CN115326738A - High-temperature infrared gas analyzer - Google Patents
High-temperature infrared gas analyzer Download PDFInfo
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- CN115326738A CN115326738A CN202211264027.2A CN202211264027A CN115326738A CN 115326738 A CN115326738 A CN 115326738A CN 202211264027 A CN202211264027 A CN 202211264027A CN 115326738 A CN115326738 A CN 115326738A
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- 239000007789 gas Substances 0.000 claims abstract description 61
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 239000001301 oxygen Substances 0.000 claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 12
- 230000017525 heat dissipation Effects 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000004868 gas analysis Methods 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 230000003595 spectral effect Effects 0.000 abstract description 2
- 238000004458 analytical method Methods 0.000 description 9
- 239000003570 air Substances 0.000 description 7
- 239000010931 gold Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 229910052788 barium Inorganic materials 0.000 description 3
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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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
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
-
- 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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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention relates to a high-temperature infrared gas analyzer, which comprises: the oxygen sensor comprises a box body, a light-emitting unit, a heating type measuring pool and a detecting unit, wherein the light-emitting unit, the heating type measuring pool and the detecting unit are sequentially arranged in the box body along the horizontal direction, and an oxygen sensor is arranged below the heating type measuring pool. Each substance corresponds to a filter of one infrared wavelength by means of a spectral filter at the emission end of the light source, and each gas absorbs light of the corresponding wavelength, thereby determining the composition of the gas to be detected. The analyzer host machine is integrally designed, and the corresponding automatic control unit function sensors are integrated inside the analyzer host machine, so that a stable environment is guaranteed when the corresponding instruments run, the box body of the analyzer is designed by adopting firm, durable and light materials, the box body is convenient to move and carry, and the field detection efficiency of gas analysis for fixed pollution sources is improved.
Description
Technical Field
The invention belongs to the field of gas analysis, and particularly relates to a high-temperature infrared gas analyzer.
Background
A gas analyzer is a process analyzer that measures the composition and concentration of a gas. In many processes, especially in the presence of chemical reactions, it is often not sufficient to perform automatic control solely on the basis of physical parameters such as temperature, pressure, flow rate, etc. Due to the wide variety of analyzed gases and the variety of analysis principles, gas analyzers are widely varied. A thermal conductivity type gas analyzer and an electrochemical type gas analyzer are commonly used.
Infrared absorption analyzers are analyzers that operate based on the selective absorption characteristics of different component gases for different wavelengths of infrared light. The kind of gas can be distinguished by measuring the absorption spectrum; measuring the absorption intensity can determine the concentration of the gas being measured. The infrared analyzer has wide application range, can analyze gas components and solution components, has high sensitivity and quick response, can continuously indicate on line, and can form an adjusting system. The detection part of an infrared gas analysis instrument commonly used in industry consists of two parallel optical systems with the same structure. The existing infrared grouping gas analysis instrument is inconvenient to move due to large volume, needs to collect gas to be analyzed in a laboratory, and is low in efficiency. The existing infrared grouping gas analysis instrument adopts a traditional measuring method of cooling and dehumidifying sample gas, and the existing infrared sensor of the analyzer is in an independent single-component mode, if the analyzer needs to measure multiple components, the analyzer needs to be connected with a corresponding sensor, a corresponding control component and a circuit board in parallel, so that the instrument is large in size and inconvenient to move, meanwhile, cooling and dehumidifying are carried out according to the detection requirement of hot and wet sample gas in the existing market, a large amount of pollutant gas which is easy to dissolve in water is condensed and lost in the cooling and dehumidifying process, and the measuring result is inaccurate.
Disclosure of Invention
Therefore, the invention aims to solve the problem that in the prior art, when the gas is required to be cooled and dehumidified in the gas detection process, a large amount of pollutant gas which is easy to dissolve in water is condensed and lost, and the measurement result is inaccurate.
Therefore, the technical scheme is that the high-temperature infrared gas analyzer comprises: the oxygen sensor comprises a box body, a light-emitting unit, a heating type measuring pool and a detecting unit, wherein the light-emitting unit, the heating type measuring pool and the detecting unit are sequentially arranged in the box body along the horizontal direction, and the oxygen sensor is arranged below the heating type measuring pool. In order to enhance the accurate detection of pollutant gas, the invention designs a long-optical-path heating type gas measuring cell, wherein an optical detection reflecting lens made of gold (Au) and barium (Ba) is adopted in the measuring cell, the high-intensity polishing is carried out, SO that the waiting light energy loss of an analyzer during detection is smaller, meanwhile, lens equipment made of corrosion-resistant gold and Ba are more corrosion-resistant, and strong corrosive gases such as SO2, NH3, HCL, HF and the like can be effectively detected. The measuring cell is integrated with a heating unit, so that the heating temperature of the measuring cell is 185 ℃ when the analyzer works. Thereby lead to the analysis appearance need not cool down and the dewatering when measuring the sample, the analysis appearance can directly measure hot humid attitude sample gas.
Preferably, a first pressure sensor and a second pressure sensor are arranged on the left side of the oxygen sensor.
Preferably, a zero-air pump, a measuring air pump, a terminal strip and a thermal printer are arranged in the box body, and a fan is arranged at one end of the terminal strip.
Preferably, the light emitting unit includes: the device comprises an infrared light source, a focusing mirror, a light cutting wheel and a transmitter, wherein the focusing mirror is positioned on the right side of the infrared light source, the light cutting wheel is positioned below the infrared light source, and the transmitter is positioned on the right side of the light cutting wheel.
Preferably, a light inlet is arranged on the right side of the heating type measuring cell, a light outlet is arranged on the left side of the heating type measuring cell, a first spherical mirror is arranged between the light inlet and the light outlet, and a second spherical mirror and a third spherical mirror are arranged below the first spherical mirror.
Preferably, the detection unit includes: the filter wheel with the stepping motor, the collecting mirror and the thermoelectric detector are arranged on the left side of the filter wheel with the stepping motor, the thermoelectric detector is arranged obliquely above the collecting mirror, the thermoelectric detector is fixed on the detector plate, a cable guide hole is formed in the lower portion of the collecting mirror, and an over-temperature fuse is arranged below the cable guide hole.
Preferably, the side wall of the box body is provided with a portable handle, and the top end of the box body is provided with a tablet computer.
Preferably, the box body is provided with a front panel, the front panel is provided with a thermal printer interface and a ventilation grid, the box body is provided with a cover plate, and the cover plate is connected through a cover plate lock.
Preferably, a shell is arranged on the inner wall of the box body, a first motor is arranged on the inner wall of the shell, an output shaft of the first motor is connected with one end of a first rotating shaft, the other end of the first rotating shaft penetrates through a sleeve to be connected with a first gear, the first rotating shaft is rotationally connected with the sleeve, an inner gear is coaxially sleeved on the first gear, the outer wall of the sleeve is connected with the end face of the inner gear through a connecting rod, a second gear is arranged between the inner gear and the first gear, and the second gear is respectively meshed with the first gear and the inner gear.
Preferably, one end of the connecting shaft is connected with the center of the circle of the second gear, the other end of the connecting shaft is perpendicularly connected with the middle of the rotating rod, a cross-shaped sliding groove is formed in the outer wall of the shell, a first sliding block is connected in a vertical groove of the cross-shaped sliding groove in a sliding mode, a second sliding block is connected in a horizontal sliding groove of the cross-shaped sliding groove in a sliding mode, one end of the rotating rod is perpendicularly connected with one end of a second rotating shaft, the other end of the second rotating shaft penetrates through the first sliding block to be connected with a first heat dissipation fan, the second rotating shaft is rotatably connected with the first sliding block, the other end of the rotating rod is perpendicularly connected with one end of a third rotating shaft, the other end of the third rotating shaft penetrates through the second sliding block to be connected with the second heat dissipation fan, and the third rotating shaft is rotatably connected with the second sliding block.
Preferably, a second motor is arranged on the inner wall of the box body, an output shaft of the second motor is connected with the first cam, the first cam is connected with the second cam in a rotating mode, an arc-shaped sliding groove is formed in the second cam, one end of the first screw is connected with the end face of the first cam, the other end of the first screw penetrates through the arc-shaped sliding groove and is in threaded connection with the nut, a fixed block is arranged on the right side of the first cam, the fixed block is connected with the inner wall of the box body, one end of the oscillating rod is hinged to the fixed block, one end of the oscillating rod is connected with the idler wheel in a rotating mode, the idler wheel can be in contact with the first cam and the circumferential outer wall of the second cam, one end of the fourth rotating shaft is connected with the idler wheel, and the other end of the fourth rotating shaft is connected with the cleaning brush.
The technical scheme of the invention has the following advantages: the invention relates to a high-temperature infrared gas analyzer, which comprises: the box, luminescence unit, heating type measuring cell, detecting element have set gradually luminescence unit, heating type measuring cell, detecting element along the horizontal direction in, heating type measuring cell below is provided with oxygen sensor. The gas enters the heating type measuring cell, the light emitting unit emits infrared rays to pass through the measuring gas, the wavelength of the corresponding light absorbed by the measuring gas is measured, the light intensity is weakened, the infrared rays are received by the detecting unit, the concentration of the substance can be determined after analysis and comparison are carried out, in addition, each substance corresponds to a filter with the infrared wavelength through a spectral filter at the light source emitting end, each gas absorbs the light with the corresponding wavelength, and therefore the components of the gas to be detected are determined. The analyzer host machine is integrally designed, and the corresponding automatic control unit function sensors are integrated inside the analyzer host machine, so that a stable environment is guaranteed when the corresponding instruments run, the box body of the analyzer is designed by adopting firm, durable and light materials, the box body is convenient to move and carry, and the field detection efficiency of gas analysis for fixed pollution sources is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a top plan view of the inner upper layer of the present invention;
FIG. 2 is a top plan view of the inner lower layer of the present invention;
FIG. 3 is a schematic view of a light-emitting unit according to the present invention;
FIG. 4 is a schematic view of a heating type measuring cell according to the present invention;
FIG. 5 is a schematic view of the structure of a detecting unit according to the present invention;
FIG. 6 is an external structural view of the present invention;
FIG. 7 is a schematic view of the heat dissipation device of the present invention;
FIG. 8 is a schematic view showing the internal structure of the casing according to the present invention;
FIG. 9 is a schematic view of the engagement of the first gear, the internal gear and the internal gear in the present invention;
FIG. 10 is a schematic view showing the construction of a dust removing apparatus according to the present invention;
FIG. 11 is a schematic view of the attachment of the cleaning brush of the present invention;
wherein, 1-box, 2-luminous unit, 3-heating type measuring cell, 4-detecting unit, 5-oxygen sensor, 6-first pressure sensor, 7-second pressure sensor, 8-zero air pump, 9-measuring air pump, 10-terminal row, 11-terminal row, 12-fan, 13-handle, 14-tablet computer, 15-front panel, 16-ventilation grid, 17-cover plate, 18-cover plate lock, 19-shell, 20-motor, 21-first rotating shaft, 22-sleeve, 23-first gear, 24-internal gear, 25-connecting rod, 26-second gear, 27-connecting shaft, 28-rotating rod, 29-first sliding block, 30-second sliding block, 31-second rotating shaft, 32-a first heat dissipation fan, 33-a third rotating shaft, 34-a second heat dissipation fan, 35-a cross-shaped chute, 36-a first cam, 37-a second cam, 38-an arc chute, 39-a first screw, 40-a nut, 41-a fixed block, 42-a swing rod, 43-a roller, 44-a fourth rotating shaft, 45-a cleaning brush, 46-a thermal printer interface, 201-an infrared light source, 202-a focusing mirror, 203-a light cutting wheel, 204-an emitter, 301-a light inlet, 302-a light outlet, 303-a first spherical mirror, 304-a second spherical mirror, 305-a third spherical mirror, 401-a filter wheel with a stepping motor, 402-a condenser, 403-a thermoelectric detector, 404-detector board, 405-cable guide hole, 406-over-temperature fuse.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must be in a particular orientation, constructed or operated in a particular orientation, and is not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The present invention provides a high temperature infrared gas analyzer, as shown in fig. 1-6, comprising: the box comprises a box body 1, a light-emitting unit 2, a heating type measuring cell 3 and a detecting unit 4, wherein the light-emitting unit 2, the heating type measuring cell 3 and the detecting unit 4 are sequentially arranged in the box body 1 along the horizontal direction, and an oxygen sensor 5 is arranged below the heating type measuring cell 3. The oxygen sensor 5 is used to detect the oxygen concentration at the exhaust port of the heating-type measuring cell.
The working principle and the beneficial technical effects of the technical scheme are as follows: the gas enters the heating type measuring cell 3, the light emitting unit 2 emits infrared rays to pass through the measuring gas, the measuring gas absorbs corresponding light wavelength, the light intensity is weakened accordingly, the infrared rays are received by the detecting unit 4, and the concentration of the substance can be determined after analysis and comparison. The heating type measuring cell is integrated with a heating unit, and the heating temperature of the measuring cell is 185 ℃ when the analyzer works. Thereby lead to the analysis appearance need not cool down and the dewatering when measuring the sample, the analysis appearance can directly measure hot humid attitude sample gas.
In one embodiment, a first pressure sensor 6 and a second pressure sensor 7 are provided on the left side of the oxygen sensor 5 to monitor the pressure in the measurement chamber and then calculate the flow rate.
In one embodiment, a zero air pump 8, a measurement air pump 9, a terminal block 10 and a thermal printer 11 are arranged in the box body 1, and a fan 12 is arranged at one end of the terminal block 11. Zero gas is gas for adjusting the minimum scale of the gas analyzer, the zero gas is ambient air or nitrogen, the measuring air pump 9 is used for driving the measuring gas to enter the heating type measuring cell, the thermal printer 11 can print instrument parameters and measuring data according to requirements, the terminal strip 11 is a plurality of or a plurality of groups of terminal assemblies which are mutually insulated and used for fixing insulating parts of electronic devices, and the fan 12 is used for radiating the electronic devices on the terminal strip.
In one embodiment, the light emitting unit 2 includes: the infrared light source 201, the focusing mirror 202, the light cutting wheel 203 and the emitter 204, wherein the focusing mirror 202 is located on the right side of the infrared light source 201, the light cutting wheel 203 is located below the infrared light source 201, and the emitter 204 is located on the right side of the light cutting wheel 203. The infrared light source 201 emits a broadband light beam, the light beam is focused by the focusing mirror 202, modulated by the light cutting wheel 203, and enters the heating type measuring cell through which the measuring gas continuously passes.
In one embodiment, a light inlet 301 is disposed at the right side of the heating type measuring cell 3, a light outlet 302 is disposed at the left side of the heating type measuring cell 3, a first spherical mirror 303 is disposed between the light inlet 301 and the light outlet 302, and a second spherical mirror 304 and a third spherical mirror 305 are disposed below the first spherical mirror 303. Infrared light enters from the light inlet 301, is reflected to the second spherical mirror 304 through the first spherical mirror 303, is reflected to the first spherical mirror 303, the third spherical mirror 305 and the first spherical mirror 303, and finally exits through the light outlet 302, and the detection optical path can reach 16 meters, so that the gas to be detected can fully absorb specific wavelength. The optical detection reflection lens manufactured by gold (Au) and barium (Ba) elements in the measuring cell is polished with high strength, SO that the waiting light energy loss of the analyzer is small when in detection, meanwhile, the lens manufactured by the corrosion-resistant gold and barium elements is more corrosion-resistant, and strong corrosive gases such as SO2, NH3, HCL, HF and the like can be effectively detected. The measuring cell is integrated with a heating unit, so that the heating temperature of the measuring cell is 185 ℃ when the analyzer works. Thereby lead to the analysis appearance need not carry out cooling and dewatering when measuring the sample, the analysis appearance can directly measure hot humid state sample gas.
In one embodiment, the detection unit 4 comprises: the device comprises a filter wheel 401 with a stepping motor, a condenser 402 and a thermoelectric detector 403, wherein the condenser 402 is arranged on the left side of the filter wheel 401 with the stepping motor, the thermoelectric detector 403 is arranged obliquely above the condenser 402, the thermoelectric detector 403 is fixed on a detector plate 404, a cable guide hole 405 is arranged below the condenser 402, and an overtemperature fuse 406 is arranged below the cable guide hole 405. The infrared light passes through a filter wheel 401 with a stepping motor, a condenser 402 and a thermoelectric detector 403, the infrared light passes through a measurement filter and a reference filter on the filter wheel, and then enters the detector through the condenser for comparison, so that the components of the gas are detected.
In one embodiment, the case 1 is provided with a carrying handle 13 on a side wall thereof, so that the case is convenient to move and more convenient to analyze gas.
In one embodiment, a tablet computer 14 is provided on the top of the case 1, and the graphed measurement values can be seen on the tablet computer or the computer, and the instrument parameters can also be set by the computer.
In one embodiment, the box body 1 is provided with a front panel 15, the front panel 15 is provided with a thermal printer interface 46 and a ventilation grid 16, the thermal printer interface 46 can output measurement data in a communication mode, and the ventilation grid 16 plays a role in ventilation and heat dissipation.
In one embodiment, the box body 1 is provided with a cover plate 17, the cover plate 17 is connected through a cover plate lock 18, and the cover plate 17 plays a role in protection.
In one embodiment, as shown in fig. 7-9, a heat sink is included, the heat sink comprising: the device comprises a shell 19, a first motor 20, a first rotating shaft 21, a sleeve 22, a first gear 23 and an internal gear 24;
be provided with casing 19 on the 1 inner wall of box, be provided with first motor 20 on the 19 inner wall of casing, first motor 20 output shaft is connected with first pivot 21 one end, and the first pivot 21 other end passes sleeve pipe 22 and is connected with first gear 23, and first pivot 21 rotates with sleeve pipe 22 to be connected, and the coaxial cover of first gear 23 is equipped with internal gear 24, sleeve pipe 22 outer wall is connected through connecting rod 25 with internal gear 24 terminal surface, internal gear 24 with be provided with second gear 26 between the first gear 23, second gear 26 respectively with first gear 23, internal gear 24 meshing, connecting axle 27 one end is connected with second gear 26 centre of a circle department, and the connecting axle 27 other end is connected with the runner 28 centre department perpendicularly, be provided with cross spout 35 on the outer wall of casing 19, and the vertical inslot sliding connection of cross spout 35 has first slider 29, and sliding connection has second slider 30 in the horizontal chute of cross spout 35, and runner 28 one end is connected with second pivot 31 one end perpendicularly, and the second pivot 31 other end passes first slider 29 and is connected with first heat dissipation fan 32, second pivot 31 with the first slider 29 rotation of first slider, the first slider other end is connected, and the third pivot 33 is connected with third slider 33, and third pivot 33 is connected with second slider 33.
The working principle and the beneficial technical effects of the technical scheme are as follows: the first motor 20 is started, the first gear 23 is driven to rotate, through the meshing of the first gear 23, the second gear 26 and the internal gear 24, the second gear 26 is continuously circulated around the circle center of the first gear 23 while being circulated, the rotating rod 28 is driven to move, the rotating rod 28 drives the first sliding block 29 to slide back and forth along the vertical groove of the cross-shaped sliding groove 35, the second sliding block 30 slides back and forth along the horizontal groove of the cross-shaped sliding groove 35, and the first sliding block 29 and the second sliding block 30 alternately pass through the intersection of the cross-shaped sliding groove 35, meanwhile, the second rotating shaft 31 drives the first heat dissipation fan 32 to rotate, the third rotating shaft 33 drives the second heat dissipation fan 34 to rotate, and the first heat dissipation fan 32 and the second heat dissipation fan 34 alternately move back and forth along the straight line and the horizontal direction respectively and simultaneously rotate continuously, so as to cool and dissipate heat for the components in the box body 1, and improve the heat dissipation efficiency.
In one embodiment, as shown in fig. 10 to 11, a second motor is disposed on an inner wall of the box body 1, an output shaft of the second motor is connected to a first cam 36, a second cam 37 is rotatably connected to the first cam 36, an arc chute 38 is disposed on the second cam 37, one end of a first screw 39 is connected to an end surface of the first cam 36, the other end of the first screw 39 passes through the arc chute 38 and is in threaded connection with a nut 40, a fixed block 41 is disposed on a right side of the first cam 36, the fixed block 41 is connected to the inner wall of the box body 1, one end of a swing link 42 is hinged to the fixed block 41, one end of the swing link 42 is rotatably connected to a roller 43, the roller 43 is in contact with circumferential outer walls of the first cam 36 and the second cam 37, one end of a fourth rotating shaft 44 is connected to the roller 43, the other end of the fourth rotating shaft 44 is connected to a cleaning brush 45, and the cleaning brush 45 is in surface contact with the detecting unit 4.
The working principle and the beneficial technical effects of the technical scheme are as follows: the second motor is started to drive the first cam 36 to rotate, the swing rod 42 is enabled to swing up and down in a reciprocating mode through the contact of the roller 43 and the outer circumferential wall of the first cam 36, the swing rod can stop at a limit position, meanwhile, the roller 43 continuously rotates to drive the cleaning brush 45 to clean and remove dust of components in the box body 1, dust accumulation is prevented, and heat dissipation efficiency is improved. When it is necessary to change the stop time of the extreme positions to increase the cleaning time of the important parts, the stop time of the cleaning brush 45 at the upper and lower extreme positions can be changed by rotating the second cam 37 so that the second cam 37 rotates along the circumferential direction of the first cam 36, and then tightening the nut 40 to fix the first cam 36 and the second cam 37.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A high temperature infrared gas analyzer, comprising: the device comprises a box body (1), a light-emitting unit (2), a heating type measuring pool (3) and a detecting unit (4), wherein the light-emitting unit (2), the heating type measuring pool (3) and the detecting unit (4) are sequentially arranged in the box body (1) along the horizontal direction, and an oxygen sensor (5) is arranged below the heating type measuring pool (3).
2. A high temperature infrared gas analyzer according to claim 1, characterized in that the oxygen sensor (5) is provided with a first pressure sensor (6) and a second pressure sensor (7) at the left side.
3. A high temperature infrared gas analyzer according to claim 1, characterized in that the box (1) is provided with a zero gas pump (8), a measurement gas pump (9), a terminal block (10), and a thermal printer (11), and one end of the terminal block (10) is provided with a fan (12).
4. A high temperature infrared gas analyzer according to claim 1, characterized in that the light emitting unit (2) comprises: the infrared light source (201), the focusing mirror (202), cut smooth wheel (203), transmitter (204), focusing mirror (202) are located the right side of infrared light source (201), cut smooth wheel (203) and be located infrared light source (201) below, transmitter (204) are located and cut smooth wheel (203) right side.
5. A high temperature infrared gas analyzer according to claim 1, characterized in that the right side of the heating type measuring cell (3) is provided with a light inlet (301), the left side of the heating type measuring cell (3) is provided with a light outlet (302), a first spherical mirror (303) is arranged between the light inlet (301) and the light outlet (302), and a second spherical mirror (304) and a third spherical mirror (305) are arranged below the first spherical mirror (303).
6. A high temperature infrared gas analyzer according to claim 1, characterized in that the detection unit (4) comprises: the filter wheel (401) with the stepping motor, the collecting mirror (402) and the thermoelectric detector (403), wherein the collecting mirror (402) is arranged on the left side of the filter wheel (401) with the stepping motor, the thermoelectric detector (403) is arranged obliquely above the collecting mirror (402), the thermoelectric detector (403) is fixed on the detector plate (404), a cable guide hole (405) is formed below the collecting mirror (402), and an over-temperature fuse (406) is arranged below the cable guide hole (405).
7. A high-temperature infrared gas analyzer according to claim 1, characterized in that a carrying handle (13) is arranged on the side wall of the box body (1), a tablet computer (14) is arranged at the top end of the box body (1), a front panel (15) is arranged on the box body (1), a thermal printer interface (46) and a ventilation grid (16) are arranged on the front panel (15), a cover plate (17) is arranged on the box body (1), and the cover plate (17) is connected through a cover plate lock (18).
8. A high-temperature infrared gas analyzer as claimed in claim 1, characterized in that a housing (19) is arranged on the inner wall of the case (1), a first motor (20) is arranged on the inner wall of the housing (19), an output shaft of the first motor (20) is connected with one end of a first rotating shaft (21), the other end of the first rotating shaft (21) passes through a sleeve (22) to be connected with a first gear (23), the first rotating shaft (21) is rotatably connected with the sleeve (22), an internal gear (24) is coaxially sleeved on the first gear (23), the outer wall of the sleeve (22) is connected with the end face of the internal gear (24) through a connecting rod (25), a second gear (26) is arranged between the internal gear (24) and the first gear (23), and the second gear (26) is respectively engaged with the first gear (23) and the internal gear (24).
9. The high-temperature infrared gas analyzer as claimed in claim 8, wherein one end of the connecting shaft (27) is connected with the center of the second gear (26), the other end of the connecting shaft (27) is vertically connected with the middle of the rotating rod (28), a cross-shaped sliding groove (35) is formed in the outer wall of the shell (19), a first sliding block (29) is connected in a vertical groove of the cross-shaped sliding groove (35) in a sliding manner, a second sliding block (30) is connected in a horizontal sliding groove of the cross-shaped sliding groove (35) in a sliding manner, one end of the rotating rod (28) is vertically connected with one end of a second rotating shaft (31), the other end of the second rotating shaft (31) penetrates through the first sliding block (29) to be connected with a first heat dissipation fan (32), the second rotating shaft (31) is rotatably connected with the first sliding block (29), the other end of the rotating rod (28) is vertically connected with one end of a third rotating shaft (33), the other end of the third rotating shaft (33) penetrates through the second sliding block (30) to be connected with a second heat dissipation fan (34), and the third rotating shaft (33) is rotatably connected with the second sliding block (30).
10. The high-temperature infrared gas analyzer as claimed in claim 1, wherein a second motor is arranged on the inner wall of the box body (1), an output shaft of the second motor is connected with the first cam (36), the first cam (36) is rotatably connected with the second cam (37), the second cam (37) is provided with an arc-shaped chute (38), one end of a first screw rod (39) is connected with the end face of the first cam (36), the other end of the first screw rod (39) penetrates through the arc-shaped chute (38) to be in threaded connection with a nut (40), a fixed block (41) is arranged on the right side of the first cam (36), the fixed block (41) is connected with the inner wall of the box body (1), one end of a swing rod (42) is hinged with the fixed block (41), one end of the swing rod (42) is rotatably connected with a roller (43), the roller (43) can be in contact with the circumferential outer walls of the first cam (36) and the second cam (37), one end of a fourth rotating shaft (44) is connected with the roller (43), and the other end of the fourth rotating shaft (44) is connected with a cleaning brush (45).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211264027.2A CN115326738A (en) | 2022-10-17 | 2022-10-17 | High-temperature infrared gas analyzer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211264027.2A CN115326738A (en) | 2022-10-17 | 2022-10-17 | High-temperature infrared gas analyzer |
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| CN115326738A true CN115326738A (en) | 2022-11-11 |
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| CN202211264027.2A Pending CN115326738A (en) | 2022-10-17 | 2022-10-17 | High-temperature infrared gas analyzer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115791675A (en) * | 2023-02-07 | 2023-03-14 | 北京乐氏联创科技有限公司 | High-temperature infrared gas detection device |
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