CN105933432A - Home indoor air quality monitoring method and system based on internet of things - Google Patents
Home indoor air quality monitoring method and system based on internet of things Download PDFInfo
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- CN105933432A CN105933432A CN201610395397.8A CN201610395397A CN105933432A CN 105933432 A CN105933432 A CN 105933432A CN 201610395397 A CN201610395397 A CN 201610395397A CN 105933432 A CN105933432 A CN 105933432A
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- 238000013461 design Methods 0.000 claims description 10
- 239000000779 smoke Substances 0.000 claims description 10
- 238000004378 air conditioning Methods 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 5
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- 239000007789 gas Substances 0.000 description 12
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- 230000008569 process Effects 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
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- 239000003034 coal gas Substances 0.000 description 2
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- 230000036541 health Effects 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/22—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks comprising specially adapted graphical user interfaces [GUI]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
- H04N21/43635—HDMI
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Multimedia (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a home indoor air quality monitoring method and system based on an internet of things. According to the system, through close combination of smart home, air parameters are monitored, after the monitored data is analyzed, home electronic appliances such as an air conditioner, an air purifier and a kitchen ventilator, can be smartly controlled, and the smart degree of the system is improved well. The system comprises an indoor air quality monitoring network module and a real time monitoring feedback module. The function of the indoor air quality monitoring network module is monitoring indoor air quality parameters in real time and providing data for a PC end, a television end and a mobile phone end to display the monitored air quality information. The function of the real time monitoring feedback module is checking indoor air quality real time conditions and receiving an alarm. The PC end and the mobile terminal end can analyze the monitored data and then smartly control the home electronic appliances such as the air conditioner, the air purifier and the kitchen ventilator.
Description
Technical field
The present invention relates to a kind of household indoor air quality monitoring method and system based on Internet of Things, belong to embedded system
Design, Internet of Things and the technical field of Smart Home.
Background technology
In recent years, environmental pollution is day by day serious, has had become as the economic development of restriction China and the daily life of the people
Major issue.Wherein, air pollution is closely bound up with everyone, especially the emphasis of social concerns.Contrast environmental administration
The outdoor air pollution index in each city that every day all can be issued, room air pollution is the most out in the cold.Room air is dirty
Dye refers to owing in the room air that a variety of causes causes, harmful substance exceeds standard, and then affects the indoor environment of health
Pollution behavior.Nuisance includes particulate matter, formaldehyde, benzene, ammonia etc..Along with pollution level is aggravated, people knows from experience generation Asia
Healthy reaction even threatens life security, is one of harm being increasingly subject to attention.Recent according to Tsing-Hua University
The result of the first room air pollution public good investigation report issued shows, " Beijing room air has the time of 1/3 to be in
" polluting " grade, the suction volume of indoor PM2.5 is outdoor 4 times per capita, and the air quality of office is wanted than in family
Good, air purifier etc. has significantly effect.
Existing air-quality monitoring systems etc. focus on that Outdoor Air Quality is monitored, it is contemplated that indoor air quality issues
And few.Even if there being those to be known as indoor air quality monitoring team, detection technique specification the most not to the utmost, it is impossible to obtain
The relevant execution standard of country, individual is for IAQ (indoor air quality) detection by country's relevant laws and regulations uncertainly.In addition,
The detection of existing IAQ (indoor air quality) has poor real, needs Portable device to carry out realizing, operating complexity, and place adapts to
Property poor, poor expandability low with intelligent management system compatibility, testing cost is high, detection data temporary etc.
Problem.And the air quality detection function that " air purifier " carries, have again that investigative range is limited, detection accuracy not
High and wait deficiency to the operational analysis ability of result of detection is weak.
The ways and means of cost-effective air pollution monitoring is lacked at present in the middle of indoor furniture environment.Such as people ten
Point PM2.5 paid close attention to, the monitoring point limited amount of environmental administration and all in outdoor, the what state of indoor then without thus
Know.The escaping gases such as the formaldehyde that comes out in the furniture newly bought, newly-decorated new house, benzene are in the middle of household
A big primary pollution source, be the arch-criminal producing a lot of malignant diseases, people can only invite environmental protection under normal circumstances
The professional person of department uses special instrument to measure, and wastes time and energy expensive, more importantly to own health
Worry.For another example for smog alarm when kitchen fume and fire, although the high-grade community of part has been equipped with cigarette at present
Fog siren, but misrepresent deliberately due to often occur in the middle of actually used, report by mistake and installation site is improper and setting makes
" chicken ribs " often it is treated as by problems such as inconvenience.
Summary of the invention
Present invention aim at solving above-mentioned the deficiencies in the prior art, it is provided that household IAQ (indoor air quality) based on Internet of Things
Monitoring method and system, this system is combined closely Smart Home, not only realizes the monitoring to air parameter, and can be right
Surveyed data realize the Based Intelligent Control to household electrical appliances such as air-conditioning, air purifier, smoke exhaust ventilators after being analyzed, well
Improve the intelligence degree of system.
Method flow:
Step 1: first build indoor air quality monitoring network based on technology of Internet of things, by circuit design by terminal
Sensing node be attached to relevant sensor, arrange the sensing of several terminals according to the difference in indoor room
Node, each sensing node therein be owned by unique No. ID for identifying, simultaneously arrange a gateway node undertake
The foundation of network and convergence.
Step 2: build the gateway node of PC end for receiving feedback data, intends independently writing PC end and can use software code,
Then with the docking of gateway node, visualized graph interface is presented at PC end to user.Several functions it are divided on interface
Logotype.Manager and user can be by selecting reception data and analytic function on graphical interfaces, it is achieved to gateway
The reception of data that node is collected also upload the data to network, classifies air parameter data and Treatment Analysis.
Threshold function can also be set by selection and limit the warning function of startup PC end monitoring software.
Step 3: build the real-time monitoring of mobile terminal based on Andriod platform, enterprising at the mobile phone of every user
Row is installed, by with the docking of air quality monitoring network network module, the real-time monitoring to IAQ (indoor air quality), receiving
Based on after the data that gateway node transmits, by this software, user can show that instant air quality color alerts simulation drawing is real
Reality time monitoring, then by exceed predetermined threshold warning user, make user's self judgment whether carry out operation realize right
The regulation of IAQ (indoor air quality) controls.
Step 4: building the real-time monitoring for television, user just can be square after the HDMI of gateway is connected TV
Just monitoring information is understood quickly, thus avoids the undue dependence to WLAN and computer.
Step 5: gateway node initially sets up Star Network, each sensing node passes through the detection being connected after completing networking
The sensor of air parameter gathers signal according to the time interval specified, subsequently by signal by amplification, analog to digital conversion etc.
Obtain initial data after process, send the data to gateway node then according to after predefined frame format again framing.
Step 6: even being connected to the Net by WIFI by gateway node, and be connected to TV by HDMI wire, user just may be used
Utilize computer checking monitoring information by PC end monitoring system, or utilize television monitoring system to check, also may be used
Mobile terminal monitoring system is utilized conveniently to be checked by mobile phone or panel computer.If once room air
Abnormal conditions occur, user receives real-time alarm also by computer, TV or mobile phone.
Step 7: the infrared transmitter of gateway node mid-infrared signal forwarding module is arranged correct position, it is ensured that household electrical appliances can
To receive the infrared signal of forwarding smoothly.
Present invention also offers a kind of household indoor air quality monitoring system based on Internet of Things, this system includes Interior Space
Makings amount is monitored mixed-media network modules mixed-media and monitors feedback module in real time.
The function of indoor air quality monitoring mixed-media network modules mixed-media is to monitor IAQ (indoor air quality) parameter in real time, for PC end, TV
End and mobile phone terminal show that monitored air quality information provides data.
Indoor air quality monitoring mixed-media network modules mixed-media includes sensing node and gateway node.
Sensing node includes sensor assembly, controller module, wireless communication module and infrared signal forwarding module.
Sensor assembly is responsible for gathering previously described various air quality parameters.By interface circuit, these are adopted again
Collect to data pass to controller module.
Controller module is the control centre of whole system, is responsible for gathering the data of sensor assembly and being acted upon.
Wireless communication module can form self-organizing network among the nodes, on the one hand receives controller module and transmits
On the other hand data are selected suitable path to be uploaded to gateway node by self-organizing network by the data processed.
Infrared signal forwarding module connects controller module.Realize the real-time condition according to household indoor air environment and adjust
The function of the whole control to associated appliance.
Gateway node includes wireless communication module, controller module, network communication module.
Wireless communication module receives the data that sensing node is transmitted by wireless network.
Controller module receives the data that transmit of wireless communication module by serial ports, then by data after being processed by processor
It is transmitted to the network communication module being attached thereto.Additionally, controller module also can connect television set display information.
The data received from controller module are uploaded to the Internet by network communication module, finally broadcast to monitoring in real time flat
Platform.
The function of monitoring feedback module is to look at IAQ (indoor air quality) real-time condition in real time, receives alarm, PC end and movement
Terminal can realize the Based Intelligent Control to household electrical appliances such as air-conditioning, air purifier, smoke exhaust ventilators after being analyzed surveyed data.
Monitoring feedback module includes PC end monitoring system, television monitoring system and mobile terminal monitoring system in real time.
PC end monitoring system module allows user can inquire about an Indoor Air in detail in PC end design configuration user interface
The various detail parameters information of quality, and support user setup alarm threshold value, download the functions such as data.
Television monitoring system module display monitoring information on a television set.
Mobile terminal monitoring system module allows user that mobile phone or panel computer can be utilized easily and timely to be looked into by software
See relevant monitoring information.
Present system is to be combined by above-mentioned module realize indoor air quality monitoring network collection and transmit the data of coming
Carry out real-time update and display, and support the self-defined setting of user.
Beneficial effect:
1, the present invention realizes the communication between each node by wireless sensor network, it is not necessary to wiring, simple in construction, peace
Dress easy maintenance.
2, the present invention uses the solution of low-cost and high-performance, and cost performance is high.
3, the present invention uses the human oriented design from user perspective, and reasonable in design, real-time is good.User can be led to
Cross various ways and realize the monitoring to air parameter.
4, the present invention uses the thought of modularized design, and extensibility is strong, and can carry out according to the actual demand of user
Modularity is customized.
5, the present invention combines closely Smart Home, not only realizes the monitoring to air parameter, also can carry out surveyed data
Realizing the Based Intelligent Control to household electrical appliances such as air-conditioning, air purifier, smoke exhaust ventilators after analysis, the intelligence degree of system is high.
6, the present invention uses the modularity that the frame design of Internet of Things goes out, the embedded system device reality that extensibility is strong
The now on-line real time monitoring to the various air pollutants in household indoor environment, and can be saved by sensing node and gateway
Point combines, and receives interrupt request singal, utilizes operation PC and mobile phone terminal to carry out the household electrical appliances such as air-conditioning, air purifier
Based Intelligent Control realize the manual adjustment of air quality in domestic environment and utilization arranges intelligent mode and realizes automatically adjusting
Joint.
Accompanying drawing explanation
Fig. 1 is the system architecture diagram of household indoor air quality monitoring method based on Internet of Things.
Fig. 2 is the deployment diagram in kind of household indoor air quality monitoring method based on Internet of Things.
Identifier declaration: 1-represents that router, 2-represent that PC, 3-represent that mobile phone, 4-represent that TV, 5-represent air-conditioning, 6-
Representing smoke exhaust ventilator, 7-represents that ventilator, 8-represent that air purifier, 9-represent humidifier.
Fig. 3 is the method flow diagram of sensing node.
Fig. 4 is the method flow diagram of gateway node.
Detailed description of the invention
Below in conjunction with Figure of description, the invention is described in further detail.
As it is shown in figure 1, the whole monitoring system of the present invention includes two kinds of nodes, i.e. one is sensing node, and one is gateway
Node.Sensing node is by four module compositions: be respectively wireless communication module, controller module, sensor assembly and
Infrared signal forwarding module.Gateway node is made up of three modules: network communication module, controller module and channel radio
Letter module.The wireless communication module of each node sets up the Star network being applicable to domestic environment by Zigbee protocol stack
Network.
Monitoring pattern: (gateway node initializes and establishes network in such as Fig. 4.) as it is shown on figure 3, the present invention first will
Sensing node initializes Waiting Graph 4 gateway node network and sets up complete, is joined by sensing node in network, adds
After network success, in the case of there is no interrupt requests, by the various Sensor monitorings carried on sensor assembly
The change of IAQ (indoor air quality) environment, gives control by the air quality parameters of collection by the I/O oral instructions on controller
Device；Data are carried out processing and No. ID of this sensing node of labelling by controller, then data packing are issued radio communication
Module；Data are transmitted to gateway by the Star Network set up according to ZigBee wireless communication protocol by wireless communication module
Node.Now, as shown in Figure 4, while sensing node adds network, net in the case of not having interrupt requests
The wireless communication module of articulare receives the data of each sensing node by Star Network and sends controller module to；Control
Packet is analyzed by device module processed, identifies No. ID data type monitored with identification of each sensing node, the most right
Data carry out processing and by network communication module, the data processed being uploaded to wireless router, the most whole monitoring
Data be successfully uploaded to the Internet, upload cloud network after this simultaneously, terminate into high in the clouds net at PC
After network, startup is arranged on the monitor system software of PC end just can realize the real-time and complete display to Monitoring Data；Remove
Outside this, at mobile terminal, the present invention can install the real-time monitoring system of mobile terminal on mobile phone or panel computer
Software, equally realizes real time monitoring function mobile terminal and solves region restricted problem, makes the user can be remote
Distance telemonitoring；Additionally, in order to adapt to not dispose the indoor environment of the Internet, more easily show prison simultaneously
Surveying data, the controller module of gateway node connects television set also by onboard HDMI, then utilizes installation
The System Software for Real-time Monitoring video data of the television on gateway node.Another big characteristic of the present invention is, at gateway
When Node Controller processes data, it is possible to use PC or mobile terminal set the threshold value of various Monitoring Data in advance, as
Really Monitoring Data exceedes this threshold value, and data will be marked by controller module, these data can clearly PC,
Show on mobile terminal and television set.
Control model: on the basis of above-mentioned monitoring mode is properly functioning, as shown in Figure 3 and Figure 4, in PC end and shifting
In dynamic terminal during video data, once there occurs Threshold Alerts, user can pass through PC or mobile terminal to corresponding family
Electricity is controlled.PC end or mobile terminal send control signal i.e. interrupt requests, and as shown in Figure 4, this control signal connects
Enter the Internet and be forwarded to the network communication module of gateway node by wireless router；Network communication module forwards and controls
Signal is to controller.Because PC end and mobile terminal are to show respectively according to sensing node ID display of Monitoring Data
Show, so control signal is also to be marked according to corresponding No. ID；When the controller module of gateway node receives
After control signal, control signal is analyzed, after identification id number, control signal is transmitted to by wireless communication module
Corresponding sensing node.Now as it is shown on figure 3, the wireless communication module reception control signal of sensing node (is i.e. interrupted
Request occur) after be transmitted to controller module, after controller module identification data according to user requirement process data also
Infrared signal forwarding module is sent corresponding control signal；The infrared transmitter of infrared forwarding module sends the reddest
External signal realizes the control to household electrical appliances, until Monitoring Data is less than threshold level.Additionally, system can also arrange intelligence
Control model, according to the threshold value that sets in advance, make system can according to the change of environment automatically send control signal with
The state of regulation household electrical appliances.
Present system is modular, can arrange in pairs or groups flexibly according to user's request, it is contemplated that may in the middle of life staying idle at home
The various air pollutions that can run into or sudden accident, this system can provide abundant option, by available monitoring
Air quality parameters be classified as follows:
(1) comfort level monitoring: the most conventional temperature, humidity detection；
(2) dust monitoring: at present by PM2.5 and PM10 of common concern；
(3) smoke monitoring: the smog that fire produces, the oil smoke that cooking produces；
(4) escaping gas monitoring: mainly formaldehyde and benzene；
(5) liquefied gas monitoring: to liquefied gas, whether coal gas leaks is monitored；
(6) special monitoring: ammonia, hydrogen sulfide, nitrogen etc. special gas.
Present system mainly includes indoor air quality monitoring network and real-time monitoring platform two parts.Specifically retouching of the two
State as follows:
Indoor air quality monitoring network the most of the present invention includes sensing node and gateway node.
1.1) sensing node of the present invention includes following main functional module: sensor assembly, controller module,
Wireless communication module and infrared signal forwarding module.
1.1.1) sensor assembly of the present invention is responsible for gathering previously described various air quality parameters, according to
The demand at family can select several sensor, the temperature sensor in monitoring including comfort level and humidity sensor, powder
PM2.5 sensor in dirt monitoring and PM10 sensor, the Smoke Sensor in smoke monitoring, escaping gas is monitored
In formaldehyde sensor and benzene sensor, the sensor in liquefied gas monitoring, liquefied gas and coal gas monitored, and to ammonia
The sensor of the special gas monitorings such as gas, hydrogen sulfide, nitrogen.These sensor acquisition are to output voltage after data, logical
Cross after interface circuit is amplified converting with A/D and pass to controller module.
1.1.2) controller module of the present invention selects AVR single chip Atmega 168 of certain company, is whole system
The control centre of system, is responsible for gathering the data of sensor assembly and being acted upon.
1.1.3) wireless communication module of the present invention selects the CC2530 chip of TI company, by using IEEE
802.15.4 the ZigBee technology of standard, can form self-organizing network (such as mesh network, star-like among the nodes
Network and tree network).On the one hand wireless communication module is connected with controller module by serial ports, receives controller module
On the other hand data are selected suitable path to be uploaded to gateway by self-organizing network by the processed data transmitted
Node.
1.1.4) infrared signal forwarding module of the present invention connects controller module.Controller module is by control signal
It is sent to infrared signal forwarding module, translates the signals into and can recognize that infrared letter for the ordinary electrical home appliance such as air-conditioning, air purifier
Number, thus realize the real-time condition according to household indoor air environment and adjust the function of the control to associated appliance.
1.2) gateway node of the present invention includes wireless communication module, controller module, network communication module.
1.2.1) wireless communication module of the present invention still selects CC2530 chip, receives sensing joint as recipient
The data that point is transmitted by wireless network.
1.2.2) controller module of the present invention is selected and is used ARM10 to send (Raspberry as the Fructus Rubi of processor
Pi) development platform.Controller module receives, by serial ports, the data that wireless communication module transmits, afterwards through processor
Process, forward the data to the network communication module being attached thereto.Additionally, controller module is also by onboard
HDMI connects television set display information.
1.2.3) network communication module of the present invention selects WiFi RN171 network expansion board.This module has been responsible for
The data received from controller module are uploaded to the Internet by the function of Internet, finally broadcast to real-time monitoring platform.
The data that indoor air quality monitoring network collection transmission are come by real-time monitoring system the most of the present invention are carried out
Real-time update and display, and support the self-defined setting of user.Specifically include PC end monitoring system, television monitoring is
System and mobile terminal monitoring system.
2.1) PC end monitoring system of the present invention is to be write in the design of PC end by softwares such as VC or Labview
Graphic user interface.User can by PC end monitoring interface inquire about in detail household IAQ (indoor air quality) various in detail
Parameter information, and support user setup alarm threshold value, download the functions such as data.
2.2) television monitoring system of the present invention is by compiling in above-mentioned 1.2.2 middle controller module
Journey, utilizes onboard HDMI to connect television set and is monitored the display of information.
2.3) mobile terminal monitoring system of the present invention is utilize under Andriod system that JAVA language writes soft
Part.User can utilize mobile phone or panel computer easily and timely to check relevant monitoring information by software.
Present invention household based on Internet of Things indoor air quality monitoring method in kind dispose as in figure 2 it is shown, due to
The data that each room is concerned about are different, and this just requires in the data that the monitoring of not chummery is different.Such as, in the middle part of bedroom
Sensor on the sensing node of administration monitors the index of house dust and escaping gas in real time；On the other hand, system
Infrared signal can be launched to control sky by the infrared signal forwarding module on sensing node according to air ambient in bedroom
The working condition of gas purifier, makes the air regime in bedroom recover normal level；Similarly, in study, parlor, defend
Also the sensing node corresponding with pre-monitoring data is disposed with kitchen for gathering various air parameter respectively and controlling between life
Including humidifier, air-conditioning, ventilator and smoke exhaust ventilator etc., household electrical appliances runs to maintain healthy comfortable home air environment.
As promoter and the core node of network, gateway node is deployed in parlor.In the middle of the house type of common area,
The topological mode of network is set to star topology.When house type area is very big, and when room is more, sensing node cannot be one
Realize communicating with gateway node in the range of jumping, could be arranged to the topological structure of mesh network to ensure the connectedness of network.
The workflow of sensing node of the present invention is as it is shown on figure 3, set up star topology network, sensing joint by gateway node
Point adds network；Each sensing node distinguishes monitoring pattern and control model, and controller needs which kind of judgement to perform
Pattern.Sensing node is all to be operated under monitoring pattern under normal circumstances, continues to monitor indoor air environment.Work as sensing
After device module gathers signal and is forwarded to controller, there is not interrupt requests in controller acquiescence, sensing node continues work
Make at monitoring pattern；When there being control signal to be forwarded to controller from wireless communication module, during controller is then thought and be there occurs
Disconnected request, now controller response interrupt requests, stop receiving the Monitoring Data that sensor assembly transmits, proceed to perform
Corresponding interrupt service routine, processes backward infrared signal forwarding module and sends control information control signal, thus real
The now control to household electrical appliances.
As shown in Figure 4, gateway node of the present invention initializes and sets up star topology network, waits that sensing node adds networking
Network；Similar with sensing node, gateway node is divided into monitoring pattern and control model equally.Under normal circumstances, gateway joint
The controller of point receives the Monitoring Data that wireless communication module transmits, and is transmitted to network communication module or passes through plate after process
The HDMI carried connects TV and shows.When there being control signal to be sent to controller module from network communication module, controller is then
Think and create interrupt requests；Now controller module stops receiving the data that wireless communication module transmits, and response is interrupted
Ask and perform corresponding interrupt service routine；Controller transmission control signal, to wireless communication module, sends to then
The sensing node that ID is corresponding.
As shown in Figures 3 and 4, the invention provides a kind of household indoor air quality monitoring method based on Internet of Things,
The method comprises the steps:
Step 1: first build indoor air quality monitoring network based on technology of Internet of things, by circuit design by terminal
Sensing node be attached to relevant sensor, arrange the sensing of several terminals according to the difference in indoor room
Node, each sensing node therein be owned by unique No. ID for identifying, simultaneously arrange a gateway node undertake
The functions such as the foundation of network and convergence.
Step 2: then build the monitoring and alarming system of PC end, develops a set of monitoring software for PC end.The most existing
The monitoring software having Based PC end mainly uses the technology combined with photographic head.The present invention is based on building gateway
Node receives feedback data, intends independently writing PC end and can use software code, it is achieved with docking of gateway node, at PC
End presents visualized graph interface to user, and interface is divided into several functional graphic marks.Manager and user Ke Tong
Cross and select to receive data and analytic function on graphical interfaces, it is achieved to the reception of the data that gateway node is collected and by number
According to uploading to network, air parameter data are classified and Treatment Analysis.Threshold function can also be set by selection
Limit the warning function starting PC end monitoring software.
Step 3: the use system of monitoring in real time then building mobile terminal based on Andriod platform is different from existing
Mobile terminal video monitoring system, the present invention intend utilize JAVA language develop a set of indoor based on Andriod platform
Air ambient monitoring software uses system, installs on the mobile phone of every user.By with air quality monitoring network
The docking of network module, it is achieved the real-time monitoring to IAQ (indoor air quality), after receiving the data transmitted based on gateway node,
By this software, user can show that instant air quality color alerts simulation drawing realizes real-time monitoring, more pre-by exceeding
Determine threshold value warning user, make user's self judgment whether carry out operation and realize the control of the regulation to IAQ (indoor air quality).
Step 4: build the real-time monitoring system for television: develop and a set of send being used in development platform based on Fructus Rubi
Connect the watch on-line that television uses.User just can be quickly and easily after the HDMI of gateway is connected TV
Recognize monitoring information, thus avoid the undue dependence to WLAN and computer.
Step 5: gateway node initially sets up Star Network, each sensing node passes through the detection being connected after completing networking
The sensor of air parameter gathers signal according to the time interval specified, subsequently by signal by amplification, analog to digital conversion etc.
Obtain initial data after process, send the data to gateway node then according to after predefined frame format again framing.
Step 6: even being connected to the Net by WIFI by gateway node, and be connected to TV by HDMI wire, user just may be used
Utilize computer checking monitoring information by PC end monitoring system, or utilize television monitoring system to check, also may be used
Mobile terminal monitoring system is utilized conveniently to be checked by mobile phone or panel computer.If once room air
Abnormal conditions occur, user receives real-time alarm also by computer, TV or mobile phone.
Step 7: the infrared transmitter of gateway node mid-infrared signal forwarding module is arranged correct position, it is ensured that household electrical appliances can
To receive the infrared signal of forwarding smoothly.
Claims (6)
1. household indoor air quality monitoring method based on Internet of Things, it is characterised in that described method comprises the steps:
Step 1: first build indoor air quality monitoring network based on technology of Internet of things, by design circuit connection terminal
Sensing node and corresponding sensor, arrange the sensing node of several terminals, each biography therein according to the difference of indoor room
Sense node be owned by unique No. ID for identifying, arrange that gateway node undertakes foundation and the convergence of network simultaneously；
Step 2: build the gateway node of PC end for receiving feedback data, docks, at PC with the gateway node of monitoring network
End presents visualized graph interface to user；
Step 3: build the real-time monitoring of mobile terminal based on Andriod platform, install on the mobile phone of every user
Software, by with air quality monitoring network network module be docked at receive based on gateway node transmit data after, user by should
Software shows that instant air quality color alerts simulation drawing realizes real-time monitoring or by exceeding predetermined threshold warning user, makes
Whether user's self judgment carries out operation realizes the control of the regulation to IAQ (indoor air quality)；
Step 4: building the real-time monitoring for television, user just can fast and easy after the HDMI of gateway is connected TV
Monitoring information is recognized on ground, thus avoids the undue dependence to WLAN and computer；
Step 5: gateway node initially sets up network, each sensing node passes through the detection air parameter being connected after completing networking
Sensor gather signal according to the time interval specified, obtain initial data by after signal processing subsequently, then according to fixed in advance
Gateway node is sent the data to after the frame format framing again of justice；
Step 6: even being connected to the Net by gateway node, and be connected to TV, user just can utilize computer by PC end monitoring system
Checking monitoring information, or utilize television monitoring system to check, utilize mobile terminal monitoring system to pass through mobile phone or flat board
Computer is conveniently checked；If once abnormal conditions occurs in room air, user can pass through computer, TV or mobile phone and receive
To real-time alarm；
Step 7: the infrared transmitter of gateway node mid-infrared signal forwarding module is arranged correct position, it is ensured that household electrical appliances can be suitable
Profit receives the infrared signal of forwarding.
A kind of household indoor air quality monitoring method based on Internet of Things the most according to claim 1, it is characterised in that
Several functional graphic marks it are divided on the interface of described step 2；Manager and user are by selecting reception number on graphical interfaces
According to and analytic function, the reception of data collecting gateway node also upload the data to network, carries out air parameter data point
Class and Treatment Analysis；Threshold function is set by selection and limits the warning of startup PC end monitoring software.
3. a household indoor air quality monitoring system based on Internet of Things, it is characterised in that: described system includes room air
Quality-monitoring mixed-media network modules mixed-media and monitor feedback module in real time；
Indoor air quality monitoring mixed-media network modules mixed-media can monitor IAQ (indoor air quality) parameter in real time, for PC end, television and mobile phone terminal
The air quality information that display is monitored provides data；
Monitoring feedback module can check IAQ (indoor air quality) real-time condition in real time, receives alarm, and PC end and mobile terminal can be to being surveyed
Data realize the Based Intelligent Control to household electrical appliances such as air-conditioning, air purifier, smoke exhaust ventilators after being analyzed.
A kind of household indoor air quality monitoring system based on Internet of Things the most according to claim 3, it is characterised in that:
Described indoor air quality monitoring mixed-media network modules mixed-media includes sensing node and gateway node；
Sensing node includes sensor assembly, controller module, wireless communication module and infrared signal forwarding module；
Sensor assembly is responsible for gathering previously described various air quality parameters, then the data these collected pass to control
Device module；
Controller module is responsible for gathering the data of sensor assembly and being acted upon；
On the one hand wireless communication module receives the processed data that controller module transmits, and on the other hand data is uploaded to net
Articulare；
Infrared signal forwarding module connects controller module, adjusts relevant family according to the real-time condition of household indoor air environment
The control of electricity；
Gateway node includes wireless communication module, controller module, network communication module；
Wireless communication module receives the data that sensing node is transmitted by wireless network；
Controller module receives the data that transmit of wireless communication module, then forwards the data to be attached thereto after being processed by processor
Network communication module；
The data received from controller module are uploaded to the Internet by network communication module, finally broadcast to real-time monitoring platform；
Monitoring feedback module includes PC end monitoring system, television monitoring system and mobile terminal monitoring system in real time；
PC end monitoring system and mobile terminal monitoring system support user's inquiry, and PC end also has graphical interfaces to be easy to user operation such as to set
Put alarm threshold value etc.；
Television monitoring system makes information be shown in television set in real time.
A kind of household indoor air quality monitoring system based on Internet of Things the most according to claim 3, it is characterised in that:
Described controller module can connect television set display information.
A kind of household indoor air quality monitoring system based on Internet of Things the most according to claim 3, it is characterised in that:
Described system is that the data coming indoor air quality monitoring network collection transmission carry out real-time update and display, and supports user
Self-defined setting.
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| CN106444407A (en) * | 2016-10-27 | 2017-02-22 | 西安交通大学青岛研究院 | Novel indoor environment integrated intelligent solution system |
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