CN206906342U - Air pollution surveillance system based on ZigBee-network - Google Patents
Air pollution surveillance system based on ZigBee-network Download PDFInfo
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- CN206906342U CN206906342U CN201720779233.5U CN201720779233U CN206906342U CN 206906342 U CN206906342 U CN 206906342U CN 201720779233 U CN201720779233 U CN 201720779233U CN 206906342 U CN206906342 U CN 206906342U
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Abstract
It the utility model is related to the air pollution surveillance system based on ZigBee-network, including detection node, host computer and server；Detection node is communicated to connect with host computer, and host computer is connected with server communication；Detection node includes ZigBee chips, antenna, data acquisition module, height above sea level positioning circuit and power module；Power module is powered to ZigBee chips, data acquisition module and height above sea level positioning circuit, and data acquisition module, height above sea level positioning circuit and antenna electrically connect with ZigBee chips；Detection node also includes clock circuit and reset circuit, and the two is electrically connected with ZigBee chips.The utility model carries out air pollution monitoring using wireless sensor network, and deployment is simple, flexible, and monitoring node has mobility；Monitoring Data can be reflected in real time, remote monitoring can be carried out, intelligence degree is high；Run and safeguard that simple and convenient, newly-increased sensor node can be automatically added in monitoring network, be adapted to large-scale promotion application.
Description
Technical field
The utility model belongs to Detection of Air Quality technical field, and in particular to a kind of air based on ZigBee-network is dirty
Contaminate monitoring system.
Background technology
As contemporary society industrializes, the development of urbanization, the situation getting worse of air pollution, there is an urgent need to develop one
The air pollution surveillance system that set scalability is strong, easily safeguards, be safe and effective, can be monitored in real time.At present, China pair
The method of urban air pollution monitoring mainly has two kinds：The method that Traditional Man samples lab analysis；Utilize external import
The method that automation air environment monitoring equipment is monitored on-line.The first method sampling time is grown, easily by human factor
Influence, the health of the very high monitoring field meeting nociceptive neurons personnel of harmful gas concentration.Second method scalability, spirit
Poor activity, it is unable to do what one wishes to burst air ambient contamination accident.
Moreover, current air pollution monitoring data basic source is in ground air quality-monitoring net, can not also be specifically
Coupled reaction, temporal-spatial evolution process and contribution to regional pollution of bright each pollutant etc..Therefore air pollution monitoring technology
Near the ground and more high spatial pollution monitoring should be done step-by-step and be combined to the transition of omnibearing stereo direction.
During stereoscopic monitoring, it is sometimes desirable to upper collection air quality data at various height, for example, research high-altitude
The main physicochemical property and Characteristics of Vertical Distribution of fine particle.So high-precision elevation information is supervised for ambient air quality
Survey has great importance.
Traditional environmental monitoring elevation information is typically provided by GPS system, it is well known that although GPS pair warp and wefts degree positions
Very high precision is reached, but has been in the presence of very big error, hence for grinding to the positioning precision of height above sea level
The air pollution monitoring for studying carefully different height has large effect, have impact on the precision of Monitoring Data.
Utility model content
In view of this, the purpose of this utility model is overcome the deficiencies in the prior art, there is provided one kind is based on ZigBee nets
The air pollution surveillance system of network.
To realize object above, the utility model adopts the following technical scheme that：
Air pollution surveillance system based on ZigBee-network, including detection node, host computer and server；The detection
Node is communicated to connect with the host computer, and the host computer is connected with the server communication；
The detection node includes ZigBee chips, antenna, data acquisition module, height above sea level positioning circuit and power module；
The power module is powered to the ZigBee chips, data acquisition module and height above sea level positioning circuit, the data acquisition module,
Height above sea level positioning circuit and antenna electrically connect with the ZigBee chips；
The detection node also includes clock circuit and reset circuit, and the two is electrically connected with the ZigBee chips.
The data acquisition module turns including Temperature Humidity Sensor, carbon monoxide transducer, SO 2 sensor and A/D
Change circuit, the Temperature Humidity Sensor, carbon monoxide transducer and SO 2 sensor by the A/D change-over circuits with
The ZigBee chips electrical connection.
The height above sea level positioning circuit includes GPS module and baroceptor, and the two is electrically connected with the ZigBee chips.
The power module includes one piece of voltage stabilizing chip, and its input and output end are used with two electric capacity earths
To filter out ripple.
The host computer includes ZigBee telegons and computer；The detection node and the ZigBee telegons are wireless
Communication connection, the ZigBee telegons and the computer wired connection, the computer pass through internet and the service
Device communicates to connect.
The host computer also includes the alarm module electrically connected with the ZigBee telegons；The alarm module is GSM
Module.
The detection node also includes the infrared sensor electrically connected with the ZigBee chips, and the infrared sensor is used
In having detected whether that human body is close.
The detection node also includes the spare interface circuit electrically connected with the ZigBee chips.
The spare interface circuit includes jtag interface and UART interface.
The antenna uses flagpole antenna.
The utility model uses above technical scheme, and air pollution monitoring, deployment letter are carried out using wireless sensor network
Single, flexible, monitoring node has mobility；Monitoring Data can be reflected in real time, remote monitoring, intelligence degree can be carried out
It is high；Run and safeguard that simple and convenient, newly-increased sensor node can be automatically added in monitoring network, be adapted to push away on a large scale
Wide application.The utility model devises the height measurement circuit being made up of GPS and baroceptor, is obtained by baroceptor
High-precision pressure information, and using the relation between air pressure and height above sea level, the elevation information obtained to GPS module is repaiied
Just, high-precision altitude info ination is obtained.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is air pollution surveillance system structural representation of the utility model based on ZigBee-network；
Fig. 2 is the detection node circuit structure signal of air pollution surveillance system of the utility model based on ZigBee-network
Figure；
Fig. 3 is the physical circuit figure of power module in Fig. 2.
In figure：1- detection nodes；11-ZigBee chips；12- antennas；13- data acquisition modules；14- height above sea level positioning electricity
Road；15- power modules；16- clock circuits；17- reset circuits；18- infrared sensors；19- spare interface circuits；2- is upper
Machine；3- servers.
Embodiment
, below will be to technology of the present utility model to make the purpose of this utility model, technical scheme and advantage clearer
Scheme is described in detail.Obviously, described embodiment is only the utility model part of the embodiment, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not before creative work is made
Resulting all other embodiment is put, belongs to the scope that the utility model is protected.
As shown in figure 1, the utility model provides a kind of air pollution surveillance system based on ZigBee-network, including detection
Node 1, host computer 2 and server 3；Detection node 1 communicates to connect with host computer 2, and host computer 2 communicates to connect with server 3.Its
In, a server 3 can correspond to multiple host computers 2, and a host computer 2 can correspond to multiple detection nodes 1.
Further, host computer 2 includes ZigBee telegons and computer；Detection node 1 and ZigBee telegons are wireless
Communication connection, ZigBee telegons and computer wired connection, computer are communicated to connect by internet and server 3.
Further, host computer 2 also includes the alarm module electrically connected with ZigBee telegons；Alarm module is GSM
Module.When detection node 1 detects abnormal data, gsm module sends short message to default phone number and alarmed.
As shown in Fig. 2 detection node 1 includes ZigBee chips 11, antenna 12, data acquisition module 13, height above sea level positioning electricity
Road 14 and power module 15；Power module 15 is powered to ZigBee chips 11, data acquisition module 13 and height above sea level positioning circuit 14,
Data acquisition module 13, height above sea level positioning circuit 14 and antenna 12 electrically connect with ZigBee chips 11.
ZigBee chips 11 use model CC2530 chip, and this chip supports IEEE802.15.4 agreements, it
Rated operational voltage is 3.3V.The chip has multiple-working mode, and the switching time between operational mode and sleep pattern is non-
Often short, the power consumption mode of sleep pattern is very low, therefore its system for can adapt to super low-power consumption, is supervised suitable for positioning and environment
In examining system.
Antenna 12 uses flagpole antenna 12.The power of this antenna 12 is big, and transmitting range is remote.
Detection node 1 also includes clock circuit 16 and reset circuit 17, and the two is electrically connected with ZigBee chips 11.
Reset circuit 17 is used to restart module and initialize, and reset circuit 17 has important work for the stability of system
With.The utility model utilizes button hand-reset, the RESET_N pins of a chip termination of button, a termination GND, works as button
Can be to chip reset when being pressed.
Data acquisition module 13 includes Temperature Humidity Sensor, carbon monoxide transducer, SO 2 sensor and A/D conversions
Circuit, Temperature Humidity Sensor, carbon monoxide transducer and SO 2 sensor pass through A/D change-over circuits and ZigBee chips
11 electrical connections.
The utility model gathers the humiture information in environment using model DHT11 digital hygro sensor,
The sensor has the advantages that the quality of brilliance, very high cost performance, strong anti-interference ability, super fast response.Considering
In the case of the factors such as energy consumption, measurement accuracy, measurement range, cost, volume, the carbon monoxide transducer model CO/ of selection
CF-1000, SO 2 sensor model SO2/CF-100.
It should be noted that the sensor configured in the utility model is not limited in cited three kinds, specific
, can various types of sensors of flexible configuration as needed in implementation process.
Height above sea level positioning circuit 14 includes GPS module and baroceptor, and the two is electrically connected with ZigBee chips 11.
It is well known that height above sea level and atmospheric pressure have the corresponding relation determined, height above sea level is higher, and atmospheric pressure is lower.Therefore,
The utility model devises the altitude measurement system being made up of GPS and baroceptor, and high accuracy is obtained by baroceptor
Pressure information, and using the relation between air pressure and height above sea level, the elevation information obtained to GPS module is modified, obtained
Obtain high-precision altitude info ination.
Detection node 1 also includes the infrared sensor 18 electrically connected with ZigBee chips 11, and infrared sensor 18 is used to examine
Whether survey has human body close.The ray that passive infrared sensor 18 is sent according to the infrared wavelength that human body is sent with other objects
Difference determine whether there is human body invasion, turn into most popular human body sensing at present because its cheap and stability is good
Sensor.
The utility model selects HC-SR501 type human body infrared induction modules, and it has low-power consumption, high sensitivity, reliability
The characteristics of high.Infrared sensor 18 monitor surrounding enviroment whether there is heat to release infrared signal, when human body close to when pass through ZigBee cores
Piece 11 sends abnormal signal to host computer 2, and the gsm module in host computer 2 sends alarm.Infrared sensor 18 can be divided into actively
Formula and passive type.
Detection node 1 also includes the spare interface circuit 19 electrically connected with ZigBee chips 11.Spare interface circuit 19 wraps
Include jtag interface and UART interface.
As shown in figure 3, power module 15 includes one piece of voltage stabilizing chip, its input and output end are with two electric capacity parallel connections
Ground connection, to filter out ripple.
The model REG1117-3.3 of voltage stabilizing chip, there is provided two kinds of current output modes of 800mA and 1A.The utility model
In order to save space, the power consumption of system is reduced in the case where ensureing performance, from 800mA output modes.Stability is good, clutter
Few power supply is extremely important to system, in order to increase the stability of system, input of the power module 15 to photovoltaic conversion chip
Processing is filtered with output end.Input and output end are in parallel with 10 high-quality μ F tantalums electric capacity and 0.1 μ F conventional capacitives
Ground connection.In figure, C1 and C3 are tantalum electric capacity, and C2 and C4 are conventional capacitive.
The utility model can monitor air quality in real time, accurately and timely reflect air pollution, there is provided exist in real time
Line warning function.Monitored area is divided into some subregions by the system, is distributed some detection nodes 1 in a sub-regions, these
Detection node 1 can easily carry out MANET；And each detection node 1 can configure corresponding sensing as needed
Device, to monitor the gas such as the temperature of air ambient, humidity, air pressure, total pellet, CO, CO2, NO, NO2, SO2
Concentration.
The utility model has the characteristics that：1) scalability is good, is easy to dispose, and can easily carry out MANET, fits
Close large-scale promotion application；2) flexible power supply mode, the limitation of place power supply not monitored；3) monitoring number can be reflected in real time
According to remote monitoring can be carried out, intelligence degree is high；4) warning function is provided.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with the power
The protection domain that profit requires is defined.
Claims (10)
1. the air pollution surveillance system based on ZigBee-network, it is characterised in that：Including detection node, host computer and service
Device；The detection node is communicated to connect with the host computer, and the host computer is connected with the server communication；
The detection node includes ZigBee chips, antenna, data acquisition module, height above sea level positioning circuit and power module；It is described
Power module is to the ZigBee chips, data acquisition module and the power supply of height above sea level positioning circuit, the data acquisition module, height above sea level
Positioning circuit and antenna electrically connect with the ZigBee chips；
The detection node also includes clock circuit and reset circuit, and the two is electrically connected with the ZigBee chips.
2. the air pollution surveillance system according to claim 1 based on ZigBee-network, it is characterised in that：The data
Acquisition module includes Temperature Humidity Sensor, carbon monoxide transducer, SO 2 sensor and A/D change-over circuits, described warm and humid
Degree sensor, carbon monoxide transducer and SO 2 sensor pass through the A/D change-over circuits and the ZigBee chips
Electrical connection.
3. the air pollution surveillance system according to claim 1 based on ZigBee-network, it is characterised in that：The height above sea level
Positioning circuit includes GPS module and baroceptor, and the two is electrically connected with the ZigBee chips.
4. the air pollution surveillance system according to claim 1 based on ZigBee-network, it is characterised in that：The power supply
Module includes one piece of voltage stabilizing chip, and its input and output end are with two electric capacity earths, to filter out ripple.
5. the air pollution surveillance system according to claim 1 based on ZigBee-network, it is characterised in that：It is described upper
Machine includes ZigBee telegons and computer；The detection node is connected with the ZigBee telegons radio communication, described
ZigBee telegons and the computer wired connection, the computer are connected by internet with the server communication.
6. the air pollution surveillance system according to claim 5 based on ZigBee-network, it is characterised in that：It is described upper
Machine also includes the alarm module electrically connected with the ZigBee telegons；The alarm module is gsm module.
7. the air pollution surveillance system according to claim 6 based on ZigBee-network, it is characterised in that：The detection
Node also includes the infrared sensor electrically connected with the ZigBee chips, and the infrared sensor is for detecting whether there is human body
It is close.
8. the air pollution surveillance system according to any one of claim 1 to 7 based on ZigBee-network, its feature exist
In：The detection node also includes the spare interface circuit electrically connected with the ZigBee chips.
9. the air pollution surveillance system according to claim 8 based on ZigBee-network, it is characterised in that：It is described standby
Interface circuit includes jtag interface and UART interface.
10. the air pollution surveillance system according to any one of claim 1 to 5 based on ZigBee-network, its feature exist
In：The antenna uses flagpole antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720779233.5U CN206906342U (en) | 2017-06-29 | 2017-06-29 | Air pollution surveillance system based on ZigBee-network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720779233.5U CN206906342U (en) | 2017-06-29 | 2017-06-29 | Air pollution surveillance system based on ZigBee-network |
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| CN206906342U true CN206906342U (en) | 2018-01-19 |
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ID=61292682
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108171954A (en) * | 2018-02-10 | 2018-06-15 | 深圳森阳环保材料科技有限公司 | Air pollution intelligent real time monitoring system |
| CN108614081A (en) * | 2018-06-19 | 2018-10-02 | 吉林大学 | A kind of partition type air detection method |
| CN112954634A (en) * | 2019-11-26 | 2021-06-11 | 李猛 | Chemical industry enterprise toxic gas leakage monitoring device based on WSN |
-
2017
- 2017-06-29 CN CN201720779233.5U patent/CN206906342U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108171954A (en) * | 2018-02-10 | 2018-06-15 | 深圳森阳环保材料科技有限公司 | Air pollution intelligent real time monitoring system |
| CN108614081A (en) * | 2018-06-19 | 2018-10-02 | 吉林大学 | A kind of partition type air detection method |
| CN112954634A (en) * | 2019-11-26 | 2021-06-11 | 李猛 | Chemical industry enterprise toxic gas leakage monitoring device based on WSN |
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