CN108168602A - A kind of toxic gas diffusion monitoring system and its monitoring method - Google Patents
A kind of toxic gas diffusion monitoring system and its monitoring method Download PDFInfo
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- CN108168602A CN108168602A CN201711345453.8A CN201711345453A CN108168602A CN 108168602 A CN108168602 A CN 108168602A CN 201711345453 A CN201711345453 A CN 201711345453A CN 108168602 A CN108168602 A CN 108168602A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a kind of toxic gas diffusions to monitor system, including terminal node, data monitoring management platform, server, web publishing platform and client;The present invention also provides a kind of toxic gas diffusion monitoring methods, include the following steps:The poison gas environmental parameter detected is transmitted to data monitoring management platform by terminal node;Data monitoring management Platform Analysis judges whether every poison gas environmental parameter is normal, will analyze and determine that result stores to local data base and exports display;Data monitoring management platform will analyze and determine that result is sent to server and carries out cloud storage backup simultaneously, is forwarded to web publishing platform and client by server, realizes multi-platform monitoring.The present invention combines more monitor terminals, realizes the extension for monitoring, accomplishing to give warning in advance, prevent accident long-range for a long time, support personnel, equipment safety to target poison gas.
Description
Technical field
The present invention relates to a kind of toxic gas diffusions to monitor system, further relates to a kind of toxic gas diffusion monitoring method, belongs to chemical industry skill
Art field.
Background technology
During toxic gas diffusion, temperature, the difference of humidity can make toxic gas diffusion model different, the variation of wind direction, wind speed
Also the dispersal direction and diffusion velocity of poison gas can greatly be changed, and the variation of its boundary is rapid, visually can not directly observe, it is difficult to
Effectively monitoring result is verified.
Invention content
It is an object of the invention to overcome deficiency of the prior art, a kind of toxic gas diffusion monitoring system and its monitoring are provided
Method solves toxic gas diffusion in the prior art and monitors the technical issues of the degree of automation is not high, monitoring real-time is poor.
In order to solve the above technical problems, the technical solution adopted in the present invention is:A kind of toxic gas diffusion monitors system, including
Terminal node, data monitoring management platform, server, web publishing platform and client;The poison gas that terminal node will detect
Environmental parameter is transmitted to data monitoring management platform;Whether just data monitoring management Platform Analysis judges every poison gas environmental parameter
Often, it will analyze and determine that result stores to local data base and exports display;Data monitoring management platform will be analyzed and determined and be tied simultaneously
Fruit is sent to server and carries out cloud storage backup, is forwarded to web publishing platform and client by server, realizes multi-platform
Monitoring.
The terminal node is connect through Wireless Heterogeneous Networks with data monitoring management platform wireless signal.
The terminal node includes:Zigbee terminal nodes and NRF terminal nodes.
The Zigbee terminal nodes include:First sensor module, the first Arduino chips and ZigBee function moulds
Block;The poison gas environmental parameter detected is transmitted to the first Arduino chips, each poison gas by first sensor module through analog-to-digital conversion
Environmental parameter is transmitted to ZigBee function modules after the first Arduino chip processings, and ZigBee function modules are wireless through first
Poison gas environmental parameter is transmitted to data monitoring management platform by radio-frequency module.
The NRF terminal nodes include:Second sensor module, the 2nd Arduino chips and NRF wireless transparent transmission modules;
The poison gas environmental parameter detected is transmitted to the 2nd Arduino chips, each poison gas ring by second sensor module through analog-to-digital conversion
Border parameter is transmitted to NRF wireless transparent transmission modules after the 2nd Arduino chip processings, and NRF wireless transparent transmissions module is wireless through second
Poison gas environmental parameter is transmitted to data monitoring management platform by radio-frequency module.
The first sensor module, second sensor module respectively include:Temperature sensor, humidity sensor and light intensity
Sensor.
The data result handled well is sent to server by the data monitoring management platform by TCP communications protocol.
The client includes Android mobile phone client.
The present invention also provides a kind of toxic gas diffusion monitoring method, including terminal node, data monitoring management platform, service
Device, web publishing platform and client;Specifically comprise the following steps:
The poison gas environmental parameter detected is transmitted to data monitoring management platform by terminal node;Data monitoring management platform
It analyzes and determines whether every poison gas environmental parameter is normal, will analyze and determine that result stores to local data base and exports display;Together
When data monitoring management platform by analyze and determine result be sent to server carry out cloud storage backup, website is forwarded to by server
Monitor supervision platform and client realize multi-platform monitoring.
Compared with prior art, the advantageous effect that the present invention is reached:
Background computer is transferred to by Wireless Heterogeneous Networks carry out calculating analysis using the mode of wireless radio frequency transmission;Knot
More monitor terminals are closed, the extension for monitoring, accomplishing to give warning in advance, prevent accident long-range for a long time to target poison gas is realized, ensures
Personnel, equipment safety.
Description of the drawings
Fig. 1 is the structure diagram of toxic gas diffusion monitoring system provided by the invention.
Fig. 2 is the structure diagram of Zigbee terminal nodes in Fig. 1;
Fig. 3 is the structure diagram of NRF terminal nodes in Fig. 1;
Fig. 4 is the Organization Chart of server in Fig. 1.
Specific embodiment
The present invention is using Internet of Things as platform, and using modular thought, collection sensor, communication, computer, webpage are shown in real time
Show, be locally stored, cloud storage backup, the technologies such as Android mobile phone real-time display in one, by disposing hundreds of terminals in plant area
Node, using the process of diffusion property and light spot shape controllability the simulation toxic gas Release and dispersion of visible ray, using wireless
The mode of radio frequency transmission is transferred to background computer by Wireless Heterogeneous Networks and carries out calculating analysis.
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and be not intended to limit the protection scope of the present invention and limit the scope of the invention.
As shown in Figure 1, it is the structure diagram of toxic gas diffusion monitoring system provided by the invention, mainly by Zigbee terminal sections
Point, NRF terminal nodes, data monitoring management platform, server, web publishing platform and Android mobile phone client are formed.Eventually
The poison gas environmental parameter detected is transferred to data monitoring management platform by end node by Wireless Heterogeneous Networks, by data monitoring
Management platform processing, comprehensive analysis items poison gas environmental parameter, judge whether data are normal, and will analyze and determine that result output is aobvious
Show, then store data into local data base.The number that data monitoring management platform will also be handled well by TCP communications protocol simultaneously
Server is sent to according to result and carries out cloud storage backup, mobile phone and web publishing platform are forwarded to by server, is realized mostly flat
Platform monitors.
As shown in Fig. 2, be the structure diagram of Zigbee terminal nodes, ZigBee terminal nodes include sensor assembly,
Arduino (ATmega328) and ZigBee function modules.
Humidity sensor uses DHT11, and moisture measurement precision is ± 5%RH.Temperature sensor selects DS18B20, measures
Precision is ± 0.5 DEG C.Light intensity sensor uses GV-30 number optical modules, and operating temperature is that -40 DEG C~+85 DEG C interfaces are I2C
Bus interface (support of f/s patterns), it is little to the dependence of light source.
CC2530F256 has 256K Flash, is TI companies latest generation zigbee SOC chips.There are 8 tunnel independence ADC moulds
Number converter, wherein 6 tunnels, for acquiring sensing data, 2 tunnels are used for the real time monitoring of supply voltage.Interface is equally compatible with other
The voltage sensor of type facilitates different application scenarios to use different sensors.
As shown in figure 3, it is the structure diagram of NRF terminal nodes;NRF terminal nodes include sensor assembly, Arduino
(ATmega328) and NRF wireless transparent transmission modules.The sensor assembly that it is carried is consistent with ZigBee terminal nodes, comprising warm, wet
Spend sensor and light intensity sensor.
NRF wireless transparent transmission modules are that the monolithic for the ISM band for being operated in 2.4GHz-2.5GHz produced by NORDIC is wireless
Transponder chip.It is with low-power consumption, the features such as radiofrequency signal transmitted at high speed, strong interference immunity.Output power channel selection and
The setting of agreement can be configured by SPI interface.Various singlechip chips are almost may be coupled to, and complete wireless data
Transmit work.Its low cost, strong interference immunity the characteristics of convenient for wireless monitor system structure.
For toxic gas diffusion monitoring system provided by the invention using Web server as system server, it is by one
Interface carries out data interaction with mobile terminal, and client database thereafter is accessed by way of JDBC, by connecting database, looking into
It askes, update or insertion record to complete the access to back-end data base.The framework of Web server is as shown in Figure 4.Using open
Openfire as the communication server, immediate communication platform of the server as mobile wireless monitoring system, realizes pipe whereby
Instant messaging between reason personnel and server end.It carries out node-to-node by using the XML stream based on XMPP protocol
Message is sent.For the connection of each client, a session relevant with client address structure is established and in the upper of session
Hereinafter carry out sending and receiving for message.The instant messaging of the mobile monitoring terminals such as final realization and Android intelligence.
The Software for Design of toxic gas diffusion monitoring system provided by the invention is specific as follows:
1st, the Zigbee wireless network softwares design based on Z-Stack protocol stacks
First, GenricApp routines are selected, create the engineering of oneself, change bottom to adapt to the hardware circuit of oneself.
The task ID of oneself is added in engineering, the event added in task mainly includes key-press event, wireless receiving event, serial ports and connects
Receipts event, the event of timers trigger, wherein the event generated using timer timesharing have gas concentration lwevel collection event,
Temperature acquisition event, humidity collection event, wind speed collection event, wind direction collection event, the transmission event of data, dormant event and
The detection of power supply and control event, in addition receiving node also to add a serial ports and send event.Serial ports is added in receiving node
Transmission event often receives the data that a terminal node is sent and just completes a serial ports transmission event.Complete bottom and task ID
Addition after, APP layers initialize serial ports, initialization timer, initialization power detecting and control program, and complete serial ports and
The setting of timer.Serial ports uses serial ports 0, wherein flow control is not selected, the 38400bit/s of baud rate selection acquiescence.Timer
Using the timer 3 of 8, operation mode uses Clear Timer On Compare, and channel pattern uses Output_
Compare compares output mode, sets and an Interruption is generated per 1ms, the cumulative of Count variables is realized in interruption, when tired
Just it generates a task events when being added to the value of setting, realizes timing acquiring data, timing transmission data, periodically into suspend mode,
A series of orderly work such as timing wake-up.The ID number of NV is set, and creates NV, opens nonvolatile memory, to preserve
The important information of the nodes such as the network information.
2nd, the data monitoring management Platform Designing based on QT
The signal of Qt, mechanism slot have been used in many places of writing of data monitoring management platform, are read including serial data, button
Event, slide bar event and drawing event etc..The signal of Qt occurs with slot with functional form, and the window member of Qt has much in advance
The signal of definition can add in signal by inheriting.When program starts to start, three sub-line journeys are created first, including master
Thread (processing interface operation), serial ports thread (receive data and handle) and TCP send thread and (send data to network service
Device).When serial ports has data arrival, the signal slot of sending/receiving data is touched, is handled data receiver and accordingly, and by number
According to storage to database.The data for being stored in database are just passed through TCP by program setting with JSON forms at regular intervals
Socket is sent to network service.
3rd, the design of server database
The information that this system is related to has:Nodal information, temperature, warning information, concentration of toxic gases, humidity.These letters
Breath can be retained in the database, as shown in Table 1 in the form of tables of data.
Table one:System information data table
Field | Type | Description |
Model ID | Char | Node serial number |
Status | Byte | Alarm state |
Temperature | Char | Temperature |
Gas Concentration | Char | Concentration of toxic gases |
Humidity | Char | Humidity |
Index technology can improve the speed of data query well.For tables of data, secondary index, level-one rope are increased
It is ID to draw, and secondary index is Status.When the relevant information for wanting query node, relative recording can be navigated to faster.This
Sample just improves the access speed of database.
4th, the network monitoring Platform Designing based on internet
System uses " server push " technology based on HTTP long connections, realizes that " server push " browser is sent out using AJAX
Go out XMLHttpRequest request, received server-side to request after, can blocking request until have data or time-out just return,
Browser JS sends out request again after processing request return information (time-out or valid data), re-establishes connection.In this phase
Between server end may there are new data to reach, server can select data to preserve, until re-establishing connection, browsing
Device can disposably fetch all data.
Client JavaScript response processing function can be after the information for having handled server return, and sending out again please
It asks, re-establishes connection.When client process receive data, re-establish connection when, server end may have new data
It reaches;These information can be preserved by server end until client re-establishes connection, and client can be once current server
Hold all information retrievals.
5th, Android mobile phone client monitoring application design
Android mobile phone client is established with network server and is connected, and the number that network server returns just is read after successful connection
According to.According to some parameter informations that network server returns, it is shown in the monitoring that data are carried out on interface.The software can be brushed periodically
New data and manual refreshing data, so when network server receives new data, cell-phone customer terminal end can timely update number
According to.
A kind of toxic gas diffusion monitoring method provided by the invention is realized based on above system, including terminal node, number
According to monitoring management platform, server, web publishing platform and client;Specifically comprise the following steps:Terminal node will detect
Poison gas environmental parameter be transmitted to data monitoring management platform;Data monitoring management Platform Analysis judges every poison gas environmental parameter
It is whether normal, it will analyze and determine that result stores to local data base and exports display;Data monitoring management platform will be analyzed simultaneously
Judging result is sent to server and carries out cloud storage backup, and web publishing platform and client are forwarded to by server, realizes
Multi-platform monitoring.
The present invention combines more monitor terminals, realizes to the long-range monitoring for a long time of target poison gas, accomplishes to give warning in advance, prevents thing
Therefore extension, support personnel, equipment safety.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of toxic gas diffusion monitors system, which is characterized in that including terminal node, data monitoring management platform, server, net
It stands monitor supervision platform and client;
The poison gas environmental parameter detected is transmitted to data monitoring management platform by terminal node;Data monitoring management Platform Analysis
Judge whether every poison gas environmental parameter is normal, will analyze and determine that result stores to local data base and exports display;Number simultaneously
It will analyze and determine that result is sent to server and carries out cloud storage backup according to monitoring management platform, web publishing be forwarded to by server
Platform and client realize multi-platform monitoring.
2. toxic gas diffusion according to claim 1 monitors system, which is characterized in that the terminal node is through wireless isomer network
Network is connect with data monitoring management platform wireless signal.
3. toxic gas diffusion according to claim 1 monitors system, which is characterized in that the terminal node includes:
Zigbee terminal nodes and NRF terminal nodes.
4. toxic gas diffusion according to claim 3 monitors system, which is characterized in that the Zigbee terminal nodes include:
First sensor module, the first Arduino chips and ZigBee function modules;
The poison gas environmental parameter detected is transmitted to the first Arduino chips, each poison by first sensor module through analog-to-digital conversion
Gas environmental parameter is transmitted to ZigBee function modules after the first Arduino chip processings, and ZigBee function modules are through the first nothing
Poison gas environmental parameter is transmitted to data monitoring management platform by line radio-frequency module.
5. toxic gas diffusion according to claim 4 monitors system, which is characterized in that the NRF terminal nodes include:Second
Sensor assembly, the 2nd Arduino chips and NRF wireless transparent transmission modules;
The poison gas environmental parameter detected is transmitted to the 2nd Arduino chips, each poison by second sensor module through analog-to-digital conversion
Gas environmental parameter is transmitted to NRF wireless transparent transmission modules after the 2nd Arduino chip processings, and NRF wireless transparent transmission modules are through second
Poison gas environmental parameter is transmitted to data monitoring management platform by wireless radio frequency modules.
6. toxic gas diffusion according to claim 5 monitors system, which is characterized in that the first sensor module, second
Sensor assembly respectively includes:Temperature sensor, humidity sensor and light intensity sensor.
7. toxic gas diffusion according to claim 1 monitors system, which is characterized in that the data monitoring management platform passes through
The data result handled well is sent to server by TCP communications protocol.
8. toxic gas diffusion according to claim 1 monitors system, which is characterized in that the client includes Android mobile phone visitor
Family end.
9. a kind of toxic gas diffusion monitoring method, including terminal node, data monitoring management platform, server, web publishing platform
And client;It is characterized in that, specifically comprise the following steps:
The poison gas environmental parameter detected is transmitted to data monitoring management platform by terminal node;Data monitoring management Platform Analysis
Judge whether every poison gas environmental parameter is normal, will analyze and determine that result stores to local data base and exports display;Number simultaneously
It will analyze and determine that result is sent to server and carries out cloud storage backup according to monitoring management platform, web publishing be forwarded to by server
Platform and client realize multi-platform monitoring.
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Cited By (1)
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