CN218974294U

CN218974294U - VOCs intelligent monitoring device based on thing networking

Info

Publication number: CN218974294U
Application number: CN202221838040.XU
Authority: CN
Inventors: 牛学芹; 杨超; 丁华
Original assignee: Guangdong Kechuang Zhishui Technology Co ltd
Current assignee: Guangdong Kechuang Zhishui Technology Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2023-05-05
Anticipated expiration: 2032-07-18

Abstract

The utility model discloses an intelligent VOCs monitoring device based on the Internet of things, which comprises a detection box and an activated carbon filter screen, wherein an inner cavity of the detection box is partitioned by two partition plates into a collection cavity, a detection cavity and a purification cavity, a suction fan is fixedly arranged at the top of the inner cavity of the collection cavity, one side of the inner cavity of the detection cavity is fixedly connected with a riser, one side of the riser is fixedly provided with a pressurizing pump, one end of an air supply pipe is fixedly communicated with a nozzle through the riser, the middle part of the nozzle is fixedly connected with a second electromagnetic valve, one side of the detection cavity far away from the riser is fixedly connected with a mounting seat, and a VOCs detection sensor is fixedly arranged at the top of the mounting seat.

Description

VOCs intelligent monitoring device based on thing networking

Technical Field

The utility model relates to the technical field of VOCs monitoring, in particular to an intelligent VOCs monitoring device based on the Internet of things.

Background

Currently, VOCs; an organic compound having a saturated vapor pressure of 70Pa or more and a boiling point of 260 ℃ or less at normal temperature or an organic compound having a vapor pressure of 10Pa or more and having volatility at 20 ℃. Generally, non-methane hydrocarbons (NMHCs), oxygen-containing organic compounds, halogenated hydrocarbons, nitrogen-containing organic compounds, sulfur-containing organic compounds, and the like are classified into several general classes.

For several years, with the emphasis of the ecological environment by the country, the related standards for the emission of the concentration of VOCs in the environment are also continuously discharged, and the concentration of VOCs in the atmospheric environment of the industrial park and the factory is also required to be monitored in real time, so that the VOCs monitoring device is required.

The existing VOCs monitoring device is stained with dust at the detection end after long-time use, so that the detection error is large, the existing monitoring device only has one acquisition port, and when the position of the acquisition port is the same as the wind direction, the air inlet of the acquisition port can be influenced.

Disclosure of Invention

The utility model aims to provide an intelligent VOCs monitoring device based on the Internet of things, which solves the problem that the detection end of the existing VOCs monitoring device provided in the background art is stained with dust after long-time use, so that the detection error is large, the existing monitoring device only has one acquisition port, and when the position of the acquisition port is the same as the wind direction, the air inlet of the acquisition port is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a VOCs intelligent monitoring device based on thing networking, includes detection case and active carbon filter screen, the inner chamber of detection case separates through two baffles and has gathered chamber, detection chamber and purification chamber, the air inlet passageway has all been seted up to the both sides of gathering the chamber, the inside fixed mounting of air inlet passageway has first solenoid valve, the top fixed mounting of gathering the chamber inner chamber has the suction fan, one side fixedly connected with riser of detection chamber inner chamber, one side fixed mounting of riser has the force (forcing) pump, the top fixedly connected with gas receiver of force (forcing) pump, the top fixedly connected with air supply pipe of gas receiver, the one end of air supply pipe passes riser fixedly connected with nozzle, the middle part fixedly connected with second solenoid valve of nozzle, one side fixedly connected with mount pad of riser is kept away from to the detection chamber, the top fixedly mounted VOCs detection sensor of mount pad, a plurality of draw-in grooves have been seted up to the both sides equidistance of purification chamber inner chamber, two relative the inner chamber respectively with the both sides joint of active carbon, the positive top fixedly mounted of detection case has the controller of filter screen, one side fixedly connected with transceiver of controller.

Preferably, the top joint of detecting the case has the net of giving vent to anger, the both sides of net of giving vent to anger all fixedly connected with installing frame, and the net of giving vent to anger is used for gaseous discharge, and the installing frame is used for installing equipment in the eminence.

Preferably, the top at the back of the detection box is hinged with a sealing door, the sealing door is matched with the purification cavity, and the sealing door facilitates the opening and closing of the purification cavity, so that the active carbon filter screen is replaced.

Preferably, the surface of the detection cavity is provided with a through groove, and the collection cavity, the detection cavity and the purification cavity are mutually communicated through the through groove, so that the collection cavity, the detection cavity and the purification cavity are communicated.

Preferably, the side of the air inlet channel is fixedly connected with a hollowed-out plate, the output end of the pressurizing pump is communicated with the air storage box, and the input end of the pressurizing pump penetrates through the detection box.

Preferably, a switch button is fixedly arranged at the bottom of the controller, the controller is electrically connected with an external power supply through the switch button, the first electromagnetic valve, the suction fan, the booster pump, the second electromagnetic valve and the VOCs detection sensor are electrically connected with the controller, and the controller is electrically connected with the wireless transceiver.

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

through two air inlet channels, can select suitable air inlet channel to advance, make things convenient for gas to enter into the inner chamber of gathering the chamber under the absorption of suction fan, the VOCs that the rethread detects the chamber inner chamber detects the sensor and carries out on-line detection to VOCs in the gas, and constantly carry the testing result for the controller, carry out corresponding processing and analysis after the controller receives, the rethread wireless transceiver carries to monitor the unit, thereby can grasp the data of detection in real time, and when VOCs detects the surface of sensor and be infected with the dust, go up the gas for the gas receiver through the force (forcing) pump, open the second solenoid valve again and make gas from the nozzle blowout, spout the detection end at VOCs detection sensor, thereby reach the purpose of dust removal.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a front view of the present utility model;

fig. 4 is an enlarged view of the portion a of the present utility model.

In the figure: 1. a detection box; 2. a partition plate; 3. a collection chamber; 4. a detection chamber; 5. a purification chamber; 6. an air inlet channel; 7. a hollowed-out plate; 8. a first electromagnetic valve; 9. a suction fan; 10. a through groove; 11. a riser; 12. a pressurizing pump; 13. a gas storage tank; 14. an air supply pipe; 15. a second electromagnetic valve; 16. a nozzle; 17. a mounting base; 18. VOCs detection sensor; 19. a clamping groove; 20. an active carbon filter screen; 21. a controller; 22. a wireless transceiver; 23. sealing the door; 24. a mounting frame; 25. and (5) an air outlet net.

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 can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model provides an intelligent monitoring device for VOCs based on the internet of things, which comprises a detection box 1 and an active carbon filter screen 20, wherein an inner cavity of the detection box 1 is partitioned by two partition boards 2 into a collection cavity 3, a detection cavity 4 and a purification cavity 5, air inlet channels 6 are respectively formed in two sides of the collection cavity 3, a first electromagnetic valve 8 is fixedly arranged in the air inlet channels 6, an air suction fan 9 is fixedly arranged at the top of the inner cavity of the collection cavity 3, a vertical plate 11 is fixedly connected to one side of the inner cavity of the detection cavity 4, a pressurizing pump 12 is fixedly arranged at one side of the vertical plate 11, an air storage box 13 is fixedly connected to the top of the pressurizing pump 12, an air supply pipe 14 is fixedly connected to the top of the air storage box 13, one end of the air supply pipe 14 penetrates through the vertical plate 11 and is fixedly connected with a nozzle 16, a second electromagnetic valve 15 is fixedly connected to the middle part of the nozzle 16, a mounting seat 17 is fixedly connected to one side of the detection cavity 4, a VOCs detection sensor 18 is fixedly arranged at the top of the mounting seat 17, a plurality of clamping grooves 19 are equidistantly formed in two sides of the inner cavity 5, the inner cavities of the two sides of the clamping grooves 19 are respectively clamped with the active carbon filter screen 20, and a wireless controller 21 is fixedly arranged at one side of the front surface of the air supply box 1.

During the use, can select suitable air inlet passageway 6 to advance through two air inlet passageways 6, make things convenient for gas to enter into the inner chamber of gathering chamber 3 under the absorption of suction fan 9, the VOCs that the rethread detects the inner chamber of chamber 4 detects sensor 18 and carries out on-line detection to VOCs in the gas, and constantly carry the testing result for controller 21, corresponding processing and analysis are carried out after the controller 21 receives, the wireless transceiver 22 of rethread is carried to the monitoring unit, thereby can grasp the detection data in real time, and when the surface of VOCs detects sensor 18 is stained with the dust, go up the gas for gas receiver 13 through force (forcing) pump 12, open second solenoid valve 15 again and make gas from nozzle 16 blowout, spout the detection end at VOCs detects sensor 18, thereby reach the purpose of dust removal.

The top joint of detection case 1 has the net 25 of giving vent to anger, and the both sides of net 25 of giving vent to anger are all fixedly connected with installing frame 24.

When in use, the detected gas enters the inner cavity of the purifying cavity 5 for purification and filtration, and is discharged from the air outlet net 25 after being filtered.

The top of the back of the detection box 1 is hinged with a sealing door 23, and the sealing door 23 is matched with the purification cavity 5.

When in use, the activated carbon filter screen 20 can be replaced by the cooperation of the sealing door 23 and the purifying cavity 5

The surface of the baffle plate 2 is provided with a through groove 10, and the collection cavity 3, the detection cavity 4 and the purification cavity 5 are mutually communicated through the through groove 10.

When in use, the gas can enter the collection cavity 3 to collect and the detection cavity 4 to detect and the purification cavity 5 to purify in sequence.

The side of the air inlet channel 6 is fixedly connected with a hollowed-out plate 7, the output end of the pressurizing pump 12 is communicated with the air storage tank 13, and the input end of the pressurizing pump 12 passes through the detection tank 1.

When in use, the pressurizing pump 12 is used for inflating the gas storage tank 13, the second electromagnetic valve 15 is opened to enable the gas to be sprayed out of the nozzle 16 and sprayed on the detection end of the VOCs detection sensor 18, thereby achieving the purpose of dust removal

The bottom of the controller 21 is fixedly provided with a switch button, the controller 21 is electrically connected with an external power supply through the switch button, and the first electromagnetic valve 8, the suction fan 9, the booster pump 12, the second electromagnetic valve 15 and the VOCs detection sensor 18 are electrically connected with the controller 21, and the controller 21 is electrically connected with the wireless transceiver 22.

When the device is specifically used, the device is installed at a high position through the installation frame 24, then the first electromagnetic valve 8 opposite to the wind direction is selected according to the wind direction, at the moment, outside air enters the inner cavity of the collection cavity 3 under the adsorption of the suction fan 9, then the air is conveyed to the inner cavity of the detection cavity 4 from the through groove 10, at the moment, VOCs in the air are detected on line through the VOCs detection sensor 18 in the inner cavity of the detection cavity 4, the detection result is continuously conveyed to the controller 21, the controller 21 receives the detection result and then carries out corresponding processing and analysis, and then the detection result is conveyed to a monitoring unit through the wireless transceiver 22, so that detection data can be mastered in real time, the detected air enters the inner cavity of the purification cavity 5 to be purified and filtered, and then is discharged from the air outlet net 25 after the filtration, and when the surface of the VOCs detection sensor 18 is stained with dust, the air is inflated through the pressurizing pump 12, the second electromagnetic valve 15 is opened, so that the air is sprayed out from the nozzle 16 and then sprayed on the detection end of the VOCs detection sensor 18, and the purpose of dust removal is achieved.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. VOCs intelligent monitoring device based on thing networking, including detecting case (1) and active carbon filter screen (20), its characterized in that: the inner cavity of the detection box (1) is partitioned by two partition boards (2) into a collection cavity (3), a detection cavity (4) and a purification cavity (5), air inlet channels (6) are respectively formed in two sides of the collection cavity (3), a first electromagnetic valve (8) is fixedly arranged in the air inlet channels (6), a suction fan (9) is fixedly arranged at the top of the inner cavity of the collection cavity (3), a vertical plate (11) is fixedly connected to one side of the inner cavity of the detection cavity (4), a pressurizing pump (12) is fixedly arranged on one side of the vertical plate (11), a gas storage box (13) is fixedly connected to the top of the pressurizing pump (12), the top of the gas storage tank (13) is fixedly communicated with an air supply pipe (14), one end of the air supply pipe (14) passes through a vertical plate (11) and is fixedly communicated with a nozzle (16), the middle part of the nozzle (16) is fixedly connected with a second electromagnetic valve (15), one side of the detection cavity (4) away from the vertical plate (11) is fixedly connected with a mounting seat (17), the top of the mounting seat (17) is fixedly provided with a VOCs detection sensor (18), two sides of the inner cavity of the purification cavity (5) are equidistantly provided with a plurality of clamping grooves (19), the inner cavities of the two opposite clamping grooves (19) are respectively clamped with two sides of an active carbon filter screen (20), the top of the front face of the detection box (1) is fixedly provided with a controller (21), and one side of the surface of the controller (21) is fixedly provided with a wireless transceiver (22).

2. The intelligent VOCs monitoring device based on the Internet of things according to claim 1, wherein: the top joint of detection case (1) has net (25) of giving vent to anger, the both sides of net (25) of giving vent to anger are all fixedly connected with installing frame (24).

3. The intelligent VOCs monitoring device based on the Internet of things according to claim 1, wherein: the top at the back of the detection box (1) is hinged with a sealing door (23), and the sealing door (23) is matched with the detection cavity (4).

4. The intelligent VOCs monitoring device based on the Internet of things according to claim 1, wherein: the surface of the detection cavity (4) is provided with a through groove (10), and the collection cavity (3), the detection cavity (4) and the purification cavity (5) are mutually communicated through the through groove (10).

5. The intelligent VOCs monitoring device based on the Internet of things according to claim 1, wherein: the side of the air inlet channel (6) is fixedly connected with a hollowed-out plate (7), the output end of the pressurizing pump (12) is communicated with the air storage tank (13), and the input end of the pressurizing pump (12) passes through the detection tank (1).

6. The intelligent VOCs monitoring device based on the Internet of things according to claim 1, wherein: the bottom fixed mounting of controller (21) has shift knob, just controller (21) pass through shift knob and external power supply electric connection, first solenoid valve (8), suction fan (9), force (forcing) pump (12), second solenoid valve (15) and VOCs detection sensor (18) all with controller (21) electric connection, controller (21) with wireless transceiver (22) electric connection.