CN215812689U

CN215812689U - Portable air quality monitoring device

Info

Publication number: CN215812689U
Application number: CN202122404777.2U
Authority: CN
Inventors: 刘烨
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-02-11
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a portable air quality monitoring device which comprises a box body, a filtering device, a support, an exhaust fan, a particulate matter detector, a carbon monoxide detector, a sulfur dioxide detector, a nitrogen oxide detector, an adjusting device, check rings, air inlet ducts, a detection chamber, a fixed interface, a display screen, an air outlet duct, a spring I and a sealing ring I. The utility model can install the filtering device according to the actual detection requirement by arranging the multi-air-channel and the freely-detachable filtering device, has small volume and light weight, and can fix the bracket on the vehicle for circular detection.

Description

Portable air quality monitoring device

Technical Field

The utility model belongs to the technical field of air quality monitoring, and particularly relates to a portable air quality monitoring device.

Background

Air quality can direct reaction air pollution degree, through the monitoring to air quality, can in time discover and stop the emission of relevant pollution sources, is favorable to the protection of environment, and following problem appears in the use in traditional air quality monitoring devices: 1) the air in the area needing to be detected is sampled and then is taken back to the laboratory for processing, the monitoring period is long, and the cost is high; 2) the method has the advantages that the air quality monitoring instrument is fixed at the designated position and is used for monitoring twenty-four hours, although the method can be used for monitoring in real time, the method is easily influenced by the external environment and is easy to carry out artificial interference, the fixed-point construction monitoring area is limited, and the investment cost is high when large-area monitoring is needed; 3) only be equipped with a set of inlet air duct, lack and set up the multiunit sensor, the sensor detects the air component in proper order in the testing process, because different detector detection methods are different, loops through in the air partially can take place the change for original component when different detectors in the testing process, causes detection error big to particulate matter in the unable filtered air, particulate matter is piled up for a long time and can be influenced the testing result.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a portable air quality monitoring device which is provided with a plurality of air channels and a freely-detachable filtering device, can be installed according to the actual detection requirement, has small volume and light weight, and can fix a support on a vehicle for circular detection.

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

a portable air quality monitoring device comprises a box body, a filtering device, a support, an exhaust fan, a particulate matter detector, a carbon monoxide detector, a sulfur dioxide detector, a nitrogen oxide detector, an adjusting device, a retainer ring, air inlet ducts, a detection chamber, a fixed interface, a display screen, an air outlet duct, a spring I and a sealing ring I, wherein the support is arranged at the bottom of the box body, the display screen is arranged at one side of the box body, the air outlet duct is arranged above the box body, the exhaust fan is arranged in the air outlet duct, four groups of air inlet ducts are arranged in the box body, the detection chambers are respectively arranged on the four groups of air inlet ducts, the adjusting device is arranged at one side of the detection chamber, the retainer ring is arranged at one side of the adjusting device and is fixedly arranged on the inner side wall of the air inlet ducts, the particulate matter detector, the carbon monoxide detector, the sulfur dioxide detector and the nitrogen oxide detector are respectively arranged in the four groups of detection chambers, and the four groups of air inlet ducts are communicated with the air outlet duct, fixed interface, fixed interface inboard fixed mounting spring I one end, spring I other end fixed connection sealing washer I, fixed interface outside movable mounting has filter equipment.

The filter device comprises a sleeve, a sealing ring II, a spring II, a cloth bag, a fixing plate, a handle and a limiting rod, wherein the limiting rod is arranged above the sleeve, the spring II is arranged inside the side wall of the sleeve, one end of the spring II is fixedly arranged on the sleeve, the other end of the spring II is fixedly connected with the sealing ring II, the limiting rod is installed in a matched mode with the fixing plate, the cloth bag is fixedly arranged below the fixing plate, and the handle is fixedly arranged above the fixing plate.

Adjusting device includes fly leaf I, fly leaf II, movable rod I, rotary switch, and movable rod II and I movable mounting of movable rod have fly leaf II and fly leaf I on the box, fixed mounting on movable rod II and the movable rod I, install the gear respectively on movable rod II and the movable rod I, the meshing is connected between two gears, and I one end fixed mounting of movable rod has rotary switch.

Preferably, sealing washer I is rubber with II materials of sealing washer, can produce certain deformation in the extrusion process, reinforcing leakproofness.

Preferably, the support is provided with bolt holes, so that the box body can be conveniently and fixedly installed.

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

1) the device can be installed and fixed on a vehicle through the bracket to carry out movement detection, the detection result is emitted through the display screen, the operation is rapid and convenient, and a plurality of groups of channels are arranged, if only one or two substances need to be detected, the rest air inlet ducts can be closed through the rotary switch, so that the cost is saved;

2) the fixed interface is additionally arranged on the outer side of the air inlet, the filter device can be movably installed on the fixed interface, the air inlet duct which does not need to detect particles can be filtered through the filter device, the detection result is prevented from being influenced by the particles, the gas composition cannot be changed, slopes at two ends are arranged on a fixed plate in the filter device, the aperture of the lowest point of each slope is larger, the aperture of the highest point of each slope can be small through a limiting rod, the limiting rod can be clamped, and self-locking can be realized by rotating the fixed plate through a handle;

3) through sleeve and fixed interface cooperation, make fixed interface and II cooperations of sealing washer accomplish to seal, the sleeve is inboard to accomplish the cooperation with sealing washer I and seal, further increases filter equipment and fixed interface's seal, prevents that unfiltered air from driving the particulate matter and getting into the measuring room and influencing the testing result.

Drawings

FIG. 1 is a schematic structural view of a portable air quality monitoring device according to the present invention;

FIG. 2 is a schematic side view of a portable air quality monitoring device according to the present invention;

FIG. 3 is a schematic view of the internal structure of a portable air quality monitoring device according to the present invention;

FIG. 4 is a schematic view of the windshield;

FIG. 5 is a schematic view of the filter arrangement;

FIG. 6 is a schematic diagram of a cloth bag structure;

FIG. 7 is a schematic view of the internal structure of the sleeve;

in the figure: 10. a box body; 11. a filtration device; 12. a support; 13. an exhaust fan; 14. a particulate matter detector; 15. a carbon monoxide detector; 16. a sulfur dioxide detector; 17. a nitrogen oxide detector; 18. an adjustment device; 19. a retainer ring; 20. an air inlet duct; 21. a detection chamber; 101. fixing the interface; 102. a display screen; 103. an air outlet pipe; 1011. a spring I; 1012. a sealing ring I; 111. a sleeve; 112. a sealing ring II; 113. a spring II; 114. a cloth bag; 115. a fixing plate; 116. a handle; 117. a limiting rod; 181. a movable plate I; 182. a movable plate II; 183. a movable rod II; 184. a movable rod I; 185. a rotary switch.

Detailed Description

For the convenience of understanding of those skilled in the art, the technical solution of the present invention will be further described in detail with reference to fig. 1 to 7.

A portable air quality monitoring device comprises a box body 10, a filtering device 11, a support 12, an exhaust fan 13, a particulate matter detector 14, a carbon monoxide detector 15, a sulfur dioxide detector 16, a nitrogen oxide detector 17, an adjusting device 18, a check ring 19, an air inlet duct 20, a detection chamber 21, a fixed interface 101, a display screen 102, an air outlet duct 103, a spring I1011 and a seal ring I1012, wherein the support 12 is arranged at the bottom of the box body 10, the display screen 102 is arranged at one side of the box body 10, the air outlet duct 103 is arranged above the box body 10, the exhaust fan 13 is arranged in the air outlet duct 103, four groups of air inlet ducts 20 are arranged inside the box body 10, the detection chambers 21 are respectively arranged on the four groups of air inlet ducts 20, the adjusting device 18 is arranged at one side of the detection chamber 21, the check ring 19 is arranged at one side of the adjusting device 18, the check ring 19 is fixedly arranged on the inner side wall of the air inlet duct 20, the particulate matter detector 14, the particulate matter detector 21 is respectively arranged in the four groups of the detection chambers 21, The carbon monoxide detector 15, the sulfur dioxide detector 16 and the nitrogen oxide detector 17, wherein the particulate matter detector 14 is GCG1000B, and is obtained through private customization or purchase; the carbon monoxide detector 15 is DMD800-1D, and is obtained through private customization or purchase; the sulfur dioxide detector 16 is NGP5-SO2-A, and is obtained through private customization or purchase; the nitrogen oxide detector 17 is MDA-C-NOX, and is obtained through private customization or purchase; four sets of air inlet ducts 20 are communicated with air outlet pipe 103, fixed interface 101 is fixedly installed at the inlet of air inlet duct 20, one end of spring I1011 is fixedly installed on the inner side of fixed interface 101, the other end of spring I1011 is fixedly connected with sealing ring I1012, and filtering device 11 is movably installed on the outer side of fixed interface 101.

The filtering device 11 comprises a sleeve 111, a sealing ring II 112, a spring II 113, a cloth bag 114, a fixing plate 115, a handle 116 and a limiting rod 117, the limiting rod 117 is arranged above the sleeve 111, the spring II 113 is arranged inside the side wall of the sleeve 111, one end of the spring II 113 is fixedly arranged on the sleeve 111, the other end of the spring II is fixedly connected with the sealing ring II 112, the limiting rod 117 is installed in a matching manner with the fixing plate 115, the cloth bag 114 is fixedly arranged below the fixing plate 115, and the handle 116 is fixedly arranged above the fixing plate 115.

The adjusting device 18 comprises a movable plate I181, a movable plate II 182, a movable rod II 183, a movable rod I184 and a rotary switch 185, wherein the movable rod II 183 and the movable rod I184 are movably mounted on the box body 10, the movable plate II 182 and the movable plate I181 are fixedly mounted on the movable rod II 183 and the movable rod I184, gears are respectively mounted on the movable rod II 183 and the movable rod I184, the two gears are connected in a meshing manner, and the rotary switch 185 is fixedly mounted at one end of the movable rod I184.

The sealing ring I1012 and the sealing ring II 112 are made of rubber, can deform to a certain extent in the extrusion process, and enhances the sealing property.

The support 12 is provided with bolt holes, so that the box body 10 can be conveniently and fixedly installed.

A portable air quality monitoring device comprises the following working processes: the device is fixed on a vehicle through bolt holes in a support 12 for mobile detection, power is supplied to each detector, an exhaust fan 13 and a display screen 102 through storage batteries, each detector is started, reading can be fed back to the display screen 102, four groups of air inlet ducts 20 are respectively and independently connected with a detection chamber 21, single detection is carried out on air, errors caused by multiple detections are prevented from being large, a filtering device does not need to be installed on a particulate matter detector 14, filtering devices 11 can be movably installed at fixed interfaces 101 for other detectors, and the air is subjected to dust particle filtration through a cloth bag and then is detected; this device accessible is on-vehicle or the form of artifical transport shifts, monitors to the specified area, avoids artificial interference to show data in real time to the display screen.

The above contents are only examples and illustrations of the structure of the present invention, the circuit components related to the present invention include, but are not limited to, the storage battery, the exhaust fan, the particulate matter detector, the carbon monoxide detector, the sulfur dioxide detector, the nitrogen oxide detector, and the display screen, which are all components in the prior art, and the electrical connections between the circuit components are all conventional circuit connections in the prior art, which is not the protection scope of the present invention.

The foregoing is merely exemplary and illustrative of the present invention, and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. A portable air quality monitoring device comprises a box body, a filtering device, a support, an exhaust fan, a particulate matter detector, a carbon monoxide detector, a sulfur dioxide detector, a nitrogen oxide detector, an adjusting device, a retainer ring, an air inlet duct, a detection chamber, a fixed interface, a display screen, an air outlet duct, a spring I and a sealing ring I, and is characterized in that the support is arranged at the bottom of the box body, the display screen is arranged at one side of the box body, the air outlet duct is arranged above the box body, the exhaust fan is arranged in the air outlet duct, four groups of air inlet ducts are arranged in the box body, the detection chambers are respectively arranged on the four groups of air inlet ducts, the adjusting device is arranged at one side of the detection chamber, the retainer ring is fixedly arranged on the inner side wall of the air inlet duct, the particulate matter detector, the carbon monoxide detector, the sulfur dioxide detector and the nitrogen oxide detector are respectively arranged in the four groups of detection chambers, and the four groups of air inlet ducts are communicated with the air outlet duct, fixed interface, fixed interface inboard fixed mounting spring I one end, spring I other end fixed connection sealing washer I, fixed interface outside movable mounting has filter equipment.

2. The portable air quality monitoring device according to claim 1, wherein the filtering device comprises a sleeve, a sealing ring II, a spring II, a cloth bag, a fixing plate, a handle and a limiting rod, the limiting rod is arranged above the sleeve, the spring II is arranged inside the side wall of the sleeve, one end of the spring II is fixedly arranged on the sleeve, the other end of the spring II is fixedly connected with the sealing ring II, the limiting rod is arranged in cooperation with the fixing plate, the cloth bag is fixedly arranged below the fixing plate, and the handle is fixedly arranged above the fixing plate.

3. The portable air quality monitoring device according to claim 1, wherein the adjusting device comprises a movable plate I, a movable plate II, a movable rod I and a rotary switch, the movable rod II and the movable rod I are movably mounted on the box body, the movable plate II and the movable rod I are fixedly mounted on the movable rod II and the movable rod I, gears are respectively mounted on the movable rod II and the movable rod I, the two gears are connected in a meshed mode, and the rotary switch is fixedly mounted at one end of the movable rod I.

4. The portable air quality monitoring device of claim 1, wherein the sealing rings I and II are made of rubber.

5. The portable air quality monitoring device of claim 1, wherein the bracket is provided with bolt holes.