CN206369693U - A kind of mine gas intelligent detecting instrument - Google Patents
A kind of mine gas intelligent detecting instrument Download PDFInfo
- Publication number
- CN206369693U CN206369693U CN201720053224.8U CN201720053224U CN206369693U CN 206369693 U CN206369693 U CN 206369693U CN 201720053224 U CN201720053224 U CN 201720053224U CN 206369693 U CN206369693 U CN 206369693U
- Authority
- CN
- China
- Prior art keywords
- light
- air chamber
- isosceles right
- prism
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model is related to a kind of mine gas intelligent detecting instrument, belongs to mine gas detection field.Including light path system and detecting system, light path system includes light source, condenser, level crossing, air chamber, isosceles right angle refractive prism and isosceles right-angle reflecting prism, and detecting system includes anti-reflection filter mirror, colour plane battle array cmos sensor, CMOS drive modules, signal amplification filtration module, A/D modular converters, DSP image processors, arm processor, power module, memory module, display screen；The characteristics of colour plane battle array cmos sensor has low-power consumption, it is not necessary to additional high driving voltage, it is only necessary to the operating voltage of several volts, makes the utility model have the advantages that low-power consumption, can detect in real time for a long time；Operating voltage of the present utility model is smaller, thus power module has smaller volume in itself, and does not need additional high driving voltage, and the utility model can realize small size, and then make the utility model more portable.
Description
Technical field
The utility model belongs to mine gas detection field, and in particular to a kind of mine gas intelligent detecting instrument.
Background technology
Pernicious gas in mine includes methane, carbon monoxide etc., directly threatens mine safety production and miner's life
Safety, for mine gas, Mining Enterprises can all be detected by related detection means.
At present, the mine gas detector of prior art has many kinds, wherein, light interference type gas detecting instrument is China's coal
A kind of portable instrument of the measure harmful gas concentration generally used in mine.Its principle is refraction of the light by gas medium
Rate is related to the density of gas, when the pernicious gas (such as methane) in air increases, the atmospheric density meeting containing pernicious gas
Change, light by when can cause the change of refractive index, relative to the air without pernicious gas, light respectively pass through not be harmful to gas
When the air of body and air containing pernicious gas, light path also just changes therewith, and then interference fringe produces displacement.Due to
The displacement of interference fringe and methane concentration direct proportionality, so can just measure methane according to the displacement of interference fringe
Concentration.Prior art is from being carried out by people from eyepiece, to measure methane concentration mostly.
But manual manual detection mode is a kind of simply mode of sampling observation, it is impossible to realize detection in real time.And pernicious gas
Entrance mine in risk be to exist constantly, thus need it is a kind of it is real-time detection mine in pernicious gas Intelligent Instrument
Device, currently available technology also provides the scheme of the pernicious gas real-time intelligent detection of correlation, such as Application No.：
CN200920064244.0, it is entitled：A kind of utility model patent of light number integrated dual-mode mine gas intelligent detecting instrument, its
By the use of CCD as the device for receiving detection light, but its to need applied voltage to allow the electric charge in each pixel to be moved to transmission logical
Road, and this applied voltage usually requires more than 12V could effectively transmit electric charge, therefore CCD must also have more accurate electricity
The design of source circuit and compressive resistance, thus CCD image-taking system in addition to having additional high driving voltage, its peripheral circuit also can
Consume sizable power.The problem of above-mentioned utilization CCD captures, which exist, needs additional power source, power consumption is big, causes what is be made to be harmful to
The intelligent measurement instrument of gas Shortcomings in terms of portability, continuous working period.
Utility model content
In view of this, the purpose of this utility model is to overcome the deficiencies in the prior art intelligent there is provided a kind of mine gas
Detector, makes the utility model realize low-power consumption, and then further improves portability of the present utility model.
To realize object above, the utility model is adopted the following technical scheme that：
A kind of mine gas intelligent detecting instrument, including light path system, the light path system include light source, condenser, plane
Mirror, air chamber, isosceles right angle refractive prism and isosceles right-angle reflecting prism, the back side of the level crossing, isosceles right angle refractive power
Two right-angle surfaces of prism and the inclined-plane of the isosceles right-angle reflecting prism are equipped with reflectance coating；
The condenser and the level crossing are set gradually in the light path of the light source, the condenser and the light source are same
Optical axis is set, and the angle between the level crossing and the optical axis of the light source is 45 °；The light that the light source is sent is through the optically focused
Converged light is formed after mirror convergence to incide on the level crossing, the level crossing is reflected and reflected to the converged light, institute
The reflected light and refraction light for stating converged light are incided on isosceles right angle refractive prism, wherein, the reflection of the converged light
Light and refraction light are vertical with the inclined-plane of isosceles right angle refractive prism；
The air chamber is arranged in the light path between the level crossing and isosceles right angle refractive prism, the air chamber
Two ends are respectively equipped with the first zero diopter lens and the second zero diopter lens parallel to each other, and the second zero diopter lens and the isosceles are straight
The inclined-plane of angle refractive prism is parallel to each other, and the air chamber has the first air chamber, the second air chamber and the 3rd air chamber set gradually, its
In, the reflected light of the converged light, through first air chamber after incide isosceles right angle refractive prism, through the isosceles
Right angle refractive power prism refraction, through the 3rd air chamber after incide the level crossing；The refraction light of the converged light, through institute
State and isosceles right angle refractive prism is incided after the second air chamber, through the isosceles right angle refractive power prism refraction, through described
The level crossing is incided after two air chambers；
It is anti-that the refractive power that isosceles right angle refractive prism is produced is reflected and refract to the isosceles right angle by the level crossing
Prism is penetrated, wherein, any right-angle surface of the isosceles right-angle reflecting prism is set perpendicular to the optical axis of the light source；
The mine gas intelligent detecting instrument also includes detecting system, and the detecting system includes anti-reflection filter mirror, colour
Face battle array cmos sensor, CMOS drive modules, signal amplification filtration module, A/D modular converters, DSP image processors, at ARM
Device, power module, memory module, display screen are managed, wherein, anti-reflection filter mirror and the colour plane battle array cmos sensor is successively
On the reflected light path for being arranged on the isosceles right-angle reflecting prism, the colour plane battle array cmos sensor is put with the signal respectively
Big filtration module and CMOS drive modules electrical connection, the signal amplification filtration module are electrically connected with the A/D modular converters
Connect, the A/D modular converters are electrically connected with the DSP image processors, the DSP image processors, CMOS driving moulds
Block, the memory module and the display screen are electrically connected with the arm processor respectively, the arm processor and the light source
Electrically connected respectively with the power module.
Further, first air chamber and the 3rd air chamber are respectively air chamber, and second air chamber is harmful gas
Body room.
Further, the light source is light emitting diode.
Further, the detecting system also includes temperature sensor, humidity sensor and baroceptor, the temperature
Sensor, the humidity sensor and the baroceptor are electrically connected with the arm processor respectively.
Further, the detecting system also include interface, the interface respectively with the arm processor and the power supply
Module is electrically connected.
Further, the detecting system also includes wireless communication module, the wireless communication module and the ARM processing
Device is electrically connected.
Further, the wireless communication module is WiFi module.
Further, the detecting system also includes alarm module, and the alarm module is electrically connected with the arm processor
Connect.
Further, the alarm module is indicator lamp.
Further, the alarm module is buzzer.
The utility model uses above technical scheme, at least possesses following beneficial effect：
The utility model provides a kind of mine gas intelligent detecting instrument, and light is received by using colour plane battle array cmos sensor
The detection light that road system is sent, the characteristics of colour plane battle array cmos sensor has low-power consumption, it is not necessary to additional high driving voltage, this
Utility model only needs to the operating voltage of several volts when working, the utility model has the advantages that low-power consumption, and the utility model can
Realize detection work in real time for a long time；The operating voltage that the utility model needs is smaller, thus power module in itself can be with
With smaller volume, and because colour plane battle array cmos sensor does not need additional high driving voltage so that the utility model can be with
Small size is realized, and then makes the utility model more portable, the pernicious gas of the utility model and existing artificial reading is examined
Survey instrument to compare, detection case is directly displayed by display screen, the relative error manually estimated can be avoided, it is to avoid artificial operation
Visual fatigue.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of operation principle schematic diagram of the embodiment one of mine gas intelligent detecting instrument of the utility model；
Fig. 2 is a kind of operation principle schematic diagram of the embodiment two of mine gas intelligent detecting instrument of the utility model；
Fig. 3 is a kind of operation principle schematic diagram of the embodiment three of mine gas intelligent detecting instrument of the utility model；
Fig. 4 is a kind of operation principle schematic diagram of the example IV of mine gas intelligent detecting instrument of the utility model；
Fig. 5 is a kind of operation principle schematic diagram of the embodiment five of mine gas intelligent detecting instrument of the utility model.
1- light path systems in figure；2- detecting systems；101- light sources；102- condensers；103- level crossings；104- air chambers；
The air chambers of 104a- first；The air chambers of 104b- second；The air chambers of 104c- the 3rd；105- isosceles right angle refractive prism；106- isosceles right angle is anti-
Penetrate prism；107- the first zero diopter lens；108- the second zero diopter lens；201- anti-reflection filter mirrors；202- colour planes battle array CMOS sensings
Device；203-CMOS drive modules；204- signals amplify filtration module；205-A/D modular converters；206-DSP image processors；
207-ARM processors；208- power modules；209- memory modules；210- display screens；211- temperature sensors；212- humidity is passed
Sensor；213- baroceptors；214- interfaces；215- wireless communication modules；216- alarm modules.
Embodiment
, below will be to technology of the present utility model to make the purpose of this utility model, technical scheme and advantage clearer
Scheme is described in detail.Obviously, described embodiment is only a part of embodiment of the utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not before creative work is made
Resulting all other embodiment is put, the scope that the utility model is protected is belonged to.
As described in Figure 1, the utility model provides a kind of mine gas intelligent detecting instrument, including light path system 1, the light path
It is anti-that system 1 includes light source 101, condenser 102, level crossing 103, air chamber 104, isosceles right angle refractive prism 105 and isosceles right angle
Prism 106 is penetrated, the back side of the level crossing 103, two right-angle surfaces of isosceles right angle refractive prism 105 and the isosceles are straight
The inclined-plane of corner reflection prism 106 is equipped with reflectance coating；
The condenser 102 and the level crossing 103, the condenser 102 are set gradually in the light path of the light source 101
Set with the light source 101 with optical axis, the angle between the optical axis of the level crossing 103 and the light source 101 is 45 °；It is described
The light that light source 101 is sent forms converged light after being converged through the condenser 102 and incided on the level crossing 103, the plane
103 pairs of converged light of mirror are reflected and reflected, and it is straight that the reflected light of the converged light and refraction light incide the isosceles
On angle refractive prism 105, wherein, the reflected light of the converged light and refraction light with isosceles right angle refractive prism 105
Inclined-plane is vertical；
The air chamber 104 is arranged on the light path between the level crossing 103 and isosceles right angle refractive prism 105
On, the two ends of air chamber 104 are respectively equipped with the first zero diopter lens 107 and the second zero diopter lens 108 parallel to each other, described second
The inclined-plane of zero diopter lens 108 and isosceles right angle refractive prism 105 is parallel to each other, and the air chamber 104 has what is set gradually
First air chamber 104a, the second air chamber 104b and the 3rd air chamber 104c, wherein, the reflected light of the converged light, through described first
Isosceles right angle refractive prism 105 is incided after air chamber 104a, through the refractive power of isosceles right angle refractive prism 105, through institute
State and the level crossing 103 is incided after the 3rd air chamber 104c；The refraction light of the converged light, through after the second air chamber 104b
Isosceles right angle refractive prism 105 is incided, through the refractive power of isosceles right angle refractive prism 105, through second air chamber
The level crossing 103 is incided after 104b；
The refractive power that isosceles right angle refractive prism 105 is produced is reflected and refract to the isosceles by the level crossing 103
Right-angle reflecting prism 106, wherein, the light of any right-angle surface of the isosceles right-angle reflecting prism 106 perpendicular to the light source 101
Axle is set；
The mine gas intelligent detecting instrument also include detecting system 2, the detecting system 2 include anti-reflection filter mirror 201,
Colour plane battle array cmos sensor 202, CMOS drive modules 203, signal amplification filtration module 204, A/D modular converters 205, DSP
Image processor 206, arm processor 207, power module 208, memory module 209, display screen 210, wherein, the anti-reflection filter
Light microscopic 201 and colour plane battle array cmos sensor 202 are successively set on the reflected light path of the isosceles right-angle reflecting prism 106
On, the colour plane battle array cmos sensor 202 amplifies filtration module 204 and the CMOS drive modules with the signal respectively
203 electrical connections, the signal amplification filtration module 204 is electrically connected with the A/D modular converters 205, the A/D modular converters
205 electrically connect with the DSP image processors 206, the DSP image processors 206, the CMOS drive modules 203, described
Memory module 209 and the display screen 210 are electrically connected with the arm processor 207 respectively, the arm processor 207 and described
Light source 101 is electrically connected with the power module 208 respectively.
By such scheme, the utility model receives the light path using colour plane battle array cmos sensor 202
The detection light that system is sent, compared with CCD, colour plane battle array cmos sensor 202, the characteristics of with low-power consumption, it is not necessary to
Additional high driving voltage, the utility model only needs to the operating voltage of several volts, thus the utility model has low-power consumption
Advantage, enables the utility model to work for a long time, it is ensured that the utility model can be detected in real time；The utility model needs
Operating voltage it is smaller, thus the power module 208 itself has smaller volume, and does not need additional high driving voltage,
Allow the utility model to realize small size, and then make the utility model more portable.
Operation principle of the present utility model is further described below：In the utility model, the light source 101 is sent
Light through the condenser 102 converge after formed converged light incide on the level crossing 103, described in 103 pairs of the level crossing
Converged light is reflected and reflected, and its specific reflection and refracting process are：Minute surface of the converged light in the level crossing 103
Reflected and reflected, wherein, the light of reflection passes through the first air chamber 104a, from isosceles right angle refractive prism 105
Inclined-plane is vertically into because two right-angle surfaces of isosceles right angle refractive prism 105 are designed with reflectance coating, through the isosceles right angle
After the refractive power of refractive prism 105, light vertically projects from the inclined-plane of isosceles right angle refractive prism 105 and passes through the 3rd air chamber
Incided after 104c on the level crossing 103, after the minute surface refraction of the level crossing 103, incide the level crossing 103
On reflectance coating, after the reflectance coating reflection through the level crossing 103, then after the refraction of the minute surface through the level crossing 103, refraction light hangs down
Directly incide the isosceles right-angle reflecting prism 106；The converged light is arrived in the refracted light incident of the minute surface of the level crossing 103
On the reflectance coating of the level crossing 103, the reflectance coating reflection through the level crossing 103 occurs in the minute surface of the level crossing 103
Refraction, then passes through the second air chamber 104b, impinges perpendicularly on isosceles right angle refractive prism 105, straight through the isosceles
After the refractive power of angle refractive prism 105 enter the second air chamber 104b, through the second air chamber 104b after incide the plane
Mirror 103, after the minute surface of the level crossing 103 reflects, impinges perpendicularly on the isosceles right-angle reflecting prism 106；It is described
The detection light received is reflexed to the anti-reflection filter mirror 201, the anti-reflection filter mirror 201 by isosceles right-angle reflecting prism 106
With anti-reflection filter function, its filtering functions can filter external interference light, and its anti-reflection function can reduce the logical of detection light
The loss of out-of-date generation, the arm processor 207 senses the colour plane battle array CMOS by the CMOS drive modules 203
Device 202 receives detection light, and the light for amplifying 204 pairs of receptions of filtration module by the signal is amplified filtering process, further
The interference noise of detection light is eliminated, higher-quality detection optical signal is obtained, the DSP image processors 206 are believed detection light
Number handled.
The air chamber 104 can be adopted as the air chamber 104 of prior art, wherein, the first air chamber 104a and the described 3rd
Air chamber 104c is respectively air chamber 104, can gather normal air, second gas when using in advance in external environment
Room 104b pernicious gas collecting chambers, such as collect the methane or carbon monoxide pernicious gas in mine.It is harmful to when entering in air
During gas, its density can change, and light is related by the refractive index of gas medium and the density of gas, thus when light passes through
When the second air chamber 104b and the 3rd air chamber 104c, if do not had in the air that the second air chamber 104b is collected
Evil gas, the light path and the level crossing 103 of the mirror-reflection of the level crossing 103 from the second air chamber 104b light projected
The light path reflected from the 3rd air chamber 104c light projected is overlapped；If contained in the air that the second air chamber 104b is collected
There is a pernicious gas, the light path and the plane of the mirror-reflection of the level crossing 103 from the second air chamber 104b light projected
Mirror 103, which is reflected between the light path of the 3rd air chamber 104c light projected, can produce displacement, when in the second air chamber 104b
Harmful gas concentration is higher, and displacement is bigger.Thus detected by 206 pairs of the DSP image processors at optical signals
After reason, result is included on the display screen 210 by the arm processor 207.
, can be with order to further extend in continuous working period of the present utility model, the utility model in the utility model
Using light emitting diode low in energy consumption as the light source 101, the power module 208 can further be extended by the program
Working time.
Other functions can also be realized for the mine gas intelligent detecting instrument of the present utility model, such as detection mine
Temperature, humidity and air pressure, provide this utility model following improvement project, and the detecting system 2 also includes temperature sensor
211st, humidity sensor 212 and baroceptor 213, the temperature sensor 211, the humidity sensor 212 and the gas
Pressure sensor 213 is electrically connected with the arm processor 207 respectively.By the program, mine site where can detecting in real time
Temperature, humidity and air pressure, the security situation of mine position is known that by temperature, humidity and air pressure, is further ensured that
The personal safety of absence from work without reason.
In the utility model, in order to realize that transferring data to external computer is analyzed, and in order to realize to power supply
The charging of module 208, the utility model also provides following improvement project：The detecting system 2 also includes interface 214, described to connect
Mouth 214 is electrically connected with the arm processor 207 and the power module 208 respectively.
In the utility model, it can be realized and be carried out data transmission using data wire by the above-mentioned setting scheme of interface 214,
In addition the utility model also provides a kind of wireless interaction scheme for realizing the utility model and computer or smart mobile phone, is specially：
The detecting system 2 also includes wireless communication module 215, and the wireless communication module 215 is electrically connected with the arm processor 207
Connect, the wireless communication module 215 can use WiFi module, and safety manager can be real-time by computer or smart mobile phone
Air conditions, humiture situation and the barometric information of mine are monitored, safety in production is further ensured.
In each new above-mentioned scheme of this practicality, the purpose for knowing testing result in real time is realized, but for inspection in real time
Survey result still needs to very important person and goes to check, is not easy to normal work, provides this utility model a kind of scheme of active warning, tool
Body is：The detecting system 2 also includes alarm module 216, and the alarm module 216 is electrically connected with the arm processor 207.
The alarm module 216 can be indicator lamp, it would however also be possible to employ buzzer., can be real when detecting pernicious gas by the program
The existing arm processor 207 controls the alarm module 216 to send alarm active warning people at once.
Compared with the harmful gas detecting instrument of existing artificial reading, detection case is directly displayed by display screen, can
To avoid the relative error manually estimated, it is to avoid manually operate visual fatigue.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed
Or replace, it should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with the power
The protection domain that profit is required is defined.
Claims (10)
1. a kind of mine gas intelligent detecting instrument, it is characterised in that：Including light path system, the light path system includes light source, gathered
Light microscopic, level crossing, air chamber, isosceles right angle refractive prism and isosceles right-angle reflecting prism, the back side of the level crossing, the isosceles
Two right-angle surfaces of right angle refractive prism and the inclined-plane of the isosceles right-angle reflecting prism are equipped with reflectance coating；
The condenser and the level crossing, the condenser and the same optical axis of the light source are set gradually in the light path of the light source
Set, the angle between the level crossing and the optical axis of the light source is 45 °；The light that the light source is sent converges through the condenser
Form converged light after poly- to incide on the level crossing, the level crossing is reflected and reflected to the converged light, described to converge
The reflected light of optically focused and refraction light are incided on isosceles right angle refractive prism, wherein, the reflected light of the converged light and
Reflect light vertical with the inclined-plane of isosceles right angle refractive prism；
The air chamber is arranged in the light path between the level crossing and isosceles right angle refractive prism, the air chamber two ends
It is respectively equipped with the first zero diopter lens and the second zero diopter lens parallel to each other, the second zero diopter lens and the isosceles right-angle folding
The inclined-plane of light prism is parallel to each other, and the air chamber has the first air chamber, the second air chamber and the 3rd air chamber set gradually, wherein,
The reflected light of the converged light, through first air chamber after incide isosceles right angle refractive prism, it is straight through the isosceles
Angle refractive prism refractive power, through the 3rd air chamber after incide the level crossing；The refraction light of the converged light, through described
Isosceles right angle refractive prism is incided after second air chamber, through the isosceles right angle refractive power prism refraction, through described second
The level crossing is incided after air chamber；
The refractive power that isosceles right angle refractive prism is produced is reflected and refract to the isosceles right angle and reflects rib by the level crossing
Mirror, wherein, any right-angle surface of the isosceles right-angle reflecting prism is set perpendicular to the optical axis of the light source；
The mine gas intelligent detecting instrument also includes detecting system, and the detecting system includes anti-reflection filter mirror, colour plane battle array
Cmos sensor, CMOS drive modules, signal amplification filtration module, A/D modular converters, DSP image processors, arm processor,
Power module, memory module, display screen, wherein, anti-reflection filter mirror and the colour plane battle array cmos sensor is set gradually
On the reflected light path of the isosceles right-angle reflecting prism, the colour plane battle array cmos sensor amplifies with the signal respectively to be filtered
Ripple module and CMOS drive modules electrical connection, the signal amplification filtration module are electrically connected with the A/D modular converters, institute
State A/D modular converters to electrically connect with the DSP image processors, the DSP image processors, the CMOS drive modules, institute
Memory module and the display screen is stated to electrically connect with the arm processor respectively, the arm processor and the light source respectively with
The power module electrical connection.
2. mine gas intelligent detecting instrument according to claim 1, it is characterised in that：First air chamber and the described 3rd
Air chamber is respectively air chamber, and second air chamber is pernicious gas room.
3. mine gas intelligent detecting instrument according to claim 1, it is characterised in that：The light source is light emitting diode.
4. mine gas intelligent detecting instrument according to claim 1, it is characterised in that：The detecting system also includes temperature
Sensor, humidity sensor and baroceptor, the temperature sensor, the humidity sensor and the baroceptor point
Do not electrically connected with the arm processor.
5. mine gas intelligent detecting instrument according to claim 1, it is characterised in that：The detecting system also includes connecing
Mouthful, the interface is electrically connected with the arm processor and the power module respectively.
6. mine gas intelligent detecting instrument according to claim 1, it is characterised in that：The detecting system also includes wireless
Communication module, the wireless communication module is electrically connected with the arm processor.
7. mine gas intelligent detecting instrument according to claim 6, it is characterised in that：The wireless communication module is WiFi
Module.
8. mine gas intelligent detecting instrument according to claim 1, it is characterised in that：The detecting system also includes alarm
Module, the alarm module is electrically connected with the arm processor.
9. mine gas intelligent detecting instrument according to claim 8, it is characterised in that：The alarm module is indicator lamp.
10. mine gas intelligent detecting instrument according to claim 8, it is characterised in that：The alarm module is buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720053224.8U CN206369693U (en) | 2017-01-17 | 2017-01-17 | A kind of mine gas intelligent detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720053224.8U CN206369693U (en) | 2017-01-17 | 2017-01-17 | A kind of mine gas intelligent detecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206369693U true CN206369693U (en) | 2017-08-01 |
Family
ID=59391989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720053224.8U Expired - Fee Related CN206369693U (en) | 2017-01-17 | 2017-01-17 | A kind of mine gas intelligent detecting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206369693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630378A (en) * | 2020-11-30 | 2021-04-09 | 航天亮丽电气有限责任公司 | Gas detection system for underground safe operation of foundation pit |
-
2017
- 2017-01-17 CN CN201720053224.8U patent/CN206369693U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630378A (en) * | 2020-11-30 | 2021-04-09 | 航天亮丽电气有限责任公司 | Gas detection system for underground safe operation of foundation pit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201412183Y (en) | Real-time monitoring and early warning device for mine gas outburst | |
| CN202127875U (en) | Intelligent helmet for downwell use of coal mine | |
| CN205038128U (en) | Dust detection system | |
| CN103901436B (en) | A kind of method that laser radar automatically gathers and protects | |
| CN206369693U (en) | A kind of mine gas intelligent detecting instrument | |
| CN204494622U (en) | A kind of air quality detector | |
| CN203163827U (en) | Home liquid level detecting and alarming system | |
| CN104989950A (en) | Gas state monitoring system | |
| CN204142613U (en) | A kind of high precision small dust sensor | |
| CN203881370U (en) | Solar wireless air quality detector | |
| CN203224436U (en) | Portable methane concentration detector | |
| WO2012060809A1 (en) | Nanoparticle detector | |
| CN206755405U (en) | Intelligent window type air filter | |
| CN104502278A (en) | Gas chamber of optic fiber gas sensor | |
| CN203587477U (en) | Underground coal mine coal dust image real-time collection transmission device | |
| CN206920632U (en) | A kind of solar energy environment weather detector | |
| CN106092201A (en) | A kind of wheeled gas well crusing robot | |
| CN108096665B (en) | Equipment is nursed in the infusion for sentencing survey based on adaptive more redundancies | |
| CN205826471U (en) | Dust content detecting system | |
| CN202549037U (en) | Household wireless alarm device | |
| CN205879854U (en) | Indoor how gaseous detection device | |
| CN108872036A (en) | A kind of intelligent environment detector | |
| CN201396144Y (en) | Multi-functional hand-held type oil field inspection apparatus | |
| CN209690160U (en) | A kind of Environmental security detection device | |
| CN206675518U (en) | A kind of heart rate sensor detection means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170801 Termination date: 20180117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |