CN107167561A - Intelligent formaldehyde examination system and method based on ZigBee technology - Google Patents
Intelligent formaldehyde examination system and method based on ZigBee technology Download PDFInfo
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- CN107167561A CN107167561A CN201710469495.6A CN201710469495A CN107167561A CN 107167561 A CN107167561 A CN 107167561A CN 201710469495 A CN201710469495 A CN 201710469495A CN 107167561 A CN107167561 A CN 107167561A
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/0047—Specially adapted to detect a particular component for organic compounds
-
- 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
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
Abstract
The present invention provides a kind of intelligent formaldehyde examination system and method based on ZigBee technology, and the system includes remote monitoring module, local monitor module and several formaldehyde examination nodes；The remote monitoring module is connected by internet with local monitor module；The formaldehyde examination node is connected by Zigbee wireless networks with local monitor module.The present invention can constantly detect the concentration of formaldehyde of current environment, multiple nodal tests and make full use of the features such as the characteristics of being wirelessly transferred links together each node, data are managed collectively, user is convenient constantly understand oneself where environment every nook and cranny concentration of formaldehyde.
Description
Technical field
The present invention relates to intelligent formaldehyde examination system regions, particularly a kind of intelligent formaldehyde examination based on ZigBee technology
System and method.
Background technology
Formaldehyde, chemical formula HCHO or CH2O, also known as formula weight 30.03, formaldehyde.Colourless gas, there is special penetrating odor, right
Human eye, nose etc. have stimulation.Gas relative density 1.067（Air=1）, fluid density 0.815g/cm3（-20℃）.Fusing point-
92 DEG C, -19.5 DEG C of boiling point.Soluble in water and ethanol.The concentration of the aqueous solution reaches as high as 55%, typically 40%, referred to as formalin,
It is commonly called as formalin（formalin）, it is the colourless liquid for having penetrating odor.There is strong reducing action, particularly in alkaline solution
In.Can burning, steam and air formation explosive mixture, explosion limit 7%-73%（Volume）.About 300 DEG C of ignition temperature.
The main harm of formaldehyde is shown as to mucocutaneous stimulation, when formaldehyde reaches finite concentration indoors, people
Just there is sense of discomfort.Concentration of formaldehyde more than 0.08m3 can cause furious, eye to be itched, throat discomfort or pain, hoarseness, sneeze,
Uncomfortable in chest, asthma, dermatitis etc..Newly-decorated room content of formaldehyde is higher, is the main inducing of numerous diseases.Human body is made in life
Into the formaldehyde of injury, it may be said that ubiquitous.The article being related to includes furniture, timber floor；Children's garment, wash-and-wear of shirt；Instant noodles, rice
Powder；Bubble squid, sea cucumber, Omasum, peeled shrimp；Or even car.It is not difficult to find out, clothing, food, shelter, OK --- we live most heavy
Four things wanted, formaldehyde is all had a finger in every pie unexpectedly, and ubiquitous formaldehyde makes people weighed down with anxieties.Formaldehyde formaldehyde in yarn fabric
In fibre, it is mainly used in dyeing assistant and improves wrinkle resistant, shrinkproof result resin finishing agent.Formaldehyde can make weaving
Thing it is bright in colour beautiful, keep stamp, the durability of dyeing, crease-resistant cotton fabric can be made again, shrinkproof, fire-retardant.Therefore, formaldehyde quilt
It is widely used in textile industry.With formaldehyde printing and dyeing assistant it is more be pure cotton textile, commercially available " pure cotton is wrinkle resistant " clothes
Or wash-and-wear of shirt, the auxiliary agent containing formaldehyde is all employ greatly, and formaldehyde may be discharged when wearing.Formaldehyde in children's garment is essentially from guarantor
Hold the adhesive used in the bright-coloured dyestuff attractive in appearance and Additives Products, and garment printing of children's garment color.Therefore, it is rich and gaudy and
The general content of formaldehyde of clothes of stamp is higher, and plain color clothes and then relatively low without decalcomania children's garment content of formaldehyde.These contain
The clothes of formaldehyde can all discharge formaldehyde, particularly garment for children in storage, wearing process and the formaldehyde of underwear release is produced
Raw harmfulness is maximum.Formaldehyde is the explicitly provided additive for forbidding using in food of country, must not be detected in food,
But the presence of formaldehyde has all been detected in many food in various degree.(1) it is present in water-soaked food.Because formaldehyde can keep water
Food surface bright in color is sent out, toughness and crisp sense can be increased, improves mouthfeel, can be with anti-corrosion, if soaking marine products with it
Product, can fix seafood form, keep fish color and luster.Therefore, formaldehyde is widely used in the various aquatic products that are soaked by illegal retailer
In product.The water-soaked food that in the market has detected formaldehyde mainly has：Duck's foot, Omasum, peeled shrimp, sea cucumber, fish maw, butterfish, octopus,
Content of formaldehyde in inkfish, hairtail, calamary head, the tendons of beef, mutton or pork, jellyfish, spiral shell, inkfish son etc., wherein peeled shrimp, sea cucumber and squid compared with
It is high.(2) it is present in wheaten food, mushroom or bean product.Formaldehyde can be brightened, and change color and luster, therefore formaldehyde is often used for smoking by illegal retailer
Steam or be added directly into wheaten food, in mushroom or bean product, illegal retailer fumigates relevant food with " sodium formaldehyde sulfoxylate " when brightening, can also
The removing residue formaldehyde in food.Having detected the relevant food of formaldehyde has：Mushroom, flower mushroom, ground rice, bean vermicelli, bean curd stick etc..Room air
Middle formaldehyde has become the major pollutants of influence human body health, particularly harm of the formaldehyde in air in winter to human body
It is maximum.Formaldehyde source in family of China air mainly has the following aspects：(1) the glued board that is used for indoor ornamentation, joiner
The artificial boards such as plate, medium density fibre board (MDF) and particieboard.The adhesive that production wood-based plate is used is using formaldehyde as main component, sheet material
Formaldehyde that is middle residual and having neither part nor lot in reaction gradually can discharge to surrounding environment, be the main body to form formaldehyde in indoor air.⑵
The furniture manufactured with wood-based plate.Some producers are for profit-push, using underproof sheet material, or when being bonded surface lining
Using glue inferior, sheet material and the formaldehyde severe overweight in glue.(3) outwardly distribute containing formaldehyde components and being possible to its
His all kinds of ornament materials, such as wall covering fabric, wallpaper, chemical fibre carpet, paint and coating.The size of Formaldehyde Concentration of Indoor Air
It is relevant with following four factor：Indoor temperature, indoor relative humidity, the loading degree of indoor material（The i.e. every cubic metre interior space
Formaldehyde emission material surface area）, room air circulation.Formaldehyde can be aggravated under high temperature, high humidity, negative pressure and high load condition
The dynamics distributed.The acquisition time of formaldehyde was up to 3 ~ 10 years as long as under normal circumstances.Formaldehyde is also from the other side of life.(1) first
Aldehyde may be from cosmetics, cleaning agent, insecticide, disinfectant, preservative, printing-ink, paper etc..Foam lath make house prevent
When heat, resisting cold are with insulating materials, foam aging is made under light and hot high temperature, rotten synthetic is produced and release formaldehyde.(3) hydro carbons
Formaldehyde gas can be generated through photochemical conjunction, organic matter can also generate formaldehyde through biochemical reaction, also containing substantial amounts of in burning waste gas
Formaldehyde, such as often burning 1000L gasoline can generate 7kg formaldehyde gases, or even lighting cigarette also has 0.17mg formaldehyde gases to give birth to
Into.(4) formaldehyde is also from upholstery finishing materials such as car seat support set, cushion and inside roof linings, with new car burst size of methanal most
It is prominent.(5) the formaldehyde also pollution from outdoor air, such as industrial waste gas, vehicle exhaust, photochemical fog be to a certain extent
It can discharge or produce a certain amount of formaldehyde.
ZigBee technology be it is a kind of closely, low complex degree, low-power consumption, low rate, low cost bidirectional wireless communication skill
Art.There is transmission rate highest 250kbit/s, 20kbit/s and 40kbit/s respectively, be mainly used in apart from short, low in energy consumption and biography
Carry out data transmission between the not high various electronic equipments of defeated speed and typically have periodic data, intermittent data and low
The application of reaction time data transfer.The technology is started from 2002, and last decade is quickly grown, and has wide on industry, Internet of Things
General application prospect.
The content of the invention
In view of this, the present invention proposes the intelligent formaldehyde examination system based on ZigBee technology, wireless using Zigbee
The concentration of formaldehyde of environment every nook and cranny where constantly understanding.
The present invention is realized using following scheme：A kind of intelligent formaldehyde examination system based on ZigBee technology, its feature exists
In：Including remote monitoring module, local monitor module and formaldehyde examination node；The remote monitoring module passes through internet and this
Ground monitoring module connection；The formaldehyde examination node is connected by Zigbee wireless networks with local monitor module.
In an embodiment of the present invention, the formaldehyde examination node includes terminal node and coupled concentration of formaldehyde
Sensor, exhaust fan, warning device, display screen.
In an embodiment of the present invention, the local monitor module includes processor and coupled telegon, nothing
Line router.
Further, the local monitor module also includes PC and intelligent terminal；PC and intelligent terminal pass through local respectively
Net is connected with wireless router.
Further, the local monitor module also includes a display screen being connected with processor.
In an embodiment of the present invention, the remote monitoring module includes PC and intelligent terminal.
In an embodiment of the present invention, the concentration of formaldehyde sensor uses MS1100 concentration of formaldehyde sensors.
In an embodiment of the present invention, the Zigbee wireless network nodes use TI CC2530 chips, its networking side
Formula is Star Network.
In an embodiment of the present invention, the processor uses kernel for Cortex-M3 STM32F103ZET6 chips.
The present invention also provides a kind of intelligent Analysis Methods for Formaldehyde based on ZigBee technology, and it comprises the following steps：Step
S1：Each Zigbee terminal nodes gather the concentration of formaldehyde of current environment using formaldehyde sensor；Step S2：First judge to work as proostracum
Whether aldehyde concentration exceeds concentration of formaldehyde threshold values set in advance, if being not above the threshold values by data display in the aobvious of this node
Telegon is transmitted in display screen and by ZigBee wireless networks, if it exceeds the threshold values then starts after warning system and exhaust fan again
Data display on a display screen and is transmitted to telegon；Step S3：It is reduced to Deng concentration of formaldehyde after the setting value and turns off alarm
System and exhaust fan；Step S4：Telegon receives the processor for being transmitted to local monitor using serial ports after concentration of formaldehyde data and carried out
Data analysis, storage and show on a display screen, then by data sharing local PC and intelligent terminal are given by wireless router；Step
Rapid S5：User can check the concentration of formaldehyde data of each node using remote intelligent terminal and PC by internet；Step S6：
Each formaldehyde examination node has the address set, and the concentration of formaldehyde threshold values of node passes through remote monitoring and the use of local monitor
Family end using each address of node pinpoint or some nodes of batch modification threshold values, or using each node can touch screen control
Display screen is modified the threshold values.
The present invention can constantly detect the concentration of formaldehyde of current environment, multiple nodal tests and make full use of the spy being wirelessly transferred
The features such as point links together each node, data are managed collectively, user is convenient constantly to understand oneself place each angle of environment
The concentration of formaldehyde fallen.
Brief description of the drawings
Fig. 1 is the system structure diagram of the present invention.
Embodiment
Explanation is further explained to the present invention with specific embodiment below in conjunction with the accompanying drawings.
The present invention provides a kind of intelligent formaldehyde examination system based on ZigBee technology, and it includes remote monitoring module, sheet
Ground monitoring module and formaldehyde examination node；The remote monitoring module is connected by internet with local monitor module；The first
Aldehyde detection node is connected by Zigbee wireless networks with local monitor module.
In an embodiment of the present invention, the formaldehyde examination node includes terminal node and coupled concentration of formaldehyde
Sensor, exhaust fan, warning device, display screen.
In an embodiment of the present invention, the local monitor module includes processor and coupled telegon, nothing
Line router.
Further, the local monitor module also includes PC and intelligent terminal；PC and intelligent terminal pass through local respectively
Net is connected with wireless router.
Further, the local monitor module also includes a display screen being connected with processor.
In an embodiment of the present invention, the remote monitoring module includes PC and intelligent terminal.
In an embodiment of the present invention, the concentration of formaldehyde sensor uses MS1100 concentration of formaldehyde sensors.
In an embodiment of the present invention, Zigbee wireless network nodes use TI CC2530 chips, and its networking mode is
Star Network, and except a telegon（Coordinator）Other outer formaldehyde examination nodes are all terminal node（End）.
CC2530 is the real on-chip system applied for 2.4GHz, IEEE 802.15.4, ZigBee and RF4CE（SOC）Solution
Certainly scheme.It can set up powerful network node with low-down total material cost.CC2530 employs adaptation 2.4-GHz
IEEE 802.15.4 RF transceivers, low-power consumption, microcontroller, 8-KB RAM and many other powerful functions.CC2530
There are four kinds of different flash versions：CC2530F32, CC2530F64, CC2530F128, CC2530F256, respectively with 32,64,
128,256KB flash memory.CC2530 possesses different operational modes so that the system that it adapts to super low-power consumption requirement.Run mould
Conversion time between formula is short to further ensure that low energy expenditure.
The structural representation of the specific embodiment of the invention is referring to Fig. 1.
Preferably, the display screen of the present invention uses LCD display.
The present invention also provides a kind of intelligent Analysis Methods for Formaldehyde based on ZigBee technology, and it comprises the following steps：Step
S1：Each Zigbee terminal nodes gather the concentration of formaldehyde of current environment using formaldehyde sensor；Step S2：First judge to work as proostracum
Whether aldehyde concentration exceeds concentration of formaldehyde threshold values set in advance, if being not above the threshold values by data display in the aobvious of this node
Telegon is transmitted in display screen and by ZigBee wireless networks, if it exceeds the threshold values then starts after warning system and exhaust fan again
Data display on a display screen and is transmitted to telegon；Step S3：It is reduced to Deng concentration of formaldehyde after the setting value and turns off alarm
System and exhaust fan；Step S4：Telegon receives the processor for being transmitted to local monitor using serial ports after concentration of formaldehyde data and carried out
Data analysis, storage and show on a display screen, then by data sharing local PC and intelligent terminal are given by wireless router；Step
Rapid S5：User can check the concentration of formaldehyde data of each node using remote intelligent terminal and PC by internet；Step S6：
Each formaldehyde examination node has the address set, and the concentration of formaldehyde threshold values of node passes through remote monitoring and the use of local monitor
Family end using each address of node pinpoint or some nodes of batch modification threshold values, or using each node can touch screen control
Display screen is modified the threshold values.
Above is presently preferred embodiments of the present invention, all changes made according to technical solution of the present invention, produced function is made
During with scope without departing from technical solution of the present invention, protection scope of the present invention is belonged to.
Claims (10)
1. a kind of intelligent formaldehyde examination system based on ZigBee technology, it is characterised in that：Including remote monitoring module, local prison
Control module and several formaldehyde examination nodes；The remote monitoring module is connected by internet with local monitor module；It is described
Formaldehyde examination node is connected by Zigbee wireless networks with local monitor module.
2. the intelligent formaldehyde examination system according to claim 1 based on ZigBee technology, it is characterised in that：The formaldehyde
Detection node includes terminal node and coupled concentration of formaldehyde sensor, exhaust fan, warning device, display screen.
3. the intelligent formaldehyde examination system according to claim 1 based on ZigBee technology, it is characterised in that：It is described local
Monitoring module includes processor and coupled telegon, wireless router.
4. the intelligent formaldehyde examination system according to claim 3 based on ZigBee technology, it is characterised in that：It is described local
Monitoring module also includes PC and intelligent terminal；PC and intelligent terminal are connected by LAN with wireless router respectively.
5. the intelligent formaldehyde examination system according to claim 3 based on ZigBee technology, it is characterised in that：It is described local
Monitoring module also includes a display screen being connected with processor.
6. the intelligent formaldehyde examination system according to claim 1 based on ZigBee technology, it is characterised in that：It is described long-range
Monitoring module includes PC and intelligent terminal.
7. the intelligent formaldehyde examination system according to claim 1 based on ZigBee technology, it is characterised in that：The formaldehyde
Concentration sensor uses MS1100 concentration of formaldehyde sensors.
8. the intelligent formaldehyde examination system according to claim 1 based on ZigBee technology, it is characterised in that：It is described
Zigbee wireless network nodes use TI CC2530 chips, and its networking mode is Star Network.
9. the intelligent formaldehyde examination system according to claim 1 based on ZigBee technology, it is characterised in that：The processing
Device uses kernel for Cortex-M3 STM32F103ZET6 chips.
10. a kind of intelligent Analysis Methods for Formaldehyde based on ZigBee technology, it is characterised in that：Comprise the following steps：
Step S1：Each Zigbee terminal nodes gather the concentration of formaldehyde of current environment using formaldehyde sensor；
Step S2：First judge whether current concentration of formaldehyde exceeds concentration of formaldehyde threshold values set in advance, if being not above the valve
Data display on the display screen of this node and is transmitted to telegon by value by ZigBee wireless networks, if it exceeds the threshold values is then
Start after warning system and exhaust fan and data display on a display screen and to be transmitted to telegon again；
Step S3：Warning system and exhaust fan are turned off after being reduced to the setting value Deng concentration of formaldehyde；
Step S4：Telegon receive after concentration of formaldehyde data using serial ports be transmitted to local monitor processor carry out data analysis,
Storage and show on a display screen, then by wireless router by data sharing give local PC and intelligent terminal；
Step S5：User can check the concentration of formaldehyde data of each node using remote intelligent terminal and PC by internet；
Step S6：Each formaldehyde examination node has an address set, the concentration of formaldehyde threshold values of node by remote monitoring and
The user terminal of local monitor is using each address of node fixed point or the threshold values of some nodes of batch modification, or utilizes each node
Can touch screen control display screen modify the threshold values.
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| CN201710469495.6A CN107167561A (en) | 2017-06-20 | 2017-06-20 | Intelligent formaldehyde examination system and method based on ZigBee technology |
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| CN201710469495.6A CN107167561A (en) | 2017-06-20 | 2017-06-20 | Intelligent formaldehyde examination system and method based on ZigBee technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108490995A (en) * | 2018-04-18 | 2018-09-04 | 佛山市梅雨科技有限公司 | A kind of room air pollution monitoring system |
| CN112179952A (en) * | 2020-09-25 | 2021-01-05 | 天津扬帆科技有限公司 | Anti-interference formaldehyde detection system for monitoring formaldehyde concentration in real time |
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| CN104330527A (en) * | 2014-10-22 | 2015-02-04 | 上海纳普信息科技有限公司 | Formaldehyde monitoring system based on wireless technology |
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| CN104330527A (en) * | 2014-10-22 | 2015-02-04 | 上海纳普信息科技有限公司 | Formaldehyde monitoring system based on wireless technology |
| CN105354554A (en) * | 2015-11-12 | 2016-02-24 | 西安电子科技大学 | Color and singular value feature-based face in-vivo detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108490995A (en) * | 2018-04-18 | 2018-09-04 | 佛山市梅雨科技有限公司 | A kind of room air pollution monitoring system |
| CN112179952A (en) * | 2020-09-25 | 2021-01-05 | 天津扬帆科技有限公司 | Anti-interference formaldehyde detection system for monitoring formaldehyde concentration in real time |
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