CN103823020A - Portable indoor air quality detector - Google Patents
Portable indoor air quality detector Download PDFInfo
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- CN103823020A CN103823020A CN201210469816.XA CN201210469816A CN103823020A CN 103823020 A CN103823020 A CN 103823020A CN 201210469816 A CN201210469816 A CN 201210469816A CN 103823020 A CN103823020 A CN 103823020A
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Abstract
The invention discloses a portable indoor air quality detector which comprises a microcontroller module, a rechargeable battery, a data storage module connected with the microcontroller module, and a touch liquid crystal display, wherein the input terminal of the rechargeable battery is connected with a battery power detection circuit module; an A/D (analog/digital) convertor is integrated inside the microcontroller module; the input terminal of the A/D convertor is connected with a signal time division multiplex circuit; the input terminal of the signal time division multiplex circuit is connected with a signal conditioning circuit module; the input terminal of the signal conditioning circuit module is connected with a formaldehyde gas sensor, an ammonia gas sensor, a benzene gas detection sensor and a TVOC sensor; the output terminal of the microcontroller module is connected with a battery power indicating lamp, a formaldehyde gas concentration over-limit indicating lamp, an ammonia gas concentration over-limit indicating lamp, a benzene gas concentration over-limit indicating lamp and a TVOC concentration over-limit indicating lamp. The portable indoor air quality detector is simple to operate, has strong functions, and is comprehensive in detection, high in detection efficiency, high in reliability, low in cost, and convenient for promotion.
Description
Technical field
The present invention relates to IAQ (indoor air quality) detection technique field, especially relate to a kind of Portable type room air quality detector.
Background technology
The harm of room air pollution is very large.Current people's 68% disease is all relevant with room air pollution.The death toll that the whole nation is caused by room air pollution has every year reached 11.1 ten thousand people.In 5000 leukemia children that accept for medical treatment BJ Children's Hospital, have nearly 90% relevant with house decoration.China has 50000 people dead because radon gas causes lung cancer every year.China approximately has 2,100,000 because finishing pollution causes the lethal children that die of the infection of the upper respiratory tract every year at present.In toxic and harmful, what have has a taste, and what have is tasteless, and what have also has fragranced, as benzene.It is very undistinguishable that various chemical substances mix the complicated smell presenting.Therefore, it is incorrect judging whether to pollute with smell, can't smell smell and can not say that pollution does not exist.
In prior art, want to detect IAQ (indoor air quality), need to ask professional detect and solve mechanism, use professional detecting instrument and equipment to detect, because the cost of professional detecting instrument in prior art is high, add manpower expense, the expense of one-time detection is very high, and, detecting instrument of the prior art, function is comparatively single, for example detect formaldehyde and just can only detect formaldehyde, detect benzene and just can only detect benzene, often people detect the content of formaldehyde in the newly-decorated house of a 2 bedrooms, if parlor, bedroom, dining room is all detected, will spend several thousand yuan, expense is high, and detect not comprehensive.
Summary of the invention
Technical matters to be solved by this invention is for above-mentioned deficiency of the prior art, a kind of Portable type room air quality detector is provided, and its present invention is simple in structure, reasonable in design, simple to operate, powerful, detect comprehensively, detection efficiency is high, with a high credibility, cheap, result of use is good, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of Portable type room air quality detector, it is characterized in that: comprise micro controller module and the rechargeable battery for each electricity consumption module for power supply in determining instrument of indoor air quality, and the data memory module and the touch LCD screen that join with micro controller module, the output terminal of described rechargeable battery is connected to battery power detection circuit module, the output terminal of described battery power detection circuit module and the input end of described micro controller module join, described micro controller module inside is integrated with A/D converter, the input end of described A/D converter is connected to signal time-sharing multiplex circuit, the input end of described signal time-sharing multiplex circuit is connected to for signal being amplified and the signal conditioning circuit module of filtering processing, the input end of described signal conditioning circuit module is connected to the formaldehyde gas sensor for the concentration of formaldehyde in indoor air gas is detected, for the ammonia gas sensor that the concentration of room air ammonia is entered to detect, for the concentration of Indoor Air Benzene gas is entered to the benzene gas detecting sensor of detection and the TVOC sensor for the concentration of Volatile Organic Compounds in Indoor Air TVOC is detected, the output terminal of described micro controller module is connected to battery electric quantity pilot lamp, the formaldehyde gas concentration pilot lamp that transfinites, the ammonia concentration pilot lamp that transfinites, benzene gas concentration pilot lamp and the TVOC concentration pilot lamp that transfinites that transfinites.
Above-mentioned a kind of Portable type room air quality detector, is characterized in that: described micro controller module is the ultralow low-power scm in position that the inside of MSP430F42X0 series is integrated with A/D converter.
Above-mentioned a kind of Portable type room air quality detector, is characterized in that: described rechargeable battery is Li-Ion rechargeable battery.
Above-mentioned a kind of Portable type room air quality detector, is characterized in that: described battery electric quantity pilot lamp, formaldehyde gas concentration pilot lamp, ammonia concentration pilot lamp, benzene gas concentration pilot lamp and the TVOC concentration pilot lamp that transfinites that transfinites that transfinites that transfinites is LED lamp.
The present invention compared with prior art has the following advantages:
1, of the present invention simple in structure, reasonable in design, simple to operate, user only need get final product complete operation by operation touch LCD screen.
2, of the present invention powerful, can detect multiple toxic and harmful simultaneously, detect comprehensively, detection efficiency is high, with a high credibility.
3, of the present invention cheap, user need to not look for professional toxic gas detection personnel, and testing cost is cheap.
4, result of use of the present invention is good, is convenient to promote the use of.
In sum, the present invention is simple in structure, reasonable in design, simple to operate, powerful, detects comprehensively, and detection efficiency is high, with a high credibility, cheap, and result of use is good, is convenient to promote the use of.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present invention.
Description of reference numerals:
1-micro controller module; 2-rechargeable battery;
3-battery power detection circuit module; 4-signal time-sharing multiplex circuit;
5-signal conditioning circuit module; 6-formaldehyde gas sensor; 7-ammonia gas sensor;
8-benzene gas detecting sensor; 9-TVOC sensor; 10-battery electric quantity pilot lamp;
11-formaldehyde gas concentration pilot lamp that transfinites; 12-ammonia concentration pilot lamp that transfinites;
13-benzene gas concentration pilot lamp that transfinites; 14-TVOC concentration pilot lamp that transfinites;
15-data memory module; 16-touch LCD screen.
Embodiment
As shown in Figure 1, the present invention includes micro controller module 1 and the rechargeable battery 2 for each electricity consumption module for power supply in determining instrument of indoor air quality, and the data memory module 15 and the touch LCD screen 16 that join with micro controller module 1, the output terminal of described rechargeable battery 2 is connected to battery power detection circuit module 3, the input end of the output terminal of described battery power detection circuit module 3 and described micro controller module 1 joins, described micro controller module 1 inside is integrated with A/D converter, the input end of described A/D converter is connected to signal time-sharing multiplex circuit 4, the input end of described signal time-sharing multiplex circuit 4 is connected to for signal being amplified and the signal conditioning circuit module 5 of filtering processing, the input end of described signal conditioning circuit module 5 is connected to the formaldehyde gas sensor 6 for the concentration of formaldehyde in indoor air gas is detected, for the ammonia gas sensor 7 that the concentration of room air ammonia is entered to detect, for the concentration of Indoor Air Benzene gas is entered to the benzene gas detecting sensor 8 of detection and the TVOC sensor 9 for the concentration of Volatile Organic Compounds in Indoor Air TVOC is detected, the output terminal of described micro controller module 1 is connected to battery electric quantity pilot lamp 10, the formaldehyde gas concentration pilot lamp 11 that transfinites, the ammonia concentration pilot lamp 12 that transfinites, benzene gas concentration pilot lamp 13 and the TVOC concentration pilot lamp 14 that transfinites that transfinites.
As shown in Figure 1, in the present embodiment, the inside that described micro controller module 1 is MSP430F42X0 series is integrated with 16 ultralow low-power scms of A/D converter.Described rechargeable battery 2 is Li-Ion rechargeable battery.Described battery electric quantity pilot lamp 10, formaldehyde gas concentration pilot lamp 11, ammonia concentration pilot lamp 12, benzene gas concentration pilot lamp 13 and the TVOC concentration pilot lamp 14 that transfinites that transfinites that transfinites that transfinites is LED lamp.
The course of work of the present invention is: micro controller module 1 detects rechargeable battery 2 electric weight by battery power detection circuit module 3, in the time that battery electric quantity is normal, battery electric quantity pilot lamp 10 is not lighted, but when battery electric quantity is low, micro controller module 1 is controlled battery electric quantity pilot lamp 10 and is lighted, and reminding user charges to rechargeable battery 2.User is provided with the poisonous gas gentle body detecting pattern of value that transfinites by touch LCD screen 16, formaldehyde gas sensor 6 gathers the concentration data of formaldehyde in indoor air gas, the concentration data of Ammonia in Air gas in ammonia gas sensor 7 sensing chamber, benzene gas detecting sensor 8 detects the concentration data of Indoor Air Benzene gas, TVOC sensor 9 detects the concentration data of organic compound TVOC in room air, and by amplification and the filtering processing of signal conditioning circuit module 5, signal time-sharing multiplex circuit 4 acquisition times are transferred to micro controller module 1, micro controller module 1 analyzing and processing data, and store data memory module 15 into, show various gas concentration value by touch LCD screen 16 simultaneously, in the time that concentration of toxic gases transfinites, the corresponding formaldehyde gas concentration of controlling micro controller module 1 pilot lamp 11 that transfinites, the ammonia concentration pilot lamp 12 that transfinites, the benzene gas concentration pilot lamp 13 that transfinites is lighted, reminding user toxic gas exceeds standard.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every any simple modification of above embodiment being done according to the technology of the present invention essence, change and equivalent structure change, and all still belong in the protection domain of technical solution of the present invention.
Claims (4)
1. a Portable type room air quality detector, it is characterized in that: comprise micro controller module (1) and the rechargeable battery (2) for each electricity consumption module for power supply in determining instrument of indoor air quality, and the data memory module (15) and the touch LCD screen (16) that join with micro controller module (1), the output terminal of described rechargeable battery (2) is connected to battery power detection circuit module (3), the input end of the output terminal of described battery power detection circuit module (3) and described micro controller module (1) joins, described micro controller module (1) inside is integrated with A/D converter, the input end of described A/D converter is connected to signal time-sharing multiplex circuit (4), the input end of described signal time-sharing multiplex circuit (4) is connected to for signal being amplified and the signal conditioning circuit module (5) of filtering processing, the input end of described signal conditioning circuit module (5) is connected to the formaldehyde gas sensor (6) for the concentration of formaldehyde in indoor air gas is detected, for the ammonia gas sensor (7) that the concentration of room air ammonia is entered to detect, for the concentration of Indoor Air Benzene gas is entered to the benzene gas detecting sensor (8) of detection and the TVOC sensor (9) for the concentration of Volatile Organic Compounds in Indoor Air TVOC is detected, the output terminal of described micro controller module (1) is connected to battery electric quantity pilot lamp (10), the formaldehyde gas concentration pilot lamp (11) that transfinites, the ammonia concentration pilot lamp (12) that transfinites, benzene gas concentration pilot lamp (13) and the TVOC concentration pilot lamp (14) that transfinites that transfinites.
2. according to a kind of Portable type room air quality detector claimed in claim 1, it is characterized in that: the inside that described micro controller module (1) is MSP430F42X0 series is integrated with 16 ultralow low-power scms of A/D converter.
3. according to a kind of Portable type room air quality detector claimed in claim 1, it is characterized in that: described rechargeable battery (2) is Li-Ion rechargeable battery.
4. according to a kind of Portable type room air quality detector claimed in claim 1, it is characterized in that: described battery electric quantity pilot lamp (10), formaldehyde gas concentration pilot lamp (11), ammonia concentration pilot lamp (12), benzene gas concentration pilot lamp (13) and the TVOC concentration pilot lamp (14) that transfinites that transfinites that transfinites that transfinites is LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210469816.XA CN103823020A (en) | 2012-11-19 | 2012-11-19 | Portable indoor air quality detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210469816.XA CN103823020A (en) | 2012-11-19 | 2012-11-19 | Portable indoor air quality detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103823020A true CN103823020A (en) | 2014-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210469816.XA Pending CN103823020A (en) | 2012-11-19 | 2012-11-19 | Portable indoor air quality detector |
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| CN (1) | CN103823020A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569307A (en) * | 2014-12-24 | 2015-04-29 | 苏州优谱德精密仪器科技有限公司 | Gas analyzer |
| CN106053721A (en) * | 2016-05-19 | 2016-10-26 | 上海勤煊信息科技有限公司 | Portable formaldehyde concentration detection apparatus for housings |
| CN109115960A (en) * | 2018-09-21 | 2019-01-01 | 国网山东省电力公司龙口市供电公司 | A kind of portable air quality detection device |
-
2012
- 2012-11-19 CN CN201210469816.XA patent/CN103823020A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569307A (en) * | 2014-12-24 | 2015-04-29 | 苏州优谱德精密仪器科技有限公司 | Gas analyzer |
| CN106053721A (en) * | 2016-05-19 | 2016-10-26 | 上海勤煊信息科技有限公司 | Portable formaldehyde concentration detection apparatus for housings |
| CN109115960A (en) * | 2018-09-21 | 2019-01-01 | 国网山东省电力公司龙口市供电公司 | A kind of portable air quality detection device |
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Application publication date: 20140528 |