CN111878720A - Industrial and mining lamp - Google Patents
Industrial and mining lamp Download PDFInfo
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- CN111878720A CN111878720A CN202010549327.XA CN202010549327A CN111878720A CN 111878720 A CN111878720 A CN 111878720A CN 202010549327 A CN202010549327 A CN 202010549327A CN 111878720 A CN111878720 A CN 111878720A
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- 238000005065 mining Methods 0.000 title claims abstract description 23
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 100
- 239000007789 gas Substances 0.000 claims abstract description 94
- 238000001514 detection method Methods 0.000 claims abstract description 71
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims abstract description 28
- 239000001257 hydrogen Substances 0.000 claims abstract description 21
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910002091 carbon monoxide Inorganic materials 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims description 37
- 239000013307 optical fiber Substances 0.000 claims description 29
- 239000010453 quartz Substances 0.000 claims description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 25
- 238000012360 testing method Methods 0.000 claims description 20
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 16
- 229910052697 platinum Inorganic materials 0.000 claims description 10
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 9
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 9
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 claims description 9
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 claims description 9
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 9
- 150000002431 hydrogen Chemical class 0.000 claims description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 5
- 229910052744 lithium Inorganic materials 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 4
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 claims description 4
- 239000011540 sensing material Substances 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 3
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- 229910052735 hafnium Inorganic materials 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
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- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012417 linear regression Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
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- 239000003345 natural gas Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- ITRNXVSDJBHYNJ-UHFFFAOYSA-N tungsten disulfide Chemical compound S=[W]=S ITRNXVSDJBHYNJ-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L4/00—Electric lighting devices with self-contained electric batteries or cells
- F21L4/005—Electric lighting devices with self-contained electric batteries or cells the device being a pocket lamp
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0464—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the level of ambient illumination, e.g. dawn or dusk sensors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0064—Health, life-saving or fire-fighting equipment
- F21V33/0076—Safety or security signalisation, e.g. smoke or burglar alarms, earthquake detectors; Self-defence devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/402—Lighting for industrial, commercial, recreational or military use for working places
Abstract
The invention relates to the technical field of industrial and mining appliances, and discloses an industrial and mining lamp which comprises a main body, a lamp body, a photosensitive sensor, a gas detection device, an alarm and a controller, wherein the lamp body is connected with the main body through a mine cable, a lighting lamp holder is arranged on the lamp body, the photosensitive sensor is arranged on the lamp body, the gas detection device, the alarm and the controller are all arranged on the main body, the lighting lamp holder, the photosensitive sensor, the gas detection device and the alarm are all electrically connected with the controller, an air inlet hole and an air outlet hole which are communicated with the outside are formed in the gas detection device, and the gas detection device comprises a carbon monoxide detection device, a hydrogen detection device, a methane detection device and a hydrogen sulfide. The intelligent lighting lamp has the advantages that the intelligent lighting lamp can be intelligently turned on, the concentration of various harmful gases can be detected simultaneously, warning is given out in time, workers are prevented from inhaling a large amount of harmful gases by mistake, and the life safety of the workers is guaranteed.
Description
Technical Field
The invention relates to the technical field of industrial and mining appliances, in particular to an industrial and mining lamp.
Background
With the increasing demand of coal production, the number of underground operators is increasing, and the safety problem of the underground operators becomes a problem which is urgently concerned by the coal industry. Gases harmful to humans are present in mines, such as: carbon monoxide, hydrogen, methane, hydrogen sulfide and the like, if the concentration of harmful gas in the environment can not be known in time by underground operators, the harmful gas in the air of the mine can cause great harm to the life safety of the underground operators, and even easily explode to cause casualty accidents.
When an underground operator works underground, the underground operator usually needs to carry equipment such as a miner lamp, detectors of various gases, an alarm, a locator and the like; from this, the equipment product that the borehole operation personnel carried is too much, very easily loses, can lead to the burden overweight moreover, brings very big limitation for spacious worker's work action, seriously influences borehole operation personnel's work efficiency.
The miner's lamp is a necessary tool for underground operators, but the existing miner's lamp only has a simple lighting function, even if the miner's lamp of a small number of manufacturers has a function of detecting gas parameters in the environment, the miner's lamp can only detect a single-parameter gas value generally, and the function is single.
Disclosure of Invention
The invention aims to solve the problem that an industrial and mining lamp is provided, which can intelligently turn on a lighting lamp holder, can simultaneously detect the concentration of various harmful gases, and can give out a warning in time, so that a worker is prevented from inhaling a large amount of harmful gases by mistake, and the life safety of the worker is guaranteed.
In order to solve the technical problem, the invention provides an industrial and mining lamp which comprises a main body, a lamp body, a photosensitive sensor, a gas detection device, an alarm and a controller, wherein the lamp body is connected with the main body through a mine cable, a lighting lamp holder is arranged on the lamp body, the photosensitive sensor is arranged on the lamp body, the gas detection device, the alarm and the controller are all arranged on the main body, the lighting lamp holder, the photosensitive sensor, the gas detection device and the alarm are all electrically connected with the controller, an air inlet hole and an air outlet hole which are communicated with the outside are formed in the gas detection device, and the gas detection device comprises a carbon monoxide detection device, a hydrogen detection device, a methane detection device and a hydrogen sulfide detection device.
As a preferable aspect of the present invention, the carbon monoxide detection device includes a first housing, and a first gas pipe, a quartz container, a quartz pipe, an insulating medium, an ultraviolet lamp, a photomultiplier, and a filter, which are disposed in the first housing, wherein a gas inlet end of the first gas pipe is communicated with the gas inlet, a gas outlet end of the first gas pipe is communicated with the gas outlet, the quartz container and the quartz pipe are sequentially disposed on the first gas pipe, the ultraviolet lamp is disposed above the quartz container, the insulating medium is coated with a functionalized graphite-phase carbon nitride sensing material, the insulating medium is disposed inside the quartz pipe, the photomultiplier is disposed below the quartz pipe, the filter is fixed between the photomultiplier and the quartz pipe, and the photomultiplier is electrically connected to the controller.
As a preferable scheme of the present invention, the hydrogen detection device includes a second housing, and a second air tube, a sensing probe, a single-mode fiber, an optical fiber splitter, a wavelength tunable laser light source, and a photodetector, which are disposed in the second housing, an air inlet end of the second air tube is communicated with the air inlet, an air outlet end of the second air tube is communicated with the air outlet, the sensing probe is disposed on the second air tube, one end of the single-mode fiber is coated with a hydrogen sensitive film and is disposed in the sensing probe, the other end of the single-mode fiber is connected with the optical fiber splitter, the optical fiber splitter is respectively connected with an output end of the wavelength tunable laser light source and an input end of the photodetector, and an output end of the photodetector is electrically connected with the controller.
As a preferable scheme of the present invention, the methane detecting device includes a third housing, and a third air pipe, a fiber grating methane sensor, a connector, a broadband light source, and a fiber grating wavelength division multiplexing demodulator that are disposed in the third housing, an air inlet end of the third air pipe is communicated with the air inlet hole, an air outlet end of the third air pipe is communicated with the air outlet hole, the fiber grating methane sensor is disposed on the third air pipe, the fiber grating methane sensor includes a first optical fiber and a grating, a platinum film layer is plated on a surface of the first optical fiber, the grating is connected to a middle portion of the first optical fiber, the connector is provided with a first port, a second port, and a third port, the first port is connected to the fiber grating methane sensor through a second optical fiber, the second port is connected to the broadband light source through a third optical fiber, the third port is connected with the fiber grating wavelength division multiplexing demodulator through a fourth optical fiber, and the fiber grating wavelength division multiplexing demodulator is electrically connected with the controller.
As a preferable scheme of the present invention, the methane detecting device includes a fourth housing, and a fourth gas pipe, a chromatographic column, a pulse pump, a gas chamber, an infrared light source, and a detector that are disposed in the fourth housing, an air inlet end of the fourth gas pipe is communicated with the air inlet hole, an air outlet end of the fourth gas pipe is communicated with the air outlet hole, the chromatographic column, the pulse pump, and the gas chamber are sequentially disposed on the fourth gas pipe, the infrared light source and the detector are respectively disposed on upper and lower sides of the gas chamber, an light outlet end of the infrared light source faces the detector, and the detector is electrically connected to the controller through an amplifier.
As a preferable scheme of the present invention, the hydrogen sulfide detection device includes a fifth housing, and a fifth air tube, a hydrogen sulfide sensor, and a resistance test circuit that are disposed in the fifth housing, an air inlet end of the fifth air tube is communicated with the air inlet hole, an air outlet end of the fifth air tube is communicated with the air outlet hole, the hydrogen sulfide sensor is disposed on the fifth air tube, the hydrogen sulfide sensor includes a base and a PDMS film, the PDMS film covers a surface of the base, a sensitive material is disposed on the surface of the base and located between the base and the PDMS film, a gold interdigital electrode for testing a resistance of the sensitive material is printed above the sensitive material, the gold interdigital electrode is connected to the resistance test circuit, and the resistance test circuit is electrically connected to the controller.
As the preferable scheme of the invention, the air inlet hole and the air outlet hole are both provided with fans.
As a preferable aspect of the present invention, a positioner is provided on the main body, and the positioner is electrically connected to the controller.
As a preferable scheme of the present invention, a display screen is provided on the main body, and the display screen is electrically connected to the controller.
As a preferable scheme of the present invention, a lithium battery is disposed on the main body, and the lithium battery is connected to the lighting lamp head, the photosensor, the gas detection device, the alarm, and the controller.
Compared with the prior art, the industrial and mining lamp has the following beneficial effects:
according to the intelligent lighting lamp, the light intensity of an external environment is sensed through the photosensitive sensor, if the light intensity is lower than a set value, the photosensitive sensor transmits data to the controller, the controller controls the lighting lamp holder to be turned on, and the lighting lamp holder is turned on by intelligently identifying the light intensity; through the design of the gas detection equipment, the simultaneous detection of the concentration of carbon monoxide, the concentration of hydrogen, the concentration of methane and the concentration of hydrogen sulfide is realized, when the concentration of gas exceeds a set value, the gas detection equipment transmits data to the controller, the controller controls the alarm to be turned on, and transmits the data to the external equipment to inform the external personnel, so that the phenomenon that the staff inhales too much harmful gas due to the fact that the concentration of gas does not exceed the standard can be effectively avoided, the body health of the staff is prevented from being seriously damaged by the harmful gas, the staff can be timely warned that the concentration of inflammable gas is too high, and accidents such as explosion and the like can; meanwhile, due to the design of the alarm and the controller, workers at a certain position can be conveniently informed to pay attention to safety in time when the workers predict or are in danger; therefore, the intelligent lighting lamp can intelligently turn on the lighting lamp cap, can simultaneously detect the concentration of various harmful gases, and can give out warning in time, so that workers are prevented from mistakenly inhaling a large amount of harmful gases, and the life safety of the workers is guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
FIG. 1 is a schematic structural view of an industrial and mining lamp provided by the present invention;
FIG. 2 is a schematic view of the structure of a carbon monoxide detection device;
FIG. 3 is a schematic view of the structure of the hydrogen gas detecting device;
FIG. 4 is a schematic structural view of a methane detection apparatus according to the first embodiment;
FIG. 5 is a schematic structural view of a methane detecting apparatus according to a second embodiment;
fig. 6 is a schematic structural view of the hydrogen sulfide detection device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "central", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., used herein are used in the orientation or positional relationship indicated in the drawings, which are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, in a preferred embodiment of the present invention, an industrial and mining lamp includes a main body, a lamp body, a photosensor, a gas detection device, an alarm, and a controller, wherein the lamp body is connected to the main body through a mine cable, the lamp body is provided with a lighting lamp holder, the photosensor is disposed on the lamp body, the gas detection device, the alarm, and the controller are disposed on the main body, the lighting lamp holder, the photosensor, the gas detection device, and the alarm are electrically connected to the controller, the gas detection device is provided with an air inlet and an air outlet communicated with the outside, the gas detection device includes a carbon monoxide detection device, a hydrogen detection device, a methane detection device, and a hydrogen sulfide detection device, and specifically, the main body is provided with a handle; the controller is wirelessly connected with an external device.
Therefore, the light intensity of the external environment is sensed by the photosensitive sensor, if the light intensity is lower than a set value, the photosensitive sensor transmits data to the controller, the controller controls the lighting lamp holder to be turned on, and the lighting lamp holder is turned on by intelligently identifying the light intensity; through the design of the gas detection equipment, the simultaneous detection of the concentration of carbon monoxide, the concentration of hydrogen, the concentration of methane and the concentration of hydrogen sulfide is realized, when the concentration of gas exceeds a set value, the gas detection equipment transmits data to the controller, the controller controls the alarm to be turned on, and transmits the data to the external equipment to inform the external personnel, so that the phenomenon that the staff inhales too much harmful gas due to the fact that the concentration of gas does not exceed the standard can be effectively avoided, the body health of the staff is prevented from being seriously damaged by the harmful gas, the staff can be timely warned that the concentration of inflammable gas is too high, and accidents such as explosion and the like can; meanwhile, due to the design of the alarm and the controller, workers at a certain position can be conveniently informed to pay attention to safety in time when the workers predict or are in danger; therefore, the intelligent lighting lamp can intelligently turn on the lighting lamp cap, can simultaneously detect the concentration of various harmful gases, and can give out warning in time, so that workers are prevented from mistakenly inhaling a large amount of harmful gases, and the life safety of the workers is guaranteed.
Exemplarily, as shown in fig. 2, the carbon monoxide detecting device includes a first housing, and a first gas pipe, a quartz container, a quartz pipe, an insulating medium, an ultraviolet lamp, a photomultiplier, and a filter disposed in the first housing, wherein an air inlet end of the first gas pipe is communicated with the air inlet hole, an air outlet end of the first gas pipe is communicated with the air outlet hole, the quartz container and the quartz pipe are sequentially disposed on the first gas pipe, the ultraviolet lamp is disposed above the quartz container, the insulating medium is coated with a functionalized carbon nitride sensing material, the insulating medium is disposed inside the quartz pipe, the photomultiplier is disposed below the quartz pipe, the filter is fixed between the photomultiplier and the quartz pipe, and the photomultiplier is electrically connected to the controller. Specifically, the first air pipe is made of polytetrafluoroethylene, and the power of the ultraviolet lamp is 400W. The detection method of the carbon monoxide detection device is a catalytic luminescence sensing analysis method, wherein air is used as carrier gas to stably introduce CO gas into a quartz container, the CO gas activated by the ultraviolet lamp is conveyed to the surface of the functional graphite-phase carbon nitride sensing material, chemiluminescence is generated after catalytic oxidation, a photomultiplier records chemiluminescence signals with different concentrations, linear regression analysis is adopted to obtain the gas concentration of the CO gas, and if the carbon monoxide gas concentration exceeds a specified concentration, the controller controls an alarm to be turned on and informs external equipment. Therefore, the carbon monoxide detection device improves the reactivity of catalytic materials and reactants through the high activation and high stability of the ultraviolet lamp, greatly improves the sensitivity, is simple, and has the characteristics of low energy consumption, good repeatability and long service life.
Exemplarily, as shown in fig. 3, the hydrogen detecting apparatus includes a second housing and a second air tube, a sensing probe, a single-mode fiber, an optical fiber splitter, a wavelength tunable laser light source and a photoelectric detector which are disposed in the second housing, an air inlet of the second air tube communicates with the air inlet, an air outlet of the second air tube communicates with the air outlet, the sensing probe is disposed on the second air tube, one end of the single-mode fiber is coated with a hydrogen sensitive film and disposed in the sensing probe, the other end of the single-mode fiber is connected with the optical fiber splitter, the optical fiber splitter is respectively connected with an output of the wavelength tunable laser light source and an input of the photoelectric detector, and an output of the photoelectric detector is electrically connected with the controller. Specifically, the hydrogen sensitive film adopts a Pt-Pd-Mg/Hf, Pt-Pd-Mg/Fe, Pt-Pd-Hf/Pt or Pt-Pd-Hf/Pd composite film, and the atomic ratio of a first element to a second element in the Mg/Hf, Mg/Fe, Hf/Pt and Hf/Pd composite film is between 1 and 20. Therefore, when the hydrogen detection device works, the controller tests the current intensities of different wavelengths according to the photoelectric detector, displays a spectrogram, calculates the strongest peak value I1 in the spectrum and the background intensity I2 at any position in the spectrum at the same time, performs a ratio method to obtain the corresponding hydrogen concentration, and controls the alarm to be turned on and informs external equipment if the hydrogen gas concentration exceeds the specified concentration. Therefore, the hydrogen detection device has better stability and reliability, can realize the safe and accurate monitoring of hydrogen concentration, and meanwhile, the wavelength-adjustable laser light source and the photoelectric detector are adopted for sending and converting optical signals, so that the device has obvious cost advantage compared with a fiber grating demodulation module, has higher precision, has the advantages of low cost, safety, reliability and the like, and is more suitable for being applied to the severe environment for hydrogen monitoring.
In a first embodiment, as shown in fig. 4, the methane detecting apparatus includes a third housing, and a third air tube, a fiber grating methane sensor, a connector, a broadband light source, and a fiber grating wavelength division multiplexing demodulator that are disposed in the third housing, an air inlet end of the third air tube is communicated with the air inlet, an air outlet end of the third air tube is communicated with the air outlet, the fiber grating methane sensor is disposed on the third air tube, the fiber grating methane sensor includes a first optical fiber and a grating, a platinum film layer is plated on a surface of the first optical fiber, the grating is connected to a middle portion of the first optical fiber, the connector is provided with a first port, a second port, and a third port, the first port is connected to the fiber grating methane sensor through the second optical fiber, the second port is connected to the broadband light source through the third optical fiber, the third port is connected with the fiber grating wavelength division multiplexing demodulator through a fourth optical fiber, and the fiber grating wavelength division multiplexing demodulator is electrically connected with the controller. Specifically, the fiber grating methane sensor is provided with a plurality of fiber grating methane sensors which are sequentially connected through optical cables; the width of the platinum film layer is 3 micrometers, the thickness of the platinum film layer is 1-5 micrometers, and the wavelength of a reflection peak of the grating is fixed. Therefore, when the methane detection device works, under the catalytic action of the platinum film layer, methane in the gas to be detected and oxygen in the air are subjected to oxidation reaction to release heat, so that the temperature near the platinum film layer is increased, optical fiber deformation and grating reflection peak position drift are caused, and the wavelength drift amount of the grating reflection peak is detected; calibrating the relation between the position drift of the grating reflection peak and the methane concentration by using the measured wavelength drift amount of the grating reflection peak, and obtaining the linear relation between the position drift of the grating reflection peak and the methane concentration by using a linear fitting method: delta lambda is an (wherein delta lambda is the wavelength drift of the grating reflection peak in picometers; n is the methane gas percentage concentration, and a is the proportionality coefficient); then, a broadband light source covering the wavelength of a grating reflection peak of the fiber grating methane sensor enters the connector from the second port, and light is input to the fiber grating sensors from the first port; and the reflected light signals of each grating position enter the fiber grating wavelength division multiplexing demodulator through the first port and the third port of the connector for demodulation, so that the reflection peak wavelength drift amount of each grating is obtained, the controller obtains the methane gas concentration of a detection point according to a formula, and if the methane gas concentration exceeds a specified concentration, the controller controls the alarm to be started and informs external equipment. Therefore, the methane detection device realizes the distributed, long-distance and high-precision measurement of the methane concentration, the measurement precision of the methane detection device on methane gas is as high as 0.04%, the fiber grating sensor is completely free of power supply, the safety factor is improved, and the design that the platinum film layer is coated on the optical fiber plays a role in protecting the grating, so that the grating is not easy to damage.
In a second embodiment, as shown in fig. 5, the methane detecting device includes a fourth housing, and a fourth air tube, a chromatographic column, a pulse pump, an air chamber, an infrared light source, and a detector disposed in the fourth housing, an air inlet end of the fourth air tube is communicated with the air inlet hole, an air outlet end of the fourth air tube is communicated with the air outlet hole, the chromatographic column, the pulse pump, and the air chamber are sequentially disposed on the fourth air tube, the infrared light source and the detector are respectively disposed on upper and lower sides of the air chamber, an light outlet end of the infrared light source faces the detector, and the detector is electrically connected to the controller through an amplifier. Specifically, the detector is a thermopile infrared gas detector or a pyroelectric infrared gas detector. Therefore, when the methane detection device works, the pulse pump is started to enable gas to enter the gas chamber through the chromatographic column, the light source emitted by the infrared light source penetrates through the gas chamber and irradiates on the detector, the detector converts the optical signal of the infrared light source into an electric signal and transmits the electric signal to the controller through the amplifier, the controller measures according to data, if only one absorption peak is detected, the methane is judged, if two or more absorption peaks are detected, the methane is judged to be natural gas, a concentration value of the methane is calculated according to the intensity of the absorption peaks, and if the concentration of the methane gas exceeds a specified concentration, the controller controls the alarm to be started and informs external equipment. Therefore, the methane detection device combines the gas chromatography separation and the gas infrared absorption detection technology, so that the device is convenient and accurate to carry, high in response speed and low in cost.
Exemplarily, as shown in fig. 6, the hydrogen sulfide detection device includes a fifth housing, and a fifth gas pipe, a hydrogen sulfide sensor and a resistance test circuit that are disposed in the fifth housing, where an air inlet end of the fifth gas pipe is communicated with the air inlet hole, an air outlet end of the fifth gas pipe is communicated with the air outlet hole, the hydrogen sulfide sensor is disposed on the fifth gas pipe, the hydrogen sulfide sensor includes a base and a PDMS film, the PDMS film covers a surface of the base, a sensitive material is disposed on the surface of the base, the sensitive material is located between the base and the PDMS film, a gold interdigital electrode for testing a resistance of the sensitive material is printed above the sensitive material, the gold interdigital electrode is connected to the resistance test circuit, and the resistance test circuit is electrically connected to the controller. Specifically, the base is a flexible substrate PI film; the sensitive material is a lamellar nano material and comprises platinum-modified rhodium-doped indium oxide/tungsten sulfide nano powder, wherein the ratio of rhodium: the indium molar ratio is 1: 20. therefore, when the hydrogen sulfide detection device works, oxygen ions on the surface of the sensitive material react with hydrogen sulfide gas molecules to cause the change of the resistance of the sensitive material, the resistance test circuit takes the change of the resistance of the sensitive material along with the concentration of the hydrogen sulfide gas as an output signal to indicate the concentration of the hydrogen sulfide gas, the resistance test circuit outputs the output signal to the controller through an electric signal, and if the concentration of the hydrogen sulfide gas exceeds the specified concentration, the controller controls the alarm to be started and informs external equipment. Therefore, the hydrogen sulfide detection device is simple and small in structure, convenient to carry, small in power consumption of the hydrogen sulfide sensor and high in accuracy.
Exemplarily, all be equipped with the fan on the inlet port with the venthole, can guarantee that the gas in the mine gets into carbon monoxide detection device, hydrogen detection device, methane detection device and hydrogen sulfide detection device smoothly, ensures that each detection device's detection achievement normally goes on.
Exemplarily, a positioner is arranged on the main body and electrically connected with the controller; from this, can accurate positioning staff's position, when taking place danger, can in time learn staff's position and carry out rescue.
Illustratively, a display screen is arranged on the main body and electrically connected with the controller; therefore, the carbon monoxide concentration value, the hydrogen concentration value, the methane concentration value and the hydrogen sulfide concentration value can be displayed on the display screen, so that the working personnel can more visually and conveniently know the concentration of each harmful gas, the prevention preparation is made in advance, and the time, the electric quantity allowance and the like can be displayed on the display screen.
Illustratively, a lithium battery is arranged on the main body and is connected with the lighting lamp holder, the photosensitive sensor, the gas detection device, the alarm and the controller; therefore, the industrial and mining lamp is convenient for workers to carry, the battery can be replaced at any time when the industrial and mining lamp is out of power, and the smooth work of the workers is ensured.
In the description of the present invention, it is to be understood that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, either fixedly connected, detachably connected, or integrally connected, unless otherwise explicitly stated or limited; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
Claims (10)
1. The utility model provides an industrial and mining lamp, its characterized in that, includes main part, lamp body, photosensitive sensor, gaseous check out test set, alarm and controller, the lamp body pass through the ore deposit cable with the main part is connected, be equipped with the illumination lamp holder on the lamp body, photosensitive sensor sets up on the lamp body, gaseous check out test set, alarm and controller all set up in the main part, the illumination lamp holder photosensitive sensor gaseous check out test set with the alarm all with the controller electricity is connected, be equipped with on the gaseous check out test set with external communicating inlet port and venthole, gaseous check out test set includes carbon monoxide detection device, hydrogen detection device, methane detection device and hydrogen sulfide detection device.
2. The industrial and mining lamp of claim 1, wherein the carbon monoxide detection device comprises a first housing, and a first gas tube, a quartz container, a quartz tube, an insulating medium, an ultraviolet lamp, a photomultiplier tube and a filter arranged in the first housing, the air inlet end of the first air pipe is communicated with the air inlet hole, the air outlet end of the first air pipe is communicated with the air outlet hole, the quartz container and the quartz tube are sequentially arranged on the first air tube, the ultraviolet lamp is arranged above the quartz container, the insulating medium is coated with a functional graphite-phase carbon nitride sensing material and is arranged inside the quartz tube, the photomultiplier is arranged below the quartz tube, the optical filter is fixed between the photomultiplier and the quartz tube, and the photomultiplier is electrically connected with the controller.
3. The industrial and mining lamp according to claim 1, wherein the hydrogen detection device comprises a second housing, and a second air pipe, a sensing probe, a single-mode fiber, an optical fiber splitter, a wavelength tunable laser light source and a photoelectric detector which are arranged in the second housing, wherein an air inlet end of the second air pipe is communicated with the air inlet hole, an air outlet end of the second air pipe is communicated with the air outlet hole, the sensing probe is arranged on the second air pipe, one end of the single-mode fiber is coated with a hydrogen sensitive film and is arranged in the sensing probe, the other end of the single-mode fiber is connected with the optical fiber splitter, the optical fiber splitter is respectively connected with an output end of the wavelength tunable laser light source and an input end of the photoelectric detector, and an output end of the photoelectric detector is electrically connected with the controller.
4. The industrial and mining lamp of claim 1, wherein the methane detection device comprises a third housing, and a third air pipe, a fiber grating methane sensor, a connector, a broadband light source and a fiber grating wavelength division multiplexing demodulator arranged in the third housing, wherein an air inlet end of the third air pipe is communicated with the air inlet hole, an air outlet end of the third air pipe is communicated with the air outlet hole, the fiber grating methane sensor is arranged on the third air pipe, the fiber grating methane sensor comprises a first optical fiber and a grating, a platinum film layer is plated on the surface of the first optical fiber, the grating is connected to the middle of the first optical fiber, a first port, a second port and a third port are arranged on the connector, the first port is connected with the fiber grating methane sensor through the second optical fiber, and the second port is connected with the broadband light source through the third optical fiber, the third port is connected with the fiber grating wavelength division multiplexing demodulator through a fourth optical fiber, and the fiber grating wavelength division multiplexing demodulator is electrically connected with the controller.
5. The industrial and mining lamp according to claim 1, wherein the methane detection device comprises a fourth housing, and a fourth air pipe, a chromatographic column, a pulse pump, an air chamber, an infrared light source and a detector which are arranged in the fourth housing, wherein an air inlet end of the fourth air pipe is communicated with the air inlet hole, an air outlet end of the fourth air pipe is communicated with the air outlet hole, the chromatographic column, the pulse pump and the air chamber are sequentially arranged on the fourth air pipe, the infrared light source and the detector are respectively arranged on the upper side and the lower side of the air chamber, an light outlet end of the infrared light source faces the detector, and the detector is electrically connected with the controller through an amplifier.
6. The industrial and mining lamp of claim 1, wherein the hydrogen sulfide detection device comprises a fifth housing, and a fifth gas pipe, a hydrogen sulfide sensor and a resistance test circuit arranged in the fifth housing, the air inlet end of the fifth air pipe is communicated with the air inlet hole, the air outlet end of the fifth air pipe is communicated with the air outlet hole, the hydrogen sulfide sensor is arranged on the fifth air pipe and comprises a base and a PDMS film, the PDMS film covers the surface of the base, the surface of the base is provided with a sensitive material, the sensitive material is positioned between the base and the PDMS film, gold interdigital electrodes for testing the resistance of the sensitive material are printed above the sensitive material, the gold interdigital electrode is connected with the resistance test circuit, and the resistance test circuit is electrically connected with the controller.
7. The industrial and mining lamp of claim 1, wherein a fan is disposed on each of the air inlet and the air outlet.
8. The industrial and mining lamp of claim 1, wherein a locator is provided on the body, the locator being electrically connected to the controller.
9. The industrial and mining lamp of claim 1, wherein a display screen is provided on the main body, the display screen being electrically connected to the controller.
10. The industrial and mining lamp as claimed in claim 1, wherein a lithium battery is provided on the main body, the lithium battery being connected to the lighting lamp head, the photosensor, the gas detection device, the alarm and the controller.
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| CN202010549327.XA CN111878720A (en) | 2020-06-16 | 2020-06-16 | Industrial and mining lamp |
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| CN202010549327.XA CN111878720A (en) | 2020-06-16 | 2020-06-16 | Industrial and mining lamp |
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