CN211825293U

CN211825293U - Volatile organic compound monitor applied to ambient air monitoring

Info

Publication number: CN211825293U
Application number: CN202020249921.2U
Authority: CN
Inventors: 腾谦; 朱方方; 贾宇
Original assignee: Jiangsu Juyuan Zhongan Ecological Environment Co ltd
Current assignee: Jiangsu Juyuan Zhongan Ecological Environment Co ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-10-30
Anticipated expiration: 2030-03-04

Abstract

The utility model discloses a be applied to volatile organic compounds monitor of ambient air monitoring relates to air monitoring technical field, and when solving current gathering to the sample gas, materials such as dust impurity and moisture in the gas easily exert an influence to the monitoring result to reduce the problem of monitoring precision. The internally mounted of monitoring case has the mounting panel, the internally mounted of monitoring case has power, relay, water filter, air pump, dust filter, control valve and volatile organic compounds gas sensor, install first trachea between air pump and the water filter, install the second trachea between water filter and the dust filter, main intake pipe is installed to dust filter's one end, install first drain pipe between water filter and the control valve, the second drain pipe is installed to the lower extreme of control valve.

Description

Volatile organic compound monitor applied to ambient air monitoring

Technical Field

The utility model relates to an air monitoring technology field specifically is a be applied to volatile organic compounds monitor of ambient air monitoring.

Background

With the rapid development of socialist construction in China, environment protection work occupies an increasingly important position in the socialist construction business, air quality (especially indoor air quality) is related to the health of people, environment monitoring is the basis of environment protection, is an important means of environmental research and environmental management, provides an essential basis for environmental impact evaluation, environmental pollution arbitration, environmental pollution discharge charging, environmental pollution treatment and environmental supervision and supervision, and also occupies a very important position in environmental monitoring. Air monitoring is carried out, namely the concentration and distribution condition of various pollutants in the air are known, various prevention and control measures are provided, and the volatile organic compounds are monitored, so that scientific basis can be provided for environmental quality control.

However, when the existing sample gas is collected, substances such as dust impurities and moisture in the gas easily affect the monitoring result, so that the monitoring precision is reduced, the existing requirements are not met, and the volatile organic compound monitor applied to environmental air monitoring is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be applied to volatile organic compounds monitor of ambient air monitoring to when solving the current sample gas of gathering that proposes in the above-mentioned background art, substances such as dust impurity and moisture in the gas easily exert an influence to the monitoring result, thereby reduce the problem of monitoring precision.

In order to achieve the above object, the utility model provides a following technical scheme: a volatile organic compound monitor applied to ambient air monitoring comprises a monitoring box, wherein a mounting plate is arranged in the monitoring box, the monitoring box is internally provided with a power supply, a relay, a water filter, an air pump, a dust filter, a control valve and a volatile organic compound gas sensor, a first air pipe is arranged between the air pump and the water filter, a second air pipe is arranged between the water filter and the dust filter, one end of the dust filter is provided with a main air inlet pipe, a first water discharge pipe is arranged between the water filter and the control valve, a second drain pipe is arranged at the lower end of the control valve, an air tap is arranged at one side of the lower end of the monitoring box, a drain tap is arranged at the other side of the lower end of the monitoring box, and the main air inlet pipe is embedded into the air faucet, the second water outlet pipe is embedded into the water outlet nozzle, and the type of the volatile organic compound gas sensor is set to be SKA-NE301-VOC type.

Preferably, the front end of the volatile organic compound gas sensor is provided with a display screen, and one side of the volatile organic compound gas sensor is provided with an alarm mechanism.

Preferably, the chamber door is installed to the front end of monitoring case, and the chamber door passes through hinge connection with the monitoring case, the glass observation window is installed to the front end of chamber door, the speaker is installed to one side of glass observation window, the stabilizer blade is all installed to the both sides of monitoring case lower extreme, and the stabilizer blade passes through welded connection with the monitoring case.

Preferably, the upper end of the monitoring box is provided with a rain shielding top plate, the middle of the upper end of the rain shielding top plate is provided with a handle, and the handle is connected with the rain shielding top plate in a welding mode.

Preferably, both sides of the monitoring box are provided with heat dissipation grids.

Preferably, the power supply, the relay, the water filter, the air pump, the dust filter, the control valve, the volatile organic compound gas sensor and the mounting plate are all connected through screws.

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

1. the utility model discloses an air pump work is taken a sample to ambient air, sample gas gets into dust filter's inside through main intake pipe, handle and clear away the dust in the air through dust filter, remove dust and move, get into water filter's inside through the second trachea again, moisture in the gaseous sample of water filter filtration, finally get into volatile organic compounds gas sensor's inside through first trachea, to the gaseous real-time supervision of environment sample, remove matters such as dust impurity and moisture in the gas, avoid impurity to produce the influence to the monitoring result, thereby improve monitoring accuracy.

2. The utility model discloses a roof hides rain to monitoring box, and whole monitoring mechanism can use under outdoor environment, and application scope is big, can observe monitoring data through the glass observation window, opens the chamber door and can maintain whole mechanism, and the speaker can expand the alarm volume, when volatile organic compounds concentration is higher than the setting value, can carry out the alarm action to monitoring personnel.

Drawings

Fig. 1 is a schematic view of the overall structure of a monitoring instrument for volatile organic compounds, which is applied to ambient air monitoring according to the present invention;

fig. 2 is an overall front view of the voc monitor according to the present invention;

fig. 3 is the utility model discloses a be applied to volatile organic compounds monitor's of ambient air monitoring whole side view.

In the figure: 1. a monitoring box; 2. mounting a plate; 3. a power source; 4. a relay; 5. a water filter; 6. an air pump; 7. a dust filter; 8. a control valve; 9. a volatile organic gas sensor; 10. a first air pipe; 11. a second air pipe; 12. a main air inlet pipe; 13. a first drain pipe; 14. a second drain pipe; 15. an air tap; 16. a water discharge nozzle; 17. an alarm mechanism; 18. a display screen; 19. a box door; 20. a glass viewing window; 21. a speaker; 22. a support leg; 23. a rain-shielding roof; 24. a handle; 25. and a heat dissipation grid.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a volatile organic compound monitor applied to ambient air monitoring comprises a monitoring box 1, wherein a mounting plate 2 is installed inside the monitoring box 1, a power supply 3, a relay 4, a water filter 5, an air pump 6, a dust filter 7, a control valve 8 and a volatile organic compound gas sensor 9 are installed inside the monitoring box 1, a first air pipe 10 is installed between the air pump 6 and the water filter 5, a second air pipe 11 is installed between the water filter 5 and the dust filter 7, a main air inlet pipe 12 is installed at one end of the dust filter 7, a first water discharge pipe 13 is installed between the water filter 5 and the control valve 8, a second water discharge pipe 14 is installed at the lower end of the control valve 8, an air nozzle 15 is arranged at one side of the lower end of the monitoring box 1, a water discharge nozzle 16 is arranged at the other side of the lower end of the monitoring box 1, the main air inlet pipe 12 is embedded into the air nozzle 15, and, the model of the volatile organic compound gas sensor 9 is set to be SKA-NE301-VOC type, the air pump 6 works, sample gas enters the interior of the dust filter 7 through the main air inlet pipe 12, is treated by the dust filter 7 and removes dust in the air, and then enters the interior of the water filter 5 through the second air pipe 11, moisture in the gas sample is filtered by the water filter 5, and finally enters the interior of the volatile organic compound gas sensor 9 through the first air pipe 10, when the sample gas enters the interior of the volatile organic compound gas sensor 9, organic molecules are ionized into positive and negative ions (ionization) which can be detected by the detector through the ultraviolet lamp light source, and the detector catches the positive and negative charges of the ionized gas and converts the positive and negative charges into current signals to realize the measurement of gas concentration.

Further, a display screen 18 is provided at the front end of the volatile organic compound gas sensor 9, an alarm mechanism 17 is provided at one side of the volatile organic compound gas sensor 9, the display screen 18 displays the value of the concentration of the volatile organic compound gas, and when the gas concentration is a preset value, the alarm mechanism 17 performs an audible and visual alarm.

Further, chamber door 19 is installed to the front end of monitoring case 1, and chamber door 19 passes through hinge connection with monitoring case 1, glass observation window 20 is installed to the front end of chamber door 19, speaker 21 is installed to one side of glass observation window 20, stabilizer blade 22 is all installed to the both sides of monitoring case 1 lower extreme, and stabilizer blade 22 passes through welded connection with monitoring case 1, monitoring personnel can observe and record the concentration of volatile organic compounds through glass observation window 20, speaker 21 enlarges the volume of alarm mechanism 17 acousto-optic warning, can be better remind monitoring personnel.

Further, the upper end of monitoring case 1 is installed and is sheltered from rain roof 23, and handle 24 is installed to the centre of sheltering from rain roof 23 upper end, and handle 24 and shelter from rain roof 23 welded connection, and it shelters from rain to monitor case 1 to hide rain roof 23, and whole monitoring mechanism can use under outdoor environment, and application scope is big.

Further, both sides of the monitoring box 1 are provided with heat dissipation grids 25, so that the whole device is cooled, and the service life is prolonged.

Further, power 3, relay 4, water filter 5, air pump 6, dust filter 7, control valve 8 and volatile organic compounds gas sensor 9 all pass through screwed connection with mounting panel 2, and the connected mode is simple, does benefit to the maintenance.

The working principle is as follows: when the gas concentration measuring device is used, the gas pump 6 works, sample gas enters the dust filter 7 through the main gas inlet pipe 12, is treated by the dust filter 7 to remove dust in the air, enters the water filter 5 through the second gas pipe 11, filters moisture in a gas sample through the water filter 5, finally enters the volatile organic compound gas sensor 9 through the first gas pipe 10, monitors the environmental sample gas in real time, removes dust impurities, moisture and other substances in the gas, avoids the impurities from influencing a monitoring result, improves the monitoring precision, ionizes organic molecules into positive and negative ions (ionization) capable of being detected by the detector through the ultraviolet lamp light source when the sample gas enters the volatile organic compound gas sensor 9, and converts the positive and negative charges of the ionized gas of the detector into a current signal to realize the measurement of the gas concentration, the numerical value is displayed through the display screen 18, when the gas concentration height is a preset numerical value, the alarm mechanism 17 carries out sound-light alarm, the loudspeaker 21 enlarges the sound volume of the sound-light alarm of the alarm mechanism 17, monitoring personnel can be better reminded, the control valve 8 has the function that after water in the water filter 5 is accumulated to a certain amount, the control valve 8 automatically controls the water in the water filter 5 to be discharged, the relay 4 controls all accessories in the monitoring box 1 to work, the monitoring personnel can observe and record the concentration of volatile organic compounds through the glass observation window 20, the integral monitoring device extracts a gas sample on time to monitor, continuous real-time monitoring can be realized, the rain shielding top plate 23 shields rain from the monitoring box 1, the integral monitoring mechanism can be used in an outdoor environment, the application range is wide, and the integral mechanism can be maintained when the box door 19 is opened, the maintenance is convenient.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a be applied to volatile organic compounds monitor of ambient air monitoring, includes monitoring box (1), its characterized in that: the monitoring box is characterized in that a mounting plate (2) is arranged inside the monitoring box (1), a power supply (3), a relay (4), a water filter (5), an air pump (6), a dust filter (7), a control valve (8) and a volatile organic compound gas sensor (9) are arranged inside the monitoring box (1), a first air pipe (10) is arranged between the air pump (6) and the water filter (5), a second air pipe (11) is arranged between the water filter (5) and the dust filter (7), a main air inlet pipe (12) is arranged at one end of the dust filter (7), a first water discharge pipe (13) is arranged between the water filter (5) and the control valve (8), a second water discharge pipe (14) is arranged at the lower end of the control valve (8), an air nozzle (15) is arranged on one side of the lower end of the monitoring box (1), and a water discharge nozzle (16) is arranged on the other side of the lower end of the, and the main air inlet pipe (12) is embedded into the air tap (15), the second water outlet pipe (14) is embedded into the water outlet nozzle (16), and the type of the volatile organic compound gas sensor (9) is set to be SKA-NE301-VOC type.

2. The voc monitor as claimed in claim 1, wherein: the front end of volatile organic compound gas sensor (9) is provided with display screen (18), one side of volatile organic compound gas sensor (9) is provided with alarm mechanism (17).

3. The voc monitor as claimed in claim 1, wherein: chamber door (19) are installed to the front end of monitoring case (1), and chamber door (19) pass through hinge connection with monitoring case (1), glass observation window (20) are installed to the front end of chamber door (19), speaker (21) are installed to one side of glass observation window (20), stabilizer blade (22) are all installed to the both sides of monitoring case (1) lower extreme, and stabilizer blade (22) pass through welded connection with monitoring case (1).

4. The voc monitor as claimed in claim 1, wherein: rain-proof roof board (23) is installed to the upper end of monitoring case (1), handle (24) are installed to the centre of rain-proof roof board (23) upper end, and handle (24) and rain-proof roof board (23) welded connection.

5. The voc monitor as claimed in claim 1, wherein: and heat dissipation grids (25) are arranged on two sides of the monitoring box (1).

6. The voc monitor as claimed in claim 1, wherein: the power supply (3), the relay (4), the water filter (5), the air pump (6), the dust filter (7), the control valve (8) and the volatile organic compound gas sensor (9) are all connected with the mounting plate (2) through screws.