CN203849235U - Formaldehyde detector based on wifi - Google Patents
Formaldehyde detector based on wifi Download PDFInfo
- Publication number
- CN203849235U CN203849235U CN201420135888.5U CN201420135888U CN203849235U CN 203849235 U CN203849235 U CN 203849235U CN 201420135888 U CN201420135888 U CN 201420135888U CN 203849235 U CN203849235 U CN 203849235U
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- formaldehyde
- sensor
- control circuit
- heating
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Abstract
The utility model discloses a formaldehyde detector based on wifi. The formaldehyde detector comprises a singlechip, a formaldehyde sensor, a temperature sensor, a humidity sensor, a signal processing circuit, a heating and lighting control circuit, a sound and light alarm circuit and a wireless wifi communication module, wherein the formaldehyde sensor, the temperature sensor and the humidity sensor are connected to the singlechip through the signal processing circuit; the temperature sensor is arranged on the formaldehyde sensor; the singlechip is connected to the input end of the heating and lighting control circuit; the output end of the heating and lighting control circuit is connected to the formaldehyde sensor; the singlechip is connected to the sound and light alarm circuit; the singlechip is further in communication with a mobile phone terminal through the wireless wifi communication module. According to the formaldehyde detector disclosed by the utility model, formaldehyde is collected through the formaldehyde sensor which is excited by ultraviolet light excitation at the heating temperature being 75 DEG C, the sensitivity is high, the collection effect is good, users can observe formaldehyde concentration indoors conveniently and timely, and the cost is low, the popularization is convenient and the application prospect is good.
Description
Technical field
The utility model relates to the formaldehyde detector based on wifi, belongs to energy-saving illumination technical field.
Background technology
Formaldehyde is a kind of toxic gas, and it is extensively present in home decoration material, is endangering the healthy of people, and therefore the monitoring for formaldehyde seems particularly important.Along with the development of technology, the monitoring of formaldehyde is mainly towards real-time response, simplified control, low-power consumption, low-cost future development.At present, domestic also have some to make the instrument about Formaldehyde, and they adopt external electrochemical sensor, but cost is higher, and, can only show in real time, can not long-rangely notify in time user.
Utility model content
The purpose of this utility model is that cost is higher, can not the long-range problem of notifying in time user in order to overcome the instrument of existing aldehyde monitoring.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of formaldehyde detector based on wifi, it is characterized in that: comprise single-chip microcomputer, formaldehyde sensor, temperature sensor, humidity sensor, signal conditioning circuit, add light control circuit, sound light alarming circuit and wireless wifi communication module, described formaldehyde sensor, temperature sensor, humidity sensor is connected with single-chip microcomputer by signal conditioning circuit, described temperature sensor is arranged on formaldehyde sensor, described single-chip microcomputer is connected with the input end that adds light control circuit, the output terminal that described heating adds light control circuit is connected with formaldehyde sensor, described single-chip microcomputer is connected with sound light alarming circuit, described single-chip microcomputer also communicates by wireless wifi communication module and mobile phone terminal.
The aforesaid formaldehyde detector based on wifi, is characterized in that: described formaldehyde sensor is TiO2 gas sensitive material sensor.
3, the formaldehyde detector based on wifi according to claim 1, is characterized in that: described heating adds that light control circuit is output as ultraviolet excitation, heating-up temperature is 75 ℃.
The beneficial effects of the utility model are: the formaldehyde detector based on wifi of the present utility model, adopt ultraviolet excitation, heating-up temperature to be 75 ℃ and to excite formaldehyde sensor to carry out formaldehyde collection, susceptibility is high, collection effect is good, and by wireless wifi communication module, data message and mobile phone terminal are communicated, facilitating the concentration of formaldehyde in the timely observation ward of user, cost is low, be convenient to promote, have a good application prospect.
Accompanying drawing explanation
Fig. 1 is the system chart of the formaldehyde detector based on wifi of the present utility model.
Embodiment
Below in conjunction with Figure of description, the utility model is described in further detail.Following examples are only for the technical solution of the utility model is more clearly described, and can not limit protection domain of the present utility model with this.
As shown in Figure 1, formaldehyde detector based on wifi, comprise single-chip microcomputer, formaldehyde sensor, temperature sensor, humidity sensor, signal conditioning circuit, add light control circuit, sound light alarming circuit and wireless wifi communication module, described formaldehyde sensor, temperature sensor, humidity sensor is connected with single-chip microcomputer by signal conditioning circuit, described temperature sensor is arranged on formaldehyde sensor, temperature that can Real-Time Monitoring formaldehyde sensor, be controlled on constant temperature, described single-chip microcomputer is connected with the input end that adds light control circuit, the output terminal that described heating adds light control circuit is connected with formaldehyde sensor, described single-chip microcomputer is connected with sound light alarming circuit, when concentration of formaldehyde surpasses health value, can send sound and light alarm reminding user, take reasonable measure and protect, described single-chip microcomputer also communicates by wireless wifi communication module and mobile phone terminal, facilitate the concentration of formaldehyde in the timely observation ward of user.
Described formaldehyde sensor is TiO2 gas sensitive material sensor, the features such as, response time highly sensitive to organic gas fast (≤10s), easily production in enormous quantities, low price;
The utility model adds light control circuit control heating-up temperature by heating and is controlled at respectively 25 ℃, 50 ℃, 75 ℃, 100 ℃, 125 ℃ five different temperature, and under the condition of ultraviolet excitation, 100ppm formaldehyde has been carried out to sensitivity test, found that, the in the situation that of ultraviolet excitation, the susceptibility of our Formaldehyde device is maximum 75 ℃ time, reached 1802.03, therefore, add that light control circuit is output as ultraviolet excitation, heating-up temperature is 75 ℃, the temperature of controlling formaldehyde sensor by temperature sensor remains on 75 ℃.
In sum, formaldehyde detector based on wifi of the present utility model, adopt ultraviolet excitation, heating-up temperature to be 75 ℃ and to excite formaldehyde sensor to carry out formaldehyde collection, susceptibility is high, and collection effect is good, and by wireless wifi communication module, data message and mobile phone terminal is communicated, facilitate the concentration of formaldehyde in the timely observation ward of user, cost is low, is convenient to promote, and has a good application prospect.
More than show and described ultimate principle of the present utility model, principal character and advantage.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. the formaldehyde detector based on wifi, it is characterized in that: comprise single-chip microcomputer, formaldehyde sensor, temperature sensor, humidity sensor, signal conditioning circuit, add light control circuit, sound light alarming circuit and wireless wifi communication module, described formaldehyde sensor, temperature sensor, humidity sensor is connected with single-chip microcomputer by signal conditioning circuit, described temperature sensor is arranged on formaldehyde sensor, described single-chip microcomputer is connected with the input end that adds light control circuit, the output terminal that described heating adds light control circuit is connected with formaldehyde sensor, described single-chip microcomputer is connected with sound light alarming circuit, described single-chip microcomputer also communicates by wireless wifi communication module and mobile phone terminal.
2. the formaldehyde detector based on wifi according to claim 1, is characterized in that: described formaldehyde sensor is TiO2 gas sensitive material sensor.
3. the formaldehyde detector based on wifi according to claim 1, is characterized in that: described heating adds that light control circuit is output as ultraviolet excitation, heating-up temperature is 75 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420135888.5U CN203849235U (en) | 2014-03-24 | 2014-03-24 | Formaldehyde detector based on wifi |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420135888.5U CN203849235U (en) | 2014-03-24 | 2014-03-24 | Formaldehyde detector based on wifi |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203849235U true CN203849235U (en) | 2014-09-24 |
Family
ID=51562236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420135888.5U Expired - Fee Related CN203849235U (en) | 2014-03-24 | 2014-03-24 | Formaldehyde detector based on wifi |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203849235U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226356A (en) * | 2016-08-16 | 2016-12-14 | 成都市和平科技有限责任公司 | A kind of Intelligent indoor formaldehyde gas detecting system and method |
-
2014
- 2014-03-24 CN CN201420135888.5U patent/CN203849235U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226356A (en) * | 2016-08-16 | 2016-12-14 | 成都市和平科技有限责任公司 | A kind of Intelligent indoor formaldehyde gas detecting system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140924 Termination date: 20150324 |
|
| EXPY | Termination of patent right or utility model |