CN204008393U - A kind of PM2.5 detection system for mobile phone - Google Patents
A kind of PM2.5 detection system for mobile phone Download PDFInfo
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- CN204008393U CN204008393U CN201420425695.3U CN201420425695U CN204008393U CN 204008393 U CN204008393 U CN 204008393U CN 201420425695 U CN201420425695 U CN 201420425695U CN 204008393 U CN204008393 U CN 204008393U
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Abstract
The utility model provides a kind of PM2.5 detection system for mobile phone, and described system comprises detection module, single-chip microcomputer analog-to-digital conversion module, audio data transmission module, iPhone mobile phone display module, and described detection module comprises dust sensor; Described detection module imports the dust data message of detection into described single-chip microcomputer analog-to-digital conversion module and carries out analog to digital conversion, then send in the audio port of described iPhone mobile phone display module by described audio data transmission module with the form of pulse, described iPhone mobile phone display module is exported the value of PM2.5 according to the length of pulse, and shows.The utility model not only can meet user and detect in real time the demand of PM2.5, more can use and more stablize cheap audio interface and carry out the transmission of data, not only can accurately obtain at an easy rate fast the numerical value of local PM2.5, more can accomplish plug and play, there is very high stability and convenience.
Description
Technical field
The utility model relates to PM2.5 detection technique field, more specifically relates to a kind of PM2.5 detection system for mobile phone.
Background technology
The current air pollution problems inherent of China is serious, especially long-term high PM2.5 index.But nowadays the monitoring point of PM2.5 in each city is very few, make people more difficult to researching and analysing of PM2.5.Nowadays ready-made PM2.5 detection website cost is more expensive, and travelling performance is poor, has hindered the collection of people to PM2.5 index; In life, people cannot directly obtain indoor PM2.5 index easily.
Utility model content
(1) technical matters that will solve
How in real time, conveniently, at an easy rate the technical problems to be solved in the utility model is to obtain the on-site PM2.5 index of people.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of PM2.5 detection system for mobile phone, described system comprises detection module, single-chip microcomputer analog-to-digital conversion module, audio data transmission module, iPhone mobile phone display module, and described detection module comprises dust sensor; Described detection module imports the dust data message of detection into described single-chip microcomputer analog-to-digital conversion module and carries out analog to digital conversion, then send in the audio port of described iPhone mobile phone display module by described audio data transmission module with the form of pulse, described iPhone mobile phone display module is exported the value of PM2.5 according to the length of pulse, and shows.
Preferably, described dust sensor is the miniature dust sensor of Sharp GP2Y10.
Preferably, the single-chip microcomputer of described single-chip microcomputer analog-to-digital conversion module carries out analog to digital conversion according to described detection module electric signal that pin transmits.
Preferably, the resistance of connecting on the output terminal circuit of described single-chip microcomputer, is used for reducing the input voltage of iPhone mobile phone display module, and between the output line of described single-chip microcomputer and ground wire, a resistance in parallel, plays shunting action.
Preferably, the single-chip microcomputer model of described single-chip microcomputer analog-to-digital conversion module is Arduino UNOR3.
Preferably, described audio data transmission module comprises 3.5mm tetra-section audio interface male and tone frequency channel wires.
Preferably, described 3.5mm tetra-section audio interface males meet CTIA standard or OMTP standard.
(3) beneficial effect
The utility model provides a kind of PM2.5 detection system for mobile phone, the utility model not only can meet user and detect in real time the demand of PM2.5, more can use and more stablize cheap audio interface and carry out the transmission of data, not only can accurately obtain at an easy rate fast the numerical value of local PM2.5, more can accomplish plug and play, there is very high stability and convenience, detect PM2.5 for user provides a kind of cheap method of reliable and stable convenience, have broad prospects.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of PM2.5 detection system for mobile phone of a preferred embodiment of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.Following examples are used for illustrating the utility model, but can not be used for limiting scope of the present utility model.
Fig. 1 is the structural representation of a kind of PM2.5 detection system for mobile phone of a preferred embodiment of the present utility model; Described system comprises detection module 4, single-chip microcomputer analog-to-digital conversion module 3, audio data transmission module 2, iPhone mobile phone display module 1, and described detection module 4 comprises the miniature dust sensor of Sharp GP2Y10,150 Ω resistance, 220 μ F electric capacity; On described miniature dust sensor, have six pins, connect the needed circuit that comprises electric capacity and resistance according to the document of Sharp GP2Y10.
Described detection module imports the dust data message of detection into described single-chip microcomputer analog-to-digital conversion module and carries out analog to digital conversion, then send in the audio port of described iPhone mobile phone display module by described audio data transmission module with the form of pulse, described iPhone mobile phone display module is exported the value of PM2.5 according to the length of pulse, and shows.
The single-chip microcomputer of described single-chip microcomputer analog-to-digital conversion module carries out analog to digital conversion according to the electric signal transmitting in described detection module pin, then by the pulse output of corresponding length; The single-chip microcomputer model of described single-chip microcomputer analog-to-digital conversion module is Arduino UNO R3.The output terminal circuit of described single-chip microcomputer needs the parallel connection resistance of connecting again in addition, to reduce voltage and current, in order to avoid occur that the phenomenon of overvoltage or overcurrent makes iPhone mobile phone display module cannot read parameter, be specially the resistance of connecting on the output terminal circuit of described single-chip microcomputer, be used for reducing the input voltage of iPhone mobile phone display module, between the output line of described single-chip microcomputer and ground wire, a resistance in parallel, plays shunting action.
Described audio data transmission module comprises and meets 3.5mm tetra-section audio interface male and the tone frequency channel wires CTIA of mobile communications industry association standard or open mobile-terminal platform OMTP standard.
Described iPhone mobile phone display module is to be the smart mobile phone of researching and developing under the American apple house flag taking Steve Qiao Busi as front first executive officer, comprises the iPhone of compatible iOS5.0 and above version mobile phone operating system.Described iPhone mobile phone display module embedded software, can send out the pulse signal of characteristic frequency to the single-chip microcomputer of single-chip microcomputer analog-to-digital conversion module from audio port, after single-chip microcomputer detects signal, send detection signal to detection module, the signal detecting is uploaded to described single-chip microcomputer by the sensor of detection module; Single-chip microcomputer can read the electric signal that sensor is exported in a pin from sensor, described electric signal is directly proportional to local PM2.5 index, single-chip microcomputer carries out analog to digital conversion after reading the electric signal of sensor, and by the pulse output of corresponding length, in corresponding one section of the microphone of pin of single-chip microcomputer output pulse to four section audio mouth, read for iPhone mobile phone display module.The embedded software of described iPhone mobile phone display module reads the decibel number of degrees of microphone in audio port, and decibel is greater than certain value and represents that single-chip microcomputer is in output pulse; The embedded software of described iPhone mobile phone display module records the length of each pulse, and the value of corresponding output PM2.5 concentration, on described iPhone mobile phone display module, shows.
Above embodiment is only for the utility model is described, but not to restriction of the present utility model.Although the utility model is had been described in detail with reference to embodiment, those of ordinary skill in the art is to be understood that, the technical solution of the utility model is carried out to various combinations, revises or is equal to replacement, do not depart from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of claim scope of the present utility model.
Claims (7)
1. for a PM2.5 detection system for mobile phone, it is characterized in that, described system comprises detection module, single-chip microcomputer analog-to-digital conversion module, audio data transmission module, iPhone mobile phone display module, and described detection module comprises dust sensor; Described detection module imports the dust data message of detection into described single-chip microcomputer analog-to-digital conversion module and carries out analog to digital conversion, then send in the audio port of described iPhone mobile phone display module by described audio data transmission module with the form of pulse, described iPhone mobile phone display module is exported the value of PM2.5 according to the length of pulse, and shows.
2. a kind of PM2.5 detection system for mobile phone according to claim 1, is characterized in that, described dust sensor is the miniature dust sensor of Sharp GP2Y10.
3. a kind of PM2.5 detection system for mobile phone according to claim 1 and 2, is characterized in that, the single-chip microcomputer of described single-chip microcomputer analog-to-digital conversion module carries out analog to digital conversion according to described detection module electric signal that pin transmits.
4. a kind of PM2.5 detection system for mobile phone according to claim 3, it is characterized in that, the resistance of connecting on the output terminal circuit of described single-chip microcomputer, be used for reducing the input voltage of iPhone mobile phone display module, between the output line of described single-chip microcomputer and ground wire, a resistance in parallel, plays shunting action.
5. a kind of PM2.5 detection system for mobile phone according to claim 4, is characterized in that, the single-chip microcomputer model of described single-chip microcomputer analog-to-digital conversion module is Arduino UNO R3.
6. a kind of PM2.5 detection system for mobile phone according to claim 1, is characterized in that, described audio data transmission module comprises 3.5mm tetra-section audio interface male and tone frequency channel wires.
7. a kind of PM2.5 detection system for mobile phone according to claim 6, is characterized in that, described 3.5mm tetra-section audio interface males meet CTIA standard or OMTP standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420425695.3U CN204008393U (en) | 2014-07-25 | 2014-07-25 | A kind of PM2.5 detection system for mobile phone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420425695.3U CN204008393U (en) | 2014-07-25 | 2014-07-25 | A kind of PM2.5 detection system for mobile phone |
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| CN204008393U true CN204008393U (en) | 2014-12-10 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502247A (en) * | 2014-12-24 | 2015-04-08 | 上海斐讯数据通信技术有限公司 | Air quality detection system based on mobile terminal and detection method |
| CN104614295A (en) * | 2015-03-04 | 2015-05-13 | 郑波 | Method and system for detecting air pollution indexes according to mobile terminal |
| CN104749963A (en) * | 2015-03-16 | 2015-07-01 | 盐城市科成光电科技有限公司 | Multifunctional habitable room energy conservation inspection instrument based on smart mobile phone and inspection method thereof |
| CN104777773A (en) * | 2015-01-26 | 2015-07-15 | 杭州师范大学 | Sensing device based on audio interface and data transmission method |
| WO2017166729A1 (en) * | 2016-03-29 | 2017-10-05 | 北京小米移动软件有限公司 | Plug-in-type air quality detector, control method and control circuit |
| CN109324151A (en) * | 2018-09-17 | 2019-02-12 | 沈阳大学 | A kind of menu mode can flexibility function configuration indoor air quality wireless monitoring terminal |
-
2014
- 2014-07-25 CN CN201420425695.3U patent/CN204008393U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502247A (en) * | 2014-12-24 | 2015-04-08 | 上海斐讯数据通信技术有限公司 | Air quality detection system based on mobile terminal and detection method |
| CN104777773A (en) * | 2015-01-26 | 2015-07-15 | 杭州师范大学 | Sensing device based on audio interface and data transmission method |
| CN104614295A (en) * | 2015-03-04 | 2015-05-13 | 郑波 | Method and system for detecting air pollution indexes according to mobile terminal |
| CN104749963A (en) * | 2015-03-16 | 2015-07-01 | 盐城市科成光电科技有限公司 | Multifunctional habitable room energy conservation inspection instrument based on smart mobile phone and inspection method thereof |
| WO2017166729A1 (en) * | 2016-03-29 | 2017-10-05 | 北京小米移动软件有限公司 | Plug-in-type air quality detector, control method and control circuit |
| US10386274B2 (en) | 2016-03-29 | 2019-08-20 | Beijing Xiaomi Mobile Software Co., Ltd. | Plug-in air quality detector, control method and control device |
| CN109324151A (en) * | 2018-09-17 | 2019-02-12 | 沈阳大学 | A kind of menu mode can flexibility function configuration indoor air quality wireless monitoring terminal |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20190725 |
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| CF01 | Termination of patent right due to non-payment of annual fee |