CN217212553U - Carbon dioxide sensor for monitoring indoor environment - Google Patents

Abstract

The utility model relates to the technical field of indoor air quality detection equipment, in particular to a carbon dioxide sensor for monitoring indoor environment, which comprises a carbon dioxide sensor electrically connected with a control mainboard and a fan electrically connected with the control mainboard, wherein one side of the carbon dioxide sensor is provided with a primary treatment device, the primary treatment device comprises a solution storage cylinder vertically arranged, and the top surface of the solution storage cylinder is provided with an outlet pipe communicated with the inside of the solution storage cylinder; the top surface of the solution storage cylinder is provided with a secondary treatment device, the secondary treatment device comprises a fixed cylinder fixedly arranged on the top surface of the solution storage cylinder, and the inner wall of the fixed cylinder is fixedly provided with a nickel ferrite catalysis net. The utility model discloses can handle carbon dioxide gas, do benefit to and reduce indoor carbon dioxide gas concentration, facilitate the use.

Description

Carbon dioxide sensor for monitoring indoor environment

Technical Field

The utility model relates to an indoor air quality check out test set technical field, specifically speaking relates to a carbon dioxide sensor that indoor environment monitoring used.

Background

In order to avoid the condition that indoor carbon dioxide concentration is too high to cause harm to the human body to appear, can be at the carbon dioxide sensor that indoor installation corresponds usually, utilize the carbon dioxide sensor to monitor the operation to the carbon dioxide in the indoor environment, the type of the carbon dioxide sensor on the market is more, but most carbon dioxide sensor when using, have the defect that can not in time handle the higher carbon dioxide of indoor concentration, be unfavorable for guaranteeing human safety, bring certain inconvenience for the user.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a carbon dioxide sensor that indoor environmental monitoring used to solve the defect that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a carbon dioxide sensor for monitoring indoor environment comprises a carbon dioxide sensor electrically connected with a control main board and a fan electrically connected with the control main board, wherein a primary treatment device is arranged on one side of the carbon dioxide sensor and comprises a vertically arranged solution storage cylinder, an air outlet pipe communicated with the inside of the solution storage cylinder is arranged on the top surface of the solution storage cylinder, and an air outlet pipe penetrating through the solution storage cylinder and extending into the inside of the solution storage cylinder is arranged on an air outlet end pipe body of the fan; be provided with secondary treatment device on the top surface of solution storage cylinder, secondary treatment device includes fixed mounting and is in fixed cylinder on the solution storage cylinder top surface, fixed mounting has solid fixed ring on the inner wall of fixed cylinder, fixed mounting has nickel ferrite catalysis net on solid fixed ring's the inner wall.

Preferably, the cross-section of air-out pipe is L shape, the vertical section pipe body of air-out pipe is vertical downward setting, does benefit to the air-out pipe and normally inserts in the solution of solution storage cylinder.

Preferably, the solution storage cylinder is provided with a replenishing pipe on the cylinder body, so that the solution can be replenished into the solution storage cylinder by using the replenishing pipe.

Preferably, a discharge pipe is further arranged on the bottom cylinder body of the solution storage cylinder, and the replenishing pipe and the discharge pipe are both in threaded connection with sealing covers, so that the solution in the solution storage cylinder can be discharged outwards along the discharge pipe after the solution in the solution storage cylinder fails.

Preferably, the inner wall of the fixed cylinder is fixedly provided with an inner cylinder, the inner cylinder is positioned between the fixed ring and the solution storage cylinder, and the inner wall of the inner cylinder is provided with a nickel ferrite catalytic ring with a hollow annular section, so that the nickel ferrite catalytic ring can be used for further processing carbon dioxide gas in use.

Preferably, the nickel ferrite catalytic separation net with a cross-shaped section is arranged on the inner wall of the nickel ferrite catalytic ring, and the contact area between the carbon dioxide gas and the nickel ferrite catalytic separation net can be increased through the arranged nickel ferrite catalytic separation net, so that the carbon dioxide gas is treated more thoroughly.

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

the utility model ensures that when the concentration of indoor carbon dioxide is higher, the fan can be utilized to work to convey indoor air into the solution storage cylinder, the effect of removing carbon dioxide is achieved by utilizing the reaction between the solution in the solution storage cylinder and the carbon dioxide in the air, in addition, the air entering the solution storage cylinder can be discharged along the air outlet pipe and enter the fixed cylinder, and further treated by the nickel ferrite catalytic net, the nickel ferrite catalytic ring and the nickel ferrite catalytic separation net, the carbon dioxide gas treatment is ensured to be more thorough, the finally treated air can be outwards dispersed through the through hole gap in the nickel ferrite catalytic net, the use is convenient, the defect that the carbon dioxide with higher indoor concentration cannot be treated in time when most carbon dioxide sensors are used is solved, is not beneficial to ensuring the safety of human body and brings certain inconvenience to users.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a partial schematic structural view of embodiment 1 of the present invention;

fig. 3 is an exploded schematic view of a secondary treatment device in embodiment 1 of the present invention;

fig. 4 is a schematic structural diagram of embodiment 2 of the present invention.

The meaning of the individual reference symbols in the figures is: 1. a control main board; 10. a carbon dioxide gas sensor; 11. a fan; 111. an air outlet pipe; 2. a primary treatment device; 20. a solution storage cartridge; 21. an air outlet pipe; 22. a replenishing pipe; 23. a discharge pipe; 24. a sealing cover; 3. a secondary treatment device; 30. a fixed cylinder; 31. a fixing ring; 311. a nickel ferrite catalytic mesh; 32. an inner barrel; 33. nickel ferrite catalytic ring; 34. nickel ferrite catalysis separation net; 4. a transparent window; 40. the maximum water line.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

Referring to fig. 1 to fig. 3, the present embodiment provides a technical solution: a carbon dioxide sensor for monitoring indoor environment comprises a carbon dioxide sensor 10 electrically connected with a control main board 1 and a fan 11 electrically connected with the control main board 1, wherein a primary treatment device 2 is arranged on one side of the carbon dioxide sensor 10, the primary treatment device 2 comprises a solution storage cylinder 20 vertically arranged, a sodium peroxide solution is stored in the solution storage cylinder 20, the sodium peroxide solution can react with carbon dioxide in air to generate oxygen, and the effect of treating the carbon dioxide gas can be achieved;

specifically, an air outlet pipe 21 communicated with the inside of the solution storage cylinder 20 is fixedly installed on the top surface of the solution storage cylinder 20, and an air outlet pipe 111 penetrating through the solution storage cylinder 20 and extending into the inside of the solution storage cylinder 20 is fixedly installed on an air outlet end pipe body of the fan 11; be provided with secondary treatment device 3 on the top surface of solution storage cylinder 20, secondary treatment device 3 is including the solid fixed cylinder 30 of the inseparable welding on solution storage cylinder 20 top surface, fixed mounting has solid fixed ring 31 on the inner wall of solid fixed cylinder 30, fixed mounting has nickel ferrite catalysis net 311 on the inner wall of solid fixed ring 31, guarantee when using, can utilize fan 11 work, realize carrying outside air to the reaction of sodium peroxide solution in solution storage cylinder 20 in with solution storage cylinder 20 in, gas after the reaction can be followed outlet duct 21 and discharged and enter into solid fixed cylinder 30, pass through the further catalytic reaction of nickel ferrite catalysis net 311, can improve the treatment effect to carbon dioxide, facilitate the use.

In this embodiment, the carbon dioxide sensor 10 may be a carbon dioxide sensor of MH-Z19B series, and the MH-Z19B carbon dioxide sensor is a device for detecting CO2 existing in the air by using a non-dispersive infrared principle; the non-dispersive infrared principle is that the absorption characteristics are selected based on the near infrared spectrum of different gas molecules, the gas components are identified by utilizing the relation between the gas concentration and the absorption intensity, and the concentration of the gas components is determined; the MH-Z19B carbon dioxide gas sensor has the characteristics of good selectivity, no oxygen dependence, long service life and the like; meanwhile, the device also has built-in temperature compensation; meanwhile, the device has the performance of serial port output and PWM output.

In this embodiment, the cross-section of air-out pipe 111 is L shape, and the vertical section pipe body of air-out pipe 111 is vertical downward setting, does benefit to in the solution that air-out pipe 111 normally inserted into solution storage cylinder 20.

Further, a replenishing tube 22 is fixedly mounted on the cylinder body of the solution storage cylinder 20, so that the solution can be replenished into the solution storage cylinder 20 by using the replenishing tube 22; the bottom cylinder body of the solution storage cylinder 20 is also fixedly provided with a discharge pipe 23, and the supplement pipe 22 and the discharge pipe 23 are both in threaded connection with sealing covers 24, so that the solution in the solution storage cylinder 20 can be discharged outwards along the discharge pipe 23 after the solution in the solution storage cylinder 20 loses efficacy.

In addition, the inner wall of the fixed cylinder 30 is also fixedly provided with an inner cylinder 32, the inner cylinder 32 is positioned between the fixed ring 31 and the solution storage cylinder 20, and the inner wall of the inner cylinder 32 is fixedly provided with a nickel ferrite catalytic ring 33 with a hollow annular section, so that when in use, the nickel ferrite catalytic ring 33 can be used for further processing the carbon dioxide gas.

It is worth to be noted that the nickel ferrite catalytic separation net 34 with a cross-shaped section is arranged on the inner wall of the nickel ferrite catalytic ring 33, and the contact area between the carbon dioxide gas and the nickel ferrite catalytic separation net 34 can be increased through the arranged nickel ferrite catalytic separation net 34, so that the carbon dioxide gas is treated more thoroughly.

It is worth noting that the nickel ferrite catalytic mesh 311, the nickel ferrite catalytic ring 33 and the nickel ferrite catalytic separation mesh 34 are all made of nickel ferrite materials, and the nickel ferrite materials can be used as catalysts to directly decompose carbon dioxide gas into carbon and oxygen, so as to achieve the effect of treating the carbon dioxide gas.

It should be noted that the fan 11 in this embodiment is a conventional technology, and is not described herein again.

In the specific use process of the embodiment, when the concentration of the indoor carbon dioxide gas is high, the fan 11 can be connected to an external power supply and works, the fan 11 works to convey the external air into the solution storage cylinder 20 along the air outlet pipe 111, the carbon dioxide gas in the air can react with the sodium peroxide solution in the solution storage cylinder 20 and release oxygen, the air treated by the sodium peroxide solution can enter the fixed cylinder 30 along the air outlet pipe 21 and further undergo catalytic reaction through the nickel ferrite catalytic mesh 311, the nickel ferrite catalytic ring 33 and the nickel ferrite catalytic separation mesh 34, and finally the treated air can be discharged outwards along the through hole gaps in the nickel ferrite catalytic mesh 311, so that the use is convenient.

Example 2

Referring to fig. 4, the difference between the present embodiment and embodiment 1 is: the surface of solution storage cylinder 20 is provided with transparent window 4 along the setting of solution storage cylinder 20 direction of height, and transparent window 4 is transparent material, makes things convenient for the staff to see through transparent window 4 and observes the particular case in the solution storage cylinder 20.

In this embodiment, the surface of the transparent window 4 is provided with a maximum water level line 40, and the maximum water level line 40 is set to facilitate the addition of a proper amount of solution into the solution storage cylinder 20 by a worker.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a carbon dioxide sensor that indoor environmental monitoring used, include with control mainboard (1) between electric connection's carbon dioxide gas sensor (10) and with control mainboard (1) between electric connection's fan (11), its characterized in that: a primary treatment device (2) is arranged on one side of the carbon dioxide gas sensor (10), the primary treatment device (2) comprises a vertically arranged solution storage cylinder (20), an air outlet pipe (21) communicated with the inside of the solution storage cylinder (20) is arranged on the top surface of the solution storage cylinder (20), and an air outlet pipe (111) penetrating through the solution storage cylinder (20) and extending into the inside of the solution storage cylinder (20) is arranged on an air outlet end pipe body of the fan (11); be provided with secondary treatment device (3) on the top surface of solution storage cylinder (20), secondary treatment device (3) are including fixed mounting fixed cylinder (30) on solution storage cylinder (20) top surface, fixed mounting has solid fixed ring (31) on the inner wall of fixed cylinder (30), fixed mounting has nickel ferrite catalysis net (311) on the inner wall of solid fixed ring (31).

2. The carbon dioxide sensor for monitoring an indoor environment according to claim 1, wherein: the cross-section of air-out pipe (111) is L shape, the vertical section pipe body of air-out pipe (111) is vertical downward setting.

3. The carbon dioxide sensor for monitoring an indoor environment according to claim 1, wherein: and a replenishing pipe (22) is arranged on the cylinder body of the solution storage cylinder (20).

4. The carbon dioxide sensor for monitoring an indoor environment according to claim 3, wherein: a discharge pipe (23) is further arranged on the bottom barrel body of the solution storage barrel (20), and sealing covers (24) are in threaded connection with the supplement pipe (22) and the discharge pipe (23).

5. The carbon dioxide sensor for monitoring an indoor environment according to claim 1, wherein: still fixed mounting has inner tube (32) on the inner wall of fixed cylinder (30), inner tube (32) are located fixed ring (31) with between solution storage cylinder (20), be provided with on the inner wall of inner tube (32) the cross-section and be hollow annular nickel ferrite catalysis ring (33).

6. The carbon dioxide sensor for monitoring an indoor environment according to claim 5, wherein: the inner wall of the nickel ferrite catalysis ring (33) is provided with a nickel ferrite catalysis separation net (34) with a cross-shaped section.

Images