CN117074629A - VOCs on-line monitoring system - Google Patents
VOCs on-line monitoring system Download PDFInfo
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- CN117074629A CN117074629A CN202311351585.7A CN202311351585A CN117074629A CN 117074629 A CN117074629 A CN 117074629A CN 202311351585 A CN202311351585 A CN 202311351585A CN 117074629 A CN117074629 A CN 117074629A
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- placing
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 72
- 238000012544 monitoring process Methods 0.000 title claims abstract description 47
- 238000005070 sampling Methods 0.000 claims abstract description 65
- 239000000523 sample Substances 0.000 claims abstract description 62
- 238000009423 ventilation Methods 0.000 claims description 24
- 238000004140 cleaning Methods 0.000 claims description 16
- 230000006978 adaptation Effects 0.000 claims description 5
- 239000002912 waste gas Substances 0.000 abstract description 8
- 238000002955 isolation Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 24
- 238000000034 method Methods 0.000 description 11
- 238000001514 detection method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- -1 methane hydrocarbon Chemical class 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000007723 transport mechanism Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Natural products C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Classifications
-
- 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
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0047—Organic compounds
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of VOCs monitoring, and particularly discloses a VOCs on-line monitoring system, which comprises a cabinet body, a sampling probe and a base, wherein a VOCs monitoring machine is placed in the cabinet body, a vent pipe is fixedly connected to the left side of the cabinet body, a placing bin is fixedly connected to the right side of the cabinet body, a buffer component is arranged on the base, a placing component is arranged on the placing bin, a dustproof component is arranged on the vent pipe, the placing component comprises a placing block fixedly connected with the inner bottom of the placing bin, a rotating rod is rotatably connected to the bottom of the placing bin, a gear is fixedly connected to the outer side of the rotating rod, and the VOCs on-line monitoring system can place the sampling probe in the placing bin after the VOCs monitoring machine detects waste gas, and two limiting plates clamp and limit the sampling probe, so that the sampling probe is kept stable, and the sampling probe is protected from air isolation, and the condition that the sampling probe is damaged due to collision or external environment is reduced.
Description
Technical Field
The invention relates to the technical field of VOCs monitoring, in particular to a VOCs on-line monitoring system.
Background
VOCs are generally classified into non-methane hydrocarbon, oxygen-containing organic compounds, halogenated hydrocarbons, nitrogen-containing organic compounds, sulfur-containing organic compounds and the like, and participate in the formation of ozone and secondary aerosols in the atmospheric environment, and have important influences on regional atmospheric ozone pollution and PM2.5 pollution, and the VOCs on-line monitoring system is divided into two types, namely, the detection of organized waste gas, namely, the collection of waste gas with chimney discharge, and the detection of unstructured waste gas, namely, the detection of factory environment waste gas, namely, the detection of outdoor environment, and the detection of environment needs to be carried out by using VOCs on-line monitoring system equipment.
For example, chinese patent CN114252496a proposes an online automatic monitoring system of VOCs, which comprises a cabinet body, control terminal is installed to the internal upper end of cabinet, install gas burning detection mechanism on the cabinet body, gas burning detection mechanism includes combustion part and detector, install sample transport mechanism on the cabinet body, sample transport mechanism includes transmission line, install fuel supply mechanism on the cabinet body, fuel supply mechanism includes fuel tank and outlet duct, but this technical scheme is when implementing, needs gather the VOCs in the passageway through sampling probe, because be connected through the data line between sampling probe and the VOCs monitor, after using, sampling probe directly exposes outside, if receive collision or external environment influence, appears sampling probe damage's condition easily, so proposes an online monitoring system of VOCs solves the above-mentioned problem.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a VOCs on-line monitoring system, which has the advantages of protection and the like, and solves the technical problems that the sampling probe is directly placed on the outer side after the use is finished because the sampling probe is connected with a VOCs monitoring machine through a data line, and if the sampling probe is impacted by collision or external environment, the sampling probe is easy to damage or the monitoring precision is reduced.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: VOCs on-line monitoring system, including the cabinet body, sampling probe and base, VOCs monitor has been placed to the inside of the cabinet body, the left side fixedly connected with ventilation pipe of the cabinet body, the right side fixedly connected with of the cabinet body places the storehouse, be provided with buffer assembly on the base, place and be provided with on the storehouse and place the subassembly, be provided with dustproof subassembly on the ventilation pipe;
the assembly is placed including placing the piece with place the interior bottom wall fixed connection in storehouse, the bottom in place the storehouse is rotated and is connected with the dwang, the outside fixedly connected with gear of dwang, the inside fixedly connected with slide bar in place the storehouse, slide bar's outside sliding connection has a quantity to be two fly leaves, two the equal fixedly connected with limiting plate in one side that the fly leaf is relative, two the equal fixedly connected with pinion rack in one side that the fly leaf is relative, the reset spring that the quantity is two has been cup jointed in the outside of slide bar.
Further, dustproof subassembly includes the dust screen with the inside fixed connection of ventilation pipe, the top fixed mounting of ventilation pipe has the motor, the output shaft fixedly connected with reciprocating screw rod of motor, the outside threaded connection of reciprocating screw rod has the cleaning brush, the inside fixedly connected with gag lever post of ventilation pipe, the interior bottom wall fixedly connected with weather shield of ventilation pipe.
Further, the buffer assembly includes the attenuator that is two and with bottom fixed connection in the base, first buffer spring has been cup jointed in the outside of attenuator, the interior bottom wall sliding connection of base has a movable block that is two in quantity, the equal fixedly connected with second buffer spring of the left and right sides inner wall of base, the bottom of the cabinet body articulates there is a bracing piece that is two in quantity.
Further, the inside of fly leaf is offered and is had the slip through-hole with slide bar size looks adaptation, dwang one end runs through and extends to the inside of placing the storehouse.
Further, the toothed plates intermesh with a gear, which is located between the two toothed plates.
Further, one ends of the two reset springs are fixedly connected with the inner walls of the left side and the right side of the placement bin respectively, and one ends of the two reset springs are fixedly connected with one sides of the two movable plates opposite to each other respectively.
Further, the limiting plate is an arc-shaped plate, and a threaded through hole in threaded connection with the reciprocating screw rod is formed in the cleaning brush.
Further, the inside of cleaning brush is offered and is had the spacing through-hole with gag lever post size looks adaptation, the weather shield is the slope setting, the one end of bracing piece is articulated with the front of movable block, two the other end of second buffer spring respectively with one side fixed connection that two movable blocks are on the back mutually.
Further, one end of the first buffer spring is fixedly connected with the bottom of the cabinet body, the other end of the first buffer spring is fixedly connected with the inner bottom wall of the base, a sliding groove is formed in the inner bottom wall of the base, a sliding block is fixedly connected with the bottom of the movable block and is in sliding connection with the sliding groove, and one end of the damper is fixedly connected with the bottom of the cabinet body.
(III) beneficial effects
Compared with the prior art, the invention provides the VOCs on-line monitoring system, which has the following beneficial effects:
1. according to the VOCs on-line monitoring system, the placing component is arranged, so that after the VOCs monitoring machine finishes detecting waste gas, the sampling probe is placed in the placing bin, and the two limiting plates are used for limiting the clamping of the sampling probe, so that the sampling probe is kept stable, the sampling probe is protected, and the situation that the sampling probe is damaged due to collision or external environment is reduced;
in addition, the rubber protection pad can carry out semi-wrapped elastic protection on the sampling probe, meanwhile, the rubber protection pad has certain sealing property, the rubber protection pad is tightly attached to the sampling probe, and the sampling probe is substantially airtight, so that the sampling probe can be isolated from air, and the sampling precision and sensitivity of the rubber protection pad are ensured;
the limiting plate clamps and limits the sampling probe, so that the sampling probe is prevented from being damaged by collision, the rubber protection pad is tightly attached to the sampling probe all the time, the reliability of isolating air from the sampling probe is improved, namely, the limiting plate and the rubber pad construct an integrated structure for protecting the sampling probe, and compared with a protection mode of directly placing the sampling probe in a closed box for fixing, the integrated structure has obvious technical advantages;
specifically, the sampling probe is pressed down, so that the head of the sampling probe (the head is a sampling part) is tightly abutted against the rubber protection pad, the limiting plates are mutually close to move and clamp and fix the sampling probe, the upward movement of the sampling probe under the influence of elastic reaction force of the rubber protection pad can be avoided under the action of friction force of the limiting plates, namely the limiting plates can maintain the tight abutting joint of the sampling probe and the rubber protection pad all the time, and the air isolation is realized.
2. This VOCs on-line monitoring system through setting up buffer unit, can cushion the shock attenuation to placing the VOCs monitor in the cabinet body, reduces the influence that leads to the fact the VOCs monitor when receiving jolt at the cabinet body removal in-process, protects the VOCs monitor, improves the life of VOCs monitor.
3. This VOCs on-line monitoring system through setting up dustproof subassembly, dispels the heat through the ventilation pipe in VOCs monitor use, and the dust screen can block external dust, simultaneously, drives the cleaning brush through the starter motor and removes the dust of cleaning the dust screen, reduces the condition that influences the radiating effect because of dust jam dust screen.
In conclusion, the VOCs on-line monitoring system disclosed by the invention integrates the protection of the sampling probe, the buffering and damping of the monitoring machine and the dust prevention of the monitoring machine, and can greatly improve the stability and reliability of the on-line monitoring of the VOCs.
Drawings
FIG. 1 is a schematic diagram of an on-line VOCs monitoring system according to the present invention;
FIG. 2 is an enlarged view of the structure of the VOCs on-line monitoring system shown in FIG. 1 at A;
fig. 3 is a top view of a connection structure between a gear and a toothed plate of the VOCs on-line monitoring system provided by the invention.
In the figure: 1 cabinet body, 2 VOCs monitor, 3 ventilation pipe, 4 place storehouse, 5 sampling probe, 6 dust screen, 7 motor, 8 reciprocating screw, 9 cleaning brush, 10 base, 11 weather shield, 12 attenuator, 13 first buffer spring, 14 movable block, 15 bracing piece, 16 second buffer spring, 17 dwang, 18 place the piece, 19 slide bar, 20 reset spring, 21 fly leaf, 22 limiting plate, 23 pinion rack, 24 gear, 25 gag lever post.
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, the on-line monitoring system for the VOCs comprises a cabinet body 1, a sampling probe 5 and a base 10, wherein a GPRS communication module is fixedly arranged at the inner top of the cabinet body 1, concentration information of the VOCs is wirelessly transmitted to a terminal of an environmental protection department through the GPRS communication module, supervision of the environmental protection department is facilitated, the VOCs monitoring machine 2 is placed in the cabinet body 1, the VOCs monitoring machine 2 and the sampling probe 5 are connected through a data line, after the VOCs monitoring machine 2 moves to a corresponding position, sampling of the VOCs can be performed through the sampling probe 5, a ventilation pipe 3 is fixedly connected to the left side of the cabinet body 1, communication between the interior of the cabinet body 1 and the outside is realized through the ventilation pipe 3, heat dissipation of the VOCs monitoring machine 2 is facilitated, a placement bin 4 is fixedly connected to the right side of the cabinet body 1, a buffer component is arranged in the base 10, a placement component is arranged in the placement bin 4, and a dust-proof component is arranged in the ventilation pipe 3.
The placing component comprises a placing block 18 fixedly connected with the inner bottom wall of the placing bin 4, the top of the placing block 18 is fixedly connected with a rubber protection pad which is matched with the appearance of the sampling probe 5, the sampling probe 5 can be protected, meanwhile, the rubber protection pad has certain tightness, the rubber protection pad is tightly attached to the sampling probe 5, the sampling probe 5 is virtually airtight, the sampling probe 5 can be isolated from air, the sampling precision and the sensitivity of the rubber protection pad are ensured, the bottom of the placing bin 4 is rotationally connected with a rotating rod 17, one end of the rotating rod 17 penetrates and extends into the placing bin 4, the outer side of the rotating rod 17 is fixedly connected with a gear 24, the inside fixedly connected with slide bar 19 of placing storehouse 4, slide bar 19's outside sliding connection has a quantity to be two fly leaf 21, the inside of fly leaf 21 has seted up the slip through-hole with slide bar 19 size looks adaptation, the equal fixedly connected with limiting plate 22 of one side that two fly leaf 21 are relative, limiting plate 22 is the arc, the equal fixedly connected with pinion rack 23 of one side that two fly leaf 21 are relative, pinion rack 23 and gear 24 intermesh, gear 24 is located between two pinion racks 23, reset spring 20 that is two in quantity has been cup jointed in the outside of slide bar 19, the one end of two reset springs 20 respectively with place the left and right sides inner wall fixed connection of storehouse 4, one end of two reset springs 20 respectively with one side fixed connection that two fly leaf 21 are opposite.
It should be noted that, through setting up and placing the subassembly, can be after VOCs monitor 2 is accomplished waste gas detection, place sampling probe 5 in placing storehouse 4, it is spacing to carry out the centre gripping to sampling probe 5 by two limiting plates 22, makes sampling probe 5 keep stable, protects sampling probe 5, reduces the circumstances that leads to sampling probe 5 to appear damaging because of receiving collision or external environment influence, facilitates the use of user.
Referring to fig. 1, the dustproof assembly comprises a dustproof net 6 fixedly connected with the inside of a ventilation pipe 3, the dustproof net 6 can block external dust, the dust is prevented from entering the cabinet body 1 to affect the operation of the VOCs monitoring machine 2, a motor 7 is fixedly arranged at the top of the ventilation pipe 3, an output shaft of the motor 7 is fixedly connected with a reciprocating screw rod 8, a cleaning brush 9 is in threaded connection with the outer side of the reciprocating screw rod 8, a threaded through hole in threaded connection with the reciprocating screw rod 8 is formed in the cleaning brush 9, a limit rod 25 is fixedly connected with the inside of the ventilation pipe 3, a limit through hole matched with the limit rod 25 in size is formed in the cleaning brush 9, a rain baffle 11 is fixedly connected with the inner bottom wall of the ventilation pipe 3, and the rain baffle 11 is obliquely arranged, so that the condition that the rainwater enters the inside of the cabinet body 1 through the ventilation pipe 3 can be reduced.
It should be noted that, through setting up buffer unit, can cushion the shock attenuation to placing the VOCs monitor 2 in the cabinet body 1, reduce the influence that leads to the fact VOCs monitor 2 when receiving jolt at cabinet body 1 removal in-process, protect VOCs monitor 2, improve the life of VOCs monitor 2.
Referring to fig. 1, the buffer assembly includes two dampers 12 fixedly connected to the inner bottom of the base 10, a first buffer spring 13 is sleeved on the outer side of the dampers 12, two movable blocks 14 are slidably connected to the inner bottom of the base 10, one end of the first buffer spring 13 is fixedly connected to the bottom of the cabinet body 1, the other end of the first buffer spring 13 is fixedly connected to the inner bottom of the base 10, a sliding groove is formed in the inner bottom of the base 10, a sliding block is fixedly connected to the bottom of the movable block 14 and is slidably connected to the sliding groove, one end of the damper 12 is fixedly connected to the bottom of the cabinet body 1, second buffer springs 16 are fixedly connected to the inner walls of the left and right sides of the base 10, the other ends of the two second buffer springs 16 are fixedly connected to opposite sides of the two movable blocks 14, two support rods 15 are hinged to the bottom of the cabinet body 1, and one end of each support rod 15 is hinged to the front face of the movable block 14.
It should be noted that, through setting up dustproof subassembly, dispel the heat through ventilation pipe 3 in VOCs monitor 2 use, dust screen 6 can block external dust, simultaneously, drives cleaning brush 9 through starter motor 7 and removes the dust on dust screen 6 and clear up, reduces the circumstances that influences the radiating effect because of dust jam dust screen 6.
The working principle of the embodiment is as follows:
this VOCs on-line monitoring system, when monitoring enterprise's waste gas through VOCs monitor 2, remove cabinet 1 to corresponding position, cooperate with first buffer spring 13 through the attenuator 12 that sets up, buffer shock attenuation is carried out to the inside VOCs monitor 2 of cabinet 1, simultaneously, when cabinet 1 moves down, bracing piece 15 is along with moving, the one end of bracing piece 15 promotes movable block 14 and slides on the spout through the slider, make two movable blocks 14 remove to opposite side, extrude second buffer spring 16, make second buffer spring 16 take place deformation, further improve the effect to VOCs monitor 2 buffer shock attenuation, protect VOCs monitor 2, reduce the influence to VOCs monitor 2 because of jolting in the moving process of cabinet 1, after VOCs monitor 2 moves to corresponding position, can carry out the sampling of VOCs through sampling probe 5, after the use, the sampling probe 5 is placed in the placing bin 4, the bottom end of the sampling probe 5 is placed on the placing block 18, the gear 24 is driven to rotate by rotating the rotating rod 17, the toothed plate 23 meshed with the gear 24 slides on the outer side of the sliding rod 19 through the movable plate 21, the movable plate 21 moves along with the movement, the two limiting plates 22 move to the opposite sides, the reset spring 20 is extruded, then the sampling probe 5 is placed between the two limiting plates 22, the rotating rod 17 is loosened, the limiting plates 22 are driven to move to the side close to the sampling probe 5 by the tension of the reset spring 20, the sampling probe 5 is clamped and fixed, the sampling probe 5 is kept stable, in addition, in the use process of the VOCs monitoring machine 2, the through inside and external intercommunication that sets up ventilation pipe 3 realization cabinet body 1, the heat dissipation of be convenient for VOCs monitor 2, dust screen 6 can block external dust, prevent the dust to get into the work of the internal 2 to VOCs monitor of cabinet, through starter motor 7, motor 7's output shaft drives reciprocating screw rod 8 rotation, it is spacing to cleaning brush 9 by base 10, drive cleaning brush 9 reciprocates, clear up the dust that adheres to on the dust screen 6 through cleaning brush 9, reduce because of dust jam dust screen 6 influences the radiating condition of VOCs monitor 2, facilitate the use person's use.
It should be additionally noted that, the specific on-line data acquisition, transmission and processing of the VOCs on-line monitoring system are not the core creation points of the invention and are not repeated; equivalent techniques to those disclosed in the prior art, such as those disclosed in the patent publication No. CN215263390U, CN210894247U, etc., can be employed without affecting the practice of the disclosed embodiments of the present invention by those skilled in the art
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, 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 (8)
- VOCs on-line monitoring system, including cabinet body (1), sampling probe (5) and base (10), its characterized in that: VOCs monitor (2) are placed in the cabinet body (1), a ventilation pipe (3) is fixedly connected to the left side of the cabinet body (1), a placement bin (4) is fixedly connected to the right side of the cabinet body (1), a buffer component is arranged on the base (10), a placement component is arranged on the placement bin (4), and a dustproof component is arranged on the ventilation pipe (3);the device comprises a placing component, a positioning component and a sampling probe, wherein the placing component comprises a placing block (18) fixedly connected with the inner bottom wall of a placing bin (4), the top of the placing block (18) is fixedly connected with a rubber protection pad, the rubber protection pad is matched with the appearance of the sampling probe (5), the bottom of the placing bin (4) is rotationally connected with a rotating rod (17), the outer side of the rotating rod (17) is fixedly connected with a gear (24), the inner side of the placing bin (4) is fixedly connected with a sliding rod (19), the outer side of the sliding rod (19) is slidably connected with two movable plates (21), one sides of the two movable plates (21) are fixedly connected with limiting plates (22), one sides of the two movable plates (21) are fixedly connected with toothed plates (23), and the outer sides of the sliding rod (19) are sleeved with two reset springs (20);the toothed plates (23) are intermeshed with a gear (24), the gear (24) being located between the two toothed plates (23).
- 2. The VOCs on-line monitoring system according to claim 1, wherein: the dustproof assembly comprises a dustproof net (6) fixedly connected with the inside of the ventilation pipe (3), a motor (7) is fixedly arranged at the top of the ventilation pipe (3), a reciprocating screw rod (8) is fixedly connected with an output shaft of the motor (7), a cleaning brush (9) is connected with the outer side of the reciprocating screw rod (8) in a threaded mode, a limiting rod (25) is fixedly connected with the inside of the ventilation pipe (3), and a rain shielding plate (11) is fixedly connected with the inner bottom wall of the ventilation pipe (3).
- 3. The VOCs on-line monitoring system according to claim 2, wherein: the buffer assembly comprises two dampers (12) fixedly connected with the inner bottom of the base (10), a first buffer spring (13) is sleeved on the outer side of the damper (12), two movable blocks (14) are slidably connected with the inner bottom wall of the base (10), second buffer springs (16) are fixedly connected with the inner walls of the left side and the right side of the base (10), and two supporting rods (15) are hinged to the bottom of the cabinet body (1).
- 4. The VOCs on-line monitoring system according to claim 1, wherein: the inside of fly leaf (21) is offered and is had the slip through-hole with slide bar (19) size looks adaptation, dwang (17) one end runs through and extends to the inside of placing storehouse (4).
- 5. The VOCs on-line monitoring system according to claim 1, wherein: one end of each of the two reset springs (20) is fixedly connected with the inner walls of the left side and the right side of the placing bin (4), and one end of each of the two reset springs (20) is fixedly connected with one side of each of the two movable plates (21) opposite to the other side.
- 6. The VOCs on-line monitoring system according to claim 2, wherein: the limiting plate (22) is an arc-shaped plate, and a threaded through hole in threaded connection with the reciprocating screw rod (8) is formed in the cleaning brush (9).
- 7. The VOCs on-line monitoring system of claim 3, wherein: the inside of cleaning brush (9) is offered and is had the spacing through-hole with gag lever post (25) size looks adaptation, weather shield (11) are the slope setting, the one end of bracing piece (15) is articulated with the front of movable block (14), two the other end of second buffer spring (16) respectively with one side fixed connection that two movable blocks (14) are on the back mutually.
- 8. The VOCs on-line monitoring system of claim 3, wherein: one end of the first buffer spring (13) is fixedly connected with the bottom of the cabinet body (1), the other end of the first buffer spring (13) is fixedly connected with the inner bottom wall of the base (10), a sliding groove is formed in the inner bottom wall of the base (10), a sliding block which is in sliding connection with the sliding groove is fixedly connected with the bottom of the movable block (14), and one end of the damper (12) is fixedly connected with the bottom of the cabinet body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311351585.7A CN117074629A (en) | 2023-10-18 | 2023-10-18 | VOCs on-line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311351585.7A CN117074629A (en) | 2023-10-18 | 2023-10-18 | VOCs on-line monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117074629A true CN117074629A (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311351585.7A Pending CN117074629A (en) | 2023-10-18 | 2023-10-18 | VOCs on-line monitoring system |
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| Country | Link |
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| CN (1) | CN117074629A (en) |
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