air and adsorb on various sensing parts, because inside part belongs to high accuracy electronic components, can influence the detecting instrument precision after long time, and then can lead to measuring error, still can shorten instrument life simultaneously.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an atmospheric pollution detection device, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an atmospheric pollution detection device, includes the box, the bottom surface of box is equipped with the supporting leg of symmetry, the bottom surface of box is equipped with the air inlet, air inlet and box intercommunication each other, the top surface of box is equipped with the lid, the bottom surface of lid is equipped with sealed piece, be equipped with the gas hood between the sealed piece, the inside of gas hood is equipped with filter equipment, filter equipment is including straining frame, compression spring, fixture block and filter screen, the top surface of lid is equipped with the handle, the top surface of lid is equipped with the air duct, the air duct communicates with the gas hood each other, the front end of air duct is equipped with gaseous detector, the bottom surface of box is equipped with the getter device, the getter device includes fan, installation piece and fixation nut.

Preferably, the lower end of the cover body is fixedly provided with an external thread, the bottom surface of the cover body is fixedly provided with an annular sealing block, the external thread is positioned between the sealing blocks, the bottom surface of the cover body is fixedly provided with an air hood, the air hood is positioned between the external thread, the air hood is conical, and the four sides of the bottom end of the inner wall of the air hood are provided with clamping grooves.

Preferably, the top surface of the cover body is fixedly provided with an air guide pipe, the gas detector is positioned on the top surface of the box body, and the gas detector is used for detecting air.

Preferably, two nut grooves which are symmetrical with each other are formed in the inner bottom wall of the box body, an inner thread groove is formed in the top end of the inner wall of the box body, a sealing groove is formed in the top wall of the box body, a sealing ring is fixedly installed in the groove of the sealing groove, and the sealing structure is used for fixing the cover body on the box body and achieving sealing.

Preferably, spring grooves are formed in four sides of the outer wall of the filter frame, compression springs are fixedly mounted in the spring grooves, clamping blocks are fixedly mounted at the front ends of the compression springs, filter screens are fixedly mounted in the filter frame, the clamping blocks are located in the clamping grooves, and the filter frame is used for filtering floating dust particles in the air, so that the measurement error of a gas detector is reduced, the service life of an instrument is prolonged, and meanwhile, the filter frame is convenient to disassemble, clean and replace.

Preferably, the symmetrical installation blocks are fixedly installed on the side walls of the two sides of the fan, the top surfaces of the installation blocks are provided with through nut grooves, and the fixing nuts are movably installed in the grooves of the nut grooves.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through the getter device who sets up for with the inside of external air suction box, the filter equipment of setting is used for filtering the floating dust particulate matter in the air, thereby reduces gas detection appearance's measuring error, and improves the life of instrument, convenient to detach washs and changes simultaneously.

Drawings

Fig. 1 is a schematic plan view of the overall structure of the present invention;

FIG. 2 is a schematic plan sectional view of the overall structure of the present invention;

FIG. 3 is a schematic sectional view of the connection between the filtering device and the air hood of the present invention;

FIG. 4 is a schematic view of the overall structure of the filtering apparatus of the present invention;

FIG. 5 is a schematic sectional view of the connection between the suction device and the box body of the present invention;

fig. 6 is a schematic view showing a connection section of the cover and the box of the present invention.

In the figure: 1. a box body; 2. supporting legs; 3. an air inlet; 4. a cover body; 5. a handle; 6. a gas detector; 7. an air duct; 8. a gas hood; 9. a filtration device; 10. a suction device; 11. a filter frame; 12. a spring slot; 13. a compression spring; 14. a clamping block; 15. a card slot; 16. filtering with a screen; 17. a fan; 18. mounting blocks; 19. a nut groove; 20. fixing a nut; 21. a sealing block; 22. an external thread; 23. an internal thread groove; 24. a sealing groove; 25. and (5) sealing rings.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-6, an atmospheric pollution detection device, including box 1, the bottom surface of box 1 is equipped with symmetrical supporting leg 2, the bottom surface of box 1 is equipped with air inlet 3, air inlet 3 communicates with box 1 each other, the top surface of box 1 is equipped with lid 4, the bottom surface of lid 4 is equipped with sealed piece 21, be equipped with air shroud 8 between the sealed piece 21, the inside of air shroud 8 is equipped with filter equipment 9, filter equipment 9 includes filter frame 11, compression spring 13, fixture block 14 and filter screen 16, the top surface of lid 4 is equipped with handle 5, the top surface of lid 4 is equipped with air duct 7, air duct 7 communicates with air shroud 8 each other, the front end of air duct 7 is equipped with gas detection appearance 6, the bottom surface of box 1 is equipped with getter device 10, getter device 10 includes fan 17, installation piece 18 and fixation nut 20.

In this embodiment, in order to cooperate with the use of the box 1, the lower end of the cover 4 is fixedly provided with the external thread 22, the bottom surface of the cover 4 is fixedly provided with the annular sealing block 21, the external thread 22 is located between the sealing blocks 21, the bottom surface of the cover 4 is fixedly provided with the gas hood 8, the gas hood 8 is located between the external threads 22, the gas hood 8 is in a conical shape, the four sides of the bottom end of the inner wall of the gas hood 8 are provided with the clamping grooves 15, the cover 4 is fixed on the bottom surface of the box 1 through the external thread 22, sealing is realized through the sealing block 21, and the clamping grooves 15 formed in the gas hood 8 are used for fixing the clamping blocks 14.

In this embodiment, in order to detect the air through the gas detector 6, the gas guiding tube 7 is fixedly installed on the top surface of the cover 4, the gas detector 6 is located on the top surface of the box 1, and after the gas enters the gas hood 8 from the gas inlet 3, the gas enters the gas guiding tube 7 and enters the gas detector 6 from the gas guiding tube 7 for detection.

In this embodiment, in order to fix the lid 4 to the box body 1, nut grooves 19 are formed on the inner bottom wall of the box body 1, the nut grooves 19 are symmetrical to each other in pairs, an inner thread groove 23 is formed at the top end of the inner wall of the box body 1, a sealing groove 24 is formed on the top wall of the box body 1, a sealing ring 25 is fixedly installed in the sealing groove 24, the inner thread groove 23 is used for matching with the external thread 22, the sealing groove 24 installed in the inner thread groove 23 is used for matching with the sealing block 21, and the nut grooves 19 are used for matching with the air suction device 10.

In this embodiment, in order to reduce gas detection appearance 6's measuring error, and improve the life of instrument, convenient to detach washs and changes simultaneously, spring slot 12 has been seted up to four sides of the outer wall of filter frame 11, spring slot 12's inslot fixed mounting has compression spring 13, compression spring 13's front end fixed mounting has fixture block 14, filter frame 11's frame internal fixed mounting has filter screen 16, fixture block 14 is located draw-in groove 15, after making indentation and extension motion in spring slot 12 that compression spring 13 seted up on filter frame 11, the fixture block 14 that will drive the front end gets into or leaves in draw-in groove 15, and filter frame 11 in-frame installation active carbon filter screen 16 will adsorb the floating dust particulate matter in the gas and filter.

In addition, symmetrical mounting blocks 18 are fixedly mounted on both side walls of the fan 17, a through nut groove 19 is formed in the top surface of the mounting block 18, a fixing nut 20 is movably mounted in the groove of the nut groove 19, the fixing nut 20 is screwed into the nut groove 19 formed in the mounting block 18, and the tip end of the fixing nut 20 is inserted into the nut groove 19 formed in the bottom wall inside the case 1.

It should be noted that, when the air pollution detection device of the present invention is used, firstly, the fan 17 is placed on the inner wall of the box body 1, the nut groove 19 formed on the mounting block 18 is aligned with the nut groove 19 formed on the bottom wall inside the box body 1, then the fixing nut 20 is screwed into the nut groove 19 formed on the mounting block 18, so that the front end of the fixing nut enters the nut groove 19 formed on the bottom wall inside the box body 1, then the filter frame 11 is placed inside the air hood 8, during the placing process, the compression spring 13 makes retraction movement in the spring groove 12 formed on the filter frame 11, and drives the fixture block 14 at the front end to abut against the inner wall of the air hood 8, then the filter frame 11 is continuously pushed, after the filter frame 11 is pushed to a certain degree, the compression spring 13 makes extension movement in the spring groove 12, and abuts against the fixture block 14 at the front end into the clamping groove 15 and is fixed, the cover body 4 is taken up by the handle 5, the cover body 4 is screwed into an internal thread groove 23 arranged on the top end of the inner wall of the box body 1 through an external thread 22 arranged at the bottom end, in the screwing use, a sealing block 21 arranged at the bottom surface of the cover body 4 enters a sealing groove 24 arranged on the wall of the top surface of the box body 1 and extrudes a sealing ring 25 arranged in the sealing groove 24, after the cover body 4 is completely fixed on the box body 1, the inner space of the box body 1 is sealed, then a gas detector 6 is mutually connected with a gas guide pipe 7 on the top surface of the cover body 4, if the atmosphere needs to be detected, as long as the fan 17 is started, the fan 17 sucks the outside gas into the box body 1 through the gas inlet 3 and enters the gas hood 8, when the gas passes through the filter frame 11, an activated carbon filter screen 16 arranged in the filter frame 11 can absorb and filter floating dust particles in the air, the rest gas will enter into the gas guide tube 7 and enter into the gas detector 6 from the gas guide tube 7, the gas detector 6 will analyze and detect the gas, if need clear up the activated carbon filter screen 16, only need through the above-mentioned reverse operation of operation realize can.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An atmospheric pollution detection device, its characterized in that: comprises a box body (1), wherein symmetrical supporting legs (2) are arranged on the bottom surface of the box body (1), an air inlet (3) is arranged on the bottom surface of the box body (1), the air inlet (3) is communicated with the box body (1), a cover body (4) is arranged on the top surface of the box body (1), sealing blocks (21) are arranged on the bottom surface of the cover body (4), an air hood (8) is arranged between the sealing blocks (21), a filtering device (9) is arranged inside the air hood (8), the filtering device (9) comprises a filtering frame (11), a compression spring (13), a clamping block (14) and a filtering screen (16), a handle (5) is arranged on the top surface of the cover body (4), an air guide tube (7) is arranged on the top surface of the cover body (4), the air guide tube (7) is communicated with the air hood (8), and a gas detector (6) is arranged at the front end of the air guide tube (7), the bottom surface of the box body (1) is provided with an air suction device (10), and the air suction device (10) comprises a fan (17), an installation block (18) and a fixing nut (20).

2. An atmospheric pollution detection device as claimed in claim 1, wherein: the lower extreme position fixed mounting of lid (4) has external screw thread (22), the bottom surface fixed mounting of lid (4) has annular sealed piece (21), external screw thread (22) are located and between sealed piece (21), the bottom surface fixed mounting of lid (4) has gas hood (8), gas hood (8) are located between external screw thread (22), gas hood (8) present for the toper, draw-in groove (15) have been seted up to the four sides of the inner wall bottom of gas hood (8).

3. An atmospheric pollution detection device as claimed in claim 1, wherein: the gas detector is characterized in that a gas guide pipe (7) is fixedly installed on the top surface of the cover body (4), and the gas detector (6) is located on the top surface of the box body (1).

4. An atmospheric pollution detection device as claimed in claim 1, wherein: nut grooves (19) which are symmetrical in pairs are formed in the inner bottom wall of the box body (1), inner thread grooves (23) are formed in the top end of the inner wall of the box body (1), a sealing groove (24) is formed in the top surface wall of the box body (1), and sealing rings (25) are fixedly mounted in the grooves of the sealing groove (24).

5. An atmospheric pollution detection device as claimed in claim 1, wherein: spring grooves (12) are formed in four sides of the outer wall of the filter frame (11), compression springs (13) are fixedly mounted in the grooves of the spring grooves (12), clamping blocks (14) are fixedly mounted at the front ends of the compression springs (13), filter screens (16) are fixedly mounted in the frame of the filter frame (11), and the clamping blocks (14) are located in clamping grooves (15).

6. An atmospheric pollution detection device as claimed in claim 1, wherein: symmetrical mounting blocks (18) are fixedly mounted on the side walls of the two sides of the fan (17), a through nut groove (19) is formed in the top surface of each mounting block (18), and a fixing nut (20) is movably mounted in the groove of each nut groove (19).