CN207894812U - A kind of laser detector for distinguishing biogas and natural gas - Google Patents
A kind of laser detector for distinguishing biogas and natural gas Download PDFInfo
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- CN207894812U CN207894812U CN201820205650.3U CN201820205650U CN207894812U CN 207894812 U CN207894812 U CN 207894812U CN 201820205650 U CN201820205650 U CN 201820205650U CN 207894812 U CN207894812 U CN 207894812U
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Abstract
The utility model discloses a kind of laser detectors for distinguishing biogas and natural gas, described device is internally provided with sample gas acquisition port, built-in pumping, laser detecting apparatus, data analysis module, data-printing module and GPSmap data transmission modules, sample gas acquisition port, built-in pumping, laser detecting apparatus, data analysis module, data-printing module and GPSmap data transmission modules are sequentially connected, wherein sample gas acquires port external connection sample gas collection bag, and the GPSmap data transmission modules are carried out data transmission by wireless network and GCSOFT systems.The utility model utilizes laser detecting apparatus, and high specificity, response speed is in 0.25S, high resolution, and 1ppm will be responded, and 1684nm wavelength lasers can fully absorb neighbouring ethane, is not formed and is interfered with other gases.
Description
Technical field
The utility model is related to a kind of gas-detecting device more particularly to a kind of laser detections for distinguishing biogas and natural gas
Device.
Background technology
Domestic city process development is very fast, and the construction problem and problem of materials thus grown largely exists, and pipeline is not advised
Model is arranged, and is influenced by traffic above-ground pressure and other factors, and pipe gas leakage happens occasionally, and the biogas grown in sewage also can
As pipe trench is spread wantonly, the flammable gas explosion accident moment occurred because unexpected sounds the alarm to us.It is domestic at present
Outer common gas detection analytical equipment mainly distinguishes biogas and natural gas using chromatography of gases analysis, in actual analysis
In, the methane of small molecule is separated and is detected by sensor first, while being shown in the display screen of instrument, if detected
Gas be natural gas if, after a short time, ethane can also be detected and show, this technology is on the market
There are the several years, but it is considerably complicated to operate, and also only veteran personnel just can clearly offer an explanation.
For existing domestic and international technology mainly by infrared principles, detection mode is diffusion or pumping, is tested by chromatography
Gas componant, at present distinct disadvantage existing for infrared principles：Poor specificity, sensor are excessively sensitive to propane and butane；Response
Speed is too slow, about 10S；Resolution ratio is reactionless to low concentration in 10PPM or more；Stability is poor, is influenced by temperature, humidity；Weight
Renaturation is poor, needs to correct measurement zero every year, body service life is short, about 5 years or so；If detected point using Principles of Laser
No matter analysis, then all greatly promote from specificity, precision, response speed, null offset, resolution ratio, service life；Without built in
GPS module and data transmission module, can not be in real time by information back data platform.
Detect ethane（C2H6）With the presence or absence of being to be used for distinguishing biogas and natural gas or other pipelines by what DVGW was recognized
The method of combustion gas, in actual operation, it is often necessary to finding that the place of fuel gas carries out necessary gas property analysis, with
Just confirm institute it is found out that natural gas rather than biogas（Biogas）.
Utility model content
The technical problem to be solved by the utility model is to be directed to that poor specificity, speed exists in the prior art slowly, surely
The problems such as qualitative poor, poor repeatability, proposes a kind of laser detector for distinguishing biogas and natural gas, solves in underground piping
The indistinguishable problem of fuel gas, warning in advance patrol officer, pre- blast protection occurs, while defining the gas because of caused by accident
Divisions of responsibility problem after body explosion.
Technical solution adopted by the utility model to solve its technical problems is：A kind of laser for distinguishing biogas and natural gas
Detection device, described device is internally provided with sample gas acquisition port, built-in pumping, laser detecting apparatus, data analysis module, data are beaten
Impression block and GPSmap data transmission modules, sample gas acquisition port, built-in pumping, laser detecting apparatus, data analysis module,
Data-printing module and GPSmap data transmission modules are sequentially connected, and wherein sample gas acquires port external connection sample gas collection bag,
The GPSmap data transmission modules are carried out data transmission by wireless network and GCSOFT systems.
Preferably, the laser detecting apparatus is internally provided with laser light pond and laser emitter, wherein laser light pond end with it is interior
Set pumping connection.
Preferably, the laser of the laser transmitter projects 1684nm wavelength.
Preferably, the pipeline between the sample gas acquisition port and built-in pumping is equipped with contaminant filter.
Preferably, the GPSmap data transmission modules are equipped with data-interface.
Preferably, display screen is additionally provided with outside described device, wherein display screen is electrically connected with data analysis module.
The utility model has the following advantages compared with prior art：
（1）The utility model utilizes laser detecting apparatus, and high specificity, response speed is in 0.25S, high resolution, 1ppm
It will respond, 1684nm wavelength lasers can fully absorb neighbouring ethane, do not formed and interfered with other gases；
（2）The utility model uses optical principle, component long lifespan not to need periodic calibrating, no up to 10 years or more
With correction zero；
（3）The utility model combination GCSOFT system management softwares, can record and upload download gas analysis data at any time
And location information, reach good back-end data interaction；
（4）The utility model is not influenced by temperature humidity.
Description of the drawings
Fig. 1 is the utility model internal structure schematic diagram；
Fig. 2 is the utility model external structure schematic diagram.
Reference sign：
1- sample gas acquisition port, pumping built in 2-, 3- laser detecting apparatus, 4- data analysis modules, 5- data-printing modules,
6-GPSmap data transmission modules, 7- laser lights pond, 8- laser emitters, 9- contaminant filters, 10- data-interfaces.
Specific implementation mode
Specific embodiment of the present invention is described with reference to the accompanying drawings and embodiments：
It should be noted that structure, ratio, the size etc. illustrated in this specification institute attached drawing, only coordinating explanation
It is enforceable to be not limited to the utility model so that those skilled in the art understands and reads for the revealed content of book
Qualifications, the modification of any structure, the change of proportionate relationship or the adjustment of size, can be generated not influencing the utility model
The effect of and the purpose that can reach under, should all still fall and obtain the range that can cover in the revealed technology contents of the utility model
It is interior.
Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term, also
Only being illustrated for ease of narration, rather than to limit the enforceable range of the utility model, relativeness is altered or modified,
In the case where changing technology contents without essence, when being also considered as the enforceable scope of the utility model.
As shown in Figure 1 and 2, a kind of laser detector for distinguishing biogas and natural gas, described device are internally provided with sample gas and adopt
Collect port 1, built-in pumping 2, laser detecting apparatus 3, data analysis module 4, data-printing module 5 and GPSmap data transmission modules
6, sample gas acquisition port 1, built-in pumping 2, laser detecting apparatus 3, data analysis module 4, data-printing module 5 and GPSmap
Data transmission module 6 is sequentially connected, and wherein sample gas acquires 1 external connection sample gas collection bag of port, the GPSmap data transmissions
Module 6 is carried out data transmission by wireless network and GCSOFT systems.
Preferably, the laser detecting apparatus 3 is internally provided with laser light pond 7 and laser emitter 8, wherein 7 end of laser light pond
It is connect with built-in pumping 2.
Preferably, the laser emitter 8 emits the laser of 1684nm wavelength.
Preferably, the pipeline between the sample gas acquisition port 1 and built-in pumping 2 is equipped with contaminant filter 9.
Preferably, the GPSmap data transmission modules 6 are equipped with data-interface 10.
Preferably, display screen is additionally provided with outside described device, wherein display screen is electrically connected with data analysis module 4.
Utility model works principle is as follows：
Built-in pumping, by the laser light pond of tested gas inhalation device, is sent out specific using pump suction type by laser emitter
Wavelength laser beam penetrates tested gas, and the light of 1684nm wavelength is only absorbed by ethane, do not influenced by other gas ingredients, special
It is anisotropic extremely strong, can qualitative be natural gas, because containing a small amount of second in natural gas if after detecting ethane in tested gas
Alkane gas is then entirely free of ethane in biogas.
As a result after confirming, detection data and location information can be built storage, can also pass through built-in GPSmap data transmissions
Module beams back GCSOFT system background cloud storages, in case after look into, wherein between GPSmap data transmission modules and GCSOFT systems
Data upload may be implemented and data are downloaded, backstage can also be passed through and download the data inspection that high in the clouds stores.
The utility model utilizes laser detecting apparatus, and high specificity, for response speed in 0.25S, high resolution, 1ppm will
Response, 1684nm wavelength lasers can fully absorb neighbouring ethane, do not formed and interfered with other gases；Using optical principle,
Component long lifespan did not needed periodic calibrating up to 10 years or more, did not had to correction zero；The utility model combination GCSOFT systems
System management software can be recorded and be uploaded and download gas analysis data and location information at any time, reach good back-end data interaction；
The utility model is not influenced by temperature humidity.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the utility model is not limited to
The above embodiment can also not depart from the utility model within the knowledge of a person skilled in the art
It is made a variety of changes under the premise of objective.
Many other changes and modifications may be made without departing from the spirit and scope of the utility model.It should be appreciated that this reality
It is not limited to specific embodiment with novel, the scope of the utility model is defined by the following claims.
Claims (6)
1. a kind of laser detector for distinguishing biogas and natural gas, it is characterised in that：Described device is internally provided with the acquisition of sample gas
Port, built-in pumping, laser detecting apparatus, data analysis module, data-printing module and GPSmap data transmission modules, the sample
Gas acquires port, built-in pumping, laser detecting apparatus, data analysis module, data-printing module and GPSmap data transmission modules
It is sequentially connected, wherein sample gas acquires port external connection sample gas collection bag, and the GPSmap data transmission modules pass through wireless network
Carry out data transmission with GCSOFT systems.
2. a kind of laser detector for distinguishing biogas and natural gas according to claim 1, it is characterised in that：It is described to swash
Optical detector is internally provided with laser light pond and laser emitter, and wherein laser light pond end is connect with built-in pumping.
3. a kind of laser detector for distinguishing biogas and natural gas according to claim 2, it is characterised in that：It is described to swash
Optical transmitting set emits the laser of 1684nm wavelength.
4. a kind of laser detector for distinguishing biogas and natural gas according to claim 1, it is characterised in that：The sample
Gas acquires the pipeline between port and built-in pumping and is equipped with contaminant filter.
5. a kind of laser detector for distinguishing biogas and natural gas according to claim 1, it is characterised in that：It is described
GPSmap data transmission modules are equipped with data-interface.
6. according to a kind of laser detector for distinguishing biogas and natural gas of claim 1 ~ 5 any one of them, feature exists
In：Display screen is additionally provided with outside described device, wherein display screen is electrically connected with data analysis module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820205650.3U CN207894812U (en) | 2018-02-06 | 2018-02-06 | A kind of laser detector for distinguishing biogas and natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820205650.3U CN207894812U (en) | 2018-02-06 | 2018-02-06 | A kind of laser detector for distinguishing biogas and natural gas |
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| Publication Number | Publication Date |
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| CN207894812U true CN207894812U (en) | 2018-09-21 |
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| CN201820205650.3U Active CN207894812U (en) | 2018-02-06 | 2018-02-06 | A kind of laser detector for distinguishing biogas and natural gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580903A (en) * | 2018-11-21 | 2019-04-05 | 郑州畅威物联网科技有限公司 | A kind of biogas natural gas intelligent judgement system for underground confined space |
-
2018
- 2018-02-06 CN CN201820205650.3U patent/CN207894812U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580903A (en) * | 2018-11-21 | 2019-04-05 | 郑州畅威物联网科技有限公司 | A kind of biogas natural gas intelligent judgement system for underground confined space |
| CN109580903B (en) * | 2018-11-21 | 2021-05-25 | 郑州畅威物联网科技有限公司 | Intelligent biogas and natural gas distinguishing system for underground closed space |
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