CN216668808U

CN216668808U - Air chamber unit and air quality monitoring equipment

Info

Publication number: CN216668808U
Application number: CN202123318838.XU
Authority: CN
Inventors: 张玲; 肖永乐; 陈晨; 杨旭坤; 郭盼盼; 张圣昌; 周科
Original assignee: Hebei Sailhero Environmental Protection High Tech Co ltd
Current assignee: Hebei Sailhero Environmental Protection High Tech Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-06-03
Anticipated expiration: 2031-12-27

Abstract

The utility model provides an air chamber unit and air quality monitoring equipment, and belongs to the technical field of air quality monitoring. The air chamber unit and the air quality monitoring device provided by the utility model have the technical effects that the functions of the air chamber unit are diversified, the air quality is monitored in multiple modes, and the temperature and humidity sensor is convenient to install and disassemble.

Description

Air chamber unit and air quality monitoring equipment

Technical Field

The utility model belongs to the technical field of air quality monitoring, and particularly relates to an air chamber unit and air quality monitoring equipment.

Background

The air quality monitoring refers to monitoring the quality of air, the quality of air reflects the concentration of pollutants in the air, air pollution is a complex phenomenon, and the concentration of air pollutants is influenced by a plurality of factors at specific time and place. The size of the emission of man-made pollutants from stationary and mobile pollution sources is one of the most important factors affecting the air quality, including tail gas from vehicles and the like, production emissions from industrial enterprises, waste incineration and the like.

The function of air quality monitoring equipment is to perform fixed-point, continuous or timed sampling, detection and analysis of pollutants in the atmosphere and air, including indoor monitoring and outdoor monitoring. However, because the internal space of the air quality monitoring equipment is limited, the air chamber unit has the function of forming a chamber, so that the gas sensor module can monitor the air quality in the chamber, and the air chamber unit in the existing air quality monitoring equipment has single function and is difficult to monitor the air quality in various modes.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an air chamber unit and air quality monitoring equipment, and aims to solve the technical problems that the air chamber unit in the prior art is single in function and is difficult to monitor the air quality in multiple modes.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides an air chamber unit, including the base member that has air inlet and gas outlet, be formed at a plurality of semi-closed air chambers on the base member and locating in the base member and establish ties the intercommunication a plurality ofly the airflow channel of air chamber, the air chamber internal seal be connected with the air chamber forms the gas sensor module of closed cavity, the gas sensor module is suitable for the quality of monitoring closed cavity room air, at least one the air chamber in-connection has the temperature and humidity sensor who is suitable for monitoring closed cavity room air humiture.

In a possible implementation manner, an opening is formed in the bottom of the air chamber, where the temperature and humidity sensor is arranged, the opening is communicated with the outside of the base body, and the temperature and humidity sensor is arranged in the opening and is in sealing connection with the base body.

In a possible implementation manner, the bottom of the base body is provided with a mounting groove, the opening is located inside the mounting groove, and the temperature and humidity sensor is detachably connected in the mounting groove.

In a possible implementation manner, the air inlet end of the first air flow channel along the flowing direction of the air entering the base body is communicated with the air inlet, the air outlet end of the last air flow channel is communicated with the air outlet, a PID sensor avoiding the air flow channel is arranged in the first air chamber, and the PID sensor is suitable for monitoring volatile organic compounds and toxic gases in the air chamber.

In a possible implementation manner, the base body is connected with a PID pressure ring, and the PID pressure ring is suitable for compressing and fixing the PID sensor.

In one possible implementation, the gas sensor module comprises a gas sensor connected to the inside of the gas chamber and a fixing component connected to the base body and suitable for pressing and fixing the gas sensor.

In a possible implementation manner, the fixing component comprises a fixing ring arranged at the upper end of the gas sensor and connected to the base body, wherein the fixing ring is annular, and a cover plate arranged inside the fixing ring and suitable for covering the gas sensor.

In a possible implementation manner, the air chamber is a cylindrical slotted hole formed in the upper end of the base body and is used for excavation, a step-shaped structure is arranged in the air chamber along the depth direction, and the gas sensor module abuts against the upper end of the step-shaped structure and avoids the gas flow channel.

In a possible implementation manner, a sealing ring is arranged at the upper end of the stepped structure, and the sealing ring and the gas sensor module are tightly sealed.

The air chamber unit provided by the utility model has the beneficial effects that: compared with the prior art, the air chamber unit comprises a base body with an air inlet and an air outlet, a plurality of semi-closed air chambers formed on the base body and an air flow channel which is arranged in the base body and is communicated with the air chambers in series, a gas sensor module which forms a closed cavity with the air chambers is connected in the air chambers in a sealing mode, the gas sensor module is suitable for monitoring the quality of air in the closed cavity, and a temperature and humidity sensor which is suitable for monitoring the temperature and humidity of the air in the closed cavity is connected in at least one air chamber.

The utility model also provides air quality monitoring equipment, which comprises an air quality monitoring equipment body and the air chamber unit arranged in the air quality monitoring equipment body.

Compared with the prior art, the air quality monitoring equipment provided by the utility model is additionally provided with the air temperature and humidity sensor, so that the functions of the air chamber unit are diversified, the air quality can be monitored in various modes, and the temperature and humidity sensor is convenient to mount and dismount.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a plenum unit provided in an embodiment of the present invention;

FIG. 2 is a schematic structural view of an air chamber unit provided in an embodiment of the present invention with a cover plate removed;

FIG. 3 is a schematic structural view of an air chamber unit provided in an embodiment of the present invention with a fixing member removed;

FIG. 4 is a schematic structural diagram of a gas cell unit provided in an embodiment of the present invention, with a gas sensor module and a PID sensor removed;

FIG. 5 is a schematic view of another view structure of the gas cell unit provided in the embodiment of the present invention with the gas sensor module and the PID sensor removed;

FIG. 6 is a schematic bottom structure diagram of a plenum unit provided in an embodiment of the present invention;

fig. 7 is a schematic structural view of the air chamber unit provided in the embodiment of the present invention, from which a temperature and humidity sensor is removed;

fig. 8 is a schematic structural diagram of the air chamber unit installed inside the air quality monitoring device according to the embodiment of the present invention.

Description of reference numerals:

1. a base; 2. an air chamber; 3. an air flow channel; 4. a gas sensor module; 41. a gas sensor; 42. a fixing ring; 43. a cover plate; 5. a temperature and humidity sensor; 6. an opening; 7. installing a groove; 8. a PID sensor; 9. PID pressure rings; 10. a step-shaped structure; 11. a seal ring; 12. an air inlet; 13. and an air outlet.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 8 together, the air cell unit according to the present invention will now be described. The air chamber unit comprises a base body 1 with an air inlet 12 and an air outlet 13, a plurality of semi-closed air chambers 2 formed on the base body 1 and an air flow channel 3 arranged in the base body 1 and communicated with the air chambers 2 in series, wherein a gas sensor module 4 forming a closed chamber with the air chambers 2 is hermetically connected in the air chambers 2, the gas sensor module 4 is suitable for monitoring the quality of air in the closed chamber, and a temperature and humidity sensor 5 suitable for monitoring the temperature and humidity of the air in the closed chamber is connected in at least one air chamber 2.

Compared with the prior art, the air chamber unit provided by the utility model comprises a base body 1 with an air inlet 12 and an air outlet 13, a plurality of semi-closed air chambers 2 formed on the base body 1 and an air flow channel 3 which is arranged in the base body 1 and is communicated with the air chambers 2 in series, a gas sensor module 4 which forms a closed chamber with the air chambers 2 is hermetically connected in the air chambers 2, the gas sensor module 4 is suitable for monitoring the quality of air in the closed chamber, and a temperature and humidity sensor 5 which is suitable for monitoring the temperature and humidity of the air in the closed chamber is connected in at least one air chamber 2, so that the technical problems that the air chamber 2 unit in the prior art has single function and is difficult to monitor the air quality in various modes are solved, and the functions of the air chamber 2 unit are diversified, the technical effects of convenient installation and disassembly operation of the temperature and humidity sensor 5 for monitoring the air quality in various modes.

The air chamber 2 unit of the utility model has the following advantages besides the technical effects that when air circulates in the airflow channel 3, the air quality monitoring and the air temperature and humidity monitoring can be simultaneously carried out, the monitoring data is obtained for the air quality monitoring equipment, and the parameter information of each part of the air quality at the moment can be visually seen on the air quality monitoring equipment.

Specifically, gas sensor module 4 does not include the function to the temperature and the humidity monitoring of gas, through after using temperature and humidity sensor 5, can be when monitoring air parameter, can monitor the temperature and the humidity of air again, and temperature and humidity sensor 5's monitoring performance is strong still, and the result acquisition rate is fast, and mountable to base member 1 during the use in addition can follow and dismantle from base member 1 when not using, has increased the function of 2 units in the air chamber to gas monitoring.

After the air chamber 2 unit is installed on the air quality monitoring equipment, the air inlet 12 and the air outlet 13 of the air chamber 2 unit are respectively communicated with the corresponding gas pipelines, and after the gas passes through the air chamber 2, the corresponding monitoring can be completed.

In the present embodiment, the substrate 1 has a rectangular parallelepiped shape, and six air chambers 2 are dug at the upper end, but other numbers are possible, and the number is not limited in the present invention. Six air chambers 2 and a plurality of air flow channel 3 end to end connect in series and communicate, are a looks string column structure, namely the lateral part (maybe relative both sides, also may be adjacent two lateral parts) of air chamber 2 passes through two air flow channel 3, an air chamber 2 communicates an air flow channel 3, this air flow channel 3 communicates another air chamber 2 again, analogize in proper order. The end parts of the airflow channel 3 at the two ends of the base body 1 are respectively communicated with the air inlet 12 and the air outlet 13.

In order to facilitate the installation and the detachment of the temperature and humidity sensor 5 and the base 1, in some embodiments, please refer to fig. 6 to 7, an opening 6 is opened at the bottom of the air chamber 2 provided with the temperature and humidity sensor 5, the opening 6 is communicated with the outside of the base 1, and the temperature and humidity sensor 5 is disposed in the opening 6 and is hermetically connected with the base 1. Set up temperature and humidity sensor 5 in 1 bottom opening 6 departments of base member, under the condition that does not influence base member 1 and rationally distribute in the air quality monitoring facilities, to temperature and humidity sensor 5's rational design, can increase the function of 2 units of air chamber, obtain multiple air quality monitoring result or data, improve the air quality monitoring degree of accuracy.

Specifically, opening 6 is cylindrical, and this opening 6 makes the bottom and the inside intercommunication of air chamber 2 of base member 1, and temperature and humidity sensor 5 can monitor the temperature and the humidity of the inside air of air chamber 2 through this opening 6, and this temperature and humidity sensor 5 monitoring is sensitive, and is effectual.

In order to facilitate the installation and the removal of the temperature and humidity sensor 5 from the base 1, in some embodiments, please refer to fig. 6 to 7, the base 1 has a mounting groove 7 at the bottom, the opening 6 is located inside the mounting groove 7, and the temperature and humidity sensor 5 is detachably connected to the mounting groove 7. Install temperature and humidity sensor 5 inside mounting groove 7 through a plurality of screws, and temperature and humidity sensor 5's bottom is than the height of the bottom of base member 1 height, be about to base member 1 and install to the inside back of air quality monitoring equipment, temperature and humidity sensor 5's bottom can not bulge in base member 1's bottom, then temperature and humidity sensor 5 can not influence operations such as the installation of base member 1 and dismantlement.

Specifically, the mounting groove 7 is rectangular or square, the center of the mounting groove 7 coincides with the center of the opening 6, four screw holes are formed in the mounting groove 7 of the base body 1, screws are arranged on the temperature and humidity sensor 5, and the temperature and humidity sensor 5 can be fixed in the mounting groove 7 by aligning the screws with the screw holes and screwing the screws.

In order to achieve better communication between the air flow channels 3 and the air circulation pipeline outside the air chamber 2 unit, in some embodiments, please refer to fig. 1 to 3, an air inlet end of a first air flow channel 3 along the flow direction of the air entering the substrate 1 is communicated with an air inlet 12, an air outlet end of a last air flow channel 3 is communicated with an air outlet 13, a PID sensor 8 avoiding the air flow channel 3 is arranged in the first air chamber 2, and the PID sensor 8 is suitable for monitoring volatile organic compounds and toxic gases in the air inside the air chamber 2. Make air inlet 12 and gas outlet 13 communicate the outside circulation of air pipeline of air chamber 2 unit respectively, then the inside airflow channel 3 of base member 1 and air chamber 2 intercombination become overall structure, and this overall structure enables the circulation of air, can carry out quality, humiture, volatile organic compound and toxic gas etc. monitoring to the air at the in-process of circulation.

Specifically, the PID sensor 8 is a sensor in the prior art, and the shape of the PID sensor is matched with the internal shape of the air chamber 2, so that the PID sensor 8 can be placed inside the air chamber 2 or at the upper end of the air chamber 2 to form a closed chamber with the inside of the air chamber 2, and the air in the closed chamber can be monitored.

In order to ensure that the PID sensor 8 can be kept stable and improve the monitoring accuracy of air, in some embodiments, please refer to fig. 1 to 3, a PID pressure ring 9 is connected to the base 1, and the PID pressure ring 9 is adapted to press and fix the PID sensor 8. Can compress tightly PID sensor 8 inside or upper portion at air chamber 2 through PID clamping ring 9, prevent in use removal or dislocation etc. can improve the monitoring efficiency and the monitoring precision to the air like this.

PID clamping ring 9 is anomalous shape, and the middle part is the fretwork, and PID sensor 8's middle part can stretch out the fretwork of PID clamping ring 9, and the height that highly is greater than PID clamping ring 9 at PID sensor 8 middle part promptly, PID clamping ring 9 mainly can play the effect that compresses tightly can.

Specifically, the surface of the base 1 located at the upper end of the gas chamber 2 of the PID pressure ring 9 is lower in height than the other gas chambers 2, so that the PID sensor 8 and the PID pressure ring 9 can be easily mounted on the gas chamber 2.

In order to secure the gas sensor module 4 inside the gas chamber 2, in some embodiments, referring to fig. 1 to 5, the gas sensor module 4 includes a gas sensor 41 connected inside the gas chamber 2 and a fixing component connected to the base 1 and adapted to press and fix the gas sensor 41. Fix gas sensor 41 inside air chamber 2 through this fixed subassembly, be convenient for carry out gas monitoring to the air in the air chamber 2, be difficult to remove and the slippage in the monitoring process moreover, guarantee the monitoring result precision.

Specifically, the gas sensor 41 is a gas sensor 41 in the prior art, and the monitoring manner, the operation principle, and the like are not described herein again.

In order to fix the gas sensor 41 in the gas chamber 2, in some embodiments, referring to fig. 1 to 5, the fixing assembly includes a fixing ring 42 disposed at the upper end of the gas sensor 41 and connected to the base 1, and a cover plate 43 disposed inside the fixing ring 42 and adapted to cover the gas sensor 41. After the gas sensor 41 is pressed by the fixing ring 42, the cover plate 43 is finally placed inside the fixing ring 42, and the gas sensor 41 is covered.

Specifically, the fixing ring 42 includes an outer ring in a circular shape and an inner plate disposed inside the outer ring, the outer ring and the inner plate are of an integrated structure, and a plurality of through holes are formed in the inner plate, as shown in fig. 2, a plurality of screws are screwed to the outside of the fixing ring 42, the fixing ring 42 can be fastened to the upper end of the base 1 by screwing the screws, and then the fixing ring 42 compresses the gas sensor 41. The cover plate 43 has a circular plate-like structure and can be fittingly placed inside the fixing ring 42.

In order to realize that the gas sensor 41 can form a closed cavity with the gas chamber 2 after being placed inside the gas chamber 2, in some embodiments, referring to fig. 5, the gas chamber 2 is a cylindrical slot hole dug at the upper end of the base body 1, a step-shaped structure 10 is arranged in the gas chamber 2 along the depth direction, and the gas sensor module 4 abuts against the upper end of the step-shaped structure 10 and avoids the gas flow channel 3. The gas sensor 41 is disposed at the upper end of the stepped structure 10, so that the inside of the stepped structure 10 is a closed chamber, and the side of the closed chamber is provided with the two gas flow channels 3, so that the gas sensor 41 can monitor the air inside the closed chamber, and can obtain a more accurate monitoring result.

The stepped structure 10 has an inner diameter gradually decreasing in the depth direction of the gas chamber 2, and the inside of the gas chamber 2 is stepped when viewed in the axial cross section of the gas chamber 2.

In order to achieve better sealing performance between the gas sensor 41 and the gas chamber 2, in some embodiments, please refer to fig. 5, the upper end of the stepped structure 10 is provided with a sealing ring 11, and the sealing ring 11 is tightly sealed with the gas sensor module 4. The sealing ring 11 is arranged in the air chamber 2 and is in sealing contact with the step-shaped structure 10, and the installation and the disassembly are easy.

Specifically, the seal ring 11 may be a fluorine rubber ring or a fluorine rubber gasket, and the sealing performance between the gas sensor 41 and the inside of the gas chamber 2 may be improved.

The utility model also provides air quality monitoring equipment. Referring to fig. 8, the air quality monitoring device includes an air quality monitoring device body and the air chamber 2 unit disposed inside the air quality monitoring device body.

Compared with the prior art, the air quality monitoring device provided by the utility model is additionally provided with the air temperature and humidity sensor 5, so that the functions of the air chamber 2 unit are diversified, the air quality can be monitored in various modes, and the temperature and humidity sensor 5 is convenient to mount and dismount.

Specifically, still include photovoltaic power supply module (not shown in the figure), photovoltaic power supply module includes end to end electric connection's solar cell panel, controller and battery in proper order, and solar cell panel sets up on air quality monitoring equipment's surface, and controller and battery setting are at base member 1 lateral part, and the controller is used for turning into the electric energy with solar energy, and the battery is used for storing the electric energy to for the inside load of air quality monitoring equipment or the part power supply that needs the electric energy. A control unit (in the prior art) on the air quality monitoring device is connected between the storage battery and the load, and automatic power supply to the load can be realized through the control of the control unit. A power supply switch (not shown in the drawings) for controlling whether to supply power to the load is provided on the control unit, and whether to perform power supply can be controlled by manually or automatically operating the power supply switch.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. Air chamber unit, its characterized in that including the base member that has air inlet and gas outlet, form in a plurality of semi-enclosed air chambers on the base member and locating in the base member and establish ties the intercommunication a plurality ofly the airflow channel of air chamber, in the air chamber sealing connection have with the air chamber forms the gas sensor module of closed cavity, the gas sensor module is suitable for the quality of monitoring closed cavity indoor air, at least one in the air chamber in-connection have be suitable for the humiture sensor of monitoring closed cavity indoor air humiture.

2. The air chamber unit according to claim 1, wherein an opening is formed in the bottom of the air chamber where the temperature and humidity sensor is disposed, the opening is communicated with the outside of the base, and the temperature and humidity sensor is disposed in the opening and hermetically connected to the base.

3. The plenum unit of claim 2, wherein the base has a mounting recess in a bottom thereof, the opening being located within the mounting recess, and the temperature and humidity sensor being removably attached within the mounting recess.

4. The plenum unit of claim 1, wherein an inlet end of a first of said flow channels in a direction of air flow into said substrate communicates with said inlet port and an outlet end of a last of said flow channels communicates with said outlet port, and wherein a PID sensor is provided in said first of said plenums to avoid said flow channels, said PID sensor being adapted to monitor volatile organic compounds and toxic gases in the air inside said plenum.

5. The gas cell unit of claim 4, wherein a PID clamping ring is attached to the base, the PID clamping ring being adapted to hold the PID sensor in compression.

6. A gas cell unit according to claim 1, wherein the gas sensor module comprises a gas sensor attached to the inside of the gas cell and a fixing member attached to the base body and adapted to press-fix the gas sensor.

7. The plenum unit of claim 6, wherein the fixing assembly includes a fixing ring in a ring shape disposed on an upper end of the gas sensor and connected to the base body, and a cover plate disposed inside the fixing ring and adapted to cover the gas sensor.

8. A gas cell unit as claimed in claim 1, wherein the gas cell is a cylindrical slot hole dug in the upper end of the base body, a step-like structure is provided in the gas cell in the depth direction, and the gas sensor module abuts against the upper end of the step-like structure and avoids the gas flow passage.

9. A gas cell unit as claimed in claim 8, characterised in that the stepped structure is provided at its upper end with a sealing ring which seals against the gas sensor module.

10. An air quality monitoring device, comprising an air quality monitoring device body and the air chamber unit of any one of claims 1 to 9 provided inside the air quality monitoring device body.