CN104501865A - Environmental parameter monitor and monitoring method - Google Patents

Environmental parameter monitor and monitoring method Download PDF

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Publication number
CN104501865A
CN104501865A CN201410768380.3A CN201410768380A CN104501865A CN 104501865 A CN104501865 A CN 104501865A CN 201410768380 A CN201410768380 A CN 201410768380A CN 104501865 A CN104501865 A CN 104501865A
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China
Prior art keywords
signal
concentration
gas
concentration signal
module
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Pending
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CN201410768380.3A
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Chinese (zh)
Inventor
蒋泰
张余明
王皓奎
王新宇
邓家明
唐民钦
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GUANGXI HUNTER INFORMATION INDUSTRY CO LTD
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GUANGXI HUNTER INFORMATION INDUSTRY CO LTD
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Priority to CN201410768380.3A priority Critical patent/CN104501865A/en
Publication of CN104501865A publication Critical patent/CN104501865A/en
Pending legal-status Critical Current

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Abstract

The invention relates to an environmental parameter monitor and a monitoring method. The method comprises the following steps that S1, a PM2.5 detection module detects the concentration of dust in the air to generate a concentration signal; a smoke detection module detects the concentration of smoke in the air to generate a concentration signal; a fuel gas leakage detection module detects the concentration of fuel gas in the air to generate a concentration signal; a harmful gas detection module detects the concentration of harmful gas in the air to generate a concentration signal; S2, a processor receives the concentration data values and set values of the concentration signals for comparison respectively, generates an alarm signal when any concentration data value of the concentration signals exceeds the set values, and transmits the alarm signal and the concentration signals to a wireless receiving and transmitting module; S3, the wireless receiving and transmitting module transmits the received concentration signals to an external gateway. Compared with the prior art, the environmental parameter monitor and the monitoring method have the advantages that domestic environmental parameters are detected in real time, and over-proof parameters and dangers can be alarmed in time.

Description

A kind of environmental parameter monitor and monitoring method
Technical field
The present invention relates to a kind of environmental parameter monitor and monitoring method thereof.
Background technology
Smart Home is a multi-functional complex art system, it take home dwelling as platform, utilize advanced computer technology, the communication technology, network technology, control technology, infotech, various electric equipments in family are organically linked together by the network of certain form, carry out integrated management and the regulation and control of networking, for people provide comfortable, safety, a convenience, environmental protection and high efficiency living environment.
Although the concept of Smart Home occurs very early, the market demand also exists always, but the development of Smart Home is owing to being limited by the breakthrough of correlation technique for a long time, never obtain large-scale application popularization, in intelligent domestic system, radio network technique being applied to home network has become inundant trend.This is not only because wireless network can provide greater flexibility, mobility, economizes the expense and energy of deflorating in comprehensive wiring, and more because it meets the communication characteristics of home network.Along with further developing of radio network technique, the process of household intelligent network greatly will be promoted.
Along with the development of life, the pollution of life staying idle at home environment is more and more serious, receives everybody concern, so be necessary to solve this problem.
Summary of the invention
Technical matters to be solved by this invention is to provide and a kind of detects home environment parameter in real time, the environmental parameter monitor that can report to the police to exceed standard parameter and danger in time and monitoring method.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of environmental parameter monitor, comprises PM2.5 detecting module, smoke detection module, gas leakage detecting module and harmful gas detecting module, processor and radio receiving transmitting module;
Described PM2.5 detecting module is used for the concentration of dust in detecting air, and produces dust concentration Signal transmissions to processor;
Described smoke detection module is used for the concentration of the smog in detecting air, and produces smokescope Signal transmissions to processor;
Described gas leakage detecting module is used for the concentration of combustion gas in detecting air, and produces gas concentration Signal transmissions to processor;
Described harmful gas detecting module is used for the concentration of harmful gas in detecting air, and produces harmful gas concentration Signal transmissions to processor;
Described processor is used for the concentration data value of the dust concentration signal of reception, smokescope signal, gas concentration signal and harmful gas concentration signal to contrast with its setting value respectively, when arbitrary concentration data value of dust concentration signal, smokescope signal, gas concentration signal and harmful gas concentration signal exceedes setting value, processor produces alerting signal, and by alerting signal, dust concentration signal, smokescope signal, gas concentration signal and harmful gas concentration Signal transmissions to radio receiving transmitting module;
Described radio receiving transmitting module be used for respectively by alerting signal, dust concentration signal, smokescope signal, gas concentration signal and harmful gas concentration Signal transmissions to exterior gateway.
The invention has the beneficial effects as follows: IAQ (indoor air quality) can be detected whenever and wherever possible, indoor temperature and humidity, indoor smog concentration, indoor fuel gas leak, indoor PM2.5, moment early warning air endangers, and send warning to user by radio receiving transmitting module, prompting improves air quality, and user can understand air quality in real time by wireless network, improves convenience.
On the basis of technique scheme, the present invention can also do following improvement.
Further, also comprise humiture detecting module, described humiture detecting module is used for the humiture in detecting air, and produces temperature-humidity signal and be transferred to processor.
Further, described humiture detecting module comprises the combination unit of temperature sensor, humidity sensor, A/D converter, checksum memory, interface and CRC generator, described temperature sensor, humidity sensor and checksum memory are connected with described A/D converter respectively, and described A/D converter is connected with the combination unit of described interface and CRC generator.
Further, also comprise power module, described power module is used for powering for processor, PM2.5 detecting module, smoke detection module, gas leakage detecting module, harmful gas detecting module and humiture detecting module.
Further, described radio receiving transmitting module carries out A/D conversion process to alerting signal, dust concentration signal, smokescope signal, gas concentration signal and harmful gas concentration signal.
Further, described PM2.5 detecting module detects the concentration of radius more than 0.03 μm particle in air.
Further, the combustion gas of described gas leakage detecting module detection comprises liquefied gas, methane and coal gas.
Further, the concentration range of described gas leakage detecting module detection combustion gas is 300 ~ 5000ppm.
Further, the sensing part of described harmful gas detecting module is made up of tin ash.
The beneficial effect of above-mentioned further scheme is adopted to be: tin ash can responsive induction to harmful gases such as ammonia, aromatic compounds, sulfide, benzene series steam, and promotion feeling answers accuracy rate and reaction velocity.
A monitoring method for environmental monitor, comprises the following steps:
The concentration of dust in step S1.PM2.5 detecting module detecting air, and produce dust concentration Signal transmissions to processor; The concentration of the smog in smoke detection module detecting air, and produce smokescope Signal transmissions to processor; The concentration of combustion gas in gas leakage detecting module detecting air also produces gas concentration Signal transmissions to processor; The concentration of harmful gas in harmful gas detecting module detecting air, and produce harmful gas concentration Signal transmissions to processor;
The concentration data value of the dust concentration signal of reception, smokescope signal, gas concentration signal and harmful gas concentration signal and its setting value contrast by step S2. processor respectively, when arbitrary concentration data value of dust concentration signal, smokescope signal, gas concentration signal and harmful gas concentration signal exceedes setting value, processor produces alerting signal, and by alerting signal, dust concentration signal, smokescope signal, gas concentration signal and harmful gas concentration Signal transmissions to radio receiving transmitting module;
Step S3. radio receiving transmitting module respectively by alerting signal, dust concentration signal, smokescope signal, gas concentration signal and harmful gas concentration Signal transmissions to exterior gateway.
The invention has the beneficial effects as follows: this method flow process is simple, PM2.5 detecting module, smoke detection module, gas leakage detecting module and harmful gas detecting module can implement the concentration of the gas in acquisition environment, and can report to the police to exceeding the gas arranging definite value, can take the necessary measures by reminding user in time.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the monitoring method of a kind of environmental parameter monitor of the present invention;
Fig. 2 is the module frame chart of a kind of environmental parameter monitor of the present invention;
Fig. 3 is the module frame chart of humiture detecting module.
In accompanying drawing, the list of parts representated by each label is as follows:
1, processor, 2, radio receiving transmitting module, 3, PM2.5 detecting module, 4, smoke detection module, 5, gas leakage detecting module, 6, harmful gas detecting module;
7, humiture detecting module, 701, temperature sensor, 702, humidity sensor, 703, A/D converter, 704, checksum memory, 705, the combination unit of interface and CRC generator;
8, power module.
Embodiment
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 2 to Figure 3, a kind of environmental parameter monitor, comprises PM2.5 detecting module 1, smoke detection module 2, gas leakage detecting module 3 and harmful gas detecting module 4, processor 5 and radio receiving transmitting module 6;
Described PM2.5 detecting module 1 for the concentration of dust in detecting air, and produces dust concentration Signal transmissions to processor 5;
PM2.5 detecting module 1 adopts optical means to detect dust in air concentration, detecting module can monitor the dust in air, monitoring air quality, and the granule density of different dusts can be distinguished, and monitoring result is transferred to intelligent gateway, grasp environmental quality in family whenever and wherever possible, when detected value reaches alarming value, start relevant device, carry out ventilation process, gain a Room fresh air, PM2.5 detecting module can detect the particle of radius more than 0.03 μm in air, as cigarette flue dust, house dust, mould, pollen, spore etc., when they are in sensor sensing range, because these dust produce scattering by illumination, scattered light incident light receiving element, be converted to electric signal, export in the form of voltage after series of algorithms again.
Described smoke detection module 2 for the concentration of the smog in detecting air, and produces smokescope Signal transmissions to processor 5;
Smoke detection module 2, is the scattering principle utilizing light beam, detects, and send alerting signal in time to the smog in effective range; Under normal operating conditions, the light beam that smoke transducer sends departs from inductor, and now alarm can not sound.After smog enters effective range, segment beam can be refracted on inductor by smoke particle.Once the light beam that inductor receives exceeds the safe threshold of setting, radio alarming information will be sent, trigger relevant device and report to the police.
Described gas leakage detecting module 3 for the concentration of combustion gas in detecting air, and produces gas concentration Signal transmissions to processor 5;
Gas leakage detecting module 3, utilize the combustable gas concentration in semiconductor-type sensors detection air, and send alerting signal in time, adopt the gas sensory element that sensitivity is higher, time in working order, run into inflammable gas, semiconductor resistor declines, and drop-out value and combustable gas concentration form corresponding relation.Gas sensor is to variety classes, and the gas of variable concentrations has different resistance values.Therefore, when using this type gas sensor, the adjustment of sensitivity is very important.With 1000ppm isobutane or hydrogen calibrating sensors.When accurately measuring, the setting of alarm set point should consider the impact of humiture.
Described harmful gas detecting module 4 for the concentration of harmful gas in detecting air, and produces harmful gas concentration Signal transmissions to processor 5;
Harmful gas detecting module 4 adopts non-diverging infrared gas detection method, and the various gases in air all can absorb light, the light of different gas absorption different wave lengths, and such as CO2 is just the most responsive to infrared ray (wavelength is 4.26m); Harmful gas detecting module 6 is that tested gas is sucked a measuring chamber, one end of measuring chamber is provided with light source and the other end is equipped with optical filtering and detector, the effect of optical filtering only allows that the light of a certain specific wavelength passes through, and the luminous flux by measuring chamber then measured by detector.Luminous flux received by detector depends on the concentration of tested gas in environment, is drawn the content of various gas in air by microprocessor analysis.
Described processor 5 is for contrasting the concentration data value of the dust concentration signal of reception, smokescope signal, gas concentration signal and harmful gas concentration signal and its setting value, when arbitrary concentration data value of dust concentration signal, smokescope signal, gas concentration signal and harmful gas concentration signal exceedes setting value, processor produces alerting signal, and by alerting signal, dust concentration signal, smokescope signal, gas concentration signal and harmful gas concentration Signal transmissions to radio receiving transmitting module 6;
Less radio-frequency processor selected by present treatment device 5, self-contained radio-frequency (RF) transceiver is used for the radio communication realized in network, in the design of environment induction apparatus, less radio-frequency processor is responsible for control, data processing, transmission etc. to whole environment induction apparatus, the data that each module acquires is come by less radio-frequency processor carry out A/D conversion process, and carry out framing transmission.
Described radio receiving transmitting module 6 for respectively by alerting signal, dust concentration signal, smokescope signal, gas concentration signal and harmful gas concentration Signal transmissions to exterior gateway;
The radio communication of radio receiving transmitting module 6 primary responsibility and intelligent gateway, it includes the compatible wireless transceiver of an IEEE802.15.4, Packet Filtering, Address Recognition and peripheral impedance matching, nuclear control radio receiving transmitting module in the RF of less radio-frequency processor, and the interface provided between processor and radio receiving transmitting module, order, reading state, automatic operation can be received and dispatched and determine the order of event;
Peripheral impedance matching has selected a balun circuit to carry out Optimal performance, and realize balance and mate with the I/O of monopole unbalanced antenna, output power is maximum reaches 4.5dBm.Balun circuit have employed discrete inductance and the electric capacity realization of low cost.
Also comprise humiture detecting module 7, described humiture detecting module 7 for the humiture in detecting air, and produces temperature-humidity signal and is transferred to processor 5;
Humiture detecting module 7 uses digital module acquisition technique and temperature and humidity sensing technology, adopt single-chip sensor, it is a humiture compound sensor containing calibrating digital signal output, its applicable industry COMS process micro-processing technology, guarantees that product has high reliability and remarkable long-time stability.Sensor comprises a condenser type condensate hygrometric element and an energy gap type temperature element, and realize seamless link on the same chip with the A/D converter of 14 and serial interface circuit, module adopts two-wire system serial line interface to obtain data and internal reference voltage, makes the system integration become fast simple and easy.
Described humiture detecting module 7 comprises temperature sensor 701, humidity sensor 702, A/D converter 703, checksum memory 704, two-wire system serial digital interface and CRC generator 705, described temperature sensor 701, humidity sensor 702 and checksum memory 704 are connected with described A/D converter 703 respectively, and described A/D converter 703 is connected with the combination unit 705 of interface and CRC generator.
Also comprise power module 8, described power module 8 is for powering for processor 5, PM2.5 detecting module 1, smoke detection module 2, gas leakage detecting module 3, harmful gas detecting module 4 and humiture detecting module 7.
Described radio receiving transmitting module 6 pairs of alerting signals, dust concentration signal, smokescope signal, gas concentration signal and harmful gas concentration signal carry out A/D conversion process.
Described PM2.5 detecting module 1 detects the concentration of radius more than 0.03 μm particle in air.
The combustion gas that described gas leakage detecting module 3 detects comprises liquefied gas, methane and coal gas;
The concentration range that described gas leakage detecting module 3 detects combustion gas is 300 ~ 5000ppm.
The sensing part of described harmful gas detecting module 4 is made up of tin ash.
The gas sensitive that the inductive head of harmful gas detecting module 6 uses is the tin ash (SnO2) that conductivity is lower in clean air.When there is dusty gas in environment residing for sensor, the conductivity of sensor increases with the increase of dusty gas concentration in air.Use simple circuit the change of conductivity can be converted to the output signal corresponding with this gas concentration.
As shown in Figure 1, a kind of monitoring method of environmental parameter monitor, comprises the following steps:
The concentration of dust in step S1.PM2.5 detecting module 1 detecting air, and produce dust concentration Signal transmissions to processor 5; The concentration of the smog in smoke detection module 2 detecting air, and produce smokescope Signal transmissions to processor 5; The concentration of combustion gas in gas leakage detecting module 3 detecting air also produces gas concentration Signal transmissions to processor 5; The concentration of harmful gas in harmful gas detecting module 4 detecting air, and produce harmful gas concentration Signal transmissions to processor 5;
The concentration data value of the dust concentration signal of reception, smokescope signal, gas concentration signal and harmful gas concentration signal and its setting value contrast by step S2. processor 5 respectively, when arbitrary concentration data value of dust concentration signal, smokescope signal, gas concentration signal and harmful gas concentration signal exceedes setting value, processor produces alerting signal, and by alerting signal, dust concentration signal, smokescope signal, gas concentration signal and harmful gas concentration Signal transmissions to radio receiving transmitting module 6;
Step S3. radio receiving transmitting module 6 respectively by alerting signal, dust concentration signal, smokescope signal, gas concentration signal and harmful gas concentration Signal transmissions to exterior gateway.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. an environmental parameter monitor, is characterized in that: comprise PM2.5 detecting module (1), smoke detection module (2), gas leakage detecting module (3) and harmful gas detecting module (4), processor (5) and radio receiving transmitting module (6);
Described PM2.5 detecting module (1) for the concentration of dust in detecting air, and produces dust concentration Signal transmissions to processor (5);
Described smoke detection module (2) for the concentration of the smog in detecting air, and produces smokescope Signal transmissions to processor (5);
Described gas leakage detecting module (3) for the concentration of combustion gas in detecting air, and produces gas concentration Signal transmissions to processor (5);
Described harmful gas detecting module (4) for the concentration of harmful gas in detecting air, and produces harmful gas concentration Signal transmissions to processor (5);
Described processor (5) is for contrasting the concentration data value of the dust concentration signal of reception, smokescope signal, gas concentration signal and harmful gas concentration signal with its setting value respectively, when arbitrary concentration data value of dust concentration signal, smokescope signal, gas concentration signal and harmful gas concentration signal exceedes setting value, processor produces alerting signal, and by alerting signal, dust concentration signal, smokescope signal, gas concentration signal and harmful gas concentration Signal transmissions to radio receiving transmitting module (6);
Described radio receiving transmitting module (6) for respectively by alerting signal, dust concentration signal, smokescope signal, gas concentration signal and harmful gas concentration Signal transmissions to exterior gateway.
2. a kind of environmental parameter monitor according to claim 1, it is characterized in that: also comprise humiture detecting module (7), described humiture detecting module (7) for the humiture in detecting air, and produces temperature-humidity signal and is transferred to processor (5).
3. a kind of environmental parameter monitor according to claim 2, it is characterized in that: described humiture detecting module (7) comprises temperature sensor (701), humidity sensor (702), A/D converter (703), checksum memory (704), the combination unit (705) of interface and CRC generator, described temperature sensor (701), humidity sensor (702) is connected with described A/D converter (703) respectively with checksum memory (704), described A/D converter (703) is connected with the combination unit (705) of described interface and CRC generator.
4. a kind of environmental parameter monitor according to claim 1 or 2, it is characterized in that: also comprise power module (8), described power module (8) is for being the power supply of processor (5), PM2.5 detecting module (1), smoke detection module (2), gas leakage detecting module (3), harmful gas detecting module (4) and humiture detecting module (7).
5. a kind of environmental parameter monitor according to claim 1, is characterized in that: described radio receiving transmitting module (6) carries out A/D conversion process to alerting signal, dust concentration signal, smokescope signal, gas concentration signal and harmful gas concentration signal.
6. a kind of environmental parameter monitor according to claim 1, is characterized in that: described PM2.5 detecting module (1) detects the concentration of radius more than 0.03 μm particle in air.
7. a kind of environmental parameter monitor according to claim 1, is characterized in that: the combustion gas that described gas leakage detecting module (3) detects comprises liquefied gas, methane and coal gas.
8. a kind of environmental parameter monitor according to claim 1 or 7, is characterized in that: the concentration range of the combustion gas that described gas leakage detecting module (3) detects is 300 ~ 5000ppm.
9. a kind of environmental parameter monitor according to claim 1, is characterized in that: the sensing part of described harmful gas detecting module (4) is made up of tin ash.
10. an environmental parameter monitoring method, is characterized in that, comprises the following steps:
The concentration of dust in step S1.PM2.5 detecting module (1) detecting air, and produce dust concentration Signal transmissions to processor (5); The concentration of the smog in smoke detection module (2) detecting air, and produce smokescope Signal transmissions to processor (5); The concentration of combustion gas in gas leakage detecting module (3) detecting air also produces gas concentration Signal transmissions to processor (5); The concentration of harmful gas in harmful gas detecting module (4) detecting air, and produce harmful gas concentration Signal transmissions to processor (5);
The concentration data value of the dust concentration signal of reception, smokescope signal, gas concentration signal and harmful gas concentration signal and its setting value contrast by step S2. processor (5) respectively, when arbitrary concentration data value of dust concentration signal, smokescope signal, gas concentration signal and harmful gas concentration signal exceedes setting value, processor produces alerting signal, and by alerting signal, dust concentration signal, smokescope signal, gas concentration signal and harmful gas concentration Signal transmissions to radio receiving transmitting module (6);
Step S3. radio receiving transmitting module (6) respectively by alerting signal, dust concentration signal, smokescope signal, gas concentration signal and harmful gas concentration Signal transmissions to exterior gateway.
CN201410768380.3A 2014-12-12 2014-12-12 Environmental parameter monitor and monitoring method Pending CN104501865A (en)

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CN105046862A (en) * 2015-09-19 2015-11-11 四川精诚至强科技有限公司 Fire alarm system based on wireless network sensors
CN105139590A (en) * 2015-07-31 2015-12-09 安徽中杰信息科技有限公司 Hazardous chemical substance smoke detection circuit based on SnO2 gas-sensitive material
CN105933431A (en) * 2016-05-31 2016-09-07 华南农业大学 Agricultural material warehouse dnvironment monitoring and control system and method
CN106597869A (en) * 2017-01-24 2017-04-26 柳州得实科技有限公司 Home gas concentration control system
CN106647312A (en) * 2017-01-24 2017-05-10 柳州得实科技有限公司 Lampblack detection and purification system
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CN107045042A (en) * 2017-02-28 2017-08-15 福建中金在线信息科技有限公司 A kind of air detection method and device
CN107576354A (en) * 2017-08-07 2018-01-12 深圳益强信息科技有限公司 Parameter detecting and the system and method for monitoring
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CN108896460A (en) * 2018-08-16 2018-11-27 钟祥博谦信息科技有限公司 Gas detecting system, method, equipment and storage medium

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CN105139590A (en) * 2015-07-31 2015-12-09 安徽中杰信息科技有限公司 Hazardous chemical substance smoke detection circuit based on SnO2 gas-sensitive material
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CN106908361A (en) * 2017-01-24 2017-06-30 柳州得实科技有限公司 A kind of ambient parameter monitor
CN106597869A (en) * 2017-01-24 2017-04-26 柳州得实科技有限公司 Home gas concentration control system
CN107045042A (en) * 2017-02-28 2017-08-15 福建中金在线信息科技有限公司 A kind of air detection method and device
CN107576354A (en) * 2017-08-07 2018-01-12 深圳益强信息科技有限公司 Parameter detecting and the system and method for monitoring
CN108896460A (en) * 2018-08-16 2018-11-27 钟祥博谦信息科技有限公司 Gas detecting system, method, equipment and storage medium

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Application publication date: 20150408