CN212111248U - Ozone concentration monitoring and analyzing system - Google Patents
Ozone concentration monitoring and analyzing system Download PDFInfo
- Publication number
- CN212111248U CN212111248U CN202020578609.8U CN202020578609U CN212111248U CN 212111248 U CN212111248 U CN 212111248U CN 202020578609 U CN202020578609 U CN 202020578609U CN 212111248 U CN212111248 U CN 212111248U
- Authority
- CN
- China
- Prior art keywords
- module
- gas circuit
- ozone
- gas
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses an ozone concentration monitoring analytic system, including air pump collection air module, filter tank filtration ozone module, solenoid valve switching gas circuit module, voltage acquisition module and electrochemistry gas sensor, air pump collection air module connects the solenoid valve through two gas circuits and switches the gas circuit module, and a gas circuit switches the gas circuit module for air pump collection air module lug connection solenoid valve, and another gas circuit filters ozone module through the filter tank for air pump collection air module and connects the solenoid valve switching gas circuit module, electrochemistry gas sensor passes through voltage acquisition module and connects the solenoid valve switching gas circuit module. Compared with the prior art, the utility model the advantage lie in: the electrochemical gas sensor and the microcontroller technology are adopted to realize real-time monitoring of the concentration of ozone in the atmosphere, so that the defect that the electrochemical gas sensor in the prior art is influenced by cross interference factors to cause overlarge deviation between detected ozone concentration data and actual ozone concentration data is overcome.
Description
Technical Field
The utility model relates to an ozone monitoring analysis technical field specifically indicates an ozone concentration monitoring analysis system.
Background
The existing electrochemical ozone detection technology comprises the following steps: ozone in air is monitored based on an electrochemical gas sensor. The method is characterized in that air is collected in a diffusion mode, the collected air flows into an ozone sensor, and after the air is subjected to the optimized conditions of temperature and humidity software compensation and cross interference software compensation, a series of voltage changes of an electrochemical gas sensor after compensation are measured, so that the concentration of ozone is calculated.
As shown in fig. one, the ozone detection technology has the following disadvantages: the electrochemical gas sensor is interfered by other gases in the air in a cross way, so that the concentration monitoring of ozone is influenced, but the cross interference software compensation method used by the existing ozone monitoring technology cannot completely eliminate cross interference factors to calculate the concentration of ozone, and the compensation is invalid under the condition of various interference gases, so that the finally monitored concentration of ozone is completely inconsistent with the actual concentration of ozone.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome above technical defect, provide an ozone concentration monitoring analytic system that adopts electrochemistry gas sensor and microcontroller technique to realize the concentration of ozone in the real-time supervision atmosphere to overcome among the prior art that electrochemistry gas sensor receives cross interference factor's influence to make the ozone concentration data that detect and the too big shortcoming of actual deviation.
In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides an ozone concentration monitoring analytic system, includes that air pump gathers air module, filter tank and filters ozone module, solenoid valve switching gas circuit module, voltage acquisition module and electrochemistry gas sensor, air pump gathers air module and connects solenoid valve switching gas circuit module through two gas circuits, and a gas circuit switches gas circuit module for air pump gathers air module lug connection solenoid valve switching gas circuit module, and another gas circuit is air pump gathers air module and filters ozone module through filter tank and connect solenoid valve switching gas circuit module, electrochemistry gas sensor passes through voltage acquisition module and connects solenoid valve switching gas circuit module.
As an improvement, the filter tank ozone filtering module adopts a filter tank sealed in a light-shading mode to process ozone.
As an improvement, the electromagnetic valve switching gas circuit module comprises two gas inlets and a gas outlet, wherein the two gas inlets are directly connected with the air pump collecting air module, the two gas inlets are connected with the air pump collecting air module through the filtering tank filtering ozone module, and the gas outlet is formed in the electromagnetic valve switching gas circuit module.
As an improvement, when the electromagnetic valve switching air path module obtains 0V voltage, the electromagnetic valve switching air path module is directly connected with an air path opening of the air pump air collecting module, and the other air path is blocked.
As an improvement, when the electromagnetic valve switching gas circuit module obtains 12V voltage, the gas circuit of the electromagnetic valve switching gas circuit module, which is connected with the air pump air collecting module through the filtering tank ozone filtering module, is opened, and the other gas circuit is blocked.
As an improvement, the electrochemical gas sensor is connected with the gas outlet of the electromagnetic valve switching gas circuit module through a voltage acquisition module.
Compared with the prior art, the utility model the advantage lie in: in the process of collecting and calculating the ozone concentration, the effect of the ozone filtering module of the filter tank and the effect of the electromagnetic valve switching gas circuit module are utilized, the results are obtained through two gas circuits, and finally, the cross interference factor is completely eliminated by using subtraction operation when the ozone concentration is calculated, so that the accuracy of monitoring the ozone concentration is improved, and the detection limit of the ozone is less than or equal to 5 ppb.
Drawings
Fig. 1 is a schematic diagram of the prior art of the present invention.
Fig. 2 is a schematic diagram of the present invention.
Fig. 3 is a schematic view of an embodiment of the present invention.
As shown in the figure: 1. air pump collection air module, 2, filter jar filter ozone module, 3, solenoid valve switch gas circuit module, 4, voltage acquisition module, 5, electrochemistry gas sensor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to fig. 2-3, an ozone concentration monitoring and analyzing system comprises an air pump collecting air module 1, a filter tank filtering ozone module 2, a solenoid valve switching air circuit module 3, a voltage collecting module 4 and an electrochemical gas sensor 5, wherein the air pump collecting air module 1 is connected with the solenoid valve switching air circuit module 3 through two air circuits, one air circuit is the air pump collecting air module 1 directly connected with the solenoid valve switching air circuit module 3, the other air circuit is the air pump collecting air module 1 connected with the solenoid valve switching air circuit module 3 through the filter tank filtering ozone module 2, and the electrochemical gas sensor 5 is connected with the solenoid valve switching air circuit module 3 through the voltage collecting module 4.
Filter jar and filter ozone module 2 and adopt the sealed filter jar of light-resistant to handle ozone, solenoid valve switches gas circuit module 3 and includes lug connection air pump collection air module 1 and filters two air inlets that ozone module 2 connects air pump collection air module 1 through the filter jar, and a gas outlet, when solenoid valve switches gas circuit module 3 and obtains 0V voltage, the gas circuit that 3 lug connection air pump collection air module 1 of solenoid valve switches gas circuit module is opened, another gas circuit blocks, when solenoid valve switches gas circuit module 3 and obtains 12V voltage, solenoid valve switches gas circuit module 3 and passes through the gas circuit that filter jar and filter ozone module 2 and connect air pump collection air module 1 and open, another gas circuit blocks, electrochemistry gas sensor 5 is connected with the gas outlet that solenoid valve switches gas circuit module 3 through voltage acquisition module 4.
When the utility model is implemented, the air pump collects the air module 1, collects the air and divides the collected air into two air paths, so as to prepare for eliminating the cross interference factors of the subsequent modules; the filter tank is connected with the ozone filtering module 2, one of the air paths of the air pump air collecting module 1 is connected, when air enters the dark and completely sealed filter tank, ozone in the air can be automatically decomposed, only ozone can be automatically decomposed, the concentration of other gases is not lost completely, and the ozone is simply filtered; the electromagnetic valve switching gas circuit module 3 is divided into two gas inlets and one gas outlet according to the gas circuit branch of the air pump collecting air module 1, wherein one gas inlet is used for collecting untreated air, the other gas inlet is used for collecting air filtered by the filter tank to remove ozone, when the electromagnetic valve obtains 12V voltage, the gas circuit of the untreated gas inlet can be blocked, the gas circuit of the other gas inlet is opened, otherwise, when the electromagnetic valve obtains 0V voltage, the gas circuit of the untreated gas inlet can be opened, the gas circuit of the other gas inlet can be blocked, and therefore the effect of gas circuit switching is achieved; voltage acquisition module 4 inserts the gas outlet gas circuit that the solenoid valve switches the gas circuit module, makes gaseous inflow electrochemistry gas sensor 5, gathers the analog signal of this sensor and converts into voltage signal, because the air inlet gas circuit that the solenoid valve switches the gas circuit module switches, the voltage of gathering divide into the unprocessed one-way voltage of air and the gas treatment voltage of air process filter tank pure ozone. And finally, calculating the concentration of the single-pass gas and the concentration of the gas treated by the gas according to the two voltages, and subtracting the two concentrations to completely eliminate the cross interference factor, namely subtracting the concentrations of all other gases except the ozone, namely the final result is the ozone concentration of the air.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (6)
1. An ozone concentration monitoring and analyzing system is characterized in that: including air pump collection air module (1), filter tank filtration ozone module (2), solenoid valve switching gas circuit module (3), voltage acquisition module (4) and electrochemistry gas sensor (5), air pump collection air module (1) is connected the solenoid valve through two gas circuits and is switched gas circuit module (3), and a gas circuit switches gas circuit module (3) for air pump collection air module (1) lug connection solenoid valve, and another gas circuit is air pump collection air module (1) and is connected solenoid valve switching gas circuit module (3) through filter tank filtration ozone module (2), electrochemistry gas sensor (5) are connected the solenoid valve through voltage acquisition module (4) and are switched gas circuit module (3).
2. The ozone concentration monitoring and analyzing system of claim 1, wherein: the filter tank filter ozone module (2) adopts a filter tank sealed in a light-shading mode to process ozone.
3. The ozone concentration monitoring and analyzing system of claim 1, wherein: the electromagnetic valve switching gas circuit module (3) comprises two gas inlets and a gas outlet, wherein the two gas inlets are directly connected with the gas pump collecting air module (1) and are connected with the gas pump collecting air module (1) through the filtering tank filtering ozone module (2).
4. The ozone concentration monitoring and analyzing system of claim 3, wherein: when the electromagnetic valve switching gas circuit module (3) obtains 0V voltage, the gas circuit of the electromagnetic valve switching gas circuit module (3) is directly connected with the air pump air collecting module (1) and is opened, and the other gas circuit is blocked.
5. The ozone concentration monitoring and analyzing system of claim 3, wherein: when the electromagnetic valve switching gas circuit module (3) obtains 12V voltage, the electromagnetic valve switching gas circuit module (3) is connected with a gas circuit opening of the air pump collecting air module (1) through the filter tank filtering ozone module (2), and the other gas circuit is blocked.
6. The ozone concentration monitoring and analyzing system of claim 3, wherein: and the electrochemical gas sensor (5) is connected with the gas outlet of the electromagnetic valve switching gas circuit module (3) through the voltage acquisition module (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020578609.8U CN212111248U (en) | 2020-04-17 | 2020-04-17 | Ozone concentration monitoring and analyzing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020578609.8U CN212111248U (en) | 2020-04-17 | 2020-04-17 | Ozone concentration monitoring and analyzing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212111248U true CN212111248U (en) | 2020-12-08 |
Family
ID=73640010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020578609.8U Active CN212111248U (en) | 2020-04-17 | 2020-04-17 | Ozone concentration monitoring and analyzing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212111248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114152653A (en) * | 2021-10-14 | 2022-03-08 | 中国计量科学研究院 | Method and device for decoupling and measuring concentration of nitrogen dioxide and ozone in atmosphere with high precision |
-
2020
- 2020-04-17 CN CN202020578609.8U patent/CN212111248U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114152653A (en) * | 2021-10-14 | 2022-03-08 | 中国计量科学研究院 | Method and device for decoupling and measuring concentration of nitrogen dioxide and ozone in atmosphere with high precision |
| CN114152653B (en) * | 2021-10-14 | 2023-08-08 | 中国计量科学研究院 | Method and device for decoupling and high-precision measurement of nitrogen dioxide and ozone concentration in atmosphere |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210021598U (en) | Waste gas circulation treatment device | |
| CN212111248U (en) | Ozone concentration monitoring and analyzing system | |
| CN109030737A (en) | A kind of sewage foul gas detection system and sewage foul gas detection method | |
| CN115166180A (en) | Landfill leachate water quality analysis system and method | |
| CN209858539U (en) | Ambient air, peculiar smell stench class and VOC gas monitoring system | |
| CN105758890A (en) | Online rainfall monitoring system and online rainfall monitoring method | |
| CN207181109U (en) | Confined gas sampler | |
| CN220084466U (en) | Filterable flue gas on-line monitoring equipment | |
| CN112729976A (en) | Industrial waste gas detection system | |
| CN210206469U (en) | Power plant reverse osmosis membrane concentration rate control system | |
| CN210114982U (en) | Device suitable for ceramic membrane module performance test | |
| CN101870525B (en) | Control device for improving maintenance control stability of membrane filter water purifying processing system and method thereof | |
| CN105797471A (en) | Filter element replacement prompting system and method | |
| CN205941108U (en) | Gas sampling preprocessing device | |
| CN219695043U (en) | Exhaust emission port monitoring platform | |
| CN209689976U (en) | A kind of enriching apparatus for organic analyte detection | |
| CN221351458U (en) | Carbon dioxide on-line analysis device | |
| CN218272168U (en) | Sulfur dioxide measuring device for industrial waste gas treatment | |
| CN112611693A (en) | Flue gas measurement system based on gas purification device | |
| CN216926751U (en) | Oxygen content analysis device and flash evaporation equipment | |
| CN217466837U (en) | Pretreatment device of gas analyzer for measuring trace oxygen content in sample gas | |
| CN109283277B (en) | Online monitoring system and method for organic waste gas treatment efficiency of RTO (room temperature oxygen) device | |
| CN220656532U (en) | A filter equipment for waste water waste gas on-line monitoring | |
| CN219348820U (en) | Gas permeable well monitoring preparation system based on NB-IOT | |
| CN218885554U (en) | Automatic air sample retention device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |