CN205374368U - VOC monitor in air based on PID - Google Patents
VOC monitor in air based on PID Download PDFInfo
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- CN205374368U CN205374368U CN201521028760.XU CN201521028760U CN205374368U CN 205374368 U CN205374368 U CN 205374368U CN 201521028760 U CN201521028760 U CN 201521028760U CN 205374368 U CN205374368 U CN 205374368U
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Abstract
The utility model discloses a VOC monitor in air based on PID, the amplifier circuit that connects gradually including the PID sensor, with the PID sensor, low pass filter circuit, embedded computer treater, LCD the module, with the PID sensor is connected in addition by filtration unit, miniature air pump and airtight member through gas piping connect constitute possess air inlet, the gas sampling system of the mobile structure of one -way air of inside cavity and gas outlet, the wireless transmission who provides data still is connected with WIFI wireless module to embedded computer treater, and WIFI wireless module is connected with wireless router through wireless WIFI signal, wireless router adopts with cloud server connection through the wireless network interconnection through network and cloud server connection, mobile terminal. The utility model discloses an accurate monitoring of VOC's wireless long -distance in the room air, and can realize monitoring the data accumulation of big data, the basis of having established the big data cloud platform of indoor ambient air pollutant monitoring.
Description
Technical field:
This utility model relates to indoor environmental pollution Monitoring and Controlling field, particularly relates to a kind of based on VOC monitor in the air of PID of room air detecting instrument instrument field.
Background technology:
nullFast development along with Chinese national economy，Living standards of the people are greatly improved，To house、The requirement of office building and other industrial civil building is also by large area of taking shelter from rain of becalming、Fine fitment、Save energy and reduce the cost and wait shift in demand，But，Thus also bring very important air pollution problem inside rooms，Because the construction material used in architectural engineering、Various coating、Organic solvent、Various gaseous organic compounds in the evaporate into building space such as artificial board just do not descend hundreds of kind，Formaldehyde therein、Aromatic hydrocarbon and halogenated hydrocarbons etc.，There is higher toxicity，Health is caused great threat，Have a strong impact on the quality of life of people，The various diseases having direct relation with room air pollution not only cause huge misery and burden to sufferers themselves and family，Also society is given、Country causes very big burden and tremendous economic loss.Almost we everyone, it is all the victim of room air pollution, architectural engineering indoor environment and health problem have become the focus that scientific and technological circle's research is discussed, become the focus of society's common concern simultaneously.
At present, China carries out the control work that Building Indoor Environment pollutes comprehensively, has issued and implemented and has related to architectural engineering, construction material, " code for indoor environmental pollution control of civil building engineering " (GB50325) of ornament materials, the series national standard specification such as " indoor decorating and refurnishing materials limits of harmful substances " standard and " Indoor Air Quality standards " (GB/T18883).Some index of indoor air pollutants has been made limitation regulation by these standard criterions, makes China have standard foundation in indoor environmental pollution is prevented and treated.The issue of standard criterion, monitoring system foundation, certain effect has been played in the pollution that control architectural design, work progress bring, but for architectural engineering after being delivered for use, the domestic pollution control aspect brought due to mankind's activity is clearly present deficiency.
For room air pollution is originated with regard to it: one is that architectural engineering exceeds standard due to self-pollution things such as construction materials in design, work progress or makes the excessive pollution brought of consumption, most of pollutant in construction material are release continuously in atmosphere, some pollutant static release is for up to many decades, and under different temperature and humidity conditions, burst size is different.Two be architectural engineering after being delivered for use, the indoor and outdoor environment brought due to mankind's activity and domestic pollution；The former is pollution long-term, static release, the latter be interim, pollute dynamically.
Facts have proved, thoroughly solve air pollution problem inside rooms, must with regard to architectural engineering technique, control of material, the measures such as fresh-air ventilation air-conditioning and air pollution purification are laid equal stress on enforcement, and in control process, use modern science and technology means to representing indoor environmental quality and the environmental key-element of the indoor environmental pollution (physics that namely indoor environment is relevant with health, chemistry, biology and radioactivity parameter) implement to monitor and mensuration, and analyse environmental key-element change scientifically to indoor environment impact, evaluate indoor environmental quality and variation tendency thereof, build the operation Inspect-estimate System of efficient construction indoor environment, it it is the important means implementing Building Indoor Environment quality control, also it is the important component part of construction engineering quality supervisory system.
The concentration of VOC in Accurate Determining room air, observes, analyzes its change and the process on indoor environment impact thereof, it has also become the direction of current social research.But the detection monitoring instrument on present society, if directly applying to the operation Inspect-estimate System of Building Indoor Environment, there is also many deficiencies, instrument or data need to be provided after Enrichment at the scene to lab analysis, can directly read at the scene but lack the ability of continuous monitoring, though possess continuous monitoring capability adoptable as electrochemistry class sensor detect, its precision is low, poor stability.
Summary of the invention:
Also existing that detection program is loaded down with trivial details, detection data are scattered, Detection results is poor problem to solve the detector of VOC in currently used room air, the purpose of this utility model is in that: the detection data providing VOC in a kind of room air are accurate, it is on-the-spot or long-range to realize, long-term continuous detecting based on VOC monitor in the air of PID.
The technical solution of the utility model is achieved in that
A kind of based on PID(photoionization detector) air in VOC monitor, including VOC monitoring modular, WIFI wireless router, cloud server, mobile terminal device；Wherein, VOC monitoring modular mainly includes uviol lamp that PID sensor is connected and ionization chamber power supply circuits with PID sensor and PID sensor is sequentially connected with amplifying circuit, low-pass filter circuit, embedded computer processor, LCD KEY module, also have air filter unit, mini air pump, power circuit, closure mechanism with PID sensor is sequentially connected with；Air filter unit, mini air pump and closure mechanism connect and compose the gas sampling system of the one-way airflow structure possessing air inlet, internal cavity and air vent by gas piping, embedded computer processor is also connected with WIFI wireless module provides being wirelessly transferred of data, and WIFI wireless module is connected with wireless router by wireless WIFI signal；Wireless router is connected with cloud server by internet, mobile terminal device is connected with cloud server by interconnected with wireless network,
PID sensor and PID sensor power supply circuits are fixed in its internal cavity by closure mechanism by fixture.
Mobile terminal device runs software flow module in application software include: software startups, communication mode selection, wide area network communication, Local network communication, connection cloud server, connection WIFI wireless router, user's login, password authentification, login successfully, send/receive communication instruction, device status inquiries, real time data inquiry, the inquiry of historical data, data show, store, analyze.
Of the present utility model have the benefit effect that
1) adopt PID as sensing unit, improve monitoring accuracy；
2) compact conformation, lightweight, it is simple to carry；
3) wireless remote monitoring of VOC in room air is achieved；
4) by the data acquisition of cloud server, it may be achieved monitor the data accumulation of big data, established indoors environmental monitoring thing and monitored the basis of big data cloud platform.
Accompanying drawing illustrates:
Fig. 1 is electric component catenation principle schematic diagram of the present utility model；
Fig. 2 is wide area network communication work pattern diagram of the present utility model；
Fig. 3 is Local network communication mode of operation schematic diagram of the present utility model；
Fig. 4 is sampling gas circuit schematic diagram of the present utility model.
Fig. 5 is mobile terminal device application software flow chart of the present utility model.
Detailed description of the invention:
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Shown in Fig. 1 Fig. 5, based on PID(photoionization detector) air in VOC monitor, including VOC monitoring modular 10, WIFI wireless router 14, cloud server 11, mobile terminal device 12；VOC monitoring modular 10 mainly includes uviol lamp and the ionization chamber power supply circuits 2 that PID sensor 1 is connected with PID sensor 1, it is connected with SKA/PID-101 type PID sensor 1 by circuit by PID sensor power supply circuits 2, provides stable running voltage for PID sensor 1；After under the air ultraviolet light in PID sensor 1 of PID sensor 1 output and high pressure effect, the voltage signal of ionization is amplified with amplifying circuit 3 by circuit, reject the shortage term fluctuation in voltage signal by connected low-pass filter circuit 4, make voltage signal more steadily, enter back into the embedded computer processor 4 being connected with low-pass filter circuit 4；WIFI wireless module 6 is connected with embedded computer processor 5 by circuit provides being wirelessly transferred of data；LCD KEY module 7 be connected with embedded computer processor 5 by circuit man-machine interactive operation be provided；Mini air pump 8 is connected offer gas sampling power by circuit with embedded computer processor 5, power circuit 9 is connected offer working voltage by circuit with embedded computer processor 5.For preventing the blocking of sampling gas circuit, air filter unit 13 is connected with closure mechanism 17 by gas piping；PID sensor 1 and PID sensor power supply circuits 2 are fixed in its internal cavity by closure mechanism 17 by fixture；Constitute for civil buildings indoor environmental pollution control field, organic pollution in room air is implemented on-the-spot remote monitoring cls analysis.
Be it can also be seen that by Fig. 4: air filter unit 13, mini air pump 8 and closure mechanism 17 connect and compose the gas sampling system of the one-way airflow structure possessing air inlet 15, internal cavity and gas outlet 16 by gas piping, embedded computer processor 5 is also connected with WIFI wireless module 6 provides being wirelessly transferred of data, and WIFI wireless module 6 is connected with wireless router 14 by wireless WIFI signal；Wireless router 14 is connected with cloud server 11 by internet, mobile terminal 12 is connected with cloud server 11 by interconnected with wireless network.
Based on PID(photoionization detector) air in VOC monitor work process be divided into sampling analysis, remote transmission, Data Management Analysis step:
In sampling analysis process such as Fig. 4, instrumentation programization works, and starts air sampling pump 2, and under the effect of air sampling pump 2 work, extraneous air is from air inlet 15, by air filter unit 13, to closure mechanism 17, discharges outside monitor again through air vent 16；
Under sampling analysis duty, PID sensor power supply circuits 2 are powered for PID sensor 1, air through closure mechanism 17, ultraviolet light in PID sensor 1 and ionization under the effect of high pressure, PID sensor 1 is made to produce the signal of telecommunication, this signal amplifies through amplifying circuit 3, after the filtering of low-pass filtered circuit 4, sends into the embedded computer processor 5 with A/D digital-to-analogue conversion and carries out procedure treatment analysis.
Reaching after program arranges the sampling time, air sampling pump 2 quits work, after Monitoring Data is processed by embedded computer processor 5, by LCD KEY module 7 realize the display of data, and VOC concentration data in the room air monitored is sent to WIFI wireless module 6, instrument enters wireless network transmissions state.
Based on the method that VOC monitor in the air of PID realizes remotely monitoring: transmission of status pattern is divided into two kinds, pattern one is as shown in Figure 2: be operated under wide area network communication mode, data are transmitted to cloud server 11 in wireless network mode by WIFI wireless module 6 by wireless router 14, use the mobile terminal devices 12 such as the panel computer and the mobile phone that possess radio network functions to run application software, access cloud server by internet and obtain Monitoring Data enforcement graphic software platform.Pattern two is as shown in Figure 3: be operated under Local network communication pattern, data are wirelessly transmitted by WIFI wireless module 6 by wireless router 14 possesses the mobile terminal 12 of radio network functions to panel computer and mobile phone etc., and mobile terminal device unit application software is implemented data storage, analyzed and graphic software platform function.
nullIn mobile terminal device 12, run application software flow process is as shown in Figure 5: run application software，Enter software and start 18 states，User can carry out communication mode and select 19 operations，Communication mode selects 19 to be divided into wide area network communication 20 and Local network communication 21 two parts，Described wide area network communication 20，Software system runs and connects Cloud Server 22，Connection Cloud Server 22 can carry out user after completing and log in 24，Software system carries out password authentification 25，Password authentification 25 is proved to be successful afterwards and enters and logins successfully 26 states，It is transmitted/receives communication instruction 27 after completing to login successfully 26 to operate，Sending/receive communication instruction 27 is divided into the device status inquiries 28 can queried access VOC monitoring modular 10 running status、Real time data inquiry 29 and the inquiry of historical data 30，Carry out data show by real time data inquiry 29 and the inquiry of historical data 30 function acquisition data、Storage、Analyze 31；Described open Local network communication 21 after, software system runs and connects wifi wireless router 23, complete to connect wifi wireless router 23 to be transmitted/receive communication instruction 27 and operate, send/receive communication instruction 27 and include device status inquiries 28, real time data inquiry 29 and the inquiry of historical data 30, by real time data inquire about 29 and the data that obtain of the inquiry of historical data 30 function carry out data show, storage, analysis 31.
Monitoring Data is remotely checked in this utility model accuracy height, compact structure, variation, can be widely applied to VOC in air is implemented the numerous areas of regulation and control, has great economic and social benefit.
Claims (2)
1. based on a VOC monitor in the air of photoionization detector (PID), including VOC monitoring modular (10), WIFI wireless router (14), cloud server (11), mobile terminal device (12)；It is characterized in that: VOC monitoring modular (10) mainly includes uviol lamp that PID sensor (1) is connected and ionization chamber power supply circuits (2) with PID sensor (1) and PID sensor is sequentially connected with amplifying circuit (3), low-pass filter circuit (4), embedded computer processor (5), LCD KEY module (7), also have air filter unit (13), mini air pump (8), power circuit (9), closure mechanism (17) with PID sensor is sequentially connected with；Air filter unit (13), mini air pump (8) and closure mechanism (17) connect and compose the gas sampling system of the one-way airflow structure possessing air inlet (15), internal cavity and air vent (16) by gas piping, embedded computer processor (5) is also connected with WIFI wireless module (6) provides being wirelessly transferred of data, and WIFI wireless module (6) is connected with wireless router (14) by wireless WIFI signal；Wireless router (14) is connected with cloud server (11) by internet, mobile terminal device (12) is connected with cloud server (11) by interconnected with wireless network.
2. one according to claim 1 is based on VOC monitor in the air of photoionization detector (PID), it is characterised in that: PID sensor (1) and PID sensor power supply circuits (2) are fixed in its internal cavity by closure mechanism (17) by fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201521028760.XU CN205374368U (en) | 2015-12-14 | 2015-12-14 | VOC monitor in air based on PID |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521028760.XU CN205374368U (en) | 2015-12-14 | 2015-12-14 | VOC monitor in air based on PID |
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| CN205374368U true CN205374368U (en) | 2016-07-06 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388208A (en) * | 2015-12-14 | 2016-03-09 | 河南省建筑科学研究院有限公司 | PID-based air VOC monitoring machine and remote monitoring realization method thereof |
| CN108254329A (en) * | 2018-01-23 | 2018-07-06 | 盐城工学院 | Automobile VOC concentration detection systems and method |
| CN112649575A (en) * | 2020-12-25 | 2021-04-13 | 上海布尔自动化控制有限公司 | Two catalytic dry gas hydrogen sulfide content on-line measuring system |
| US11027038B1 (en) | 2020-05-22 | 2021-06-08 | Delta T, Llc | Fan for improving air quality |
| US11400177B2 (en) | 2020-05-18 | 2022-08-02 | Wangs Alliance Corporation | Germicidal lighting |
-
2015
- 2015-12-14 CN CN201521028760.XU patent/CN205374368U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388208A (en) * | 2015-12-14 | 2016-03-09 | 河南省建筑科学研究院有限公司 | PID-based air VOC monitoring machine and remote monitoring realization method thereof |
| CN108254329A (en) * | 2018-01-23 | 2018-07-06 | 盐城工学院 | Automobile VOC concentration detection systems and method |
| CN108254329B (en) * | 2018-01-23 | 2021-03-02 | 盐城工学院 | Automobile VOC concentration detection system and method |
| US11400177B2 (en) | 2020-05-18 | 2022-08-02 | Wangs Alliance Corporation | Germicidal lighting |
| US11433154B2 (en) | 2020-05-18 | 2022-09-06 | Wangs Alliance Corporation | Germicidal lighting |
| US11612670B2 (en) | 2020-05-18 | 2023-03-28 | Wangs Alliance Corporation | Germicidal lighting |
| US11696970B2 (en) | 2020-05-18 | 2023-07-11 | Wangs Alliance Corporation | Germicidal lighting |
| US11027038B1 (en) | 2020-05-22 | 2021-06-08 | Delta T, Llc | Fan for improving air quality |
| CN112649575A (en) * | 2020-12-25 | 2021-04-13 | 上海布尔自动化控制有限公司 | Two catalytic dry gas hydrogen sulfide content on-line measuring system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 |