CN212031073U

CN212031073U - Device for sampling atmospheric molecular pollutants

Info

Publication number: CN212031073U
Application number: CN202020657309.9U
Authority: CN
Inventors: 杨君谦
Original assignee: Sichuan China Capital Times Technology Co Ltd
Current assignee: Sichuan China Capital Times Technology Co Ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-11-27
Anticipated expiration: 2030-04-27

Abstract

The utility model provides a device of atmospheric molecule pollutant sample, a serial communication port, include: the box, absorbing device, suction mechanism and case lid. The bottom of the box body is provided with a connecting disc; the absorption device is arranged in the box body and comprises an absorption bottle, a sealing cover is arranged at the top of the absorption bottle, an air inlet hole and an air outlet hole are formed in the sealing cover, an air inlet pipe penetrates through the air inlet hole, at least one sieve plate penetrates through the air inlet pipe, and a plurality of through holes are formed in the sieve plate; the air suction mechanism comprises an air pump and an air inlet joint, an air inlet of the air pump is connected with the air inlet joint, an air outlet of the air pump is connected with the air inlet pipe, and the air pump is arranged in the box body; the case lid is located the box top, the intercommunicating pore has been seted up to the case lid. The device has high integration degree and is very convenient to carry and use.

Description

Device for sampling atmospheric molecular pollutants

Technical Field

The utility model belongs to atmosphere pollution detection area especially relates to a device of atmospheric molecule pollutant sample.

Background

Atmospheric environmental monitoring is a process of determining the concentration of pollutants in the atmospheric environment, observing and analyzing the changes and the influence on the environment. The method mainly comprises the steps of introducing air to be detected into an absorption bottle, carrying out chemical reaction on absorption liquid in the absorption bottle and an object to be detected in the air, and then further detecting the absorption liquid to determine the content of the object to be detected.

The existing sampling device is usually assembled and used after parts such as an absorption bottle, an air pipe, an air pump, a power supply and the like are independently taken to a test site, the integration degree is not high enough, and the use is very inconvenient.

SUMMERY OF THE UTILITY MODEL

For solving prior art not enough, the utility model provides a device of atmospheric molecule pollutant sample, with absorbing device and suction mechanism integration and box in, convenient to use is favorable to carrying simultaneously.

In order to realize the purpose of the utility model, the following scheme is proposed:

an apparatus for sampling atmospheric molecular contaminants, comprising: the box, absorbing device, suction mechanism and case lid.

The bottom of the box body is provided with a connecting disc;

the absorption device is arranged in the box body and comprises an absorption bottle, a sealing cover is arranged at the top of the absorption bottle, an air inlet hole and an air outlet hole are formed in the sealing cover, an air inlet pipe penetrates through the air inlet hole, at least one sieve plate penetrates through the air inlet pipe, and a plurality of through holes are formed in the sieve plate;

the air suction mechanism comprises an air pump and an air inlet joint, an air inlet of the air pump is connected with the air inlet joint, an air outlet of the air pump is connected with the air inlet pipe, and the air pump is arranged in the box body;

the case lid is located the box top, the intercommunicating pore has been seted up to the case lid.

Further, still include the battery, the battery is used for providing the air pump power.

Further, the processing of box lateral wall has the ventilation hole, and the box lateral wall still is equipped with the exhaust fan, the exhaust fan is pressed close to the air pump setting.

Furthermore, the sieve plates are arranged at intervals along the air inlet pipe, and the projections of the through holes of the two sieve plates on the bottom surface are staggered.

Furthermore, the bottom of the air inlet pipe is provided with a flow guide cover which is of a conical structure and is fixed to the air inlet pipe through screws.

Furthermore, a mesh enclosure is arranged on the outer side of the air outlet hole and is arranged on the outer surface of the sealing cover.

Further, the communication hole is provided with a rotary cover.

Furthermore, the case lid is equipped with the spout, the lifter is worn to be equipped with by the spout, the lifter is used for connecting air inlet joint.

Furthermore, the box body is provided with a mounting seat, and the mounting seat is provided with a plurality of positioning holes for mounting and fixing the absorbing device, parts of the air suction mechanism and the lifting rod.

Further, the box body is provided with a pair of handles.

The beneficial effects of the utility model reside in that:

1. the device has high integration degree and is very convenient to carry and use;

2. the device is provided with a storage battery, so that the device is convenient for field use;

3. the two sieve plates are arranged, and the through holes of the sieve plates are arranged in a staggered manner, so that the contact time between the gas to be detected and the absorption liquid can be prolonged;

4. the design has the mount pad to be used for fixed absorption bottle, air pump, battery to fix the protection to relevant spare part in the box, and the lifter also can be fixed in the mount pad simultaneously, and portable is accomodate to the while, and the vacant clearance still can be used for accomodating the pipeline of connecting usefulness in the box simultaneously.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

Fig. 1 shows the overall construction of the present invention;

fig. 2 shows an installation of the internal components of the present invention;

FIG. 3 shows the internal construction of the absorption device;

FIG. 4 shows an external configuration of the case;

fig. 5 shows the construction of the cover and the connection relationship with the lifter.

The labels in the figure are: 1-storage battery, 10-box body, 11-connecting disc, 12-vent hole, 13-exhaust fan, 14-mounting seat, 15-handle, 20-absorption device, 21-absorption bottle, 22-sealing cover, 221-air inlet hole, 222-air outlet hole, 23-air inlet pipe, 24-sieve plate, 241-through hole, 25-air guide cover, 26-mesh cover, 30-air suction mechanism, 31-air pump, 32-air inlet joint, 40-box cover, 41-communicating hole, 42-rotating cover, 43-sliding groove and 44-lifting rod.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are some embodiments of the present invention, not all embodiments.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and this is only for the convenience of description of the present invention and simplification of the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

As shown in fig. 1-5, an apparatus for sampling atmospheric molecular pollutants comprises a housing 10, an absorption device 20, a suction mechanism 30 and a cover 40.

Specifically, box 10 bottom is equipped with connection pad 11 for connect fixed sampling device, for increasing the inside ventilation of box 10, the processing of box 10 lateral wall has ventilation hole 12, and box 10 lateral wall still is equipped with exhaust fan 13 simultaneously, and box 10 is equipped with a pair of handle 15, so that sampling device's carrying, box 10 inside is equipped with battery 1 and provides the power for suction mechanism 30.

Specifically, the absorption device 20 is arranged in the box body 10, the absorption device 20 comprises an absorption bottle 21, the absorption bottle 21 can be taken out independently, a sealing cover 22 is arranged at the top of the absorption bottle 21, the sealing cover 22 is provided with an air inlet 221 and an air outlet 222, a mesh enclosure 26 is arranged outside the air outlet 222, the mesh enclosure 26 is arranged on the outer surface of the sealing cover 22 and can prevent impurities from falling into the absorption bottle 21, an air inlet pipe 23 penetrates through the air inlet 221, a rubber ring is arranged between the air inlet pipe 23 and the air inlet 221, the air inlet pipe 23 is connected and fixed with the sealing cover 22 through the friction force of the rubber ring, the air inlet pipe 23 can slide in the air inlet 221, at least one sieve plate 24 penetrates through the air inlet pipe 23, the sieve plate 24 is provided with a plurality of through holes 241, a diversion cover 25 is arranged at the bottom of the air inlet, the gas to be measured can be more uniformly dispersed in the absorption liquid.

More specifically, sieve plate 24 is equipped with two along intake pipe 23 interval in this embodiment to the through-hole 241 of two sieve plates 24 staggers each other in the projection of bottom surface, and this structure multiplicable gas that awaits measuring persists time in the absorption liquid, the extension determinand and the reaction time of absorption liquid, the position of sieve plate 24 and intake pipe 23 contact is equipped with the rubber circle, sieve plate 24 passes through the rubber circle and is connected in the intake pipe with the frictional force of intake pipe 23, the purpose is conveniently to adorn and get and adjust the position of sieve plate 24.

Specifically, the air suction mechanism 30 includes an air pump 31 and an air inlet connector 32, an air inlet of the air pump 31 is connected to the air inlet connector 32 through a hose, and the hose has a reserved length in the box body 10; an air outlet of the air pump 31 is connected to the air inlet pipe 23, and the air pump 31 is disposed in the case 10 and close to the exhaust fan 13 to facilitate heat dissipation of the air pump 31.

Specifically, the box cover 40 is provided with a sliding slot 43, the sliding slot 43 is provided with a lifting rod 44 in a penetrating way, and the lifting rod 44 is used for connecting the air inlet joint 32. The box cover 40 is arranged on the top of the box body 10, the box cover 40 is provided with a communication hole 41, a hose for communicating the air inlet connector 32 with the air pump 31 penetrates through the communication hole 41, the air inlet connector 32 is arranged on the top of the lifting rod 44, the height position of the air inlet connector 32 is changed by adjusting the height of the lifting rod 44, and a more appropriate sampling position of the gas to be measured is selected. The communication hole 41 is provided with a rotary cap 42, and when the sampling device is not in use, the rotary cap 42 seals the communication hole 41 to prevent dust from entering.

The specific implementation process comprises the following steps:

during sampling, the absorption bottle 21 is placed in the mounting seat 14, then the sealing cover 22 is covered, and the hose connecting the air inlet pipe 23 and the air outlet of the air pump 31 can be in a forgiving state for a long time without being taken down every time; the lifting rod 44 is taken out, the air inlet joint 32 is arranged on the air inlet joint 44, and a hose connected with an air inlet of the air pump 31 passes through the connecting hole 41 to be connected with the air inlet joint 32; then the box cover 40 is connected with the box body 10, the height of the air inlet connector 41 is adjusted, and finally the box body 10 is fixed through the connecting disc 11 or placed on a stable platform, and then sampling work can be started; during sampling, gas to be detected enters the bottom of the absorption bottle 21 through the gas inlet joint 41, the gas pump 31 and the gas inlet pipe 23, the gas to be detected is uniformly diffused from the bottom of the absorption bottle 21 through the flow guide cover 25, the gas to be detected rises towards the liquid level because the gas density is smaller than that of the absorption liquid, the gas to be detected is discharged from the gas inlet pipe 23 and then undergoes a chemical reaction with the absorption liquid, the gas to be detected is blocked by the two layers of sieve plates 24 in the rising process, the reaction time with the absorption liquid is prolonged, and the mutually staggered through holes 241 are used for changing the rising track of the gas to be detected and further increasing the retention time of the gas in the absorption liquid; after leaving the absorption liquid, the gas to be measured is discharged from the gas outlet 222 and is discharged out of the housing 10 through the exhaust fan 13 or the exhaust hole 12. After the sampling work is completed, the absorption flask 21 is taken out to be further examined.

Preferably, the box 10 is equipped with mount pad 14, and mount pad 14 adopts cardboard or foam preparation, can arrive the effect of location and buffering, and a plurality of locating holes have been seted up to mount pad 14 for fixed battery 1 of installation, absorption bottle 21, air pump 31 play the guard action simultaneously, and mount pad 14 still processes the spacing hole that is used for placing lifter 44 so that accomodate and carry, and the vacant clearance still can be used for accomodating the hose of connection usefulness in the box simultaneously.

The foregoing is only a preferred embodiment of the invention and is not intended to be the only or limiting embodiment of the invention. It should be understood by those skilled in the art that various changes and equivalent substitutions made herein may be made without departing from the scope of the invention as defined by the appended claims.

Claims

1. An apparatus for sampling atmospheric molecular contaminants, comprising:

the box body (10), the bottom of the box body (10) is provided with a connecting disc (11);

the absorption device (20) is arranged in the box body (10), the absorption device (20) comprises an absorption bottle (21), a sealing cover (22) is arranged at the top of the absorption bottle (21), the sealing cover (22) is provided with an air inlet hole (221) and an air outlet hole (222), the air inlet hole (221) is provided with an air inlet pipe (23) in a penetrating manner, the air inlet pipe (23) is at least provided with a sieve plate (24) in a penetrating manner, and the sieve plate (24) is provided with a plurality of through holes (241);

the air suction mechanism (30) comprises an air pump (31) and an air inlet joint (32), an air inlet of the air pump (31) is connected with the air inlet joint (32), an air outlet of the air pump is connected with the air inlet pipe (23), and the air pump (31) is arranged in the box body (10);

the box cover (40), the box cover (40) is arranged on the top of the box body (10), and the box cover (40) is provided with a communicating hole (41).

2. An atmospheric molecular contaminant sampling device according to claim 1, further comprising a storage battery (1), wherein the storage battery (1) is used for supplying power to the air pump (31).

3. The atmospheric molecular pollutant sampling device of claim 1, wherein the side wall of the box body (10) is provided with a vent hole (12), the side wall of the box body (10) is further provided with an exhaust fan (13), and the exhaust fan (13) is arranged close to the air pump (31).

4. An atmospheric molecular contaminant sampling device according to claim 1, wherein the sieve plates (24) are arranged in two spaced-apart positions along the air inlet pipe (23), and projections of the through holes (241) of the two sieve plates (24) on the bottom surface are mutually staggered.

5. The atmospheric molecular pollutant sampling device of claim 1, characterized in that the air inlet pipe (23) is provided with a flow guide sleeve (25) at the bottom, and the flow guide sleeve (25) is in a conical structure and is fixed on the air inlet pipe (23) through screws.

6. The atmospheric molecular pollutant sampling device of claim 1, wherein a mesh (26) is disposed outside the air outlet (222), and the mesh (26) is disposed on an outer surface of the sealing cover (22).

7. An apparatus for sampling atmospheric molecular pollutants as claimed in claim 1, wherein the communication hole (41) is provided with a rotary cap (42).

8. An atmospheric molecular contaminant sampling device according to claim 1, wherein the box cover (40) is provided with a sliding groove (43), the sliding groove (43) is penetrated with a lifting rod (44), and the lifting rod (44) is used for connecting the air inlet joint (32).

9. The atmospheric molecular pollutant sampling device of claim 8, wherein the box body (10) is provided with a mounting seat (14), the mounting seat (14) is provided with a plurality of positioning holes for mounting and fixing the components of the absorption device (20) and the suction mechanism (30) and the lifting rod (44).

10. An atmospheric molecular contaminant sampling device as defined in claim 1, wherein the housing (10) is provided with a pair of handles (15).