CN109490249A - Combustible gas monitoring equipment, method and system - Google Patents
Combustible gas monitoring equipment, method and system Download PDFInfo
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- CN109490249A CN109490249A CN201811232008.5A CN201811232008A CN109490249A CN 109490249 A CN109490249 A CN 109490249A CN 201811232008 A CN201811232008 A CN 201811232008A CN 109490249 A CN109490249 A CN 109490249A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
Abstract
The invention discloses a kind of combustible gas monitoring equipment, method and system.Wherein, the monitoring device includes: battery flat and main body module, wherein battery flat is provided with battery, and battery flat is used to pass through cabin power supply based on power supply line；Main body module includes: air pump, is sent to gas dry storehouse by the air inlet of main body module for being evacuated from external environment, and by the ambient atmos being drawn into；Gas dry storehouse has desiccant in gas dry storehouse, and desiccant is used to that the ambient atmos being drawn into be dried filtration treatment, and will be sent to gas detection storehouse by the ambient atmos of dry filter processing；Gas detection storehouse, has laser methane sensor in gas detection storehouse, and laser methane sensor is used to carry out combustable gas concentration measurement to the ambient atmos by dry filter processing using based on tunable diode laser absorption spectroscopy technology.The equipment can satisfy to the combustable gas concentration measurement in urban underground space, and improve the accuracy of measurement result.
Description
Technical field
The present invention relates to gas detection technology field more particularly to a kind of combustible gas monitoring equipment, method and system.
Background technique
Combustible gas monitoring equipment currently on the market is monitored primarily directed to the fuel gas in gas ductwork, is led to
Often rely on detection of traditional catalysis realization such as combustion supervision method and Infrared Detection Method to combustable gas concentration.However, using
It is catalyzed the monitoring device of combustion supervision principle, the sensor life-time that can exist in monitoring device is short (general less than 1 year), maintenance
Period is short, while being easy to be generated poisoning, and the ruler of the monitoring device by other gases (such as hydrogen chloride gas) pollution in space
Very little larger the defects of should not installing；Using the monitoring device of infrared detection method, it is former to be normally based on designated band light intensity absorption
Reason measurement methane concentration, but can have the defects of measurement accuracy is affected by humidity, power consumption is big.Therefore the prior art needs
It improves.
Summary of the invention
The purpose of the present invention is intended to solve above-mentioned one of technical problem at least to a certain extent.
For this purpose, the first purpose of this invention is to propose a kind of combustible gas monitoring equipment.The equipment can satisfy pair
Combustable gas concentration in urban underground space measures, and the measurement of combustable gas concentration is realized by laser methane sensor,
The accuracy of measurement result can be improved, and filtration treatment is dried to ambient atmos before measuring, it can be to avoid measurement
The occurrence of accuracy is influenced by humidity further improves the accuracy of measurement result.
Second object of the present invention is to propose a kind of combustible gas monitoring method.
Third object of the present invention is to propose a kind of combustible gas monitoring system.
In order to achieve the above objectives, the combustible gas monitoring equipment that first aspect present invention embodiment proposes, comprising: battery flat
And main body module, wherein the battery flat is provided with battery, and the battery flat is used to through power supply line be main body module power supply；
The main body module includes: air pump, passes through the main body module for being evacuated from external environment, and by the ambient atmos being drawn into
Air inlet is sent to gas dry storehouse；The gas dry storehouse, has desiccant in the gas dry storehouse, and the desiccant is used
In being dried filtration treatment to the ambient atmos being drawn into, and will be passed by the ambient atmos of dry filter processing
It send to gas detection storehouse；The gas detection storehouse has laser methane sensor, the laser methane in the gas detection storehouse
Sensor is used to use based on tunable diode laser absorption spectroscopy technology to the extraneous gas handled by dry filter
Body carries out combustable gas concentration measurement.
Combustible gas monitoring equipment according to an embodiment of the present invention can be powered by cabin based on the battery in battery flat,
And air pump, gas dry storehouse and gas detection storehouse are integrated in main body module, it is evacuated from external environment by air pump, and will take out
The ambient atmos got are sent to gas dry storehouse by the air inlet of main body module, and gas dry storehouse passes through the desiccant pair of itself
Filtration treatment is dried in the ambient atmos being drawn into, and will be sent to gas detection by the ambient atmos of dry filter processing
Storehouse, the laser methane sensor in gas detection storehouse are based on tunable diode laser absorption spectroscopy technology to passing through dry filter
The ambient atmos of processing carry out combustable gas concentration measurement.I.e. by being arranged battery in battery flat, by other in equipment
Module or component are arranged in main body module, so that combustible gas monitoring equipment uses unitary design, are meeting to Urban Underground
While combustable gas concentration in space measures, it can be ensured that monitoring device can normally can transport in the adverse circumstances of underground
Row；Also, the measurement that combustable gas concentration is realized using laser methane sensor, improves the accuracy of measurement result, simultaneously
The occurrence of filtration treatment is dried to ambient atmos before measuring, can be influenced to avoid measuring accuracy by humidity, into
One step improves the accuracy of measurement result.
In order to achieve the above objectives, the combustible gas monitoring method that second aspect of the present invention embodiment proposes, comprising: control gas
Pump is evacuated from external environment, and filtration treatment is dried to the ambient atmos being drawn by desiccant；Using based on can
Tuning semiconductor laser absorption spectroscopy carries out combustable gas concentration measurement to the ambient atmos by dry filter processing；
Whether the combustable gas concentration for judging that measurement obtains is greater than or equal to the first preset threshold；If described measure obtained combustible gas
Bulk concentration is greater than or equal to first preset threshold, then generates the warning message for being directed to combustable gas concentration；It is directed to by described in
The warning message of combustable gas concentration is sent to monitoring center's platform；The warning message for combustable gas concentration is used for institute
It states monitoring center's platform and carries out the alarm exceeded for combustable gas concentration.
Combustible gas monitoring method according to an embodiment of the present invention can be evacuated from external environment by air pump, and be passed through
Filtration treatment is dried to the ambient atmos being drawn into desiccant, and using based on tunable diode laser absorption spectroscopy skill
Art carries out combustable gas concentration measurement to the ambient atmos by dry filter processing, and dense in the fuel gas that measurement obtains
It when spending exceeded, alarms to monitoring center's platform, to inform the fuel gas prison of monitoring personnel transmission warning message
The combustable gas concentration in environment scene that measurement equipment is presently in is exceeded, need to arouse attention and use corresponding measure, such as arrive
Scene is effectively treated fuel gas, to reduce the concentration of fuel gas, can satisfy in urban underground space
Combustable gas concentration measurement and early warning, and realize that fuel gas is dense using based on tunable diode laser absorption spectroscopy technology
The measurement of degree improves the accuracy of measurement result, while filtration treatment is dried to ambient atmos before measuring, can keep away
Exempt from the occurrence of measuring accuracy is influenced by humidity, further improves the accuracy of measurement result.
In order to achieve the above objectives, the combustible gas monitoring system that third aspect present invention embodiment proposes, comprising: the present invention
Combustible gas monitoring equipment described in first aspect embodiment；And monitoring center's platform, for receiving the fuel gas prison
The monitoring data that measurement equipment is sent, and the warning message that the combustible gas monitoring equipment is sent is received, and according to the alarm
Information is alarmed.
Combustible gas monitoring system according to an embodiment of the present invention, can be by the air pump in combustible gas monitoring equipment from outer
It is evacuated in boundary's environment, and filtration treatment is dried to the ambient atmos being drawn by desiccant, and using based on tunable
Diode Laser Absorption Spectroscopy, to the ambient atmos progress combustable gas concentration measurement by dry filter processing, and
When the combustable gas concentration that measurement obtains is exceeded, alarm to monitoring center's platform, to inform described in the monitoring personnel transmission
The combustable gas concentration in environment scene that the combustible gas monitoring equipment of warning message is presently in is exceeded, need to arouse attention simultaneously
Fuel gas is effectively treated using corresponding measure, such as to scene, to reduce the concentration of fuel gas, can satisfy
To the combustable gas concentration measurement and early warning in urban underground space, and using based on tunable diode laser absorption spectroscopy
Technology realizes the measurement of combustable gas concentration, improves the accuracy of measurement result, while carrying out before measuring to ambient atmos
Dry filter processing, the occurrence of can be influenced to avoid measuring accuracy by humidity, further improves the essence of measurement result
Exactness.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of combustible gas monitoring equipment according to an embodiment of the invention；
Fig. 2 is the structural schematic diagram of combustible gas monitoring equipment accord to a specific embodiment of that present invention；
Fig. 3 is the structural schematic diagram of the combustible gas monitoring equipment of another specific embodiment according to the present invention；
Fig. 4 is the structural schematic diagram of the combustible gas monitoring equipment of another specific embodiment according to the present invention；
Fig. 5 is the electrical schematic of battery according to an embodiment of the present invention；
Fig. 6 is the working sequence schematic diagram of combustible gas monitoring equipment according to an embodiment of the present invention；
Fig. 7 is the exemplary diagram of combustible gas monitoring equipment according to an embodiment of the present invention；
Fig. 8 is the flow chart of combustible gas monitoring method according to an embodiment of the invention；
Fig. 9 is the structural schematic diagram of combustible gas monitoring system according to an embodiment of the invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings combustible gas monitoring equipment according to an embodiment of the present invention, method and system are described.
Currently, there is complicated gas ductwork in urban underground space, since old pipeline aging is serious or Urban Building Construction
Carelessness, gas leakage after easily causing pipe network damaged, and leak combustion gas and can permeate the ground and adjacent space and gather, it brings greatly
Urban safety risk, therefore the monitoring of combustable gas concentration is essential in Urban Buried Pipeline Network confined space now.
Since the monitoring of current gas leakage relies primarily on traditional catalysis combustion supervision method, Infrared Detection Method, and just for gas ductwork
Monitoring, is not related to the adjacent pipe network in underground or space, thus means detection accuracy is low at present, low efficiency, limitation, one-sidedness,
Maintenance cost height etc., and can long-time Monitoring and forecasting system in real-time fuel gas seem most important.It can be seen that the underground space pair
The requirement of monitoring device service condition is high, and for example including no external power supply, high temperature and humidity, urban waterlogging causes equipment to be flooded, ground
Poor, maintenance cost height of down space network signal etc..
High to the service condition requirement of combustible gas monitoring equipment in order to solve the underground space in the prior art, causing can
The technical problem that the maintenance cost for firing gas monitor apparatus is high, power consumption is big, measuring accuracy is affected etc. by humidity, the present invention
A kind of combustible gas monitoring equipment is proposed, which is applicable to burnt gas valve well, bilge well, electric power
The combustable gas concentration of the Urban Buried Pipeline Networks such as well, water supply well, heating power well, communication well and adjacent space uninterruptedly monitored and
Early warning.Fig. 1 is the structural schematic diagram of combustible gas monitoring equipment according to an embodiment of the invention.
As shown in Figure 1, the combustible gas monitoring equipment 10 may include: battery flat 100 and main body module 200.Wherein, battery
Cabin 100 is provided with battery, which can be used for powering by cabin 200 based on power supply line.
As shown in Figure 1, the main body module 200 can include: air pump 210, gas dry storehouse 220 and gas detection storehouse 230.Its
In, air pump 210 can be used for being evacuated from external environment, and the ambient atmos being drawn into are passed through to the air inlet oral instructions of main body module 200
It send to gas dry storehouse 220.There is desiccant 221, which can be used for being drawn into described in gas dry storehouse 220
Ambient atmos be dried filtration treatment, and gas detection storehouse 230 will be sent to by the ambient atmos of dry filter processing.
As an example, spiral gas circuit design can be used in desiccant 221, that is to say, that the desiccant in gas dry storehouse 220
221 can form spiral gas circuit, so that air pump 210 is transmitted to gas detection by the spiral gas circuit from the gas that the external world extracts
In storehouse 230.
There is laser methane sensor 231, laser methane sensor 231, which can be used for using, to be based in gas detection storehouse 230
Tunable diode laser absorption spectroscopy technology carries out combustable gas concentration to the ambient atmos handled by dry filter
Measurement.Wherein, in an embodiment of the present invention, the fuel gas is methane gas.
For example, the combustible gas monitoring equipment 10 of the embodiment of the present invention can be placed in the underground space, for example, flammable
Gas monitor apparatus 10 is mounted on the predeterminated position of the underground space by mounting bracket, such as has a distance apart from underground ground.
Combustible gas monitoring equipment 10 can be used for monitoring the gas in underground space inner periphery air and workplace.Specifically, this can
Modularized design can be used in combustion gas monitor apparatus 10, is divided into battery flat 100 and main body module 200.Wherein, battery flat 100 is built-in
Have a battery, and by power supply line in main body module 200 air pump 210 and gas detection storehouse 230 be powered.
As an example, air pump 210 can be between gas detection storehouse 230 and the gas outlet of main body module 200.Battery flat
For battery in 100 during being powered to main body module 200, air pump 210 can extract air from external environment, and will take out
The ambient atmos got are sent to gas dry storehouse 220 by the air inlet of main body module 200.Drying in gas dry storehouse 220
Filtration treatment, and the ambient atmos that will be handled by dry filter the ambient atmos being drawn into can be dried in agent 221
It is transmitted to gas detection storehouse 230.
Laser methane sensor 231 in gas detection storehouse 230 can be used based on TDLAS (Tunable Diode Laser
Absorption Spectroscopy, tunable diode laser absorption spectroscopy) technology to it is described by dry filter handle
Ambient atmos carry out combustable gas concentration measurement.It is (bright according to Lambert-Beer based on TDLAS technology wherein it is possible to understand
One Bill of uncle) characteristic that changes with Injection Current and temperature of law and laser emission wavelength, it realizes to gas molecules sorb
The measurement of spectral line.The light intensity that laser is issued is after Injection Current is modulated, by carrying out to the light after absorbing via gas
Spectrum analysis can accurately obtain tested every gas index parameter.The technology has real-time measurement, accuracy high, selective
The advantages of good, without often calibration, which uses photoelectricity hybrid integrated technology, realizes high-precision, high density, highly reliable
Integration packaging is minimized, and the sensor has the characteristics that detection accuracy is high, reaction is fast, low in energy consumption.
In order to guarantee that combustible gas monitoring equipment can work normally, optionally, in an embodiment of the present invention, battery flat
O-ring seal squeeze leak free design can be used with main body module, it is ensured that liquid will not in a static condition with main body module for battery flat
Leak into inside.Wherein, each module is all made of independent leak free design in main body module, is independent of each other, so that even if portion
There is leak in sub-module, and equipment still can work normally.
In order to which warning function may be implemented, optionally, in one embodiment of the invention, as shown in Fig. 2, main body module
200 further include: processor 240 and communication function module 250.Wherein, processor 240 can be used for receiving laser methane sensor
The combustable gas concentration that 231 measurements obtain, and judge whether the combustable gas concentration received is greater than or equal to the first default threshold
Value, and when the combustable gas concentration received is greater than or equal to first preset threshold, warning message is generated, and lead to
It crosses communication function module 250 and the warning message is sent to monitoring center's platform 20.
Processor 240 can also be used in when the combustable gas concentration received is less than first preset threshold, will
The combustable gas concentration received is stored, and when current time reaches preset data uplink time, will be stored
Combustable gas concentration data monitoring center's platform 20 is uploaded to by communication function module 250.
That is, processor 240 receive laser methane sensor 231 measure obtain combustable gas concentration when,
It can determine whether the combustable gas concentration received is greater than or equal to the first preset threshold, if so, it is believed that current outside ring
Combustable gas concentration in border is exceeded, generates at this time for the exceeded warning message of combustable gas concentration, and by the warning message
Monitoring center's platform 20 is sent to by communication function module 250.Monitoring center's platform 20 is set receiving combustible gas monitoring
Standby 10 send the warning message exceeded for combustable gas concentration when, alarm, for example, passing through warning lamp, voice
The modes such as casting and/or text prompting frame are alarmed, to inform the fuel gas of monitoring personnel transmission warning message
The combustable gas concentration in environment scene that monitoring device 10 is presently in is exceeded, need to arouse attention and using corresponding measure,
The scene such as arrived is effectively treated fuel gas, to reduce the concentration of fuel gas.
When the combustable gas concentration that processor 240 receives described in the judgement is less than first preset threshold, it is believed that
Combustable gas concentration in current outside environment is in normal range (NR), at this point, working as without reporting in time to monitoring center's platform 20
Combustable gas concentration in the current external environment can be stored, stored by the combustable gas concentration in preceding external environment
During, can by combustable gas concentration and the temporal information that currently measures in current outside environment synchronize store, this
Sample believes the combustable gas concentration data of storage and corresponding time when current time reaches preset data uplink time
Synchronized upload is ceased to monitoring center's platform 20.In this way, monitoring center's platform 20 obtains combustable gas concentration data and measurement, this can
Temporal information when combustion gas bulk concentration, so as to according to the combustable gas concentration data of acquisition and the progress of corresponding time of measuring information
Data analysis and monitoring.
Wherein, in one embodiment of the invention, communication function module 250 can be antenna, be set to fuel gas prison
Main body module 200 is such as stretched out in the outside of measurement equipment 10, to carry out wireless communication with monitoring center platform 20.In order to ensure on ground
The lower red communication of environment can normal use, in an embodiment of the present invention, the communication mode that communication function module 250 uses can be for
Based on cellular narrowband Internet of Things NB-IOT communication modes.That is, the communication mode that uses of communication function module 250 for
NB-IOT communication, its advantage is that the transmission of low in energy consumption, achievable underground.
It, can in order to which the data for guaranteeing that combustible gas monitoring equipment 10 monitors can normally be uploaded to monitoring center's platform 20
Selection of land, in one embodiment of the invention, processor 240 by communication function module 250 with monitoring center platform 20 at
In the case that function establishes communication network, processor 240 is interacted with the transpostion interval trial that monitoring center platform 20 can be extremely short and is answered
Answer, if do not obtain within a certain period of time response success, the data information that this can be uploaded be locally stored, simultaneously
The automatic transmission time for changing communication function module 250 next time, when communicating interaction success next time, by this and it is preceding several times
The data informations such as the combustable gas concentration information sent not successfully are wirelessly transferred in the form of encrypted cipher text and are sent to monitoring center
Platform 20.Mechanism is reissued by the way that intelligence is arranged as a result, it is ensured that the data of combustible gas monitoring equipment monitoring can be normal
It is uploaded to monitoring center's platform, optimizes the high-volume underground communication concurrent transmission side based on current Internet of Things NB-IOT communication
Formula ensure that the reliability and stability of underground communication transmission.
In order to ensure combustible gas monitoring equipment is to the accuracy of measurement of combustable gas concentration, guarantee that combustible gas monitoring is set
It is standby to measure use state in normal.Optionally, in one embodiment of the invention, as shown in figure 3, gas detection storehouse
230 further include: the first Temperature Humidity Sensor 232.First Temperature Humidity Sensor 232 can be used for being handled by dry filter described
Ambient atmos carry out Temperature and Humidity, and the first temperature and humidity information that will test is sent to processor 240.Wherein, at this
In the embodiment of invention, processor 240 can also be used in the first temperature and humidity detected according to the first Temperature Humidity Sensor 232 letter
Breath, detects the current dry filter degree of desiccant 221, and is less than in the current dry filter degree for detecting desiccant 221
When the second preset threshold, the replacement request information for being directed to desiccant is generated, and will be described for dry by communication function module 250
The replacement request information of drying prescription is sent to monitoring center's platform 20.
That is, a Temperature Humidity Sensor, such as the first Temperature Humidity Sensor 232 can be set in gas detection storehouse 230,
In this way, the first Temperature Humidity Sensor 232 can carry out the inspection of temperature and humidity to the ambient atmos handled by dry filter
It surveys, and the temperature value and humidity value that will test are sent to processor 240.Processor 240 is receiving the first temperature and humidity sensing
When temperature value and humidity value that device 232 detects, according to the current dry filter of the temperature value and humidity value detection desiccant 221
Degree, if the current dry filter degree for detecting desiccant 221 illustrates desiccant at this time less than the second preset threshold
221 dry filter function has been unable to meet current requirement, needs replacing new desiccant, is produced at this time for dry
The replacement request information of drying prescription, and be sent to the replacement request information for desiccant by communication function module 250
Monitoring center's platform 20.Monitoring center's platform 20 can prompt monitoring personnel to need to gas when receiving the replacement request information
Desiccant in body dryness storehouse 220 is replaced, and thereby may be ensured that combustible gas monitoring equipment is in normal measurement and uses
State, it is ensured that the accuracy of measurement result.
In order to enable monitoring personnel can easily recognize the temperature and humidity situation of monitoring device local environment scene, it is optional
Ground, in one embodiment of the invention, main body module may also include that the second Temperature Humidity Sensor.Second Temperature Humidity Sensor can
The steady gas circuit end of the increasing being arranged between the air inlet of main body module and gas dry storehouse.Second Temperature Humidity Sensor can be used for detecting
Second temperature and humidity information of external environment, and the second temperature and humidity information that will test is sent to processor.Wherein, in the present invention
Embodiment in, the second temperature and humidity information that processor can also be used to detect the second Temperature Humidity Sensor stores, and
When current time reaches preset data uplink time, the second temperature and humidity information of storage is uploaded by communication function module
To monitoring center's platform.
For example, the end of the steady gas circuit of increasing between the air inlet and gas dry storehouse of main body module is arranged a temperature and humidity and passes
Sensor, such as the second Temperature Humidity Sensor, wherein the end for increasing steady gas circuit, which refers to, increases the air inlet that steady gas circuit closes on gas dry storehouse
Port, increase steady gas circuit can be used for being filtered the ambient atmos being drawn into and (such as filtering other toxic gases), filter it is different
The operation such as constant value, smoothing processing, i.e., denoise the ambient atmos that are drawn into, with the accurate of the combustable gas concentration that ensures to measure
Property.Second Temperature Humidity Sensor can to by air pump be drawn into come ambient atmos carry out temperature and humidity detection, it is outer to detect
The temperature value and humidity value (the i.e. described second temperature and humidity information) of boundary's environment, and the temperature value and humidity value that will test are sent to
Processor.The second temperature and humidity information that processor detects the second Temperature Humidity Sensor stores, while also by the second temperature
The corresponding detection time of humidity information is stored, in this way, will store when current time reaches preset data uplink time
The second temperature and humidity information and its corresponding detection time synchronized upload to monitoring center's platform.In this way, monitoring center's platform
The the second temperature and humidity information and its corresponding detection time of external environment are obtained, so as to according to the second of the external environment of acquisition
Temperature and humidity information and its corresponding detection time carry out data analysis and monitoring.It is examined as a result, by the second Temperature Humidity Sensor
The temperature and humidity information of external environment is surveyed, and the temperature and humidity information of the external environment is sent to monitoring center's platform, so as to
Monitoring personnel is enabled easily to recognize the temperature and humidity situation of monitoring device local environment scene.
The core component of immersion damage equipment is soaked and caused to combustible gas monitoring equipment in order to prevent, optionally,
In one embodiment of the present of invention, as shown in figure 4, main body module 200 may also include that water detection module 260.Wherein, water detects mould
Block 260 can have probe, and the probe stretches out main body module 200, and water detection module 260 can be used for through the probe to combustible gas
Water level in space locating for body monitoring device 10 is detected, and is detecting that the water level in the space rises to early warning line
When, the warning message for immersion detection is generated, and pass through communication function module 250 for the alarm signal for immersion detection
Breath is sent to monitoring center's platform 20.
For example, may include water detection module 260 in main body module 200, which can have probe and water detection
Circuit, the extended main body module 200 of the probe, for example, combustible gas monitoring equipment 10 can be suspended on the wall of the underground space, it should
Probe may be provided at the bottom of the combustible gas monitoring equipment 10, wherein the position of the probe is early warning water level line, i.e., this is low
It is believed that when water level in down space rises to certain altitude and contacts the probe in the low space there are a large amount of water, this
When the combustible gas monitoring equipment 10 there may be the risks soaked.Equipment immersion damage component in order to prevent is detected in water
When module 260 detects that the water level in space locating for combustible gas monitoring equipment 10 rises to early warning line, generate for immersion
The warning message of detection, and the warning message for immersion detection is sent to monitoring center's platform 20, so that monitor
Member understands equipment local environment situation in time, for example, monitoring personnel is recognizing some fuel gas by monitoring center's platform
When monitoring device is in Riddled Condition, it can be on the scene and be remedied in time.
Equipment immersion damage component in order to prevent, detects locating for combustible gas monitoring equipment 10 in water detection module 260
Space in water level when rising to early warning line, processor 240 can control combustible gas monitoring equipment 10 to enter immersion Working mould
Formula, for example, each component or module in control main body module 200 enter standby dormant state, to prevent the core component in equipment
Immersed Water Damage.
Combustible gas monitoring equipment is stolen in order to prevent, avoids bringing unnecessary economic loss to product supplier, can
Selection of land, in one embodiment of the invention, the combustible gas monitoring equipment may also include that inclination angle detection module.Wherein, inclination angle
Detection module can be used for detecting the current tilt angle of combustible gas monitoring equipment, and detect that the current tilt angle is super
When crossing predetermined angle, warning message is sent to monitoring center's platform by communication function module.That is, can be in fuel gas
A built-in inclination angle detection module, the inclination angle detection module can detect the inclination angle of combustible gas monitoring equipment in monitoring device
Degree, when the current tilt angle for detecting combustible gas monitoring equipment is more than certain angle (such as 15 degree), it is believed that this is flammable
There may be stolen risks for gas monitor apparatus, can send alarm signal to monitoring center's platform by communication function module at this time
Breath, to cause the attention of monitoring personnel.
Combustible gas monitoring equipment is stolen in order to prevent, avoids bringing unnecessary economic loss to product supplier, can
Selection of land, in another embodiment of the present invention, the combustible gas monitoring equipment may also include that locating module.Wherein, positioning mould
Block can be used for when monitoring that combustible gas monitoring equipment is currently at moving condition, obtain combustible gas monitoring equipment in real time
Location information, and the location information got in real time is sent to monitoring center's platform by communication function module.
For example, a built-in locating module in combustible gas monitoring equipment, when combustible gas monitoring equipment occurs mobile,
The locating module can carry out real-time location tracking to the combustible gas monitoring equipment, and obtained location information is passed through communication function
Energy module is sent to monitoring center's platform, so that monitoring personnel recognizes the position that the monitoring device is presently in, thus anti-
Only combustible gas monitoring equipment is stolen.
In order to ensure battery can have enough electricity to be the power supply of the other component of monitoring device in battery flat, at this
In one embodiment of invention, which may also include electric power detection module, which can be right
The remaining capacity of battery in the battery flat is detected, and is less than certain threshold value in the current residual electricity for detecting battery
When, the warning message for being directed to not enough power supply is sent, to monitoring center's platform by communication function module so that monitoring personnel is to this
The replacement of monitoring device progress battery.
It should be noted that in one embodiment of the invention, the voltage of the battery in battery flat 100 can be 3.6V,
For reduce buck during route and module useless power consumption, as shown in figure 5, in an embodiment of the present invention, can be used
3.6V direct current supply, directly to electric power detection module, Temperature and Humidity module (such as the first Temperature Humidity Sensor, the second temperature and humidity
Sensor), water detection module power supply, meanwhile, can be by 3.6V for the stability for meeting nucleus module in combustible gas monitoring equipment
Boost in voltage to 5V cooperation laser methane sensor, air pump power supply, by the boost in voltage of 3.6V to 4V cooperation communication function mould
Block power supply.
For the low-power consumption demand of further satisfaction monitoring device, complete machine low power dissipation design can be used, specifically: by right
The module of all main energy consumptions of combustible gas monitoring equipment carries out amperometry, determines and completes setting for primary independent monitoring cycle
Standby total energy consumption, and in the case where not influencing its function precision, design equipment workflow optimal solution.For example, fuel gas is supervised
The standard workflow journey of measurement equipment is set are as follows: equipment is in suspend mode when transmitting work without detection and data, by suspend mode mould
After formula enters operating mode, as shown in fig. 6, firstly, the Temperature and Humidity of starting water detection and external environment；Air pump starts after 3s
Work (extracts the gas of external environment), after lasting 20S, it is ensured that gas detection storehouse is full of detection gas；Start battery electricity
The Temperature and Humidity of pressure and the ambient atmos for process dry filter processing, while starting laser methane sensor detection gas
The combustable gas concentration in storehouse is surveyed in physical examination, is automatically stopped after data measured；Then data are started to send out by communication function module
It send to monitoring center's platform, and after data are sent, combustible gas monitoring equipment integrally enters suspend mode.Combustible gas as a result,
Body monitoring device uses complete machine low power dissipation design, it is ensured that the long-life of battery.
In order to which combustible gas monitoring equipment can be made to can adapt to underground high temperature, high humidity, sour corrosion, mix gas etc.
A variety of extreme environments, combustible gas monitoring equipment can take a variety of protection designs to ensure the normal operation of equipment.For example, flammable
Built-in core component (such as air pump, gas detection storehouse) in gas monitor apparatus is all made of high temperature resistant material, is able to achieve high temperature
It is persistently worked normally under (such as 60 °) environment.
For another example, it as shown in fig. 7, the outside of combustible gas monitoring equipment is used unitary design, can prevent such as 3 meters high
Freely drop；Also, the outside of combustible gas monitoring equipment can have mounting rack A, and combustible gas monitoring equipment can pass through the peace
Shelve A and be mounted to target location, the top (top of such as battery flat) of the combustible gas monitoring equipment be provided with hanging ring B from
And user is facilitated to carry combustible gas monitoring equipment by hanging ring B.Further, since in the underground space, there may be multiple flammable
Gas monitor apparatus, in order to distinguish, each combustible gas monitoring equipment with uniqueness can be identified, in order to facilitate Field Force
A label C can be arranged in the outside of combustible gas monitoring equipment in differentiation to each monitoring device, and Field Force passes through the mark
Label can be appreciated that the relevant information (such as mounted time, position, service life) of the combustible gas monitoring equipment.
For another example, the shell surfaces externally and internally of combustible gas monitoring equipment can do anti-corrosion treatment, for example, can be to monitoring device
Shell surfaces externally and internally by way of electrostatic spraying, spray the materials such as Teflon or outdoor resistant to strong corrosion type, so as to so that
Obtaining combustible gas monitoring equipment has anti-corrosion function, it is ensured that equipment can also operate normally in the presence of a harsh environment.
Combustible gas monitoring equipment according to an embodiment of the present invention can be powered by cabin based on the battery in battery flat,
And air pump, gas dry storehouse and gas detection storehouse are integrated in main body module, it is evacuated from external environment by air pump, and will take out
The ambient atmos got are sent to gas dry storehouse by the air inlet of main body module, and gas dry storehouse passes through the desiccant pair of itself
Filtration treatment is dried in the ambient atmos being drawn into, and will be sent to gas detection by the ambient atmos of dry filter processing
Storehouse, the laser methane sensor in gas detection storehouse are based on tunable diode laser absorption spectroscopy technology to passing through dry filter
The ambient atmos of processing carry out combustable gas concentration measurement.I.e. by being arranged battery in battery flat, by other in equipment
Module or component are arranged in main body module, so that combustible gas monitoring equipment uses unitary design, are meeting to Urban Underground
While combustable gas concentration in space measures, it can be ensured that monitoring device can normally can transport in the adverse circumstances of underground
Row；Also, the measurement that combustable gas concentration is realized using laser methane sensor, improves the accuracy of measurement result, simultaneously
The occurrence of filtration treatment is dried to ambient atmos before measuring, can be influenced to avoid measuring accuracy by humidity, into
One step improves the accuracy of measurement result.
The invention also provides a kind of combustible gas monitoring methods.
Fig. 8 is the flow chart of combustible gas monitoring method according to an embodiment of the invention.It should be noted that this hair
The combustible gas monitoring method of bright embodiment can be used in the combustible gas monitoring equipment of the embodiment of the present invention, that is to say, that this
The measurement that combustible gas monitoring method carries out combustable gas concentration can be used in the combustible gas monitoring equipment of inventive embodiments.
As shown in figure 8, the combustible gas monitoring method may include:
S810, control air pump is evacuated from external environment, and the ambient atmos being drawn into are dried by desiccant
Filtration treatment.
S820, using tunable diode laser absorption spectroscopy technology is based on, to the extraneous gas by dry filter processing
Body carries out combustable gas concentration measurement.
For example, can be used by laser methane sensor based on TDLAS technology to described by the outer of dry filter processing
Boundary's gas carries out combustable gas concentration measurement.It is appreciated that being according to the Lambert-Beer (ratio of lambert one based on TDLAS technology
You) characteristic that changes with Injection Current and temperature of law and laser emission wavelength, it realizes to gas molecules sorb spectral line
Measurement.The light intensity that laser is issued is after Injection Current is modulated, by carrying out spectrum point to the light after absorbing via gas
Analysis can accurately obtain tested every gas index parameter.
Whether S830, the combustable gas concentration for judging that measurement obtains are greater than or equal to the first preset threshold.
S840 is generated if the combustable gas concentration that measurement obtains is greater than or equal to the first preset threshold for flammable
The warning message of gas concentration.
S850 will be sent to monitoring center's platform for the warning message of combustable gas concentration；It is described to be directed to fuel gas
The warning message of concentration carries out the alarm exceeded for combustable gas concentration for monitoring center's platform.
That is, being produced when the combustable gas concentration that judgement measurement obtains is greater than or equal to the first preset threshold
Monitoring center's platform is sent to for the warning message of combustable gas concentration, and by the warning message.Monitoring center's platform is connecing
It alarms when receiving the warning message, for example, being reported by modes such as warning lamp, voice broadcast and/or text prompting frames
It is alert, with inform in environment scene that the combustible gas monitoring equipment of monitoring personnel transmission warning message is presently in can
Combustion gas bulk concentration is exceeded, need to arouse attention and be effectively treated using corresponding measure, such as to scene to fuel gas, with
Reduce the concentration of fuel gas.
In order to enable monitoring personnel can recognize alarm in time during under scene to be measured combustable gas concentration it is real-time
Situation, optionally, in one embodiment of the invention, in the obtained combustable gas concentration that measures more than or equal to described
It when the first preset threshold, is distributed according to combustable gas concentration diffusion profile, periodically controls the air pump from the extraneous ring
It is evacuated in border, and combustable gas concentration measurement is carried out to the ambient atmos of extraction.
That is, can expand according to combustable gas concentration when the combustable gas concentration for judging that the measurement obtains is exceeded
Curve distribution is dissipated, the measurement that a combustable gas concentration is carried out at interval of certain time (such as 5 minutes) is set, and will measure
Combustable gas concentration real-time report gives monitoring center's platform, and monitoring personnel is enabled to recognize field to be measured during alarm in time
The real-time condition of combustable gas concentration under scape.
Optionally, in one embodiment of the invention, the air pump is periodically controlled from the extraneous ring described
Be evacuated in border, and to the ambient atmos of extraction carry out combustable gas concentration measurement during, the combustible gas monitoring method is also
Can include: when detecting that any combustable gas concentration is less than first preset threshold on time of measuring point, to institute
It states monitoring center's platform and sends all clear information；The all clear information releases the needle for monitoring center's platform
The alarm exceeded to combustable gas concentration.In this way, monitoring center's platform can release the alarm exceeded for combustable gas concentration, make
Monitoring personnel is obtained without excessively being paid close attention to it, and combustible gas monitoring equipment can exit alarm monitoring mode, into mark
Quasi-mode reverts to normal condition for the detection cycle of the combustable gas concentration of external environment.
Data measured by combustible gas monitoring equipment are monitored and are analyzed in order to facilitate monitoring personnel, optionally,
In one embodiment of the invention, if the obtained combustable gas concentration that measures is less than first preset threshold,
The obtained combustable gas concentration that measures is stored, and when current time reaches preset data uplink time, it will
The combustable gas concentration data of storage are uploaded to monitoring center's platform.That is, judge it is described measure obtain can
When combustion gas bulk concentration is less than first preset threshold, at this time it is believed that the combustable gas concentration of external environment is in normal range (NR)
It is interior, it, can be by the current external environment without reporting the combustable gas concentration in current outside environment to monitoring center's platform in time
In combustable gas concentration stored, during storage, by the combustable gas concentration in current outside environment and can work as
The temporal information of preceding measurement, which synchronizes, to be stored, in this way, when current time reaches preset data uplink time, by storage
Combustable gas concentration data and corresponding temporal information synchronized upload are to monitoring center's platform.In this way, monitoring center's platform obtains
Temporal information when combustable gas concentration data and the measurement combustable gas concentration, so as to according to the combustable gas concentration number of acquisition
Data analysis and monitoring are carried out according to corresponding time of measuring information.
Combustible gas monitoring method according to an embodiment of the present invention can be evacuated from external environment by air pump, and be passed through
Filtration treatment is dried to the ambient atmos being drawn into desiccant, and using based on tunable diode laser absorption spectroscopy skill
Art carries out combustable gas concentration measurement to the ambient atmos by dry filter processing, and dense in the fuel gas that measurement obtains
It when spending exceeded, alarms to monitoring center's platform, to inform the fuel gas prison of monitoring personnel transmission warning message
The combustable gas concentration in environment scene that measurement equipment is presently in is exceeded, need to arouse attention and use corresponding measure, such as arrive
Scene is effectively treated fuel gas, to reduce the concentration of fuel gas, can satisfy in urban underground space
Combustable gas concentration measurement and early warning, and realize that fuel gas is dense using based on tunable diode laser absorption spectroscopy technology
The measurement of degree improves the accuracy of measurement result, while filtration treatment is dried to ambient atmos before measuring, can keep away
Exempt from the occurrence of measuring accuracy is influenced by humidity, further improves the accuracy of measurement result.
In order to realize above-described embodiment, the invention also provides a kind of combustible gas monitoring systems.
Fig. 9 is the structural schematic diagram of combustible gas monitoring system according to an embodiment of the invention.As shown in figure 9, should
Combustible gas monitoring system 900 may include: combustible gas monitoring equipment 10 and monitoring center's platform 20.
Specifically, the function description of combustible gas monitoring equipment 10 can be found in above-mentioned Fig. 1 and supervise to fuel gas shown in Fig. 7
The function of measurement equipment describes, and details are not described herein.
Monitoring center's platform 20 can be used for receiving the monitoring data of the transmission of combustible gas monitoring equipment 10, and receive combustible gas
The warning message that body monitoring device 10 is sent, and alarmed according to the warning message.
Combustible gas monitoring system according to an embodiment of the present invention, can be by the air pump in combustible gas monitoring equipment from outer
It is evacuated in boundary's environment, and filtration treatment is dried to the ambient atmos being drawn by desiccant, and using based on tunable
Diode Laser Absorption Spectroscopy, to the ambient atmos progress combustable gas concentration measurement by dry filter processing, and
When the combustable gas concentration that measurement obtains is exceeded, alarm to monitoring center's platform, to inform described in the monitoring personnel transmission
The combustable gas concentration in environment scene that the combustible gas monitoring equipment of warning message is presently in is exceeded, need to arouse attention simultaneously
Fuel gas is effectively treated using corresponding measure, such as to scene, to reduce the concentration of fuel gas, can satisfy
To the combustable gas concentration measurement and early warning in urban underground space, and using based on tunable diode laser absorption spectroscopy
Technology realizes the measurement of combustable gas concentration, improves the accuracy of measurement result, while carrying out before measuring to ambient atmos
Dry filter processing, the occurrence of can be influenced to avoid measuring accuracy by humidity, further improves the essence of measurement result
Exactness.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction
The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium ", which can be, any may include, stores, communicates, propagates or pass
Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment
It sets.The more specific example (non-exhaustive list) of computer-readable medium include the following: there is the electricity of one or more wirings
Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can then be edited, be interpreted or when necessary with it for example by carrying out optical scanner to paper or other media
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, each functional unit in each embodiment of the present invention can integrate in a processing module
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..Although having been shown and retouching above
The embodiment of the present invention is stated, it is to be understood that above-described embodiment is exemplary, and should not be understood as to limit of the invention
System, those skilled in the art can be changed above-described embodiment, modify, replace and become within the scope of the invention
Type.
Claims (14)
1. a kind of combustible gas monitoring equipment characterized by comprising battery flat and main body module, wherein
The battery flat is provided with battery, and the battery flat is used to through power supply line be main body module power supply；
The main body module includes:
Air pump is transmitted for being evacuated from external environment, and by the ambient atmos being drawn by the air inlet of the main body module
To gas dry storehouse；
The gas dry storehouse, has desiccant in the gas dry storehouse, the desiccant be used for it is described be drawn into it is outer
Filtration treatment is dried in boundary's gas, and will be sent to gas detection storehouse by the ambient atmos of dry filter processing；
The gas detection storehouse, has laser methane sensor in the gas detection storehouse, and the laser methane sensor is used for
It is flammable using being carried out based on tunable diode laser absorption spectroscopy technology to the ambient atmos handled by dry filter
Gas concentration measurement.
2. combustible gas monitoring equipment as described in claim 1, which is characterized in that the air pump is located at the gas detection storehouse
Between the gas outlet of the main body module.
3. combustible gas monitoring equipment as described in claim 1, which is characterized in that the main body module further include: processor and
Communication function module, wherein
The processor, the combustable gas concentration obtained for receiving the laser methane sensor measurement, and judge to receive
Combustable gas concentration whether be greater than or equal to the first preset threshold, and be greater than or wait in the combustable gas concentration received
When first preset threshold, warning message is generated, and the warning message is sent to by the communication function module
Monitoring center's platform；
The processor is also used to when the gas concentration received is less than first preset threshold, by the reception
To combustable gas concentration stored, and when current time reaches preset data uplink time, by the combustible gas of storage
Bulk concentration data are uploaded to monitoring center's platform by the communication function module.
4. combustible gas monitoring equipment as claimed in claim 3, which is characterized in that lead to used by the communication function module
Letter mode is based on cellular narrowband Internet of Things NB-IOT communication modes.
5. combustible gas monitoring equipment as claimed in claim 3, which is characterized in that the gas detection storehouse further include:
First Temperature Humidity Sensor, for carrying out Temperature and Humidity to the ambient atmos handled by dry filter, and will
The the first temperature and humidity information detected is sent to the processor；
Wherein, the processor is also used to the first temperature and humidity information detected according to first Temperature Humidity Sensor, detection
The current dry filter degree of the desiccant, and it is pre- less than second in the current dry filter degree for detecting the desiccant
If when threshold value, generating the replacement request information for being directed to desiccant, and described will be directed to desiccant by the communication function module
Replacement request information be sent to monitoring center's platform.
6. combustible gas monitoring equipment as claimed in claim 3, which is characterized in that the main body module further include:
Second Temperature Humidity Sensor, second Temperature Humidity Sensor are set between the air inlet and the gas dry storehouse
The steady gas circuit end of increasing, for detecting the second temperature and humidity information of external environment, and will test the second temperature and humidity information hair
It send to the processor；
Wherein, the processor is also used to deposit the second temperature and humidity information that second Temperature Humidity Sensor detects
Storage, and when current time reaches preset data uplink time, the second temperature and humidity information of storage is passed through into the communication function
Energy module is uploaded to monitoring center's platform.
7. combustible gas monitoring equipment as claimed in claim 3, which is characterized in that the main body module further include:
Water detection module, the water detection module have probe, and the probe stretches out the main body module, and the water detection module is used
In being detected by the probe to the water level in space locating for the combustible gas monitoring equipment, and it is described detecting
When water level in space rises to early warning line, the warning message for immersion detection is generated, and pass through the communication function module
The warning message for immersion detection is sent to monitoring center's platform.
8. combustible gas monitoring equipment as claimed in claim 3, which is characterized in that further include:
Inclination angle detection module for detecting the current tilt angle of the combustible gas monitoring equipment, and is detecting described work as
When top rake angle is more than predetermined angle, warning message is sent to monitoring center's platform by the communication function module.
9. combustible gas monitoring equipment as claimed in claim 3, which is characterized in that further include:
Locating module, described in being obtained in real time when monitoring that the combustible gas monitoring equipment is currently at moving condition
The location information of combustible gas monitoring equipment, and the location information got in real time is sent to by the communication function module
Monitoring center's platform.
10. a kind of combustible gas monitoring method characterized by comprising
Control air pump is evacuated from external environment, and filtration treatment is dried to the ambient atmos being drawn by desiccant；
Using tunable diode laser absorption spectroscopy technology is based on, the ambient atmos by dry filter processing are carried out flammable
Gas concentration measurement；
Whether the combustable gas concentration for judging that measurement obtains is greater than or equal to the first preset threshold；
If the obtained combustable gas concentration that measures is greater than or equal to first preset threshold, generates and be directed to combustible gas
The warning message of bulk concentration；
The warning message for combustable gas concentration is sent to monitoring center's platform；It is described for combustable gas concentration
Warning message carries out the alarm exceeded for combustable gas concentration for monitoring center's platform.
11. combustible gas monitoring method as claimed in claim 10, which is characterized in that in the fuel gas for measuring and obtaining
When concentration is greater than or equal to first preset threshold, further includes:
It is distributed according to combustable gas concentration diffusion profile, periodically controls the air pump and be evacuated from the external environment, and
Combustable gas concentration measurement is carried out to the ambient atmos of extraction.
12. combustible gas monitoring method as claimed in claim 11, which is characterized in that periodically control the gas described
Pump be evacuated from the external environment, and to the ambient atmos of extraction carry out combustable gas concentration measurement during, further includes:
When detecting that any combustable gas concentration is less than first preset threshold on time of measuring point, to the prison
Measured center platform sends all clear information；The all clear information releases described be directed to for monitoring center's platform can
The exceeded alarm of combustion gas bulk concentration.
13. combustible gas monitoring method as claimed in claim 10, which is characterized in that further include:
If the obtained combustable gas concentration that measures is less than first preset threshold, the measurement is obtained flammable
Gas concentration is stored；
When current time reaches preset data uplink time, the combustable gas concentration data of storage are uploaded to the monitoring
Central platform.
14. a kind of combustible gas monitoring system characterized by comprising
Combustible gas monitoring equipment as claimed in any one of claims 1-9 wherein；And
Monitoring center's platform, the monitoring data sent for receiving the combustible gas monitoring equipment, and receive the combustible gas
The warning message that body monitoring device is sent, and alarmed according to the warning message.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110568126A (en) * | 2019-09-11 | 2019-12-13 | 任启兰 | Methane sensor |
| CN113218601A (en) * | 2021-04-29 | 2021-08-06 | 深圳市利拓光电有限公司 | Combustible gas leakage detection method, device and equipment based on laser sensor |
| CN114001870A (en) * | 2021-11-28 | 2022-02-01 | 上海埃科燃气测控设备有限公司 | Automatic control valve with laser detection function for gas leakage and detection control method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001153840A (en) * | 1999-11-24 | 2001-06-08 | Nippon Soken Inc | Gas sensor and detecting method for flammable gas constituent concentration |
| CN101178153A (en) * | 2007-12-07 | 2008-05-14 | 中国科学技术大学 | Locating method and system for city gas pipeline leakage test |
| CN201060203Y (en) * | 2007-06-07 | 2008-05-14 | 上海融德机电工程设备有限公司 | Suction type combustible gas monitoring alarming device |
| CN102435472A (en) * | 2011-12-14 | 2012-05-02 | 河南汉威电子股份有限公司 | Urban underground pipe network gas detection device and detection method thereof |
| CN203745372U (en) * | 2014-03-19 | 2014-07-30 | 中国计量学院 | Intermediate infrared tunable semiconductor light source spectrum absorption technology-based methane concentration detection device |
| CN204389921U (en) * | 2014-12-12 | 2015-06-10 | 重庆多邦科技发展有限公司 | Integrated apparatus is disposed in a kind of inflammable gas on-line monitoring early warning and robotization |
-
2018
- 2018-10-22 CN CN201811232008.5A patent/CN109490249A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001153840A (en) * | 1999-11-24 | 2001-06-08 | Nippon Soken Inc | Gas sensor and detecting method for flammable gas constituent concentration |
| CN201060203Y (en) * | 2007-06-07 | 2008-05-14 | 上海融德机电工程设备有限公司 | Suction type combustible gas monitoring alarming device |
| CN101178153A (en) * | 2007-12-07 | 2008-05-14 | 中国科学技术大学 | Locating method and system for city gas pipeline leakage test |
| CN102435472A (en) * | 2011-12-14 | 2012-05-02 | 河南汉威电子股份有限公司 | Urban underground pipe network gas detection device and detection method thereof |
| CN203745372U (en) * | 2014-03-19 | 2014-07-30 | 中国计量学院 | Intermediate infrared tunable semiconductor light source spectrum absorption technology-based methane concentration detection device |
| CN204389921U (en) * | 2014-12-12 | 2015-06-10 | 重庆多邦科技发展有限公司 | Integrated apparatus is disposed in a kind of inflammable gas on-line monitoring early warning and robotization |
Non-Patent Citations (4)
| Title |
|---|
| 刘佳: "无线传感器网络在环境监测中的应用", 《后勤工程学院学报》 * |
| 杨永胜: "一种城市燃气管网泄漏风险动态计算模型", 《中国安全科学学报》 * |
| 邹光华: "《采矿新技术》", 31 July 2013, 中国矿业大学出版社 * |
| 马为红: "面向大规模、多区域的可燃气体远程监测预警技术", 《北京工业大学学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110568126A (en) * | 2019-09-11 | 2019-12-13 | 任启兰 | Methane sensor |
| CN113218601A (en) * | 2021-04-29 | 2021-08-06 | 深圳市利拓光电有限公司 | Combustible gas leakage detection method, device and equipment based on laser sensor |
| CN114001870A (en) * | 2021-11-28 | 2022-02-01 | 上海埃科燃气测控设备有限公司 | Automatic control valve with laser detection function for gas leakage and detection control method |
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