CN107917994B - Long service life's exhaust emission on-line monitoring device - Google Patents
Long service life's exhaust emission on-line monitoring device Download PDFInfo
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- CN107917994B CN107917994B CN201711383005.7A CN201711383005A CN107917994B CN 107917994 B CN107917994 B CN 107917994B CN 201711383005 A CN201711383005 A CN 201711383005A CN 107917994 B CN107917994 B CN 107917994B
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 25
- 239000000428 dust Substances 0.000 claims abstract description 30
- 238000004140 cleaning Methods 0.000 claims abstract description 23
- 238000007790 scraping Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 15
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000003973 paint Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002912 waste gas Substances 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
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
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- Chemical & Material Sciences (AREA)
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- Health & Medical Sciences (AREA)
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- Combustion & Propulsion (AREA)
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- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to the technical field of online detection of exhaust emission, and discloses an online monitoring device for exhaust emission with long service life, which comprises a machine body, wherein an output end on the right side of the machine body is fixedly connected with a dust outlet pipeline communicated with the interior of the machine body, the left side and the right side of the machine body are fixedly connected with a plurality of air suction pipelines positioned above the dust outlet pipeline, the front side of the machine body is fixedly connected with two fixing plates which are bilaterally symmetrical, the bottom of each fixing plate is fixedly connected with a limiting spring, and one end, far away from each fixing plate, of each limiting spring is fixedly connected with a connecting rod. This long service life's exhaust emission on-line monitoring device plays the effect of carrying out the dust clearance to the inside of on-line monitoring through setting up step motor, threaded rod, traction lever and cleaning brush roller, and then guaranteed the work that exhaust emission on-line monitoring device internal circuit lasts for a long time, very big promotion exhaust emission device's life to reach the effect that prolongs the change cycle.
Description
Technical Field
The invention relates to the technical field of online detection of exhaust emission, in particular to an online exhaust emission monitoring device with long service life.
Background
The exhaust emission refers to the pollutant in the exhaust gas discharged from the chimney or the exhaust pipe hole, which is a serious pollution source of the atmosphere, various exhaust gases discharged from the industrial enterprises in the combustion and production process are used as main reasons for causing the atmosphere pollution, the pollution in the coating process is much more serious than that of a coating manufacturer, the solvent amount in the atmosphere is not more than 2% of the solvent consumption in the coating manufacturing process in the coating production process, the solvent volatilization in the ball milling process is less than 0.25%, however, the loss is varied from 20% to 80% according to the type of the coating and the coating method in the coating process, for example, 50% -70% of the solvent type coating is scattered in paint mist in the coating process in the air spraying operation, the total organic solvent volatilization is released into the atmosphere, the harmful exhaust gas discharged in the coating is mainly concentrated on the paint spraying production line, and the paint spray chamber, the air drying chamber and the drying chamber are main generation sources of the exhaust gas, so the on-line detection of the exhaust emission is very important.
But current exhaust emission on-line monitoring device is because inside dust can not in time clear up and lead to the circuit to appear short circuit ageing, directly leads to exhaust emission on-line monitoring device's life-span very short, has directly influenced long-time continuous work to because the condition that exhaust emission on-line monitoring device worked leads to the surface spot more, directly influenced staff to the normal observation efficiency of display screen.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides the online exhaust emission monitoring device with long service life, which has the advantages of cleaning dust on the inner wall, cleaning a display screen and the like, and solves the problems of low service life of a circuit and inconvenient observation of the display screen.
(II) technical scheme
In order to achieve the purposes of cleaning dust on the inner wall and cleaning the display screen, the invention provides the following technical scheme: the utility model provides a long service life's exhaust emission on-line monitoring device, includes the organism, the output fixedly connected with of organism right side communicates the inside dust pipeline that goes out of organism, the left and right sides fixedly connected with of organism is located a plurality of air suction pipelines of dust pipeline top, the front fixedly connected with of organism two fixed plates of bilateral symmetry, the bottom fixedly connected with spacing spring of fixed plate, spacing spring keeps away from the one end fixedly connected with connecting rod of fixed plate, the one end fixedly connected with clearance board of spacing spring is kept away from to the connecting rod, clearance board's back fixedly connected with clearance brush, one side fixedly connected with pulling plate that the clearance board kept away from the connecting rod, the right side fixedly connected with driven gear of pulling plate, the positive output fixedly connected with pivot of driving motor, the one end fixedly connected with initiative carousel of pivot kept away from driving motor, fixedly connected with a plurality of initiative gears on the partial surface of initiative carousel, meshing connection between initiative gear and the driven gear, the one end fixedly connected with of two inner walls of two power case fixed connection of motor, the inner wall that the two side of clearance board kept away from the connecting rod are located on the two side of the motor, the inner wall of step-by step motor, the inner wall that the top of two power case fixed connection of step motor, the top of the two power case fixed connection, the step motor is located on the inner wall of the two side of the motor is kept away from the inner wall of the fixed connection of the motor, the top of the step motor is fixed connection, the utility model discloses a dust removal device, including threaded rod, power box fixedly connected with U-shaped plate, the loop bar is kept away from the one end fixedly connected with limiting plate of threaded rod, the surface at the limiting plate is cup jointed in the surface of limiting plate, one side fixedly connected with pull rod of loop bar is kept away from to the limiting plate, the one end that the limiting plate was kept away from to the pull rod runs through the power box fixedly connected with U-shaped plate, the internal surface swing joint of U-shaped plate has the bolt that runs through the U-shaped plate, the surface fixedly connected with of bolt is located the cleaning brush roller of U-shaped plate internal surface, fixedly connected with asynchronous motor on the inner wall of bottom of the body, the output fixedly connected with rotary rod on asynchronous motor right side, the surface fixedly connected with helical blade of rotary rod, the one end that the asynchronous motor output was kept away from to the helical blade extends to the internal surface of play dirt pipeline.
Preferably, the length of the dust outlet pipeline is between ten centimeters and fifteen centimeters, and the inner diameter of the dust outlet pipeline is between four centimeters and six centimeters.
Preferably, the length of the limiting spring is between ten centimeters and fifteen centimeters, and the elastic coefficient of the limiting spring is between one newton per centimeter and ten newtons per centimeter.
Preferably, the number of the bottom limit springs of the fixing plate is not less than four, and the limit springs are in a rectangular array.
Preferably, the number of the driven gears is not less than five, and not less than five driven gears are in a rectangular array.
Preferably, the number of the driving gears is not less than four, and the angle of the driving gears is one hundred eighty degrees.
Preferably, the connection mode between the dust outlet pipeline and the machine body as well as the fixed plate and the machine body is welding, and the connection mode between the loop bar and the traction bar as well as the limiting plate is welding.
Preferably, the outer surfaces of the driving gear and the traction rod are fixedly connected with wear-resistant pads, and the outer surface of the spiral scraping plate is fixedly connected with anti-slip pads.
Preferably, the height of the spiral scraper is between five centimeters and seven centimeters, and the length of the spiral scraper is between one hundred fifty centimeters and one hundred eighty centimeters.
(III) beneficial effects
Compared with the prior art, the invention provides the online exhaust emission monitoring device with long service life, which has the following beneficial effects:
1. This long service life's exhaust emission on-line monitoring device plays the effect of carrying out the dust clearance to the inside of on-line monitoring through setting up step motor, threaded rod, traction lever and cleaning brush roller, and then guaranteed the work that exhaust emission on-line monitoring device internal circuit lasts for a long time, very big promotion exhaust emission device's life to reach the effect that prolongs the change cycle.
2. This long service life's exhaust emission on-line monitoring device plays the effect of carrying out the quick clearance to display screen's surface through setting up spacing spring, clearance brush, driven gear and driving gear, and then has guaranteed staff's quick observation and analysis to monitoring data to reach the effect of being convenient for the staff in time to analysis and operation to unusual data.
Drawings
FIG.1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the body of the present invention;
Fig. 3 is a schematic view of the internal structure of the power box of the present invention.
In the figure: the dust removing device comprises a machine body 1, a dust removing pipeline 2, a gas suction pipeline 3, a fixing plate 4, a limit spring 5, a connecting rod 6, a cleaning plate 7, a cleaning brush 8, a traction plate 9, a driven gear 10, a driving motor 11, a rotating shaft 12, a driving turntable 13, a driving gear 14, a display screen 15, a power box 16, a stepping motor 17, a limit rod 18, a stop rod 19, a threaded rod 20, a sleeve rod 21, a limit plate 22, a traction rod 23, a U-shaped plate 24, a plug pin 25, a cleaning brush roller 26, an asynchronous motor 27, a rotating rod 28 and a spiral scraping plate 29.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, an online monitoring device for exhaust emission with long service life comprises a machine body 1, an output end on the right side of the machine body 1 is fixedly connected with a dust outlet pipeline 2 communicated with the interior of the machine body 1, the length of the dust outlet pipeline 2 is between ten centimeters and fifteen centimeters, the inner diameter of the dust outlet pipeline 2 is between four centimeters and six centimeters, the left side and the right side of the machine body 1 are fixedly connected with a plurality of air suction pipelines 3 positioned above the dust outlet pipeline 2, the front side of the machine body 1 is fixedly connected with two fixing plates 4 which are bilaterally symmetrical, the bottom of each fixing plate 4 is fixedly connected with a limit spring 5, the length of each limit spring 5 is between ten centimeters and fifteen centimeters, the elastic coefficient of each limit spring 5 is between one newton per centimeter and ten newton per centimeter, The number of the limit springs 5 at the bottom of the fixed plate 4 is not less than four, the limit springs 5 are in a rectangular array, one end of the limit springs 5 away from the fixed plate 4 is fixedly connected with a connecting rod 6, one end of the connecting rod 6 away from the limit springs 5 is fixedly connected with a cleaning plate 7, the back surface of the cleaning plate 7 is fixedly connected with a cleaning brush 8, one side of the cleaning plate 7 away from the connecting rod 6 is fixedly connected with a traction plate 9, the right side of the traction plate 9 is fixedly connected with a plurality of driven gears 10, the number of the driven gears 10 is not less than five, the driven gears 10 are in a rectangular array, the front surface of the machine body 1 is fixedly connected with a driving motor 11 positioned on the right side of the driven gears 10, The output end of the front face of the driving motor 11 is fixedly connected with a rotating shaft 12, one end of the rotating shaft 12 far away from the driving motor 11 is fixedly connected with a driving turntable 13, a plurality of driving gears 14 are fixedly connected to part of the outer surface of the driving turntable 13, the number of the driving gears 14 is not less than four, the angle of the annular array of the driving gears 14 is one hundred eighty degrees, the driving gears 14 are in meshed connection with the driven gears 10, the front face of the machine body 1 is fixedly connected with a display screen 15 positioned between two fixing plates 4, the effect of quickly cleaning the outer surface of the display screen 15 is achieved by arranging a limiting spring 5, a cleaning brush 8, the driven gears 10 and the driving gears 14, further ensures the rapid observation and analysis of the monitoring data by the staff, thereby achieving the effect of being convenient for the staff to analyze and operate the abnormal data in time, two symmetrical power boxes 16 are fixedly connected on the inner walls of the left side and the right side of the machine body 1, a stepping motor 17 is fixedly connected on the inner wall of the top of the power box 16, two symmetrical limiting rods 18 which are positioned at the two sides of the stepping motor 17 are fixedly connected on the inner wall of the top of the power box 16, one ends of the two limiting rods 18 far away from the inner wall of the top of the power box 16 are fixedly connected through a stop lever 19, the output end of the bottom of the stepping motor 17 is fixedly connected with a threaded rod 20, one end of the threaded rod 20 far away from the output end of the stepping motor 17 is in threaded connection with a sleeve rod 21, One end of the sleeve rod 21 far away from the threaded rod 20 is fixedly connected with a limiting plate 22, the left side and the right side of the limiting plate 22 are sleeved on the outer surface of the limiting rod 18, one side of the limiting plate 22 far away from the sleeve rod 21 is fixedly connected with a traction rod 23, the connection mode between the dust outlet pipeline 2 and the fixed plate 4 and the machine body 1 is welding, the connection mode between the sleeve rod 21 and the traction rod 23 and the limiting plate 22 is also welding, one end of the traction rod 23 far away from the limiting plate 22 penetrates through the power box 16 to be fixedly connected with a U-shaped plate 24, the inner surface of the U-shaped plate 24 is movably connected with a bolt 25 penetrating through the U-shaped plate 24, the outer surface of the bolt 25 is fixedly connected with a cleaning brush roller 26 positioned on the inner surface of the U-shaped plate 24, the step motor 17, the threaded rod 20, the traction rod 23 and the cleaning brush roller 26 are arranged to play a role in cleaning dust in the on-line monitoring, so that the long-time operation of the internal circuit of the on-line monitoring device for exhaust emission is ensured, the service life of the exhaust emission device is greatly prolonged, the effect of prolonging the replacement period is achieved, the asynchronous motor 27 is fixedly connected to the inner wall of the bottom of the machine body 1, the rotary rod 28 is fixedly connected to the output end of the right side of the asynchronous motor 27, the spiral scraping plate 29 is fixedly connected to the outer surface of the rotary rod 28, one end of the spiral scraping plate 29, which is far away from the output end of the asynchronous motor 27, extends to the inner surface of the dust outlet pipeline 2, The outer surfaces of the driving gear 14 and the traction rod 23 are fixedly connected with wear-resistant pads, the outer surface of the spiral scraping plate 29 is fixedly connected with anti-slip pads, the height of the spiral scraping plate 29 is between five centimeters and seven centimeters, and the length of the spiral scraping plate 29 is between one hundred fifty centimeters and one hundred eighty centimeters.
When the device is used, the action of enabling the traction rod 23 to enable the cleaning brush roller 26 to clean the dust in the waste gas on-line monitoring device is achieved by starting the stepping motor 17, and then the effect of continuously working for a long time through a guaranteed circuit is achieved, and the effect of prolonging the service life is achieved.
To sum up, this long service life's exhaust emission on-line monitoring device plays the effect of carrying out the dust clearance to on-line monitoring's inside through setting up step motor 17, threaded rod 20, traction lever 23 and cleaning brush roller 26, and then has guaranteed the work that exhaust emission on-line monitoring device internal circuit lasts for a long time, very big promotion exhaust emission device's life to reach the effect that prolongs the change cycle.
And, play the effect of carrying out quick clearance to the surface of display screen 15 through setting up spacing spring 5, clearance brush 8, driven gear 10 and driving gear 14, and then guaranteed staff's quick observation and the analysis to monitoring data to reach the effect of being convenient for the staff in time to abnormal data analysis and operation.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a long service life's exhaust emission on-line monitoring device, includes organism (1), its characterized in that: the utility model is characterized in that the output end on the right side of the machine body (1) is fixedly connected with a dust outlet pipeline (2) which is communicated with the interior of the machine body (1), the left side and the right side of the machine body (1) are fixedly connected with a plurality of air suction pipelines (3) which are positioned above the dust outlet pipeline (2), the front side of the machine body (1) is fixedly connected with two fixing plates (4) which are bilaterally symmetrical, the bottom of each fixing plate (4) is fixedly connected with a limit spring (5), one end of each limit spring (5) far away from each fixing plate (4) is fixedly connected with a connecting rod (6), one end of each connecting rod (6) far away from each limit spring (5) is fixedly connected with a cleaning plate (7), The back fixedly connected with clearance brush (8) of clearance board (7), one side fixedly connected with pulling plate (9) of connecting rod (6) is kept away from to clearance board (7), the right side fixedly connected with pinion rack (10) of pulling plate (9), the positive fixedly connected with of organism (1) is located driving motor (11) on pinion rack (10) right side, driving motor (11) positive output fixedly connected with pivot (12), driving motor (11) was kept away from to pivot (12) one end fixedly connected with initiative carousel (13), fixedly connected with driving gear (14) on the part surface of initiative carousel (13), The driving gear (14) is meshed with the toothed plate (10), the front surface of the machine body (1) is fixedly connected with a display screen (15) positioned between the two fixing plates (4), two symmetrical power boxes (16) are fixedly connected to the inner walls at the left side and the right side of the machine body (1), a stepping motor (17) is fixedly connected to the inner wall at the top of each power box (16), two symmetrical limiting rods (18) positioned at two sides of the stepping motor (17) are fixedly connected to the inner wall at the top of each power box (16), one ends of the two limiting rods (18) away from the inner wall at the top of each power box (16) are fixedly connected through a stop lever (19), The output end of the bottom of the stepping motor (17) is fixedly connected with a threaded rod (20), one end of the threaded rod (20) far away from the output end of the stepping motor (17) is in threaded connection with a loop bar (21), one end of the loop bar (21) far away from the threaded rod (20) is fixedly connected with a limiting plate (22), the left side and the right side of the limiting plate (22) are sleeved on the outer surface of the limiting rod (18), one side of the limiting plate (22) far away from the loop bar (21) is fixedly connected with a traction rod (23), one end of the traction rod (23) far away from the limiting plate (22) penetrates through the power box (16) and is fixedly connected with a U-shaped plate (24), The inner surface of the U-shaped plate (24) is movably connected with a bolt (25) penetrating through the U-shaped plate (24), the outer surface of the bolt (25) is fixedly connected with a cleaning brush roller (26) positioned on the inner surface of the U-shaped plate (24), an asynchronous motor (27) is fixedly connected to the inner wall of the bottom of the machine body (1), the output end of the right side of the asynchronous motor (27) is fixedly connected with a rotary rod (28), the outer surface of the rotary rod (28) is fixedly connected with a spiral scraping plate (29), and one end of the spiral scraping plate (29) far away from the output end of the asynchronous motor (27) extends to the inner surface of the dust outlet pipeline (2);
The number of the bottom limit springs (5) of the fixed plate (4) is not less than four, and the number of the limit springs (5) is not less than four, and the limit springs are in a rectangular array;
The number of teeth on the toothed plate (10) is not less than five.
2. The long-life exhaust emission on-line monitoring device of claim 1, wherein: the length of the dust outlet pipeline (2) is between ten centimeters and fifteen centimeters, and the inner diameter of the dust outlet pipeline (2) is between four centimeters and six centimeters.
3. The long-life exhaust emission on-line monitoring device of claim 1, wherein: the length of the limiting spring (5) is between ten centimeters and fifteen centimeters, and the elastic coefficient of the limiting spring (5) is between one newton per centimeter and ten newtons per centimeter.
4. The long-life exhaust emission on-line monitoring device of claim 1, wherein: the connection mode between the dust outlet pipeline (2), the fixing plate (4) and the machine body (1) is welding, and the connection mode between the sleeve rod (21), the traction rod (23) and the limiting plate (22) is also welding.
5. The long-life exhaust emission on-line monitoring device of claim 1, wherein: the outer surfaces of the driving gear (14) and the traction rod (23) are fixedly connected with wear-resistant pads, and the outer surface of the spiral scraping plate (29) is fixedly connected with an anti-slip pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711383005.7A CN107917994B (en) | 2017-12-20 | 2017-12-20 | Long service life's exhaust emission on-line monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711383005.7A CN107917994B (en) | 2017-12-20 | 2017-12-20 | Long service life's exhaust emission on-line monitoring device |
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| CN107917994B true CN107917994B (en) | 2024-06-28 |
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| CN108554965A (en) * | 2018-06-12 | 2018-09-21 | 安吉麦锐克家居有限公司 | A kind of office chair processing body cleaning device for inner wall |
| CN109001377B (en) * | 2018-06-22 | 2024-04-26 | 佛山瀚兽环境科技服务有限公司 | Exhaust gas monitoring device with function of presenting operation state |
| CN113770136B (en) * | 2021-05-14 | 2022-12-20 | 王志鑫 | Atmospheric detection case structure |
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| CN205628676U (en) * | 2016-03-22 | 2016-10-12 | 福建品派包装有限公司 | Internet service platform |
| CN106733754B (en) * | 2016-12-20 | 2019-03-01 | 慧明光电(深圳)有限公司 | A kind of big data LED display surface dust cleaning apparatus |
| CN206560752U (en) * | 2017-03-21 | 2017-10-17 | 台州职业技术学院 | A kind of gas analyzer gas cell device |
| CN107479063A (en) * | 2017-10-18 | 2017-12-15 | 苏州贝龙光电科技有限公司 | A kind of laser ranging system for being easy to multidirectional regulation |
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| CN206192975U (en) * | 2016-11-16 | 2017-05-24 | 西安航空学院 | Workshop air quality measurement and control device based on singlechip |
| CN106652816A (en) * | 2016-12-15 | 2017-05-10 | 重庆英洛凡科技有限公司 | Outdoor LED display screen with cleaning function |
| CN106824934A (en) * | 2017-03-30 | 2017-06-13 | 厦门大学嘉庚学院 | Horizontal flue dust and dirt removal device and its method of work |
| CN207703810U (en) * | 2017-12-20 | 2018-08-07 | 浙江舜虞达物联科技有限公司 | A kind of exhaust gas discharge on-Line Monitor Device with long service life |
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