CN105183044A - Indoor and outdoor environment monitoring and control system - Google Patents
Indoor and outdoor environment monitoring and control system Download PDFInfo
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- CN105183044A CN105183044A CN201410269928.XA CN201410269928A CN105183044A CN 105183044 A CN105183044 A CN 105183044A CN 201410269928 A CN201410269928 A CN 201410269928A CN 105183044 A CN105183044 A CN 105183044A
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Abstract
Provided is an indoor and outdoor environment monitoring and control system. The system comprises a one-chip microcomputer, a gas monitoring module, a raindrop monitoring module, a temperature and humidity monitoring module and a display module. The gas monitoring module comprises an MQ9 combustible gas sensor, a blower fan and an MQ135 harmful gas sensor. The temperature and humidity monitoring module comprises a temperature and humidity sensor and an air-conditioning remote controller. The raindrop monitoring module employs a raindrop sensor. The input port of the one-chip microcomputer receives signals sent from the raindrop sensor, the MQ9 combustible gas sensor, the MQ135 harmful gas sensor and the temperature and humidity sensor. The output port of the one-chip microcomputer is connected with the blower fan, the air-conditioning remote controller and the display module. The system can achieve real-time monitoring, display and alarm processing of indoor temperature and humidity, combustible gases, harmful gases such as benzene, ammonia and the like, and has outdoor overcast rainy condition monitoring display and going-out prompting functions. The system is advantages of low cost, small power consumption and simple operation.
Description
Technical field:
The invention belongs to a kind of environment monitoring equipment, particularly a kind of indoor and outdoor surroundings Monitoring and control system.
Background technology:
In modern live and work, people roughly can spend the time of 80% ~ 90% of whole day to spend in indoor environment, can say that 2/3rds life times of a people are relevant with indoor environment, therefore the indoor environment of a good quality brings huge benefit can to the healthy of people.As everyone knows, the generation of the 18 Century European industrial revolution, although promoted the progress of scientific and technological civilization, has made people experienced by " coal-smoke pollution " also.19th century started, United States Automobile Industry fast development, result in a large amount of uses of oil, thus " photochemical pollution " that cause causes very large harm to the existence health of people again, and in the life of modern, " indoor environmental pollution " is becoming third time pollution.For this reason, it is maximum that people are classified as indoor environmental pollution as harm, affects the darkest environmental factor, solves pollution of indoor environment very urgent.Meanwhile, along with the raising of people's living standard and the development of advanced science and technology, " indoor comfortable system " this concept is with regard to the sight line entering common people gradually.So-called indoor comfortable system, be the environmental protection equipment that people apply modern advanced science and technology, scientific payoffs and advanced person, the home equipment Integrated Solution of main employing system, in the mode of environmental protection and energy saving, improves the level of comfort of people's life from many aspects; Thus make indoor comfortable system meet three large key elements of comfortable life, meet the multinomial requirement [1] of World Health Organization (WHO) WHO about healthy residence standard.This concept the earliest last century the seventies by the U.S., Canadian international environment expert propose.In brief, it praises highly healthy, comfortable, environmental protection, energy-conservation life idea, makes indoor life comfort level that one can be had comprehensively to promote.
In indoor design in the past, the consideration for indoor environment is often confined to indoor decorative appearance, causes the decoration that people too emphasize aspects such as the layout of the interior space and tones, and always have ignored the key factor that some act on people.Exactly because the consideration for Indoor Environmental Design is only confined to above-mentioned decorative appearance scope, ignore other such as room ventilations simultaneously, room air safe mass, human body sensing humiture internal consistency of general comforts etc. affect larger factor for indoor living environment, thus cause the indoor environment of present most of buildings to have magnificent decorative appearance on foot, and there is no high-quality living environment quality, more seriously because various luxurious finishing brings the indoor pollution problems such as multiple volatile toxic and harmful material that ornament materials volatilizes, as formaldehyde, vinyl chloride, the carcinogens such as dimethylbenzene, make the pollution of indoor environment more serious, easily cause various disease on the contrary, great harm is brought to the health of people.The time of modern about 80% ~ 90% is spent in indoor, the serious health that must have influence on human body of quality of indoor air environment quality.So, consider the survival and development of people at indoor physiological health, we must focus on the quality of indoor environment, but the consideration being only limited to indoor crowd's physiological health is again far from being enough, we also will focus on the physical and mental health of people further, for people provide one comfortable, safety, health, the living environment of sunlight.
American-European countries generally has stronger environmental consciousness, not only does well in outdoor environment process, and there has also been in the protection of indoor environment and develop widely.The U.S. once proposed this concept of indoor environment system, architectural environment engineering science and Systematical control are combined, the independence laying particular emphasis on humiture in interior architecture design controls, and sets up the Trinitarian systems engineering of the temperature of an indoor environment, humidity and air quality.21st century, comfortable house system is first from being introduced into China abroad, and from then on, the design of indoor environmental condition control system also starts to produce.
The design of control system is inseparable with sensing technology, growing along with sensing technology, and control system is also more and more improved and progressive.In 2009, a digital hygro sensor SHT21 that most advanced volume is minimum in the world that was known as at that time has been born, and this sensor not only precision is relatively good, reaction velocity very fast after induction, even if be also not easy oxidation under the erosion of moisture, cause market extensive concern.And the DHT11 digital temperature-humidity sensor of Ye Youaosong company at home, have remarkable long-time stability, the transmission range of its signal is longer, and than low especially other sensors in energy consumption, cost performance is very high.
In gas sensor, external sensing technology is very advanced, and development is very fast, although domestic gas sensor sensor develops faster through using for reference and having had after imitated external technology, still has larger gap with advanced foreign technology.Current existing gap is two aspects.One is in the serviceability of sensor, the obvious insufficient sensitivity of domestic sensor, and the data detected are accurate not, and power consumption is comparatively large, and performance is not high, deficient in stability.Second is integrated aspect, external senser element is more domestic, the outstanding sensor of major part all achieves the integrated of element and application circuit, effectively embody Multifunctional effect, E-Device Inc. as the U.S. embeds microprocessor in the sensor, makes gas sensor have the function of automatic calibration control and fault monitoring.And domestic components and parts are more single and independent, lack multi-functional.
Summary of the invention:
Object of the present invention is just to provide a kind of indoor and outdoor surroundings Monitoring and control system, this system effectively can not only detect the toxic and harmful of indoor, timely solution removing and harmful gas is to the harm of people, solve indoor environmental pollution, Based Intelligent Control can also regulate indoor comfort level, meet the requirement of people to the comfortable life of health.
As above conceive, technical scheme of the present invention is: a kind of indoor and outdoor surroundings Monitoring and control system, is characterized in that: comprise single-chip microcomputer, gas-monitoring module, raindrop monitoring modular, temperature-humidity monitoring module and display module; Gas-monitoring module comprises MQ9 combustible gas gas sensor, blower fan and MQ135 harmful gas sensor; Temperature-humidity monitoring module comprises Temperature Humidity Sensor and air-conditioning remote control; Raindrop monitoring modular adopts Raindrop sensor; The input port of single-chip microcomputer receives the signal that Raindrop sensor, MQ9 combustible gas gas sensor, MQ135 harmful gas sensor and Temperature Humidity Sensor send, and the output port of single-chip microcomputer is connected with blower fan, air-conditioning remote control and display module.
Above-mentioned single-chip microcomputer adopts HT66FU50 single-chip microcomputer.
Above-mentioned display module adopts LCD1602.
Above-mentioned Temperature Humidity Sensor adopts DHT11 digital hygro sensor.
Above-mentioned Raindrop sensor adopts the Raindrop sensor of YL-83.
The present invention has following advantage and good effect;
1, the present invention can carry out real-time monitoring to the gas of indoor, once the combustible hazardous gas concentration of indoor exceeds standard, when namely reaching default warning concentration, system sends alerting signal immediately, start linkage simultaneously, the accident that utilize blower fan air draft and ventilation, avoid suffocating, anthracemia etc. jeopardizes personal safety occurs to prevent indoor environmental pollution.
2, emphasis of the present invention considers indoor comfort level.For human body, humiture is the comparatively directly influence factor of human perception external environment, and therefore scientific and reasonable control humiture effectively can improve the comfortableness of indoor environment.Set rational warm and humid angle value, after being detected by Temperature Humidity Sensor, by Infrared Ray Remote Control Technology, coordinated signals air-conditioning remote control, controls air-conditioning and reaches setting value.According to the hobby of different crowd, multiple indoor intelligent temperature and humidity pattern can also be set.
3, the present invention can also detect outdoor raindrop, and to the display of the overcast and rainy situation in outdoor in LCD display, subsidiary raining reminds band umbrella function simultaneously, thus effectively for people's trip of going out provides information accurately.
Accompanying drawing illustrates:
Fig. 1 is theory diagram of the present invention;
Fig. 2 is master routine operational flow diagram of the present invention;
Fig. 3 is humiture process flow diagram of the present invention;
Fig. 4 is raindrop of the present invention monitoring process flow diagram;
Fig. 5 is gas-monitoring process flow diagram of the present invention;
Fig. 6 is LCD flow for displaying figure of the present invention.
Embodiment:
As shown in Figure 1: a kind of indoor and outdoor surroundings Monitoring and control system, be made up of single-chip microcomputer, gas-monitoring module, raindrop monitoring modular, temperature-humidity monitoring module and display module.Gas-monitoring module comprises MQ9 combustible gas gas sensor, blower fan and MQ135 harmful gas sensor; Temperature-humidity monitoring module comprises Temperature Humidity Sensor and air-conditioning remote control; Raindrop monitoring modular adopts Raindrop sensor; The input port of single-chip microcomputer receives the signal that Raindrop sensor, MQ9 combustible gas gas sensor, MQ135 harmful gas sensor and Temperature Humidity Sensor send, and the output port of single-chip microcomputer is connected with blower fan, air-conditioning remote control and display module.
Above-mentioned single-chip microcomputer adopts HT66FU50 single-chip microcomputer.HT66FU50 single-chip microcomputer is a 8 High Performance SCMs with multi-channel a/d converter.The flash storage of this single-chip microcomputer can provide the programming of nearly up to ten thousand times to user, can debug easily flexibly.Except flash storage, single-chip microcomputer inside further comprises a RAM data-carrier store and an eeprom memory.Data-carrier store is used to store 8 RAM internal storages of ephemeral data, and built-in eeprom memory is for the data space extending ROM single chip application person, single-chip microcomputer is had more application.And the reading and writing data of eeprom memory is convenient, have again non-volatile storage organization characteristic, performance is very outstanding.
Meanwhile, because HT66FU50 single-chip microcomputer has multiple timer module, an inner WatchDog Timer, complete system oscillator, and include UART module etc., to have made it possess a series of other function and characteristic.This single-chip microcomputer not only can provide timing function, pulses generation function and PWM to produce function, and inside has the defencive function such as low-voltage reset and low voltage test, adds the reliability of single-chip microcomputer.For optimizing the operation of single-chip microcomputer, the built-in holonomic system oscillator of HT66FU50 single-chip microcomputer, decreasing peripheral device, thus reducing the power consumption of self.For outer member, the inside UART module of this single-chip microcomputer and SPI and I2C function, make single-chip microcomputer not only easily communicate to connect with outside hardware device, and and other single-chip microcomputers between also can data communication even and between some PCs, network connection.
HT66FU50 single-chip microcomputer is the one in HT66FUx0 series monolithic.
HT66FU50 single-chip microcomputer has following characteristics: operating voltage 2.2V to 5.5V; 8K*16 bytes Flash program storage is supported in wire system ISP100000 erase-write cycles; 384*8 byte RAM data storing; 256*8 byte EEPROM reservoir; The A/D converter of 8 Channel 12-Bit resolving accuracies; Full duplex UART serial port; 34 programmable I/O mouths; 3 10 bit timings/counters and 1 16 bit timings/counter; 2 external interrupt; Low-voltage reset measuring ability; House dog timing function.
First, HT66FU50 supports ISP online programming, and this makes production and safeguards more convenient.Secondly, HT66FU50 inside adds WatchDog Timer in sheet, and this, by being conducive to the application system protecting user, improves system reliability.Just because of HT66FU50 single-chip microcomputer adds the function of high reliability, security, so the distortion aspect of energy signal plays well avoid effect, and single-chip microcomputer stable operation in the situations such as electromagnetic interference (EMI) can be guaranteed.Therefore, the Monitoring and Controlling using it as indoor and outdoor surroundings can meet the requirement such as Real-Time Monitoring, sound and light alarm completely.And from the angle of chip cost, HT66FU50 not only hardware configuration is simple, perfect in shape and function, and cheap, can be regarded as cost performance higher in the single-chip microcomputer that a few money is commonly used, therefore this design adopts HT66FU50 single-chip microcomputer as core controller.
MQ-9 combustible gas gas sensor is a gas sensor that can effectively detect inflammable gas.First, MQ-9 sensor has good identification to different types of inflammable gas, can identify the gas with various such as carbon monoxide, liquefied gas, rock gas.It is higher as the remolding sensitivity of gas sensor to gas concentration, effectively can detect the concentration of inflammable gas.Generally be applied to the detection of the inflammable gass such as the carbon monoxide of home environment.And due to the inductive material of MQ-9 type gas sensor be made up of the tin dioxide material that stability is higher, its outstanding Long Service Life and reliable stability, make its many to inflammable gas than more sensitive environment under be widely used.
MQ-135 harmful gas sensor is a gas sensor that can effectively detect toxic and harmful.After general indoor furniture has been fitted up, indoor all can remain a large amount of ammonias, gaseous aldehyde and benzene hydrocarbon gase, and this kind of gas is all poisonous and hazardous, and is serious carcinogen.And MQ-135 gas sensor has very high sensitivity to these dusty gass, and also there is good monitoring effect to the objectionable impurities such as smog, dust.For this reason, the air pollution being often applied to indoor environment is reported to the police.In addition, the cost of this sensor is low, good stability, operating period are longer, is regarded as the sensor that a cost performance is higher.
Above-mentioned Temperature Humidity Sensor adopts DHT11 digital hygro sensor.DHT11 digital hygro sensor is the sensor of a humiture compound.Digital module acquisition technique is have employed unlike it with other Temperature Humidity Sensors, signal is exported by digital signal, does not need complicated digital-to-analog conversion, integrates digital collection and sensing technology, the form of unibus serial line interface, what system was showed in integration is very fast simple and easy.The volume of DHT11 sensor is little, low in energy consumption, has stronger antijamming capability, what also show in stability is very outstanding, and its cost performance is high, be suitable as the temperature-humidity monitoring element of indoor heating system, adopt this Temperature Humidity Sensor to detect indoor temperature and humidity for this reason.
Above-mentioned Raindrop sensor adopts the Raindrop sensor of YL-83.This Raindrop sensor have employed the large-area double-side material of high-quality, and its surface is coated with oxidation resistant nicr layer, more outstanding in electric conductivity, and has outstanding long-time serviceable life, and performance is very superior; Having in the sensor of its inside with comparer, processing signals that can be good, export complete waveform, have stronger driving force, can also, according to the sensitivity of joining potentiometer adjustment sensor, be the sensor of a desirable detection rainfall size.
The operating voltage of this sensor is 5V, and its AO modulating output mouth is connected with the AD mouth of single-chip microcomputer, drips superincumbent rainfall size for detecting.And the sensitivity of sensor regulates by potentiometer.Simultaneously due to useful signal has can Direct driver relay, the driving force of hummer etc., make us can carry out Function Extension to Raindrop sensor, not only can overcast and rainy situation outside sensing chamber, understand the size of rainfall, even can also produce interlock effect, rain once outdoor, just can starter motor, automatic close window, effectively prevents rain leakage.
Above-mentioned display module adopts LCD1602, the features such as this display module has high-quality display effect, digital interface, volume little Yi installs, the little cost of power consumption is low, the state of inflammable gas, toxic and harmful can be shown respectively, overcast and rainy situation and indoor warm and humid angle value.
Software for Design of the present invention:
Master routine operational flow diagram as shown in Figure 2.As can be seen from program flow diagram, the major function that software will realize is the selection by keystroke pattern, the various environment of monitoring indoor and outdoor, and pattern 0 is the humiture of monitoring indoor, pattern 1 is the overcast and rainy situation outside sensing chamber, and pattern 2 is whether the poisonous or inflammable gas in sensing chamber exceeds standard.After program starts, single-chip microcomputer HT66FU50 carries out initialization, and after time delay, 1602 display screens also carry out initialization, and whether then system constantly detects has button to press, once find that button starts next step program, ensure that real-time display monitoring effect.
In order to make program structure simple and clear, facilitating other people to read and write and revising, when program design is write, adopting modular design, whole system program is divided into four subsystems: humiture subsystem, raindrop subsystem, gas subsystem and display subsystem.
1, humiture subsystem (as shown in Figure 3)
When single-chip microcomputer will read humiture data, main frame can send commencing signal, after time delay a period of time, DHT11 Temperature Humidity Sensor feedback response signal, and start the data acquisition of humiture, send to single-chip microcomputer simultaneously, after single-chip microcomputer accepts end data signal, humiture data are sent to display screen, and the warm and humid angle value in display room, realizes the real time monitoring function to indoor temperature and humidity.
2, raindrop subsystem (as shown in Figure 4)
Raindrop sensor is positioned in outdoor, when outdoor is the rainy day, rainy when dropping onto on Raindrop sensor, there is signal to single-chip microcomputer in sensor, single-chip microcomputer sends data-signal to 1602 display screens at once, display rainy day state, single-chip microcomputer starts linkage simultaneously, drive motor, closes window, avoids rain leakage.If outdoor is fine day, single-chip microcomputer just sends a signal to LCDs, the state of display fine day.
3, gas subsystem (as shown in Figure 5)
Gas detect part have employed two sensor, MQ-9 combustible gas sensor and MQ-135 harmful gas sensor.By the adjustment of sensitivity, the concentration threshold that setting harmful gas and inflammable gas exceed standard, when sensor detects that inflammable gas or harmful gas concentration exceed the threshold value of setting, sends a signal to single-chip microcomputer, single-chip microcomputer starts reports to the police, and makes fan linkage play row's wind action.If all situations are normal, just show normal condition by LCDs.
4, display subsystem (as shown in Figure 6)
The design's display used is LCD1602 liquid crystal panel, and this liquid crystal always has two row, and often row can show 16 characters, and whole liquid crystal display can show 32 characters, meets display requirement.Because 1602 liquid crystal and single-chip microcomputer are that parallel port communicates, by single-chip microcomputer _ pb6, _ pc1, _ pb5 pin control 1602 the command functions that reads and writes data, single-chip microcomputer _ pe port transmission data show to 1602.When waiting for after system electrification that single-chip microcomputer initialization terminates, LCD initialization starts to carry out, and after initialization, first determines according to sequential the address needing display, then transfers data to and specify display address, LCD display realizes the function of display data.
Claims (5)
1. an indoor and outdoor surroundings Monitoring and control system, is characterized in that: comprise single-chip microcomputer, gas-monitoring module, raindrop monitoring modular, temperature-humidity monitoring module and display module; Gas-monitoring module comprises MQ9 combustible gas gas sensor, blower fan and MQ135 harmful gas sensor; Temperature-humidity monitoring module comprises Temperature Humidity Sensor and air-conditioning remote control; Raindrop monitoring modular adopts Raindrop sensor; The input port of single-chip microcomputer receives the signal that Raindrop sensor, MQ9 combustible gas gas sensor, MQ135 harmful gas sensor and Temperature Humidity Sensor send, and the output port of single-chip microcomputer is connected with blower fan, air-conditioning remote control and display module.
2. indoor and outdoor surroundings Monitoring and control system according to claim 1, is characterized in that: above-mentioned single-chip microcomputer adopts HT66FU50 single-chip microcomputer.
3. indoor and outdoor surroundings Monitoring and control system according to claim 1, is characterized in that: above-mentioned display module adopts LCD1602.
4. indoor and outdoor surroundings Monitoring and control system according to claim 1, is characterized in that: above-mentioned Temperature Humidity Sensor adopts DHT11 digital hygro sensor.
5. indoor and outdoor surroundings Monitoring and control system according to claim 1, is characterized in that: above-mentioned Raindrop sensor adopts the Raindrop sensor of YL-83.
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| CN201410269928.XA CN105183044A (en) | 2014-06-17 | 2014-06-17 | Indoor and outdoor environment monitoring and control system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226209A (en) * | 2016-07-27 | 2016-12-14 | 广东美的制冷设备有限公司 | A kind of room air dust particle concentration detection method, system and household electrical appliance |
| CN107842927A (en) * | 2017-11-30 | 2018-03-27 | 苏州经贸职业技术学院 | A kind of intelligent building ventilating system based on MQ 135 |
| CN111398534A (en) * | 2020-04-13 | 2020-07-10 | 金创建设集团有限公司 | Indoor outer decoration and finishing engineering environmental protection monitoring devices |
| CN114152285A (en) * | 2021-11-30 | 2022-03-08 | 惠州视维新技术有限公司 | Environment monitoring device and method |
-
2014
- 2014-06-17 CN CN201410269928.XA patent/CN105183044A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226209A (en) * | 2016-07-27 | 2016-12-14 | 广东美的制冷设备有限公司 | A kind of room air dust particle concentration detection method, system and household electrical appliance |
| CN106226209B (en) * | 2016-07-27 | 2019-05-31 | 广东美的制冷设备有限公司 | A kind of room air dust particle concentration detection method, system and household electrical appliance |
| CN107842927A (en) * | 2017-11-30 | 2018-03-27 | 苏州经贸职业技术学院 | A kind of intelligent building ventilating system based on MQ 135 |
| CN111398534A (en) * | 2020-04-13 | 2020-07-10 | 金创建设集团有限公司 | Indoor outer decoration and finishing engineering environmental protection monitoring devices |
| CN114152285A (en) * | 2021-11-30 | 2022-03-08 | 惠州视维新技术有限公司 | Environment monitoring device and method |
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