CN106325067A - Natural gas internet monitoring device and monitoring method - Google Patents
Natural gas internet monitoring device and monitoring method Download PDFInfo
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- CN106325067A CN106325067A CN201610624424.4A CN201610624424A CN106325067A CN 106325067 A CN106325067 A CN 106325067A CN 201610624424 A CN201610624424 A CN 201610624424A CN 106325067 A CN106325067 A CN 106325067A
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- natural gas
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/04—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators
- G05B13/042—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators in which a parameter or coefficient is automatically adjusted to optimise the performance
-
- 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
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital using a threshold to release an alarm or displaying means
-
- 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
- G01N33/0073—Control unit therefor
Abstract
The invention discloses a natural gas internet monitoring device. The monitoring device includes a power source module, a natural gas concentration sensor, a carbon dioxide concentration sensor, a controller, a wireless transmission module and a mobile terminal; the natural gas concentration sensor is electrically connected with the power source module and is used for monitoring natural gas concentration and outputting data; the carbon dioxide concentration sensor is electrically connected to the power source module and is used for monitoring carbon dioxide concentration and outputting data; the controller is connected with the natural gas concentration sensor and the carbon dioxide concentration sensor and is used for receiving the natural gas concentration and carbon dioxide concentration data, comparing the data with preset natural gas concentration and carbon dioxide concentration and outputting danger occurrence probability signals; the wireless transmission module is connected with the controller and is used for receiving the danger occurrence probability signals and outputting the danger occurrence probability signals; and the mobile terminal is connected with the wireless transmission module and is use for receiving the danger occurrence probability signals outputted by the wireless transmission module and carrying out danger warning. The invention also discloses a natural gas internet monitoring method.
Description
Technical field
The present invention relates to monitoring field, the Internet, be specifically related to a kind of natural gas the Internet supervising device and monitoring method.
Background technology
Natural gas refers to a naturally occurring tangential gas in nature, including in atmospheric thermodynamics, hydrosphere and lithosphere various from
The gas (including casing-head gas, reservoir gas, gas of mud volcano, coal bed gas and biological generation gas etc.) that so process is formed, but people's length
The definition of " natural gas " general since the phase, is to define from the narrow sense of energy point of view, refers to natural containing in stratum
Hydro carbons and the mixture of non-hydrocarbon gases, in petroleum geology, be often referred to casing-head gas and reservoir gas.Its composition with hydro carbons is
Main, and containing non-hydrocarbon gas, natural gas is contained in underground porous gap rock stratum, including casing-head gas, reservoir gas, coal bed gas, mud fire
Mountain mists and biological generation gas etc., also have a small amount of for coal seam.It is high-grade fuel and industrial chemicals.
Natural gas is mainly used for making fuel, can manufacture white carbon black, chemical drugs and liquefied petroleum gas, natural gas produce
Propane, butane are the important source material of modern industry.Natural gas is mainly mixed by gaseous state low molecular hydrocarbons and non-hydrocarbon gas and forms, natural
Gas colorless and odorless, and not there is toxicity, but in the case of assembling in intensive environment in house etc. as fuel, reach certain
During ratio, the blast that power is huge will be triggered.
In actual life, the leakage of natural gas and explosion time have report to occur, in order to find ahead of time, and to natural gas
Leakage and the probability caused danger give warning in advance, develop a kind of can the concentration of natural gas in monitoring of environmental in real time,
And contingent danger is carried out early warning and the system that dangerous information data are transmitted in time is just particularly important, with
Time, the threshold value of gas explosion can be had an impact by the change of gas concentration lwevel equally in the environment, adds in monitoring system
Monitoring to gas concentration lwevel also seems particularly critical.
Summary of the invention
Based on the above-mentioned problems in the prior art, the present invention has designed and developed a kind of natural gas the Internet monitoring side
Method, it is therefore an objective to provide one that natural gas can be monitored in real time and be reported to the police, and by setting up fuzzy control model, generation can
Cause danger the signal of probability, and then to reporting to the police more accurately and timely, it is to avoid the wrong report of danger early warning, fail to report generation.
The present invention has also designed and developed a kind of natural gas the Internet supervising device, it is therefore an objective to by wireless transport module and
The setting of mobile terminal so that user can grasp the probability that can cause danger at any time, it is to avoid owing to danger could not be grasped in real time
Danger early warning information and dangerous situation could not be made in time process, and then cause situation about causing danger.
The technical scheme that the present invention provides is:
A kind of natural gas the Internet supervising device, including:
Power module；
Concentration of natural gas sensor, itself and described power module Electricity Federation, for monitoring the gas concentration of natural gas and by number
According to output；
Gas concentration lwevel sensor, itself and described power module Electricity Federation, it is used for monitoring gas concentration lwevel and by data
Output；
Controller, it is connected with described concentration of natural gas sensor and described gas concentration lwevel sensor respectively, is used for
Receive gas concentration and dense carbon dioxide degrees of data, and compare with default concentration of natural gas and default gas concentration lwevel
Relatively, probability signal of causing danger is exported；
Wireless transport module, it is connected with described controller, causes danger probability signal exporting for reception；
Mobile terminal, it is connected with described wireless transport module, endangers for receiving the transmission of described wireless transport module
Danger probability signal, and then make dangerous warning.
Preferably, also including in described supervising device: natural gas control valve, it is connected with described controller.
Preferably, described concentration of natural gas sensor, gas concentration lwevel sensor, controller and be wirelessly transferred mould
Connected by standard data interface between block.
Preferably, described wireless control module transfers data to wireless router by wireless network, then by wireless
Data are sent to described mobile terminal by router by the Internet.
Preferably, described mobile terminal is mobile phone or computer.
A kind of natural gas the Internet monitoring method, uses fuzzy control model to export probability signal of causing danger, including such as
Lower step:
Respectively by actual concentration of natural gas and the deviation variation rate of default concentration of natural gas, actual gas concentration lwevel with in advance
If the deviation variation rate of gas concentration lwevel and probability of causing danger are converted to the quantification gradation in fuzzy domain；
By deviation variation rate and the actual gas concentration lwevel of described actual concentration of natural gas and default concentration of natural gas
Input fuzzy control model with the deviation variation rate of default gas concentration lwevel, be divided into 7 grades；
Fuzzy control model is caused danger probability described in being output as, and is divided into 5 grades；
According to described probability signal of causing danger, and then make danger early warning.
Preferably, the domain of the deviation variation rate of described actual concentration of natural gas and default concentration of natural gas be [-8,
8], actual gas concentration lwevel is [-12,12] with the domain of the deviation variation rate of default gas concentration lwevel, causes danger general
The domain of rate is [0,1], if quantizing factor is all 1.
Preferably, the fuzzy set of the deviation variation rate of described actual concentration of natural gas and default concentration of natural gas be NB,
NM, NS, 0, PS, PM, PB}, actual gas concentration lwevel with the fuzzy set of the deviation variation rate of default gas concentration lwevel is
{ NB, NM, NS, 0, PS, PM, PB}, the fuzzy set of probability of causing danger is { 0, PS, PM, PB, PVB}；Membership function all selects three
Angle function.
Preferably, the control rule of described fuzzy control model is:
Deviation variation rate and actual gas concentration lwevel when described actual concentration of natural gas and default concentration of natural gas
It is timing with the deviation variation rate of default gas concentration lwevel, enters limit risk, the probability of causing danger of controller output
For just；
Deviation variation rate and actual gas concentration lwevel when described actual concentration of natural gas and default concentration of natural gas
When being negative with the deviation variation rate of default gas concentration lwevel, not entering limit risk, causing danger of controller output is general
Rate is zero.
Preferably, danger warning is carried out by probability signal of causing danger:
When probability output of causing danger is zero, now, controller is not carried out causing danger the data output of probability signal；
When probability output of causing danger is timing, now, controller is carried out causing danger the data output of probability signal, logical
Cross wireless transport module and be sent to mobile terminal, carry out danger warning.
The present invention is had the advantages that compared with prior art
1, by the monitoring method of the present invention, it is possible to the natural gas in environment and gas concentration lwevel to be made prison in real time
Survey, and transmission timely to data, and then the prediction output of the probability that carries out causing danger by the fuzzy control model set up, make
Warning system is more accurately and timely, it is to avoid wrong report, situation about failing to report occur；
2, by wireless transport module in the supervising device of the present invention and the setting of mobile terminal so that user can be at any time
Grasp the situation of the probability of causing danger in monitoring place everywhere, thus handle it in time according to danger warning, effectively avoid
Dangerous generation.
Accompanying drawing explanation
Fig. 1 is the schematic block diagram of monitoring method of the present invention.
Fig. 2 is the schematic diagram of supervising device of the present invention.
Fig. 3 is the membership function of actual concentration of natural gas and the deviation variation rate of default concentration of natural gas.
Fig. 4 is the membership function of actual gas concentration lwevel and the deviation variation rate of default gas concentration lwevel.
Fig. 5 is the membership function of probability of causing danger.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to description literary composition
Word can be implemented according to this.
As shown in Figure 1 and Figure 2, the invention provides a kind of natural gas the Internet supervising device, its agent structure includes: electricity
Source module 110, concentration of natural gas sensor 121, gas concentration lwevel sensor 122, controller 130, wireless transport module 140
And mobile terminal 150；Wherein, power module 110 is the power supply needed for supervising device offer, and power module 110 is by Switching Power Supply
Conversion chip, linear voltage regulator and filter circuit of pressure-stabilizing composition, concentration of natural gas sensor 121 and power module 110 Electricity Federation,
Can be used in monitoring the gas concentration of natural gas in real time and data being exported, gas concentration lwevel sensor 122 and power supply mould
Block 110 Electricity Federation, it is possible to for the gas concentration of in real time monitoring carbon dioxide and data are exported, controller 130 respectively with sky
So gas concentration sensor 121 and gas concentration lwevel sensor 122 are connected, for receiving the concentration of natural gas data of monitoring in real time
And the dense carbon dioxide degrees of data of monitoring in real time, and compare with default concentration of natural gas and default gas concentration lwevel
Relatively, exporting probability signal of causing danger, wireless transport module 140 is connected with controller 130, it is possible to cause danger generally for reception
Rate signal also exports, and mobile terminal 150 is connected with wireless transport module 140, it is possible to for receiving wireless transport module 140 transmission
Cause danger probability signal, and then make dangerous warning in various degree.
In another kind of embodiment, concentration of natural gas sensor 121, gas concentration lwevel sensor 122, controller 130
And connected by standard data interface between wireless transport module 140, therefore can be by data integration to any data platform.
In another kind of embodiment, wireless control module 140 transfers data to wireless router by wireless network, then
By wireless router, data are sent to mobile terminal 150 by the Internet.
In another kind of embodiment, mobile terminal 150 is mobile phone or computer.
Present invention also offers a kind of natural gas the Internet monitoring method, use fuzzy control model to realize causing danger generally
Rate signal exports, respectively by the deviation variation rate EC of actual concentration of natural gas Yu default concentration of natural gas1, actual dense carbon dioxide
Degree and the deviation variation rate EC of default gas concentration lwevel2And probability of causing danger is converted to the quantization etc. in fuzzy domain
Level；Deviation variation rate EC by actual concentration of natural gas Yu default concentration of natural gas1And actual gas concentration lwevel with preset
The deviation variation rate EC of gas concentration lwevel2Input fuzzy control model, fuzzy control model is output as probability of causing danger, and enters
And carry out danger early warning；
Actual concentration of natural gas and the deviation variation rate EC of default concentration of natural gas1Excursion be [-8,8], actual
Gas concentration lwevel and the deviation variation rate EC of default gas concentration lwevel2Excursion be [-12,12], set quantify because of
Son is all 1, therefore deviation variation rate EC1And deviation variation rate EC2Domain be respectively [-8,8] and [-12,12], endanger
The domain of danger probability is [0,1]；In order to ensure the precision controlled so that it is can control well in different environments
System, according to the deviation variation rate EC of repetition test, actual concentration of natural gas and default concentration of natural gas1Excursion
Being divided into 7 grades, fuzzy set is that { NB, NM, NS, 0, PS, PM, PB}, by actual gas concentration lwevel and default dense carbon dioxide
The deviation variation rate EC of degree2Excursion be divided into 7 grades, fuzzy set be NB, NM, NS, 0, PS, PM, PB}, output send out
Raw dangerous probability is divided into 5 grades, and fuzzy set is { 0, PS, PM, PB, PVB}；Membership function all selects triangular membership,
As shown in Fig. 3,4,5.
The control rule of fuzzy control model chooses experience: inclined when actual concentration of natural gas and default concentration of natural gas
Difference rate of change EC1And the deviation variation rate EC of actual gas concentration lwevel and default gas concentration lwevel2It is timing, enters
Limit risk, the probability of causing danger of controller output is for just；Deviation when actual concentration of natural gas Yu default concentration of natural gas
Rate of change EC1And the deviation variation rate EC of actual gas concentration lwevel and default gas concentration lwevel2When being negative, do not enter
Limit risk, the probability of causing danger of controller output is zero.
Danger warning is carried out: when probability output of causing danger is zero, now, controller does not enters by probability of causing danger
The data output of capable probability signal of causing danger；When probability output of causing danger is timing, and now, controller is caused danger
The data output of probability signal, is sent to mobile terminal by wireless transport module, by output data, and then carries out in various degree
Danger warning；Concrete fuzzy control rule is as shown in table 1.
Table 1 fuzzy control rule
In another kind of embodiment, as in figure 2 it is shown, supervising device also includes: natural gas control valve 131, itself and control
Device 130 is connected, when the probability output of causing danger of controller 130 is timing, and controller 130 cuts out natural gas control valve 131, enters
And the concentration of natural gas controlled in monitoring of environmental is not further added by.
Although embodiment of the present invention are disclosed as above, but it is not restricted in description and embodiment listed
Using, it can be applied to various applicable the field of the invention completely, for those skilled in the art, and can be easily
Realizing other amendment, therefore under the general concept limited without departing substantially from claim and equivalency range, the present invention does not limit
In specific details with shown here as the legend with description.
Claims (10)
1. a natural gas the Internet supervising device, it is characterised in that including:
Power module；
Concentration of natural gas sensor, it is with described power module Electricity Federation, for monitoring the gas concentration of natural gas data are defeated
Go out；
Gas concentration lwevel sensor, itself and described power module Electricity Federation, it is used for monitoring gas concentration lwevel and data being exported；
Controller, it is connected with described concentration of natural gas sensor and described gas concentration lwevel sensor respectively, is used for receiving
Gas concentration and dense carbon dioxide degrees of data, and compare with default concentration of natural gas and default gas concentration lwevel, defeated
Go out probability signal of causing danger；
Wireless transport module, it is connected with described controller, causes danger probability signal exporting for reception；
Mobile terminal, it is connected with described wireless transport module, general for receiving causing danger of described wireless transport module transmission
Rate signal, and then make dangerous warning.
2. natural gas the Internet as claimed in claim 1 supervising device, it is characterised in that also include in described supervising device:
Natural gas control valve, it is connected with described controller.
3. natural gas the Internet as claimed in claim 1 or 2 supervising device, it is characterised in that described concentration of natural gas senses
Device, gas concentration lwevel sensor, connected by standard data interface between controller and wireless transport module.
4. natural gas the Internet as claimed in claim 3 supervising device, it is characterised in that described wireless control module passes through nothing
Gauze network transfers data to wireless router, then data is sent to described mobile terminal by the Internet by wireless router
In.
5. natural gas the Internet as claimed in claim 4 supervising device, it is characterised in that described mobile terminal is mobile phone or electricity
Brain.
6. a natural gas the Internet monitoring method, it is characterised in that use fuzzy control model to export probability letter of causing danger
Number, comprise the steps:
Respectively by actual concentration of natural gas and the deviation variation rate of default concentration of natural gas, actual gas concentration lwevel and default two
The deviation variation rate of carbonoxide concentration and probability of causing danger are converted to the quantification gradation in fuzzy domain；
By the deviation variation rate of described actual concentration of natural gas and default concentration of natural gas and actual gas concentration lwevel with in advance
If the deviation variability input fuzzy control model of gas concentration lwevel, it is divided into 7 grades；
Fuzzy control model is caused danger probability described in being output as, and is divided into 5 grades；
According to described probability signal of causing danger, and then make danger early warning.
7. monitoring method in natural gas the Internet as claimed in claim 6, it is characterised in that described actual concentration of natural gas is with pre-
If the domain of the deviation variation rate of concentration of natural gas is [-8,8], actual gas concentration lwevel is inclined with default gas concentration lwevel
The domain of difference rate of change is [-12,12], and the domain of probability of causing danger is [0,1], if quantizing factor is all 1.
8. monitoring method in natural gas the Internet as claimed in claim 7, it is characterised in that described actual concentration of natural gas is with pre-
If the fuzzy set of the deviation variation rate of concentration of natural gas is that { actual gas concentration lwevel is with pre-for NB, NM, NS, 0, PS, PM, PB}
If the fuzzy set of the deviation variation rate of gas concentration lwevel is { NB, NM, NS, 0, PS, PM, PB}, obscuring of probability of causing danger
Collection is { 0, PS, PM, PB, PVB}；Membership function all selects trigonometric function.
9. monitoring method in natural gas the Internet as claimed in claim 8, it is characterised in that the control of described fuzzy control model
Rule is:
When described actual concentration of natural gas and the deviation variation rate of default concentration of natural gas and actual gas concentration lwevel are with pre-
If the deviation variation rate of gas concentration lwevel is timing, entering limit risk, the probability of causing danger of controller output is for just；
When described actual concentration of natural gas and the deviation variation rate of default concentration of natural gas and actual gas concentration lwevel are with pre-
If the deviation variation rate of gas concentration lwevel is negative, not entering limit risk, the probability of causing danger of controller output is
Zero.
10. monitoring method in natural gas the Internet as claimed in claim 9, it is characterised in that by probability signal of causing danger
Carry out danger warning:
When probability output of causing danger is zero, now, controller is not carried out causing danger the data output of probability signal；
When probability output of causing danger is timing, now, controller is carried out causing danger the data output of probability signal, by nothing
Line transport module is sent to mobile terminal, carries out danger warning.
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| CN106325067B (en) | 2021-07-16 |
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