CN105116848A - Residential building indoor environment monitoring and health grade evaluation Internet of Things system - Google Patents

Residential building indoor environment monitoring and health grade evaluation Internet of Things system Download PDF

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Publication number
CN105116848A
CN105116848A CN201510420144.7A CN201510420144A CN105116848A CN 105116848 A CN105116848 A CN 105116848A CN 201510420144 A CN201510420144 A CN 201510420144A CN 105116848 A CN105116848 A CN 105116848A
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data
internet
environment
things
zigbee
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CN105116848B (en
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陈滨
李卓函
张雪研
周敏
陈宇
朱元彬
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Dalian University of Technology
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Dalian University of Technology
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/418Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
    • G05B19/4185Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication
    • G05B19/41855Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication by local area network [LAN], network structure

Abstract

The invention discloses a residential building indoor environment monitoring and health grade evaluation Internet of Things system, and belongs to the fields of the residential building indoor environment detection technology and the information communication technology. The residential building indoor environment monitoring and health grade evaluation Internet of Things system is characterized in that indoor various-function room environment parameters are acquired in real time by utilizing data acquisition modules, and influence weights and health risk grades of the various indoor environment parameters on human health are comprehensively analyzed; and an expert opinion on improving of a corresponding environment condition and an expert strategy for improving the corresponding environment condition are given. An Internet of Things real-time data monitoring system is built at the same time, data can be timely transmitted to a user display terminal and a remote central service system, and the data can be taken as basic research data and a decision basis of a relevant government department. The residential building indoor environment monitoring and health grade evaluation Internet of Things system is advantageous in that the problem that the fact that the indoor environment is represented by a single parameter is unscientific is solved, real-time monitoring of the residential environment indoor comprehensive evaluation parameters and user mobile terminal contrast result synchronous searching can be achieved at the same time, and an suggestion for effective improvement of the environment and a measure for effectively improving the environment are obtained; and the residential building indoor environment monitoring and health grade evaluation Internet of Things system has the advantages of the wide application aspect and the high popularizing rate.

Description

Residential architecture indoor air chemical pollution and Health Category evaluate Internet of things system
Technical field
The invention belongs to residential architecture Indoor Environment Detection technology and technical field of information communication, relate to a kind of constructing by Internet of things system, realize the Real-Time Monitoring of residential architecture each function room indoor and outdoor nine kinds of environmental parameters, real time data acquisition, data lump calculation process, the evaluation of indoor healthy environmental rating and improving indoor environment strategy and expert advice simultaneously.
Background technology
While reducing building energy consumption further, building healthy living environment is the Important Action ensureing and improve People's livelihood.Correlative study shows that the time in all one's life about 2/3 of people is spent in indoor, the health effect of quality to human body of indoor environmental quality plays leading role, find through the disciplinary study such as toxicology, clinical medicine, indoor pollutant has close associating with the multiple disease of resident such as asthma etc., and how carrying out that effective monitoring and evaluation and early warning improve to the health status of indoor environment is current problem demanding prompt solution.
Find through retrieval, patent No. CN103278192A discloses a kind of architecture indoor temperature/humiditydetection detection system based on ZigBee technology and method, its principal feature is: adopt multiple sensor measurement indoor relative humidity, adopt and support that the CC2530 wireless processor of ZigBee technology forms Temperature Humidity Sensor node as main control chip, there is, high precision convenient without the need to communication cable, networking and Presentation Function in real time; Because this technology is only monitored the humiture of indoor, therefore, be difficult to characterize the impact of other pollutant on indoor environment health performance.Patent No. CN102682576A discloses a kind of Intelligent indoor environmental monitoring system based on wireless sensing, its principal feature is: detect the toxic gas that is pathogenic, carcinogenic, mortality risks in indoor bedroom, major node single-chip microcomputer storing data information, and to data message Treatment Analysis, Treatment Analysis result is transferred to display alarm terminal, sends warning message when environmental baseline is abnormal.This technology only detects the toxic gas pollutant in bedroom, though but portion gas is not toxic gas but concentration is accumulated to certain degree also can have an impact as carbon dioxide to the health of human body, also there is the drawback characterizing monolithic chamber environment health performance with partial parameters simultaneously.Patent No. CN103529776A describes a kind of Indoor Environment Detection system monitoring method, utilize green building Environment Management module and air ambient to detect collector and dock Real-Time Monitoring air quality data, automatic adjustment improves IAQ (indoor air quality), generates air quality report; Utilize air-conditioning system to perform temperature and humidity regulation instruction, good control is provided to the monitoring of indoor air quality and improvement.This technology does not divide the function room of indoor, and the accuracy of position to parameter monitoring of monitoring point has a great impact, and the main pollutant in difference in functionality room and pollution level are inconsistent.Patent No. CN103529776A discloses a kind of intelligent house microenvironment detection control system, according to detected indoor temperature, humidity, gas, control apparatus controller starts indoor electric appliance and carries out work, and send alarming short message to default mobile phone, this technology facilitates regulating and controlling equipment, but there is corresponding electric equipment in man of not all resident family, be unfavorable for the popularization of technology.
Summary of the invention
The object of this invention is to provide a kind of residential architecture indoor air chemical pollution and Health Category evaluates Internet of things system, the each environmental parameter of Real-Time Monitoring indoor and outdoor is on the impact of health, total score lives separately Building Indoor Environment situation and health risk grade evaluation, and provides the expert opinion and regulation measure of improving respective environment situation; Simultaneously construction networking monitoring system, uploads monitoring parameter in time to database, based on scientific data and departments of government decision-making foundation.Solve residential architecture indoor healthy environmental assessment techniques imperfection, the unsound practical problems of IAQ (indoor air quality) regulate and control method.
The present invention is achieved by the following technical solutions:
As shown in Figure 1, whole Internet of things system is divided into three-decker, and bottom is Zigbee subnet, and it adopts Zigbee radio communication to realize sensing data transmission; Middle layer is data acquisition gateway, and it realizes the transition of communications between Zigbee network and Ethernet; Upper strata is Cloud Server and client, the data acquisition gateway in middle layer accesses Internet network by router, and then by gathered data upload to Cloud Server, Cloud Server completes the evaluation of the analysis of data, calculating and Health Category, pc client and mobile client then access Cloud Server by Internet, thus browse the Monitoring Data of Building Indoor Environment.
A Zigbee subnet achieves the environmental monitoring in one or more room, the temperature of synthetical collection indoor, relative humidity, air velocity, PM2.5 concentration, CO 2the environmental parameters such as concentration, CO concentration, concentration of formaldehyde, illuminance, noise, its signal or data are transferred to Zigbee module by modes such as analog quantity transformation, digital communication, pulse trains by each sensor.Zigbee module completes analog to digital conversion and the range conversion (or direct read sensor data) of sensor signal, then by by Zigbee radio communication, obtained sensing data is sent to data gateway.In a Zigbee subnet, design support 64 sensor nodes, for from the sensor node away from data acquisition gateway, strengthen data transmission capabilities by Zigbee communication repeater.
A corresponding Zigbee subnet of data acquisition gateway, it comprises data acquisition unit and Zigbee module two parts.Because Zigbee module supports that Zigbee radio communication communicates with RS485 simultaneously, and then realize transition of communications between the two; Data acquisition unit reads site environment Monitoring Data by RS485 communication from Zigbee module, and is converted to ethernet communication mode further, carries out data upload.Data acquisition unit is based on M-SCM9022 embedded industry control module hardware platform development.The environmental data of multiple data acquisition gateway to first floor or multi-story gathers, and eventually through same router access Internet network, different building then needs to be linked into Internet network by different routers.
Cloud Server obtains the environmental monitoring data of different geographical, different building by Internet network, and then completes the assessment of the real-time display of data, storage, analysis, calculating, Health Category and contamination hazard degree.Pc client and the access of mobile client to Cloud Server are also completed by Internet network.
A Zigbee module (as shown in Figure 2) gathers multiple sensor signal by analog input, pulsed quantity input, I2C interface, SPI interface, UART interface simultaneously, and sensor adopts analog quantity or pulse change to send output, or adopting Direct Digital to export, the selection for external sensor provides conveniently.
Effect of the present invention and benefit are:
1, the singularity of residential architecture indoor environment to the physical parameter of Health Impact and each function room has been considered to evaluate the health risk of Environmental insults.Indoor environment health performance of the present invention detects analyser can carry out detection analysis with the many spaces of multiparameter to indoor environment, avoids with single parameter to characterize the not preciseness of indoor environment, understands indoor pollution substrate concentration and space distribution fully and effectively.
2, health risk grade in indoor environment comprehensive characterization parameter evaluation habitat is utilized, can not only display room environment parameter actual value in real time, can also evaluate the health risk of environment and provide class letter, when there is health risk, detection system will provide the expert advice of environmental quality Improving Measurements.
3, real-time detector data not only shows in real time in test site, also by communication system of data transmission, transfer data to central server end, the heart is monitored in real time in the detection, for the indoor environment health performance checking network and database setting up different cities or area provides technological means.
Accompanying drawing explanation
Fig. 1 is that residential architecture indoor air chemical pollution and Health Category evaluate Internet of things system network structure block diagram.
Fig. 2 is Zigbee module hardware design theory diagram.
Embodiment
The specific embodiment of the present invention is described in detail below in conjunction with technical scheme and accompanying drawing.
As shown in Figure 1, by test parameter (as humiture, air velocity, illumination, noise, PM 2.5, CO 2, formaldehyde, TVOC concentration) sensor and ZigBee wireless transport module assemble a fixing data inspect terminal module, in indoor, corresponding terminal module is arranged in each function room, and outdoor sense terminals module is (as humiture, air velocity, illumination, noise, PM 2.5, CO 2concentration) sensor and ZigBee wireless transport module, the Real-time Monitoring Data of five parts is transferred to indoor ZigBee data integration gateway, and after this data divide two parts to transmit.A part is indoor visual terminal panel, shows in real time and evaluation analysis data, and another part carries out analyzing and storing to central server end by Internet Transmission.Data also divide two aspects to launch after central server, are monitoring platform center on the one hand, carry out Real-Time Monitoring to all existing monitoring resident family indoor environment parameter status and health risk assessment; Be Data Management Analysis center on the other hand, computing carried out to data and stores, center, setting data storehouse, surf the Net for user and inquire about indoor environment ranking and download related data.
As shown in Figure 2, Zigbee module synchronously supports 4 road analog inputs (AI0 ~ AI3), 4 road impulsive quarantine input (PI0 ~ PI3), 1 road I2C bus interface, 1 road SPI interface, 1 road UART communication interface, 1 road RS485 communication interface, 1 road Zigbee wireless communication interface; CPU adopts the STM32F407 microprocessor of 32 ARM7 kernels; Analog input adopts single ended input design, supports the input signals such as 0 ~ 10V, 0 ~ 5V, 0 ~ 50mV, 0 ~ 20mA, 4 ~ 20mA, and automatically completes current-voltage conversion, and input signal is after differential decay, and unification is transformed to 0 ~ 50mV signal; 4 analog input channel, tunnels are after CD4051 analog switch is selected, and access operational amplifier, is transformed to 0 ~ 2V voltage signal after homophase amplifies 40 times, and amplifier adopts LM324, and channel selecting is then controlled by P3.0 and P3.1 of CPU; Amplifier output signal, after digital-to-analog conversion, reads transformation result by CPU by SPI interface, and digital to analog converter adopts MCP3201, and conversion accuracy is 12, and external reference voltage is 2.048V, is provided by LM4120.After CPU obtains translation data, by according to the range upper limit pre-set and Lower Range, complete range conversion.Analog switch and operational amplifier all adopt+5V and-5V to power, and in digital-to-analog conversion process, often take turns collection period, analog switch all switches once, to read amplifier zero drift amount, during software process, the dac value that reality reads is deducted zero drift value, effectively eliminates zero point drift.
4 road Puled input, after high speed photo coupling isolation, are input to P3.4 ~ P3.7 pin of CPU, and to produce interruption, software adopts the method for timer counter obtain input pulse frequency, its frequency range measured is 0 ~ 10KHz.
I2C interface, SPI interface and UART interface are directly provided by CPU.For I2C interface, SDA is bidirectional data transfers line, the I2C clock signal that SCL provides for CPU; For SPI interface, CS1 is that sheet selects control line, the SPI clock signal that CLK1 provides for CPU, and the master of frequency to be 100KHz, MISO1 be SPI interface enters from going out signal, and MOSI1 is that the master of SPI interface goes out from entering signal; For UART interface, TXD0 is for sending signal wire, and RXD0 is Received signal strength line.
Wireless communication interface adopts CC2530, completes data interaction between itself and CPU by SPI2 interface, and house dog selects IMP807, and threshold voltage is 2.93V.RS485 communication interface adopts ADM2587, transmission TXD1 and RXD1 of UART1 mouth in CPU is converted to DT+ and DT-signal, carries out RS485 half-duplex operation.
Zigbee module adopts+12V to power, and the 220VAC of outside input is after Switching Power Supply conversion, and obtaining+12V, is module for power supply, and what Switching Power Supply was selected is bright latitude power supply, and model is S-12-15, and output rating is 15W; + 12V signal after 7805 conversion to+5V signal; + 5V signal, after the conversion of SPX1117-3.3V chip, obtains 3.3V, for CPU provides power supply; + 5V signal, after 34C063 conversion, obtains-5V; + 5V and-5V is that analog switch and operational amplifier are powered.Whole Zigbee module provides 12V ,+5V ,-5V ,+3.3V power supply for external sensor.

Claims (5)

1. residential architecture indoor air chemical pollution and Health Category evaluate an Internet of things system, it is characterized in that: whole Internet of things system is divided into three-decker, and bottom is Zigbee subnet, and it adopts Zigbee radio communication to realize sensing data transmission; Middle layer is data acquisition gateway, and it realizes the transition of communications between Zigbee network and Ethernet; Upper strata is Cloud Server and client, the data acquisition gateway in middle layer accesses Internet network by router, and then by gathered data upload to Cloud Server, Cloud Server completes the evaluation of the analysis of data, calculating and Health Category, and pc client and mobile client access Cloud Server by Internet, thus browse the Monitoring Data of Building Indoor Environment.
2. a kind of residential architecture indoor air chemical pollution according to claim 1 and Health Category evaluate Internet of things system, it is characterized in that: a Zigbee subnet achieves the environmental monitoring in one or more room, the temperature of synthetical collection indoor, relative humidity, air velocity, PM2.5 concentration, CO 2the environmental parameters such as concentration, CO concentration, concentration of formaldehyde, illuminance, noise, its signal or data are transferred to Zigbee module by modes such as analog quantity transformation, digital communication, pulse trains by each sensor; Zigbee module completes analog to digital conversion and the range conversion of sensor signal, or direct read sensor data, then by by Zigbee radio communication, obtained sensing data is sent to data gateway; In a Zigbee subnet, design support 64 sensor nodes, for from the sensor node away from data acquisition gateway, strengthen data transmission capabilities by Zigbee communication repeater.
3. a kind of residential architecture indoor air chemical pollution according to claim 1 and Health Category evaluate Internet of things system, it is characterized in that: a corresponding Zigbee subnet of data acquisition gateway, and it comprises data acquisition unit and Zigbee module two parts; Because Zigbee module supports that Zigbee radio communication communicates with RS485 simultaneously, therefore achieve transition of communications between the two; Data acquisition unit reads site environment Monitoring Data by RS485 communication from Zigbee module, and is converted to ethernet communication mode further, carries out data upload; Data acquisition unit is based on M-SCM9022 embedded industry control module hardware platform development; Multiple data acquisition gateway parallel connection gathers the environmental data of first floor or multi-story, and by same router access Internet network, different building then needs to be linked into Internet network by different routers.
4. a kind of residential architecture indoor air chemical pollution according to claim 1 and Health Category evaluate Internet of things system, it is characterized in that: Cloud Server obtains the environmental monitoring data of different geographical, different building by Internet network, and then complete the assessment of the real-time display of data, storage, analysis, calculating, Health Category and contamination hazard degree; Pc client and mobile client are also completed by Internet network to the access of Cloud Server.
5. a kind of residential architecture indoor air chemical pollution according to claim 1 and Health Category evaluate Internet of things system, it is characterized in that: Zigbee module gathers multiple sensor signal by analog input, pulsed quantity input, I2C interface, SPI interface, UART interface simultaneously, and sensor all can realize adopting analog quantity or pulse change to send output, or adopting Direct Digital to export, the selection for external sensor provides conveniently.
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CN109493973A (en) * 2018-11-22 2019-03-19 中国建筑设计研究院有限公司 A kind of household residential air Environmental Health method for prewarning risk and system
CN110062494A (en) * 2019-03-27 2019-07-26 长春希达电子技术有限公司 A kind of classroom LED lamp Healthy Lighting light decay is warned device
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CN109493973A (en) * 2018-11-22 2019-03-19 中国建筑设计研究院有限公司 A kind of household residential air Environmental Health method for prewarning risk and system
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CN110062494A (en) * 2019-03-27 2019-07-26 长春希达电子技术有限公司 A kind of classroom LED lamp Healthy Lighting light decay is warned device
CN110207748A (en) * 2019-06-05 2019-09-06 榆林学院 A kind of environment of internet of things monitoring system
CN110702169B (en) * 2019-10-24 2021-12-24 淮安信息职业技术学院 Big data analysis system and method for indoor environment monitoring and rating
CN110702169A (en) * 2019-10-24 2020-01-17 淮安信息职业技术学院 Big data analysis system and method for indoor environment monitoring and rating
WO2021109820A1 (en) * 2019-12-06 2021-06-10 大连理工大学 Time synchronization hybrid analog and digital sensor data acquisition system and method
US11184739B1 (en) 2020-06-19 2021-11-23 Honeywel International Inc. Using smart occupancy detection and control in buildings to reduce disease transmission
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