CN109458568A - A kind of VOCs leakage miniature monitor and on-line monitoring system - Google Patents
A kind of VOCs leakage miniature monitor and on-line monitoring system Download PDFInfo
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- CN109458568A CN109458568A CN201811526217.0A CN201811526217A CN109458568A CN 109458568 A CN109458568 A CN 109458568A CN 201811526217 A CN201811526217 A CN 201811526217A CN 109458568 A CN109458568 A CN 109458568A
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- vocs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- General Engineering & Computer Science (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention provides a kind of VOCs leakage miniature monitor and on-line monitoring systems, and the present invention relates to gas sensor domains, including the sensor probe outside monitor main body and the stretching main body；The sensor probe is connect with the main body by data line；The sensor probe is by the main body control, the beneficial effects of the present invention are can reduce the complexity that VOCs leak detector itself makes by split-type design, reduce cost, expand the scope of application, VOCs leak miniature on-line monitoring system can real time on-line monitoring VOCs leak concentration, and VOCs is leaked into concentration data, platform is monitored on-line by the VOCs leakage that gateway is uploaded to cloud, it is convenient and practical.
Description
Technical field
The present invention relates to gas sensor domain, in particular to a kind of VOCs leaks miniature on-line monitoring system.
Background technique
Volatile organic compounds (Volatile Organic Compounds, VOCs) is to cause ozone, photochemistry cigarette
The important precursor of mist and gray haze pollution, part VOCs also have toxicity and carcinogenicity, can be detrimental to health.Petrochemical industry
It is China's industrial source VOCs primary discharge industry, discharge amount is big and based on uncontrollable discharge.
The traditional detection method of LDAR technology is manually checked using handheld device, all kinds of reaction kettles of monitoring chemical company,
Feedstock transportation pipeline, pump, compressor, valve, flange etc. are also easy to produce at volatile organic matter leakage, and repairing is more than a certain concentration
Leak detection at, thus reach control raw material leakage pollute the environment.Although artificial investigation can reach regular control
The purpose of VOCs leakage, but there are still following problems: (1) detection cycle long, real-time is poor: general provision detection cycle is 3
A month primary, as leaked in detection cycle, can not obtain leakage site, concentration and leak time in time, there are safety
With the hidden danger of environmental protection；(2) be not suitable for unreachable point: the mode manually checked is not suitable for the VOCs leakage of unreachable point and harm point
High-frequency routine monitoring；(3) time-consuming and laborious: a large amount of manpower and material resources will be expended using the mode manually checked, and carried out primary
Complete investigation, needs the plenty of time, increases the workload of testing staff；(4) testing staff's security presence hidden danger: unreachable
The detection of point is to the security presence hidden danger of testing staff, and the dangerous VOCs gas leakage in part causes the health of testing staff
It threatens.
In order to overcome the above problem, the fixed on-line monitoring equipment of VOCs leakage gradually appears in the prior art, still
The sensor of general fixed monitoring device is often built in main equipment, and application scenarios are limited, simultaneously because installation is complicated,
Higher cost.
Summary of the invention
The technical problem to be solved by the present invention is to the sensors of existing general fixed monitoring device to be often built in master
It is inconvenient for use in body equipment, while higher cost.
In order to solve the above-mentioned technical problem, a kind of VOCs leakage miniature monitor and on-line monitoring system are disclosed in the present invention
System, the technical scheme is that be implemented:
A kind of VOCs leakage miniature monitor, including the sensor probe outside monitor main body and the stretching main body；
The sensor probe is connect with the main body by data line；The sensor probe is by the main body control.
Preferably, processing and cache module, main controller module, RF receiving and transmission module, power supply, electricity are equipped in the main body
The antenna outside the main body is extended in source control module, memory and part.
Preferably, the sensor probe be a variety of environmental information sensors, including gas sensor, temperature sensor,
Humidity sensor, vibrating sensor, pressure sensor or flow sensor, gas sensor include semiconductor-type gas sensing
Device, electrochemical gas sensor, catalytic combustion method gas sensor or conducting polymer formula gas sensor.
Preferably, the volume of the sensor probe is no more than 125cm3, the body volume is no more than 1000cm3。
A kind of VOCs leakage on-line monitoring system, including hardware components and software section；The hardware components include upper
State any a kind of VOCs the leakage miniature monitor, several pipelines, two methods that the adjacent pipeline junction is set
Washer blue and being arranged between two flanges；VOCs is full of in the pipeline, the main body is fixed on pipeline, the biography
Sensor probe extends to outside the washer；The software section includes gateway and cloud data platform；The main body is by the cloud
Data platform control；The gateway is wirelessly connected with the main body and the cloud data platform.
Preferably, the cloud data platform include equipment real-time monitoring O&M module, data observation analysis module, alarm and
Source of leaks analysis module and big data cloud computing module.
Preferably, it is 1s~1day that the cloud data platform, which controls the monitoring frequency of the main body,.
Preferably, the VOCs leakage miniature monitor and the gateway are set as several, and the VOCs leakage is miniature
Monitor quantity is no more than 10000, and the gateway quantity is no more than 2000.
Preferably, the sensor probe acquires TVOCs concentration total amount in the pipeline.
Preferably, the cloud data platform is tied using Principal Component Analysis Algorithm, multilayer convolutional neural networks algorithm or both
The algorithm of conjunction.
The beneficial effects of the practice of the present invention is:
1, the complexity that VOCs leak detector itself makes can be reduced by split-type design, reduces cost, expanded
The scope of application, while the sensor probe stretched out can be convenient replacement, extends the service life of entire monitor, improves monitoring
Accuracy.
2, it includes a complete pipeline that VOCs, which leaks miniature on-line monitoring system, and setting VOCs leaks miniature prison on pipeline
Device is surveyed, real time on-line monitoring VOCs leaks concentration, and VOCs leakage concentration data is let out by the VOCs that gateway is uploaded to cloud
Leakage on-line monitoring platform, it is convenient and practical.
3, VOCs, which leaks miniature on-line monitoring system monitoring, can directly monitor TVOCs concentration summation, and then realization pair
The real-time monitoring of VOCs leakage concentration.
4, VOCs is leaked miniature on-line monitoring system monitoring and can be calculated using Principal Component Analysis, multilayer convolutional neural networks
Method or both in conjunction with method realize the qualitative or quantitative identification of more gases.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
A kind of embodiment of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is in embodiment 1 for embodying the structural schematic diagram of main body；
Fig. 2 is in embodiment 2 for embodying the structural schematic diagram of flange；
Fig. 3 is in embodiment 2 for embodying the structural schematic diagram of cloud data platform；.
In above-mentioned attached drawing, each figure number label is respectively indicated:
1- main body；2- data line；3- sensor probe；4- pipeline；5- flange；6- gasket.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1: a kind of VOCs leakage miniature monitor, as shown in Figure 1, including monitor main body 1 and stretching main body 1
Outer sensor probe 3；Sensor probe 3 is connect with main body 1 by data line 2；Data line 2 is in the prior art can be achieved
The data line 2 of data-transformation facility can be realized the data transmission between sensor probe 3 and main body 1, and sensor is visited
First 2 are made by main body control 1.
In the above-described embodiment, main body 1 is fixed on and is prone to outside VOCs leakage point, and sensor probe 3 is then straight
It connects and is placed on needs and monitors there may be on the pipeline of leakage, when the VOCs stoste in pipeline leaks, sensor probe 3
Leakage concentration can be monitored rapidly, and compared to other VOCs leak detectors, this VOCs leakage miniature monitor is not required to
Change this body structure of pipeline, can Fast Installation deployment, while sensor probe 3 setting outside the main body, due to sensor visit
First 3 general small volume, even if space, lesser leakage point can also be placed, and then increase the scope of application, realize for
The monitoring of VOCs leakage point, in addition to this, what such split-type design can reduce that VOCs leak detector itself makes answers
Polygamy, and then the sensor probe 3 for reducing cost, while stretching out can be convenient replacement, data line 2 also can be set into clamping and insert
Mouthful, extend the service life of entire monitor, improves the accuracy of monitoring.
In one preferred embodiment, as shown in Figure 1, being equipped with processing and cache module, master controller mould in main body 1
The antenna outside main body, the work of sensor are extended in block, RF receiving and transmission module, power supply, energy supply control module, memory and part
Work is controlled by main controller module, and processing and cache module include signal processing unit, cache unit and logic control, sensor
Signal output is connect with signal processing unit, and the logic control of synchronous signal processing unit is completed by master controller, signal processing
Unit and cache unit export signal to main controller module, and main controller controls RF receiving and transmission module issues signal, whole
The working sequence of the duty cycle of a system and each module is controlled by main controller module, and power supply gives modules electric energy,
Power supply is provided by battery, can also be provided, can be arranged according to application scenarios by extraneous power supply, can be set to battery, lithium electricity
Pond, solar battery or other batteries in the prior art.
In the above-described embodiment, this main body 1 and sensor probe 3 separate so that include power supply main body 1 it is separate
VOCs leakage point is placed in the sensor probe 3 comprising several micro-ampere currents in gas leakage atmosphere, can achieve explosion-proof etc.
Grade, so that leakage monitoring is more safe and reliable, reduces there is a situation where exploding, reduces security risk.
In one preferred embodiment, as shown in Figure 1, sensor probe 3 is a variety of environmental information sensors, including
Gas sensor, temperature sensor, humidity sensor, vibrating sensor, pressure sensor or flow sensor, gas sensor
Including semiconductor-type gas sensor, electrochemical gas sensor, catalytic combustion method gas sensor or conducting polymer formula gas
Body sensor can select suitable sensor probe according to different application scenarios, to meet different use demands.
In one preferred embodiment, as shown in Figure 1, the volume of sensor probe 3 is no more than 125cm3, main body 1
Volume is no more than 1000cm3, in this embodiment, the volume of sensor probe 3 is 0.125cm3-125cm3, except sensing
1 volume of main body outside device probe 3 is 1cm3-1000cm3, limiting sensor probe 3 and the volume of main body 1 can satisfy for micro-
The requirement of type is reduced since volume is excessive, causes situation inconvenient for use, while the length of data line 2 is 10cm-2m, in turn
The distance between adjustable sensor probe 3 and main body 1, when the leakage point for needing to monitor the too small gap location in certain spaces
When, sensor probe 3 can be made to individually enter, and then satisfy the use demand.
Embodiment 2: the present invention also provides a kind of VOCs to leak on-line monitoring system, as shown in Figures 2 and 3, including it is hard
Part part and software section；Hardware components include above-mentioned any a kind of VOCs the leakage miniature monitor, several pipelines
4, the washer 6 that two flanges 5 of 4 junction of adjacent channel are set and are arranged between two flanges 5；It is full of in pipeline 6
VOCs, main body 1 are fixed on pipeline 6, and sensor probe 3 extends to outside washer 6；Software section includes that gateway and cloud data are flat
Platform；Main body is controlled by cloud data platform；Gateway is wirelessly connected with main body and cloud data platform.
In the above-described embodiment, as shown in figure 3, it includes one complete that the VOCs of invention, which leaks miniature on-line monitoring system,
Pipeline, setting VOCs leaks miniature monitor on pipeline, and then real time on-line monitoring VOCs leaks concentration, and VOCs is leaked
Concentration data is uploaded to the VOCs leakage on-line monitoring platform in cloud by gateway, and VOCs leakage on-line monitoring platform can pass through
A variety of mobile electronic devices log in, and can observe the leakage concentration of the point on the pipeline in real time, and provide real-time early warning
Function.
In one preferred embodiment, as shown in figure 3, VOCs leakage miniature monitor and gateway are set as several
A, the VOCs leakage miniature monitor quantity is no more than 10000, and the gateway quantity is no more than 2000, in this tool
In body embodiment, it is 5-10000 that VOCs, which leaks miniature monitor quantity, and gateway quantity is 1-2000.
Several VOCs leakage miniature monitor and gateway are set, the gasket of the different location on pipeline 4 can be set,
And then it may be implemented to reduce not set VOCs leakage miniature monitor on pipeline 4 to the real time monitoring on whole system pipeline 4
The real-time monitoring accuracy of whole system is improved in region, and stating for being specifically arranged two can be specifically arranged according to application environment, each
Distribution between VOCs leakage miniature monitor can be uniformly arranged, and non-homogeneous can also be arranged, multiple VOCs leak miniature prison
A gateway realization data transmission can be shared by surveying device.
Above-mentioned VOCs leaks VOCs leakage point that miniature on-line monitoring system can monitor in addition to the flange between the connection of pipeline 4
It further include pump, compressor, blender, valve, pressure relief device, opening valve or opening pipeline, sampling connection system, connector etc.
Seal point, the type of VOCs include benzene homologues, alkanes, alcohols, ketone, esters, halogenated hydrocarbon, heterocyclic, organic acid or
Amine etc., the gas circuit type that VOCs leaks miniature on-line monitoring system is diffusion type.
In one preferred embodiment, cloud data platform includes equipment real-time monitoring O&M module, data observation point
Module, alarm and source of leaks analysis module and big data cloud computing module are analysed, equipment real-time monitoring O&M module is for real-time
The operating and monitoring of monitoring system, data observation analysis module are used to receive the data transmitted in main body and analyze data, in turn
Real-time Feedback monitoring result, alarm and source of leaks analysis module are for being analyzed and being warned to leakage point.
In one preferred embodiment, sensor probe 3 acquires TVOCs concentration total amount in pipeline 4, passes through monitoring
TVOCs total amount realizes the real-time direct monitoring for VOCs concentration, when the VOCs in pipeline 4 is leaked, sensor probe 3
Leakage concentration can be monitored rapidly, and VOCs leakage monitoring point includes and the direct connection point of atmosphere, static seal point and dynamic sealing point.
In one preferred embodiment, the monitoring frequency of cloud data platform control main body is 1s~1day, passes through cloud
Data platform controls the real-time monitoring frequency of main body, can satisfy different use demands, and monitoring frequency is controlled in 1s~1day,
Monitoring frequency can be set by mobile electronic device boundary, be easy to use.
3 in implementation: a kind of VOCs leakage on-line monitoring system, difference from Example 2 are: cloud data platform uses
The algorithm that Principal Component Analysis Algorithm, multilayer convolutional neural networks algorithm or both combine；Using Principal Component Analysis, multilayer convolution
Neural network algorithm or both in conjunction with method realize the qualitative or quantitative identification of more gases, using in sensor probe 3
Data array realizes that the multiple gases factor is quantitatively differentiated, and further increases the precision of analysis to monitoring ingredient, and then convenient logical
It crosses mobile electronic device and obtains monitoring result in real time.
The above-mentioned various embodiments enumerated can be combined with each other implementation, those skilled in the art under the premise of reconcilable
In combination with attached drawing and above to the explanation of embodiment, as the foundation being combined to the technical characteristic in different embodiments.
It should be pointed out that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in guarantor of the invention
Within the scope of shield.
Claims (10)
1. a kind of VOCs leaks miniature monitor, it is characterised in that:
Including the sensor probe outside monitor main body and the stretching main body；
The sensor probe is connect with the main body by data line；
The sensor probe is by the main body control.
2. a kind of VOCs according to claim 1 leaks miniature monitor, it is characterised in that:
Be equipped in the main body processing and cache module, main controller module, RF receiving and transmission module, power supply, energy supply control module,
The antenna outside the main body is extended in memory and part.
3. a kind of VOCs according to claim 1 leaks miniature monitor, it is characterised in that:
The sensor probe be a variety of environmental information sensors, including gas sensor, temperature sensor, humidity sensor,
Vibrating sensor, pressure sensor or flow sensor, gas sensor include semiconductor-type gas sensor, electrochemical gas
Sensor, catalytic combustion method gas sensor or conducting polymer formula gas sensor.
4. a kind of VOCs according to claim 1 leaks miniature monitor, it is characterised in that:
The volume of the sensor probe is no more than 125cm3, the body volume is no more than 1000cm3。
5. a kind of VOCs leaks on-line monitoring system, it is characterised in that:
Including hardware components and software section；
If the hardware components include the leakage of a kind of VOCs described in any one miniature monitor in the claims 1~4,
Main pipe road, two flanges that the adjacent pipeline junction is set and the washer being arranged between two flanges；
VOCs gas or liquid are full of in the pipeline, the main body is fixed on pipeline, and the sensor probe extends to institute
It states outside washer；
The software section includes the software used on gateway and cloud data platform；
The main body is controlled by the cloud data platform；
The gateway passes through wireless communication mode with the main body and the cloud data platform and connect.
6. a kind of VOCs according to claim 5 leaks on-line monitoring system, it is characterised in that: the cloud data platform packet
Include equipment real-time monitoring O&M module, data observation analysis module, alarm and source of leaks analysis module and big data cloud computing
Module.
7. a kind of VOCs according to claim 5 leaks on-line monitoring system, it is characterised in that: the cloud data platform control
The monitoring frequency for making the main body is 1s~1day.
8. a kind of VOCs according to claim 5 leaks on-line monitoring system, it is characterised in that: the VOCs leakage is miniature
Monitor and the gateway are set as several, and the VOCs leakage miniature monitor quantity is the net no more than 10000
It closes quantity and is no more than 2000.
9. a kind of VOCs according to claim 6 leaks on-line monitoring system, it is characterised in that: the sensor probe is adopted
Collect TVOCs concentration total amount in the pipeline.
10. a kind of VOCs according to claim 9 leaks on-line monitoring system, it is characterised in that: the cloud data platform
It include the calculation combined using Principal Component Analysis Algorithm, multilayer convolutional neural networks algorithm or both for sensor recognizer
Method.
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Cited By (4)
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|---|---|---|---|---|
| CN110107819A (en) * | 2019-05-17 | 2019-08-09 | 河南工业大学 | A kind of petroleum chemicals conveyance conduit leakage monitoring early warning system and method |
| CN110542512A (en) * | 2019-09-05 | 2019-12-06 | 上海因士环保科技有限公司 | Pipeline flange leakage online monitoring device and installation method |
| CN112304508A (en) * | 2019-07-31 | 2021-02-02 | 中国石油化工股份有限公司 | VOCs leakage detection device and system |
| CN115388336A (en) * | 2022-09-19 | 2022-11-25 | 淄博联怡染整有限公司 | A safety device for VOCs administers technique |
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| CN112304508A (en) * | 2019-07-31 | 2021-02-02 | 中国石油化工股份有限公司 | VOCs leakage detection device and system |
| CN112304508B (en) * | 2019-07-31 | 2024-02-13 | 中国石油化工股份有限公司 | VOCs leak detection device and system |
| CN110542512A (en) * | 2019-09-05 | 2019-12-06 | 上海因士环保科技有限公司 | Pipeline flange leakage online monitoring device and installation method |
| CN115388336A (en) * | 2022-09-19 | 2022-11-25 | 淄博联怡染整有限公司 | A safety device for VOCs administers technique |
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