CN114942309A - Total volatile organic compound TVOC (transient voltage on-site) rapid detection system - Google Patents
Total volatile organic compound TVOC (transient voltage on-site) rapid detection system Download PDFInfo
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- 238000001514 detection method Methods 0.000 title claims abstract description 92
- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 19
- 230000001052 transient effect Effects 0.000 title description 2
- 238000005070 sampling Methods 0.000 claims abstract description 54
- 239000000523 sample Substances 0.000 claims abstract description 25
- 238000000746 purification Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 23
- 230000009471 action Effects 0.000 claims description 16
- 238000004887 air purification Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
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- 238000000429 assembly Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 206010007269 Carcinogenicity Diseases 0.000 description 1
- 230000009692 acute damage Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000007670 carcinogenicity Effects 0.000 description 1
- 231100000260 carcinogenicity Toxicity 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 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
- G01N33/0011—Sample conditioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
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- G01N1/24—Suction devices
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- 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
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- 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
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Abstract
Total Volatile Organic Compounds (TVOC) on-site rapid detection system belongs to the technical field of TVOC detection, indoor gas enters a clean air blower for purification, at the moment, a second TVOC sensor digital display screen displays the TVOC content of the air, when the clean air blower does not work, outside air is sucked into a sampling cavity through a second air inlet for certain gas pressurization, at the moment, a first TVOC sensor digital display screen detects the air in the sampling cavity through a detection probe, a double detection structure is arranged, when the detected TVOC data exceeds the standard, the sampling pipe can extract the air in the sampling cavity for sample retention, and the gas after sample retention can be sent to a laboratory for more accurate detection; the TVOC detection device and the TVOC detection method achieve the effect that the TVOC detection device is convenient to be combined with other devices.
Description
Technical Field
The invention relates to the technical field of TVOC detection, in particular to a TVOC on-site rapid detection system for total volatile organic compounds.
Background
The TVOC is one of three kinds of pollution which have serious influence on indoor air quality. The TVOC is an organic substance with saturated vapor pressure exceeding 133.32Pa at room temperature, the boiling point of the organic substance is 50-250 ℃, the organic substance can exist in air in a form of evaporating at room temperature, and the TVOC has toxicity, irritation, carcinogenicity and special smell, can affect skin and mucous membrane, and generates acute damage to human body, so that the indoor TVOC concentration is required to be detected frequently.
Traditional TVOC detection device is not convenient for combine with other devices, lead to traditional TVOC detection device after having detected TVOC concentration, be not convenient for carry out the use of other functions, traditional TVOC detection device is when taking a sample or detecting the gas of extraction, be not convenient for build sealed environment, lead to the gaseous easy leakage of extraction, thereby influence the data that detect, and traditional TVOC detection device is not convenient for utilize linkage structure to drive, come the drive of making things convenient for the device.
In order to solve the problems, a Total Volatile Organic Compound (TVOC) field rapid detection system is provided.
Disclosure of Invention
The invention aims to provide a TVOC (total volatile organic compound) on-site rapid detection system, which solves the problems that the conventional TVOC detection device in the background art is inconvenient to combine with other devices, so that the conventional TVOC detection device is inconvenient to use with other functions after the TVOC concentration is detected, the conventional TVOC detection device is inconvenient to create a sealed environment when sampling or detecting the extracted gas, so that the extracted gas is easy to leak, and the detection data is influenced, and the conventional TVOC detection device is inconvenient to drive by using a linkage structure, so that the driving of the device is convenient.
In order to achieve the purpose, the invention provides the following technical scheme: the total volatile organic compound TVOC field rapid detection system comprises a detection method, wherein the detection method comprises the following steps:
s100: the clean wind detection is carried out, indoor gas enters the clean wind machine for purification, and a second TVOC sensor digital display screen displays the TVOC content in the air;
s200: performing timing detection, wherein the detection box staggers the working time of the clean air blower, and absorbs air to enter the sampling cavity to be detected by a digital display screen of a first TVOC sensor;
s300: sample remaining detection, namely displaying a numerical value on a digital display screen of a first TVOC sensor when the detection exceeds the standard, and sucking the gas in the sampling cavity by an atmospheric sampler of the atmospheric sampler for sample remaining and detecting;
s400: the air purification, the gas in the sampling cavity enters the inside of the air purification machine, and the air purification machine starts the air purification function;
the device comprises a clean air blower and a base arranged at the lower end of the clean air blower, wherein a detection box is arranged on one side of the clean air blower, a first air inlet is formed in one side of the clean air blower, a clean air box is arranged on one side of the clean air blower, an air outlet is formed in the upper end of the clean air box, threaded grooves are formed in the side surface of the clean air box, four groups of the threaded grooves are formed in each threaded groove, and a telescopic connecting pipe is arranged on one side of the clean air blower;
the inside first net wind chamber that is provided with of clean fan, first net wind chamber is including setting up first filter screen, second filter screen and the third filter screen in its inside, and the net wind incasement portion has seted up the second and has cleaned the wind chamber and set up the first fan of inhaling in second net wind chamber one side, and second net wind chamber and first net wind chamber are the component of the same structure preparation, and telescopic connection pipe one end position is in the interval department of first filter screen and first net wind intracavity wall.
Furthermore, the detection box comprises threaded nails penetrating through two sides of the detection box and a telescopic pipe arranged on one side of the detection box, the telescopic pipe is in threaded connection with a telescopic connecting pipe, a second air inlet is formed in the upper end of the interior of the detection box, an embedded groove is formed in the lower end of the interior of the detection box, a clamping cylinder is arranged on one side of the embedded groove, a detection probe is further arranged in the detection box, and a first ball valve is arranged in the telescopic pipe.
Further, the atmosphere sample thief is including seting up in the inside arc centre gripping groove in atmosphere sample thief upper end and seting up in the cooperation groove of arc centre gripping groove one side, and cooperation groove and arc centre gripping groove communicate mutually, and the inside gomphosis of arc centre gripping inslot portion is provided with the sampling pipe, and cooperation inslot portion is provided with coupling hose, and coupling hose one end is connected with the atmosphere sample thief, and the other end is connected with the sampling pipe.
Furthermore, the clamping cylinder comprises an arc-shaped groove and a clamping assembly, the arc-shaped groove is formed in the clamping cylinder, the clamping assembly is embedded in the arc-shaped groove, a driving motor and an inflating assembly are arranged inside the clamping cylinder, the inflating assembly is arranged on one side of the driving motor, a first linkage assembly and a second linkage assembly are arranged on two sides of the clamping assembly, the inflating assembly, the first linkage assembly and the second linkage assembly are arranged inside the clamping cylinder, the first linkage assembly and the second linkage assembly are members made of the same structure, and an elastic gas transmission pipe is arranged at the upper end of the clamping assembly.
Furthermore, the driving motor is connected with a first driving wheel through a shaft, the first driving wheel is connected with a second driving wheel through a shaft, the second driving wheel is connected with a third driving wheel through a shaft, a fourth driving wheel is arranged on one side of the first driving wheel in a meshed mode, a fifth driving wheel is arranged on one side of the second driving wheel in a meshed mode, a connecting transmission pipe is arranged on one side of the elastic gas transmission pipe, a second ball valve is arranged inside the connecting transmission pipe, a linkage shaft is arranged at the upper end of the second ball valve, and the linkage shaft is connected with the center of the fifth driving wheel.
Further, the inflation assembly comprises a sixth driving wheel and a fixing block arranged on one side of the sixth driving wheel, the fixing block is fixedly arranged inside the clamping cylinder, the sixth driving wheel is connected with the fourth driving wheel through a shaft, a connecting shaft is movably arranged on one side of the fixing block, a penetrating strip is arranged on one side of the connecting shaft, the sixth driving wheel penetrates through the fixing block through the shaft and is connected with one end of the connecting shaft, the other end of the connecting shaft is movably embedded inside the penetrating strip, one side of the penetrating strip is provided with a reciprocating strip, an inflation outer cylinder is arranged on one side of the reciprocating strip, an inflation inner cylinder is arranged on one side of the inflation outer cylinder, the inflation inner cylinder is embedded inside the inflation outer cylinder, one end of the inflation inner cylinder is provided with a communicating pipe, and the communicating pipe is communicated with a connecting and transmitting pipe.
Furthermore, first linkage subassembly is followed the driving wheel including the meshing at the first follow driving wheel of third action wheel one side and is followed the driving wheel through the second of hub connection in first follow driving wheel one side, and the second is followed the driving wheel one side meshing and is provided with the third and follows the driving wheel, and the third is followed the driving wheel through the hub connection and is had the fourth from the driving wheel, and the fourth is followed the driving wheel one side meshing and is provided with the fifth from the driving wheel, and the fifth is followed the driving wheel through the hub connection and is followed the driving wheel with the sixth.
Furthermore, the clamping assembly comprises a first semicircular clamping block and a second semicircular clamping block, the first semicircular clamping block and the second semicircular clamping block are both embedded in the arc-shaped groove, the first semicircular clamping block and the second semicircular clamping block are members made of the same structure and are oppositely arranged, the first semicircular clamping block comprises two groups of fixed guide posts and threaded posts, the fixed guide posts are arranged in the first semicircular clamping block, the two groups of fixed guide posts are connected with the inner wall of the arc-shaped groove, the threaded posts are positioned at the spacing positions of the two groups of fixed guide posts, one end of each threaded post is provided with a rotating wheel, the rotating wheel is meshed with a sixth driven wheel, the thickness of the rotating wheel is larger than that of the sixth driven wheel, the inner wall of the first semicircular clamping block is provided with an inner wall air bag, the side surfaces of the first semicircular clamping block and the second semicircular clamping block are provided with air bag assemblies, each air bag assembly comprises a first air bag ring and a first connecting ring arranged on the outer side of the first air bag ring, the outer side of the first air bag ring is provided with a second air bag ring, the first air bag ring is communicated with the second air bag ring through the first connecting ring, the outer side of the second air bag ring is provided with a second connecting ring, the outer side of the second connecting ring is provided with a third air bag ring, the second air bag ring is communicated with the third air bag ring through the second connecting ring, the diameter of the third air bag ring is larger than that of the second air bag ring, the diameter of the second air bag ring is larger than that of the first air bag ring, and the end part of the elastic gas transmission pipe is communicated with the inner wall air bag and the first air bag ring.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the total volatile organic compound TVOC on-site rapid detection system provided by the invention, indoor gas enters a clean air blower and is purified by a first clean air cavity and a second clean air cavity, at the moment, a second TVOC sensor digital display screen displays the TVOC content of the air, when the clean air blower does not work, outside air is sucked into a sampling cavity through a second air inlet to be pressurized to a certain extent, at the moment, the first TVOC sensor digital display screen detects the air in the sampling cavity through a detection probe, a double detection structure is arranged, when the detected TVOC data exceeds the standard, an atmosphere sampler is embedded in an embedding groove, the sampling pipe can extract the air in the sampling cavity for sample retention, the gas after sample retention can be sent to a laboratory for more accurate detection, and when the data exceeds the standard, a first ball valve is in an open state, the air that flexible pipe will sample the intracavity portion transmits first clean wind chamber one side, and clean fan is driven to carry out the net wind effect this moment, and when the TVOC data exceeds standard, indoor air is purified as far as possible.
2. When the air sampler is embedded in the embedding groove, one end of the sampling tube penetrates through the clamping cylinder and is positioned in the sampling cavity, the rotating wheel is driven to rotate by the driving motor, the first semicircular clamping block and the second semicircular clamping block are arranged in the clamping cylinder through a plurality of groups of first semicircular clamping blocks, namely, the rotation of the two groups of rotating wheels drives the space between the first semicircular clamping block and the second semicircular clamping block to be reduced, so that the sampling tube is clamped, the sixth driving wheel drives the connecting shaft to rotate while the rotating wheel rotates, so that the penetrating strip and the reciprocating strip move in a reciprocating manner, namely, the inflating outer cylinder moves in a reciprocating manner to inflate the inside of the communicating tube through the inflating inner cylinder, the gas enters the inner wall airbag and the airbag assembly, and the inner wall airbag and the airbag assembly slowly expand, gas can get into first gasbag ring earlier inside, make its inflation, it is inside to get into second gasbag ring through the less first go-between of passing through volume afterwards, make its inflation, it is inside to get into third gasbag ring through the less second go-between of passing through volume at last, avoid the inflation of gasbag subassembly to influence the removal of first semicircle grip block and second semicircle grip block, through the sealing of gasbag subassembly and inner wall gasbag, make the sampling chamber be sealing connection with the inside sampling pipe of a clamping cylinder, the sampling of the sampling pipe of being convenient for, the sampling chamber is sealed environment this moment, gas through the extraction of second air intake can be at the inside pressurization of sampling chamber, the detection of the first TVOC sensor digital display screen of being convenient for, and the transmission capacity of flexible pipe can not reduced, thereby increase net wind efficiency of air cleaner.
3. The TVOC on-site rapid detection system for total volatile organic compounds provided by the invention can enable the first driving wheel, the second driving wheel and the third driving wheel to rotate when the driving motor is driven, namely, the first driven wheel, the second driven wheel, the third driven wheel, the fourth driven wheel, the fifth driven wheel and the sixth driven wheel are driven to rotate, when the sixth driven wheel rotates, the rotating wheel can be driven to rotate, as the second linkage component and the first linkage component are components made of the same structure and are oppositely arranged, namely, under the linkage of the first linkage component and the second linkage component, the first semicircular clamping block and the second semicircular clamping block can move on the same axis, so that the sampling tube can be clamped conveniently, and as the first driving wheel and the fourth driving wheel are meshed, the first driving wheel can drive the fourth driving wheel and the sixth driving wheel to rotate, namely, gas enters the elastic gas transmission tube through the inflating component, thereby make inner wall gasbag and gasbag subassembly inflation, when first semicircle grip block and second semicircle grip block interval reduce, the rotation of fifth action wheel can make universal driving shaft and second ball valve rotatory, the second ball valve is the off-state this moment, can plug up and connect transmission pipe one end, make gas no longer leak, inner wall gasbag and gasbag subassembly inflatable expansion, when first semicircle grip block and second semicircle grip block interval increase, the inflation subassembly is inflated as usual, but the rotation of fifth action wheel this moment can make the second ball valve be the open mode, gas can be through connecting transmission pipe one end and leaking, inner wall gasbag and gasbag subassembly can not expand promptly, be convenient for inside first semicircle grip block and the second semicircle grip block removed the grip block, linkage structure has been set up, the operation of the structure of being convenient for.
Drawings
FIG. 1 is a schematic view of the process of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic perspective view of a wind turbine according to the present invention;
FIG. 4 is a schematic plan view of the fan of the present invention;
FIG. 5 is a perspective view of the inspection box of the present invention;
FIG. 6 is a schematic diagram of an air sampler according to the present invention;
FIG. 7 is a schematic plan view of the inspection box of the present invention;
FIG. 8 is a schematic view of a clamping cylinder according to the present invention;
FIG. 9 is a schematic view of the inflation assembly, first linkage assembly and second linkage assembly of the present invention;
FIG. 10 is an enlarged view of the structure at A in FIG. 9 according to the present invention;
FIG. 11 is a schematic view of the construction of the inflation assembly of the present invention;
FIG. 12 is a schematic view of a clamping assembly of the present invention;
FIG. 13 is a schematic view of an airbag module of the present invention.
In the figure: 1. a clean air blower; 11. a first air inlet; 12. a second TVOC sensor digital display screen; 13. a clean air box; 131. a first air purifying cavity; 1311. a first filter screen; 1312. a second filter screen; 1313. a third filter screen; 132. a second air purifying cavity; 133. a first suction fan; 14. an air outlet; 15. a thread groove; 16. a telescopic connecting pipe; 2. a base; 3. a detection box; 31. a fitting groove; 32. an atmospheric sampler; 321. an arc-shaped clamping groove; 322. a sampling tube; 323. a mating groove; 324. a connecting hose; 33. a threaded nail; 34. a telescopic pipe; 341. a first ball valve; 35. a second air inlet; 36. a first TVOC sensor digital display screen; 37. a sampling cavity; 38. a clamping cylinder; 381. an arc-shaped slot; 382. a clamping assembly; 3821. a first semicircular clamping block; 38211. fixing the guide post; 38212. a rotating wheel; 38213. a threaded post; 38214. an inner wall air bag; 3822. a second semicircular clamping block; 3823. an airbag module; 38231. a first balloon ring; 38232. a first connecting ring; 38233. a second balloon ring; 38234. a second connection ring; 38235. a third balloon ring; 383. a drive motor; 3831. a first drive wheel; 3832. a second drive wheel; 3833. a third driving wheel; 3834. a fourth driving wheel; 3835. a fifth driving wheel; 384. an inflation assembly; 3841. an inflating outer cylinder; 3842. an inflating inner cylinder; 3843. a communicating pipe; 3844. a sixth driving wheel; 3845. a fixed block; 3846. a connecting shaft; 3847. a through-penetration strip; 3848. a reciprocating bar; 385. a first linkage assembly; 3851. a first driven wheel; 3852. a second driven wheel; 3853. a third driven wheel; 3854. a fourth driven wheel; 3855. a fifth driven wheel; 3856. a sixth driven wheel; 386. a second linkage assembly; 387. an elastic gas delivery tube; 3871. connecting a transmission pipe; 3872. a second ball valve; 3873. a linkage shaft; 39. and (6) detecting the probe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the technical problem that the conventional TVOC detecting device is not convenient to be combined with other devices, which results in that the conventional TVOC detecting device is not convenient to use other functions after detecting the TVOC concentration, as shown in fig. 1 to 7, the following preferred technical solutions are provided:
the TVOC on-site rapid detection system for total volatile organic compounds comprises a clean air blower 1 and a base 2 arranged at the lower end of the clean air blower 1, wherein a detection box 3 is arranged at one side of the clean air blower 1, a first air inlet 11 and a second TVOC sensor digital display screen 12 are arranged at one side of the clean air blower 1, the second TVOC sensor digital display screen 12 is arranged right above the first air inlet 11, a clean air box 13 is arranged at one side of the clean air blower 1, an air outlet 14 is arranged at the upper end of the clean air box 13, a thread groove 15 is arranged at the side surface of the clean air box 13, four groups of thread grooves 15 are arranged, a telescopic connecting pipe 16 is arranged at one side of the clean air blower 1, a first clean air cavity 131 is arranged in the clean air blower 1, the first clean air cavity 131 comprises a first filter screen 1311, a second filter screen and a third filter screen 1313 which are arranged in the first clean air cavity 1312, a second clean air cavity 132 and a first suction fan 133 arranged at one side of the second clean air cavity 132 are arranged in the clean air cavity 13, the second clean air chamber 132 and the first clean air chamber 131 are members made of the same structure, and one end of the telescopic connection pipe 16 is located at a distance between the first filter screen 1311 and the inner wall of the first clean air chamber 131.
The detection box 3 comprises a screw 33 penetrating the two sides of the detection box 3 and an extension tube 34 arranged on one side of the detection box 3, the extension tube 34 is in threaded connection with the extension connection tube 16, the upper end of the inside of the detection box 3 is provided with a second air inlet 35, the lower end of the inside of the detection box 3 is provided with an embedded groove 31, one side of the embedded groove 31 is provided with a clamping cylinder 38, the inside of the detection box 3 is also provided with a detection probe 39, the inside of the extension tube 34 is provided with a first ball valve 341, the inside of the detection box 3 is provided with a sampling cavity 37, the extension tube 34 is communicated with the sampling cavity 37, one side of the detection box 3 is provided with a first TVOC sensor digital display 36, the detection probe 39 is arranged on one side of the first TVOC sensor digital display 36, one end of the detection probe 39 is arranged inside the sampling cavity 37, the inside of the embedded groove 31 is provided with an atmosphere sampler 32, the atmosphere sampler 32 comprises an arc-shaped clamping groove 321 arranged inside the upper end of the atmosphere sampler 32 and a matching groove 323 arranged on one side of the arc-shaped clamping groove 321, the matching groove 323 is communicated with the arc-shaped clamping groove 321, the sampling pipe 322 is embedded in the arc-shaped clamping groove 321, the connecting hose 324 is arranged in the matching groove 323, one end of the connecting hose 324 is connected with the atmosphere sampler 32, and the other end of the connecting hose is connected with the sampling pipe 322.
Specifically, indoor air enters the clean air blower 1 and is purified through the first clean air cavity 131 and the second clean air cavity 132, at the moment, the second TVOC sensor digital display screen 12 displays the TVOC content of the air, when the clean air blower 1 does not work, outside air is sucked into the sampling cavity 37 through the second air inlet 35 to be pressurized to a certain degree, at the moment, the first TVOC sensor digital display screen 36 detects the air in the sampling cavity 37 through the detection probe 39, a dual detection structure is arranged, when the detected TVOC data exceeds the standard, the air sampler 32 is embedded in the embedding groove 31, through the driving of the air sampler 32, the sampling pipe 322 can draw the air in the sampling cavity 37 to carry out sample retention, the gas after sample retention can be sent to a laboratory to carry out more accurate detection, when the data exceeds the standard, the first ball valve 341 is in an open state, the telescopic pipe 34 transmits the air in the sampling cavity 37 to one side of the first clean air cavity 131, at the moment, the air purifying fan 1 is driven to perform air purifying effect, and indoor air is purified as far as possible when TVOC data exceeds the standard.
In order to solve the technical problems that when the conventional TVOC detecting device samples or detects the extracted gas, it is inconvenient to create a sealed environment, which causes the extracted gas to easily leak, thereby affecting the detection data, as shown in fig. 8 to 12, the following preferred technical solutions are provided:
the clamping cylinder 38 comprises an arc-shaped groove 381 arranged in the clamping cylinder 38 and a clamping component 382 embedded in the arc-shaped groove 381, a driving motor 383 and an inflating component 384 arranged on one side of the driving motor 383 are further arranged in the clamping cylinder 38, a first linkage component 385 and a second linkage component 386 are arranged on two sides of the clamping component 382, the inflating component 384, the first linkage component 385 and the second linkage component 386 are arranged in the clamping cylinder 38, the first linkage component 385 and the second linkage component 386 are members made of the same structure, an elastic gas transmission pipe 387 is arranged at the upper end of the clamping component 382, the driving motor 383 is connected with a first driving wheel 3831 through a shaft, the first driving wheel 3831 is connected with a second driving wheel 3832 through a shaft, the second driving wheel 3832 is connected with a third driving wheel 3833 through a shaft, a fourth driving wheel 3834 is meshed with one side of the first driving wheel 3831, a fifth driving wheel 3835 is meshed with one side of the second driving wheel 3832, one side of the elastic gas transmission pipe 387 is provided with a connecting transmission pipe 3871, a second ball valve 3872 is arranged inside the connecting transmission pipe 3871, the upper end of the second ball valve 3872 is provided with a linkage shaft 3873, and the linkage shaft 3873 is connected with the center of a fifth driving wheel 3835.
The inflation assembly 384 comprises a sixth driving wheel 3844 and a fixed block 3845 arranged on one side of the sixth driving wheel 3844, the fixed block 3845 is fixedly arranged inside the clamping cylinder 38, the sixth driving wheel 3844 is connected with the fourth driving wheel 3834 through a shaft, a connecting shaft 3846 is movably arranged on one side of the fixed block 3845, a through bar 3847 is arranged on one side of the connecting shaft 3846, the sixth driving wheel 3844 is connected with one end of the connecting shaft 3846 through the shaft through the fixed block 3845, the other end of the connecting shaft 3846 is movably embedded inside the through bar 3847, a reciprocating bar 3848 is arranged on one side of the through bar 3847, an inflation outer cylinder 3841 is arranged on one side of the reciprocating bar 3848, an inflation inner cylinder 3842 is arranged on one side of the inflation outer cylinder 3841, the inflation inner cylinder 3842 is embedded inside the inflation outer cylinder 3841, a communicating pipe 3843 is arranged on one end of the inflation inner cylinder 3842, the communicating pipe 3843 is communicated with a connecting and transmitting pipe 3871, the clamping assembly 382 comprises a first semicircular clamping block 3821 and a second semicircular clamping block 3822, the first semicircular clamping block 3821 and the second semicircular clamping block 3822 are both embedded in the arc-shaped groove 381, the first semicircular clamping block 3821 and the second semicircular clamping block 3822 are members made of the same structure and are arranged oppositely, the first semicircular clamping block 3821 comprises two groups of fixing guide posts 38211 and threaded posts 38213 arranged in the first semicircular clamping block 3821, two groups of fixing guide posts 38211 are arranged, two groups of fixing guide posts 38211 are connected with the inner wall of the arc-shaped groove 381, the threaded posts 38213 are located at the spacing positions of the two groups of fixing guide posts 38211, one end of the threaded post 38213 is provided with a rotating wheel 38212, the rotating wheel 38212 is meshed with the sixth driven wheel 3856, the thickness of the rotating wheel 38212 is larger than that of the sixth driven wheel 3856, the inner wall of the first semicircular clamping block 3821 is provided with an inner wall air bag 38214, the side surfaces of the first semicircular clamping block 3821 and the second semicircular clamping block 3822 are both provided with air bag assemblies 3823, each air bag assembly 3823 comprises a first air bag ring 38231 and a first connecting ring 38232 arranged outside the first air bag ring 38231, a second airbag ring 38233 is arranged outside the first airbag ring 38231, the first airbag ring 38231 is communicated with the second airbag ring 38233 through a first connecting ring 38232, a second connecting ring 38234 is arranged outside the second airbag ring 38233, a third airbag ring 38235 is arranged outside the second connecting ring 38234, the second airbag ring 38233 is communicated with the third airbag ring 38235 through the second connecting ring 38234, the diameter of the third airbag ring 38235 is larger than that of the second airbag ring 38233, the diameter of the second airbag ring 38233 is larger than that of the first airbag ring 38231, and the end part of the elastic gas transmission tube 387 is communicated with the inner wall airbag 38214 and the first airbag ring 38231.
Specifically, when the air sampler 32 is embedded in the embedding groove 31, one end of the sampling tube 322 penetrates through the clamping cylinder 38 and is located inside the sampling cavity 37, at this time, the driving motor 383 is driven to rotate the rotating wheel 38212, because the first semicircular clamping block 3821 and the second semicircular clamping block 3822 are arranged inside the clamping cylinder 38 through multiple groups of first semicircular clamping blocks 3821, that is, the rotation of the two groups of rotating wheels 38212 drives the distance between the first semicircular clamping block 3821 and the second semicircular clamping block 3822 to be reduced, so as to clamp the sampling tube 322, while the rotating wheel 38212 rotates, the sixth driving wheel 3844 drives the connecting shaft 3846 to rotate, so that the penetrating strip 3847 and the reciprocating strip 3848 move in a reciprocating manner, that is, the inflating outer cylinder 3841 moves in a reciprocating manner to inflate the communicating tube 3843 through the inflating inner cylinder 3842, the gas enters the inner wall airbag 38214 and the airbag assembly 3823, and the inner wall airbag assembly 38214 and the airbag assembly 3823 expand slowly, the gas will enter the first air bag ring 38231 first to make it expand, then enter the second air bag ring 38233 through the first connecting ring 38232 with smaller amount of flow, make it expand, finally enter the third air bag ring 38235 through the second connecting ring 38234 with smaller amount of flow, avoid the expansion of the air bag module 3823 to influence the movement of the first semicircular clamping block 3821 and the second semicircular clamping block 3822, through the sealing of the air bag module 3823 and the inner wall air bag 38214, make the sampling cavity 37 and the sampling tube 322 inside the clamping cylinder 38 be in sealing connection, facilitate the sampling of the sampling tube 322, at this moment, the sampling cavity 37 is in sealing environment, the gas extracted through the second air inlet 35 will be pressurized inside the sampling cavity 37, facilitate the detection of the first TVOC sensor digital display screen 36, and the transmission quantity of the telescopic tube 34 will not be reduced, thereby increasing the net wind efficiency of the net blower 1.
In order to solve the technical problem that the conventional TVOC detecting device is inconvenient to drive by using a linkage structure, so as to facilitate the driving of the device, as shown in fig. 9 and 13, the following preferred technical solutions are provided:
the first linkage assembly 385 includes a first driven wheel 3851 engaged with one side of the third driving wheel 3833 and a second driven wheel 3852 connected to one side of the first driven wheel 3851 through a shaft, the second driven wheel 3852 is engaged with the third driven wheel 3853, the third driven wheel 3853 is connected to a fourth driven wheel 3854 through a shaft, the fourth driven wheel 3854 is engaged with a fifth driven wheel 3855, and the fifth driven wheel 3855 is connected to a sixth driven wheel 3856 through a shaft.
Specifically, when the driving motor 383 is driven, the first driving wheel 3831, the second driving wheel 3832 and the third driving wheel 3833 are driven to rotate, that is, the first driven wheel 3851, the second driven wheel 3852, the third driven wheel 3853, the fourth driven wheel 3854, the fifth driven wheel 3855 and the sixth driven wheel 3856 are driven to rotate, when the sixth driven wheel 3856 rotates, the rotating wheel 38212 is driven to rotate, because the second linkage component 386 and the first linkage component 385 are components made of the same structure, and are oppositely arranged, that under the linkage of the first linkage component 385 and the second linkage component 386, the first semicircular clamping block 3821 and the second semicircular clamping block 3822 can move on the same axis, so as to clamp the sampling tube 322, because the first driving wheel 3831 and the fourth driving wheel 3834 are engaged, the first driving wheel 3831 can drive the fourth driving wheel 3834 and the sixth driving wheel 3844 to rotate, that the gas enters the elastic gas transmission tube 387 through the inflating component 384, thereby inflating the inner wall bladder 38214 and bladder assembly 3823, as the first and second semicircular clamping blocks 3821 and 3822 decrease in separation, the rotation of the fifth driving wheel 3835 can make the linkage shaft 3873 and the second ball valve 3872 rotate, at this time, the second ball valve 3872 is in a closed state, and can block one end of the connection transmission pipe 3871, so that gas does not leak, the inner wall bladder 38214 and bladder assembly 3823 can inflate, as the distance between the first and second semicircular clamping blocks 3821, 3822 increases, the inflation assembly 384 inflates as usual, but at this point, rotation of the fifth drive wheel 3835 will cause the second ball valve 3872 to assume an open position, allowing gas to leak through the end of the connecting transfer tube 3871, that is, the inner wall air bag 38214 and the air bag module 3823 do not expand, so that the first semicircular clamping block 3821 and the second semicircular clamping block 3822 can move to the inside of the clamping cylinder 38, and a linkage structure is arranged, so that the operation of the structure is facilitated.
The invention provides the following technical scheme: the method for rapidly detecting the total volatile organic compounds TVOC on site comprises the following steps:
s100: the clean wind detection is carried out, indoor gas enters the clean wind machine 1 for purification, and the second TVOC sensor digital display screen 12 display the TVOC content in the air;
s200: detecting at regular time, wherein the detection box 3 staggers the working time of the clean air blower 1, and sucks air into the sampling cavity 37 to be detected by the first TVOC sensor digital display screen 36;
s300: sample remaining detection, namely, when the detection exceeds the standard, a digital display screen 36 of the first TVOC sensor displays a numerical value, and the atmospheric sampler 32 of the atmospheric sampler sucks gas in the sampling cavity 37 to carry out sample remaining detection;
s400: clean wind, the inside gas of sampling chamber 37 gets into inside the clean fan 1, and clean fan 1 opens the clean wind effect simultaneously.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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)
1. The total volatile organic compound TVOC on-site rapid detection system comprises a detection method, and is characterized in that the detection method comprises the following steps:
s100: the method comprises the steps of wind purification detection, wherein indoor gas enters a wind purification machine (1) for purification, and a second TVOC sensor digital display screen (12) displays the TVOC content in the air;
s200: the detection is carried out at regular time, the detection box (3) staggers the working time of the clean air blower (1), and air is sucked into the sampling cavity (37) and is detected by a first TVOC sensor digital display screen (36);
s300: sample reserving detection, wherein when the detection exceeds the standard, a first TVOC sensor digital display screen (36) displays numerical values, and an atmospheric sampler (32) sucks gas in a sampling cavity (37) to reserve samples and detect the samples again;
s400: air purification, wherein air in the sampling cavity (37) enters the air purification machine (1), and the air purification machine (1) starts the air purification function;
the device comprises a clean air blower (1) and a base (2) arranged at the lower end of the clean air blower (1), wherein a detection box (3) is arranged on one side of the clean air blower (1), a first air inlet (11) is formed in one side of the clean air blower (1), a clean air box (13) is arranged on one side of the clean air blower (1), an air outlet (14) is formed in the upper end of the clean air box (13), threaded grooves (15) are formed in the side surface of the clean air box (13), four groups of threaded grooves (15) are formed, and a telescopic connecting pipe (16) is arranged on one side of the clean air blower (1);
the inside first net wind chamber (131) that is provided with of clean wind machine (1), first net wind chamber (131) is including setting up first filter screen (1311) in its inside, second filter screen (1312) and third filter screen (1313), second net wind chamber (132) and first induced draft fan (133) of setting in second net wind chamber (132) one side have been seted up to clean wind case (13) inside, second net wind chamber (132) and first net wind chamber (131) are the component of same structure preparation, flexible connecting pipe (16) one end position is in the interval department of first filter screen (1311) and first net wind chamber (131) inner wall.
2. The Total Volatile Organic Compounds (TVOC) on-site rapid detection system according to claim 1, wherein: the detection box (3) comprises threaded nails (33) penetrating through two sides of the detection box (3) and a telescopic pipe (34) arranged on one side of the detection box (3), the telescopic pipe (34) is in threaded connection with a telescopic connecting pipe (16), a second air inlet (35) is formed in the upper end inside the detection box (3), an embedding groove (31) is formed in the lower end inside the detection box (3), a clamping cylinder (38) is arranged on one side of the embedding groove (31), a detection probe (39) is further arranged inside the detection box (3), and a first ball valve (341) is arranged inside the telescopic pipe (34).
3. The Total Volatile Organic Compounds (TVOC) on-site rapid detection system according to claim 1, wherein: the atmosphere sampler (32) comprises an arc-shaped clamping groove (321) and a matching groove (323), wherein the arc-shaped clamping groove (321) is formed in the upper end of the atmosphere sampler (32) and the matching groove (323) is formed in one side of the arc-shaped clamping groove (321), the matching groove (323) is communicated with the arc-shaped clamping groove (321), a sampling pipe (322) is embedded in the arc-shaped clamping groove (321), a connecting hose (324) is arranged in the matching groove (323), one end of the connecting hose (324) is connected with the atmosphere sampler (32), and the other end of the connecting hose is connected with the sampling pipe (322).
4. The Total Volatile Organic Compounds (TVOC) on-site rapid detection system according to claim 2, wherein: the clamping cylinder (38) comprises an arc-shaped groove (381) arranged in the clamping cylinder and a clamping assembly (382) embedded in the arc-shaped groove (381), a driving motor (383) and an inflating assembly (384) arranged on one side of the driving motor (383) are further arranged in the clamping cylinder (38), a first linkage assembly (385) and a second linkage assembly (386) are arranged on two sides of the clamping assembly (382), the inflating assembly (384), the first linkage assembly (385) and the second linkage assembly (386) are arranged in the clamping cylinder (38), the first linkage assembly (385) and the second linkage assembly (386) are members made of the same structure, and an elastic gas transmission pipe (387) is arranged at the upper end of the clamping assembly (382).
5. The Total Volatile Organic Compound (TVOC) field rapid detection system according to claim 4, wherein: driving motor (383) has first action wheel (3831) through the hub connection, first action wheel (3831) has second action wheel (3832) through the hub connection, second action wheel (3832) has third action wheel (3833) through the hub connection, first action wheel (3831) one side meshing is provided with fourth action wheel (3834), second action wheel (3832) one side meshing is provided with fifth action wheel (3835), elastic gas transmission pipe (387) one side is provided with connects transmission pipe (3871), it is provided with second ball valve (3872) to connect transmission pipe (3871) inside, second ball valve (3872) upper end is provided with universal driving shaft (3873), universal driving shaft (3873) are connected with fifth action wheel (3835) center department.
6. The Total Volatile Organic Compounds (TVOC) on-site rapid detection system according to claim 5, wherein: the inflation assembly (384) comprises a sixth driving wheel (3844) and a fixed block (3845) arranged on one side of the sixth driving wheel (3844), the fixed block (3845) is fixedly arranged inside the clamping barrel (38), the sixth driving wheel (3844) is connected with the fourth driving wheel (3834) through a shaft, one side of the fixed block (3845) is movably provided with a connecting shaft (3846), one side of the connecting shaft (3846) is provided with a through strip (3847), the sixth driving wheel (3844) penetrates through the fixed block (3845) through the shaft to be connected with one end of the connecting shaft (3846), the other end of the connecting shaft (3846) is movably embedded inside the through strip (3847), one side of the through strip (3847) is provided with a reciprocating strip (3848), one side of the reciprocating strip (3848) is provided with an inflation outer barrel (3841), one side of the inflation outer barrel (3841) is provided with an inflation inner barrel (3842), the inflation inner barrel (3842) is embedded inside the inflation outer barrel (3841), one end of the inflation inner barrel (3842) is provided with a communicating pipe (3843), the communicating pipe (3843) is communicated with the connecting transmission pipe (3871).
7. The Total Volatile Organic Compounds (TVOC) on-site rapid detection system according to claim 5, wherein: the first linkage assembly (385) comprises a first driven wheel (3851) meshed on one side of a third driving wheel (3833) and a second driven wheel (3852) connected to one side of the first driven wheel (3851) through a shaft, a third driven wheel (3853) is meshed on one side of the second driven wheel (3852), the third driven wheel (3853) is connected with a fourth driven wheel (3854) through a shaft, a fifth driven wheel (3855) is meshed on one side of the fourth driven wheel (3854), and the fifth driven wheel (3855) is connected with a sixth driven wheel (3856) through a shaft.
8. The Total Volatile Organic Compounds (TVOC) on-site rapid detection system according to claim 7, wherein: the clamping assembly (382) comprises a first semicircular clamping block (3821) and a second semicircular clamping block (3822), the first semicircular clamping block (3821) and the second semicircular clamping block (3822) are both embedded in the arc-shaped groove (381), the first semicircular clamping block (3821) and the second semicircular clamping block (3822) are components made of the same structure and are oppositely arranged, the first semicircular clamping block (3821) comprises a fixed guide pillar (38211) and a threaded pillar (38213) which are arranged in the first semicircular clamping block (3821), the fixed guide pillars (38211) are arranged in two groups, the two groups of fixed guide pillars (38211) are connected with the inner wall of the arc-shaped groove (381), the threaded pillars (38213) are arranged at the interval position of the two groups of fixed guide pillars (38211), one end of the threaded pillar (38213) is provided with a rotary wheel (38212), the rotary wheel (38212) is meshed with the sixth driven wheel (3856), and the thickness of the rotary wheel (38212) is greater than that of the rotary wheel (3856) of the sixth driven wheel (3856), an inner wall air bag (38214) is arranged on the inner wall of the first semicircular clamping block (3821), air bag assemblies (3823) are arranged on the side faces of the first semicircular clamping block (3821) and the second semicircular clamping block (3822), each air bag assembly (3823) comprises a first air bag ring (38231) and a first connecting ring (38232) arranged on the outer side of the first air bag ring (38231), a second air bag ring (38233) is arranged on the outer side of the first air bag ring (38231), the first air bag ring (38231) is communicated with the second air bag ring (38233) through the first connecting ring (38232), a second connecting ring (38234) is arranged on the outer side of the second air bag ring (38233), a third air bag ring (38235) is arranged on the outer side of the second connecting ring (38234), the second air bag ring (38233) is communicated with the third air bag ring (38235) through the second connecting ring (38234), the diameter of the third air bag ring (38235) is larger than that of the second air bag ring (38233), and the diameter of the second air bag ring (38233) is larger than that of the first air bag ring (38231), the end of the elastic gas delivery tube (387) is in communication with the inner wall bladder (38214) and the first bladder ring (38231).
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| CN202210723408.6A CN114942309A (en) | 2022-06-24 | 2022-06-24 | Total volatile organic compound TVOC (transient voltage on-site) rapid detection system |
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| CN202210723408.6A CN114942309A (en) | 2022-06-24 | 2022-06-24 | Total volatile organic compound TVOC (transient voltage on-site) rapid detection system |
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