CN203100771U - Indoor environment monitoring apparatus - Google Patents
Indoor environment monitoring apparatus Download PDFInfo
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- CN203100771U CN203100771U CN 201220669172 CN201220669172U CN203100771U CN 203100771 U CN203100771 U CN 203100771U CN 201220669172 CN201220669172 CN 201220669172 CN 201220669172 U CN201220669172 U CN 201220669172U CN 203100771 U CN203100771 U CN 203100771U
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- indoor environment
- environment monitoring
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- monitoring device
- sensor
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Abstract
The utility model discloses an indoor environment monitoring apparatus. The apparatus comprises a formaldehyde sensor, an amplification module, an infrared sensing module, an A/D conversion module, a processor, an alarm, a display and a humiture sensor, wherein the formaldehyde sensor and the infrared sensing module are connected with the amplification module, the amplification module is sequentially connected with the A/D conversion module and the processor, output ends of the processor are connected with the alarm and the display, and the humiture sensor is connected with the processor. According to the utility model, sensors are used for monitoring indoor air quality in real time, collected information is transmitted to a single-chip microcomputer for processing and displayed, and if the atmospheric safety quality is substandard, the user is warmed by the alarm to take measures. The apparatus has the advantages of simple structure, good integration and high intelligence, providing safe and reliable atmospheric environment for users.
Description
Technical field
The present invention relates to the indoor environment field tests, relate in particular to a kind of indoor environment monitoring device.
Background technology
In recent years, along with the raising of expanding economy and living standards of the people, people are more and more higher to the requirement of indoor environment.But because the increase of harmful gas in the restriction of decoration technology and the atmosphere, to people's the healthy tremendous influence that caused.Carbon monoxide and carbon dioxide are the principal ingredients that causes IAQ (indoor air quality) to descend, and the carbon monoxide of Long contact time low concentration can cause slow poisoning, though carbon dioxide is a non-toxic gas, the too high meeting of gas concentration lwevel causes symptoms such as dizzy tinnitus.Formaldehyde all can produce spread effect to eye, larynx, the upper respiratory tract and skin, and excessive formaldehyde gas can cause various diseases, also may bring out cancer.Room air pollution has a strong impact on people's quality of life, causes having with room air pollution the appearance of all kinds of diseases of direct relation.
Summary of the invention
The purpose of this utility model is, a kind of multi-functional, low-power consumption, intelligentized indoor environment monitoring device are provided, and realizes temperature, humidity, CO, CO to indoor environment
2, HC gas and formaldehyde monitoring and demonstration, and at CO, CO
2, start when HC gas and concentration of formaldehyde surpass limit value and report to the police.
In order to realize above-mentioned task, the present invention adopts following technical solution to be achieved:
A kind of indoor environment monitoring device, comprise formaldehyde sensor, amplification module, infrared sensing module, AD modular converter, processor, alarm, display and Temperature Humidity Sensor, wherein, formaldehyde sensor is connected with amplification module respectively with the infrared sensing module, amplification module is connected with processor successively with the AD modular converter, the output terminal of processor connects alarm and display respectively, Temperature Humidity Sensor connection processing device.
Other technologies characteristics of the present utility model:
Described formaldehyde sensor adopts the CH20/S-10 sensor.
Described infrared sensing module comprises infrared light supply and infrared eye, and described infrared light supply adopts the IRL715R infrared light supply, and described infrared eye adopts TPS4339 four-way pyroelectric infrared detector.
Described amplification module comprises amplifier, and described amplifier adopts the LT1077 amplifier.
Described AD modular converter comprises converter, and described converter adopts the AD7689 converter.
Described processor adopting Atmega16L single-chip microcomputer.
Described display adopts the LCD LCD.
Described alarm adopts hummer.
Described Temperature Humidity Sensor adopts the DHT11 sensor.
The utility model utilizes sensor to monitor IAQ (indoor air quality) in real time, and the information that collects is sent to shows in real time after single-chip microcomputer is handled, and when the air-safety quality dissatisfaction, reminds the user to take measures by alarm.This apparatus structure is simple, and integration is good, and intelligent degree height can provide safe and reliable air quality environment for the user.
Description of drawings
Fig. 1 is an annexation synoptic diagram of the present utility model.
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment
As shown in Figure 1, a kind of indoor environment monitoring device based on technical solutions of the utility model, comprise formaldehyde sensor, amplification module, infrared sensing module, AD modular converter, processor, alarm, display and Temperature Humidity Sensor, wherein, formaldehyde sensor is connected with amplification module respectively with the infrared sensing module, amplification module is connected with processor successively with the AD modular converter, and the output terminal of processor connects alarm and display respectively, warm and humid biography degree sensor connection processing device.
In the utility model, single-chip microcomputer adopts the Atmega16L single-chip microcomputer, and it comprises 8 AVR microprocessors of high-performance, low-power consumption, advanced risc architecture, erasable 10,000 times of the EEPROM of 512 bytes, four-way PWM, 8 tunnel 10 ADC.
Temperature Humidity Sensor adopts the DHT11 sensor, and adopts unibus to carry out communication, the about 4ms of once complete data communication between the processor.The Temperature and Relative Humidity of Indoor Air information via amplifier that Temperature Humidity Sensor DHT11 is gathered, AD conversion back input single-chip microcomputer are handled.
The infrared sensing module comprises infrared light supply and infrared eye, and described infrared light supply adopts the IRL715R infrared light supply, and described infrared eye adopts TPS4339 four-way pyroelectric infrared detector.Utilize the Difference Absorption detection technique of infrared sensor, the infrared light that infrared light supply sends passes CO, CO
2, arrive the four-way thermopile IR detector behind the HC gas, the light signal that detection is obtained converts the voltage signal that can detect to through AD, by amplifying and AD conversion back is imported Chip Microcomputer A tmega16L and handled.
Formaldehyde sensor adopts the CH20/S-10 sensor, the signal of gathering is given AD converter after amplifying, converter is a digital signal with analog signal conversion, by the SPI serial communication interface data is sent into Atmega16L computing and processing then, obtains the concentration value of formaldehyde in the environment.
Amplification module adopt the LT1077 amplifier to sensor acquisition to signal amplify, the AD modular converter adopt the AD7689 converter with sensor acquisition to conversion of signals be the manageable signal of single-chip microcomputer, flow to single-chip microcomputer and handle.
Work engineering of the present utility model: infrared sensing module and formaldehyde sensor are with CO, CO in the detected air
2, HC and formaldehyde gas concentration information amplify, be input in the single-chip microcomputer after the AD conversion and handle through amplifier, Temperature Humidity Sensor passes to single-chip microcomputer with current humiture information.Single-chip microcomputer to information processing after with CO, CO
2, HC, formaldehyde gas concentration and humiture situation show in real time by the LCD LCD, if CO, CO
2, HC and formaldehyde gas concentration surpasses preset threshold, then sends alerting signal by alarm, reminds the user in time to take measures.
The electronic devices and components that the utility model adopts are known product, and those skilled in the art are according to the i.e. concrete connected mode of electronic devices and components as can be known of the technical solution of the utility model.
Claims (9)
1. indoor environment monitoring device, it is characterized in that, comprise formaldehyde sensor, amplification module, infrared sensing module, AD modular converter, processor, alarm, display and Temperature Humidity Sensor, wherein, formaldehyde sensor is connected with amplification module respectively with the infrared sensing module, amplification module is connected with processor successively with the AD modular converter, and the output terminal of processor connects alarm and display respectively, Temperature Humidity Sensor connection processing device.
2. indoor environment monitoring device as claimed in claim 1 is characterized in that, described formaldehyde sensor adopts the CH20/S-10 sensor.
3. indoor environment monitoring device as claimed in claim 1, it is characterized in that, described infrared sensing module comprises infrared light supply and infrared eye, and described infrared light supply adopts the IRL715R infrared light supply, and described infrared eye adopts TPS4339 four-way pyroelectric infrared detector.
4. indoor environment monitoring device as claimed in claim 1 is characterized in that described amplification module comprises amplifier, and described amplifier adopts the LT1077 amplifier.
5. indoor environment monitoring device as claimed in claim 1 is characterized in that, described AD modular converter comprises converter, and described converter adopts the AD7689 converter.
6. indoor environment monitoring device as claimed in claim 1 is characterized in that, described processor adopting Atmega16L single-chip microcomputer.
7. indoor environment monitoring device as claimed in claim 1 is characterized in that, described display adopts the LCD LCD.
8. indoor environment monitoring device as claimed in claim 1 is characterized in that, described alarm adopts hummer.
9. indoor environment monitoring device as claimed in claim 1 is characterized in that, described Temperature Humidity Sensor adopts the DHT11 sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220669172 CN203100771U (en) | 2012-12-06 | 2012-12-06 | Indoor environment monitoring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220669172 CN203100771U (en) | 2012-12-06 | 2012-12-06 | Indoor environment monitoring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203100771U true CN203100771U (en) | 2013-07-31 |
Family
ID=48852165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220669172 Expired - Fee Related CN203100771U (en) | 2012-12-06 | 2012-12-06 | Indoor environment monitoring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203100771U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107045042A (en) * | 2017-02-28 | 2017-08-15 | 福建中金在线信息科技有限公司 | A kind of air detection method and device |
| CN107300604A (en) * | 2017-06-29 | 2017-10-27 | 亿信标准认证集团四川有限公司 | A kind of formaldehyde detecting devices on interior |
| CN108064332A (en) * | 2017-11-09 | 2018-05-22 | 苏州迪维勒普信息科技有限公司 | A kind of indoor environment monitoring system |
| CN109030747A (en) * | 2018-08-30 | 2018-12-18 | 武汉欣叶电子科技有限公司 | A kind of device and detection method of continuous detection air quality |
-
2012
- 2012-12-06 CN CN 201220669172 patent/CN203100771U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107045042A (en) * | 2017-02-28 | 2017-08-15 | 福建中金在线信息科技有限公司 | A kind of air detection method and device |
| CN107300604A (en) * | 2017-06-29 | 2017-10-27 | 亿信标准认证集团四川有限公司 | A kind of formaldehyde detecting devices on interior |
| CN108064332A (en) * | 2017-11-09 | 2018-05-22 | 苏州迪维勒普信息科技有限公司 | A kind of indoor environment monitoring system |
| CN109030747A (en) * | 2018-08-30 | 2018-12-18 | 武汉欣叶电子科技有限公司 | A kind of device and detection method of continuous detection air quality |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20131206 |