CN106841039A - A kind of mine laser methane remote sensing instrument - Google Patents
A kind of mine laser methane remote sensing instrument Download PDFInfo
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- CN106841039A CN106841039A CN201710184159.7A CN201710184159A CN106841039A CN 106841039 A CN106841039 A CN 106841039A CN 201710184159 A CN201710184159 A CN 201710184159A CN 106841039 A CN106841039 A CN 106841039A
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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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
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Abstract
The invention discloses a kind of mine laser methane remote sensing instrument, including power module, detection module and single chip machine controlling circuit, the single chip machine controlling circuit is electrically connected to both ends of power module and detection module, the detection module includes air chamber, optical mirror slip, planoconvex spotlight, generating laser, green emitter, ranging laser and light-intensity test unit, the generating laser, green emitter and ranging laser are located at the top of planoconvex spotlight, the air chamber is located at generating laser, the outside of green emitter and ranging laser, the optical mirror slip is located at the front end of planoconvex spotlight, the light-intensity test unit is located at the inner side of planoconvex spotlight, the light-intensity test unit is electrically connected with single chip machine controlling circuit.The advantage of the invention is that：Telemeter distance is big, detection stabilization.
Description
Technical field
The present invention relates to gas detection equipment field, more particularly to a kind of mine laser methane remote sensing instrument.
Background technology
Gas detecting instrument is a kind of instrument and meter instrument of gas leakage Concentration Testing, including：Portable gas physical examination
Survey instrument, hand-held gas detecting instrument, stationary gas detector, online gas detecting instrument etc..Mainly utilize gas sensor
To detect gaseous species present in environment, gas sensor is for detecting the composition of gas and the sensor of content.Gas
Detector is particularly extensive in colliery industry application, and now, domestic underground coal mine has used the fixed methane of Principles of Laser to examine
Surveying instrument carries out CH_4 detection, but monitoring mode still uses diffusion type, can not remote measurement.And portable methane logging is provided without laser
Technology, detection mode is diffusion type, can not remote measurement.At this stage, Coal mine methane logging uses thermocatalytic technology or infrared substantially
Technology, although Monitoring Performance is original, but shortcoming has a lot, the less stable of such as detection, and detecting distance is smaller cannot be right
Specific region and personnel are difficult to arrival region and are detected, and cannot judge the distance of detection, are easily disturbed by other gases, easily
Influenceed by humiture.
The content of the invention
For the defect and deficiency of prior art, it is an object of the invention to provide a kind of telemeter distance is remote, detection stabilization
Reliable mine laser methane remote sensing instrument.
To achieve the above object, the technical solution adopted by the present invention is：A kind of mine laser methane remote sensing instrument, its innovative point
It is：Including power module, detection module and single chip machine controlling circuit, the single chip machine controlling circuit is electrically connected to both ends of
Power module and detection module, the detection module include air chamber, optical mirror slip, planoconvex spotlight, generating laser, green emission
Device, ranging laser and light-intensity test unit, the generating laser, green emitter and ranging laser are located at planoconvex spotlight
Top, the air chamber is located at the outside of generating laser, green emitter and ranging laser, and the optical mirror slip is located at flat
The front end of convex lens, the light-intensity test unit is located at the inner side of planoconvex spotlight, the light-intensity test unit and Single-chip Controlling
Circuit is electrically connected.
Further, the power module includes charging module, battery and voltage conversion circuit, the charging module, electricity
Pond and voltage conversion circuit are sequentially connected in series electrical connection, and the voltage conversion circuit is electrically connected with single chip machine controlling circuit.
Further, the single chip machine controlling circuit is electrically connected with key control circuit and display circuit.
Further, display screen and button, the detection are also provided with the remote sensing instrument housing including remote sensing instrument housing
Module is located at the front end of remote sensing instrument housing.
After said structure, the present invention has the beneficial effect that：
The present invention by setting generating laser, green emitter and ranging laser, and in detection generating laser,
Green emitter and ranging laser are launched simultaneously, and the green glow launched by green emitter can be positioned very easily,
Object to be detected can be easily found, detecting instrument is carried out and is detected additionally by ranging laser transmitting range laser
The distance between object, and display distance is carried out by display screen, it is convenient and practical, testing staff can be allowed to understand in real time and inspection
The distance of object is surveyed, so that it is guaranteed that in safe distance, and detection gas concentration is carried out as light source using generating laser,
Telemeter distance is big, it can be ensured that the life safety of testing staff.
Brief description of the drawings
Fig. 1 is illustrative view of functional configuration of the invention；
Fig. 2 is overall structure diagram of the invention；
Fig. 3 is the outward appearance positive structure schematic in the present invention；
Fig. 4 is the exterior sideview structural representation in the present invention.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with accompanying drawing and specific implementation
Mode, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain this
Invention, is not intended to limit the present invention.
Referring to Fig. 1-Fig. 4, this specific embodiment discloses a kind of mine laser methane remote sensing instrument, including power module 1,
Detection module 2 and single chip machine controlling circuit 3, single chip machine controlling circuit 3 are electrically connected to both ends of power module 1 and detection module
2, detection module includes air chamber 21, optical mirror slip 22, planoconvex spotlight 23, generating laser 24, green emitter 25, range laser
Device 26 and light-intensity test unit 27, wherein generating laser 24, green emitter 25 and ranging laser 26 are located at planoconvex spotlight
23 top, air chamber 21 is located at the outside of generating laser 24, green emitter 25 and ranging laser 26, optical mirror slip 22
In the front end of planoconvex spotlight 23, light-intensity test unit 27 is located at the inner side of planoconvex spotlight 23, light-intensity test unit 27 and single-chip microcomputer
Control circuit 3 is electrically connected.Preferably, generating laser 24 using can harmony laser spectrum generating laser, can be quickly accurate
Detect remote gas content.Staff can effectively detection be difficult to what is reached or even can not reach in safety zone
Danger zone.
Feasible, power module 1 includes charging module 11, battery 12 and voltage conversion circuit 13, charging module 11, battery
12 and voltage conversion circuit 13 be sequentially connected in series electrical connection, voltage conversion circuit 13 is electrically connected with single chip machine controlling circuit 3.It is feasible
, battery 12 can be powered using lithium ion battery, its nominal capacity 2000AH, nominal voltage 3.7V, and maximum is continuously put
Electric current 1000mA, charges by voltage 4.2V, discharges by voltage 2.8V.Circuit design uses linear voltage regulator
TPS73733, the 4.2V-2.8V voltages that will be input into, is converted to 3.3V.Voltage conversion circuit 13 is using serial quick AD conversion core
Piece, AD8880ARMZ, the analog signal that will monitor part transmission is converted to data signal, there is provided give low power consumption digital module core
Piece.Wherein, battery 12 uses encapsulation process, can use 6302 epoxy resin embedding adhesives, and sealing thickness is 1mm, battery and guarantor
Backplate encapsulation is integrated, and so can effectively carry out sealing water-proofing treatment, is capable of the service life of effective extension device.
Feasible, single chip machine controlling circuit 3 is electrically connected with key control circuit 31 and display circuit 32.Specifically, using
The programmable low power consumption digital chips of FPG, possess clock, and serial line interface, button, buzzer shows that I/O interface etc. is various to be connect
Mouthful.Feasible, power module 1, detection module 2 and single chip machine controlling circuit 3 are each attached on remote sensing instrument housing 4, remote sensing instrument shell
Display screen 41 and button 42 are provided with body 4, detection module 2 is located at the front end of remote sensing instrument housing 4.Wherein, display screen 41 with it is aobvious
Show that circuit 32 is electrically connected, button 42 is electrically connected with key control circuit 31.Feasible, in this embodiment, remote sensing instrument
Housing 4 is also provided with buzzer.The material of remote sensing instrument housing 4 can be preferably anti-static inflaming-retarding PC, can play effectively
Anti-static inflaming-retarding effect.The green glow launched by green emitter can be positioned very easily, can easily be found
Object to be detected, additionally by ranging laser transmitting range laser carry out between detecting instrument and object to be detected away from
From, and display distance is carried out by display screen, it is convenient and practical, can allow testing staff understand in real time with detection object away from
From, so that it is guaranteed that in safe distance, and detection gas concentration, telemeter distance are carried out as light source using generating laser
Greatly, it can be ensured that the life safety of testing staff.
Operation principle：When through gas to be checked, a part is by methane gas for the infrared laser that generating laser 24 sends
Absorb, the reflected face of another part light is (such as：Brick, concrete, road surface, meadow etc.) it is reflected back.Detection module 2 collects reflected light
Line, and it is translated into corresponding electronic signal transmission to single chip machine controlling circuit 3.Single chip machine controlling circuit 3 is swashed by detection
Whether the absorbed power of light light intensity judges there is gas leakage in test environment.When being detected, green emitter 25, range finding
Laser 26, generating laser 24 are opened simultaneously.The green glow that operating personnel can be sent by green emitter 26 is on the reflecting surface
Projection instruction, alignment detection body；Ranging laser 26 detects the distance between remote sensing instrument and reflecting surface simultaneously；Laser is sent out
The laser that emitter 24 sends is launched to reflecting surface by optical mirror slip, and the light after reflection converges to light intensity and examines through planoconvex spotlight 23
Unit 27 is surveyed, light intensity signal is changed into analog signal, analog signal is received by single chip machine controlling circuit 3, so as to be processed by center
Device analysis draws the concentration and distance parameter of detection gas.
The above, is merely illustrative of the technical solution of the present invention and unrestricted, and those of ordinary skill in the art are to this hair
Other modifications or equivalent that bright technical scheme is made, without departing from the spirit and scope of technical solution of the present invention,
All should cover in the middle of scope of the presently claimed invention.
Claims (4)
1. a kind of mine laser methane remote sensing instrument, it is characterised in that：Including power module, detection module and Single-chip Controlling electricity
Road, the single chip machine controlling circuit is electrically connected to both ends of power module and detection module, the detection module include air chamber,
Optical mirror slip, planoconvex spotlight, generating laser, green emitter, ranging laser and light-intensity test unit, the Laser emission
Device, green emitter and ranging laser are located at the top of planoconvex spotlight, and the air chamber is located at generating laser, green emitter
With the outside of ranging laser, the optical mirror slip is positioned at the front end of planoconvex spotlight, and it is saturating that the light-intensity test unit is located at plano-convex
The inner side of mirror, the light-intensity test unit is electrically connected with single chip machine controlling circuit.
2. a kind of mine laser methane remote sensing instrument according to claim 1, it is characterised in that：The power module includes filling
Electric module, battery and voltage conversion circuit, the charging module, battery and voltage conversion circuit are sequentially connected in series electrical connection, described
Voltage conversion circuit is electrically connected with single chip machine controlling circuit.
3. a kind of mine laser methane remote sensing instrument according to claim 1, it is characterised in that：The single chip machine controlling circuit
It is electrically connected with key control circuit and display circuit.
4. a kind of mine laser methane remote sensing instrument according to claim 1, it is characterised in that：Also include remote sensing instrument housing,
Display screen and button are provided with the remote sensing instrument housing, the detection module is located at the front end of remote sensing instrument housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710184159.7A CN106841039A (en) | 2017-03-24 | 2017-03-24 | A kind of mine laser methane remote sensing instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710184159.7A CN106841039A (en) | 2017-03-24 | 2017-03-24 | A kind of mine laser methane remote sensing instrument |
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| Publication Number | Publication Date |
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| CN106841039A true CN106841039A (en) | 2017-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710184159.7A Pending CN106841039A (en) | 2017-03-24 | 2017-03-24 | A kind of mine laser methane remote sensing instrument |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107870158A (en) * | 2017-10-24 | 2018-04-03 | 三正集团股份有限公司 | Mine laser methane telemetering equipment |
| 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 |
| CN112051219A (en) * | 2020-08-21 | 2020-12-08 | 汉威科技集团股份有限公司 | Novel handheld laser dangerous gas remote measuring system |
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| US20040263852A1 (en) * | 2003-06-03 | 2004-12-30 | Lasen, Inc. | Aerial leak detector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107870158A (en) * | 2017-10-24 | 2018-04-03 | 三正集团股份有限公司 | Mine laser methane telemetering equipment |
| 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 |
| CN112051219A (en) * | 2020-08-21 | 2020-12-08 | 汉威科技集团股份有限公司 | Novel handheld laser dangerous gas remote measuring system |
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Application publication date: 20170613 |
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