CN205982064U - Hand -held type methane laser telemetry and spot measurement device - Google Patents
Hand -held type methane laser telemetry and spot measurement device Download PDFInfo
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- CN205982064U CN205982064U CN201620638279.0U CN201620638279U CN205982064U CN 205982064 U CN205982064 U CN 205982064U CN 201620638279 U CN201620638279 U CN 201620638279U CN 205982064 U CN205982064 U CN 205982064U
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Abstract
The utility model provides a hand -held type methane laser telemetry and spot measurement device relates to photoelectronic field, the utility model discloses it constitutes to patrol and examine the appearance, fix a point to test the gas hood by laser -bounce board, hand -held type laser methane, hand -held type laser methane is patrolled and examined the appearance and is included battery charging module, voltage conversion module, laser methane sensing module, spectral analysis module, display module and alarm module, laser methane sensing module includes laser instrument, laser detector, simultaneously the utility model provides a methane leak testing location method can realize remote telemetering measurement and fix a position methane and reveal the region when the personnel of patrolling and examining use handheld instrument to patrol and examine, getting into and revealing the district back, installation fixed point test gas hood is patrolled and examined the appearance head to hand -held type laser methane and can be realized the continuous spot measurement of methane concentration, pinpoints the leakage point fast. The utility model discloses can the wide application in natural gas line patrol and examine, the gas plant reveals the detection, city utility tunnel natural gas line cabin is patrolled and examined, technical field such as mine gas detection.
Description
Technical field
The utility model is related to photoelectron technical field, especially a kind of hand-held first of laser gas detection technique field
Alkane laser telemetry and spot measurement device.
Background technology
Methane has a wide range of applications in nature.Can be natural gas, biogas, casing-head gas and coal mine as fuel
The main component of road gas；Methane is also a kind of important Chemical Manufacture raw material.But methane is a kind of flammable explosive gas, is giving birth to
In product, processing and transportation, if methane leaks, and when concentration reaches explosion limit, meet fire and blast can be occurred to cause sternly
The loss of weight, therefore, needs to carry out tight monitoring to methane in methane production manufacture and transportation.
Although having methane oxidizing archaea detecting system in the production of methane and processing enterprise in prior art, diffusion type is fixed
The sensor of configuration cannot provide the specified place of methane leakage.After fixed sensor monitors methane leakage it is necessary to
Patrol officer quick and precisely finds leakage point and carries out accident treatment.The natural gas portable detection equipment such as Conventional electrochemical class needs
Contact with methane to be measured, testing staff needs to enter in hazardous environment and detects methane concentration, there is certain risk；And monitoring mesh
Subject distance is too short, accuracy of detection is relatively low, easily made data distortion by such environmental effects such as temperature, humidity, there is potential safety hazard.
Content of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of hand-held quick and precisely positioning methane leakage point
Methane laser telemetry and spot measurement device and detection method, are capable of distant at a distance when patrol officer is patrolled and examined using hand-held instrument
Survey navigates to methane leakage region, and after entering leak region, achievable methane concentration continuity point is surveyed, and quick and precisely navigates to leakage
Point.
A kind of hand-held methane laser telemetry and spot measurement device are it is characterised in that by laser reflection plate, Handheld laser first
Alkane logging, fixed test gas hood composition；Laser reflection plate be arranged on it may happen that methane gas leakage position on；Hand-held
Laser methane logging is by battery charging module, voltage transformation module, laser methane sensing module, spectral analysis module, display
Module and alarm module composition；Laser methane sensing module is made up of laser instrument, laser detector；Laser instrument output laser letter
Number；Laser detector receives laser reflection plate and the laser beam of reflector plate reflection obtains target optical signal；Fixed test gas hood
It is arranged on Handheld laser methane logging detector front end, fixed test gas hood length is 0.1 meter to 1 meter；Reflector plate is arranged
Inside fixed test gas hood top；
The function of the laser detector of laser methane sensing module is to receive the laser of laser reflection plate and reflector plate reflection
Light beam obtains target optical signal, and by target optical signal transmission to spectral analysis module；
The function of spectral analysis module is that the spectrum of target optical signal that analysis receives obtains methane concentration value, and by first
Alkane concentration value is sent to display module；Display module is responsible for showing the concentration value of methane；Analyze when spectral analysis module and receive
To the methane concentration value that obtains of spectrum of target optical signal reach default alarm threshold value when, when spectral analysis module is to warning
Module sends startup alarm signal；
The startup alarm signal that alarm module receives spectral analysis module transmission sends sound, light and vibration alarming signal；
Handheld laser methane logging includes battery charging module, and the function of battery charging module is that battery is charged；
Handheld laser methane logging includes voltage transformation module, and voltage transformation module provides battery charging module to charge
Voltage；Voltage transformation module is by stable for cell voltage conversion in 3.3V voltage；
The laser beam wavelength of Handheld laser methane logging transmitting is 1.650 μm, energy is less than 10 milliwatts, live width
2MHz；
Laser reflection plate is gold-plated infrared external reflection Target Board abbreviation laser reflection plate, and high diffusing reflection rate reaches as high as 99%,
Extended testing system distance, supports cambered surface laser reflection and multi-angle laser reflection.
Based on above-mentioned purpose, the technical solution of the utility model proposes a kind of methane oxidizing archaea detection localization method, including：
1. judge methane leakage regional extent under telemetry mode：Excitation laser signal, launches laser beam, swashs described
Light beam alignment reflecting plate；Wherein, the light path of described excitation laser light beam is through it may happen that methane gas leak detection area is anti-
Penetrate plate；Reflection is through the laser beam of methane oxidizing archaea detection zone；Receive the reflection laser beam through methane oxidizing archaea detection zone, obtain
To target laser signal；Analyze the spectrum of described target laser signal, according to the spectrum change display module of target laser signal
Show the concentration value of methane, judge whether methane oxidizing archaea detection zone has methane oxidizing archaea, and be determined with the situation of methane oxidizing archaea
Under sound, light and vibration alarming signal are sent by alarm module.
2. fixed test gas hood is arranged on Handheld laser methane logging head and judges leakage point under fixed point mode
Position：Enter methane leakage region, excitation laser signal, launch laser beam, described laser beam is surveyed through being diffused into fixed point
Methane gas in gas testing cover；Reflector plate reflection in fixed test gas hood for the light path of described laser beam obtains target and swashs
Optical signal, the spectrum of analysis described reflection laser beam, first is shown according to the spectrum change display module of target laser signal
The concentration value of alkane, judge methane oxidizing archaea region in methane concrete concentration, and under methane leakage concentration values size cases by
Alarm module sends sound, light and vibration alarming signal；Leakage point minimum zone is positioned according to concentration values maximum.
Specifically, the detectable many places of Handheld laser methane logging it may happen that methane gas leakage region.
Due to taking above technical scheme, it has advantages below to the utility model：1. it is different from background technology, portable
Formula, has remote measurement, point surveys difunctional and sound and light of alarm；2. methane gas is not directly contacted with using remote measurement, essential safety is not
Powered, patrol officer judges danger before entering, and increased safety coefficient；3. laser reflection plate is set, and beneficial to receiving, laser is anti-
Penetrate the reflection source of plate, increased telemeter distance；4. Laser emission plate reflection loss laser signal or reflection are less than laser letter
Number, the region of methane oxidizing archaea can be determined by launching Board position；5. fixed point adopts laser monitoring technology it is achieved that low concentration is high
The CH_4 detection of precision, is easy to leakage point and quickly positions in time；6. the utility model can be widely applied to natural gas line and patrols
Inspection, gas plant's leak detection, city integrated piping lane natural gas line cabin are patrolled and examined, the technical field such as mine gas detection.
Brief description
Fig. 1 is structural representation under the utility model telemetry mode；
Fig. 2 is structural representation under the utility model fixed point mode；
The each label of in figure lists as follows
1 laser reflection plate, 2 Handheld laser methane loggings, 3 fixed test gas hoods, 4 it may happen that methane
Gas leakage region, 5 laser beams, 10 second laser reflecting plates, 21 laser instruments, 22 laser detectors, 23 show
Show module, 24 alarm modules, 25 spectral analysis modules, 26 photovoltaic conversion modules, 27 battery charging module, 31 is anti-
Penetrate piece.
Specific embodiment
For making the purpose of this utility model, content and advantage clearer, with reference to the accompanying drawings and examples, to this reality
It is described in further detail with new specific embodiment.
Refer to Fig. 1 and Fig. 2, present embodiments provide for a kind of hand-held methane laser telemetry and spot measurement device, including
Laser reflection plate 1, Handheld laser methane logging 2, fixed test gas hood 3；Described laser reflection plate 1 is installed solid in advance
Being scheduled on it may happen that the region 4 of methane gas leakage, when there is methane gas leakage, increased telemeter distance and reflected light
Intensity and be easy to search gas leakage point；Described Handheld laser remote methane moni tor 2 includes laser methane sensing module（Laser
Device 21 and laser detector 22）, display module 23, alarm module 24, spectral analysis module 25, voltage transformation module 26, battery
Charging module 27；Described fixed test gas hood 3 is arranged on the laser sensing module front end of hand-held laser methane logging 2, described
Fixed test gas hood 3 length is 0.1m ~ 1m, and described reflector plate 31 is arranged on inside fixed test gas hood 3 top.
The laser instrument 21 output laser signal transmitting laser beam 5 of described laser methane sensing module, by laser reflection
Plate 1 or sheet emitting 31 reflection laser beam 5；Described laser detector 22 receives swashing of laser reflection plate 1 or reflector plate 31 reflection
Light light beam 5, obtains target optical signal and is transferred to spectral analysis module 25；Described spectral analysis module 25 analysis receives
Laser beam 5 spectrum change, shown the concentration value of methane by display module 23；Described spectral analysis module 25 judges
It may happen that whether the region 4 of methane gas leakage has methane oxidizing archaea, and by warning mould in the case of being determined with methane oxidizing archaea
Block 24 sends sound, light and vibration alarming signal；Specifically, laser beam 5 wavelength of Handheld laser methane logging 2 transmitting is
1.650 μm, energy ＜ 10mw, live width 2MHz, small power consumption, low cost；Specifically, described Handheld laser remote methane moni tor 2
Including battery charging module 27, described battery charging module 27 be used for battery charge；The described battery discharge that is charged as is to facing
During boundary's under-voltage condition；Specifically, described Handheld laser remote methane moni tor 2 includes voltage transformation module 26, and described voltage turns
Die change block 26 uses for battery charging module 27, and described voltage transformation module 26 is by stable for cell voltage conversion in 3.3V electricity
Pressure.
Described laser reflection plate 1 is gold-plated infrared external reflection Target Board abbreviation laser reflection plate, and high diffusing reflection rate reaches as high as
99%, extended testing system distance, support cambered surface laser reflection and multi-angle laser reflection；
Described hand-held methane laser telemetry and spot measurement device have telemetry mode（Refer to Fig. 1）With fixed point mode（Please
Refering to Fig. 2）, methane concentration resolution ratio is 0.01% m；Specifically, described telemetry mode is not using the distant of laser reflection plate 1
Find range from for 5m ~ 10m, the use of Laser emission plate 1 telemeter distance is 100m ~ 200m, CH_4 detection concentration determination under telemetry mode
Scope is 0.00% m～4.00% m.
Further, refer to Fig. 1 and Fig. 2, present embodiments provide for a kind of methane oxidizing archaea detection localization method, specifically
Illustrate with the following Examples：
In a preferred embodiment of the present utility model, in telemetry mode（Refer to Fig. 1）Judge it may happen that methane
The region 4 of gas leakage, laser instrument 21 output laser signal transmitting laser beam 5, laser beam 5 is directed at reflecting plate 1；Its
In, the light path of excitation laser light beam 5 is passed through it may happen that the laser reflection plate 1 in the region 4 of methane gas leakage reflects；Laser is visited
Survey device reception to pass through it may happen that the reflection laser beam 5 in the region 4 of methane gas leakage, obtain target laser signal；Hand-held
Formula laser methane logging 2 analyzes the spectrum of target laser signal, according to the spectrum change display module 23 of target laser signal
Show the concentration value of methane, judge whether methane oxidizing archaea detection zone has methane oxidizing archaea, and be determined with the situation of methane oxidizing archaea
Under sound, light and vibration alarming signal are sent by alarm module 24.
If finding methane gas leak area 4 under telemetry mode, patrol officer is according to methane gas under telemetry mode
Concentration value carries out security protection, and then under fixed point mode, refers to Fig. 2 positioning methane oxidizing archaea point.Specific embodiment：Distant
Under survey pattern, left and right directions explores methane concentration maximum, along maximum direction stepping methane leakage region 4, when concentration value is changed into
Initially maximum 10% ~ 20% when, illustrate to have been enter into methane leakage region 4, in described hand-held methane laser logging 2 front end
Fixed test gas hood 3, excitation laser signal under fixed point mode are installed, launch laser beam 5, described laser beam 5 is through expanding
It is scattered to the methane gas of fixed test gas hood 3；Reflector plate 31 in fixed test gas hood 3 for the light path of laser beam 5 reflects
Obtain target laser signal, the spectrum of Handheld laser methane logging 2 analysis reflection laser beam 5, believed according to target laser
Number spectrum change display module 23 show the concentration value of methane, the concentration of methane gas as in methane oxidizing archaea region, and
According in the case of methane leakage concentration values, sound, light and vibration alarming signal are sent by alarm module 24；According to concentration values
Big value positioning leakage point particular location.Using 1m fixed test gas hood, increase detecting distance, facilitate patrol officer in leakage point week
Enclose and patrol and examine.
In another particularly preferred embodiment of the present utility model, under telemetry mode, refer to Fig. 1, in space
The upper position range determining methane gas leakage, described it may happen that the region 4 of methane gas leakage is installed in advance and is fixed first
Laser reflection plate 1 and second laser expelling plate 10, described Handheld laser remote methane moni tor 2 can detect that first swashs respectively
Light reflecting board 1 and second laser expelling plate 10 or more others laser reflection plate, continuous scan-type remote measurement is it may happen that first
The region 4 of alkane gas leakage, laser detector 22 receives reflection laser beam 5, analyzes the target laser signal obtaining, according to anti-
Whether the spectrum change penetrating laser beam judges this test point to have by methane to block or block, thus judging methane oxidizing archaea detection zone
Whether 4 have methane oxidizing archaea, and display module 23 shows the concentration value of methane, and in the case of being determined with methane oxidizing archaea, thus
Limit the scope of the point of corresponding methane oxidizing archaea, meanwhile, Handheld laser remote methane moni tor 2 alarm module 24 sends
Sound, light and vibration alarming signal, notify relevant staff to carry out explosion-proof work.In the present embodiment, by multiple laser 1 or 10
Reflecting plate is fixed in advance it may happen that the region 4 of methane gas leakage, beneficial to receiving laser reflection plate 1 or 10
Installation site, is easy to search gas leakage point.
Skilled person should be understood that the CH_4 detection in other similar large-scale places all can apply this practicality new
The technical scheme of type, can also be widely used in colliery, tunnel and various underground engineering, and natural gas line leak detection etc. needs weight
Point such as strengthens monitoring, takes precautions against at all indoor and outdoor surroundingses.Need the gas such as CO, SO of monitoring certainly for other2Deng also can root
Thought according to the present invention enters line translation, belongs to protection domain of the present utility model.
Claims (1)
1. a kind of hand-held methane laser telemetry and spot measurement device are it is characterised in that by laser reflection plate, Handheld laser methane
Logging, fixed test gas hood composition；Laser reflection plate be arranged on it may happen that methane gas leakage position on；Hand-held swashs
Light methane logging is by battery charging module, voltage transformation module, laser methane sensing module, spectral analysis module, display mould
Block and alarm module composition；Laser methane sensing module is made up of laser instrument, laser detector；Laser instrument exports laser signal；
Laser detector receives laser reflection plate and the laser beam of reflector plate reflection obtains target optical signal；Fixed test gas hood is installed
In Handheld laser methane logging detector front end, fixed test gas hood length is 0.1 meter to 1 meter；Reflector plate is arranged on fixed
Inside point test gas hood top；
The function of the laser detector of laser methane sensing module is to receive the laser beam of laser reflection plate and reflector plate reflection
Obtain target optical signal, and by target optical signal transmission to spectral analysis module；
The function of spectral analysis module is that the spectrum of the target optical signal that analysis receives obtains methane concentration value, and methane is dense
Angle value is sent to display module；Display module is responsible for showing the concentration value of methane；When spectral analysis module analysis receives
When the methane concentration value that the spectrum of target optical signal obtains reaches default alarm threshold value, when spectral analysis module is to alarm module
Send startup alarm signal；
The startup alarm signal that alarm module receives spectral analysis module transmission sends sound, light and vibration alarming signal；
Handheld laser methane logging includes battery charging module, and the function of battery charging module is that battery is charged；
Handheld laser methane logging includes voltage transformation module, and it is electric that voltage transformation module provides battery charging module to charge
Pressure；Voltage transformation module is by stable for cell voltage conversion in 3.3V voltage；
The laser beam wavelength of Handheld laser methane logging transmitting is 1.650 μm, energy is less than 10 milliwatts, live width 2MHz；
Laser reflection plate is gold-plated infrared external reflection Target Board abbreviation laser reflection plate, and high diffusing reflection rate reaches as high as 99%, extends
Measuring distance, supports cambered surface laser reflection and multi-angle laser reflection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620638279.0U CN205982064U (en) | 2016-06-26 | 2016-06-26 | Hand -held type methane laser telemetry and spot measurement device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620638279.0U CN205982064U (en) | 2016-06-26 | 2016-06-26 | Hand -held type methane laser telemetry and spot measurement device |
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| CN205982064U true CN205982064U (en) | 2017-02-22 |
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Cited By (11)
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| CN108037094A (en) * | 2017-11-30 | 2018-05-15 | 新疆美特智能安全工程股份有限公司 | A kind of fuel gas laser telemetry system and method |
| CN109386740A (en) * | 2017-06-26 | 2019-02-26 | 李�根 | Gas probing instrument |
| CN109630907A (en) * | 2019-02-27 | 2019-04-16 | 北京航星网讯技术股份有限公司 | Vehicle-mounted laser CH_4 detection device |
| CN109827075A (en) * | 2019-04-04 | 2019-05-31 | 常德市鼎城九申管道燃气有限公司 | A kind of method of the contactless remote detection leakage of pair of outdoor aerial gas pipeline |
| CN110779895A (en) * | 2019-11-27 | 2020-02-11 | 北京航星网讯技术股份有限公司 | Device for realizing laser methane detection based on touch screen platform |
| CN112945862A (en) * | 2021-02-01 | 2021-06-11 | 重庆梅安森科技股份有限公司 | Handheld terminal of patrolling and examining of colliery gas |
| CN113465826A (en) * | 2021-05-26 | 2021-10-01 | 北京市燃气集团有限责任公司 | Gas leakage detection method and device |
| CN113866112A (en) * | 2021-09-27 | 2021-12-31 | 唐山市智明电子科技有限公司 | Portable gas sensing system |
| CN114112251A (en) * | 2022-01-29 | 2022-03-01 | 长扬科技（北京）有限公司 | Natural gas leakage point positioning method and device |
| CN114279964A (en) * | 2021-12-29 | 2022-04-05 | 数量级(上海)信息技术有限公司 | Laser methane leakage monitor and methane leakage monitoring method |
| CN114414526A (en) * | 2021-12-31 | 2022-04-29 | 北京无线电计量测试研究所 | Mobile terminal for methane detection, methane detection system and methane detection method |
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| CN109386740A (en) * | 2017-06-26 | 2019-02-26 | 李�根 | Gas probing instrument |
| CN109915735A (en) * | 2017-06-26 | 2019-06-21 | 李�根 | Survey meter |
| CN109386740B (en) * | 2017-06-26 | 2020-11-06 | 赵新建 | Natural gas detector |
| CN108037094A (en) * | 2017-11-30 | 2018-05-15 | 新疆美特智能安全工程股份有限公司 | A kind of fuel gas laser telemetry system and method |
| CN109630907B (en) * | 2019-02-27 | 2020-05-22 | 北京航星网讯技术股份有限公司 | Vehicle-mounted laser methane detection device |
| CN109630907A (en) * | 2019-02-27 | 2019-04-16 | 北京航星网讯技术股份有限公司 | Vehicle-mounted laser CH_4 detection device |
| CN109827075A (en) * | 2019-04-04 | 2019-05-31 | 常德市鼎城九申管道燃气有限公司 | A kind of method of the contactless remote detection leakage of pair of outdoor aerial gas pipeline |
| CN110779895A (en) * | 2019-11-27 | 2020-02-11 | 北京航星网讯技术股份有限公司 | Device for realizing laser methane detection based on touch screen platform |
| CN112945862A (en) * | 2021-02-01 | 2021-06-11 | 重庆梅安森科技股份有限公司 | Handheld terminal of patrolling and examining of colliery gas |
| CN112945862B (en) * | 2021-02-01 | 2023-02-28 | 重庆梅安森科技股份有限公司 | Handheld terminal of patrolling and examining of colliery gas |
| CN113465826A (en) * | 2021-05-26 | 2021-10-01 | 北京市燃气集团有限责任公司 | Gas leakage detection method and device |
| CN113866112A (en) * | 2021-09-27 | 2021-12-31 | 唐山市智明电子科技有限公司 | Portable gas sensing system |
| CN114279964A (en) * | 2021-12-29 | 2022-04-05 | 数量级(上海)信息技术有限公司 | Laser methane leakage monitor and methane leakage monitoring method |
| CN114414526A (en) * | 2021-12-31 | 2022-04-29 | 北京无线电计量测试研究所 | Mobile terminal for methane detection, methane detection system and methane detection method |
| CN114112251A (en) * | 2022-01-29 | 2022-03-01 | 长扬科技（北京）有限公司 | Natural gas leakage point positioning method and device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Hand -held type methane laser telemetry and spot measurement device Effective date of registration: 20170601 Granted publication date: 20170222 Pledgee: The Bank of Jinzhou Limited by Share Ltd Beijing Branch Road Pledgor: Beijing Hangxing Network Information Technology Co., Ltd. Registration number: 2017110000002 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200615 Granted publication date: 20170222 Pledgee: The Bank of Jinzhou Limited by Share Ltd Beijing Branch Road Pledgor: BEIJING HANGXING NETWORKING Co.,Ltd. Registration number: 2017110000002 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |