CN209447300U - Air monitoring system - Google Patents
Air monitoring system Download PDFInfo
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- CN209447300U CN209447300U CN201920273171.XU CN201920273171U CN209447300U CN 209447300 U CN209447300 U CN 209447300U CN 201920273171 U CN201920273171 U CN 201920273171U CN 209447300 U CN209447300 U CN 209447300U
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- monitoring
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- 238000004891 communication Methods 0.000 claims abstract description 17
- 239000000779 smoke Substances 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000002737 fuel gas Substances 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims description 5
- 239000004973 liquid crystal related substance Substances 0.000 claims description 2
- 239000003570 air Substances 0.000 abstract description 28
- 239000012080 ambient air Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 5
- 230000000875 corresponding Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229920002574 CR-39 Polymers 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 241000256844 Apis mellifera Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000012970 cakes Nutrition 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
Abstract
The utility model discloses a kind of air monitoring systems, include main control module, temperature and humidity sensing module, smoke monitoring module, air quality monitoring module, gsm communication module, display module, sound and light alarm module and key module.This system being capable of temperature and humidity, air monitering in real-time monitoring environment, PM2.5 content, smog and gas concentration monitoring etc., not only has warning function, also in daily household room or region ambient air monitoring function is monitored, and user's moment can be allowed to understand indoor air quality, temperature and humidity etc., to which well insecurity factor should be prevented to there are problems to cope with.
Description
Technical field
The utility model relates to a kind of air monitoring systems, especially relate to a kind of household based on GSM message function
Air monitoring system.
Background technique
With the raising of people's living standard and awareness of the importance of fire prevention, house security is increasingly taken seriously.More and more people
Begin to focus on the quality of living environment, indoor temperature and humidity, smog gas concentration, a series of environmental quality parameters such as PM2.5 just at
For the focus of people, indoor living environment air quality how is understood, and reply method is made according to corresponding design parameter
It has become under contemporary society's development, the major issue for quality of making the life better.
The development trend of country's monitoring alarm device is mainly there are two aspect at present, one is remote alarming device design,
Another kind is a variety of species detection devices and Detection Techniques, and different detectors can issue different alarm signals to reach safety
Prevention needs.Chinese utility model patent specification CN206773870U discloses a kind of house security alarm system, system packet
Anti-theft alarm unit, fire alarm unit and coal gas leakage alarming unit are included, multiple detectors have been used, different detectors issue
Difference alarm, which only has warning function, does not have daily household indoor air monitoring function, user can not when
It carves and understands indoor air quality, temperature and humidity etc., and this system cost of implementation is relatively higher.
Summary of the invention
Goal of the invention: the technical problem to be solved by the present invention is to provide a kind of air monitoring systems, can supervise in real time
Temperature and humidity, air monitering, PM2.5 content, smog and gas concentration in environment are surveyed, when a certain item design parameter index is more than threshold value
Sound-light alarm sound occurs, and sends alarm message to user, under the normal condition of not up to threshold value, which is detected
Room air items index includes temperature and humidity etc., and timing will test data and it is corresponding with reference to solution with the shape of short message
Formula is sent to resident's mobile phone, such as: humidity 80%, humidity is excessively high, it is proposed that uses the information such as the dehumidification function of air-conditioning.The utility model
By using wireless GSM communication and sensor technology, the abnormal conditions in family or in some monitoring region are sent in time
Short message makes the correct precautionary measures to remind user, with this, avoid coping with not in time and caused by controllable loss.
Technical solution: air monitoring system described in the utility model, system include:
Main control module, the whole control system, and transmission and processing with other modules of system progress data；
Temperature and humidity sensing module, connect with main control module, is used for temperature collection and humidity parameter, and parameter is transferred to master
Control module；
Smoke monitoring module, connect with main control module, for acquiring the concentration of smog and fuel gas in air, and will count
According to being transferred to main control module；
Air quality monitoring module, connect with main control module, and for acquiring the content of PM2.5 in air, data are transmitted
To main control module；
Gsm communication module is connect with main control module, is controlled by main control module and carries out short message transmission；
Display module is connect with main control module, the working condition for each module of display system；
Sound and light alarm module is connect with main control module, includes LED light and buzzer, for when an abnormal situation occurs
With light and sound prompting user；
Key module is connect with main control module, and user passes through by temperature and humidity sensing module, smoke monitoring described in key control
The working condition of module, air quality monitoring module and gsm communication module.
Further, the main control module is STC89C52 chip.
Further, the temperature and humidity sensing module is DHT11 digital hygro sensor.
Further, the smoke monitoring module includes MQ-2 smokescope sensor and ADC0832 analog-to-digital conversion
Chip.
Further, the air quality monitoring module includes GP2Y1010AU0F dust sensor and ADC0832
Modulus conversion chip.
Further, the gsm communication module is TC35i communication module.
Further, the display module is LCD12864 LCD MODULE.
Further, the key module includes 4 keys.
The utility model has the advantages that this system can temperature and humidity, air monitering in real-time monitoring environment, PM2.5 content, smog and coal gas
Concentration monitor etc. not only has warning function, and there are also in daily household room or monitor region ambient air monitoring function, and energy
User's moment is enough allowed to understand indoor air quality, temperature and humidity etc., this system compares other advantages of the prior art also:
(1) at low cost, stability is good, and device volume is small, and function expansibility is high, can be needed to add different function according to client
It can module；
(2) using TC35i as short message transmitting terminal, strong antijamming capability while, also has farther away transmission range；
(3) data acquisition uses MQ-2 smokescope sensor, DHT11 Temperature Humidity Sensor, GP2Y1010AU0F dust
Sensor, real-time accuracy are higher；
(4) pass through short message and reflect living environment situation and specific reply solution in real time, be conducive to guide user to certainly
The maintenance of body living environment, with more the social value of reality.
Detailed description of the invention
Fig. 1 is the overall structure figure of this system；
Fig. 2 is main control module circuit connection diagram；
Fig. 3 is MQ-2 smokescope sensor circuit connection figure；
Fig. 4 is DHT11 digital hygro sensor circuit connection diagram；
Fig. 5 is GP2Y1010AU0F dust sensor circuit connection diagram；
Fig. 6 is LCD12864 LCD MODULE circuit connection diagram；
Fig. 7 is analog-to-digital conversion module ADC0832 chip circuit connection figure；
Fig. 8 is sound and light alarm module operating circuit connection figure；
Fig. 9 is key module operating circuit connection figure；
Figure 10 is gsm communication module TC35i circuit connection diagram.
Specific embodiment
As shown in Figure 1, this system mainly includes main control module, temperature and humidity sensing module, smoke monitoring module, air quality
Monitoring modular, gsm communication module, display module, sound and light alarm module and key module, specific device used in the examples have
STC89C52 single chip, DHT11 digital hygro sensor, MQ-2 smokescope sensor, GP2Y1010AU0F dust sensing
Device, LCD12864 display module, ADC0832 D/A converter module, LED light, buzzer and TC35I communication module etc..System
In the function mainly realized have fire monitoring, the air quality of the monitoring of fuel gas and home life environment, temperature-humidity monitoring,
GSM text message alarm is constructed using wireless communication data module TC35i as communicating circuit main devices, by single-chip microcontroller
STC89C52 chip, LCD12864 liquid crystal display, DHT11 Temperature Humidity Sensor, MQ-2 smoke sensor device, PM2.5 monitor mould
Block combines, and realizes temperature and humidity and air quality and smog and gas concentration etc. in real-time monitoring family.Each device is specific
Connection type is as follows:
Using STC89C52 chip as main control module, this chip is had low this system using classical MCS-51 kernel
Power consumption, high performance advantage, chip have the pin of 40 outsides.Circuit connection diagram is as shown in Fig. 2, wherein single-chip minimum system
It is power circuit, clock circuit, reset circuit respectively including three parts.40 pins, 31 pins of single-chip microcontroller connect at work+
5V power supply, 20 pins connect power ground.Single-chip microcontroller needs clock circuit to generate clock signal, 19 pins and 18 pins difference when working
It connects on two pins of crystal oscillator, then each pin respectively connects a trimmer again, and the other end is grounded jointly.9 pins are
RST resets input pin, and after single-chip microcontroller is started to work, clock circuit is also started to work, when 2 machine cycles occurs in RST pin
When the above high level, system will automatically reset.There are also key hand-reset modes for the reset mode of this chip, specific to connect
Mode is also embodied in upper figure, and when pressing the button, the end RST high level occurs to make monolithic processor resetting.
MQ-2 smoke sensor device is analog output sensor, its working principle is to monitor environment to be measured using sensor
The concentration of middle gas, by the way that the concentration of smog and fuel gas in the air monitored is converted formation voltage signal, this electricity
Pressure signal is exactly the analog quantity that sensor directly generates, and the analog quantity of generation is then transferred to A/D conversion circuit, thus by mould
Analog quantity is transmitted further to single-chip microcontroller after being converted into digital quantity, and then single-chip microcontroller is responsible for realizing the work such as data processing.MQ-2 smog passes
Sensor exactly relies on it that can detect this function of smokescope in environment, so as to realize fire disasters protection.Its work connection electricity
The pin of sensor when accessing operating circuit, is met 5V respectively as shown in figure 3, MQ-2 smoke sensor device shares 4 pins by road
Positive pole, power cathode, analog quantity voltage output end.It is internal without ADC module since selected device is analog output,
So external also need external ADC module to carry out analog-to-digital conversion.AO analog voltage output end is connected to the 3rd pin of ADC0832
CH1 realizes analog-to-digital conversion when work.
DHT11 digital hygro sensor is a temperature and humidity compound sensor containing the output of calibrated digital signal,
The module application dedicated digital module humiture collection technology and Temperature Humidity Sensor technology, therefore module may be implemented together
When two environmental parameters of temperature collection and humidity, so that it is guaranteed that Module Reliability is high, the superior advantage of performance steady in a long-term.Its
For work connection circuit as shown in figure 4, DHT11 sensor shares 4 pins, pin 1 is VDD power pins, connection 3-5.5V electricity
Source；2nd pin is the monobus of DATA pin and module, is responsible for serial data, is connected to 24 pins of single-chip microcontroller；3rd draws
Foot is NC sky foot and the 4th pin is that GND foot is grounded jointly.
Air quality monitoring module use GP2Y1010AU0F dust sensor, work connect circuit as shown in figure 5,
Dust sensor needs external 150 ohm of resistance, the capacitor of 220uF and triode when working.S-GND, LED-GND and
VCC is separately connected GND and 5V power supply, and the resistance that V-LED connects 150 ohm is connected to again on 5V power supply, V-LED and LED-GND difference
The capacitor positive and negative anodes of 220uF are connected to, VO is data output end, is connected to the 2nd pin CH0 of digital-to-analogue conversion ADC0832 module, single
35 pin of piece machine connects a 1K ohm of resistance and is connected to transistor base again, and transistor collector connects the end LED.When circuit works,
Single-chip microcontroller amplifies the LED of driving sensor internal by triode.
The display module of this system is mainly used to show the working condition of each sensor and TC35I, using LCD12864.
Its included Chinese word library, has 4/8 parallel-by-bits, 2 lines or the serial multiple interfaces mode of 3 lines, internal to contain national standard level-one, two
The dot-matrix lcd module of grade simplified form of Chinese Character character library.Module display resolution is 128 × 64,8192 built in inside
16*16 point Chinese character and 128 16*8 point ascii character-sets.LCD12864 work connection circuit is as shown in Figure 6.
Analog-to-digital conversion module uses ADC0832, it is a kind of 8 and gradually compares cake core, there is 8 bit resolutions, binary channels
A/D conversion chip.Can directly it be connected with single-chip data line, it is as shown in Figure 7 that ADC0832 chip operation connects circuit.
The circuit diagram of sound and light alarm module includes LED light and bee as shown in figure 8, eye-catching in order to have the function that
Ring device two parts composition, and buzzer uses passive buzzer.It is single when the value that sensor monitors reaches the threshold value set
Piece machine issues alarm command, realizes that LED light flashing, buzzer warning are abnormal to remind in user room, abnormal conditions include fire,
Fuel gas leakage, humidity are excessively high.
The circuit diagram of key module as shown in figure 9, key circuit module has 4 keys, each key respectively with single-chip microcontroller
The P10 of governor circuit, P11, P12, P13 pin are connected, and realize control temperature humidity sensor module, MQ-2 smog sensing respectively
Device module, dust sensor module, the working condition of GSM SMS module realize the work of respective modules and the two kinds of shapes that do not work
The switching of state.
Communication module uses TC35i communication module, which is a kind of technical grade gsm module, shares 40 pins, pin
Connector ZIF (zero resistance socket) all draws this 40 pins.In general, 40 pins, which are drawn, is divided into five portions
Point, it is respectively: power supply, data input/output, SIM card, audio interface and control.Wherein SIM card part pin is in this module
Be it is important, TC35i module realizes the transmission of short message by using external SIM card.As shown in Figure 10, TC35i
Pin 1,2 connects the P30 and P31 of single-chip microcontroller, 3 pins ground connection respectively.
The software section that this system is related to can be used C language and be write, can be to each for different user demands
Module and system function are developed in detail.The system operation main program first step is to carry out system initialization, Ge Gechuan to hardware
Sensor starts to carry out the acquisition and processing of data, and controls TC35i communication module, display module and sound-light alarm.This is
For system program mainly based on circulation, continual monitoring always simultaneously judges the smokescope, temperature and humidity, fuel gas of ambient enviroment
Concentration.
The system being capable of temperature and humidity, air monitering, PM2.5 content, smog and coal in real-time monitoring environment when specifically practical
Gas concentration, when a certain item design parameter index is more than that sound-light alarm sound occurs for threshold value, and to user's transmission alarm message, is not reaching
To under the normal condition of threshold value, it includes temperature and humidity etc. which, which detects room air items index, and timing will test
Data and it is corresponding resident's mobile phone is sent in the form of short message with reference to solution, such as: humidity 80%, humidity is excessively high, builds
View uses the information such as the dehumidification function of air-conditioning.
Claims (8)
1. a kind of air monitoring system, which is characterized in that system includes:
Main control module, the whole control system, and transmission and processing with other modules of system progress data；
Temperature and humidity sensing module, connect with main control module, is used for temperature collection and humidity parameter, and parameter is transferred to master control mould
Block；
Smoke monitoring module, connect with main control module, passes for acquiring the concentration of smog and fuel gas in air, and by data
It is defeated by main control module；
Air quality monitoring module, connect with main control module, for acquiring the content of PM2.5 in air, transfers data to master
Control module；
Gsm communication module is connect with main control module, is controlled by main control module and carries out short message transmission；
Display module is connect with main control module, the working condition for each module of display system；
Sound and light alarm module is connect with main control module, includes LED light and buzzer, for using lamp when an abnormal situation occurs
Light and sound prompting user；
Key module is connect with main control module, and user passes through by temperature and humidity sensing module, smoke monitoring mould described in key control
The working condition of block, air quality monitoring module and gsm communication module.
2. air monitoring system according to claim 1, it is characterised in that: the main control module is STC89C52 core
Piece.
3. air monitoring system according to claim 1, it is characterised in that: the temperature and humidity sensing module is DHT11
Digital hygro sensor.
4. air monitoring system according to claim 1, it is characterised in that: the smoke monitoring module includes MQ-2
Smokescope sensor and ADC0832 modulus conversion chip.
5. air monitoring system according to claim 1, it is characterised in that: the air quality monitoring module includes
GP2Y1010AU0F dust sensor and ADC0832 modulus conversion chip.
6. air monitoring system according to claim 1, it is characterised in that: the gsm communication module is TC35i communication
Module.
7. air monitoring system according to claim 1, it is characterised in that: the display module is LCD12864 liquid crystal
Display module.
8. air monitoring system according to claim 1, it is characterised in that: the key module includes 4 keys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920273171.XU CN209447300U (en) | 2019-03-05 | 2019-03-05 | Air monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920273171.XU CN209447300U (en) | 2019-03-05 | 2019-03-05 | Air monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209447300U true CN209447300U (en) | 2019-09-27 |
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ID=68033760
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|---|---|---|---|
| CN201920273171.XU Active CN209447300U (en) | 2019-03-05 | 2019-03-05 | Air monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209447300U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697972A (en) * | 2020-12-12 | 2021-04-23 | 上海电机学院 | Indoor air monitor and using method |
-
2019
- 2019-03-05 CN CN201920273171.XU patent/CN209447300U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697972A (en) * | 2020-12-12 | 2021-04-23 | 上海电机学院 | Indoor air monitor and using method |
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